/* ════════════════════════════════════════════════════════
   FLEXCITY — Design System
   Jakob Nigsch & Nicolai Ruetz · HTBLuVA Imst · 2026
   ════════════════════════════════════════════════════════ */

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

/* ─── Custom Properties ───────────────────────────────── */
:root {
    /* Brand – aus dem Cover-PDF */
    --dark:        #2D2D2B;
    --dark-deep:   #1E1E1C;
    --gold:        #C8A800;
    --gold-light:  #D4BC5A;
    --gold-dim:    rgba(200, 168, 0, 0.18);

    /* Hintergründe */
    --bg:          #F7F4EF;
    --sand:        #E8E0CC;

    /* Text */
    --text:        #3D3D3B;
    --text-muted:  #8C8C86;

    /* Projektfarben aus Renderings */
    --olive:       #6B7A3E;
    --graphite:    #4A4A48;
    --wood:        #C8A96E;

    /* Typografie */
    --serif:       'Cormorant Garamond', 'Playfair Display', Georgia, serif;
    --sans:        'Inter', system-ui, -apple-system, sans-serif;

    /* Abstände */
    --section-py:  clamp(72px, 11vw, 130px);
    --gap-px:      clamp(20px, 5vw, 80px);
}

/* ─── Base ────────────────────────────────────────────── */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--sans);
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

/* ─── Container ───────────────────────────────────────── */
.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 var(--gap-px);
}

/* ─── Section Header ──────────────────────────────────── */
.section-header {
    margin-bottom: clamp(44px, 7vw, 88px);
}

.section-label {
    display: inline-block;
    font-family: var(--sans);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 14px;
}

.section-title {
    font-family: var(--serif);
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 300;
    line-height: 1.08;
    letter-spacing: 0.02em;
    color: var(--dark);
}

.section-title--light {
    color: var(--bg);
}

/* ─── Buttons ─────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    font-family: var(--sans);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    transition: background 0.22s, color 0.22s, border-color 0.22s;
}

.btn--primary {
    background: var(--gold);
    color: var(--dark);
}

.btn--primary:hover {
    background: var(--gold-light);
}

.btn--ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.36);
}

.btn--ghost:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* ─── Reveal Animation ────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.72s ease, transform 0.72s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.10s; }
.reveal-delay-2 { transition-delay: 0.20s; }
.reveal-delay-3 { transition-delay: 0.30s; }


/* ════════════════════════════════════════════════════════
   NAVIGATION
   ════════════════════════════════════════════════════════ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 var(--gap-px);
    transition: background 0.32s, box-shadow 0.32s;
}

.nav--scrolled {
    background: rgba(29, 29, 27, 0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 1px 0 var(--gold-dim);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1320px;
    margin: 0 auto;
}

/* Logo */
.nav__logo {
    display: flex;
    align-items: center;
    gap: 13px;
    flex-shrink: 0;
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
    filter: invert(1) hue-rotate(180deg);
}

.logo-img--footer {
    height: 33px;
}

.nav__logo-text {
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: #fff;
    text-transform: uppercase;
}

/* Links */
.nav__links {
    display: flex;
    align-items: center;
    gap: 38px;
}

.nav__links a {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
    transition: color 0.2s;
    position: relative;
    padding-bottom: 3px;
}

.nav__links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.26s;
}

.nav__links a:hover { color: #fff; }
.nav__links a:hover::after { width: 100%; }

/* Burger */
.nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav__burger span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: #fff;
    transition: 0.28s;
}

.nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }


/* ════════════════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    height: 100svh;
    min-height: 600px;
    display: flex;
    align-items: flex-start;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
}

.hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 55%;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        108deg,
        rgba(30, 30, 28, 0.92) 0%,
        rgba(30, 30, 28, 0.72) 48%,
        rgba(30, 30, 28, 0.26) 100%
    );
}

/* Content */
.hero__content {
    position: relative;
    z-index: 2;
    max-width: 1320px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--gap-px);
    padding-top: clamp(120px, 18vw, 160px);
}

.hero__label {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 28px;
}

.hero__title {
    display: flex;
    flex-direction: column;
    margin-bottom: 28px;
}

.hero__title-main {
    font-family: var(--serif);
    font-size: clamp(4.5rem, 13vw, 10rem);
    font-weight: 300;
    letter-spacing: 0.06em;
    line-height: 0.88;
    color: #fff;
    text-transform: uppercase;
}

