:root {
  --bg: #07090e; --panel: #0e131c; --panel-2: #131a26; --line: #1f2a3b; --text: #e8eef9; --muted: #93a2bb;
  --accent: #5ab4ff; --accent-2: #9b7bff; --good: #3ddc97; --warn: #ffb02e; --bad: #ff5d6c;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
img, canvas, video { max-width: 100%; }
a { color: var(--accent); }
a:hover { color: #8fd0ff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; background: #fff; color: #000; padding: 8px 12px; z-index: 99; }

/* header */
header.site { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); background: rgba(7,9,14,0.78); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; gap: 22px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; letter-spacing: -0.01em; }
.logo { width: 22px; height: 22px; border-radius: 6px; background: conic-gradient(from 210deg, var(--accent), var(--accent-2), #ff6fb1, var(--accent)); box-shadow: 0 0 18px rgba(90,180,255,0.55); }
header.site nav { margin-left: auto; display: flex; gap: 22px; align-items: center; }
header.site nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
header.site nav a:hover { color: var(--text); }
header.site nav a.btn, header.site nav a.btn:hover { color: #04121f; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 12px; padding: 12px 22px; font: 600 16px var(--font); cursor: pointer; text-decoration: none;
  background: linear-gradient(135deg, #6cc4ff, #a996ff); color: #04121f; }
.btn:hover { filter: brightness(1.08); color: #04121f; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid #2c3b53; }
.btn.ghost:hover { border-color: var(--accent); color: var(--text); }
.btn.small { padding: 8px 16px; font-size: 14px; }
.btn[disabled] { opacity: 0.6; cursor: default; }

/* hero */
.hero { padding: 64px 0 40px; background: radial-gradient(900px 420px at 78% 10%, rgba(90,120,255,0.14), transparent 70%), radial-gradient(700px 360px at 10% 0%, rgba(90,180,255,0.08), transparent 70%); }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; }
h1 { font-size: clamp(34px, 5.2vw, 58px); line-height: 1.06; letter-spacing: -0.03em; margin: 10px 0 18px; }
h1 em { font-style: normal; background: linear-gradient(135deg, #6cc4ff, #ff8fc7); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 19px; color: #b9c6dc; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 14px; align-items: center; }
.fine { color: var(--muted); font-size: 14px; }
.pricetag { font-weight: 800; }

/* demo */
.demo { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 14px; box-shadow: 0 30px 80px rgba(0,0,0,0.5); }
.demo .stage { position: relative; aspect-ratio: 380 / 700; max-height: 560px; margin-inline: auto; border-radius: 14px; overflow: hidden; background: #05070b; border: 1px solid var(--line); }
.demo canvas { width: 100%; height: 100%; display: block; }
.demo .play { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); white-space: nowrap; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin: 12px 0 8px; }
.chip { background: #0a0f17; border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; color: var(--muted); font: 14px var(--font); cursor: pointer; }
.chip[aria-pressed=true] { color: #fff; border-color: transparent; background: linear-gradient(135deg, #2a6fb0, #6b4fd6); }
.bar { height: 4px; background: #121a27; border-radius: 2px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.demo .note { color: var(--muted); font-size: 12.5px; text-align: center; margin: 8px 0 0; }

/* sections */
section { padding: 72px 0; scroll-margin-top: 64px; }
section.alt { background: #0a0e15; border-block: 1px solid var(--line); }
h2 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 12px; }
.sub { color: var(--muted); max-width: 40em; margin: 0 0 36px; font-size: 18px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; position: relative; }
.step::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, #2a6fb0, #6b4fd6); font-weight: 700; margin-bottom: 12px; }
.step h3, .card h3 { margin: 0 0 6px; font-size: 18px; letter-spacing: -0.01em; }
.step p, .card p { margin: 0; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.card .ico { font-size: 22px; margin-bottom: 8px; }
.shot { border-radius: 16px; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0,0,0,0.5); width: 100%; height: auto; display: block; }

/* price */
.buybox { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.buycard { background: linear-gradient(180deg, #121a29, #0d131d); border: 1px solid #2a3850; border-radius: 22px; padding: 30px; }
.big { font-size: 76px; font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.big small { font-size: 18px; font-weight: 500; color: var(--muted); letter-spacing: 0; margin-left: 8px; }
.ladder { display: flex; gap: 4px; margin: 18px 0 8px; }
.ladder i { flex: 1; height: 8px; border-radius: 4px; background: #1a2436; }
.ladder i.on { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 8px; }
.ticks li::before { content: "✓"; color: var(--good); margin-right: 10px; font-weight: 700; }
.buycard .btn { width: 100%; margin-top: 22px; padding: 16px; font-size: 18px; }
.err { color: var(--bad); margin-top: 10px; min-height: 1.2em; }

details { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; margin-bottom: 10px; }
summary { cursor: pointer; padding: 14px 0; font-weight: 600; }
details p { margin: 0 0 16px; color: #b9c6dc; }

footer { border-top: 1px solid var(--line); padding: 36px 0 56px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 20px 40px; justify-content: space-between; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--muted); }
footer p { margin: 0; max-width: 46em; }

/* inner pages */
main.page { padding: 56px 0 90px; }
main.page .wrap { max-width: 760px; }
main.page h1 { font-size: 40px; }
main.page h2 { font-size: 22px; margin-top: 34px; }
main.page p, main.page li { color: #c3cfe3; }
.keybox { background: #0a0f17; border: 1px solid #2a3850; border-radius: 12px; padding: 14px; font: 12.5px/1.5 ui-monospace, Menlo, monospace; word-break: break-all; color: #cfe6ff; user-select: all; margin: 14px 0; }
input[type=email] { width: 100%; background: #0a0f17; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; font: 16px var(--font); color: var(--text); }
input[type=email]:focus { border-color: var(--accent); outline: none; }
.okbox { background: rgba(61,220,151,0.07); border: 1px solid rgba(61,220,151,0.4); border-radius: 12px; padding: 14px 16px; }
.muted { color: var(--muted); }
.spin { display: inline-block; width: 16px; height: 16px; border: 2px solid #34435a; border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; vertical-align: -3px; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .hero .wrap, .buybox { grid-template-columns: 1fr; }
  .steps, .grid { grid-template-columns: 1fr; }
  header.site nav a:not(.btn) { display: none; }
  .hero { padding-top: 36px; }
  .big { font-size: 60px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .spin { animation: none; } }