/* ============================================================
   TruckLab — Main Stylesheet
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS Custom Properties
   ------------------------------------------------------------ */

:root {
    /* Colors */
    --color-accent:        #00A878;
    --color-accent-dim:    rgba(0, 168, 120, 0.12);
    --color-black:         #111111;
    --color-ink:           #111111;     /* Alias für --color-black, von Stellen-Karten & Form genutzt */
    --color-gray-dark:     #444444;
    --color-gray-mid:      #666666;
    --color-gray-light:    #999999;
    --color-gray-ultra:    #DEDEDE;
    --color-bg:            #FFFFFF;
    --color-bg-subtle:     #F7F8F6;

    /* Radien */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Typography */
    --font-sans:    'Inter', sans-serif;
    --font-mono:    'IBM Plex Mono', monospace;
    --text-xs:      0.75rem;
    --text-sm:      0.875rem;
    --text-base:    1rem;
    --text-lg:      1.125rem;
    --text-xl:      1.375rem;
    --text-2xl:     1.875rem;
    --text-3xl:     2.5rem;
    --text-hero:    clamp(3rem, 7vw, 6.5rem);
    --text-stat:    clamp(2.75rem, 5.5vw, 5.5rem);
    --text-stat-lg: clamp(2.75rem, 5.5vw, 5.5rem); /* harmonized — kein Sprung zwischen Items */

    /* Spacing */
    --space-xs:   0.5rem;
    --space-sm:   1rem;
    --space-md:   2rem;
    --space-lg:   4rem;
    --space-xl:   8rem;
    --space-2xl: 14rem;

    /* Layout */
    --container-max:   1280px;
    --container-pad:   clamp(1.5rem, 5vw, 5rem);

    /* Motion */
    --ease-out-quart: cubic-bezier(0.22, 1, 0.36, 1);
    --duration-fast:  200ms;
    --duration-base:  400ms;
    --duration-slow:  600ms;
}


/* ------------------------------------------------------------
   2. Reset
   ------------------------------------------------------------ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 300;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video {
    display: block;
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    background: none;
    border: none;
    font: inherit;
    color: inherit;
}

address {
    font-style: normal;
}

a {
    color: inherit;
    text-decoration: none;
}


/* ------------------------------------------------------------
   3. Layout Utilities
   ------------------------------------------------------------ */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

/* Wide container — used for full-bleed-ish elements that still have slight margin */
.container--wide {
    width: 100%;
    max-width: calc(var(--container-max) + 8rem);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}


/* ------------------------------------------------------------
   4. Typography Base
   ------------------------------------------------------------ */

h1, h2, h3, h4 {
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.entry-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-md);
}

.entry-content {
    max-width: 70ch;
    font-size: var(--text-lg);
    line-height: 1.7;
}

.entry-content p + p {
    margin-top: 1.25em;
}


/* ------------------------------------------------------------
   5. Common Components
   ------------------------------------------------------------ */

/* Section label — small-caps accent label */
.section-label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

/* Text links with animated underline */
.text-link {
    position: relative;
    display: inline-block;
    color: var(--color-black);
    font-weight: 400;
}

.text-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--duration-fast) var(--ease-out-quart);
}

.text-link:hover::after,
.text-link:focus-visible::after {
    transform: scaleX(1);
}

/* Section CTA — sits below a content list */
.section-cta {
    display: inline-block;
    margin-top: var(--space-lg);
    font-size: var(--text-sm);
    letter-spacing: 0.03em;
}

/* Placeholder notice — shown when no CPT content exists */
.placeholder-notice {
    color: var(--color-gray-light);
    font-style: italic;
    padding: var(--space-lg) 0;
}

.placeholder-notice code {
    font-family: monospace;
    background: var(--color-bg-subtle);
    padding: 0.1em 0.4em;
    border-radius: 3px;
}


/* ------------------------------------------------------------
   6. Animation System
   ------------------------------------------------------------ */

[data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity  var(--duration-slow) var(--ease-out-quart),
        transform var(--duration-slow) var(--ease-out-quart);
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

[data-animate-delay="1"] { transition-delay: 100ms; }
[data-animate-delay="2"] { transition-delay: 200ms; }
[data-animate-delay="3"] { transition-delay: 300ms; }
[data-animate-delay="4"] { transition-delay: 400ms; }

/* Respect user preference */
@media (prefers-reduced-motion: reduce) {
    [data-animate],
    [data-animate].is-visible {
        opacity: 1;
        transform: none;
        transition-duration: 0.01ms;
    }
}


/* ------------------------------------------------------------
   7. Site Header
   ------------------------------------------------------------ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: background-color var(--duration-base) ease, padding var(--duration-base) ease;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.75rem;
    padding-bottom: 1.75rem;
    transition: padding var(--duration-base) ease;
}

/* Scrolled state — added by JS */
.site-header.is-scrolled {
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-header.is-scrolled .site-header__inner {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.site-header__logo {
    display: flex;
    align-items: center;
}

.site-header__logo-text {
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* Theme-asset logo (fallback and footer) */
.site-header__logo-img {
    height: 28px;
    width: auto;
    display: block;
}

/* WordPress custom logo output */
.site-header__logo .custom-logo {
    height: 28px;
    width: auto;
    display: block;
}

/* Inverted logo variant — hidden by default, shown on dark backgrounds.
   Both <img> elements are rendered in header.php; CSS toggles which is visible.
   To activate: add class "has-dark-header" to <body> or <header>. */
.site-header__logo-img--inverted { display: none; }
.has-dark-header .site-header__logo-img--default,
.has-dark-header .site-header__logo .custom-logo { display: none; }
.has-dark-header .site-header__logo-img--inverted { display: block; }

.site-nav__list {
    display: flex;
    align-items: center;
    gap: clamp(1.5rem, 3vw, 3rem);
}

.site-nav__list a {
    font-size: var(--text-sm);
    font-weight: 300;
    color: var(--color-gray-dark);
    position: relative;
}

.site-nav__list a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    right: 50%;
    height: 1px;
    background-color: var(--color-black);
    transition: left var(--duration-fast) var(--ease-out-quart),
                right var(--duration-fast) var(--ease-out-quart);
}

.site-nav__list a:hover::after,
.site-nav__list a:focus-visible::after {
    left: 0;
    right: 0;
}

.site-nav__list .current-menu-item > a,
.site-nav__list .current_page_item > a {
    color: var(--color-black);
}


/* ------------------------------------------------------------
   8. Site Footer
   ------------------------------------------------------------ */

.site-footer {
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-gray-ultra);
    margin-top: var(--space-xl);
}

.site-footer__inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-lg);
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
}

.site-footer__brand {
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.site-footer__logo-link {
    display: inline-flex;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.site-footer__logo-link .custom-logo,
.site-footer__logo-img {
    height: 24px;
    width: auto;
    display: block;
}

.site-footer__address {
    font-size: var(--text-sm);
    font-weight: 300;
    color: var(--color-gray-mid);
    line-height: 1.8;
}

.site-footer__list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.site-footer__list a {
    font-size: var(--text-sm);
    font-weight: 300;
    color: var(--color-gray-mid);
    transition: color var(--duration-fast) ease;
}

.site-footer__list a:hover {
    color: var(--color-black);
}

.site-footer__cta {
    text-align: right;
}

.site-footer__cta p {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    margin-bottom: 0.5rem;
}

.site-footer__copyright {
    font-size: var(--text-xs);
    color: var(--color-gray-light);
    margin-top: var(--space-md);
    margin-bottom: 0;
}


/* ------------------------------------------------------------
   9. Hero
   ------------------------------------------------------------ */

.hero {
    min-height: 100svh;
    display: flex;
    align-items: flex-start;
    padding-top: clamp(8rem, 22vh, 18rem);
    padding-bottom: var(--space-xl);
    position: relative;
    overflow: hidden;
}

/* Subtle radial gradient background accent */
.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -5%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse at center, rgba(0, 168, 120, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.hero__inner {
    position: relative;
    z-index: 1;
}

.hero__headline {
    font-size: var(--text-hero);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--color-black);
    margin-bottom: 1.5rem;
    max-width: 14ch;
}

.hero__subline {
    font-size: var(--text-lg);
    font-weight: 300;
    color: var(--color-gray-mid);
    max-width: 48ch;
    line-height: 1.65;
    margin-bottom: 1.75rem;
}

/* Quick navigation links below subline */
.hero__quicklinks {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--space-xl);
}

.hero__quicklinks a {
    font-size: var(--text-base);
    font-weight: 300;
    color: var(--color-gray-mid);
    position: relative;
}

.hero__quicklinks a::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-gray-mid);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--duration-fast) var(--ease-out-quart);
}

.hero__quicklinks a:hover::after {
    transform: scaleX(1);
}

.hero__quicklinks span[aria-hidden] {
    color: var(--color-gray-ultra);
    font-weight: 300;
}

/* Animated scroll indicator line */
.hero__scroll-indicator {
    width: 1px;
    height: 40px;
    background-color: var(--color-accent);
    animation: scroll-pulse 2.4s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50%       { opacity: 1;   transform: scaleY(0.6); }
}


/* ------------------------------------------------------------
   10. Forschung (Research Themes)
   ------------------------------------------------------------ */

.forschung {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-top: 1px solid var(--color-gray-ultra);
}

.forschung__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) clamp(3rem, 6vw, 8rem);
}

.forschung__item {
    position: relative;
    padding-top: 0.5rem;
    cursor: default;
}

.forschung__number {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 200;
    line-height: 1;
    color: rgba(0, 168, 120, 0.15);
    margin-bottom: 0.5rem;
    transition: color var(--duration-base) var(--ease-out-quart);
    user-select: none;
}

.forschung__item:hover .forschung__number {
    color: var(--color-accent);
}

.forschung__title {
    font-size: var(--text-2xl);
    font-weight: 400;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

/* Underline grows from left on item hover */
.forschung__title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--duration-fast) var(--ease-out-quart);
}

.forschung__item:hover .forschung__title::after {
    transform: scaleX(1);
}

.forschung__desc {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.forschung__link {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    opacity: 0;
    transform: translateX(-8px);
    transition:
        opacity  var(--duration-fast) ease,
        transform var(--duration-fast) var(--ease-out-quart),
        color var(--duration-fast) ease;
}

.forschung__item:hover .forschung__link {
    opacity: 1;
    transform: translateX(0);
    color: var(--color-black);
}


/* ------------------------------------------------------------
   11. Featured Project
   ------------------------------------------------------------ */

.featured-project {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
}

.featured-project__label {
    margin-bottom: var(--space-md);
}

.featured-project__visual {
    position: relative;
}

.featured-project__image-wrap {
    overflow: hidden;
    border-radius: 4px;
    aspect-ratio: 16 / 7;
}

.featured-project__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Static placeholder when no image is set */
.featured-project__image-placeholder {
    width: 100%;
    aspect-ratio: 16 / 7;
    background-color: var(--color-bg-subtle);
    border-radius: 4px;
}

