/* La portada pública (`tools/portada.ts`). Va sola, sin las hojas de la web:
   es HTML sin JavaScript y tiene que pesar poco. Los colores, los de la web. */

:root {
  color-scheme: light dark;
  --bg: #faf8f3;
  --surface: #ffffff;
  --text: #1d2b2f;
  --muted: #4b5b60;
  --border: #e3e0d8;
  --accent: #00babc;
  --accent-text: #007a7c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12191b;
    --surface: #1a2427;
    --text: #e8eeef;
    --muted: #a9b7ba;
    --border: #2c393c;
    --accent-text: #4fd6d8;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

header,
main,
footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
}

header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 0.9rem;
}

header nav a[aria-current] {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.hero {
  padding: 56px 0 40px;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 4rem);
  line-height: 1.1;
}

.lead {
  max-width: 40em;
  font-size: 1.2rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  margin-top: 28px;
}

.primary {
  padding: 12px 24px;
  border-radius: 10px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
}

.primary:hover,
.primary:focus-visible {
  filter: brightness(0.92);
}

h2 {
  margin: 40px 0 16px;
  font-size: 1.5rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.features li {
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.features h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.features p {
  margin: 0;
  color: var(--muted);
}

.faq h3 {
  margin: 24px 0 4px;
  font-size: 1.05rem;
}

.faq p {
  margin: 0;
  max-width: 44em;
  color: var(--muted);
}

footer {
  margin-top: 56px;
  padding-bottom: 32px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}