:root {
  --bg: #121212;
  --bg-2: #181818;
  --panel: #1f1f1f;
  --panel-2: #282828;
  --panel-3: #323232;
  --line: #2e2e2e;
  --text: #ffffff;
  --soft: #e3e3e3;
  --muted: #9c9c9c;
  --dim: #5f5f5f;
  --accent: #caf83e;
  --accent-2: #b4e02c;
  --ink: #0f0f0f;
  --blue: #39c0de;
  --pink: #ff53a0;
  --violet: #9654fa;
  --danger: #ff5c5c;
  --r: 10px;
  --font: Onest, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 16px/1.55 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button { font: inherit; color: inherit; }
img { display: block; max-width: 100%; }
.in { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }

/* ---------- top bar ---------- */
.bar { position: sticky; top: 0; z-index: 30; background: rgba(18,18,18,.86); backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255,255,255,.06); }
.bar .in { height: 64px; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font: 800 23px/1 var(--font); letter-spacing: -.03em; text-decoration: none; }
.brand i { font-style: normal; color: var(--accent); }
.logo { width: 38px; height: 30px; background: url("/static/mark.svg") center / contain no-repeat; flex: none; }
.bar nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.bar nav a { text-decoration: none; color: var(--soft); font-weight: 500; font-size: 15px; }
.bar nav a:hover { color: var(--accent); }
.bar nav a.btn-accent, .bar nav a.btn-accent:hover { color: var(--ink); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer;
  border-radius: 999px; padding: 13px 24px; font: 600 15px var(--font); text-decoration: none; white-space: nowrap;
  transition: transform .1s, background .2s, opacity .2s, box-shadow .2s; }
.btn:active { transform: scale(.97); }
.btn.sm { padding: 9px 16px; font-size: 14px; }
.btn.lg { padding: 16px 30px; font-size: 16px; }
.btn-accent { background: var(--accent); color: var(--ink); box-shadow: 0 8px 30px rgba(202,248,62,.18); }
.btn-accent:hover { background: var(--accent-2); }
.btn-ghost { background: var(--panel-2); color: var(--text); }
.btn-ghost:hover { background: var(--panel-3); }
.btn-line { background: none; color: var(--text); box-shadow: inset 0 0 0 1px var(--line); }
.btn-line:hover { box-shadow: inset 0 0 0 1px var(--dim); }
.btn[disabled] { opacity: .45; pointer-events: none; }

/* ---------- landing ---------- */
.hero { position: relative; overflow: hidden; padding: 84px 0 70px; }
.hero::before { content: ""; position: absolute; inset: -30% -10% auto; height: 620px; pointer-events: none;
  background: radial-gradient(520px 320px at 72% 40%, rgba(202,248,62,.14), transparent 70%),
              radial-gradient(420px 300px at 20% 10%, rgba(150,84,250,.12), transparent 70%); }
.hero .in { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; font: 500 13px var(--mono); color: var(--accent);
  text-transform: uppercase; letter-spacing: .1em; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.hero h1 { font: 800 clamp(40px, 6vw, 72px)/1.02 var(--font); letter-spacing: -.035em; margin: 18px 0 18px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.lead { font-size: 19px; color: var(--soft); max-width: 520px; margin: 0 0 30px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.powered-note { margin-top: 22px; font-size: 13px; color: var(--muted); }
.powered-note a { color: var(--soft); }