.hero__title-sub {
    font-family: var(--serif);
    font-size: clamp(1.1rem, 2.8vw, 2rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--sand);
    text-transform: uppercase;
    margin-top: 10px;
    padding-left: 5px;
}

.hero__desc {
    max-width: 460px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.97rem;
    line-height: 1.75;
    margin-bottom: 44px;
}

.hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 44px;
    left: var(--gap-px);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.hero__scroll span {
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    writing-mode: vertical-rl;
}

.hero__scroll-line {
    width: 1px;
    height: 56px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scroll-pulse 2.2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
    51%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0.3; }
}

/* Accent lines (vom Cover inspiriert) */
.hero__accent-v {
    position: absolute;
    left: calc(var(--gap-px) + 100px);
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent 5%,
        rgba(200, 168, 0, 0.35) 25%,
        rgba(200, 168, 0, 0.35) 75%,
        transparent 95%
    );
    z-index: 1;
}

.hero__accent-h {
    position: absolute;
    bottom: 88px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        to right,
        transparent 0%,
        var(--gold) 18%,
        var(--gold) 62%,
        transparent 100%
    );
    opacity: 0.25;
    z-index: 1;
}


/* ════════════════════════════════════════════════════════
   KONZEPT
   ════════════════════════════════════════════════════════ */
.konzept {
    padding: var(--section-py) 0;
    background: var(--bg);
}

.konzept__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
}

.konzept__card {
    padding: clamp(36px, 5.5vw, 64px);
}

.konzept__card--dark {
    background: var(--dark);
}

.konzept__card--light {
    background: var(--sand);
}

.konzept__card-nr {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 28px;
}

.konzept__quote {
    font-family: var(--serif);
    font-size: clamp(1.05rem, 1.9vw, 1.45rem);
    font-style: italic;
    font-weight: 300;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 24px;
    padding-left: 22px;
    border-left: 2px solid var(--gold);
}

.konzept__card-title {
    font-family: var(--serif);
    font-size: clamp(1.4rem, 2.4vw, 2rem);
    font-weight: 400;
    color: var(--dark);
    margin-bottom: 18px;
    line-height: 1.2;
}

.konzept__text {
    font-size: 0.93rem;
    line-height: 1.78;
    color: rgba(255, 255, 255, 0.68);
    margin-bottom: 22px;
}

.konzept__text--dark {
    color: var(--graphite);
}

.konzept__list {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.konzept__list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.88rem;
    color: var(--graphite);
    font-weight: 400;
}

.konzept__list li::before {
    content: '';
    display: block;
    width: 22px;
    height: 1px;
    background: var(--gold);
    flex-shrink: 0;
}


/* ════════════════════════════════════════════════════════
   STATS
   ════════════════════════════════════════════════════════ */
.stats {
    background: var(--dark);
    padding: clamp(52px, 8vw, 88px) 0;
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--gold-dim);
}

.stats__item {
    padding: clamp(30px, 4.5vw, 52px) 24px;
    text-align: center;
    background: var(--dark);
    transition: background 0.22s;
}

.stats__item:hover {
    background: #343432;
}

.stats__number {
    font-family: var(--serif);
    font-size: clamp(2rem, 4.5vw, 3.6rem);
    font-weight: 300;
    color: var(--gold);
    letter-spacing: 0.02em;
    line-height: 1;
    margin-bottom: 10px;
}

.stats__label {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.44);
}


/* ════════════════════════════════════════════════════════
   MODULE
   ════════════════════════════════════════════════════════ */
.module {
    padding: var(--section-py) 0;
    background: var(--bg);
}

.module__overview {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(40px, 7vw, 96px);
    align-items: start;
}

.module__img-wrap img {
    width: 100%;
    border: 1px solid var(--sand);
}

.module__img-caption {
    margin-top: 10px;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.module__types {
    display: flex;
    flex-direction: column;
}

.module__type {
    display: flex;
    gap: 22px;
    padding: 26px 0;
    border-bottom: 1px solid var(--sand);
}

.module__type:first-child { padding-top: 0; }
.module__type:last-child  { border-bottom: none; }

.module__type-nr {
    font-family: var(--serif);
    font-size: 2rem;
    font-weight: 300;
    color: var(--gold);
    line-height: 1;
    min-width: 38px;
    padding-top: 2px;
}

.module__type-info h4 {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dark);
    margin-bottom: 7px;
}

.module__type-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
}


/* ════════════════════════════════════════════════════════
   GALERIE
   ════════════════════════════════════════════════════════ */
.galerie {
    padding: var(--section-py) 0;
    background: var(--dark);
}

