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

:root {
    --primary-color: #ff6b6b;
    --secondary-color: #4ecdc4;
    --accent-color: #ffe66d;
    --dark-bg: rgba(0, 0, 0, 0.85);
    --card-bg: rgba(255, 255, 255, 0.1);
    --text-light: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    --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%);
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-light);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Video Background */
.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4) contrast(1.2);
}

.video-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%);
    z-index: -1;
}

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

/* Header */
.header {
    position: sticky;
    top: 0;
    background: var(--dark-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.2rem;
}

.logo .tagline {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 300;
}

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

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

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

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    transition: all 0.3s ease;
}

/* Main Content */
.main-content {
    padding: 3rem 0;
    min-height: calc(100vh - 200px);
}

/* Player Section */
.player-section {
    margin-bottom: 4rem;
}

.player-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.18);
    animation: fadeInUp 0.8s ease;
}

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

.player-header {
    text-align: center;
    margin-bottom: 2rem;
}

.player-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.player-status {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 400;
}

/* Visualizer */
.player-visualizer {
    width: 100%;
    height: 200px;
    margin: 2rem 0;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
}

#visualizer {
    width: 100%;
    height: 100%;
    display: block;
}

/* Player Controls */
.player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin: 2rem 0;
}

.control-btn {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: none;
    background: var(--gradient-1);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.control-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.control-btn:active {
    transform: scale(0.95);
}

.play-btn {
    width: 80px;
    height: 80px;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.volume-slider {
    width: 150px;
    height: 5px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 5px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px var(--primary-color);
}

.volume-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

#volumeValue {
    min-width: 40px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Player Info */
.player-info {
    margin: 2rem 0;
    text-align: center;
}

.current-track {
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
}

.track-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.track-artist {
    font-size: 1rem;
    color: var(--text-muted);
}

/* Player Stats */
.player-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

/* Features Section */
.features-section {
    margin-top: 4rem;
}

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

.feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

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

.footer-section a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-section p {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .player-card {
        padding: 1.5rem;
    }

    .player-visualizer {
        height: 150px;
    }

    .player-controls {
        flex-direction: column;
        gap: 1.5rem;
    }

    .player-stats {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .main-content {
        padding: 2rem 0;
    }

    .player-header h2 {
        font-size: 1.5rem;
    }

    .control-btn {
        width: 60px;
        height: 60px;
    }

    .play-btn {
        width: 70px;
        height: 70px;
    }
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s infinite;
}

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

/* Page Styles */
.page-section {
    margin-bottom: 4rem;
}

.page-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.18);
    animation: fadeInUp 0.8s ease;
}

.page-card h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-card h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.page-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.content-block {
    margin: 2rem 0;
    line-height: 1.8;
}

.content-block p {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 1.05rem;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(255, 107, 107, 0.2);
}

.feature-item h3 {
    margin-top: 0;
    font-size: 1.2rem;
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .page-card {
        padding: 1.5rem;
    }
    
    .page-card h1 {
        font-size: 2rem;
    }
    
    .page-card h2 {
        font-size: 1.5rem;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
}