/* Reset und Grundstile */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a5490;
    --secondary-color: #2c7cc1;
    --accent-color: #f39c12;
    --text-dark: #2c3e50;
    --text-light: #ecf0f1;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    height: 60vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
    animation: wave 15s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    text-align: center;
    color: var(--text-light);
    z-index: 1;
    padding: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 1rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-top: 2rem;
    opacity: 0.95;
}

/* Fade-in Animationen */
.fade-in {
    animation: fadeIn 1s ease-in forwards;
    opacity: 0;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.5s forwards;
    opacity: 0;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 1s forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-20px);
    }
    60% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* Navigation */
.sticky-nav {
    position: sticky;
    top: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Vision Section */
.vision-section {
    padding: 35px 20px;
    background: var(--bg-light);
    margin-top: 0;
    position: relative;
    z-index: 2;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.vision-text {
    font-size: 1.2rem;
    line-height: 1.8;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* Theme Sections */
.theme-section {
    padding: 27px 20px;
    position: relative;
    background: var(--bg-white);
}

.theme-section:nth-child(even) {
    background: var(--bg-light);
}

.theme-header {
    text-align: center;
    margin-bottom: 60px;
}

.theme-hero-image {
    width: 100%;
    max-width: 425px;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    transition: var(--transition);
}

.theme-hero-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-hover);
}

.theme-title {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.theme-subtitle {
    font-size: 1.5rem;
    color: var(--secondary-color);
    font-style: italic;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* Program Cards */
.program-card {
    background: var(--bg-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.program-card:hover::before {
    transform: scaleX(1);
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.card-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.program-card:hover .card-image img {
    transform: scale(1.1);
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.card-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* CTA Section */
.cta-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.cta-signature {
    margin-top: 3rem;
    font-size: 1.2rem;
}

.cta-signature p {
    margin: 0.5rem 0;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--text-light);
    padding: 40px 20px;
    text-align: center;
}

.footer p {
    margin: 0.5rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.3rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
        display: none;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .theme-title {
        font-size: 2rem;
    }
    
    .theme-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
}

/* Zusätzliche Animationen */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Pulse Animation für wichtige Elemente */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(26, 84, 144, 0.7);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(26, 84, 144, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(26, 84, 144, 0);
    }
}

/* Smooth Scrolling für alle Browser */
html {
    scroll-padding-top: 80px;
}