/* Overlay panel */
.featured-project__overlay {
    position: absolute;
    bottom: var(--space-md);
    left: var(--space-md);
    max-width: min(520px, 45%);
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: var(--space-md);
    border-radius: 3px;
}

.featured-project__title {
    font-size: var(--text-xl);
    font-weight: 400;
    margin-bottom: 0.75rem;
}

.featured-project__desc {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    line-height: 1.65;
    margin-bottom: var(--space-sm);
}

.featured-project__cta {
    opacity: 0;
    transition: opacity var(--duration-base) ease var(--duration-slow);
}

/* CTA fades in after the overlay animates in */
.featured-project__overlay.is-visible .featured-project__cta {
    opacity: 1;
}


/* ------------------------------------------------------------
   12. Kennzahlen (Impact Numbers)
   ------------------------------------------------------------ */

.kennzahlen {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
    position: relative;
}

/* Subtle background tint */
.kennzahlen::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--color-bg-subtle);
    z-index: -1;
}

/* Gradient fade-in/out to avoid hard edge */
.kennzahlen::before {
    mask-image: linear-gradient(
        to bottom,
        transparent 0%,
        black 8%,
        black 92%,
        transparent 100%
    );
    -webkit-mask-image: linear-gradient(
        to bottom,
        transparent 0%,
        black 8%,
        black 92%,
        transparent 100%
    );
}

.kennzahlen__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md) var(--space-lg);
    align-items: start;
    margin-top: var(--space-lg);
}

.kennzahlen__value-wrap {
    display: flex;
    align-items: baseline;
    gap: 0.2em;
    line-height: 1;
    margin-bottom: 0.5rem;
    white-space: nowrap;
}

.kennzahlen__number {
    font-size: var(--text-stat);
    font-weight: 200;
    line-height: 1;
    color: var(--color-accent);
    letter-spacing: -0.04em;
}

.kennzahlen__einheit {
    font-size: clamp(1rem, 2.5vw, 1.75rem);
    font-weight: 300;
    color: var(--color-accent);
    letter-spacing: -0.02em;
    line-height: 1;
}

.kennzahlen__label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--color-gray-mid);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}


/* ------------------------------------------------------------
   13. Projekte Teaser
   ------------------------------------------------------------ */

.projekte-teaser {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-lg);
}

/* Filter */
.projekte-teaser__filter {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--space-lg);
}

.projekte-teaser__filter span[aria-hidden] {
    color: var(--color-gray-ultra);
    pointer-events: none;
}

.filter-btn {
    font-size: var(--text-sm);
    font-weight: 300;
    color: var(--color-gray-light);
    padding: 0;
    transition: color var(--duration-fast) ease, font-weight var(--duration-fast) ease;
    position: relative;
}

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--duration-fast) var(--ease-out-quart);
}

/* Active filter state */
.filter-btn.is-active {
    color: var(--color-accent);
    font-weight: 500;
}

.filter-btn.is-active::after {
    transform: scaleX(1);
}

.filter-btn:hover:not(.is-active) {
    color: var(--color-gray-dark);
}

/* Project list */
.projekte-teaser__list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.projekte-teaser__item {
    border-top: 1px solid var(--color-gray-ultra);
    transition: background-color var(--duration-fast) ease;
}

.projekte-teaser__item:last-child {
    border-bottom: 1px solid var(--color-gray-ultra);
}

.projekte-teaser__item:hover {
    background-color: rgba(0, 168, 120, 0.025);
}

.projekte-teaser__link {
    display: block;
    padding: 1.5rem 0;
}

.projekte-teaser__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.4rem;
}

.projekte-teaser__year,
.projekte-teaser__partner {
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--color-gray-light);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.projekte-teaser__title {
    font-size: var(--text-xl);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 0.4rem;
    transition: color var(--duration-fast) ease;
}

.projekte-teaser__item:hover .projekte-teaser__title {
    color: var(--color-accent);
}

/* Featured first item */
.projekte-teaser__item.is-featured .projekte-teaser__title {
    font-size: var(--text-2xl);
}

.projekte-teaser__excerpt {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    max-width: 60ch;
    line-height: 1.6;
}

/* Hidden items (filter) */
.projekte-teaser__item.is-hidden {
    display: none;
}

/* Ghost image — deaktiviert */
.project-ghost { display: none; }


/* ------------------------------------------------------------
   14. Publikationen Teaser
   ------------------------------------------------------------ */

.publikationen-teaser {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-lg);
}

.publikationen-teaser__list {
    margin-top: 0;
}

/* Year markers */
.publikationen-teaser__year-marker {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 200;
    color: var(--color-gray-ultra);
    line-height: 1;
    padding: var(--space-sm) 0 0.25rem;
    pointer-events: none;
}

.publikationen-archive .publikationen-teaser__year-marker:first-child {
    padding-top: 0;
}

.publikationen-archive .blog-layout__main {
    padding-top: 0;
}

/* Publication entry */
.publikationen-teaser__item {
    border-top: 1px solid var(--color-gray-ultra);
    padding: 1.25rem 0;
    position: relative;
}

/* Left-border affordance hint */
.publikationen-teaser__item::before {
    content: '';
    position: absolute;
    left: -var(--container-pad);
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: transparent;
    transition: background-color var(--duration-fast) ease;
}

.publikationen-teaser__title {
    display: block;
    width: 100%;
    text-align: left;
    font-size: var(--text-lg);
    font-weight: 400;
    line-height: 1.4;
    cursor: pointer;
    color: var(--color-black);
    border-left: 2px solid transparent;
    padding-left: 0.75rem;
    margin-left: -0.75rem;
    transition: color var(--duration-fast) ease,
                border-left-color var(--duration-fast) ease;
}

.publikationen-teaser__title:hover {
    color: var(--color-accent);
    border-left-color: var(--color-accent);
}

.publikationen-teaser__byline {
    font-size: var(--text-xs);
    color: var(--color-gray-light);
    margin-top: 0.25rem;
    padding-left: 0.75rem;
    margin-left: -0.75rem;
}

/* Abstract — hidden by default, revealed by JS */
.publikationen-teaser__abstract {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition:
        max-height var(--duration-base) var(--ease-out-quart),
        opacity var(--duration-fast) ease;
    padding-left: 0.75rem;
    margin-left: -0.75rem;
}

/* JS adds .is-open to the li */
.publikationen-teaser__item.is-open .publikationen-teaser__abstract {
    max-height: 600px;
    opacity: 1;
}

.publikationen-teaser__abstract-text {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    line-height: 1.7;
    margin-top: 0.75rem;
    max-width: 70ch;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
}

.publikationen-teaser__abstract-actions {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.publikationen-teaser__abstract-actions .text-link {
    font-size: var(--text-sm);
}

.publikationen-teaser__more {
    font-weight: 500;
}


/* ------------------------------------------------------------
   15. Team Teaser
   ------------------------------------------------------------ */

.team-teaser {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
}

/* Anchor image — group photo or first member portrait */
.team-teaser__anchor-image {
    float: right;
    width: clamp(160px, 25%, 280px);
    margin: 0 0 var(--space-lg) var(--space-lg);
}

.team-teaser__anchor-image img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 800ms var(--ease-out-quart);
    border-radius: 2px;
}

.team-teaser__anchor-image.is-visible img {
    filter: grayscale(0%);
}

/* Team list */
.team-teaser__list {
    display: flex;
    flex-direction: column;
    gap: 0;
    clear: right;
}

.team-teaser__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--color-gray-ultra);
    padding: 1.5rem 0;
    position: relative;
    overflow: visible;
}

.team-teaser__item:last-child {
    border-bottom: 1px solid var(--color-gray-ultra);
}

.team-teaser__info {
    flex: 1;
}

.team-teaser__name {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.01em;
    transition: color var(--duration-fast) ease;
}

.team-teaser__item:hover .team-teaser__name {
    color: var(--color-accent);
}

.team-teaser__role {
    display: block;
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gray-mid);
    margin-bottom: 0.35rem;
}

/* Academic title prefix — own line above the name */
.team-teaser__title-prefix {
    display: block;
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--color-gray-dark);
    letter-spacing: 0.01em;
    margin-bottom: 0.15rem;
}

.team-teaser__areas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.team-teaser__area-tag {
    font-size: var(--text-xs);
    color: var(--color-gray-light);
}

.team-teaser__area-tag + .team-teaser__area-tag::before {
    content: '·';
    margin-right: 0.4rem;
    color: var(--color-gray-ultra);
}

/* Hover portrait — deaktiviert */
.team-teaser__hover-photo { display: none; }

.team-teaser__hover-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 35%;
    image-rendering: -webkit-optimize-contrast;
}


/* ------------------------------------------------------------
   16. Responsive — Tablet (≤ 1024px)
   ------------------------------------------------------------ */

@media (max-width: 1024px) {
    .kennzahlen__grid {
        grid-template-columns: 1fr 1fr;
    }

    .kennzahlen__item--large {
        grid-column: span 2;
    }

    .featured-project__overlay {
        max-width: 60%;
    }

    .site-footer__inner {
        grid-template-columns: 1fr 1fr;
    }

    .site-footer__cta {
        text-align: left;
        grid-column: span 2;
    }
}


/* ------------------------------------------------------------
   17. Responsive — Mobile (≤ 768px)
   ------------------------------------------------------------ */

@media (max-width: 768px) {
    :root {
        --space-xl:  5rem;
        --space-2xl: 8rem;
    }

    /* Header */
    .site-nav {
        display: none; /* TODO: implement mobile menu */
    }

    /* Hero */
    .hero {
        padding-top: clamp(6rem, 18vh, 10rem);
    }

    .hero__subline {
        font-size: var(--text-base);
    }

    /* Forschung */
    .forschung__grid {
        grid-template-columns: 1fr;
    }

    /* Featured Project */
    .featured-project__image-wrap {
        aspect-ratio: 4 / 3;
    }

    .featured-project__overlay {
        position: static;
        max-width: 100%;
        margin-top: 1rem;
        background-color: transparent;
        backdrop-filter: none;
        padding: 0;
    }

    /* Kennzahlen */
    .kennzahlen__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
    }

    .kennzahlen__item--large {
        grid-column: span 2;
    }

    /* Ghost image — disable on touch */
    .project-ghost {
        display: none;
    }

    /* Team hover photo — disable, info visible by default */
    .team-teaser__hover-photo {
        display: none;
    }

    .team-teaser__anchor-image {
        float: none;
        width: 100%;
        max-width: 200px;
        margin: 0 0 var(--space-md) 0;
    }

    /* Footer */
    .site-footer__inner {
        grid-template-columns: 1fr;
    }

    .site-footer__cta {
        text-align: left;
    }
}


/* ============================================================
   NEW COMPONENTS — appended to existing stylesheet
   All selectors use new namespaces; no existing rules modified.
   ============================================================ */


/* ------------------------------------------------------------
   Shared Design Tokens — Card, Badge, Button, Tab
   ------------------------------------------------------------ */

