:root {
  --bg: #0b0d12; --bg-2: #10131b; --panel: #161922; --panel-2: #1e2230; --border: #262b3a;
  --text: #e8eaf0; --muted: #8b93a7; --accent: #4f8cff; --accent-2: #7c5cff;
  --good: #3ddc97; --warn: #ffc95c; --danger: #ff5c72; --radius: 14px;
  --grad: linear-gradient(135deg, var(--accent), var(--accent-2));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
a { color: #8fb4ff; text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: .9em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(11,13,18,.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); }
.logo:hover { text-decoration: none; }
.logo img { width: 28px; height: 28px; }
.nav .links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav .links a { color: var(--muted); font-size: 15px; }
.nav .links a:hover { color: var(--text); text-decoration: none; }
.nav .links a.btn { color: #fff; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 10px;
  border: 0; font: 600 15px/1 inherit; font-family: inherit; color: #fff; background: var(--grad); cursor: pointer; text-decoration: none !important; }
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.ghost { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
.btn.danger { background: transparent; border: 1px solid #5a2531; color: #ffb4bf; }
.btn.sm { padding: 7px 12px; font-size: 13px; border-radius: 8px; }
.btn.lg { padding: 15px 26px; font-size: 16px; }

/* hero */
.hero { padding: 88px 0 64px; text-align: center; background: radial-gradient(800px 380px at 50% -40px, rgba(79,140,255,.22), transparent 70%); }
.hero h1 { font-size: clamp(34px, 5.5vw, 58px); line-height: 1.12; margin: 0 auto 18px; max-width: 860px; letter-spacing: -.02em; }
.hero h1 .g { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 19px; color: #b7bfd3; max-width: 680px; margin: 0 auto 30px; }
.hero .ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .note { margin-top: 14px; font-size: 14px; color: var(--muted); }

/* fake player preview */
.player { position: relative; max-width: 860px; margin: 56px auto 0; aspect-ratio: 16/9; border-radius: 16px; overflow: hidden; border: 1px solid var(--border);
  background: linear-gradient(160deg, #1b2440 0%, #2a1f45 45%, #12151f 100%); box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.player::before { content: ""; position: absolute; inset: 0; background: radial-gradient(400px 220px at 30% 35%, rgba(255,190,120,.25), transparent 70%), radial-gradient(300px 200px at 72% 40%, rgba(124,92,255,.3), transparent 70%); }
.player .bar { position: absolute; left: 0; right: 0; bottom: 0; height: 44px; background: linear-gradient(transparent, rgba(0,0,0,.6)); }
.player .bar i { position: absolute; left: 16px; right: 16px; bottom: 16px; height: 4px; border-radius: 2px; background: rgba(255,255,255,.25); }
.player .bar i::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 38%; background: #ff4e4e; border-radius: 2px; }
.player .subs { position: absolute; left: 50%; bottom: 62px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 6px; width: 90%; }
.player .subs span { background: rgba(8,10,16,.8); padding: 4px 12px; border-radius: 6px; }
.player .subs .o { font-size: clamp(12px, 1.8vw, 17px); color: #d5d9e4; }
.player .subs .t { font-size: clamp(15px, 2.4vw, 24px); font-weight: 700; }
.player .tag { position: absolute; top: 14px; right: 14px; background: var(--grad); font-size: 12px; font-weight: 700; padding: 5px 10px; border-radius: 999px; }

/* sections */
section { padding: 72px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2 { font-size: clamp(26px, 3.4vw, 36px); margin: 0 0 8px; letter-spacing: -.01em; }
.section-title p { color: var(--muted); margin: 0; }
.grid { display: grid; gap: 18px; }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid.c4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.card h3 { margin: 12px 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.ico { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: rgba(79,140,255,.14); color: #8fb4ff; }
.ico svg { width: 22px; height: 22px; }
.step-n { width: 34px; height: 34px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; font-weight: 700; }

/* pricing */
.price { position: relative; display: flex; flex-direction: column; }
.price.popular { border-color: #4a5fc9; box-shadow: 0 0 0 1px #4a5fc9, 0 18px 50px rgba(79,140,255,.18); }
.price .badge { position: absolute; top: -12px; left: 24px; background: var(--grad); font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.price .amt { font-size: 34px; font-weight: 800; margin: 8px 0 2px; }
.price .amt small { font-size: 15px; color: var(--muted); font-weight: 500; }
.price ul { list-style: none; padding: 0; margin: 16px 0 22px; color: #c3c9d8; font-size: 15px; }
.price li { padding: 5px 0 5px 24px; position: relative; }
.price li::before { content: "✓"; position: absolute; left: 0; color: var(--good); font-weight: 700; }
.price .btn { margin-top: auto; }

/* code */
pre.code { background: #0a0c11; border: 1px solid var(--border); border-radius: 12px; padding: 18px; overflow-x: auto; margin: 0; line-height: 1.55; color: #cfd6e6; }
.code .k { color: #c792ea; } .code .s { color: #c3e88d; } .code .c { color: #637087; }

/* faq */
details { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }

footer { border-top: 1px solid var(--border); padding: 32px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
footer .sp { margin-left: auto; display: flex; gap: 18px; }

