* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font, "Sora", sans-serif);
  color: var(--ink, #f5f7ff);
  background:
    radial-gradient(1100px 520px at 12% -8%, color-mix(in srgb, var(--accent, #7eb8ff) 26%, transparent), transparent 58%),
    radial-gradient(900px 480px at 88% 0%, color-mix(in srgb, var(--accent, #7eb8ff) 14%, transparent), transparent 55%),
    linear-gradient(180deg, var(--bg, #070b14), var(--bg2, #0e1524));
  transition: background .45s ease, color .35s ease;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; color: inherit; }
img { max-width: 100%; display: block; }
.hidden { display: none !important; }

.glass {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  border-radius: var(--radius);
  transition: background .3s ease, border-color .3s ease, transform .25s ease, box-shadow .25s ease;
}

.reveal {
  /* Visible by default so content never stays blank if animation is skipped */
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    animation: reveal .7s cubic-bezier(.22,1,.36,1) forwards;
  }
  .reveal.d1 { animation-delay: .08s; }
  .reveal.d2 { animation-delay: .16s; }
  .reveal.d3 { animation-delay: .24s; }
  @keyframes reveal {
    to { opacity: 1; transform: none; }
  }
}

.nav {
  position: sticky; top: 12px; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  max-width: 1200px; margin: 0 auto; padding: 12px 18px;
  border-radius: 999px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: -.03em; }
.logo {
  width: 34px; height: 34px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--accent), color-mix(in srgb, var(--accent) 45%, white));
  color: var(--accent-ink); font-weight: 800; box-shadow: 0 0 24px var(--glow);
}
.nav-links { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.nav-links a, .linkish {
  border: 0; background: transparent; cursor: pointer; color: var(--muted);
  padding: 8px 12px; border-radius: 999px;
}
.nav-links a:hover, .linkish:hover { color: var(--ink); background: color-mix(in srgb, var(--card) 70%, transparent); }

.btn {
  border: 1px solid transparent; border-radius: 999px; padding: 12px 18px; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, opacity .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 62%, white));
  color: var(--accent-ink); box-shadow: 0 12px 34px var(--glow);
}
.btn.secondary { background: var(--card-solid); border-color: var(--line); }
.btn.ghost { background: transparent; border-color: var(--line); }
.btn.danger {
  background: color-mix(in srgb, var(--danger) 16%, transparent);
  border-color: color-mix(in srgb, var(--danger) 40%, transparent); color: var(--danger);
}

.hero {
  max-width: 1200px; margin: 0 auto; padding: 42px 22px 18px;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center;
}
.eyebrow {
  display: inline-flex; gap: 8px; align-items: center; color: var(--muted);
  font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px;
}
.hero h1 {
  margin: 0; font-size: clamp(3rem, 8vw, 5.6rem); letter-spacing: -.06em; line-height: .92; font-weight: 700;
  color: var(--ink, #f5f7ff);
  text-shadow: 0 10px 40px rgba(0,0,0,.35);
}
.hero .en {
  margin: 14px 0 0; font-size: clamp(1.2rem, 2.4vw, 1.7rem); letter-spacing: -.03em; color: color-mix(in srgb, var(--ink) 88%, transparent);
}
.hero .ru { margin: 8px 0 0; color: var(--muted); font-size: 1.05rem; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

.tv-stage {
  perspective: 1200px; min-height: 420px; display: grid; place-items: center;
  position: relative;
}
.tv-stage::before {
  content: ""; position: absolute; inset: 18% 10% auto; height: 55%;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  filter: blur(28px); opacity: .7; pointer-events: none;
}
.tv {
  width: min(100%, 560px); aspect-ratio: 16/10; border-radius: 28px; padding: 14px;
  background: linear-gradient(160deg, rgba(255,255,255,.2), rgba(255,255,255,.05));
  border: 1px solid var(--line); box-shadow: var(--shadow);
  transform-style: preserve-3d; transition: transform .2s ease-out;
  position: relative; z-index: 1;
}
.tv-bezel { height: 100%; border-radius: 18px; overflow: hidden; position: relative; background: #000; }
.tv-wall {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transform: scale(1.05); transition: background-image .5s ease, filter .4s ease, transform .6s ease;
}
.tv-veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.15), transparent 35%, rgba(0,0,0,.35));
  pointer-events: none;
}
.tv-clock {
  position: absolute; top: 10%; left: 6%;
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 600; letter-spacing: -.04em;
  text-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.tv-greet { position: absolute; top: calc(10% + 3.4rem); left: 6.2%; color: rgba(255,255,255,.82); font-size: .95rem; }
.tv-date { position: absolute; top: calc(10% + 5rem); left: 6.2%; color: rgba(255,255,255,.7); font-size: .85rem; text-transform: capitalize; }
.tv-dock {
  position: absolute; left: 50%; bottom: 7%; transform: translateX(-50%);
  display: flex; gap: 10px; padding: 12px 14px; border-radius: 22px;
  background: var(--dock); border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(18px); box-shadow: 0 16px 40px rgba(0,0,0,.28);
}
.dock-icon {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(160deg, rgba(255,255,255,.55), rgba(255,255,255,.18));
  color: #111; font-size: .72rem; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease;
  position: relative;
}
.dock-icon .tip {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%) scale(.9);
  opacity: 0; white-space: nowrap; font-size: .7rem; padding: 4px 8px; border-radius: 8px;
  background: rgba(0,0,0,.55); color: #fff; pointer-events: none; transition: .18s ease;
}
.dock-icon.focus { transform: scale(1.18) translateY(-6px); box-shadow: 0 12px 28px var(--glow); }
.dock-icon.focus .tip { opacity: 1; transform: translateX(-50%) scale(1); }

