:root {
  color-scheme: light;
  --accent: #ff5a5f;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: #ffffff;
  color: var(--text);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--accent);
}

header {
  border-bottom: 1px solid var(--border);
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.navbar {
  margin: 0 auto;
  max-width: 960px;
  padding: 1.5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 600;
  letter-spacing: 0.12em;
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
}

main {
  padding: 0 1.5rem 6rem;
}

.hero {
  margin: 0 auto;
  max-width: 720px;
  padding: 4.5rem 1.5rem 3.5rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 3.4rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero p {
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 2rem;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  background-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform 150ms ease, box-shadow 150ms ease;
  box-shadow: 0 12px 30px rgba(255, 90, 95, 0.25);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(255, 90, 95, 0.28);
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin: 0 0 1.75rem;
}

.store-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem;
  border-radius: 20px;
  background: #ffffff;
  border: none;
  transition: transform 150ms ease, box-shadow 150ms ease;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.14);
  width: min(12rem, 100%);
}

.store-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.18);
}

.store-badge {
  width: 100%;
  height: auto;
  display: block;
}

section {
  margin: 0 auto;
  max-width: 720px;
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

section:first-of-type {
  border-top: none;
}

section h2 {
  font-size: 1.6rem;
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
  position: relative;
}

section p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

section h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -0.75rem;
  transform: translateX(-50%);
  width: 64px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
}

.highlight {
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}

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

.simple-list li {
  padding: 0.85rem 0;
  font-size: 1rem;
  border-top: 1px solid var(--border);
}

.simple-list li:first-child {
  border-top: none;
}

footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  color: var(--text);
}

.footer-links a {
  color: inherit;
  font-weight: 500;
  transition: color 150ms ease;
}

.footer-links a:hover {
  color: var(--accent);
}

@media (max-width: 640px) {
  .navbar {
    flex-direction: column;
    gap: 0.75rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .hero {
    padding: 4rem 1rem 3rem;
  }

  .store-badge {
    width: 100%;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 1rem;
  }
}