/* Grulmisebu — hoja de estilos común
   Sistema "woven-grid": celdas con bordes visibles, doble hilo de separación,
   paleta verde-papel con burdeos y ocre. */

:root {
  --bg: #f0f2e9;
  --bg-alt: #e3e7da;
  --bg-dark: #2b1d1e;
  --text: #1e2119;
  --muted: #6c7264;
  --on-dark: #f0f2e9;
  --accent: #8c2f2c;
  --accent2: #8a6f1e;
  --line: #c4cab5;
  --line-dark: #4a3739;
  --gap: 72px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
a:hover { text-decoration-thickness: 2px; }

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

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Tipografía ---------- */

h1, h2, h3 { margin: 0; font-weight: 700; }

h1 {
  font-size: clamp(2.3rem, 6.2vw, 4.3rem);
  line-height: 1.03;
  letter-spacing: -0.032em;
}

h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.06rem;
  line-height: 1.35;
  letter-spacing: -0.005em;
  margin-bottom: 6px;
}

p { margin: 0 0 18px; }
p:last-child { margin-bottom: 0; }

.lead { font-size: 1.06rem; }

.cap {
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

.num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent2);
  display: block;
  margin-bottom: 10px;
}

/* ---------- Rejilla y celdas ---------- */

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

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

.cells > * {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 24px;
  min-width: 0;
}

.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; }

.pause { background: var(--bg-alt); }

/* ---------- Separador de doble hilo ---------- */

.thread {
  border: 0;
  height: 0;
  margin: var(--gap) 0;
  border-top: 2px solid var(--accent);
  position: relative;
}
.thread::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 6px;
  border-top: 1px solid var(--accent2);
}

.thread-dark { border-top-color: #a8534f; }
.thread-dark::after { border-top-color: var(--accent2); }

/* ---------- Cabecera y navegación ---------- */

.site-head {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.head-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 28px;
  padding-top: 18px;
  padding-bottom: 16px;
}

.brand {
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
  margin-right: auto;
}
.brand:hover { text-decoration: underline; text-underline-offset: 4px; }

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { border-bottom-color: var(--accent); }
.site-nav a[aria-current="page"] {
  border-bottom: 2px solid var(--accent);
  font-weight: 600;
}

/* ---------- Portada: hero tejido ---------- */

.hero { padding-top: 56px; }

.hero-rule-top { border-top: 2px solid var(--text); }
.hero-rule-bottom { border-top: 1px solid var(--text); }

.hero h1 {
  max-width: 75%;
  padding: 28px 0 30px;
}

.hero-cells { margin-top: 34px; }

.hero-cells .topics {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 15px;
  line-height: 1.6;
}
.hero-cells .topics li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 9px;
}
.hero-cells .topics li:last-child { margin-bottom: 0; }
.hero-cells .topics li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--accent);
}

/* ---------- Imagen principal ---------- */

.fig-cell { padding: 0 !important; }
.fig-cell img { width: 100%; }

.fig-note { display: flex; flex-direction: column; justify-content: flex-end; }
.fig-note .cap { margin-top: 14px; }

/* ---------- Bloques de texto ---------- */

.band { background: var(--bg-alt); }
.band-inner { padding: 54px 0; }

.prose-grid { gap: 0 42px; }
.prose-grid .side { grid-column: span 3; }
.prose-grid .body { grid-column: span 9; }

.checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.checklist li {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 18px 14px 36px;
  position: relative;
  font-size: 15.5px;
  line-height: 1.55;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 21px;
  width: 8px;
  height: 8px;
  background: var(--accent);
}

.mini-list { margin: 0 0 18px; padding-left: 20px; }
.mini-list li { margin-bottom: 8px; }

/* ---------- Sección de contraste ---------- */

.dark {
  background: var(--bg-dark);
  color: var(--on-dark);
  padding: 66px 0;
  margin: var(--gap) 0;
}
.dark h2 { color: var(--on-dark); }
.dark .num { color: #c9a94a; }
.dark .cap { color: #b9b2a4; }
.dark a { color: #e0a8a4; }
.dark a:focus-visible { outline-color: #e0a8a4; }