/* forms */
.form { max-width: 420px; margin: 56px auto; }
.tabs { display: flex; gap: 6px; background: var(--panel-2); padding: 5px; border-radius: 12px; margin-bottom: 20px; }
.tabs button { flex: 1; background: transparent; border: 0; color: var(--muted); font: 600 15px inherit; font-family: inherit; padding: 10px; border-radius: 8px; cursor: pointer; }
.tabs button.on { background: var(--panel); color: var(--text); box-shadow: 0 1px 0 var(--border); }
label.f { display: block; margin: 14px 0 6px; font-size: 14px; color: var(--muted); }
input.f, select.f { width: 100%; padding: 11px 13px; border-radius: 10px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); font: inherit; }
input.f:focus { outline: 2px solid rgba(79,140,255,.5); border-color: transparent; }
.msg { margin-top: 14px; padding: 10px 12px; border-radius: 10px; font-size: 14px; display: none; }
.msg.show { display: block; }
.msg.err { background: rgba(255,92,114,.1); border: 1px solid #5a2531; color: #ffb4bf; }
.msg.ok { background: rgba(61,220,151,.08); border: 1px solid #22573f; color: var(--good); }

/* dashboard */
.dash { padding: 36px 0 72px; }
.dash h1 { margin: 0 0 4px; font-size: 28px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row .sp { margin-left: auto; }
.stat { font-size: 40px; font-weight: 800; letter-spacing: -.02em; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; font-size: 13px; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill.paid, .pill.active { background: rgba(61,220,151,.12); color: var(--good); }
.pill.pending { background: rgba(255,201,92,.12); color: var(--warn); }
.pill.cancelled, .pill.revoked { background: rgba(139,147,167,.14); color: var(--muted); }
.keybox { display: flex; gap: 8px; align-items: center; background: #0a0c11; border: 1px dashed #3b4766; padding: 12px; border-radius: 10px; margin-top: 12px; }
.keybox code { flex: 1; word-break: break-all; color: #c3e88d; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 140px; padding-top: 10px; }
.bars div { flex: 1; background: var(--grad); border-radius: 4px 4px 0 0; min-height: 2px; position: relative; opacity: .9; }
.bars div:hover { opacity: 1; }
.bars-x { display: flex; gap: 6px; font-size: 11px; color: var(--muted); margin-top: 6px; }
.bars-x span { flex: 1; text-align: center; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: none; place-items: center; z-index: 50; padding: 20px; }
.modal.show { display: grid; }
.modal .card { width: min(520px, 100%); max-height: 92vh; overflow: auto; }
.qr { display: block; width: 260px; max-width: 100%; margin: 14px auto; border-radius: 12px; background: #fff; padding: 8px; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 8px 12px; font-size: 15px; margin-top: 12px; }
.kv b { font-weight: 600; }

/* docs */
.docs { display: grid; grid-template-columns: 220px 1fr; gap: 40px; padding: 40px 0 80px; }
.docs nav { position: sticky; top: 88px; align-self: start; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.docs nav a { color: var(--muted); }
.docs h2 { margin: 40px 0 12px; font-size: 24px; padding-top: 8px; }
.docs h2:first-child { margin-top: 0; }
.docs h3 { margin: 26px 0 10px; }
.docs p, .docs li { color: #c3c9d8; }
.method { display: inline-block; font: 700 12px/1 ui-monospace, monospace; padding: 5px 8px; border-radius: 6px; margin-right: 8px; }
.method.post { background: rgba(61,220,151,.14); color: var(--good); }
.method.get { background: rgba(79,140,255,.16); color: #8fb4ff; }

@media (max-width: 760px) {
  .nav .links a:not(.btn) { display: none; }
  .docs { grid-template-columns: 1fr; }
  .docs nav { display: none; }
  .kv { grid-template-columns: 1fr; }
}

/* phone layout: one column, tables scroll inside their card instead of squeezing */
@media (max-width: 760px) {
  html, body { overflow-x: hidden; }
  .wrap { padding-left: 16px; padding-right: 16px; }
  .grid { grid-template-columns: minmax(0, 1fr) !important; }
  .card { min-width: 0; overflow-x: auto; }
  table { font-size: 13px; }
  th, td { padding: 8px 6px; }
  .card table { min-width: 460px; }
  .card .btn, .card button { white-space: nowrap; }
  h1 { font-size: 28px; }
  pre, code { overflow-wrap: anywhere; }
  .nav .wrap { gap: 8px; }
  .nav .logo { white-space: nowrap; font-size: 16px; gap: 6px; }
  .nav .logo img { width: 26px; height: 26px; }
  .nav .links a { white-space: nowrap; }
  .nav .links { gap: 12px; }
  .nav .links a#nav-account { display: inline; color: var(--text); font-size: 14px; }
  .nav .links .btn.sm { padding: 8px 12px; font-size: 13px; white-space: nowrap; }
  footer .wrap { flex-direction: column; align-items: flex-start; gap: 12px; }
  footer .sp { margin-left: 0; flex-wrap: wrap; gap: 8px 16px; }
  footer .sp a { white-space: nowrap; }
}