:root {
    --bg-dark: #0a0a0e;
    --bg-glass: rgba(20, 20, 30, 0.6);
    --text-main: #ffffff;
    --text-muted: #a0a0b0;
    --accent: #8b5cf6; /* Vibrant purple */
    --accent-glow: rgba(139, 92, 246, 0.5);
    --secondary-accent: #3b82f6; /* Deep blue */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
}

/* Glassmorphism Utility */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    z-index: 1000;
    transition: background 0.3s ease, padding 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 14, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(45deg, var(--accent), var(--secondary-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url('assets/hero.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10, 10, 14, 0.3) 0%, var(--bg-dark) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 6rem;
    font-weight: 800;
    letter-spacing: 10px;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
    animation: fadeInDown 1s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    text-decoration: none;
    background: linear-gradient(45deg, var(--accent), var(--secondary-accent));
    border-radius: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px var(--accent-glow);
}

/* Sections */
.section {
    padding: 6rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* Music Player */
.player-container {
    padding: 2rem;
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.track-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.track-cover {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(45deg, #1a1a2e, #16213e);
}

.cover-placeholder {
    width: 100%;
    height: 100%;
    background-image: url('assets/hero.png');
    background-size: cover;
    background-position: center;
}

.track-name {
    font-size: 1.4rem;
    margin-bottom: 0.2rem;
}

.artist-name {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.control-btn {
    background: var(--accent);
    color: white;
    border: none;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, background 0.3s;
}

.control-btn:hover {
    transform: scale(1.05);
    background: #9f7aea;
}

.progress-bar-container {
    flex-grow: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
}

.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
}

/* Track List */
.track-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.track-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: transform 0.2s, background 0.3s;
}

.track-item:hover, .track-item.active {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(10px);
}

.track-number {
    color: var(--text-muted);
    margin-right: 1.5rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

.track-title-list {
    flex-grow: 1;
    font-weight: 500;
}

.track-duration {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* About Section */
.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.bio {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.social-link {
    padding: 0.8rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    color: var(--text-main);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(139, 92, 246, 0.05);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .hero-title { font-size: 3.5rem; }
    .hero-subtitle { font-size: 1.2rem; }
    .nav-links { display: none; /* Add hamburger menu later if needed */ }
    .track-info { flex-direction: column; text-align: center; }
}