/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #8e44ad;
    --accent-color: #e74c3c;
    --gold-color: #f39c12;
    --light-bg: #ecf0f1;
    --dark-bg: #34495e;
    --text-dark: #2c3e50;
    --text-light: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.2);
}

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;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo img {
    height: 50px;
    width: auto;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

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

.btn-member {
    background: var(--gradient-1);
    color: white !important;
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-member:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-member::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
                url('Uploads/Verein.jpeg') center center no-repeat;
    background-size: 77%;
    background-attachment: scroll;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 2rem;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.5rem;
    margin: 2rem 0;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #d946ef 0%, #c026d3 100%);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(217, 70, 239, 0.5);
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(217, 70, 239, 0.7);
    background: linear-gradient(135deg, #e879f9 0%, #d946ef 100%);
}

.cta-button.large {
    font-size: 1.4rem;
    padding: 1.2rem 3rem;
}

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

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

.fade-in.delay-1 {
    animation-delay: 0.3s;
}

.fade-in.delay-2 {
    animation-delay: 0.6s;
}

.fade-in.delay-3 {
    animation-delay: 0.9s;
}

.fade-in.delay-4 {
    animation-delay: 1.2s;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.underline {
    width: 100px;
    height: 4px;
    background: var(--gradient-1);
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

blockquote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--secondary-color);
    border-left: 4px solid var(--secondary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

/* Concert Section */
.concert {
    background: white;
}

.concert-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.concert-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
}

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

.concert-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.concert-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.concert-card p {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.address {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Mission Section */
.mission {
    background: var(--gradient-1);
    color: white;
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: center;
}

.mission-image {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.mission-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.mission-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.mission-list li {
    padding: 0.8rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

/* FAQ Section */
.faq {
    background: var(--light-bg);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--light-bg);
}

.faq-question h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.faq-toggle {
    font-size: 2rem;
    color: var(--secondary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(rgba(240, 147, 251, 0.85), rgba(245, 87, 108, 0.85)),
                url('Uploads/Rose.jpeg') center/cover no-repeat;
    background-attachment: fixed;
    color: white;
    text-align: center;
    padding: 5rem 0;
}

.cta-section h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.membership-info {
    margin-top: 2rem;
    font-size: 1rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--gold-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    color: white !important;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.facebook-link {
    background: #1877f2;
    box-shadow: 0 4px 15px rgba(24, 119, 242, 0.4);
}

.facebook-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(24, 119, 242, 0.6);
    background: #0d65d9;
}

.instagram-link {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    box-shadow: 0 4px 15px rgba(188, 24, 136, 0.4);
}

.instagram-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(188, 24, 136, 0.6);
}

.youtube-link {
    background: #ff0000;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.4);
}

.youtube-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.6);
    background: #cc0000;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .about-content,
    .mission-content {
        grid-template-columns: 1fr;
    }

    .concert-details {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .cta-section h2 {
        font-size: 2rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Page Transitions */
.page-content {
    animation: fadeIn 0.5s ease-in;
}

/* Page Header */
.page-header {
    min-height: 40vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('Uploads/piano_keys.png') center center no-repeat;
    background-size: cover;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    padding-top: 80px;
}

.page-header h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.page-header p {
    font-size: 1.3rem;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
}

/* Gallery Section */
.gallery-section {
    background: var(--light-bg);
    padding: 5rem 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    aspect-ratio: 4/3;
    background: #f0f0f0;
    will-change: transform;
}

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

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, opacity 0.3s ease;
    opacity: 0;
}

.gallery-item.loaded img,
.gallery-item.loaded video {
    opacity: 1;
}

.gallery-item:hover img,
.gallery-item:hover video {
    transform: scale(1.1);
}

/* Loading placeholder */
.loading-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    pointer-events: none;
}

.gallery-item.loaded .loading-placeholder {
    display: none;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    color: white;
    font-size: 1.3rem;
    margin: 0;
}

/* Active Navigation Link */
.nav-link.active {
    color: var(--secondary-color);
    font-weight: 600;
}

.nav-link.active::after {
    width: 100%;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: block;
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: white;
    font-size: 50px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 10000;
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: #bbb;
}

.lightbox-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 20px 0;
    font-size: 1.2rem;
}

.lightbox-prev,
.lightbox-next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: auto;
    padding: 16px;
    color: white;
    font-weight: bold;
    font-size: 40px;
    transition: 0.3s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10001;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background-color: rgba(0, 0, 0, 0.8);
    color: #f1f1f1;
}

.lightbox-prev {
    left: 0;
    border-radius: 0 3px 3px 0;
}

.lightbox-next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

/* Responsive Gallery */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .page-header p {
        font-size: 1.1rem;
    }
    
    .lightbox-content {
        max-width: 95%;
        max-height: 80vh;
    }
    
    .lightbox-close {
        top: 10px;
        right: 20px;
        font-size: 40px;
    }
    
    .lightbox-caption {
        font-size: 1rem;
        padding: 15px 0;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 30px;
        padding: 12px;
    }
}