/* Krabreso — hoja de estilos común */

:root {
  --bg: #f5ece6;
  --bg-alt: #eaddd3;
  --bg-dark: #25304d;
  --ink: #241c19;
  --ink-soft: #7d6c62;
  --ink-light: #f5ece6;
  --accent: #2f3d63;
  --accent-2: #b05a3c;
  --gap: 24px;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  overflow-x: hidden;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

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

/* --- Tipografía --- */

h1, h2, h3, nav, .meta, .caption, .toc, .footer-nav, .tag {
  font-family: var(--sans);
}

h1 {
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 0;
}

h2 {
  font-size: clamp(24px, 2.8vw, 33px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0 0 20px;
}

h3 {
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 700;
  margin: 28px 0 12px;
}

p { margin: 0 0 20px; }
p:last-child { margin-bottom: 0; }

.lead { font-size: 20px; }

.meta,
.caption {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}

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

a:hover { text-decoration-thickness: 2px; }

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

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 28px;
  top: 12px;
  z-index: 5;
  background: var(--bg);
  padding: 8px 12px;
  font-family: var(--sans);
  font-size: 13px;
}

/* --- Cabecera y navegación --- */

.site-header { padding-top: 30px; }

.site-nav {
  grid-column: 1 / 13;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 34px;
  align-items: baseline;
  font-size: 13px;
  letter-spacing: 0.09em;
}

.site-nav .brand {
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
  margin-right: 12px;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

.nav-rule {
  grid-column: 1 / 6;
  height: 1px;
  background: var(--accent);
  margin: 18px 0 0;
}

/* --- Hero --- */

.hero { padding: 56px 0 0; }

.hero-title {
  grid-column: 1 / 8;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--gap);
}
.hero-title .line-a { grid-column: 3 / 8; }
.hero-title .line-b { grid-column: 1 / 8; }

.toc {
  grid-column: 10 / 13;
  margin-top: 6px;
  border-top: 1px solid rgba(125, 108, 98, 0.5);
  list-style: none;
  padding: 0;
}
.toc li {
  border-bottom: 1px solid rgba(125, 108, 98, 0.5);
  padding: 9px 0;
  font-size: 13px;
  line-height: 1.35;
  color: var(--ink-soft);
}

.hero-intro {
  grid-column: 1 / 7;
  margin-top: 40px;
}

.hero-figure {
  grid-column: 8 / 13;
  margin: 40px 0 0;
  align-self: end;
}
.hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  outline: 1px solid var(--accent-2);
  outline-offset: 8px;
}

.hero-caption {
  grid-column: 1 / 4;
  align-self: end;
  margin: 40px 0 0;
}

/* --- Ritmo de secciones --- */

.band { padding: 64px 0; }
.band-alt { background: var(--bg-alt); }
.band + .band { padding-top: 64px; }

.col-text { grid-column: 1 / 7; }
.col-shift { grid-column: 4 / 10; }
.col-wide { grid-column: 1 / 9; }

.rule {
  grid-column: 1 / 3;
  height: 1px;
  background: var(--accent-2);
  margin-bottom: 26px;
}
.rule-shift { grid-column: 4 / 6; }

.tag {
  font-size: 13px;
  color: var(--accent-2);
  letter-spacing: 0.08em;
  margin: 0 0 10px;
}

/* --- Listas --- */

.list {
  margin: 0 0 20px;
  padding-left: 20px;
}
.list li {
  margin-bottom: 10px;
  padding-left: 4px;
}
.list li::marker { color: var(--accent); }

ol.list li::marker {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
}

/* --- Sección contrastada --- */

.dark {
  background: var(--bg-dark);
  color: var(--ink-light);
  padding: 64px 0;
}
.dark h2 { color: var(--ink-light); }
.dark .caption { color: rgba(245, 236, 230, 0.72); }
.dark .tag { color: #d9987c; }
.dark a { color: #c9d3ee; }
.dark a:focus-visible { outline-color: #c9d3ee; }
.dark .rule { background: #d9987c; }
.dark .list li::marker { color: #c9d3ee; }

.dark-figure {
  grid-column: 1 / 6;
  margin: 0;
}
.dark-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.dark-figure figcaption { margin-top: 12px; }

.dark-text { grid-column: 7 / 13; }

/* --- Páginas interiores --- */

.page-head { padding: 52px 0 0; }
.page-head h1 { grid-column: 1 / 9; }
.page-head .lead {
  grid-column: 1 / 7;
  margin-top: 26px;
  color: var(--ink-soft);
}

.doc { padding: 56px 0 64px; }
.doc-col { grid-column: 1 / 7; }
.doc-col section { margin-bottom: 56px; }
.doc-col section:last-child { margin-bottom: 0; }

.doc-col h2 {
  position: relative;
  padding-left: 40px;
}
.doc-col h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 24px;
  height: 1px;
  background: var(--accent-2);
}

/* --- Pie --- */

.site-footer { padding: 0 0 56px; }
.footer-rule {
  grid-column: 1 / 6;
  height: 1px;
  background: var(--accent);
  margin-bottom: 28px;
}
.f-name { grid-column: 1 / 6; }
.f-nav { grid-column: 6 / 9; }
.f-contact { grid-column: 9 / 13; }

.f-name .n {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  line-height: 2;
}
.footer-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}
.footer-nav a:hover { color: var(--accent); }

.f-contact p { margin-bottom: 10px; }

/* --- Responsive --- */

@media (max-width: 900px) {
  body { font-size: 17px; }
  .grid { gap: 20px; }
  .band, .dark { padding: 40px 0; }
  .band + .band { padding-top: 40px; }
  .hero { padding-top: 36px; }
  .doc { padding: 36px 0 40px; }
  .doc-col section { margin-bottom: 40px; }

  .site-nav,
  .hero-title,
  .hero-title .line-a,
  .hero-title .line-b,
  .toc,
  .hero-intro,
  .hero-figure,
  .hero-caption,
  .col-text,
  .col-shift,
  .col-wide,
  .dark-figure,
  .dark-text,
  .page-head h1,
  .page-head .lead,
  .doc-col,
  .f-name,
  .f-nav,
  .f-contact {
    grid-column: 1 / -1;
  }

  .hero-title { display: block; }
  .hero-figure { margin-top: 32px; }
  .hero-caption { margin-top: 26px; }
  .dark-text { margin-top: 32px; }

  .nav-rule,
  .rule,
  .rule-shift,
  .footer-rule {
    grid-column: 1 / 4;
  }

  .f-nav, .f-contact { margin-top: 26px; }
  .site-nav { gap: 6px 22px; }
  .hero-figure img { outline-offset: 6px; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .doc-col h2 { padding-left: 34px; }
}