/* Card */
.card {
    border: 1px solid var(--color-gray-ultra);
    border-radius: 12px;
    padding: var(--space-md);
    background: var(--color-bg);
    transition: box-shadow var(--duration-base) var(--ease-out-quart),
                transform  var(--duration-base) var(--ease-out-quart);
}
.card:where(a, [role="link"]):hover,
a.card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}
.card__header { margin-bottom: var(--space-sm); }
.card__meta   { display: flex; flex-wrap: wrap; gap: var(--space-xs); align-items: center; margin-bottom: var(--space-xs); }
.card__body   { color: var(--color-gray-dark); font-size: var(--text-sm); line-height: 1.7; }
.card__footer {
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-gray-ultra);
}
.card__title {
    font-size: var(--text-xl);
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--color-black);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2em 0.6em;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1;
    background: var(--color-accent-dim);
    color: var(--color-accent);
    white-space: nowrap;
}
.badge--neutral {
    background: var(--color-bg-subtle);
    color: var(--color-gray-mid);
}
.badge--type {
    background: var(--color-bg-subtle);
    color: var(--color-gray-mid);
}
.badge--peer-reviewed {
    background: color-mix(in srgb, var(--color-accent) 12%, transparent);
    color: var(--color-accent);
    border: 1px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
}

/* Button */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.6em 1.25em;
    border-radius: 8px;
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: 1;
    transition: opacity var(--duration-fast),
                background var(--duration-fast),
                transform 100ms;
    cursor: pointer;
    text-decoration: none;
}
.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}
.btn--primary {
    background: var(--color-black);
    color: #fff;
    border: 1px solid var(--color-black);
}
.btn--primary:hover { opacity: 0.82; }
.btn--primary:active { transform: scale(0.98); }

.btn--ghost {
    background: transparent;
    border: 1px solid var(--color-gray-ultra);
    color: var(--color-black);
}
.btn--ghost:hover { background: var(--color-bg-subtle); }
.btn--ghost:active { transform: scale(0.98); }

.btn--cta-accent {
    background: var(--color-accent);
    color: #fff;
    border: 1px solid var(--color-accent);
}
.btn--cta-accent:hover { opacity: 0.9; }
.btn--cta-accent:active { transform: scale(0.98); }

/* Tab list */
.tab-list {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--color-gray-ultra);
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
.tab-list::-webkit-scrollbar { display: none; }

.tab {
    flex-shrink: 0;
    padding: 0.75em 1.25em;
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--color-gray-mid);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: color var(--duration-fast);
    white-space: nowrap;
}
.tab::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-base) var(--ease-out-quart);
}
.tab.is-active          { color: var(--color-black); font-weight: 500; }
.tab.is-active::after   { transform: scaleX(1); }
.tab:hover:not(.is-active) { color: var(--color-gray-dark); }
.tab:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
    border-radius: 4px 4px 0 0;
}

.tab__count {
    margin-left: 0.4em;
    padding: 0.1em 0.45em;
    border-radius: 10px;
    font-size: var(--text-xs);
    font-weight: 400;
    background: var(--color-bg-subtle);
    color: var(--color-gray-mid);
    transition: background var(--duration-fast), color var(--duration-fast);
}
.tab.is-active .tab__count {
    background: var(--color-accent-dim);
    color: var(--color-accent);
}

/* Shared section headline */
.section-headline {
    font-size: var(--text-3xl);
    font-weight: 300;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

/* Meta text utility */
.meta-text {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-gray-light);
    letter-spacing: 0.02em;
}


/* ------------------------------------------------------------
   Subpage Hero
   ------------------------------------------------------------ */

.subpage-hero {
    padding-block: var(--space-xl) var(--space-lg);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-gray-ultra);
    position: relative;
    overflow: hidden;
}

/* Subtle radial accent — mirrors main hero */
.subpage-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 60vw;
    max-width: 700px;
    aspect-ratio: 1;
    background: radial-gradient(circle, var(--color-accent-dim) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.subpage-hero__inner {
    position: relative;
    z-index: 1;
}

.subpage-hero__breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4em;
    margin-bottom: var(--space-md);
    font-size: var(--text-xs);
    color: var(--color-gray-light);
    letter-spacing: 0.02em;
}

.subpage-hero__breadcrumb a {
    color: var(--color-gray-mid);
    text-decoration: none;
    transition: color var(--duration-fast);
}
.subpage-hero__breadcrumb a:hover { color: var(--color-black); }

.subpage-hero__breadcrumb-sep { color: var(--color-gray-ultra); }

.subpage-hero__title {
    font-size: clamp(2.25rem, 5vw, 4.5rem);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-top: var(--space-sm);
    max-width: 16ch;
}

.subpage-hero__subtitle {
    margin-top: var(--space-sm);
    font-size: var(--text-lg);
    color: var(--color-gray-mid);
    max-width: 52ch;
    line-height: 1.6;
}

.subpage-hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.subpage-hero__meta {
    margin-top: var(--space-xs);
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
}


/* ------------------------------------------------------------
   Content Section
   ------------------------------------------------------------ */

.content-section {
    padding-block: var(--space-xl);
}
.content-section--center { text-align: center; }
.content-section--center .content-section__headline { margin-inline: auto; }
.content-section--center .content-section__body     { margin-inline: auto; }

.content-section__headline {
    font-size: var(--text-3xl);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-top: var(--space-sm);
    max-width: 18ch;
}
.content-section--center .content-section__headline { max-width: 24ch; }

.content-section__body {
    margin-top: var(--space-md);
    font-size: var(--text-base);
    color: var(--color-gray-dark);
    line-height: 1.7;
    max-width: 64ch;
}
.content-section__body p + p { margin-top: 1em; }

.content-section__cta {
    display: inline-flex;
    margin-top: var(--space-md);
}


/* ------------------------------------------------------------
   Two Column
   ------------------------------------------------------------ */

.two-column {
    padding-block: var(--space-xl);
}

.two-column__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.two-column--flip .two-column__grid {
    direction: rtl;
}
.two-column--flip .two-column__grid > * {
    direction: ltr;
}

.two-column__text {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.two-column__headline {
    font-size: var(--text-3xl);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.02em;
    max-width: 18ch;
}

.two-column__body {
    font-size: var(--text-base);
    color: var(--color-gray-dark);
    line-height: 1.7;
    max-width: 52ch;
}
.two-column__body p + p { margin-top: 1em; }

.two-column__cta { display: inline-flex; }

.two-column__image {
    border-radius: 12px;
    overflow: hidden;
}

.two-column__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--duration-slow) var(--ease-out-quart);
}
.two-column__image:hover .two-column__img { transform: scale(1.03); }

.two-column__image--sticky {
    position: sticky;
    top: calc(var(--space-lg) + 64px);
    align-self: start;
}

@media (max-width: 768px) {
    .two-column__image--sticky { position: static; }

    .two-column__grid {
        grid-template-columns: 1fr;
        direction: ltr;
        gap: var(--space-lg);
    }
    .two-column--flip .two-column__grid { direction: ltr; }
}


/* ------------------------------------------------------------
   Feature Grid
   ------------------------------------------------------------ */

.feature-grid {
    padding-block: var(--space-xl);
    background: var(--color-bg-subtle);
}

.feature-grid__headline {
    font-size: var(--text-3xl);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-top: var(--space-sm);
    max-width: 20ch;
    margin-bottom: var(--space-lg);
}

.feature-grid__list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-md);
}

.feature-grid__item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    transition: box-shadow var(--duration-base) var(--ease-out-quart),
                transform  var(--duration-base) var(--ease-out-quart);
}
.feature-grid__item:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.feature-grid__number {
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    text-transform: uppercase;
}

.feature-grid__title {
    font-size: var(--text-xl);
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-top: var(--space-xs);
}

.feature-grid__text {
    font-size: var(--text-sm);
    color: var(--color-gray-dark);
    line-height: 1.7;
    margin-top: var(--space-xs);
}


/* ------------------------------------------------------------
   Call to Action Section
   ------------------------------------------------------------ */

.cta-section {
    padding-block: var(--space-xl);
}
.cta-section--light { background: var(--color-bg-subtle); }
.cta-section--dark  { background: var(--color-black); color: #fff; }

.cta-section__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.cta-section__headline {
    font-size: var(--text-3xl);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.02em;
    max-width: 20ch;
}

.cta-section__subtext {
    margin-top: var(--space-xs);
    font-size: var(--text-base);
    line-height: 1.6;
    max-width: 48ch;
}
.cta-section--light .cta-section__subtext { color: var(--color-gray-mid); }
.cta-section--dark  .cta-section__subtext { color: rgba(255,255,255,0.6); }

.cta-section__btn { flex-shrink: 0; }

@media (max-width: 768px) {
    .cta-section__inner { flex-direction: column; align-items: flex-start; }
}


/* ------------------------------------------------------------
   Related Content
   ------------------------------------------------------------ */

.related-content {
    padding-block: var(--space-xl);
    border-top: 1px solid var(--color-gray-ultra);
}
.related-content .container,
.related-content {
    padding-inline: var(--container-pad);
    max-width: var(--container-max);
    margin-inline: auto;
}

.related-content__headline {
    font-size: var(--text-2xl);
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-top: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.related-content__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-md);
}

/* Person card */
.related-content__card--person {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
    padding: var(--space-md);
    border: 1px solid var(--color-gray-ultra);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--duration-base) var(--ease-out-quart),
                transform  var(--duration-base) var(--ease-out-quart);
}
.related-content__card--person:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}
.related-content__card--person .related-content__card-image {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
}
.related-content__card--person .related-content__card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Projekt + Publikation cards */
.related-content__card--projekt,
.related-content__card--publication {
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
    border: 1px solid var(--color-gray-ultra);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--duration-base) var(--ease-out-quart),
                transform  var(--duration-base) var(--ease-out-quart);
}
.related-content__card--projekt:hover,
.related-content__card--publication:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}
.related-content__card--projekt .related-content__card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: var(--space-sm);
}
.related-content__card--projekt .related-content__card-image img {
    width: 100%; height: 100%; object-fit: cover;
}

.related-content__card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
}
.related-content__card-name {
    display: block;
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.35;
    color: var(--color-black);
}
.related-content__card-role {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    margin-top: 0.25em;
}
.related-content__card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-xs);
}

@media (max-width: 768px) {
    .related-content__grid {
        grid-template-columns: 1fr;
    }
}


/* ------------------------------------------------------------
   Themen-Navigator
   ------------------------------------------------------------ */

.themen-nav {
    padding-block: var(--space-xl);
}

.themen-nav__tab-bar {
    margin-bottom: var(--space-lg);
}

.themen-nav__tabs {
    /* inherits from .tab-list */
}

/* Card grid */
.themen-nav__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-md);
}

.themen-nav__card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
    transition: box-shadow var(--duration-base) var(--ease-out-quart),
                transform  var(--duration-base) var(--ease-out-quart),
                opacity    var(--duration-base) var(--ease-out-quart),
                scale      var(--duration-base) var(--ease-out-quart);
}
.themen-nav__card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}
.themen-nav__card.is-hidden {
    opacity: 0;
    scale: 0.97;
    pointer-events: none;
    position: absolute; /* remove from flow */
}

