:root {
  --bg: #f3efe8;
  --ink: #1b1422;
  --muted: #6d6274;
  --line: rgba(27, 20, 34, 0.12);
  --card: rgba(255, 252, 248, 0.92);
  --rose: #e4377a;
  --phone: #fff4fb;
  --phone-ink: #2b1148;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100dvh;
  font-family: Nunito, system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 100% -10%, rgba(228, 55, 122, 0.16), transparent 55%),
    radial-gradient(700px 380px at -10% 20%, rgba(91, 108, 255, 0.12), transparent 50%),
    var(--bg);
}
.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
a { color: inherit; }
.topbar, main, footer { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(18px + env(safe-area-inset-top)) 0 8px;
}
.brand {
  font-family: Fredoka, sans-serif;
  font-size: 1.35rem;
  text-decoration: none;
  letter-spacing: -0.03em;
}
.badge, .pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #fff;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  gap: 36px;
  align-items: center;
  min-height: calc(100dvh - 92px);
  padding: 12px 0 28px;
}
.eyebrow, .muted, .fine { color: var(--muted); }
h1, h2, h3 { font-family: Fredoka, sans-serif; letter-spacing: -0.03em; margin: 0 0 8px; }
h1 { font-size: clamp(3.2rem, 7vw, 6rem); line-height: 0.9; }
.lead { font-size: clamp(1.25rem, 2vw, 1.7rem); max-width: 16ch; margin: 0 0 14px; }
.stage { position: relative; min-height: 560px; display: grid; place-items: center; }
.phone {
  width: min(100%, 300px);
  padding: 12px;
  border-radius: 36px;
  background: #1b1422;
  box-shadow: 0 30px 70px rgba(27, 20, 34, 0.22);
  animation: float 4.8s ease-in-out infinite alternate;
}
.screen {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  border-radius: 26px;
  background: var(--phone);
  color: var(--phone-ink);
  padding: 18px 14px 72px;
}
.appbar, .mock-nav { display: flex; justify-content: space-between; align-items: center; }
.appbar { margin-bottom: 14px; }
.appbar b { font-family: Fredoka, sans-serif; }
.lesson {
  background: #fff;
  border-radius: 16px;
  padding: 12px 14px;
  margin-bottom: 10px;
  box-shadow: 0 8px 0 rgba(255, 61, 110, 0.08);
}
.lesson small { display: block; color: #7a4d7e; font-size: 0.75rem; }
.lesson.now { outline: 2px solid #ff4db8; }
.lesson.soft { opacity: 0.85; }
.mock-nav {
  position: absolute;
  left: 10px; right: 10px; bottom: 10px;
  background: #fff;
  border-radius: 16px;
  padding: 10px 6px;
  font-size: 0.62rem;
  font-weight: 800;
}
.veil {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 58%;
  backdrop-filter: blur(7px);
  background: linear-gradient(to bottom, rgba(255,244,251,0), rgba(255,244,251,.72));
  transition: opacity 420ms ease, backdrop-filter 420ms ease;
}
.gate {
  position: absolute;
  z-index: 2;
  width: min(100%, 340px);
  padding: 22px 20px 18px;
  border-radius: 22px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px rgba(27, 20, 34, 0.16);
  text-align: center;
  transition: opacity 420ms ease, transform 420ms ease;
}
.lock { color: var(--ink); }
.shackle { transform-origin: 12px 8px; transition: transform 280ms ease; }
.kicker { font-size: 0.78rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; color: var(--rose); }
.pin { position: relative; height: 58px; margin: 14px 0 6px; }
.pin input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  font-size: 16px;
  border: 0;
}
.slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; height: 100%; }
.slots i {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
}
.slots i.on { background: var(--ink); }
.pin:focus-within .slots { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 14px; }
.hint { min-height: 1.2em; margin: 0 0 8px; color: #8a5a2b; font-size: 0.92rem; }
.btn, .btn.ghost {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 48px;
  margin-top: 8px;
  border-radius: 14px;
  border: 0;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn:hover { transform: translateY(-1px); }
.fine { font-size: 0.82rem; }
.block { padding: 28px 0 8px; }
.block[hidden] { display: none; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.cards article, .status, .install {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
}
.cards p, .block p { margin: 0; color: var(--muted); }
.install {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  align-items: center;
  background: transparent;
  border: 0;
  padding: 0;
}
.install-copy, .qr-panel { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 18px; }
#qr { width: min(100%, 240px); margin: 12px auto 0; background: #fff; padding: 12px; }
#qr svg { width: 100%; height: auto; display: block; }
.text-link { display: inline-block; margin-top: 12px; color: var(--muted); }
footer {
  padding: 28px 0 calc(24px + env(safe-area-inset-bottom));
  color: var(--muted);
  font-size: 0.85rem;
}
.is-open .veil { opacity: 0; backdrop-filter: none; }
.is-unlocking .gate { opacity: 0; transform: translateY(8px) scale(0.98); pointer-events: none; }
.is-unlocking .shackle { transform: translateY(-2px) rotate(-18deg); }
@keyframes float { from { transform: translateY(0); } to { transform: translateY(-8px); } }
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .lead { max-width: none; }
  .stage { min-height: 520px; }
  .cards, .install { grid-template-columns: 1fr; }
  .qr-panel { order: 2; }
}
@media (prefers-reduced-motion: reduce) {
  .phone, .gate, .veil, .shackle, .btn { animation: none; transition: none; }
}