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

:root {
  --bg: #0d0d0d;
  --bg-card: #1a1a1a;
  --text: #e0e0e0;
  --text-muted: #888;
  --accent: #6c5ce7;
  --accent-hover: #7d6ff0;
  --accent-subtle: rgba(108, 92, 231, 0.12);
  --border: #2a2a2a;
  --shadow: none;
  --shadow-md: none;
  --radius: 16px;
  --radius-sm: 10px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 60px 24px 40px;
}

/* Hero */

.hero {
  text-align: center;
  padding: 60px 0 40px;
}

.logo {
  width: 100px;
  height: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.tagline {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* Download Button */

.download-btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.1s ease;
}

.download-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* Features */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 60px 0;
  border-top: 1px solid var(--border);
}

.feature {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--border);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
  background: var(--accent-subtle);
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.feature h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Use Cases */

.use-cases {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.use-cases h2 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 32px;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.use-case {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
}

.use-case-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 12px;
  background: var(--accent-subtle);
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.use-case h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.use-case p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Screenshots */

.screenshots {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.screenshots h2 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 32px;
}

.screenshot-grid {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.screenshot-grid img {
  width: 280px;
  border-radius: 24px;
  border: 1px solid var(--border);
}

/* Pitch */

.pitch {
  text-align: center;
  padding: 60px 0;
  border-top: 1px solid var(--border);
}

.pitch h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.pitch p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 8px;
}

/* Download section */

.download {
  text-align: center;
  padding: 20px 0 40px;
}

/* Footer */

footer {
  text-align: center;
  padding: 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

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

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

/* Privacy page */

.privacy {
  padding-top: 20px;
}

.back-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.back-link:hover {
  text-decoration: underline;
}

.privacy h1 {
  font-size: 2rem;
  margin: 24px 0 8px;
}

.privacy .updated {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 40px;
}

.privacy section {
  margin-bottom: 32px;
}

.privacy h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.privacy p, .privacy li {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.privacy ul {
  list-style: disc;
  padding-left: 20px;
  margin-top: 8px;
}

.privacy li {
  margin-bottom: 6px;
}

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

.privacy a:hover {
  text-decoration: underline;
}

/* Responsive */

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .features {
    grid-template-columns: 1fr;
  }

  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-grid img {
    width: 100%;
    max-width: 260px;
  }
}