.demo { background: linear-gradient(165deg, #1e1e1e, #151515); border: 1px solid var(--line); border-radius: 20px;
  box-shadow: 0 40px 90px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.02) inset; overflow: hidden; }
.demo-top { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line);
  font: 600 13px var(--font); color: var(--muted); }
.demo-top .dots { display: flex; gap: 6px; }
.demo-top .dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--panel-3); }
.demo-cred { margin-left: auto; font: 600 12px var(--font); color: var(--accent); background: rgba(202,248,62,.08);
  padding: 3px 10px; border-radius: 999px; }
.demo-body { padding: 16px 18px 18px; }
.demo .lbl { font: 500 11px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .1em; margin: 0 0 8px; }
.demo .lbl:not(:first-child) { margin-top: 14px; }
.grid4, .grid3 { display: grid; gap: 8px; }
.grid4 { grid-template-columns: repeat(4, 1fr); }
.grid3 { grid-template-columns: repeat(3, 1fr); }
.chip { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 10px; border-radius: 10px;
  font-size: 14px; font-weight: 500; background: var(--panel-2); color: var(--soft); border: 1px solid transparent;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chip.on { background: rgba(202,248,62,.12); color: var(--accent); border-color: rgba(202,248,62,.4); }
.demo .theme { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 11px 13px; color: var(--soft); font-size: 15px; }
.demo-gen { display: block; margin-top: 14px; text-align: center; background: var(--accent); color: var(--ink); font: 700 15px var(--font);
  border-radius: 999px; padding: 12px; text-decoration: none; transition: background .15s, transform .1s; }
.demo-gen:hover { background: var(--accent-2); }
.demo-gen:active { transform: scale(.98); }
.demo-result { display: flex; gap: 14px; align-items: center; padding: 14px 18px 16px; background: rgba(255,255,255,.02); border-top: 1px solid var(--line); }
.demo-result .art { width: 58px; height: 58px; border-radius: 10px; flex: none; display: grid; place-items: center; }
.demo-result .pp { width: 34px; height: 34px; border-radius: 50%; background: rgba(15,15,15,.75); color: var(--accent); display: grid; place-items: center; }
.dr-main { flex: 1; min-width: 0; }
.dr-head { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.dr-head b { font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dr-head span { font: 500 12px var(--mono); color: var(--muted); white-space: nowrap; }
.dr-meta { color: var(--muted); font-size: 13px; margin: 1px 0 8px; }
.wavebar { display: flex; align-items: center; gap: 2px; height: 26px; }
.wavebar i { flex: 1; border-radius: 2px; background: var(--panel-3); }
.wavebar i:nth-child(-n+17) { background: var(--accent); }
.wavebar.live { cursor: pointer; }
.wavebar.live i { background: var(--panel-3); }
.wavebar.live i.on { background: var(--accent); }
.demo-result .art { border: 0; padding: 0; }
.demo-result .art:not([disabled]) { cursor: pointer; }
.demo-result .art:not([disabled]):hover .pp { transform: scale(1.08); }
.demo-result .pp { transition: transform .15s; }
.art { width: 64px; height: 64px; border-radius: 10px; flex: none; position: relative; overflow: hidden; }

section.block { padding: 70px 0; }
section.block h2 { font: 800 clamp(30px, 4vw, 44px)/1.1 var(--font); letter-spacing: -.03em; margin: 0 0 12px; }
section.block .sub { color: var(--muted); font-size: 18px; margin: 0 0 36px; max-width: 620px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 26px; }
.steps .n { font: 600 13px var(--mono); color: var(--accent); }
.card h3 { font: 700 21px/1.25 var(--font); margin: 10px 0 8px; }
.card p { color: var(--muted); margin: 0; }
.genre-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.genre-cloud .chip { font-size: 15px; padding: 9px 16px; }
.perks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 18px; }
.perks .card { padding: 22px; }
.perks .ico { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(202,248,62,.1); color: var(--accent); }
.perks h3 { font-size: 17px; }

.packs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pack { position: relative; display: flex; flex-direction: column; }
.pack.pop { border-color: rgba(202,248,62,.5); box-shadow: 0 0 0 1px rgba(202,248,62,.25), 0 20px 50px rgba(202,248,62,.08); }
.pack .tag { position: absolute; top: -12px; left: 22px; background: var(--accent); color: var(--ink); font: 700 12px var(--font);
  padding: 4px 10px; border-radius: 999px; }
.pack .tag.alt { background: var(--panel-3); color: var(--soft); }
.pack .tracks { font: 800 44px/1 var(--font); letter-spacing: -.03em; margin-top: 8px; }
.pack .tracks small { font-size: 16px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.pack .price { font: 700 24px var(--font); margin: 16px 0 2px; }
.pack .per { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.pack .btn { margin-top: auto; }
.pay-note { color: var(--muted); font-size: 14px; margin-top: 18px; }

.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 400; font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--muted); margin: 10px 0 0; }
.faq p a { color: var(--soft); }
.faq p a:hover { color: var(--accent); }

.final { text-align: center; }
.final .card { padding: 54px 24px; background: radial-gradient(500px 220px at 50% 0%, rgba(202,248,62,.14), transparent 70%), var(--panel); }

