/* =============================================
   FÖRDERACER ONE-PAGE WEBSITE - CSS STYLES
   ============================================= */

/* inter-300 - latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300;
  src: url('../fonts/inter-v20-latin-300.woff2') format('woff2');
}
/* inter-400 - latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/inter-v20-latin-regular.woff2') format('woff2');
}
/* inter-500 - latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  src: url('../fonts/inter-v20-latin-500.woff2') format('woff2');
}
/* inter-600 - latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  src: url('../fonts/inter-v20-latin-600.woff2') format('woff2');
}
/* inter-700 - latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  src: url('../fonts/inter-v20-latin-700.woff2') format('woff2');
}


/* CSS Variables */
:root {
    --primary-color: #0047AB;
    --primary-dark: #003380;
    --secondary-color: #1a1a2e;
    --accent-color: #00A8E8;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --dark-bg: #0f0f1a;
    --dark-secondary: #1a1a2e;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: 16px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 200px; /* Deine Wunschgröße */
    width: auto;
    margin-top: -70px;    /* Zieht das Logo nach oben */
    margin-bottom: -80px; /* Verhindert, dass es die Navbar nach unten drückt */
    vertical-align: middle;
}
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    color: var(--gray-400);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--white);
    left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    overflow: hidden;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%230047AB' fill-opacity='0.3' d='M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,208C1248,224,1344,192,1392,176L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") repeat-x;
    background-size: 50% 100%;
    animation: wave 20s linear infinite;
}

.wave2 {
    opacity: 0.5;
    animation-delay: -5s;
    animation-duration: 15s;
}

.wave3 {
    opacity: 0.3;
    animation-delay: -10s;
    animation-duration: 25s;
}

@keyframes wave {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.hero-content {
    text-align: center;
    z-index: 10;
    padding: 0 24px;
}

.hero-title {
    color: var(--white);
    margin-bottom: 24px;
}

.hero-logo {
    margin-bottom: 24px;
}

.hero-logo-img {
    max-width: 450px;
    width: 80%;
    height: auto;
    margin: 0 auto;
}

.title-line {
    display: block;
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    letter-spacing: 6px;
    text-shadow: 0 4px 30px rgba(0, 71, 171, 0.5);
}

.title-sub {
    display: block;
    font-size: clamp(0.9rem, 2.5vw, 1.25rem);
    font-weight: 300;
    letter-spacing: 3px;
    color: var(--accent-color);
    margin-top: 8px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray-400);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--gray-500);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--gray-600);
    border-radius: 12px;
    margin: 8px auto 0;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 71, 171, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--gray-600);
}

.btn-secondary:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1rem;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section.dark {
    background: var(--dark-bg);
    color: var(--white);
}

.section.accent {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.section-tag.light {
    color: var(--accent-color);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

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

.section-description {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.section.dark .section-description {
    color: var(--gray-400);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    font-size: 1rem;
    color: var(--gray-700);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-text.lead {
    font-size: 1.125rem;
    color: var(--gray-800);
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 32px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.about-image .image-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image .image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Projects Section */
.project-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.project-detail-grid.reverse {
    direction: rtl;
}

.project-detail-grid.reverse > * {
    direction: ltr;
}

.project-detail-content h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
    color: var(--white);
}

.project-detail-content p {
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: 20px;
}

.project-badge-inline {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    color: var(--gray-300);
}

.project-badge-inline.completed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.project-badge-inline.current {
    background: rgba(0, 168, 232, 0.2);
    color: var(--accent-color);
}

.project-specs-inline {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.project-specs-inline span {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.project-specs-inline strong {
    color: var(--accent-color);
}

.image-card.placeholder {
    background: linear-gradient(135deg, var(--dark-secondary) 0%, rgba(0, 71, 171, 0.2) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    color: var(--gray-500);
}

.image-card.placeholder i {
    font-size: 3rem;
    margin-bottom: 12px;
}

/* Sustainability Section */
.sustainability-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.sustainability-text p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 24px;
}

.sustainability-list {
    list-style: none;
}

.sustainability-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sustainability-list i {
    color: var(--accent-color);
    width: 24px;
}

.sustainability-stats {
    text-align: center;
}

.big-stat {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.big-stat-number {
    display: block;
    font-size: 5rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}