.section { max-width: 1200px; margin: 0 auto; padding: 48px 22px; }
.section h2 { margin: 0 0 8px; font-size: clamp(1.7rem, 3vw, 2.3rem); letter-spacing: -.04em; }
.section .lead { color: var(--muted); margin: 0 0 24px; max-width: 42rem; }

.theme-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px;
}
.theme-card {
  padding: 0; overflow: hidden; cursor: pointer; text-align: left; width: 100%;
  border: 1px solid var(--line); background: var(--card); color: inherit;
  border-radius: calc(var(--radius) - 4px);
}
.theme-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.theme-card.selected { outline: 2px solid var(--accent); outline-offset: 2px; }
.theme-swatch {
  height: 140px; background-size: cover; background-position: center; position: relative;
}
.theme-swatch .mini-dock {
  position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%);
  height: 16px; width: 58%; border-radius: 10px; background: rgba(255,255,255,.28);
  border: 1px solid rgba(255,255,255,.25);
}
.theme-body { padding: 14px 16px 16px; }
.theme-body h3 { margin: 0 0 6px; font-size: 1.05rem; }
.theme-body p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.4; min-height: 2.6em; }
.badge-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.badge {
  font-size: .72rem; padding: 4px 8px; border-radius: 999px; border: 1px solid var(--line);
}
.badge.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.badge.demo { color: var(--muted); }

.how-grid, .feature-grid, .control-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px;
}
.how-card, .feature-card, .card { padding: 18px; }
.how-card strong, .feature-card strong { display: block; margin-bottom: 8px; }
.how-card span, .feature-card p { color: var(--muted); line-height: 1.45; }

.wizard-shell { max-width: 900px; margin: 0 auto; padding: 24px 22px 80px; }
.steps { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.step-pill {
  padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line);
  color: var(--muted); font-size: .85rem; background: color-mix(in srgb, var(--card) 60%, transparent);
}
.step-pill.active { color: var(--ink); border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.step-pill.done { color: var(--ok); }

.panel h1 { margin: 0 0 8px; letter-spacing: -.04em; font-size: clamp(1.6rem, 3vw, 2rem); }
.panel .lead { color: var(--muted); margin: 0 0 18px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.field { display: grid; gap: 8px; margin-bottom: 14px; color: var(--muted); }
.field input, .field select {
  width: 100%; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card-solid) 80%, transparent);
}
.status {
  margin-top: 10px; padding: 12px 14px; border-radius: 14px;
  background: color-mix(in srgb, var(--card) 80%, transparent); border: 1px solid var(--line);
}
.status.ok { border-color: color-mix(in srgb, var(--ok) 50%, transparent); color: var(--ok); }
.status.err { border-color: color-mix(in srgb, var(--danger) 50%, transparent); color: var(--danger); }
.progress {
  height: 8px; border-radius: 999px; background: color-mix(in srgb, var(--line) 80%, transparent);
  overflow: hidden; margin: 14px 0 8px;
}
.progress > i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 50%, white));
  transition: width .25s ease;
}
.codebox {
  display: block; padding: 14px; border-radius: 14px;
  background: color-mix(in srgb, var(--card-solid) 90%, black 10%);
  border: 1px solid var(--line); overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; margin-top: 10px;
}
.pair-code { font-size: 2.4rem; letter-spacing: .28em; font-weight: 700; margin: 8px 0; }
.device-list { display: grid; gap: 8px; margin: 12px 0; }
.device-item {
  text-align: left; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line);
  background: transparent; cursor: pointer;
}
.device-item.selected { border-color: var(--accent); }
.help { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.55; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.tab {
  border: 1px solid var(--line); background: transparent; border-radius: 999px;
  padding: 8px 14px; cursor: pointer; color: var(--muted);
}
.tab.active { color: var(--ink); border-color: var(--accent); }
.app-row, .rec-item {
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
  padding: 12px; border-radius: 14px; border: 1px solid var(--line); margin-bottom: 8px;
}
.screenshot { width: 100%; border-radius: 16px; border: 1px solid var(--line); margin-top: 12px; }
.footer {
  max-width: 1200px; margin: 0 auto; padding: 24px 22px 40px;
  display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: .9rem;
}
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center;
  z-index: 60; padding: 20px;
}
.modal { width: min(520px, 100%); padding: 22px; }
.page { display: none; }
.page.active { display: block; animation: rise .35s ease; }
@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 28px; }
  .tv-stage { min-height: 300px; order: -1; }
  .nav-links .hide-sm { display: none; }
}
@media (max-width: 640px) {
  .nav { border-radius: 22px; }
  .pair-code { font-size: 1.7rem; letter-spacing: .18em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; animation: none !important; }
  .tv { transition: none !important; }
  .dock-icon { transition: none !important; }
}