/* Zesenu — hoja de estilo común */

:root {
  --bg: #f4f0e8;
  --bg-alt: #e7e1d5;
  --bg-dark: #20242a;
  --ink: #22201b;
  --ink-soft: #776f62;
  --ink-inv: #f4f0e8;
  --accent: #2c4668;
  --accent-2: #a06a2c;
  --gap: 24px;
  --rule: rgba(119, 111, 98, 0.35);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  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);
  column-gap: var(--gap);
}

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

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;
}

.band-dark a:focus-visible,
.band-dark :focus-visible { outline-color: #c9a06a; }

/* ---------- cabecera y navegación ---------- */

.site-head { padding-top: 26px; }

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 30px;
  font-size: 13px;
  letter-spacing: 0.09em;
}

.nav .brand {
  font-weight: 700;
  letter-spacing: 0.09em;
  text-decoration: none;
  color: var(--ink);
  margin-right: 10px;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}
.nav .brand:hover { color: var(--accent); border-bottom: 0; }

.head-rule {
  grid-column: 1 / span 5;
  height: 1px;
  background: var(--accent);
  margin: 22px 0 0;
  border: 0;
}

/* ---------- portada ---------- */

.hero { padding: 46px 0 8px; }

h1 {
  grid-column: 1 / span 7;
  margin: 0;
  font-size: clamp(34px, 5.4vw, 62px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.028em;
}

h1 .l1 {
  display: block;
  margin-left: calc((100% / 7) * 2);
}
h1 .l2 { display: block; }

.hero-topics {
  grid-column: 10 / span 3;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}
.hero-topics li {
  border-top: 1px solid var(--rule);
  padding: 7px 0;
}
.hero-topics li:last-child { border-bottom: 1px solid var(--rule); }

.hero-lead {
  grid-column: 1 / span 6;
  margin-top: 34px;
  font-size: 18px;
}

.hero-media { margin-top: 44px; }

.hero-cap {
  grid-column: 4 / span 3;
  align-self: end;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 6px;
}
.hero-cap b {
  display: block;
  color: var(--accent-2);
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 5px;
}

.hero-img {
  grid-column: 8 / span 5;
  margin: 0;
  padding: 8px;
  border: 1px solid rgba(44, 70, 104, 0.5);
}

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

/* ---------- ritmo de secciones ---------- */

main > section { padding: 32px 0; }
main > section.band-alt { background: var(--bg-alt); padding: 56px 0; }
main > section.band-dark {
  background: var(--bg-dark);
  color: var(--ink-inv);
  padding: 60px 0;
}

.col { grid-column: 1 / span 6; }
.col.shift { grid-column: 4 / span 6; }

h2 {
  margin: 0 0 18px;
  font-size: clamp(22px, 2.6vw, 29px);
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: -0.012em;
}

h3 {
  margin: 28px 0 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.005em;
}

.num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--accent-2);
  margin-bottom: 10px;
}

.sep {
  border: 0;
  height: 1px;
  background: var(--accent);
  width: calc((100% / 6) * 2);
  margin: 0 0 26px;
}

ul.list, ol.list {
  margin: 0 0 20px;
  padding-left: 0;
  list-style: none;
}
ul.list li, ol.list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 9px;
}
ul.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 10px;
  height: 1px;
  background: var(--accent);
}
ol.list { counter-reset: n; }
ol.list li { padding-left: 30px; }
ol.list li::before {
  counter-increment: n;
  content: counter(n, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 13px;
  color: var(--accent-2);
  letter-spacing: 0.06em;
}

.defs { margin: 0; }
.defs dt {
  font-weight: 700;
  margin-top: 16px;
  border-top: 1px solid var(--rule);
  padding-top: 14px;
}
.defs dd { margin: 4px 0 0; color: var(--ink); }

/* ---------- sección oscura con imagen de detalle ---------- */

.band-dark .num { color: #c9a06a; }
.band-dark .sep { background: #c9a06a; }
.band-dark a { color: #cddaea; }

