:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5b5b5b;
  --accent: #d6336c;
  --border: #e6e6e6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14141a;
    --fg: #f2f2f2;
    --muted: #a8a8a8;
    --border: #2a2a33;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--fg);
}

.logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: block;
}

.brand span {
  color: var(--accent);
}

nav {
  margin-top: 0.5rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-right: 1.25rem;
  font-size: 0.95rem;
}

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

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

.tagline {
  color: var(--muted);
  font-size: 1.1rem;
  margin-top: 0;
}

h2 {
  font-size: 1.15rem;
  margin-top: 2rem;
}

/* --- Hero (landing page only) --- */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.25rem;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.hero-text p {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  display: block;
}

@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 2rem;
  }
  .hero-text h1 {
    font-size: 1.75rem;
  }
}

/* --- Feature grid --- */
.section-title {
  text-align: center;
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: 2rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.feature img {
  width: 80px;
  height: 80px;
  margin-bottom: 0.75rem;
}

.feature h3 {
  margin: 0.25rem 0 0.4rem;
  font-size: 1.05rem;
}

.feature p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

@media (max-width: 800px) {
  .features {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }
}

.disclosure {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--muted);
}

p {
  color: var(--fg);
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
}

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

footer a {
  color: var(--muted);
}