.dark-grid { gap: 0 40px; align-items: end; }
.dark-grid .dark-text { grid-column: 1 / span 6; }
.dark-grid .dark-fig { grid-column: 8 / span 5; }
.dark-fig img { width: 100%; border: 1px solid var(--line-dark); }
.dark-fig figcaption { margin-top: 12px; }

/* ---------- Contacto ---------- */

.contact-cells .mail {
  font-size: 1.05rem;
  font-weight: 600;
}

/* ---------- Páginas interiores ---------- */

.page-head { padding-top: 48px; padding-bottom: 0; }
.page-head h1 {
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  max-width: 80%;
  padding: 22px 0 24px;
  border-top: 2px solid var(--text);
  border-bottom: 1px solid var(--text);
}
.page-head .cap { margin-top: 16px; max-width: 60ch; }

.about-grid { margin-top: 46px; }
.about-grid .label {
  grid-column: span 3;
  padding: 26px 24px 26px 0;
}
.about-grid .text {
  grid-column: span 9;
  padding: 26px 0 26px 40px;
  border-left: 1px solid var(--line);
}
.about-grid .label .tag {
  position: relative;
  padding-left: 18px;
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
}
.about-grid .label .tag::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  background: var(--accent2);
}
.about-grid .text h2 { margin-bottom: 14px; }

/* ---------- Pie ---------- */

.site-foot {
  margin-top: var(--gap);
  border-top: 2px solid var(--accent);
  background: var(--bg-alt);
  padding: 40px 0 52px;
}
.foot-cells { margin-top: 0; }
.foot-cells > * { padding: 22px 24px; }
.foot-cells .fc { grid-column: span 3; }
.foot-title { font-weight: 700; font-size: 1.05rem; }
.foot-cells ul { list-style: none; margin: 10px 0 0; padding: 0; font-size: 15px; }
.foot-cells li { margin-bottom: 7px; }
.foot-cells a { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--line); }
.foot-cells a:hover { border-bottom-color: var(--accent); }
.foot-cells .mail-link { color: var(--accent); border-bottom-color: var(--accent); }
.foot-note { font-size: 13px; line-height: 1.6; color: var(--muted); }

/* ---------- Adaptación ---------- */

@media (max-width: 900px) {
  :root { --gap: 52px; }
  .hero h1 { max-width: 100%; }
  .hero-cells .c5, .hero-cells .c4, .hero-cells .c3 { grid-column: span 12; }
  .hero-cells .pause { display: none; }
  .fig-row .c6 { grid-column: span 12; }
  .prose-grid .side,
  .prose-grid .body { grid-column: span 12; }
  .prose-grid .side { margin-bottom: 10px; }
  .dark-grid .dark-text,
  .dark-grid .dark-fig { grid-column: span 12; }
  .dark-grid .dark-fig { margin-top: 32px; max-width: 460px; }
  .about-grid .label { grid-column: span 12; padding: 24px 0 8px; }
  .about-grid .text {
    grid-column: span 12;
    padding: 0 0 26px;
    border-left: 0;
  }
  .foot-cells .fc { grid-column: span 6; }
}

@media (max-width: 620px) {
  :root { --gap: 44px; }
  body { font-size: 16.5px; }
  .wrap { padding: 0 18px; }
  .hero { padding-top: 34px; }
  .hero h1 { padding: 20px 0 22px; }
  .head-inner { padding-top: 14px; }
  .site-nav ul { gap: 6px 16px; }
  .checklist { grid-template-columns: 1fr; }
  .contact-cells .c4, .contact-cells .c6, .contact-cells .c3 { grid-column: span 12; }
  .foot-cells .fc { grid-column: span 12; }
  .page-head h1 { max-width: 100%; }
  .cells > * { padding: 18px 18px; }
  .band-inner { padding: 40px 0; }
  .dark { padding: 46px 0; }
}