.detail-fig {
  grid-column: 1 / span 4;
  margin: 0;
}
.detail-fig img { border: 1px solid rgba(244, 240, 232, 0.28); }
.detail-fig figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(244, 240, 232, 0.66);
}

.detail-text { grid-column: 6 / span 6; }
.detail-text .sep { width: calc((100% / 6) * 2); }

/* ---------- páginas de texto ---------- */

.page-head { padding: 46px 0 6px; }
.page-head h1 {
  grid-column: 1 / span 8;
  font-size: clamp(30px, 4vw, 46px);
}
.page-head .kicker {
  grid-column: 1 / span 8;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--accent-2);
  margin: 0 0 14px;
}

.doc { padding: 34px 0 40px; }
.doc .col { grid-column: 1 / span 6; }
.doc section + section { margin-top: 56px; }

.doc h2 {
  position: relative;
  padding-left: 40px;
  font-size: 21px;
}
.doc h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

/* ---------- pie ---------- */

.site-foot { padding: 40px 0 54px; }

.foot-rule {
  grid-column: 1 / span 5;
  height: 1px;
  background: var(--accent);
  border: 0;
  margin: 0 0 26px;
}

.foot-name { grid-column: 1 / span 5; }
.foot-nav { grid-column: 6 / span 3; }
.foot-info { grid-column: 9 / span 4; }

.foot-name p:first-child {
  font-weight: 700;
  letter-spacing: 0.09em;
  margin-bottom: 8px;
}
.site-foot p,
.site-foot li {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}
.foot-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.foot-nav li { margin-bottom: 6px; }
.foot-nav a { color: var(--ink-soft); text-decoration: none; }
.foot-nav a:hover { color: var(--accent); text-decoration: underline; }

/* ---------- adaptación ---------- */

@media (max-width: 1000px) {
  h1 { grid-column: 1 / span 9; }
  .hero-topics { grid-column: 1 / span 12; display: grid;
    grid-template-columns: repeat(2, 1fr); column-gap: var(--gap); margin-top: 30px; }
  .hero-topics li:nth-last-child(2) { border-bottom: 1px solid var(--rule); }
  .hero-cap { grid-column: 1 / span 4; }
  .hero-img { grid-column: 6 / span 7; }
  .col { grid-column: 1 / span 9; }
  .col.shift { grid-column: 3 / span 10; }
  .detail-fig { grid-column: 1 / span 5; }
  .detail-text { grid-column: 7 / span 6; }
  .doc .col, .page-head h1, .page-head .kicker { grid-column: 1 / span 10; }
  .foot-name { grid-column: 1 / span 6; }
  .foot-nav { grid-column: 7 / span 3; }
  .foot-info { grid-column: 1 / span 6; margin-top: 24px; }
}

@media (max-width: 700px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  .grid > * { grid-column: 1 / -1 !important; }
  .nav { gap: 6px 20px; }
  .head-rule { margin-top: 18px; }
  .hero { padding: 30px 0 4px; }
  h1 { font-size: clamp(30px, 8.4vw, 40px); }
  h1 .l1 { margin-left: 0; }
  .hero-lead { margin-top: 24px; font-size: 17px; }
  .hero-media { margin-top: 28px; }
  .hero-cap { order: 2; margin: 12px 0 0; }
  .hero-img { order: 1; }
  .hero-media { display: flex; flex-direction: column; }
  .hero-topics { grid-template-columns: 1fr; }
  .hero-topics li:nth-last-child(2) { border-bottom: 0; }
  .hero-topics li:last-child { border-bottom: 1px solid var(--rule); }
  main > section { padding: 20px 0; }
  main > section.band-alt,
  main > section.band-dark { padding: 40px 0; }
  .sep { width: 96px; }
  .detail-text { margin-top: 28px; }
  .doc h2 { padding-left: 32px; }
  .doc section + section { margin-top: 44px; }
  .foot-info { margin-top: 22px; }
  .foot-nav { margin-top: 22px; }
}