.themen-nav__card-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    flex-shrink: 0;
}
.themen-nav__card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--duration-slow) var(--ease-out-quart);
}
.themen-nav__card:hover .themen-nav__card-image img { transform: scale(1.04); }

.themen-nav__card-body {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.themen-nav__card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}

.themen-nav__card-title {
    font-size: var(--text-xl);
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-xs);
}

.themen-nav__card-link {
    color: inherit;
    text-decoration: none;
}
.themen-nav__card-link:hover { text-decoration: underline; }
.themen-nav__card-link:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.themen-nav__card-excerpt {
    font-size: var(--text-sm);
    color: var(--color-gray-dark);
    line-height: 1.6;
    flex: 1;
}

.themen-nav__card-footer {
    margin-top: auto;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-gray-ultra);
}

/* Grid: hide overflow when cards animate out */
.themen-nav__grid {
    position: relative;
}

@media (max-width: 768px) {
    .themen-nav__grid {
        grid-template-columns: 1fr;
    }
}


/* ------------------------------------------------------------
   Impact Simulator
   ------------------------------------------------------------ */

.impact-simulator {
    padding-block: var(--space-xl);
    background: var(--color-bg-subtle);
}

.impact-simulator__header {
    margin-bottom: var(--space-lg);
}

.impact-simulator__headline {
    font-size: var(--text-3xl);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.02em;
    max-width: 18ch;
    margin-top: var(--space-xs);
}

.impact-simulator__intro {
    font-size: var(--text-base);
    color: var(--color-gray-mid);
    max-width: 56ch;
    line-height: 1.6;
    margin-top: var(--space-sm);
}

/* Layout: controls left, results right */
.impact-simulator__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

/* Controls */
.impact-simulator__controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.impact-simulator__control {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.impact-simulator__label-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-sm);
}

.impact-simulator__label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-black);
}

.impact-simulator__output {
    font-size: var(--text-xl);
    font-weight: 300;
    color: var(--color-accent);
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    min-width: 5ch;
    text-align: right;
}

.impact-simulator__range-wrap {
    position: relative;
    padding-block: var(--space-xs);
}

/* Custom range slider */
.impact-simulator__range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(
        to right,
        var(--color-accent) 0%,
        var(--color-accent) var(--range-fill, 20%),
        var(--color-gray-ultra) var(--range-fill, 20%),
        var(--color-gray-ultra) 100%
    );
    outline: none;
    cursor: pointer;
}
.impact-simulator__range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-black);
    border: 3px solid var(--color-bg);
    box-shadow: 0 0 0 2px var(--color-black);
    cursor: grab;
    transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}
.impact-simulator__range::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.15);
}
.impact-simulator__range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-black);
    border: 3px solid var(--color-bg);
    box-shadow: 0 0 0 2px var(--color-black);
    cursor: grab;
}
.impact-simulator__range:focus-visible::-webkit-slider-thumb {
    box-shadow: 0 0 0 4px var(--color-accent-dim);
}

.impact-simulator__range-bounds {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: var(--color-gray-light);
}

/* Results */
.impact-simulator__results {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.impact-simulator__result-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-gray-ultra);
    border-radius: 12px;
    border-left: 4px solid var(--color-gray-ultra);
    transition: border-color var(--duration-base);
}
.impact-simulator__result-card--accent {
    border-left-color: var(--color-accent);
}

.impact-simulator__result-value {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    letter-spacing: -0.03em;
    color: var(--color-black);
    font-variant-numeric: tabular-nums;
    line-height: 1;
    transition: color var(--duration-fast);
}
.impact-simulator__result-card--accent .impact-simulator__result-value {
    color: var(--color-accent);
}

.impact-simulator__result-unit {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    margin-top: 0.2em;
}

.impact-simulator__result-label {
    font-size: var(--text-xs);
    color: var(--color-gray-light);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-top: var(--space-xs);
}

.impact-simulator__disclaimer {
    font-size: var(--text-xs);
    color: var(--color-gray-light);
    line-height: 1.5;
    padding-top: var(--space-xs);
}

@media (max-width: 1024px) {
    .impact-simulator__layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* ------------------------------------------------------------
   Custom Cursor — replace native cursor on pointer devices
   ------------------------------------------------------------ */

@media (pointer: fine) and (prefers-reduced-motion: no-preference) {
    body,
    body * {
        cursor: none !important;
    }

    .custom-cursor {
        pointer-events: none;
    }
}
/* ------------------------------------------------------------
   Research Timeline
   ------------------------------------------------------------ */

.research-timeline {
    padding-block: var(--space-xl);
    overflow: hidden;
}

.research-timeline__headline {
    font-size: var(--text-3xl);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-top: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.research-timeline__outer {
    overflow: hidden;
}

.research-timeline__scroll {
    display: flex;
    gap: var(--space-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-gray-ultra) transparent;
    padding-inline: var(--container-pad);
    padding-block: var(--space-lg);
    cursor: grab;
    position: relative;
}
.research-timeline__scroll:active { cursor: grabbing; }
.research-timeline__scroll::-webkit-scrollbar { height: 4px; }
.research-timeline__scroll::-webkit-scrollbar-track { background: transparent; }
.research-timeline__scroll::-webkit-scrollbar-thumb { background: var(--color-gray-ultra); border-radius: 2px; }

/* Horizontal connecting line */
.research-timeline__track {
    position: absolute;
    top: calc(var(--space-lg) + 6px); /* align with dot center */
    left: var(--container-pad);
    right: var(--container-pad);
    height: 1px;
    background: var(--color-gray-ultra);
    pointer-events: none;
    z-index: 0;
}

.research-timeline__milestone {
    flex: 0 0 280px;
    scroll-snap-align: start;
    position: relative;
    padding-top: calc(var(--space-sm) + 6px); /* space for dot above card */
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--duration-slow) var(--ease-out-quart),
                transform var(--duration-slow) var(--ease-out-quart);
    z-index: 1;
}

.research-timeline__milestone.is-active {
    opacity: 1;
    transform: translateY(0);
}

/* Dot */
.research-timeline__dot {
    position: absolute;
    top: 0;
    left: var(--space-md);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-gray-ultra);
    border: 2px solid var(--color-bg);
    box-shadow: 0 0 0 1px var(--color-gray-ultra);
    transition: background var(--duration-base), box-shadow var(--duration-base);
    z-index: 2;
}
.research-timeline__milestone.is-active .research-timeline__dot {
    background: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-accent-dim);
}

/* Card */
.research-timeline__card {
    padding: var(--space-md);
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    transition: box-shadow var(--duration-base) var(--ease-out-quart),
                transform  var(--duration-base) var(--ease-out-quart);
}
.research-timeline__milestone.is-active .research-timeline__card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.research-timeline__year {
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    text-transform: uppercase;
}

.research-timeline__event {
    font-size: var(--text-base);
    font-weight: 500;
    line-height: 1.3;
    color: var(--color-black);
}

.research-timeline__desc {
    font-size: var(--text-sm);
    color: var(--color-gray-dark);
    line-height: 1.6;
}

.research-timeline__hint {
    font-size: var(--text-xs);
    color: var(--color-gray-light);
    letter-spacing: 0.04em;
    margin-top: var(--space-sm);
    text-align: center;
}

@media (min-width: 769px) {
    .research-timeline__hint { display: none; }
}


/* ------------------------------------------------------------
   Archive: Publikationen
   ------------------------------------------------------------ */

.publikationen-archive {
    padding-block: var(--space-xl);
}

.publikationen-archive__tabs {
    margin-bottom: var(--space-lg);
}

.publikationen-archive__list {
    display: flex;
    flex-direction: column;
}

.publikationen-archive__year-marker {
    font-size: clamp(2.5rem, 5vw, 5rem);
    font-weight: 300;
    color: var(--color-gray-ultra);
    letter-spacing: -0.03em;
    line-height: 1;
    padding-block: var(--space-md) var(--space-xs);
    pointer-events: none;
    user-select: none;
    transition: opacity var(--duration-base);
}
.publikationen-archive__year-marker.is-hidden,
.publikationen-teaser__year-marker.is-hidden { display: none; }

.publikationen-archive__item {
    padding-block: var(--space-md);
    border-bottom: 1px solid var(--color-gray-ultra);
    transition: opacity var(--duration-base);
}
.publikationen-archive__item.is-hidden,
.publikationen-teaser__item.is-hidden { display: none; }

.publikationen-archive__title {
    display: block;
    width: 100%;
    text-align: left;
    font-size: var(--text-lg);
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-black);
    cursor: pointer;
    padding: 0;
    transition: color var(--duration-fast);
}
.publikationen-archive__title:hover { color: var(--color-accent); }
.publikationen-archive__title:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 4px; }

.publikationen-archive__byline {
    margin-top: 0.3em;
    font-size: var(--text-sm);
    color: var(--color-gray-light);
}

.publikationen-archive__abstract {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-out-quart);
}
.publikationen-archive__item.is-open .publikationen-archive__abstract {
    max-height: 600px;
}
.publikationen-archive__abstract p {
    padding-top: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--color-gray-dark);
    line-height: 1.7;
    max-width: 64ch;
}
.publikationen-archive__abstract .text-link {
    display: inline-block;
    margin-top: var(--space-xs);
    font-size: var(--text-sm);
}


/* ------------------------------------------------------------
   Archive: Team
   ------------------------------------------------------------ */

.team-archive {
    padding-block: var(--space-xl);
}

.team-archive__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-md);
}

.team-archive__card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-gray-ultra);
    transition: box-shadow var(--duration-base) var(--ease-out-quart),
                transform  var(--duration-base) var(--ease-out-quart);
}
.team-archive__card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.team-archive__photo {
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--color-bg-subtle);
}
.team-archive__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(20%);
    transition: filter var(--duration-slow), transform var(--duration-slow) var(--ease-out-quart);
}
.team-archive__card:hover .team-archive__photo img {
    filter: grayscale(0%);
    transform: scale(1.04);
}
.team-archive__photo--placeholder {
    background: linear-gradient(135deg, var(--color-bg-subtle) 0%, var(--color-gray-ultra) 100%);
}

.team-archive__info {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.team-archive__name {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-black);
    display: block;
}

.team-archive__role {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    display: block;
}

.team-archive__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-xs);
}

@media (max-width: 768px) {
    .team-archive__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 480px) {
    .team-archive__grid {
        grid-template-columns: 1fr;
    }
}


/* ------------------------------------------------------------
   Single: Projekt — Metadaten
   ------------------------------------------------------------ */

.pub-meta-section {
    padding-block: var(--space-xl);
    background: var(--color-bg-subtle);
}

.pub-meta-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 640px;
}

.pub-meta-card__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.pub-meta-card__row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--space-sm);
    align-items: baseline;
}

