:root {
  --outer-frame: #C5BEB6;
  --card-default: #F3EBE2;
  --card-accent-1: #C3DED8;
  --card-accent-2: #C4CFDE;
  --card-accent-3: #D5DCBA;
  --text-primary: #1A1A1A;
  --text-secondary: #3D3D3D;
  --text-tertiary: #6B6B6B;
  --radius-card: 16px;
  --gap: 6px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Funnel Sans", system-ui, -apple-system, sans-serif;
  background: var(--outer-frame);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ── Page shell ── */
.page {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--gap);
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.card { border-radius: var(--radius-card); }

/* ── Hero (landing) ── */
.hero {
  background: var(--card-default);
  text-align: center;
  padding: 80px 48px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero-title {
  font-size: 64px;
  letter-spacing: -0.5px;
  line-height: 1.05;
  max-width: 800px;
  font-weight: 700;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 500px;
}

/* ── Bento grid ── */
.row {
  display: flex;
  gap: var(--gap);
}

/* Thermal card (landing) */
.thermal-card {
  flex: 1;
  background: var(--card-accent-1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 48px 40px;
  text-decoration: none;
  color: inherit;
  transition: transform 150ms ease;
}

.thermal-card:hover {
  transform: scale(1.005);
}

.app-icon {
  border-radius: 28px;
  width: 128px;
  height: 128px;
}

.app-icon-lg {
  border-radius: 42px;
  width: 192px;
  height: 192px;
}

.app-name { font-size: 24px; }
.app-desc { font-size: 14px; color: var(--text-secondary); }

/* Coming soon cards */
.coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 48px 40px;
}

.coming-soon-side {
  background: var(--card-default);
  width: 400px;
  flex-shrink: 0;
}

.coming-soon-bottom {
  flex: 1;
  height: 240px;
  opacity: 0.6;
}

.bg-accent-2 { background: var(--card-accent-2); }
.bg-accent-3 { background: var(--card-accent-3); }

.soon-icon { color: var(--text-tertiary); opacity: 0.4; }
.soon-label { font-size: 16px; color: var(--text-tertiary); opacity: 0.6; }

/* ── Thermal detail ── */
.detail-content {
  background: var(--card-default);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  padding: 80px 48px;
}

.detail-name {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.detail-desc {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-secondary);
  text-align: center;
  max-width: 520px;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text-primary);
  color: var(--card-default);
  padding: 14px 32px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: transform 150ms ease;
}

.store-btn:hover {
  transform: translateY(-1px);
  color: var(--card-default);
}

.store-btn svg { flex-shrink: 0; }

/* Feature cards */
.features-row {
  display: flex;
  gap: var(--gap);
}

.feat-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px;
  text-align: center;
}

.feat-card svg { flex-shrink: 0; }
.feat-title { font-size: 16px; font-weight: 500; }
.feat-desc { font-size: 13px; color: var(--text-tertiary); font-weight: 400; }

/* ── Back link ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-card);
  background: var(--card-default);
  align-self: flex-start;
  transition: transform 150ms ease;
}

.back-link:hover {
  transform: translateX(-2px);
  color: var(--text-primary);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-title { font-size: 48px; }
  .hero { padding: 60px 32px 40px; }
  .detail-content { padding: 60px 32px; }
  .detail-name { font-size: 36px; }
}

@media (max-width: 640px) {
  .hero-title { font-size: 36px; }
  .row { flex-direction: column; }
  .coming-soon-side { width: 100%; }
  .coming-soon-bottom { height: 180px; }
  .features-row { flex-direction: column; }
  .detail-content { padding: 48px 24px; }
  .app-icon-lg { width: 140px; height: 140px; border-radius: 32px; }
}