/* Northnode — hoja de estilo de las páginas legales. Sin dependencias externas. */

:root {
  --bg: #faf8f3;
  --surface: #ffffff;
  --ink: #1b1b2b;
  --muted: #6a6a7d;
  --hair: #e7e3d8;
  --accent: #5b4bc4;
  --accent-soft: #efeaff;
  --maxw: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0f1e;
    --surface: #16182b;
    --ink: #eceaf5;
    --muted: #9a98ad;
    --hair: #262842;
    --accent: #a99bff;
    --accent-soft: #1d1f38;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2.2rem 1.3rem 4rem;
}

/* Cabecera */
header.site {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.4rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--hair);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.22em;
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.brand .node { color: var(--accent); margin-right: 0.5em; }

.lang {
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.lang:hover { color: var(--accent); }

/* Contenido */
h1 {
  font-size: 1.85rem;
  line-height: 1.2;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 2.2rem;
}

.meta strong { color: var(--ink); font-weight: 600; }

h2 {
  font-size: 1.2rem;
  margin: 2.4rem 0 0.7rem;
  letter-spacing: -0.005em;
}

p, li { margin: 0.6rem 0; }

ul { padding-left: 1.2rem; }

li { margin: 0.55rem 0; }

strong { font-weight: 650; }

em { font-style: italic; color: var(--muted); }

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

.lead {
  background: var(--accent-soft);
  border-radius: 14px;
  padding: 1rem 1.15rem;
  margin: 0 0 1.5rem;
}

.lead p { margin: 0; }

hr {
  border: 0;
  border-top: 1px solid var(--hair);
  margin: 3rem 0 1.5rem;
}

footer.site {
  color: var(--muted);
  font-size: 0.85rem;
}

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

/* Índice */
.index-links { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.index-links li { margin: 0; }
.index-links a {
  display: block;
  padding: 1rem 1.1rem;
  border: 1px solid var(--hair);
  border-radius: 12px;
  margin-bottom: 0.7rem;
  text-decoration: none;
  color: var(--ink);
  background: var(--surface);
  transition: border-color 0.15s ease;
}
.index-links a:hover { border-color: var(--accent); }
.index-links .t { font-weight: 600; }
.index-links .s { display: block; color: var(--muted); font-size: 0.88rem; margin-top: 0.15rem; }