/* Design tokens */
:root {
  --bg-from: 245 74% 98%;
  --bg-to: 217 70% 97%;
  --card-bg: 0 0% 100%;
  --text: 220 15% 12%;
  --muted: 220 10% 40%;
  --btn-bg: 220 15% 12%;
  --btn-tx: 0 0% 100%;
  --ring: 200 90% 40%;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-from: 165 20% 8%;
    --bg-to: 210 25% 10%;
    --card-bg: 220 15% 10%;
    --text: 210 15% 96%;
    --muted: 210 10% 70%;
    --btn-bg: 0 0% 100%;
    --btn-tx: 220 20% 10%;
    --ring: 190 80% 55%;
  }
}

/* Layout base */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100svh;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: hsl(var(--text));
  background:
    radial-gradient(1200px 800px at 75% 10%, hsl(180 80% 95% / 0.6), transparent 60%),
    radial-gradient(1000px 700px at 20% 90%, hsl(200 85% 92% / 0.5), transparent 60%),
    linear-gradient(140deg, hsl(var(--bg-from)), hsl(var(--bg-to)));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  padding-top: calc(16px + env(safe-area-inset-top));
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
  padding-left: calc(16px + env(safe-area-inset-left));
  padding-right: calc(16px + env(safe-area-inset-right));
  overflow-x: hidden;
  overscroll-behavior: contain;
}

/* Components */
.card {
  width: 100%;
  max-width: 520px;
  background: hsl(var(--card-bg) / 0.82);
  backdrop-filter: saturate(120%) blur(6px);
  border: 1px solid hsl(210 20% 90% / 0.25);
  box-shadow:
    0 10px 30px hsl(210 30% 20% / 0.08),
    0 2px 8px hsl(210 30% 20% / 0.06);
  border-radius: 20px;
  padding: 28px 24px;
  text-align: center;
}

.logo {
  width: 112px;
  height: auto;
  border-radius: 22%;
  box-shadow: 0 6px 18px hsl(210 30% 20% / 0.15);
}

h1 {
  font-size: clamp(20px, 4vw, 24px);
  margin: 18px 0 8px;
  letter-spacing: 0.2px;
}

p {
  margin: 0.6rem 0;
  line-height: 1.5;
  color: hsl(var(--muted));
}

.stores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.stores:has(.hidden) {
  grid-template-columns: 1fr;
}

@media (max-width: 420px) {
  .stores { grid-template-columns: 1fr; }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  background: hsl(var(--btn-bg));
  color: hsl(var(--btn-tx));
  border: 1px solid hsl(210 20% 90% / 0.25);
  box-shadow: 0 6px 16px hsl(210 30% 20% / 0.12);
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px hsl(var(--ring) / 0.35), 0 6px 16px hsl(210 30% 20% / 0.12);
}

.tag {
  display: inline-block;
  margin-top: 10px;
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 999px;
  color: hsl(var(--btn-tx));
  background: linear-gradient(90deg, hsl(160 70% 45%), hsl(200 80% 55%));
  box-shadow: inset 0 0 0 1px hsl(0 0% 100% / 0.15), 0 6px 16px hsl(200 80% 40% / 0.18);
}

.hidden { display: none !important; }

.foot {
  margin-top: 18px;
  font-size: 12px;
  color: hsl(var(--muted));
}

/* Page-specific adjustments */
.page-index .btn { width: 100%; }

.page-404 .card {
  width: 100%;
  max-width: 480px;
  padding: 36px 28px;
}
.page-404 .logo { width: 90px; }
.page-404 h1 {
  font-size: clamp(28px, 6vw, 36px);
  margin: 0;
  letter-spacing: -0.5px;
}
.page-404 p {
  margin: 12px 0 24px;
  line-height: 1.6;
  font-size: 15px;
}