.pub-meta-card__label {
    font-family: var(--font-mono);
    color: var(--color-gray-light);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.pub-meta-card__value {
    font-size: var(--text-base);
    color: var(--color-black);
}

.pub-meta-card__doi {
    align-self: flex-start;
}

.projekt-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.projekt-meta__row {
    font-size: var(--text-base);
    color: var(--color-gray-dark);
    line-height: 1.5;
}

/* Single Team */
.single-team__areas-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-black);
    margin-top: var(--space-md);
    margin-bottom: var(--space-xs);
}

.single-team__areas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}


/* ------------------------------------------------------------
   prefers-reduced-motion overrides for new components
   ------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
    .themen-nav__card,
    .research-timeline__milestone,
    .impact-simulator__result-value,
    .team-archive__card,
    .related-content__card--person,
    .related-content__card--projekt,
    .related-content__card--publication {
        transition: none;
    }

    .research-timeline__milestone {
        opacity: 1;
        transform: none;
    }
}


/* ------------------------------------------------------------
   Live Dot — Aktivitäts-Sektion (pulsierender grüner Punkt)
   ------------------------------------------------------------ */

.activity-live-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-accent);
    margin-right: 6px;
    vertical-align: middle;
    position: relative;
    animation: livePulse 2.4s ease-in-out infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1;   transform: scale(1);    }
    50%       { opacity: 0.3; transform: scale(0.65); }
}

@media (prefers-reduced-motion: reduce) {
    .activity-live-dot { animation: none; }
}


/* ------------------------------------------------------------
   Kontaktformular (page-kontakt.php)
   ------------------------------------------------------------ */

.kontakt-page {
    padding-block: var(--space-xl);
}

.kontakt-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-xl);
    align-items: start;
    margin-top: var(--space-lg);
}

@media (max-width: 768px) {
    .kontakt-layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

.kontakt-info__label {
    margin-bottom: var(--space-md);
}

.kontakt-info__headline {
    font-size: var(--text-2xl);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.kontakt-info__text {
    color: var(--color-gray-dark);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.kontakt-info__list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.kontakt-info__list-item {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
}

.kontakt-info__list-item strong {
    color: var(--color-black);
    font-weight: 500;
}

/* Form */
.kontakt-form {
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-gray-ultra);
    border-radius: 16px;
    padding: var(--space-md) var(--space-lg);
}

.kontakt-form__notice {
    font-size: var(--text-sm);
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    display: none;
    padding: var(--space-sm);
    background: var(--color-accent-dim);
    border-radius: 8px;
}

.kontakt-form__notice.is-visible { display: block; }

.form-group {
    margin-bottom: var(--space-sm);
}

.form-group label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-gray-mid);
    margin-bottom: 0.375rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    border: 1px solid var(--color-gray-ultra);
    border-radius: 8px;
    padding: 0.625rem var(--space-sm);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 300;
    color: var(--color-black);
    background: var(--color-bg);
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
    box-sizing: border-box;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

@media (max-width: 600px) {
    .form-row { grid-template-columns: 1fr; }
}

.form-group--hidden { display: none; }
.form-group--hidden.is-visible { display: block; }

.form-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: 0.375rem;
}

.form-radio-group label {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: var(--text-sm);
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    color: var(--color-gray-dark);
    cursor: pointer;
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--color-gray-ultra);
    border-radius: 100px;
    background: var(--color-bg);
    transition: border-color 0.2s, background 0.2s;
}

.form-radio-group input[type="radio"] { display: none; }

.form-radio-group input[type="radio"]:checked + span {
    /* handled by JS — selected label styling */
}

.form-radio-label--active {
    border-color: var(--color-accent) !important;
    background: var(--color-accent-dim) !important;
    color: var(--color-accent) !important;
}

.kontakt-form__submit {
    margin-top: var(--space-md);
}

.kontakt-form__submit .btn--primary {
    width: 100%;
    justify-content: center;
    padding: 0.875rem var(--space-md);
}


/* ------------------------------------------------------------
   Publikation — Beitragsbild sticky (single-publikation.php)
   ------------------------------------------------------------ */

.pub-detail-body {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-lg);
    align-items: start;
}

.pub-detail-body__content { min-width: 0; }

.pub-detail-body__image {
    position: sticky;
    top: calc(var(--space-lg) + 64px); /* below fixed header */
}

.pub-detail-body__image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
    object-fit: contain;
}


@media (max-width: 1024px) {
    .pub-detail-body {
        grid-template-columns: 1fr;
    }
    .pub-detail-body__image {
        position: static;
        max-width: 320px;
    }
}

.pub-detail-body__content p {
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
}

/* Gutenberg-Inhalt (the_content) unterhalb der Metadaten */
.pub-gutenberg-content {
    padding-block: var(--space-xl);
}
.pub-gutenberg-content .container > * { max-width: 72ch; }


/* ------------------------------------------------------------
   Team-Mitglied — Bio aufklappbar + sticky Profilbild
   ------------------------------------------------------------ */

.team-bio-collapse__inner {
    overflow: hidden;
    max-height: 180px;
    position: relative;
    transition: max-height 0.4s var(--ease-out-quart);
}

.team-bio-collapse__inner.is-expanded {
    max-height: 9999px;
}

.team-bio-collapse__fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--color-bg));
    pointer-events: none;
    transition: opacity 0.3s;
}

.team-bio-collapse__inner.is-expanded .team-bio-collapse__fade {
    opacity: 0;
}

.team-bio-collapse__btn {
    background: none;
    border: none;
    color: var(--color-accent);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 400;
    cursor: pointer;
    padding: 0;
    margin-top: var(--space-xs);
    display: inline-flex;
    align-items: center;
    gap: 0.25em;
}

.team-bio-collapse__btn:hover { text-decoration: underline; }


/* ------------------------------------------------------------
   Publikationen-Teaser — Autoren als Tags
   ------------------------------------------------------------ */

.pub-author-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 0.375rem;
}

.pub-author-tag {
    display: inline-block;
    font-size: var(--text-xs);
    color: var(--color-gray-mid);
    background: transparent;
    border: 1px solid var(--color-gray-ultra);
    border-radius: 100px;
    padding: 0.15rem 0.625rem;
    white-space: nowrap;
    font-weight: 400;
}

a.pub-author-tag,
.pub-author-tag--linked {
    color: var(--color-accent);
    border-color: var(--color-accent-dim);
    background: var(--color-accent-dim);
    text-decoration: none;
    transition: background 0.2s;
}

a.pub-author-tag:hover,
a.pub-author-tag--linked:hover {
    background: rgba(0, 168, 120, 0.22);
}


/* ------------------------------------------------------------
   Blog-Archiv — Sidebar-Layout (home.php)
   ------------------------------------------------------------ */

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--space-lg);
    align-items: start;
}

@media (max-width: 1024px) {
    .blog-layout {
        grid-template-columns: 1fr;
    }
    .blog-layout__sidebar {
        order: -1;
    }
}

/* ------------------------------------------------------------
   Publikationen-Archiv — Sidebar Filter
   ------------------------------------------------------------ */

.publikationen-archive .blog-layout__sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* einzelne Filtergruppe */
.publikationen-archive .blog-nav__widget {
    margin: 0;
}

/* Überschrift wie "Erscheinungsjahr", "Publikationstyp", "Suche" */
.publikationen-archive .blog-nav__widget-title {
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gray-light);
    margin-bottom: 0.9rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--color-gray-ultra);
}

/* Liste der Filter */
.publikationen-archive .blog-nav__list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

/* einzelne Zeile */
.publikationen-archive .blog-nav__list-item {
    line-height: 1;
}

/* Button: Text und Counter sauber ausrichten */
.publikationen-archive .blog-nav__list-link {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    min-height: 1.9rem;
    padding: 0.25rem 0.45rem;
    border-radius: 7px;
    font-size: var(--text-sm);
    color: var(--color-gray-dark);
    transition:
        background-color var(--duration-fast) ease,
        color var(--duration-fast) ease;
}

/* Hover */
.publikationen-archive .blog-nav__list-link:hover {
    background: var(--color-bg-subtle);
    color: var(--color-black);
}

/* aktiver Filter */
.publikationen-archive .blog-nav__list-link.is-active {
    background: var(--color-bg-subtle);
    color: var(--color-accent);
    font-weight: 500;
}

/* Counter-Badge */
.publikationen-archive .blog-nav__list-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.45rem;
    height: 1.45rem;
    padding: 0 0.35rem;
    border-radius: 999px;
    background: var(--color-bg-subtle);
    color: var(--color-gray-mid);
    font-size: var(--text-xs);
    font-weight: 500;
    line-height: 1;
}

/* aktiver Counter */
.publikationen-archive .blog-nav__list-link.is-active .blog-nav__list-count {
    background: var(--color-accent);
    color: #fff;
}

/* ------------------------------------------------------------
   Offene Stellen — Archiv & Einzelseite
   ------------------------------------------------------------ */

/* ── Typ-Farben (CSS-Variablen je Stellenart) ────────────────── */
.stellen-card--abschlussarbeit,
[data-type="abschlussarbeit"] { --stelle-color: var(--color-accent); }

.stellen-card--hiwi,
[data-type="hiwi"]            { --stelle-color: var(--color-accent); }

.stellen-card--praktikum,
[data-type="praktikum"]       { --stelle-color: #4A90E2; }

.stellen-card--wissenschaftlich,
[data-type="wissenschaftlich"]{ --stelle-color: #8B5CF6; }

/* ── Filter-Leiste ───────────────────────────────────────────── */
.stellen-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--space-lg);
}

.stellen-filter__btn {
    appearance: none;
    background: transparent;
    border: 1px solid var(--color-gray-ultra);
    border-radius: 2rem;
    color: var(--color-gray-mid);
    cursor: pointer;
    font-family: inherit;
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.06em;
    padding: 0.4rem 1rem;
    text-transform: uppercase;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.stellen-filter__btn.is-active,
.stellen-filter__btn:hover {
    background: var(--color-ink);
    border-color: var(--color-ink);
    color: var(--color-bg);
}

/* ── Archiv-Grid ─────────────────────────────────────────────── */
.stellen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-md);
}

.stellen-archiv__leer {
    color: var(--color-gray-mid);
    font-size: var(--text-sm);
    padding: var(--space-xl) 0;
    text-align: center;
}

/* ── Karte (helles Design) ───────────────────────────────────── */
.stellen-card {
    background: var(--color-bg);
    border: 1px solid var(--color-gray-ultra);
    border-left: 3px solid var(--stelle-color, var(--color-accent));
    border-radius: var(--radius-md);
    color: var(--color-ink);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    overflow: hidden;
    padding: var(--space-md) var(--space-lg);
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stellen-card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transform: translateY(-3px);
}

/* Ghost-Nummer im Hintergrund */
.stellen-card__ghost-number {
    color: rgba(0,0,0,0.04);
    font-size: clamp(5rem, 12vw, 9rem);
    font-weight: 700;
    line-height: 1;
    pointer-events: none;
    position: absolute;
    right: var(--space-md);
    top: var(--space-sm);
    user-select: none;
}

