:root {
  --bg: #0F1B2D;
  --surface: #1F3A5F;
  --accent: #F2D544;
  --text: #F5F7FA;
  --muted: #A8B3C5;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 48px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.hero {
  text-align: center;
  margin-bottom: 56px;
}

.hero__icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.hero__title {
  font-size: clamp(2rem, 5vw, 2.75rem);
  margin: 24px 0 8px;
  letter-spacing: -0.02em;
}

.hero__tagline {
  color: var(--muted);
  font-size: 1.125rem;
  margin: 0 auto 32px;
  max-width: 480px;
}

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

.store-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #000;
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: transform 0.1s ease, background 0.15s ease;
}

.store-button:hover {
  background: #1a1a1a;
  transform: translateY(-1px);
  text-decoration: none;
}

.store-button span {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.1;
}

.store-button small {
  font-size: 0.7rem;
  opacity: 0.8;
}

.store-button strong {
  font-size: 1rem;
  font-weight: 600;
}

.screenshots {
  display: grid;
  gap: 32px;
  margin-bottom: 56px;
}

.screenshots figure {
  margin: 0;
}

.screenshots img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6);
  display: block;
}

.screenshots figcaption {
  margin-top: 12px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.features {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 56px;
}

.features ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.features li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.features li:last-child {
  border-bottom: none;
}

.features code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95em;
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 480px) {
  main {
    padding: 40px 18px 32px;
  }
  .store-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .store-button {
    justify-content: center;
  }
}