:root {
    --bg-color: #03060b;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-blue: #00d2ff;
    --liquid-gradient: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    --text-main: #f0f0f0;
    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(0, 210, 255, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(58, 123, 213, 0.12) 0%, transparent 40%);
    color: var(--text-main);
    scroll-behavior: smooth;
    overflow-x: hidden;
    line-height: 1.6;
}
nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    background: rgba(3, 6, 11, 0.75);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
}
.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 40px;
    align-items: center;
}
.logo {
    font-weight: 900;
    font-size: 1.6rem;
    letter-spacing: 3px;
    background: var(--liquid-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}
.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 35px;
    font-size: 0.9rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
    opacity: 0.6;
}

.nav-links a:hover, .nav-links a.active { opacity: 1; color: var(--accent-blue); text-shadow: 0 0 15px rgba(0, 210, 255, 0.5); }
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 40px 60px 40px;
}
.hero-box {
    width: 100%;
    max-width: 1200px;
    min-height: 500px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 40px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}
.hero-box::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('sels.png') center/cover no-repeat;
    opacity: 0.3;
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px;
}
.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    margin: 0;
    letter-spacing: -2px;
    line-height: 1.1;
    font-weight: 700;
}
.hero p {
    font-size: clamp(1rem, 2vw, 1.4rem);
    opacity: 0.9;
    font-weight: 300;
    margin-top: 20px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 40px;
}
h2 {
    font-size: 2.2rem;
    font-weight: 300;
    letter-spacing: 5px;
    text-transform: uppercase;
    margin-bottom: 40px;
}
.music-grid {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 50px;
    align-items: start;
    margin-bottom: 100px;
}
.qa-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    transition: var(--transition-smooth);
}
#now-playing-container {padding: 50px; border-left: 8px solid var(--accent-blue);}
.track-item {
    padding: 22px 30px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.track-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: scale(1.02) translateX(10px);
    border-color: var(--accent-blue);
}
.qa-item {padding: 30px;}
.qa-item:hover {transform: translateY(-10px); background: rgba(255, 255, 255, 0.07);}
.qa-question {
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 15px;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.qa-answer {
    opacity: 0.8;
    font-size: 1rem;
    font-weight: 300;
}
.listening-dot {
    width: 14px;
    height: 14px;
    background: #00ff88;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 20px #00ff88;
    animation: pulse 2s infinite;
    margin-right: 15px;
}
@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}
@media (max-width: 1100px) {
    .music-grid, .qa-grid { grid-template-columns: 1fr; }
    .nav-container { padding: 0 20px; }
    .hero h1 { font-size: 3rem; }
}
@media (max-width: 768px) {
    nav { height: auto; padding: 15px 0; }
    .nav-container { flex-direction: column; gap: 15px; }
    .nav-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
    .nav-links a { margin: 0 10px; font-size: 0.75rem; }
    .section-container { padding: 40px 20px; }
    .hero { padding-top: 140px; }
    .hero-box { min-height: 400px; border-radius: 30px; }
    .track-item { flex-direction: column; align-items: flex-start; gap: 8px; }
    .track-item div:last-child { align-self: flex-end; opacity: 0.5; }
}
footer {
    text-align: center;
    padding: 80px 20px;
    opacity: 0.4;
    font-size: 0.8rem;
    letter-spacing: 2px;
}