:root {
  --sakura-primary: #C8577A;
  --sakura-primary-container: #FFD9E1;
  --sakura-secondary: #6A5F75;
  --sakura-tertiary: #3F7A6E;
  --sakura-surface: #FAF7F2;
  --sakura-surface-high: #E9E3D8;
  --sakura-on-surface: #2A2A2E;
  --sakura-on-surface-variant: #504942;
  --sakura-outline-variant: #D9D2C5;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--sakura-on-surface);
  background: var(--sakura-surface);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  padding: 64px 0 48px;
  text-align: center;
}

.logo {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  display: inline-block;
  box-shadow: 0 6px 20px rgba(200, 87, 122, 0.18);
}

h1 {
  font-size: 56px;
  font-weight: 700;
  color: var(--sakura-primary);
  margin: 24px 0 12px;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 20px;
  color: var(--sakura-on-surface-variant);
  margin: 0 0 32px;
}

.cta {
  display: inline-block;
  background: var(--sakura-primary);
  color: white;
  font-size: 18px;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 16px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 14px rgba(200, 87, 122, 0.3);
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(200, 87, 122, 0.4);
}

.cta-sub {
  font-size: 14px;
  color: var(--sakura-on-surface-variant);
  margin: 12px 0 28px;
}

.store-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.store-badge:hover {
  opacity: 0.85;
}

.store-badge img {
  height: 52px;
  width: auto;
  display: block;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 48px 0;
}

.feature {
  padding: 24px;
  background: white;
  border-radius: 16px;
  border: 1px solid var(--sakura-outline-variant);
}

.feature h2 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--sakura-primary);
}

.feature p {
  margin: 0;
  color: var(--sakura-on-surface-variant);
  font-size: 15px;
}

.screenshots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px 0 48px;
}

.screenshot {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.closing-cta {
  text-align: center;
  padding: 48px 0;
  background: var(--sakura-primary-container);
  border-radius: 24px;
  margin: 24px 0;
}

.closing-cta h2 {
  margin: 0 0 24px;
  font-size: 28px;
  color: var(--sakura-primary);
}

footer {
  text-align: center;
  padding: 32px 0 48px;
  color: var(--sakura-on-surface-variant);
  font-size: 14px;
}

footer a {
  color: var(--sakura-primary);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.copyright {
  margin-top: 8px;
  font-size: 13px;
  opacity: 0.7;
}

@media (max-width: 640px) {
  h1 { font-size: 40px; }
  .tagline { font-size: 17px; }
  .features { grid-template-columns: 1fr; }
  .screenshots { grid-template-columns: 1fr 1fr; }
  .hero { padding: 40px 0 32px; }
  .closing-cta h2 { font-size: 22px; }
}