/* Dantabrelu — hoja de estilos común */

:root {
  --paper: #f4eee1;
  --paper-alt: #e8dfcc;
  --dark: #141414;
  --ink: #1a1814;
  --muted: #736c5b;
  --blue: #2b4a8c;
  --ochre: #8a6a1e;
  --rule: rgba(26, 24, 20, 0.22);
  --rule-dark: rgba(244, 238, 225, 0.28);
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --gap: 72px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.9;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

p { margin: 0 0 1.6em; max-width: 68ch; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}
a:hover { text-decoration-thickness: 2px; }

a:focus-visible,
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.3;
  margin: 0;
}

h1 { font-size: clamp(1.95rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.45rem, 2.6vw, 1.95rem); margin-bottom: 0.9em; }
h3 { font-size: 1.18rem; margin: 2em 0 0.7em; }

.wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- retícula de 12 columnas y celdas con borde --- */

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
}

.cells {
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.cells > * {
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 26px 26px 28px;
}

.c3 { grid-column: span 3; }
.c4 { grid-column: span 4; }
.c5 { grid-column: span 5; }
.c6 { grid-column: span 6; }
.c7 { grid-column: span 7; }
.c8 { grid-column: span 8; }
.c9 { grid-column: span 9; }
.c12 { grid-column: span 12; }

/* --- separador tejido: trazo grueso + trazo fino --- */

.weave {
  border-top: 2px solid var(--blue);
  margin: var(--gap) 0 calc(var(--gap) - 20px);
}
.weave::after {
  content: "";
  display: block;
  margin-top: 6px;
  border-top: 1px solid var(--ochre);
}

/* --- cabecera y navegación --- */

.site-head {
  padding: 26px 0 22px;
  border-bottom: 1px solid var(--rule);
}

.head-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px 28px;
}

.brand {
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
}
.brand span { display: block; font-family: var(--sans); font-size: 0.72rem; line-height: 1.6; color: var(--muted); letter-spacing: 0.04em; }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
}
.site-nav a {
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--rule);
}
.site-nav a:hover { border-bottom-color: var(--blue); color: var(--blue); }
.site-nav a[aria-current="page"] { border-bottom: 2px solid var(--blue); }

/* --- portada: hero --- */

.hero { padding-top: 56px; }

.hero-rule-top { border-top: 1px solid var(--rule); }

.hero h1 {
  grid-column: span 9;
  padding: 34px 0 36px;
}

.hero-line {
  border-top: 1px solid var(--ink);
  margin-bottom: 0;
}

.hero-cells { margin-top: 0; }
.hero-cells .lead { grid-column: span 5; }
.hero-cells .topics { grid-column: span 4; }
.hero-cells .pause { grid-column: span 3; }

.lead p { font-size: 1.05rem; }

.topics ul {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
  line-height: 1.75;
}
.topics li { padding-left: 20px; position: relative; margin-bottom: 10px; }
.topics li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--blue);
}

.label {
  font-size: 0.78rem;
  letter-spacing: 0.09em;
  color: var(--ochre);
  margin: 0 0 14px;
  font-family: var(--sans);
}

.caption {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
  max-width: 42ch;
}

/* --- bloque de imagen principal --- */

.figure-row { align-items: stretch; }
.figure-row .fig-cell { grid-column: span 6; padding: 0; }
.figure-row .fig-cell img { width: 100%; }
.figure-row .fig-note { grid-column: span 6; display: flex; flex-direction: column; justify-content: flex-end; }

/* --- secciones --- */

main section { margin-top: 0; }

.band {
  background: var(--paper-alt);
  padding: var(--gap) 0;
  margin: var(--gap) 0;
}

.sec-num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--ochre);
  display: block;
  margin-bottom: 10px;
}

.split { column-gap: 0; }
.split .side { grid-column: span 4; padding-right: 32px; }
.split .body { grid-column: span 8; }

.text-8 { max-width: 100%; }

/* --- listas de comprobación en dos columnas --- */

.check {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.check li {
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 18px 20px 20px 42px;
  position: relative;
  font-size: 0.97rem;
  line-height: 1.75;
}
.check li::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 1.5em;
  width: 8px;
  height: 8px;
  background: var(--blue);
}

