:root {
  --accent: #B71C1C;
  --accent-light: #D32F2F;
  --bg: #FAFAFA;
  --bg-card: #FFFFFF;
  --text: #1A1A1A;
  --text-muted: #555;
  --border: #E0E0E0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --bg-card: #1E1E1E;
    --text: #E0E0E0;
    --text-muted: #999;
    --border: #333;
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

/* Header */
.hero {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
}

.hero img {
  width: 96px;
  height: 96px;
  border-radius: 20px;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 1rem 0 0.25rem;
  letter-spacing: -0.02em;
}

.hero .subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  padding: 2rem 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.feature .icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.feature h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.feature p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Description */
.description {
  text-align: center;
  padding: 2rem 1.5rem;
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-muted);
}

/* Links */
.links {
  text-align: center;
  padding: 1.5rem;
}

.links a {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0.5rem;
  transition: background 0.2s;
}

.links a:hover {
  background: var(--accent-light);
}

/* Footer */
footer {
  margin-top: auto;
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.85rem;
  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 policy page */
.policy h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.policy .effective {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.policy h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.policy p {
  margin-bottom: 1rem;
}

.policy .back {
  display: inline-block;
  margin-top: 2rem;
  color: var(--accent);
  text-decoration: none;
}

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

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2rem;
  }

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