:root {
  color-scheme: dark;
  --bg: #0b1416;
  --panel: #101f22;
  --panel-2: #14282b;
  --text: #f4fbfa;
  --muted: #a8bfbc;
  --accent: #5fdfd4;
  --line: rgba(255,255,255,.09);
  --shadow: 0 26px 70px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 15% 0%, rgba(95,223,212,.12), transparent 34rem),
    radial-gradient(circle at 85% 18%, rgba(95,223,212,.08), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Arial, sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: auto;
  padding: 54px 0 34px;
}

.hero {
  text-align: center;
  padding: 50px 22px 42px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(20,40,43,.96), rgba(16,31,34,.92));
  box-shadow: var(--shadow);
}

.brand-mark {
  width: 92px;
  height: 92px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  border-radius: 26px;
  color: #08201f;
  background: linear-gradient(135deg, #83efe6, #45cfc3);
  box-shadow: 0 18px 42px rgba(95,223,212,.23);
  font-weight: 900;
  letter-spacing: -2px;
  font-size: 29px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: .05em;
}

h1 {
  margin: 0 auto;
  max-width: 780px;
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1.13;
  letter-spacing: -.035em;
}

.subtitle {
  max-width: 650px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: clamp(17px, 2.6vw, 21px);
  line-height: 1.9;
}

.store-buttons {
  margin: 34px auto 0;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  direction: ltr;
}

.store-button {
  min-width: 220px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  color: #fff;
  background: #050707;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 15px;
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.store-button:hover {
  transform: translateY(-2px);
  border-color: rgba(95,223,212,.68);
  box-shadow: 0 12px 32px rgba(0,0,0,.25);
}

.store-button small {
  display: block;
  font-size: 11px;
  line-height: 1.05;
  opacity: .78;
}

.store-button strong {
  display: block;
  font-size: 20px;
  line-height: 1.1;
  margin-top: 2px;
}

.store-icon {
  width: 34px;
  text-align: center;
  font-size: 34px;
  line-height: 1;
}

.store-icon.play {
  font-size: 26px;
}

.availability {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.info {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.info-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(16,31,34,.78);
}

.info-card h2 {
  margin: 0 0 9px;
  color: var(--accent);
  font-size: 22px;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

footer {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 30px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: #78918e;
  font-size: 13px;
  border-top: 1px solid var(--line);
}

.domain { direction: ltr; }

@media (max-width: 700px) {
  .shell { padding-top: 24px; }
  .hero { padding: 34px 16px 30px; border-radius: 24px; }
  .brand-mark { width: 78px; height: 78px; border-radius: 22px; font-size: 25px; }
  .info { grid-template-columns: 1fr; }
  .store-buttons { flex-direction: column; align-items: stretch; }
  .store-button { width: 100%; justify-content: center; }
  footer { flex-direction: column; align-items: center; text-align: center; }
}