.galerie .container {
    margin-bottom: clamp(36px, 5.5vw, 64px);
}

.galerie__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
    padding: 0 3px;
}

.galerie__item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    cursor: zoom-in;
    background: #1a1a18;
}

.galerie__item--wide {
    grid-column: span 2;
    aspect-ratio: 16 / 9;
}

.galerie__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
    display: block;
}

.galerie__item:hover img {
    transform: scale(1.05);
}

.galerie__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 14px 18px;
    background: linear-gradient(transparent, rgba(20, 20, 18, 0.88));
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.galerie__item:hover .galerie__caption {
    transform: translateY(0);
}


/* ════════════════════════════════════════════════════════
   INNENRAUM
   ════════════════════════════════════════════════════════ */
.innenraum {
    padding: var(--section-py) 0;
    background: var(--bg);
}

.innenraum__split {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: clamp(44px, 7vw, 96px);
    align-items: start;
}

.innenraum__feature {
    padding-bottom: 30px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--sand);
}

.innenraum__feature:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.innenraum__feature h3 {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 9px;
}

.innenraum__feature p {
    font-size: 0.91rem;
    color: var(--text-muted);
    line-height: 1.74;
}

.innenraum__images {
    display: flex;
    flex-direction: column;
    gap: 3px;
    position: sticky;
    top: 90px;
}

.innenraum__img-main img {
    width: 100%;
    height: 390px;
    object-fit: cover;
}

.innenraum__img-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
}

.innenraum__img-row img {
    width: 100%;
    height: 210px;
    object-fit: cover;
}


/* ════════════════════════════════════════════════════════
   MATERIALIEN
   ════════════════════════════════════════════════════════ */
.materialien {
    padding: var(--section-py) 0;
    background: var(--dark);
}

.materialien__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--gold-dim);
}

.materialien__card {
    background: var(--dark);
    padding: 40px 28px;
    transition: background 0.24s;
}

.materialien__card:hover {
    background: rgba(200, 168, 0, 0.04);
}

.materialien__icon {
    width: 40px;
    height: 40px;
    margin-bottom: 24px;
}

.materialien__icon svg {
    width: 100%;
    height: 100%;
}

.materialien__card h4 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 8px;
}

.materialien__card p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.55;
    margin-bottom: 6px;
}

.materialien__card small {
    display: block;
    font-size: 0.74rem;
    color: rgba(200, 168, 0, 0.65);
    line-height: 1.5;
}


/* ════════════════════════════════════════════════════════
   TEAM
   ════════════════════════════════════════════════════════ */
.team {
    padding: var(--section-py) 0;
    background: var(--bg);
}

.team__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
    margin-bottom: 64px;
}

.team__card {
    display: flex;
    gap: 30px;
    padding: clamp(36px, 5vw, 52px);
    background: var(--dark);
    align-items: flex-start;
}

.team__initials {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    border: 1px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--gold);
    letter-spacing: 0.04em;
}

.team__info h3 {
    font-family: var(--serif);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 300;
    color: #fff;
    margin-bottom: 4px;
}

.team__role {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
}

.team__contacts {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.team__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.48);
    transition: color 0.22s;
}

.team__link:hover {
    color: var(--gold);
}

/* School info bar */
.team__school {
    display: flex;
    align-items: center;
    gap: 24px;
}

.team__school-line {
    flex: 1;
    height: 1px;
    background: var(--sand);
}

.team__school-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.74rem;
    color: var(--text-muted);
    white-space: nowrap;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
}

.team__school-info .sep {
    color: var(--gold);
}


/* ════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════ */
.footer {
    background: var(--dark-deep);
    padding: 52px 0 28px;
    border-top: 1px solid var(--gold-dim);
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    flex-wrap: wrap;
    gap: 28px;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 18px;
}

.footer__title {
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: #fff;
}

.footer__subtitle {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.36);
    margin-top: 2px;
}

.footer__nav {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer__nav a {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.38);
    transition: color 0.2s;
}

.footer__nav a:hover {
    color: var(--gold);
}

.footer__bottom {
    padding-top: 28px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer__bottom p {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.22);
    letter-spacing: 0.05em;
}

.footer__legal-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer__legal-sep {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.12);
}

.footer__datenschutz-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.18);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0;
    transition: color 0.2s;
}

.footer__datenschutz-btn:hover {
    color: rgba(255, 255, 255, 0.5);
}

/* ── Datenschutz Modal ───────────────────── */
.ds-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9000;
    align-items: center;
    justify-content: center;
}