.foot { border-top: 1px solid var(--line); padding: 28px 0 40px; margin-top: 40px; }
.foot .in { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; font-size: 14px; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--text); }
.foot .powered { margin-left: auto; color: var(--muted); }
.foot .powered:hover { color: var(--muted); }
.foot .copy { color: var(--dim); width: 100%; }

/* ---------- auth ---------- */
.auth-wrap { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 32px 20px; }
.auth { width: 100%; max-width: 420px; }
.auth h1 { font: 800 32px/1.1 var(--font); letter-spacing: -.03em; margin: 0 0 8px; }
.auth .card { padding: 28px; }
.tabs { display: flex; background: var(--bg); border-radius: 999px; padding: 4px; margin-bottom: 22px; }
.tabs button { flex: 1; border: 0; background: none; cursor: pointer; padding: 9px; border-radius: 999px; font-weight: 600; color: var(--muted); }
.tabs button[aria-selected="true"] { background: var(--panel-3); color: var(--text); }
label.f { display: block; font-size: 14px; color: var(--soft); margin: 0 0 6px; font-weight: 500; }
.input { width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; color: var(--text);
  font: 400 16px var(--font); padding: 13px 14px; outline: 0; transition: border-color .15s; margin-bottom: 14px; }
.input:focus { border-color: var(--accent); }
.or { display: flex; align-items: center; gap: 12px; color: var(--dim); font-size: 13px; margin: 18px 0; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.google { width: 100%; background: #fff; color: #1f1f1f; }
.google:hover { background: #f1f1f1; }
.err { color: var(--danger); font-size: 14px; min-height: 20px; margin: 4px 0 10px; }
.fine { color: var(--dim); font-size: 13px; margin-top: 16px; text-align: center; }
.fine a { color: var(--muted); }

/* ---------- legal ---------- */
.legal { max-width: 760px; margin: 0 auto; padding: 48px 20px 20px; }
.legal h1 { font: 800 40px/1.1 var(--font); letter-spacing: -.03em; margin: 0 0 6px; }
.legal h2 { font: 700 20px var(--font); margin: 30px 0 8px; }
.legal p, .legal li { color: var(--soft); }
.legal a { color: var(--accent); }
.todo { background: rgba(255,152,0,.15); color: #ffb14a; border-radius: 4px; padding: 0 4px; }
.draft { background: rgba(255,152,0,.12); border: 1px solid rgba(255,152,0,.35); color: #ffb14a; border-radius: 12px; padding: 12px 16px; margin-bottom: 24px; font-size: 14px; }

@media (max-width: 960px) {
  .hero .in { grid-template-columns: 1fr; gap: 40px; }
  .steps, .perks { grid-template-columns: 1fr 1fr; }
  .packs { grid-template-columns: 1fr 1fr; gap: 24px 16px; }
  .faq { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .bar nav a:not(.btn) { display: none; }
  .hero { padding: 48px 0 40px; }
  .hero p.lead { font-size: 17px; }
  section.block { padding: 48px 0; }
  .steps, .perks { grid-template-columns: 1fr; }
  .packs { grid-template-columns: 1fr; }
  .foot .powered { margin-left: 0; }
  .demo .chip { font-size: 13px; padding: 8px 4px; }
  .demo-body { padding: 14px; }
}

/* ---------- language switcher ---------- */
.lang-switch { position: relative; flex: none; }
.lang-btn { display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 10px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg-2); color: var(--soft); cursor: pointer; font: 600 13px var(--font); }
.lang-btn:hover { border-color: var(--dim); color: var(--text); }
.flag { width: 20px; height: 14px; border-radius: 3px; object-fit: cover; box-shadow: 0 0 0 1px rgba(255,255,255,.12); flex: none; }
.lang-menu { position: absolute; right: 0; top: 42px; z-index: 50; min-width: 210px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 6px; box-shadow: 0 20px 40px rgba(0,0,0,.5); }
.lang-menu button { display: flex; align-items: center; gap: 10px; width: 100%; border: 0; background: none; cursor: pointer;
  padding: 9px 10px; border-radius: 9px; font: 500 14px var(--font); color: var(--soft); text-align: left; }
.lang-menu button:hover { background: var(--panel-2); color: var(--text); }
.lang-menu button[aria-current="true"] { color: var(--accent); }
.lang-menu button[aria-current="true"]::after { content: "✓"; margin-left: auto; }
@media (max-width: 620px) { .lang-btn span { display: none; } .lang-btn { padding: 0 8px; } }