:root {
  --bg: #09090d;
  --panel: rgba(22, 22, 30, 0.72);
  --panel-solid: #15151d;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f4f8;
  --muted: #9b9bb0;
  --accent: #ffe14d;
  --accent-2: #ff8a3d;
  --ink: #141208;
  --violet: #7c5cff;
  --pink: #ff4fa3;
  --ok: #4ade80;
  --danger: #ff6b6b;
  --r-lg: 24px;
  --r-md: 16px;
  --r-sm: 12px;
  --shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6);
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--accent); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* background glow */
.glow {
  position: fixed; inset: -20vh -10vw auto; height: 90vh; z-index: -1; pointer-events: none;
  background:
    radial-gradient(40vw 30vh at 20% 30%, rgba(124, 92, 255, 0.22), transparent 70%),
    radial-gradient(35vw 30vh at 80% 20%, rgba(255, 79, 163, 0.16), transparent 70%),
    radial-gradient(30vw 25vh at 60% 60%, rgba(255, 225, 77, 0.08), transparent 70%);
  filter: blur(10px);
}

/* header */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px max(24px, calc((100vw - 1180px) / 2 + 24px));
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(9, 9, 13, 0.85), rgba(9, 9, 13, 0.4));
}
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; font-size: 21px; letter-spacing: -0.6px; color: var(--text); text-decoration: none; }
.logo.small { font-size: 17px; }
.logo-mark {
  width: 26px; height: 26px; border-radius: 8px; background: var(--accent); position: relative; flex: none;
  box-shadow: 0 0 24px rgba(255, 225, 77, 0.45);
}
.logo-mark::after { content: ""; position: absolute; left: 10px; top: 7px; border-left: 9px solid var(--bg); border-top: 6px solid transparent; border-bottom: 6px solid transparent; }
nav { display: flex; gap: 22px; align-items: center; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; }
nav a:hover { color: var(--text); }
.badge { background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line-strong); padding: 5px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; }

main { max-width: 1180px; margin: 0 auto; padding: 0 24px 60px; }

/* type */
h1 { font-size: clamp(48px, 7.4vw, 96px); line-height: 1.02; letter-spacing: -2.4px; margin: 14px 0 18px; font-weight: 850; }
h1 mark {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
h2 { font-size: clamp(28px, 3.6vw, 42px); letter-spacing: -1.2px; line-height: 1.1; margin: 6px 0 0; font-weight: 800; }
h3 { margin: 0; font-size: 19px; letter-spacing: -0.3px; }
.sub { color: var(--muted); font-size: 18px; max-width: 540px; margin: 0 0 28px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; margin: 0; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.eyebrow.ok .dot { background: var(--ok); box-shadow: 0 0 12px var(--ok); }

/* hero */
.hero { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 40px; align-items: center; padding: 48px 0 64px; min-height: min(760px, calc(100vh - 70px)); }
.notice { background: rgba(255, 225, 77, 0.07); border: 1px solid rgba(255, 225, 77, 0.25); color: #f3dd8b; padding: 10px 14px; border-radius: var(--r-sm); margin-bottom: 16px; font-size: 14px; }

/* composer */
.composer {
  background: var(--panel); border: 1px solid var(--line-strong); border-radius: var(--r-lg); padding: 10px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.prompt { display: flex; gap: 8px; background: rgba(0, 0, 0, 0.35); border: 1px solid var(--line); border-radius: 18px; padding: 6px; transition: border-color 0.2s, box-shadow 0.2s; }
.prompt:focus-within { border-color: rgba(255, 225, 77, 0.6); box-shadow: 0 0 0 4px rgba(255, 225, 77, 0.12); }
.prompt input { flex: 1; min-width: 0; background: transparent; border: 0; outline: 0; color: var(--text); font: 500 18px var(--font); padding: 12px 12px; }
.prompt input::placeholder { color: #6e6e84; }
.options { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 12px 6px 4px; }
.selects { display: flex; gap: 8px; align-items: center; }

.cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer;
  background: linear-gradient(100deg, var(--accent), #ffd23a); color: var(--ink);
  font: 800 16px var(--font); padding: 14px 22px; border-radius: 14px; text-decoration: none; white-space: nowrap;
  box-shadow: 0 10px 30px -8px rgba(255, 225, 77, 0.55); transition: transform 0.15s, box-shadow 0.15s, filter 0.15s;
}
.cta:hover { transform: translateY(-1px); filter: brightness(1.05); box-shadow: 0 14px 36px -8px rgba(255, 225, 77, 0.7); }
.cta:active { transform: translateY(0); }
.cta:disabled { opacity: 0.6; cursor: wait; transform: none; }
.cta.wide, .ghost-btn.wide { width: 100%; }
.ghost-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; text-decoration: none;
  background: rgba(255, 255, 255, 0.05); color: var(--text); border: 1px solid var(--line-strong);
  font: 700 15px var(--font); padding: 12px 18px; border-radius: 14px; transition: background 0.15s, border-color 0.15s;
}
.ghost-btn:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.28); }
nav .ghost-btn { padding: 6px 12px; font-size: 13px; border-radius: 999px; }
.link { background: none; border: 0; color: var(--muted); font: inherit; text-decoration: underline; cursor: pointer; margin-top: 8px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button, .segmented button {
  background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 13px; font: 600 14px var(--font); cursor: pointer; transition: all 0.15s;
}
.chips button:hover, .segmented button:hover { color: var(--text); border-color: var(--line-strong); }
.chips button[aria-checked="true"] { background: rgba(255, 225, 77, 0.12); color: var(--accent); border-color: rgba(255, 225, 77, 0.5); }
.segmented { display: inline-flex; background: rgba(0, 0, 0, 0.3); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.segmented button { border: 0; padding: 6px 11px; }
.segmented button[aria-checked="true"] { background: rgba(255, 255, 255, 0.12); color: var(--text); }
.select { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); background: rgba(0, 0, 0, 0.3); border: 1px solid var(--line); border-radius: 999px; padding: 0 6px 0 12px; }
.select select { appearance: none; -webkit-appearance: none; background: transparent; border: 0; color: var(--text); font: 600 14px var(--font); padding: 8px 18px 8px 0; cursor: pointer; outline: 0;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: right 6px center, right 2px center; background-size: 4px 4px; background-repeat: no-repeat; }
.select select option { background: var(--panel-solid); }
.try { margin: 10px 6px 4px; color: #6e6e84; font-size: 13px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.suggest { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; padding: 2px 6px; border-radius: 6px; border: 1px dashed var(--line-strong); }
.suggest:hover { color: var(--text); border-color: var(--muted); }

/* phone mockups */
.hero-visual { position: relative; height: 600px; }
.phone {
  position: absolute; width: 230px; border-radius: 34px; padding: 8px;
  background: linear-gradient(160deg, #2a2a35, #121218); border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow), 0 0 0 1px rgba(0, 0, 0, 0.6) inset;
}
.screen { position: relative; width: 100%; aspect-ratio: 9 / 16; border-radius: 27px; overflow: hidden; background-size: 200% 200%; animation: pan 12s ease-in-out infinite alternate; }
.screen::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(0, 0, 0, 0.25), transparent 30%, transparent 55%, rgba(0, 0, 0, 0.55)); }
.s1 { background-image: radial-gradient(circle at 30% 20%, #ff9b45, transparent 45%), radial-gradient(circle at 70% 80%, #3b1d6b, transparent 55%), linear-gradient(160deg, #6a2c1a, #1b0f2d); }
.s2 { background-image: radial-gradient(circle at 60% 30%, #2bd1ff, transparent 45%), radial-gradient(circle at 20% 80%, #0d3b66, transparent 55%), linear-gradient(160deg, #0a4f6e, #071726); }
.s3 { background-image: radial-gradient(circle at 40% 25%, #ff4fa3, transparent 40%), radial-gradient(circle at 70% 75%, #2b0f4d, transparent 55%), linear-gradient(160deg, #4b1240, #0f0a1f); }
@keyframes pan { from { background-position: 0% 0%; } to { background-position: 100% 100%; } }
.screen video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.topic { position: absolute; z-index: 2; top: 16px; left: 14px; font-size: 11px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; background: rgba(0, 0, 0, 0.45); padding: 4px 9px; border-radius: 999px; }
.cap { position: absolute; z-index: 2; left: 10px; right: 10px; top: 58%; text-align: center; font-weight: 900; font-size: 19px; line-height: 1.15; letter-spacing: 0.2px; text-shadow: 0 2px 0 #000, 0 0 2px #000, 2px 0 0 #000, -2px 0 0 #000, 0 -2px 0 #000; }
.cap span { display: inline-block; transition: transform 0.15s, color 0.15s; margin: 0 3px; }
.cap span.on { color: var(--accent); transform: scale(1.12); }
.p1 { left: 0; top: 80px; width: 168px; transform: rotate(-4deg); animation: float 7s ease-in-out infinite; }
.p2 { left: calc(50% - 98px); top: 0; z-index: 2; width: 196px; animation: float 6s ease-in-out -2s infinite; }
.p3 { right: 0; top: 110px; width: 168px; transform: rotate(4deg); animation: float 8s ease-in-out -4s infinite; }
.p1, .p3 { border-radius: 26px; padding: 6px; }
.p1 .screen, .p3 .screen { border-radius: 21px; }
@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }

/* panels */
.panel { background: var(--panel); border: 1px solid var(--line-strong); border-radius: var(--r-lg); padding: 26px; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: var(--shadow); }
.result { scroll-margin-top: 90px; margin-bottom: 40px; }
.progress { max-width: 720px; margin: 0 auto; }
.progress-head { display: flex; gap: 14px; align-items: center; margin-bottom: 18px; }
.stage { font-weight: 800; font-size: 19px; }
.spinner { width: 34px; height: 34px; border-radius: 50%; border: 3px solid rgba(255, 255, 255, 0.12); border-top-color: var(--accent); animation: spin 0.9s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.bar { height: 8px; background: rgba(255, 255, 255, 0.07); border-radius: 999px; overflow: hidden; }
.bar > div { height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.6s ease; box-shadow: 0 0 16px rgba(255, 225, 77, 0.6); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; list-style: none; padding: 0; margin: 18px 0 0; }
.steps li { font-size: 13px; font-weight: 700; color: #6e6e84; display: flex; gap: 8px; align-items: center; }
.steps li::before { content: ""; width: 18px; height: 18px; border-radius: 50%; border: 2px solid #3a3a4a; flex: none; box-sizing: border-box; }
.steps li.active { color: var(--text); }
.steps li.active::before { border-color: var(--accent); border-top-color: transparent; animation: spin 0.9s linear infinite; }
.steps li.done { color: var(--muted); }
.steps li.done::before { border: 0; background: var(--ok) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12l4 4 8-8' fill='none' stroke='%2309090d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat; }

.done { display: grid; grid-template-columns: auto 1fr; gap: 36px; align-items: start; }
.phone.big { position: relative; width: 300px; aspect-ratio: auto; padding: 8px; }
.phone.big video { display: block; width: 100%; aspect-ratio: 9 / 16; border-radius: 26px; background: #000; object-fit: cover; }
.side { display: flex; flex-direction: column; gap: 14px; max-width: 520px; padding-top: 6px; }
.side h2 { font-size: 30px; }
.caption-box { background: rgba(0, 0, 0, 0.3); border: 1px solid var(--line); border-radius: var(--r-md); padding: 12px; }
.caption-head { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 6px; }
.caption-head .ghost-btn { padding: 6px 12px; font-size: 13px; text-transform: none; letter-spacing: 0; }
textarea { width: 100%; resize: vertical; background: transparent; border: 0; color: var(--text); font: 15px/1.5 var(--font); outline: 0; }
.error { color: var(--danger); margin: 12px 0 0; }
.error.panel { color: var(--danger); text-align: center; }

/* sections */
.block { padding: 64px 0 0; scroll-margin-top: 80px; }
.block-head { text-align: center; margin-bottom: 34px; }
.block-head .sub { margin: 12px auto 0; }

.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.thumb { position: relative; border-radius: var(--r-md); overflow: hidden; aspect-ratio: 9 / 16; background: #111; border: 1px solid var(--line); cursor: pointer; padding: 0; text-align: left; color: var(--text); transition: transform 0.15s, border-color 0.15s; }
.thumb:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.thumb video { width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; }
.thumb .meta { position: absolute; inset: auto 0 0; padding: 30px 10px 10px; background: linear-gradient(transparent, rgba(0, 0, 0, 0.85)); font-size: 13px; font-weight: 700; line-height: 1.3; }

