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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    min-height: 100vh;
}

/* Header */
.header {
    padding: 2rem 2rem 1rem;
    text-align: center;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.tagline {
    color: #666;
    font-size: 1rem;
    font-weight: 400;
}

/* Hero Section */
.hero {
    padding: 4rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto 2rem;
    font-weight: 400;
}

.scroll-indicator {
    margin-top: 2rem;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 1.5rem;
    color: #667eea;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Introduction Section */
.introduction {
    padding: 4rem 2rem;
    background: #fff;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-content h3 {
    font-size: 2.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 2rem;
}

.intro-content p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* Thanks Section */
.thanks-section {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02), rgba(118, 75, 162, 0.02));
}

.thanks-section h3 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 3rem;
}

.thanks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.thanks-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.thanks-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.thanks-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
}

.thanks-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* HTML-Formatierung in den Karten */
.thanks-card p strong,
.thanks-card p b {
    font-weight: 600;
    color: #2d3748;
}

.thanks-card p em,
.thanks-card p i {
    font-style: italic;
    color: #667eea;
}

.thanks-card p u {
    text-decoration: underline;
    text-decoration-color: #667eea;
}

.thanks-card p br {
    line-height: 1.8;
}

.thanks-card .gallery-trigger {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto;
}

.thanks-card .gallery-trigger:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.thanks-card .gallery-trigger:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Miniatur-Galerie */
.thumbnail-gallery {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 0.5rem;
    max-width: 100%;
}

.thumbnail-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnail-item:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

.thumbnail-item:hover img {
    transform: scale(1.1);
}

.thumbnail-placeholder {
    color: #999;
    font-size: 0.8rem;
    text-align: center;
    padding: 1rem;
}

.thumbnail-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    font-size: 0.7rem;
    font-weight: 500;
}

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

.thumbnail-count {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    background: rgba(102, 126, 234, 0.9);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
}

/* Gallery Overlay */
.gallery-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.gallery-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-container {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.gallery-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.gallery-close:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.gallery-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.gallery-nav:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: translateY(-50%) scale(1.1);
}

.gallery-prev {
    left: 1rem;
}

.gallery-next {
    right: 1rem;
}

.gallery-image-container {
    max-width: 80vw;
    max-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-image-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.gallery-counter {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    background: #2d3748;
    color: #a0aec0;
}

.footer-content p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .intro-content h3,
    .thanks-section h3 {
        font-size: 2rem;
    }
    
    .thanks-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .thanks-card {
        padding: 1.5rem;
    }
    
    .gallery-nav {
        width: 40px;
        height: 40px;
    }
    
    .gallery-prev {
        left: 0.5rem;
    }
    
    .gallery-next {
        right: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        margin: 0;
        border-radius: 0;
    }
    
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .introduction,
    .thanks-section {
        padding: 2rem 1rem;
    }
    
    .thanks-card {
        padding: 1rem;
    }
}