:root {
    --bg-black: #080808;
    --spotify-green: #1DB954;
    --spotify-green-dim: #1a9e48;
    --text-white: #FFFFFF;
    --text-gray: #B3B3B3;
    --card-bg: rgba(255, 255, 255, 0.04);
    --border-color: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-black);
    color: var(--text-white);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Glow Effects */
.glow-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 20%, rgba(29, 185, 84, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 20% 80%, rgba(29, 185, 84, 0.05) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

/* Navbar */
nav {
    height: 80px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(8, 8, 8, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.nav-content {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
}

.spotify-circles {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 20px;
}

.spotify-circles span {
    width: 4px;
    background-color: var(--spotify-green);
    border-radius: 2px;
}

.spotify-circles span:nth-child(1) { height: 12px; animation: quiet 1.2s ease-in-out infinite; }
.spotify-circles span:nth-child(2) { height: 20px; animation: loud 1.2s ease-in-out infinite; }
.spotify-circles span:nth-child(3) { height: 15px; animation: median 1.2s ease-in-out infinite; }

@keyframes quiet { 0%, 100% { height: 12px; } 50% { height: 8px; } }
@keyframes loud { 0%, 100% { height: 20px; } 50% { height: 14px; } }
@keyframes median { 0%, 100% { height: 15px; } 50% { height: 10px; } }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.github-link {
    background: var(--card-bg);
    padding: 10px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.github-link:hover {
    background: var(--border-color);
    transform: scale(1.05);
}

/* Hero Section */
.hero {
    padding-top: 160px;
    padding-bottom: 80px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(29, 185, 84, 0.1);
    color: var(--spotify-green);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(29, 185, 84, 0.2);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.text-spotify {
    color: var(--spotify-green);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 500px;
    margin-bottom: 2.5rem;
}

.install-bar {
    display: flex;
    align-items: center;
    background: #111;
    padding: 8px 8px 8px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    max-width: 400px;
    justify-content: space-between;
    transition: var(--transition);
}

.install-bar:hover {
    border-color: rgba(29, 185, 84, 0.4);
}

.install-bar code {
    font-family: var(--font-mono);
    color: #eee;
    font-size: 0.95rem;
}

.copy-btn {
    background: var(--spotify-green);
    color: black;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.copy-btn:hover {
    background: var(--spotify-green-dim);
    transform: translateY(-2px);
}

.btn-success {
    display: none;
}

.copy-btn.copied .btn-text { display: none; }
.copy-btn.copied .btn-success { display: inline; }
.copy-btn.copied { background: #fff; }

/* Terminal */
.terminal-container {
    background: #0c0c0c;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    font-family: var(--font-mono);
}

.terminal-header {
    background: #1a1a1a;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.terminal-buttons {
    display: flex;
    gap: 6px;
}

.terminal-buttons span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-buttons span:nth-child(1) { background: #ff5f56; }
.terminal-buttons span:nth-child(2) { background: #ffbd2e; }
.terminal-buttons span:nth-child(3) { background: #27c93f; }

.terminal-title {
    color: #888;
    font-size: 0.75rem;
}

.terminal-body {
    padding: 20px;
    min-height: 280px;
    font-size: 0.9rem;
}

.line {
    margin-bottom: 8px;
    display: flex;
    gap: 10px;
}

.t-prompt { color: var(--spotify-green); font-weight: bold; }
.t-dim { color: #555; }
.t-spotify { color: var(--spotify-green); }
.t-user { color: #fff; font-style: italic; }
.t-green { color: #27c93f; }

.t-spotify-card {
    margin-top: 15px;
    background: #181818;
    border-radius: 8px;
    padding: 15px;
    border-left: 4px solid var(--spotify-green);
}

.now-playing {
    display: flex;
    align-items: center;
    gap: 15px;
}

.music-icon { font-size: 1.2rem; }

.track-info {
    display: flex;
    flex-direction: column;
}

.track-name { font-weight: bold; font-size: 1rem; }
.artist-name { color: #999; font-size: 0.8rem; }

.visualizer {
    margin-left: auto;
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 15px;
}

.visualizer span {
    width: 2px;
    background: var(--spotify-green);
    animation: bar-dance 0.8s ease-in-out infinite;
}

@keyframes bar-dance {
    0%, 100% { height: 4px; }
    50% { height: 15px; }
}

.visualizer span:nth-child(2) { animation-delay: 0.1s; }
.visualizer span:nth-child(3) { animation-delay: 0.2s; }
.visualizer span:nth-child(4) { animation-delay: 0.3s; }
.visualizer span:nth-child(5) { animation-delay: 0.4s; }

/* Features */
.features {
    padding: 100px 0;
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-description {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 24px;
    transition: var(--transition);
}

.feature-card:hover {
    background: rgba(29, 185, 84, 0.05);
    border-color: rgba(29, 185, 84, 0.3);
    transform: translateY(-8px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-family: var(--font-heading);
    margin-bottom: 0.8rem;
    font-size: 1.4rem;
}

.feature-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Showcase */
.showcase {
    padding: 60px 0 120px;
}

.glass-section {
    background: linear-gradient(135deg, rgba(29, 185, 84, 0.1), rgba(255, 255, 255, 0.02));
    border-radius: 40px;
    padding: 80px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.showcase-content h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.showcase-content p {
    color: var(--text-gray);
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 2rem;
}

.feature-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-list li span {
    color: var(--spotify-green);
    font-weight: bold;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-left p {
    color: var(--text-gray);
    margin-top: 10px;
}

.footer-right {
    display: flex;
    gap: 3rem;
}

.footer-right a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer-right a:hover {
    color: var(--spotify-green);
}

.footer-bottom {
    text-align: center;
    color: #444;
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title { font-size: 3.5rem; }
    .hero { gap: 2rem; }
}

@media (max-width: 868px) {
    .hero {
        grid-template-columns: 1fr;
        padding-top: 120px;
        text-align: center;
    }
    .hero-inner {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .hero-subtitle { margin: 0 auto 2.5rem; }
    .feature-list { grid-template-columns: 1fr; }
    .glass-section { padding: 40px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.8rem; }
    .nav-links { display: none; }
}