/* Plardobrabu — hoja de estilo común */

:root {
  --paper: #f7f3ea;
  --paper-alt: #eae4d8;
  --deep: #43221f;
  --text: #241b16;
  --muted: #786b5d;
  --accent: #8a2c25;
  --gold: #8a6a24;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --band: 128px;
}

* { box-sizing: border-box; }

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

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

/* ---------- rejilla de 12 columnas ---------- */

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
}

.col-text { grid-column: 4 / span 6; }
.col-list { grid-column: 4 / span 7; }
.col-wide { grid-column: 3 / span 8; }
.col-full { grid-column: 1 / -1; }

/* ---------- tipografía ---------- */

h1, h2, h3 {
  font-family: var(--sans);
  font-weight: 800;
  margin: 0;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  text-align: center;
}

h2 {
  font-size: clamp(1.45rem, 2.6vw, 1.95rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

h3 {
  font-size: 1.08rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 44px 0 14px;
}

p { margin: 0 0 22px; }
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;
}

.lead { font-size: 21px; }

.num {
  display: block;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 14px;
}

/* ---------- listas ---------- */

ul.marks, ol.steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

ul.marks li, ol.steps li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 16px;
}

ul.marks li:last-child, ol.steps li:last-child { margin-bottom: 0; }

ul.marks li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
}

ol.steps { counter-reset: paso; }

ol.steps li::before {
  counter-increment: paso;
  content: counter(paso, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 4px;
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

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

.site-head { padding: 30px 0 0; }

.site-nav {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 38px;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.09em;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 4px 0;
}

.site-nav a:hover { color: var(--accent); }

.site-nav a[aria-current="page"] {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 5px;
}

/* ---------- hero ---------- */

.hero {
  min-height: 74vh;
  display: flex;
  align-items: flex-end;
  padding: 15vh 0 8vh;
}

.hero .wrap { width: 100%; }

.hero-sub {
  grid-column: 4 / span 6;
  margin-top: 26px;
  text-align: center;
  color: var(--muted);
  font-size: 19px;
}

.hero h1 { grid-column: 2 / span 10; }

/* ---------- bandas ---------- */

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

.band--deep {
  background: var(--deep);
  color: var(--paper);
}

.band--deep h2 { color: var(--paper); }
.band--deep .num { color: #c9a24a; }
.band--deep .caption { color: #bda898; }
.band--deep a { color: #e6b7a4; }

.band > .wrap + .wrap { margin-top: var(--band); }

/* ---------- figuras ---------- */

.figure-main {
  padding: 96px 0;
  margin: 0;
}

.figure-main .wrap > figure {
  grid-column: 3 / span 8;
  margin: 0;
}

.figure-main img,
.figure-detail img {
  display: block;
  width: 100%;
  height: auto;
}

.caption {
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--muted);
  margin-top: 16px;
}

.figure-main .caption { text-align: center; }

.figure-detail {
  grid-column: 2 / span 4;
  margin: 0;
}

.deep-text { grid-column: 7 / span 5; }

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

.page-head { padding: 74px 0 0; }
.page-head h1 { text-align: center; }

.page-intro {
  grid-column: 4 / span 6;
  margin-top: 26px;
  text-align: center;
  color: var(--muted);
  font-size: 17px;
}

.prose { padding: 96px 0 var(--band); }
.prose .wrap + .wrap { margin-top: 84px; }

.divider {
  grid-column: 4 / span 6;
  text-align: center;
  color: var(--gold);
  font-family: var(--sans);
  font-size: 0.9rem;
  letter-spacing: 0.4em;
  margin: 0;
}

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

.site-foot {
  background: var(--paper-alt);
  padding: 124px 0 118px;
  text-align: center;
}

.site-foot .wrap > * { grid-column: 3 / span 8; }

.foot-name {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.18rem;
  letter-spacing: -0.015em;
}

.foot-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 34px;
  margin: 34px 0;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.09em;
}

.foot-nav a {
  color: var(--muted);
  text-decoration: none;
}

.foot-nav a:hover { color: var(--accent); }

.foot-mail { margin: 0 0 22px; }

.foot-note {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 46ch;
  margin: 0 auto;
}

/* ---------- responsive ---------- */

@media (max-width: 880px) {
  :root { --band: 72px; }

  body { font-size: 17px; }

  .wrap { grid-template-columns: 1fr; }
  .wrap > * { grid-column: 1 / -1; }

  .hero {
    min-height: 68vh;
    padding: 11vh 0 7vh;
  }

  .hero-sub { text-align: center; }

  .figure-main { padding: 72px 0; }
  .figure-detail { margin-bottom: 34px; max-width: 420px; }

  .prose { padding: 64px 0 var(--band); }
  .prose .wrap + .wrap { margin-top: 56px; }

  .site-foot { padding: 84px 0 78px; }
  .page-head { padding: 54px 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* listas que siguen a un bloque de texto */
.wrap > ul.marks,
.wrap > ol.steps { margin-top: 34px; }