.stellen-card__header {
    align-items: center;
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: space-between;
}

/* Typ-Badge */
.stellen-card__type {
    color: var(--stelle-color, var(--color-accent));
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Frist */
.stellen-card__deadline {
    color: var(--color-gray-mid);
    font-size: var(--text-xs);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.stellen-card__deadline-label {
    color: var(--color-gray-mid);
    font-size: 0.65rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.stellen-card__title {
    color: var(--color-ink);
    font-size: var(--text-lg);
    font-weight: 500;
    line-height: 1.3;
    margin: 0;
}

.stellen-card__title-link {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.15s;
}

.stellen-card__title-link:hover { opacity: 0.75; }

.stellen-card__excerpt {
    color: var(--color-gray-mid);
    flex-grow: 1;
    font-size: var(--text-sm);
    line-height: 1.65;
    margin: 0;
}

.stellen-card__footer {
    align-items: center;
    border-top: 1px solid var(--color-gray-ultra);
    display: flex;
    gap: var(--space-sm);
    justify-content: space-between;
    padding-top: var(--space-sm);
}

.stellen-card__kontakt {
    color: var(--color-gray-mid);
    font-size: var(--text-xs);
}

.stellen-card__cta {
    color: var(--stelle-color, var(--color-accent));
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
}

.stellen-card__cta:hover { text-decoration: underline; }

/* Hero-Badges */
.badge--stelle {
    color: var(--stelle-color, var(--color-accent));
    border-color: currentColor;
    background: var(--color-accent-dim, rgba(0,168,120,0.08));
}
.badge--stelle-praktikum     { --stelle-color: #4A90E2; }
.badge--stelle-wissenschaftlich { --stelle-color: #8B5CF6; }

/* ── Einzelseite: Layout ─────────────────────────────────────── */
.stelle-body {
    padding: var(--space-xl) 0 var(--space-2xl);
}

.stelle-body__inner {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: 1fr 380px;
    align-items: start;
}

@media (max-width: 1024px) {
    .stelle-body__inner { grid-template-columns: 1fr; }
}

/* ── Details (linke Spalte) ──────────────────────────────────── */
.stelle-section {
    border-top: 1px solid var(--color-gray-ultra);
    padding-top: var(--space-md);
    margin-bottom: var(--space-lg);
}

.stelle-section:first-child { border-top: none; padding-top: 0; }

.stelle-section__title {
    color: var(--color-gray-mid);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
}

.stelle-list {
    color: var(--color-ink);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
}

.stelle-list li {
    font-size: var(--text-base);
    line-height: 1.65;
    padding-left: 1.2rem;
    position: relative;
}

.stelle-list li::before {
    color: var(--color-accent);
    content: '—';
    left: 0;
    position: absolute;
}

/* Ansprechperson */
.stelle-kontakt {
    border-top: 1px solid var(--color-gray-ultra);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding-top: var(--space-md);
}

.stelle-kontakt__label {
    color: var(--color-gray-mid);
    font-size: var(--text-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.stelle-kontakt__name {
    font-size: var(--text-base);
    font-weight: 500;
}

/* ── Formular-Wrapper (rechte Spalte, sticky) ────────────────── */
.stelle-body__form {
    position: sticky;
    top: calc(var(--space-lg) + 64px);
}

.stelle-form-wrap {
    background: var(--color-bg);
    border: 1px solid var(--color-gray-ultra);
    border-radius: var(--radius-md);
    color: var(--color-ink);
    padding: var(--space-lg);
}

.stelle-form-wrap__title {
    color: var(--color-ink);
    font-size: var(--text-lg);
    font-weight: 500;
    margin: 0 0 0.25rem;
}

.stelle-form-wrap__subtitle {
    color: var(--color-gray-mid);
    font-size: var(--text-sm);
    margin: 0 0 var(--space-md);
}

/* Formularfelder */
.stelle-form .form-label {
    color: var(--color-ink);
    display: block;
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.06em;
    margin-bottom: 0.4rem;
    text-transform: uppercase;
}

.stelle-form .form-label span { color: var(--color-accent); }

.stelle-form .form-input,
.stelle-form .form-textarea {
    background: var(--color-bg);
    border: 1px solid var(--color-gray-ultra);
    border-radius: var(--radius-sm);
    color: var(--color-ink);
    font-family: inherit;
    font-size: var(--text-base);
    outline: none;
    padding: 0.65rem 0.85rem;
    transition: border-color 0.2s;
    width: 100%;
}

.stelle-form .form-input::placeholder,
.stelle-form .form-textarea::placeholder { color: var(--color-gray-mid); }

.stelle-form .form-input:focus,
.stelle-form .form-textarea:focus { border-color: var(--color-accent); }

.stelle-form .form-textarea { resize: vertical; }

/* File-Input */
.stelle-form .form-file-input {
    background: var(--color-bg);
    border: 1px dashed var(--color-gray-ultra);
    border-radius: var(--radius-sm);
    color: var(--color-gray-mid);
    cursor: pointer;
    font-size: var(--text-sm);
    padding: 0.65rem 0.85rem;
    width: 100%;
}

.stelle-form .form-file-input:hover {
    border-color: var(--color-accent);
    color: var(--color-ink);
}

.stelle-form .form-group { margin-bottom: var(--space-sm); }

.stelle-form__submit {
    margin-top: var(--space-sm);
    width: 100%;
    justify-content: center;
}

.stelle-form__hinweis {
    color: var(--color-gray-mid);
    font-size: 0.7rem;
    line-height: 1.6;
    margin-top: var(--space-sm);
    text-align: center;
}

/* Honeypot verstecken */
.stelle-form__honeypot {
    display: none !important;
    visibility: hidden;
}

/* Fehlerbox */
.stelle-form-errors {
    background: rgba(220, 53, 69, 0.15);
    border: 1px solid rgba(220, 53, 69, 0.4);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    padding: var(--space-sm);
}

.stelle-form-errors p {
    color: #ff6b6b;
    font-size: var(--text-xs);
    margin: 0.2rem 0;
}

/* Erfolgs-Meldung */
.stelle-success {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg) 0;
    text-align: center;
}

.stelle-success__icon {
    align-items: center;
    background: var(--color-accent);
    border-radius: 50%;
    color: #fff;
    display: flex;
    font-size: 1.25rem;
    height: 3rem;
    justify-content: center;
    width: 3rem;
}

.stelle-success__title {
    color: var(--color-bg);
    font-size: var(--text-lg);
    font-weight: 500;
    margin: 0;
}

.stelle-success__text {
    color: rgba(255,255,255,0.55);
    font-size: var(--text-sm);
    margin: 0;
}

/* ── Archiv-Intro (Exklusivitäts-Framing) ────────────────────── */
.stellen-archiv__intro {
    align-items: baseline;
    border-top: 1px solid var(--color-gray-ultra);
    display: grid;
    gap: var(--space-md);
    grid-template-columns: minmax(200px, 1fr) 2fr;
    margin-bottom: var(--space-lg);
    padding-top: var(--space-md);
}

.stellen-archiv__count {
    align-items: baseline;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stellen-archiv__count-num {
    color: var(--color-ink, var(--color-black));
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 300;
    letter-spacing: -0.04em;
    line-height: 1;
}

.stellen-archiv__count-label {
    color: var(--color-gray-mid);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.stellen-archiv__lead {
    color: var(--color-gray-dark);
    font-size: var(--text-lg);
    line-height: 1.55;
    max-width: 54ch;
    margin: 0;
}

@media (max-width: 768px) {
    .stellen-archiv__intro { grid-template-columns: 1fr; gap: var(--space-sm); }
}

/* ── Karten: dezentes Exclusive-Polish ───────────────────────── */
.stellen-card {
    transition:
        transform    var(--duration-fast, 0.2s) var(--ease-out-quart, ease-out),
        box-shadow   var(--duration-fast, 0.2s) var(--ease-out-quart, ease-out),
        border-color var(--duration-fast, 0.2s) ease-out;
}

.stellen-card::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s ease-out;
    box-shadow: inset 0 0 0 1px var(--stelle-color, var(--color-accent));
    border-radius: inherit;
}

.stellen-card:hover::after { opacity: 0.5; }

.stellen-card:hover .stellen-card__ghost-number {
    color: rgba(0,0,0,0.07);
    transition: color 0.25s ease-out;
}

/* Nummerierung wird zur dezenten Reihenfolge-Anzeige */
.stellen-card__index {
    color: var(--color-gray-mid);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.12em;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .stellen-grid { grid-template-columns: 1fr; }
    .stelle-body__form { position: static; }
    .stelle-form-wrap { padding: var(--space-md); }
}


/* =============================================================
   Page: Datenschutzinformation (page-datenschutz.php)
   ============================================================= */

.ds-body {
    padding-block: var(--space-xl);
}

.ds-content {
    max-width: 72ch;
    margin-inline: auto;
}

.ds-intro {
    font-size: var(--text-lg, 1.125rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

/* Inhaltsverzeichnis */
.ds-toc {
    background: var(--color-gray-ultra);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-sm);
    padding: var(--space-md) var(--space-md) var(--space-md) calc(var(--space-md) + 1rem);
    margin-block: var(--space-lg);
}

.ds-toc__list {
    margin: 0;
    padding: 0;
    list-style-type: decimal;
    padding-left: 1.25rem;
}

.ds-toc__list li {
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
}

.ds-toc__list a {
    color: var(--color-text);
    text-decoration: none;
}

.ds-toc__list a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* Abschnitte */
.ds-section {
    margin-bottom: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-gray-ultra);
}

.ds-section:first-of-type {
    border-top: none;
}

.ds-section__title {
    font-size: var(--text-xl, 1.25rem);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    scroll-margin-top: 6rem;
}

.ds-section__subtitle {
    font-size: 1rem;
    font-weight: 600;
    margin-top: var(--space-md);
    margin-bottom: var(--space-xs);
}

.ds-section p {
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

.ds-list {
    margin: 0 0 var(--space-sm) var(--space-md);
    padding: 0;
    list-style-type: disc;
}

.ds-list li {
    margin-bottom: 0.35rem;
    line-height: 1.6;
}

.ds-address {
    font-style: normal;
    background: var(--color-gray-ultra);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    margin-block: var(--space-sm);
    line-height: 1.8;
}

.ds-stand {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-top: var(--space-lg);
}

@media (max-width: 600px) {
    .ds-content {
        max-width: 100%;
    }
}


/* =============================================================
   Page: Lokale Energiesysteme (page-lokale-energiesysteme.php)
   ============================================================= */

.les-section {
    padding-block: var(--space-xl);
}

.les-section + .les-section {
    border-top: 1px solid var(--color-gray-ultra);
}

/* ── 2. Herausforderung & Ansatz ─────────────────────────────── */
.les-challenge__inner {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
}

@media (max-width: 900px) {
    .les-challenge__inner { grid-template-columns: 1fr; }
}

.les-challenge__headline {
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin: 0.5rem 0 var(--space-sm);
}

