/* Music AI website — dark theme matching the iOS app brand. */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #0B1220;
    --bg-card: #111827;
    --text: #F8FAFC;
    --text-secondary: #94A3B8;
    --accent: #0EA5E9;
    --accent-2: #22D3EE;
    --pink: #EC4899;
    --border: rgba(255,255,255,0.08);
    --radius: 14px;
}

html, body { background: var(--bg); color: var(--text); }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.65;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Nav */
nav {
    background: rgba(11,18,32,0.78);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--text);
    font-size: 17px;
}
.brand-mark { font-size: 22px; }
.nav-links a {
    color: var(--text-secondary);
    margin-left: 22px;
    font-size: 14px;
}
.nav-links a:hover { color: var(--text); }

/* Hero */
.hero {
    padding: 96px 0 80px;
    background:
        radial-gradient(1100px 480px at 50% -10%, rgba(14,165,233,0.32), transparent 60%),
        radial-gradient(700px 320px at 80% 20%, rgba(236,72,153,0.18), transparent 60%);
    text-align: center;
}
.hero h1 {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(180deg, #fff 0%, #cfe6ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 18px;
}
.hero .lede {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 680px;
    margin: 0 auto 36px;
}
.cta {
    display: inline-block;
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    color: #fff;
    font-weight: 600;
    border-radius: 999px;
    box-shadow: 0 10px 28px -10px rgba(14,165,233,0.7);
    transition: transform .2s ease, box-shadow .2s ease;
}
.cta:hover { transform: translateY(-1px); color: #fff; box-shadow: 0 14px 34px -10px rgba(14,165,233,0.85); }

.coming-soon {
    display: inline-block;
    padding: 10px 18px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: 14px;
    letter-spacing: 0.01em;
}

/* Features grid */
.features { padding: 56px 0 72px; }
.features .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}
.feature {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 22px 18px;
}
.feature h3 { font-size: 16px; margin-bottom: 6px; color: var(--text); }
.feature p { color: var(--text-secondary); font-size: 14px; }

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 40px 0 56px;
    color: var(--text-secondary);
    font-size: 13px;
    text-align: center;
}
footer p { margin-bottom: 6px; }
footer a { color: var(--text-secondary); }
footer a:hover { color: var(--accent); }
.contact { margin-top: 12px; }

/* Document pages (privacy, terms) */
.doc {
    padding: 56px 0 96px;
}
.doc h1 {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 4px;
}
.doc .updated {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 28px;
}
.doc h2 {
    font-size: 19px;
    margin: 28px 0 10px;
    color: var(--text);
}
.doc p, .doc li {
    color: #cfd6e0;
    font-size: 15px;
    margin-bottom: 10px;
}
.doc ul { padding-left: 20px; margin-bottom: 14px; }
.doc a { color: var(--accent); }
.doc strong { color: var(--text); font-weight: 600; }
.doc .callout {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 16px 18px;
    margin: 18px 0;
    font-size: 14px;
    color: #d3d9e2;
}