.big-stat-label {
    display: block;
    margin-top: 16px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

/* Team Section */
.departments-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.department-card {
    text-align: center;
    padding: 24px 16px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.department-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.department-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.department-card h4 {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.department-card p {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.team-cta {
    text-align: center;
    padding: 40px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
}

.team-cta p {
    margin-bottom: 16px;
    font-size: 1.1rem;
}

/* Events Section */
.competitions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.competition-item {
    background: var(--dark-secondary);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.competition-item:hover {
    transform: translateY(-4px);
}

.competition-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.competition-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.competition-item h4 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--white);
}

.competition-item p {
    font-size: 0.9rem;
    color: var(--gray-400);
    margin-bottom: 16px;
}

.competition-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 168, 232, 0.2);
    color: var(--accent-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Achievements */
.achievements-section {
    margin-bottom: 60px;
}

.achievements-section h3 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--white);
}

.achievements-timeline {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--dark-secondary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--gray-600);
}

.achievement-item.highlight {
    border-left-color: var(--accent-color);
    background: rgba(0, 168, 232, 0.1);
}

.achievement-item .year {
    font-weight: 700;
    color: var(--accent-color);
}

.achievement-item .text {
    color: var(--gray-300);
    font-size: 0.9rem;
}

/* Gallery */
.gallery-section h3 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 16px 16px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Sponsors Section */
.sponsors-tier {
    margin-bottom: 50px;
}

.sponsors-tier h3 {
    text-align: center;
    margin-bottom: 24px;
    font-size: 1.1rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.sponsors-logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
}

.sponsor-logo-card {
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    transition: all var(--transition-normal);
}

.sponsor-logo-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.sponsor-logo-img {
    max-width: 100%;
    max-height: 70px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(20%);
    transition: filter var(--transition-normal);
}

.sponsor-logo-card:hover .sponsor-logo-img {
    filter: grayscale(0%);
}

.sponsors-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.sponsors-grid.premium {
    gap: 40px;
}

.sponsor-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 32px 48px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.sponsor-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.sponsor-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.sponsor-card span {
    font-weight: 600;
    color: var(--gray-800);
}

.sponsor-badge {
    padding: 12px 24px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.sponsor-badge:hover {
    background: var(--primary-color);
    color: var(--white);
}

.sponsor-cta {
    text-align: center;
    margin-top: 40px;
}

.sponsor-cta p {
    margin-bottom: 16px;
    color: var(--gray-600);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
}

.contact-form {
    background: var(--dark-secondary);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--white);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.08);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-500);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-info-item i {
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-bottom: 4px;
}

.contact-info-item p {
    color: var(--white);
}

.contact-info-item a {
    color: var(--accent-color);
}

.contact-info-item a:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-links a {
    width: 48px;
    height: 48px;
    background: var(--dark-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-4px);
}

/* Footer */
.footer {
    background: var(--dark-secondary);
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center; /* Zentriert Logo und Text horizontal */
    text-align: center;
    margin-bottom: 2rem; /* Abstand zu den Links */
    width: 100%;
}

.footer-brand p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.footer-logo-img {
    height: 60px; /* Erhöhe diesen Wert, um das Logo zu vergrößern */
    width: auto;
    margin-bottom: 10px;
    display: block;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
}

.copyright {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .departments-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .competitions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--dark-bg);
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .about-grid,
    .project-detail-grid,
    .project-detail-grid.reverse,
    .sustainability-content,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .project-detail-grid.reverse {
        direction: ltr;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .departments-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .competitions-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .achievements-timeline {
        flex-direction: column;
    }
    
    .achievement-item {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 60px 0;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .departments-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 24px;
    }
}

/* Page Header for Impressum */
.page-header {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-color) 100%);
    padding: 140px 0 60px;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Impressum Page Styles */
.impressum-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.impressum-content h2 {
    font-size: 1.75rem;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--dark-bg);
}

.impressum-content h2:first-child {
    margin-top: 0;
}

.impressum-content h3 {
    font-size: 1.25rem;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--dark-bg);
}

.impressum-content p {
    margin-bottom: 16px;
    color: var(--gray-700);
}

.impressum-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.impressum-content a:hover {
    text-decoration: underline;
}

.copyright a {
    color: var(--white);
    text-decoration: underline;
}

.copyright a:hover {
    opacity: 0.8;
}