.les-challenge__text p {
    color: var(--color-gray-dark);
    font-size: var(--text-lg);
    line-height: 1.65;
    margin: 0 0 1rem;
    max-width: 52ch;
}

.les-challenge__accent {
    border-left: 2px solid var(--color-accent);
    color: var(--color-black) !important;
    font-weight: 400;
    margin-top: var(--space-md) !important;
    padding-left: var(--space-sm);
}

/* ── Sektorenkopplungs-Diagramm ──────────────────────────────── */
.les-sector-hub {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.les-sector-hub__svg {
    width: 100%;
    max-width: 440px;
    height: auto;
}

.les-sector-hub__ring {
    stroke: var(--color-gray-ultra);
    stroke-width: 1;
    stroke-dasharray: 3 5;
}

.les-sector-hub__flow {
    stroke: var(--color-accent);
    stroke-width: 1.25;
    stroke-dasharray: 4 6;
    opacity: 0.55;
    animation: les-flow-dash 6s linear infinite;
}

.les-sector-hub__flow--2 { animation-delay: -1.2s; }
.les-sector-hub__flow--3 { animation-delay: -2.4s; }
.les-sector-hub__flow--4 { animation-delay: -3.6s; }
.les-sector-hub__flow--5 { animation-delay: -4.8s; }

@keyframes les-flow-dash {
    to { stroke-dashoffset: -100; }
}

.les-sector-hub__core circle {
    fill: var(--color-black);
    stroke: var(--color-accent);
    stroke-width: 1.5;
}

.les-sector-hub__core text {
    fill: #fff;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
}

.les-sector-hub__node circle {
    fill: var(--color-bg);
    stroke: var(--color-black);
    stroke-width: 1.25;
    transition: transform 0.3s var(--ease-out-quart), stroke 0.3s;
    transform-origin: center;
    transform-box: fill-box;
}

.les-sector-hub__node:hover circle {
    stroke: var(--color-accent);
    transform: scale(1.06);
}

.les-sector-hub__node text {
    fill: var(--color-black);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
    pointer-events: none;
}

.les-sector-hub__caption {
    color: var(--color-gray-mid);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    margin-top: var(--space-sm);
    text-transform: uppercase;
}

@media (prefers-reduced-motion: reduce) {
    .les-sector-hub__flow { animation: none; }
}

/* ── 3. Expertise ────────────────────────────────────────────── */
.les-expertise {
    background: var(--color-bg-subtle);
}

.les-section + .les-expertise { border-top: none; }

.les-expertise__lede {
    max-width: 720px;
    margin-bottom: var(--space-lg);
}

.les-expertise__headline {
    font-size: clamp(1.5rem, 2.8vw, 2.25rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin: 0.5rem 0 var(--space-sm);
}

.les-expertise__lede p {
    color: var(--color-gray-dark);
    font-size: var(--text-lg);
    line-height: 1.6;
    margin: 0;
}

.les-expertise__stats {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 800px) {
    .les-expertise__stats { grid-template-columns: 1fr; }
}

.les-stat {
    background: var(--color-bg);
    border-left: 2px solid var(--color-gray-ultra);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: var(--space-md) var(--space-md) var(--space-md) var(--space-sm);
    transition: border-color 0.3s ease;
}

.les-stat:hover { border-left-color: var(--color-accent); }

.les-stat--accent { border-left-color: var(--color-accent); }

.les-stat__num {
    color: var(--color-black);
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 300;
    letter-spacing: -0.03em;
    line-height: 1;
}

.les-stat__label {
    color: var(--color-black);
    font-size: var(--text-base);
    font-weight: 500;
    margin-top: 0.25rem;
}

.les-stat__context {
    color: var(--color-gray-mid);
    font-size: var(--text-sm);
    line-height: 1.5;
    margin-top: 0.25rem;
}

/* ── 4. Leistungsangebot ─────────────────────────────────────── */
.les-leistungen__header {
    max-width: 760px;
    margin-bottom: var(--space-lg);
}

.les-leistungen__headline {
    font-size: clamp(1.5rem, 2.8vw, 2.25rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin: 0.5rem 0 var(--space-sm);
}

.les-leistungen__lede {
    color: var(--color-gray-dark);
    font-size: var(--text-lg);
    line-height: 1.6;
    margin: 0;
}

.les-leistungen__grid {
    display: grid;
    gap: 1px;
    grid-template-columns: repeat(4, 1fr);
    background: var(--color-gray-ultra);
    border: 1px solid var(--color-gray-ultra);
}

@media (max-width: 900px) { .les-leistungen__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .les-leistungen__grid { grid-template-columns: 1fr; } }

.les-leistung {
    background: var(--color-bg);
    padding: var(--space-md);
    position: relative;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.les-leistung:hover {
    background: var(--color-bg-subtle);
}

.les-leistung__num {
    color: var(--color-accent);
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.les-leistung__title {
    color: var(--color-black);
    font-size: var(--text-base);
    font-weight: 500;
    line-height: 1.35;
    margin: 0 0 0.5rem;
}

.les-leistung__text {
    color: var(--color-gray-mid);
    font-size: var(--text-sm);
    line-height: 1.6;
    margin: 0;
}

/* ── 5. Anwendungsfelder (hell, statisch, 4 Karten) ─────────────── */
.les-anwendungsfelder {
    background: var(--color-bg);
    color: var(--color-ink);
}

.les-anwendungsfelder__header {
    max-width: 780px;
    margin-bottom: var(--space-lg);
}

.les-anwendungsfelder__headline {
    color: var(--color-ink);
    font-size: clamp(1.75rem, 3.2vw, 2.5rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin: 0.5rem 0 var(--space-sm);
}

.les-anwendungsfelder__lede {
    color: rgba(17,17,17,0.7);
    font-size: var(--text-lg);
    line-height: 1.6;
    margin: 0;
    max-width: 60ch;
}

/* Grid mit 4 Karten (2x2 auf Desktop) */
.les-anwendungsfelder__grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(2, 1fr);
    margin-top: var(--space-lg);
}

@media (max-width: 820px) {
    .les-anwendungsfelder__grid { grid-template-columns: 1fr; }
}

/* Einzelne Karte */
.les-anwendungsfeld {
    background: #ffffff;
    border: 1px solid rgba(17,17,17,0.08);
    color: var(--color-ink);
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: var(--space-md);
    padding: var(--space-md);
    text-decoration: none;
    transition:
        border-color 0.2s ease,
        transform    0.2s ease,
        box-shadow   0.2s ease;
}

@media (max-width: 600px) {
    .les-anwendungsfeld {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
}

.les-anwendungsfeld:hover,
.les-anwendungsfeld:focus-visible {
    border-color: var(--color-accent);
    box-shadow: 0 6px 24px rgba(17,17,17,0.06);
    transform: translateY(-2px);
    outline: none;
}

.les-anwendungsfeld__visual {
    align-self: start;
    background:
        linear-gradient(180deg, rgba(0,168,120,0.06) 0%, rgba(0,168,120,0.0) 100%),
        #f6f7f5;
    border: 1px solid rgba(17,17,17,0.05);
    display: block;
    padding: var(--space-sm);
}

.les-anwendungsfeld__visual svg { display: block; width: 100%; height: auto; }

/* Isometrische Ikonografie — dünne Striche, sanfte Flächen */
.les-iso__ground {
    fill: rgba(17,17,17,0.03);
    stroke: rgba(17,17,17,0.08);
    stroke-width: 1;
}

.les-iso__wall,
.les-iso__wall-r {
    fill: rgba(17,17,17,0.06);
    stroke: rgba(17,17,17,0.45);
    stroke-width: 1;
    stroke-linejoin: round;
}

.les-iso__wall-r { fill: rgba(17,17,17,0.12); }

.les-iso__roof {
    fill: #ffffff;
    stroke: rgba(17,17,17,0.55);
    stroke-width: 1;
    stroke-linejoin: round;
}

.les-iso__truck,
.les-iso__car {
    fill: rgba(0,168,120,0.15);
    stroke: var(--color-accent);
    stroke-width: 1;
    stroke-linejoin: round;
}

.les-iso__accent {
    fill: var(--color-accent);
    opacity: 0.25;
    stroke: var(--color-accent);
    stroke-width: 1;
    stroke-linejoin: round;
}

.les-iso__plug,
.les-iso__post,
.les-iso__floor {
    stroke: rgba(17,17,17,0.35);
    stroke-width: 1;
}

.les-iso__bolt {
    fill: none;
    stroke: var(--color-accent);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Karten-Inhalt */
.les-anwendungsfeld__body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.les-anwendungsfeld__num {
    color: var(--color-accent);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.les-anwendungsfeld__title {
    color: var(--color-ink);
    font-size: var(--text-xl);
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.25;
    margin: 0;
}

.les-anwendungsfeld__lead {
    color: rgba(17,17,17,0.72);
    font-size: var(--text-base);
    line-height: 1.55;
    margin: 0 0 0.25rem;
}

.les-anwendungsfeld__bullets {
    display: grid;
    gap: 0.2rem 1rem;
    grid-template-columns: repeat(2, 1fr);
    list-style: none;
    margin: 0 0 0.5rem;
    padding: 0;
}

@media (max-width: 600px) {
    .les-anwendungsfeld__bullets { grid-template-columns: 1fr; }
}

.les-anwendungsfeld__bullets li {
    color: rgba(17,17,17,0.82);
    font-size: var(--text-sm);
    line-height: 1.4;
    padding: 0.25rem 0 0.25rem 1rem;
    position: relative;
}

.les-anwendungsfeld__bullets li::before {
    color: var(--color-accent);
    content: "\00b7";
    font-size: 1.2em;
    left: 0.1rem;
    line-height: 1;
    position: absolute;
    top: 0.3rem;
}

.les-anwendungsfeld__cta {
    color: var(--color-accent);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-top: auto;
    transition: transform 0.2s ease;
}

.les-anwendungsfeld:hover .les-anwendungsfeld__cta,
.les-anwendungsfeld:focus-visible .les-anwendungsfeld__cta {
    transform: translateX(4px);
}
/* ------------------------------------------------------------
   Lokale Energiesysteme — PNG illustrations in application cards
   ------------------------------------------------------------ */

.les-anwendungsfeld__visual {
    overflow: hidden;
}

.les-anwendungsfeld__img {
    display: block;
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center;
}

/* ------------------------------------------------------------
   Lokale Energiesysteme — PNG illustrations without inner frame
   ------------------------------------------------------------ */

.les-anwendungsfeld__visual {
    padding: 0;
    border: none;
    background: transparent;
    overflow: hidden;
}

.les-anwendungsfeld__img {
    display: block;
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center;
}

/* ------------------------------------------------------------
   Kontaktformular — Datenschutz & Honeypot
   ------------------------------------------------------------ */

.kontakt-form__honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.kontakt-form__privacy {
    font-size: var(--text-xs);
    color: var(--color-gray-mid);
    line-height: 1.6;
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.kontakt-form__privacy a {
    color: var(--color-black);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ------------------------------------------------------------
   Über uns — ub-* Komponenten
   ------------------------------------------------------------ */

