:root {
    --bg-color: #0d0d0d;
    --card-bg: rgba(255, 255, 255, 0.03);
    --accent-color: #00ff88;
    /* Menta Green */
    --accent-secondary: #00d2ff;
    /* Chao Blue */
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Animation */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(0, 255, 136, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 210, 255, 0.05) 0%, transparent 40%);
    z-index: -1;
}

/* Top Social Bar */
.top-social-bar {
    position: absolute;
    top: 2rem;
    right: 3rem;
    display: flex;
    gap: 3.5rem;
    z-index: 100;
}

.top-social-bar a {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    font-size: 3rem;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    padding: 10px;
}

.top-social-bar a:hover {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.7);
}

/* Original App Branding */
.top-social-bar .spotify-btn {
    background-color: #1DB954;
    color: #ffffff;
}

.top-social-bar .tiktok-btn {
    background-color: #000000;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.top-social-bar .youtube-btn {
    background-color: #FF0000;
    color: #ffffff;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
header {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -2px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 30px rgba(0, 210, 255, 0.3));
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 255, 136, 0.4);
}

.btn-secondary {
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    background: var(--card-bg);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Music Section */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.spotify-container {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    margin-bottom: 2rem;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-primary);
}

.social-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-10px);
    border-color: var(--accent-secondary);
}

.social-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.social-card.spotify:hover i {
    color: #1DB954;
}

.social-card.tiktok:hover i {
    color: #ff0050;
}

.social-card.youtube:hover i {
    color: #FF0000;
}

footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Navigation Menu - Premium Cyber Glass */
.main-nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 30px;
    border-radius: 100px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(0, 255, 136, 0.1);
}

.nav-list {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 30px;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.nav-list li a {
    color: var(--text-primary) !important;
    text-decoration: none !important;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.nav-list li a:hover {
    color: var(--accent-color) !important;
    opacity: 1;
    text-shadow: 0 0 15px rgba(0, 255, 136, 0.6);
}

/* Spotify Facade (WPO) */
.spotify-facade {
    position: relative;
    cursor: pointer;
    background-size: cover;
    background-position: center;
    border-radius: 12px;
    height: 152px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.spotify-facade:hover {
    transform: scale(1.02);
}

.spotify-facade::after {
    content: '\f144';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 4rem;
    color: var(--accent-color);
    background: rgba(0, 0, 0, 0.5);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    transition: background 0.3s ease;
}

.spotify-facade:hover::after {
    background: rgba(0, 255, 136, 0.2);
}

.spotify-facade.loaded::after {
    display: none;
}

/* Copy Button Styling - Premium Pill */
.btn-copy-premium {
    margin: 2rem auto 0 auto;
    cursor: pointer;
    background: linear-gradient(135deg, var(--accent-color) 0%, #00cc6e 100%);
    border: none;
    color: #000 !important;
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 900;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 10px 20px rgba(0, 255, 136, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-copy-premium:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 255, 136, 0.4);
    background: linear-gradient(135deg, #00ffaa 0%, var(--accent-color) 100%);
}

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

/* Custom Floating Alert (Toast) */
.toast-notification {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(0, 255, 136, 0.9);
    color: #000;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 20000;
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.toast-notification.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Full Responsive Fix */
@media (max-width: 768px) {
    .main-nav {
        width: 92%;
        padding: 8px 10px;
        top: 10px;
    }

    .nav-list {
        gap: 10px;
    }

    .nav-list li a {
        font-size: 0.65rem;
        letter-spacing: 0.5px;
    }

    .top-social-bar {
        position: relative !important;
        top: 80px !important;
        right: auto !important;
        justify-content: center !important;
        width: 100% !important;
        gap: 1.5rem !important;
        margin-bottom: 2rem !important;
        display: flex !important;
    }

    .top-social-bar a {
        width: 50px !important;
        height: 50px !important;
        font-size: 1.8rem !important;
    }

    header {
        height: auto !important;
        padding: 120px 0 60px !important;
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 4.5rem) !important;
    }

    .hero-subtitle {
        font-size: 1.1rem !important;
        padding: 0 10px !important;
        margin-bottom: 1.5rem !important;
    }

    .cta-buttons {
        flex-direction: column !important;
        width: 100% !important;
        padding: 0 20px !important;
        gap: 12px !important;
    }

    .btn {
        width: 100% !important;
        text-align: center !important;
    }
    
    .spotify-container {
        padding: 1rem !important;
    }
    
    .section-title {
        font-size: 1.8rem !important;
        padding: 0 10px;
    }
}