/* Adiron — índice editorial. Papel, tinta, un cobre mineral. */
:root {
  --paper: #f3eee4;
  --paper-2: #e8e0d0;
  --ink: #141210;
  --muted: #5c564c;
  --line: #d4cbb8;
  --teal: #0c3b3c;
  --teal-2: #165456;
  --copper: #b56a32;
  --ok: #2d4a32;
  --max: 1120px;
  --serif: "Newsreader", "Source Serif 4", Georgia, serif;
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  font-size: 1.05rem;
}
img { max-width: 100%; }
a { color: var(--teal); text-underline-offset: 3px; }
a:hover { color: var(--copper); }
.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.site-header {
  background: rgba(243, 238, 228, 0.92);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(8px);
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0;
}
.logo {
  font-family: var(--serif);
  font-weight: 650;
  font-size: 1.55rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.03em;
}
.logo span { color: var(--copper); }
.nav { display: flex; flex-wrap: wrap; gap: 0.35rem 1.1rem; align-items: center; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}
.nav a:hover { color: var(--teal); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.15rem;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 2px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--teal); color: #f6f1e8; }
.btn-primary:hover { background: var(--teal-2); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.88rem; }

.hero {
  padding: 3.4rem 0 2.8rem;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, #ebe4d4 0%, var(--paper) 100%);
}
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 700;
  margin: 0 0 0.6rem;
}
.hero h1, .page-head h1, .prose h1 {
  font-family: var(--serif);
  font-weight: 650;
  font-size: clamp(2rem, 4.4vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 0.85rem;
}
.lead, .intro {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 42rem;
  margin: 0 0 1.25rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.section { padding: 2.6rem 0; }
.section-paper { background: #efe8d8; border-block: 1px solid var(--line); }
.section h2, .wrap-h {
  font-family: var(--serif);
  font-size: 1.75rem;
  margin: 0 0 0.4rem;
}
.sub { color: var(--muted); margin: 0 0 1.25rem; max-width: 40rem; }

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.7rem;
}
.tile {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.05rem 1rem;
  background: #fffdf7;
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}
.tile:hover { border-color: var(--teal); }
.tile span { color: var(--muted); font-size: 0.88rem; }

.chips, .tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip, .tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line);
  background: #fffdf7;
  color: var(--ink);
  text-decoration: none;
}
.chip:hover { border-color: var(--teal); color: var(--teal); }

.grid-3, .grid-2 {
  display: grid;
  gap: 1rem;
}
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

.card {
  background: #fffdf7;
  border: 1px solid var(--line);
  padding: 1.1rem 1.15rem 1.2rem;
}
.card h3 {
  font-family: var(--serif);
  font-size: 1.28rem;
  margin: 0.15rem 0 0.45rem;
}
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover { color: var(--teal); }
.card p { margin: 0 0 0.7rem; color: var(--muted); font-size: 0.98rem; }
.card-kicker { font-size: 0.78rem; color: var(--muted); font-weight: 600; }
.tipo { color: var(--teal); }
.sig { color: var(--copper); margin-left: 0.35rem; }
.more { font-weight: 700; font-size: 0.9rem; text-decoration: none; }
.card-link { text-decoration: none; color: inherit; display: block; }
.card-link:hover { border-color: var(--teal); }
.card-dest { border-color: var(--teal); box-shadow: inset 3px 0 0 var(--copper); }
.badge-ev {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal);
}

.page { padding: 1.6rem 0 3rem; }
.crumbs { font-size: 0.88rem; color: var(--muted); margin: 0 0 1rem; }
.crumbs a { color: inherit; }
.page-head { margin-bottom: 1.4rem; }
.after { margin-top: 1.5rem; }
.fine { font-size: 0.88rem; color: var(--muted); }
.split {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.plain { padding-left: 1.1rem; }
.plain a { font-weight: 600; }

.prose { max-width: 42rem; }
.prose.two, .two {
  max-width: none;
  display: grid;
  gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.prose h2 {
  font-family: var(--serif);
  font-size: 1.45rem;
  margin: 1.6rem 0 0.5rem;
}
.prose ul { padding-left: 1.15rem; }
.callout {
  border-left: 3px solid var(--copper);
  padding: 0.75rem 1rem;
  background: #efe4d0;
  margin: 1.1rem 0;
}
.guia-cta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.6rem; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}
.toolbar label { font-size: 0.85rem; font-weight: 700; color: var(--muted); }
.toolbar select, .form input, .form select, .form textarea {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  background: #fffdf7;
  font: inherit;
  color: inherit;
}
.toolbar select { width: auto; min-width: 12rem; }
.form {
  max-width: 32rem;
  display: grid;
  gap: 0.85rem;
}
.form label { font-weight: 600; font-size: 0.92rem; }
.form button { justify-self: start; }

.site-footer {
  background: var(--teal);
  color: #e4ddd0;
  padding: 2.4rem 0 1.2rem;
  margin-top: 1rem;
}
.site-footer a { color: #f3eee4; }
.footer-brand {
  font-family: var(--serif);
  font-size: 1.4rem;
  margin: 0 0 0.4rem;
  color: #fff;
}
.footer-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.4fr 1fr 1fr;
}
.footer-grid h4 { margin: 0 0 0.4rem; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: 0.25rem 0; }
.footer-bottom { border-top: 1px solid #2a5c5d; margin-top: 1.6rem; padding-top: 0.9rem; font-size: 0.85rem; }

@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 2.2rem 0 1.8rem; }
}