:root {
  color-scheme: dark;
  --ink: #f7faf8;
  --muted: #b7c3be;
  --faint: #82918b;
  --line: rgba(255, 255, 255, .12);
  --panel: rgba(255, 255, 255, .055);
  --accent: #80efca;
  --accent-ink: #08251d;
  --glow: rgba(24, 196, 145, .22);
  --background: #07130f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, var(--glow), transparent 34rem),
    radial-gradient(circle at 90% 32%, rgba(93, 78, 205, .12), transparent 35rem),
    var(--background);
}
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 28px 0; }
.back { color: var(--muted); text-decoration: none; }
.back:hover { color: var(--ink); }
.language-switcher { display: inline-flex; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.045); }
.language-switcher button { min-width: 42px; min-height: 34px; padding: 0 10px; border: 0; border-radius: 999px; color: var(--muted); background: transparent; font: inherit; font-size: .8rem; font-weight: 750; cursor: pointer; }
.language-switcher button[aria-pressed="true"] { color: var(--accent-ink); background: var(--accent); }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .72fr); align-items: center; gap: clamp(36px, 7vw, 90px); padding: 62px 0 76px; }
.identity { display: flex; align-items: center; gap: 20px; }
.app-icon { width: 104px; height: 104px; border-radius: 25px; box-shadow: 0 24px 58px rgba(0,0,0,.32); }
h1 { margin: 0; font-size: clamp(2.8rem, 7vw, 5.8rem); line-height: .94; letter-spacing: -.06em; }
.tagline { margin: 28px 0 0; color: var(--muted); font-size: clamp(1.12rem, 2vw, 1.32rem); line-height: 1.65; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 0; }
.badge { padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; color: #d7e1dd; font-size: .8rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 19px; border-radius: 14px; font-weight: 720; text-decoration: none; }
.button.primary { color: var(--accent-ink); background: var(--accent); }
.button.secondary { color: #dce6e2; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.03); }
.button.pending { color: var(--muted); border: 1px dashed rgba(255,255,255,.22); background: transparent; cursor: default; }
.store-note { margin: 12px 0 0; color: var(--faint); font-size: .85rem; }
.device { position: relative; min-height: 560px; display: flex; align-items: flex-end; justify-content: center; overflow: hidden; padding: 42px 30px 0; border: 1px solid var(--line); border-radius: 36px; background: linear-gradient(155deg, rgba(255,255,255,.11), rgba(255,255,255,.025)); box-shadow: 0 34px 90px rgba(0,0,0,.25); }
.device::before { content: ""; position: absolute; inset: 18% 12%; border-radius: 50%; background: var(--glow); filter: blur(54px); }
.device img { position: relative; display: block; width: min(100%, 320px); max-height: 530px; object-fit: cover; object-position: top; border-radius: 27px 27px 0 0; box-shadow: 0 25px 65px rgba(0,0,0,.38); }
.gallery-section { padding: 0 0 84px; }
.gallery { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-left: 2px; padding: 2px 2px 18px; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.22) transparent; }
.gallery img { flex: 0 0 auto; display: block; width: auto; height: clamp(380px, 52vw, 560px); border: 1px solid var(--line); border-radius: 24px; background: var(--panel); scroll-snap-align: start; }
.gallery.landscape img { height: clamp(220px, 36vw, 420px); }
.section-label { margin: 0 0 22px; color: var(--faint); font-size: .86rem; font-weight: 760; letter-spacing: .11em; text-transform: uppercase; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { min-height: 230px; padding: 28px; border: 1px solid var(--line); border-radius: 26px; background: var(--panel); }
.feature .number { color: var(--accent); font-size: .8rem; font-weight: 760; letter-spacing: .1em; }
.feature h2 { margin: 34px 0 10px; font-size: 1.35rem; letter-spacing: -.025em; }
.feature p { margin: 0; color: var(--muted); line-height: 1.65; }
.resources { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; padding: 84px 0 10px; }
.resource { display: block; min-height: 165px; padding: 26px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.035); text-decoration: none; }
.resource:hover { border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.06); }
.resource h2 { margin: 0 0 10px; font-size: 1.18rem; }
.resource p { margin: 0; color: var(--muted); line-height: 1.6; }
.resource .arrow { display: block; margin-top: 22px; color: var(--accent); font-weight: 700; }
footer { display: flex; justify-content: space-between; gap: 18px; padding: 62px 0 34px; color: var(--faint); font-size: .88rem; }
footer a { color: var(--muted); text-decoration: none; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 42px; }
  .device { min-height: 480px; }
  .device img { max-height: 450px; }
  .features { grid-template-columns: 1fr; }
  .feature { min-height: 0; }
  .gallery img { height: 440px; }
  .gallery.landscape img { height: 260px; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 28px, 1120px); }
  .topbar { padding: 20px 0; }
  .identity { align-items: flex-start; flex-direction: column; }
  .app-icon { width: 86px; height: 86px; border-radius: 21px; }
  .resources { grid-template-columns: 1fr; padding-top: 62px; }
  .gallery-section { padding-bottom: 62px; }
  .gallery img { height: 400px; border-radius: 20px; }
  .gallery.landscape img { height: 220px; }
  footer { flex-direction: column; }
}