/* --- sección oscura --- */

.dark {
  background: var(--dark);
  color: var(--paper);
  padding: calc(var(--gap) + 10px) 0;
  margin: var(--gap) 0;
}
.dark h2 { color: var(--paper); }
.dark p { color: var(--paper); }
.dark .caption { color: #b9b1a0; }
.dark .sec-num { color: #c9a558; }
.dark a { color: #9db4e6; }
.dark .cells,
.dark .cells > * { border-color: var(--rule-dark); }
.dark .check { border-color: var(--rule-dark); }
.dark .check li { border-color: var(--rule-dark); }

.dark-row .dark-fig { grid-column: 2 / span 4; }
.dark-row .dark-text { grid-column: 7 / span 6; }
.dark-row .dark-fig img { width: 100%; border: 1px solid var(--rule-dark); }
.dark-row .dark-fig .caption { margin-top: 14px; }

/* --- páginas internas: composición de dos columnas --- */

.page-head { padding: 52px 0 0; }
.page-head h1 { padding: 26px 0 28px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.page-head .standfirst { margin-top: 26px; color: var(--muted); max-width: 62ch; }

.two-col { margin-top: 8px; }
.two-col .marks {
  grid-column: span 3;
  border-right: 1px solid var(--rule);
  padding-right: 26px;
}
.two-col .prose { grid-column: 5 / span 8; }

.marks ul { list-style: none; margin: 0; padding: 0; }
.marks li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted);
}
.marks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--ochre);
}
.marks a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); }
.marks a:hover { color: var(--blue); border-bottom-color: var(--blue); }

.prose h2 { margin-top: 2.2em; }
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 20px; max-width: 66ch; }
.prose li { margin-bottom: 10px; }

/* --- contacto --- */

.contact-cells .box { grid-column: span 6; }
.contact-cells .box .caption { margin-top: 12px; }
.mail {
  font-family: var(--serif);
  font-size: 1.2rem;
  word-break: break-word;
}

/* --- pie --- */

.site-foot {
  margin-top: var(--gap);
  padding-bottom: 60px;
}
.foot-cells > * { font-size: 0.93rem; line-height: 1.75; }
.foot-cells > * { grid-column: span 3; }
.foot-cells h2 { font-size: 1.05rem; margin-bottom: 0.6em; }
.foot-cells ul { list-style: none; margin: 0; padding: 0; }
.foot-cells li { margin-bottom: 8px; }
.foot-cells a { color: var(--ink); }
.foot-note { color: var(--muted); }

/* --- adaptación a pantallas medianas y pequeñas --- */

@media (max-width: 900px) {
  :root { --gap: 44px; }
  body { font-size: 17px; line-height: 1.85; }

  .hero { padding-top: 34px; }
  .hero h1 { grid-column: span 12; padding: 24px 0 26px; }
  .hero-cells .lead,
  .hero-cells .topics,
  .hero-cells .pause { grid-column: span 12; }
  .hero-cells .pause { display: none; }

  .figure-row .fig-cell,
  .figure-row .fig-note { grid-column: span 12; }

  .split .side,
  .split .body { grid-column: span 12; padding-right: 26px; }
  .split .side { padding-bottom: 10px; }

  .dark-row .dark-fig,
  .dark-row .dark-text { grid-column: span 12; }
  .dark-row .dark-text { margin-top: 26px; }

  .two-col .marks {
    grid-column: span 12;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
    padding-right: 0;
    padding-bottom: 18px;
    margin-bottom: 30px;
  }
  .two-col .prose { grid-column: span 12; }
  .marks ul { display: flex; flex-wrap: wrap; gap: 0 24px; }

  .check { grid-template-columns: 1fr; }
  .contact-cells .box { grid-column: span 12; }
  .foot-cells > * { grid-column: span 12; }
}

@media (max-width: 560px) {
  .cells > * { padding: 20px; }
  .head-inner { flex-direction: column; align-items: flex-start; }
  .site-nav ul { gap: 6px 16px; }
}

.dark-fig { margin: 0; }