.langs { margin: 20px -24px 0; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee .track { display: flex; gap: 14px; width: max-content; animation: marquee 30s linear infinite; padding: 6px 0; }
.marquee span { font-weight: 800; font-size: 22px; color: #4b4b5e; padding: 8px 20px; border: 1px solid var(--line); border-radius: 999px; white-space: nowrap; }
@keyframes marquee { to { transform: translateX(-50%); } }

.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.how-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px; }
.how-card p { color: var(--muted); margin: 8px 0 0; }
.num { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: rgba(255, 225, 77, 0.12); color: var(--accent); font-weight: 900; margin-bottom: 16px; }

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; }
.plan.featured { border-color: rgba(255, 225, 77, 0.55); background: linear-gradient(180deg, rgba(255, 225, 77, 0.08), var(--panel) 40%); box-shadow: 0 30px 80px -30px rgba(255, 225, 77, 0.35); }
.tag { position: absolute; top: -12px; left: 28px; background: var(--accent); color: var(--ink); font-size: 12px; font-weight: 800; padding: 4px 10px; border-radius: 999px; }
.price { font-size: 46px; font-weight: 900; letter-spacing: -1.5px; margin: 10px 0 2px; }
.price small { font-size: 16px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 20px 0 24px; display: grid; gap: 10px; flex: 1; }
.plan li { display: flex; gap: 10px; align-items: center; }
.plan li::before { content: "✓"; color: var(--ok); font-weight: 900; width: 16px; }
.plan li.no { color: var(--muted); }
.plan li.no::before { content: "–"; color: var(--muted); }

.faq { max-width: 760px; margin: 0 auto; }
details { border-bottom: 1px solid var(--line); padding: 18px 4px; }
summary { cursor: pointer; font-weight: 700; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--muted); font-size: 22px; line-height: 1; transition: transform 0.2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin: 10px 0 0; }

/* modal */
.modal { position: fixed; inset: 0; z-index: 50; background: rgba(4, 4, 8, 0.72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); display: grid; place-items: center; padding: 20px; }
.modal .panel { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--panel-solid); }
.modal-card { max-width: 420px; width: 100%; text-align: center; display: flex; flex-direction: column; gap: 10px; animation: pop 0.25s ease-out; }
.modal-card h2 { font-size: 26px; }
.modal-icon { font-size: 30px; width: 60px; height: 60px; display: grid; place-items: center; margin: 0 auto 6px; border-radius: 18px; background: rgba(255, 225, 77, 0.12); }
@keyframes pop { from { transform: scale(0.96); opacity: 0; } }

footer { max-width: 1180px; margin: 40px auto 0; padding: 30px 24px 40px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* tablet */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 28px; gap: 10px; }
  .hero-visual { height: 460px; order: 2; max-width: 560px; width: 100%; margin: 0 auto; }
  .done { grid-template-columns: 1fr; justify-items: center; }
  .side { max-width: 560px; width: 100%; }
}

/* phone */
@media (max-width: 640px) {
  main { padding: 0 16px 40px; }
  .top { padding: 12px 16px; }
  nav { gap: 12px; }
  nav a[href="#how"] { display: none; }
  h1 { letter-spacing: -1.6px; }
  .sub { font-size: 16px; }
  .prompt { flex-direction: column; }
  .prompt .cta { width: 100%; padding: 15px; }
  .options { flex-direction: column; align-items: stretch; }
  .selects { justify-content: space-between; }
  .hero-visual { height: 430px; }
  .p1, .p3 { display: none; }
  .p2 { width: 228px; left: calc(50% - 114px); }
  .suggest:nth-of-type(3) { display: none; }
  .how, .plans { grid-template-columns: 1fr; }
  .plan.featured { order: -1; }
  .plans { row-gap: 22px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .phone.big { width: min(300px, 82vw); }
  .panel { padding: 18px; }
  .langs { margin: 10px -16px 0; }
  .marquee span { font-size: 17px; }
  footer { flex-direction: column; gap: 10px; }
}