/* Positionierung — 2-spaltig */
.ub-positionierung {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.ub-positionierung__statement {
    font-size: var(--text-3xl);
    font-weight: 300;
    line-height: 1.15;
    margin: var(--space-xs) 0 0;
}

.ub-positionierung__rechts p {
    font-size: var(--text-base);
    color: var(--color-gray-mid);
    line-height: 1.75;
    margin-bottom: var(--space-sm);
}

.ub-positionierung__rechts p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .ub-positionierung {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    .ub-positionierung__statement {
        font-size: var(--text-2xl);
    }
}

/* Drei Säulen */
.ub-saeulensection {
    background-color: var(--color-bg-subtle);
}

.ub-saeulengrid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-md);
}


.ub-saeule {

    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-md);
}

.ub-saeule__nummer {
    font-size: var(--text-3xl);
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1;
}

.ub-saeule__titel {
    font-size: var(--text-lg);
    font-weight: 500;
    margin: 0;
    line-height: 1.2;
}

.ub-saeule__text {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 900px) {
    .ub-saeulengrid {
        grid-template-columns: 1fr;
        max-width: 540px;
    }
}

/* Referenzprojekte */
.ub-projekte-header {
    margin-bottom: var(--space-lg);
}

.ub-projekte-headline {
    font-size: var(--text-2xl);
    font-weight: 300;
    margin: var(--space-xs) 0 var(--space-xs);
}

.ub-projekte-subline {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    margin: 0;
    max-width: 60ch;
}

.ub-projekte-liste {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ub-projekt {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-top: 1px solid var(--color-gray-ultra);
    align-items: start;
}

.ub-projekt:last-child {
    border-bottom: 1px solid var(--color-gray-ultra);
}

.ub-projekt__num {
    font-size: var(--text-2xl);
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1.2;
    padding-top: 0.1rem;
}

.ub-projekt__name {
    font-size: var(--text-base);
    font-weight: 500;
    margin: 0 0 0.2rem;
    line-height: 1.3;
}

.ub-projekt__meta {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-accent);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.ub-projekt__partner {
    font-size: var(--text-xs);
    color: var(--color-gray-light);
    margin: 0 0 0.5rem;
    line-height: 1.5;
}

.ub-projekt__text {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    line-height: 1.65;
    margin: 0;
    max-width: 72ch;
}

.ub-link-row {
    margin-top: var(--space-md);
    padding-top: var(--space-sm);
}

@media (max-width: 540px) {
    .ub-projekt {
        grid-template-columns: 40px 1fr;
        gap: var(--space-sm);
    }
    .ub-projekt__num {
        font-size: var(--text-xl);
    }
}

/* Fraunhofer IAO */
.ub-iao-section {
    background-color: var(--color-bg-subtle);
}

.ub-iao {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.ub-iao__name {
    font-size: var(--text-2xl);
    font-weight: 300;
    line-height: 1.1;
    margin: var(--space-xs) 0 0.25rem;
}

.ub-iao__ort {
    font-size: var(--text-sm);
    color: var(--color-gray-light);
    margin: 0 0 var(--space-sm);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.ub-iao__link {
    font-size: var(--text-sm);
}

.ub-iao__rechts p {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    line-height: 1.75;
    margin-bottom: var(--space-sm);
}

.ub-iao__rechts p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .ub-iao {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

/* ------------------------------------------------------------
   Antriebsstrang — as-* Komponenten
   ------------------------------------------------------------ */

/* Eignungsmatrix */
.as-matrix-section {
    background-color: var(--color-bg-subtle);
}

.as-matrix-header {
    margin-bottom: var(--space-lg);
}

.as-matrix-headline {
    font-size: var(--text-2xl);
    font-weight: 300;
    margin: var(--space-xs) 0 var(--space-xs);
}

.as-matrix-subline {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    margin: 0;
}

.as-matrix-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.as-matrix {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
    background: var(--color-bg);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--color-gray-ultra);
}

.as-matrix thead tr {
    border-bottom: 2px solid var(--color-gray-ultra);
}

.as-matrix th,
.as-matrix td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-ultra);
    vertical-align: middle;
}

.as-matrix th {
    font-weight: 400;
    color: var(--color-gray-mid);
    white-space: nowrap;
}

.as-matrix__corner {
    min-width: 220px;
}

.as-matrix__tech-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-black);
    font-weight: 500;
}

.as-matrix__tech-sub {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-gray-light);
    letter-spacing: 0.05em;
    margin-top: 0.15rem;
}

.as-matrix tbody tr:last-child td {
    border-bottom: none;
}

.as-matrix tbody tr:hover {
    background-color: var(--color-bg-subtle);
}

.as-matrix__profil strong {
    display: block;
    font-weight: 500;
    color: var(--color-black);
    margin-bottom: 0.15rem;
}

.as-matrix__profil span {
    font-size: var(--text-xs);
    color: var(--color-gray-light);
}

.as-matrix__cell {
    text-align: center;
}

/* Dot-Indikatoren */
.as-dot {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    vertical-align: middle;
    flex-shrink: 0;
}

.as-dot--full {
    background-color: var(--color-accent);
}

.as-dot--half {
    background: linear-gradient(
        90deg,
        var(--color-accent) 50%,
        transparent 50%
    );
    border: 1.5px solid var(--color-accent);
}

.as-dot--none {
    border: 1.5px solid var(--color-gray-ultra);
    background: transparent;
}

/* Legende */
.as-matrix-legend {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-sm);
    flex-wrap: wrap;
}

.as-matrix-legend__item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: var(--text-xs);
    color: var(--color-gray-mid);
}

/* Vorgehen */
.as-vorgehen-header {
    margin-bottom: var(--space-lg);
}

.as-vorgehen-headline {
    font-size: var(--text-2xl);
    font-weight: 300;
    margin: var(--space-xs) 0 0;
}

.as-vorgehen-liste {
    list-style: none;
    padding: 0;
    margin: 0;
}

.as-vorgehen-schritt {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-top: 1px solid var(--color-gray-ultra);
    align-items: start;
}

.as-vorgehen-schritt:last-child {
    border-bottom: 1px solid var(--color-gray-ultra);
}

.as-vorgehen-schritt__num {
    font-size: var(--text-2xl);
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1.2;
    padding-top: 0.1rem;
}

.as-vorgehen-schritt__body h3 {
    font-size: var(--text-base);
    font-weight: 500;
    margin: 0 0 0.3rem;
}

.as-vorgehen-schritt__body p {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    line-height: 1.65;
    margin: 0;
    max-width: 60ch;
}

@media (max-width: 540px) {
    .as-vorgehen-schritt {
        grid-template-columns: 44px 1fr;
        gap: var(--space-sm);
    }
    .as-vorgehen-schritt__num {
        font-size: var(--text-xl);
    }
}

/* ------------------------------------------------------------
   Transportlogistik — tl-* Komponenten
   ------------------------------------------------------------ */

/* Zwei Forschungsfelder */
.tl-felder-section {
    background-color: var(--color-bg-subtle);
}

.tl-felder-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.tl-feld {
    padding: var(--space-lg);
    border: 1px solid var(--color-gray-ultra);
    border-radius: 4px;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.tl-feld--accent {
    border-color: var(--color-accent);
    border-width: 1.5px;
}

.tl-feld__nummer {
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gray-light);
}

.tl-feld--accent .tl-feld__nummer {
    color: var(--color-accent);
}

.tl-feld__titel {
    font-size: var(--text-2xl);
    font-weight: 300;
    margin: 0;
    line-height: 1.2;
}

.tl-feld__lead {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    line-height: 1.7;
    margin: 0;
}

.tl-feld__punkte {
    list-style: none;
    padding: 0;
    margin: var(--space-xs) 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.tl-feld__punkte li {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    padding-left: 1rem;
    position: relative;
}

.tl-feld__punkte li::before {
    content: '-';
    position: absolute;
    left: 0;
    color: var(--color-gray-ultra);
}

@media (max-width: 768px) {
    .tl-felder-grid {
        grid-template-columns: 1fr;
    }
}

/* Anwendungsszenarien */
.tl-szenarien-header {
    margin-bottom: var(--space-lg);
}

.tl-szenarien-headline {
    font-size: var(--text-2xl);
    font-weight: 300;
    margin: var(--space-xs) 0 0;
}

.tl-szenarien-liste {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.tl-szenario {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-lg);
    padding: var(--space-md) 0;
    border-top: 1px solid var(--color-gray-ultra);
}

.tl-szenario:last-child {
    border-bottom: 1px solid var(--color-gray-ultra);
}

.tl-szenario__meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-top: 0.2rem;
}

.tl-szenario__nummer {
    font-size: var(--text-2xl);
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1;
}

.tl-szenario__kontext {
    font-size: var(--text-xs);
    color: var(--color-gray-light);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.tl-szenario__titel {
    font-size: var(--text-lg);
    font-weight: 400;
    line-height: 1.3;
    margin: 0 0 var(--space-xs);
}

.tl-szenario__text {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    line-height: 1.7;
    max-width: 66ch;
    margin: 0 0 var(--space-sm);
}

.tl-szenario__link {
    font-size: var(--text-sm);
}

@media (max-width: 768px) {
    .tl-szenario {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    .tl-szenario__meta {
        flex-direction: row;
        align-items: baseline;
        gap: var(--space-sm);
    }
    .tl-szenario__nummer {
        font-size: var(--text-xl);
    }
}

/* ------------------------------------------------------------
   Tank- und Ladeinfrastruktur — tli-* Komponenten
   ------------------------------------------------------------ */

/* 2-spaltig Intro */
.tli-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.tli-intro__headline {
    font-size: var(--text-3xl);
    font-weight: 300;
    line-height: 1.15;
    margin: 0;
}

.tli-intro__right p {
    font-size: var(--text-base);
    color: var(--color-gray-mid);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

@media (max-width: 768px) {
    .tli-intro {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

/* Technologie-Karten */
.tli-tech-section {
    background-color: var(--color-bg-subtle);
}

.tli-tech-header {
    margin-bottom: var(--space-lg);
}

.tli-tech-headline {
    font-size: var(--text-2xl);
    font-weight: 300;
    margin: var(--space-xs) 0 0;
}

.tli-tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.tli-tech-card {
    background: var(--color-bg);
    border: 1px solid var(--color-gray-ultra);
    border-radius: 4px;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tli-tech-card__kuerzel {
    font-size: var(--text-2xl);
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1;
}

.tli-tech-card__titel {
    font-size: var(--text-base);
    font-weight: 500;
    margin: 0;
}

.tli-tech-card__leistung {
    font-size: var(--text-xs);
    color: var(--color-gray-mid);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.03em;
}

.tli-tech-card__text {
    font-size: var(--text-sm);
    color: var(--color-gray-mid);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 900px) {
    .tli-tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 540px) {
    .tli-tech-grid {
        grid-template-columns: 1fr;
    }
}