.ds-modal.is-open {
    display: flex;
}

.ds-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
}

.ds-modal__box {
    position: relative;
    z-index: 1;
    background: var(--bg);
    color: var(--text);
    max-width: 680px;
    width: calc(100% - 48px);
    max-height: 85vh;
    overflow-y: auto;
    border-radius: 4px;
    padding: 48px 44px 40px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.ds-modal__box h2 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--dark);
    margin: 0 0 28px;
}

.ds-modal__box h3 {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--gold);
    margin: 24px 0 8px;
}

.ds-modal__box p {
    font-size: 0.82rem;
    line-height: 1.7;
    color: var(--text);
    margin: 0 0 10px;
}

.ds-modal__box a {
    color: var(--gold);
    text-decoration: underline;
}

.ds-modal__close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.6rem;
    line-height: 1;
    color: var(--text);
    opacity: 0.45;
    transition: opacity 0.2s;
}

.ds-modal__close:hover {
    opacity: 1;
}

.ds-modal__date {
    margin-top: 20px;
    font-size: 0.7rem !important;
    color: rgba(0, 0, 0, 0.3) !important;
}

@media (max-width: 500px) {
    .ds-modal__box {
        padding: 36px 24px 28px;
    }
}


/* ════════════════════════════════════════════════════════
   LIGHTBOX
   ════════════════════════════════════════════════════════ */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.94);
    align-items: center;
    justify-content: center;
    padding: 24px;
    cursor: zoom-out;
}

.lightbox.open {
    display: flex;
}

.lightbox__img {
    max-width: 90vw;
    max-height: 88vh;
    object-fit: contain;
    cursor: default;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
    animation: lb-in 0.22s ease;
}

@keyframes lb-in {
    from { opacity: 0; transform: scale(0.96); }
    to   { opacity: 1; transform: scale(1); }
}

.lightbox__close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.55);
    font-size: 2.2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
    z-index: 10;
}

.lightbox__close:hover {
    color: var(--gold);
}


/* ─── Video-Section ──────────────────────────────────── */
.video-section {
    background: var(--dark-deep);
    padding: var(--section-py) 0;
}

.video-section__player {
    max-width: 960px;
    margin: 0 auto;
    border: 1px solid rgba(200, 168, 0, 0.2);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.video-section__player video {
    width: 100%;
    display: block;
}

/* ════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════ */

/* ── 1024px ── */
@media (max-width: 1024px) {
    .materialien__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── 900px ── */
@media (max-width: 900px) {
    /* Nav */
    .nav__links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(29, 29, 27, 0.98);
        padding: 24px var(--gap-px) 32px;
        flex-direction: column;
        gap: 22px;
        border-top: 1px solid var(--gold-dim);
    }

    .nav__links.open { display: flex; }
    .nav__burger { display: flex; }

    /* Layouts */
    .konzept__grid       { grid-template-columns: 1fr; }
    .stats__grid         { grid-template-columns: repeat(2, 1fr); }
    .module__overview    { grid-template-columns: 1fr; }
    .innenraum__split    { grid-template-columns: 1fr; }
    .innenraum__images   { position: static; }
    .team__grid          { grid-template-columns: 1fr; }
    .footer__inner       { flex-direction: column; align-items: flex-start; }

    .galerie__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team__school {
        flex-direction: column;
        gap: 16px;
    }

    .team__school-line { width: 100%; }

    .team__school-info {
        flex-direction: column;
        gap: 5px;
    }

    .team__school-info .sep { display: none; }
}

/* ── 640px ── */
@media (max-width: 640px) {
    .hero__accent-v { display: none; }
    .hero__title-main { letter-spacing: 0.04em; }

    .galerie__grid {
        grid-template-columns: 1fr;
        gap: 2px;
        padding: 0 2px;
    }

    .galerie__item--wide {
        grid-column: span 1;
        aspect-ratio: 4 / 3;
    }

    .galerie__caption { transform: translateY(0); }

    .innenraum__img-row { grid-template-columns: 1fr; }
    .innenraum__img-row img { height: 220px; }

    .materialien__grid { grid-template-columns: 1fr; }

    .team__card { flex-direction: column; gap: 20px; }

    .footer__nav { gap: 18px; }
}

/* ── 400px ── */
@media (max-width: 400px) {
    .stats__grid { grid-template-columns: 1fr; }
    .hero__actions { flex-direction: column; }
    .btn { justify-content: center; }
}