/* Krulotre — hoja de estilo común */

:root {
  --bg: #eef1e8;
  --bg-alt: #e2e7dc;
  --dark: #2c3a2c;
  --ink: #1f2620;
  --muted: #6d7468;
  --accent: #5f7a46;
  --accent2: #b4655a;
  --gap: 24px;
  --step: 80px;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

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

/* ---------- rejilla ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.band { padding: var(--step) 0; }
.band--alt { background: var(--bg-alt); }
.band--dark { background: var(--dark); color: var(--bg); }
.band--dark h2 { color: var(--bg); }
.band--dark a { color: #cfd9c2; }
.band--dark .caption { color: #aab4a0; }

/* columna de servicio: escala vertical */

.rail {
  grid-column: 1 / 3;
  position: relative;
  padding-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

.rail-no {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--accent2);
  letter-spacing: 0.04em;
}

.rail-label {
  display: block;
  margin-top: 4px;
  line-height: 1.4;
}

.rail-scale {
  margin-top: 14px;
  width: 16px;
  height: 120px;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--muted) 0 1px,
    transparent 1px 12px
  );
  opacity: 0.6;
}

.rail-scale--long { height: 220px; }

.band--dark .rail { color: #aab4a0; }
.band--dark .rail-no { color: #d79a90; }
.band--dark .rail-scale {
  background-image: repeating-linear-gradient(to bottom, #7d8a78 0 1px, transparent 1px 12px);
}

/* bloques de texto */

.col-text { grid-column: 3 / 10; }
.col-wide { grid-column: 3 / 12; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: normal;
  line-height: 1.05;
  margin: 0 0 20px;
}

h1 {
  grid-column: 3 / 9;
  font-size: 54px;
  letter-spacing: -0.01em;
}

h2 { font-size: 30px; }
h3 { font-size: 21px; line-height: 1.2; margin-bottom: 10px; }

p { margin: 0 0 20px; max-width: 68ch; }
p:last-child { margin-bottom: 0; }

.lead {
  grid-column: 3 / 9;
  font-size: 19px;
  color: var(--ink);
  margin-top: 12px;
}

.caption {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* trazos separadores */

.strokes {
  height: 24px;
  background-image: repeating-linear-gradient(
    to right,
    var(--muted) 0 1px,
    transparent 1px 14px
  );
  opacity: 0.5;
}

.strokes--accent {
  background-image: repeating-linear-gradient(
    to right,
    var(--accent2) 0 1px,
    transparent 1px 14px
  );
  opacity: 0.7;
}

.strokes-row {
  grid-column: 1 / 13;
  margin-bottom: 40px;
}

/* imagen principal */

.figure-main { grid-column: 4 / 13; grid-row: 1; margin: 0; }
.figure-main img { width: 100%; height: auto; }
.figure-note {
  grid-column: 1 / 4;
  grid-row: 1;
  align-self: end;
  padding-bottom: 4px;
  padding-right: var(--gap);
}

/* listas */

.list-two {
  grid-column: 3 / 12;
  columns: 2;
  column-gap: 48px;
  margin: 0;
  padding-left: 20px;
}

.list-two li { margin-bottom: 12px; break-inside: avoid; }

ul li::marker, ol li::marker { color: var(--accent); }

.list-plain { grid-column: 3 / 10; padding-left: 20px; margin: 0; }
.list-plain li { margin-bottom: 12px; }

/* sección oscura con imagen de detalle */

.figure-detail { grid-column: 8 / 13; margin: 0; }
.figure-detail img { width: 100%; height: auto; }
.figure-detail figcaption { margin-top: 12px; }
.detail-text { grid-column: 3 / 8; padding-right: var(--gap); }

/* cabecera */

.site-header {
  border-bottom: 1px solid rgba(31, 38, 32, 0.15);
  padding: 22px 0 20px;
}

.site-header .grid { align-items: baseline; }

.brand {
  grid-column: 1 / 4;
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand:hover { color: var(--accent); }

.site-nav { grid-column: 4 / 13; }

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 26px;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
  font-size: 15px;
}

.site-nav a { color: var(--ink); text-decoration: none; }
.site-nav a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.site-nav a[aria-current='page'] {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

/* pie */

.site-footer {
  background: var(--bg-alt);
  padding: 36px 0 28px;
  margin-top: var(--step);
}

.footer-row {
  align-items: baseline;
  row-gap: 14px;
}

.footer-name { grid-column: 1 / 4; font-family: var(--serif); font-size: 19px; }
.footer-links { grid-column: 4 / 10; }

.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: center;
  font-size: 15px;
}

.footer-mail { grid-column: 10 / 13; text-align: right; font-size: 15px; }
.footer-rule { grid-column: 1 / 13; height: 1px; background: rgba(31,38,32,0.2); margin: 22px 0 12px; }
.footer-note { grid-column: 1 / 13; font-size: 13px; color: var(--muted); }

/* páginas de texto largo */

.doc-rail { grid-column: 1 / 3; position: sticky; top: 24px; align-self: start; }
.doc-rail ol {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}
.doc-rail li { margin-bottom: 10px; }
.doc-rail a { color: var(--muted); text-decoration: none; }
.doc-rail a:hover { color: var(--accent); }
.doc-body { grid-column: 3 / 10; }
.doc-body section + section { margin-top: 44px; }
.doc-body .strokes { max-width: 180px; margin: 28px 0; }

/* móvil y tableta */

@media (max-width: 900px) {
  .grid { padding: 0 22px; column-gap: 16px; }
  h1 { font-size: 40px; }
  h2 { font-size: 26px; }
  .list-two { columns: 1; }
}

@media (max-width: 720px) {
  :root { --step: 48px; }
  body { font-size: 16px; }
  .grid { grid-template-columns: 1fr; padding: 0 18px; }
  h1, .lead, .rail, .col-text, .col-wide, .list-two, .list-plain,
  .figure-main, .figure-note, .figure-detail, .detail-text,
  .brand, .site-nav, .footer-name, .footer-links, .footer-mail,
  .footer-rule, .footer-note, .strokes-row, .doc-rail, .doc-body {
    grid-column: 1;
    grid-row: auto;
  }
  h1 { font-size: 32px; }
  h2 { font-size: 23px; }
  .rail {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding-top: 0;
    margin-bottom: 10px;
  }
  .rail-label { margin-top: 0; }
  .rail-scale { display: none; }
  .figure-note { padding: 0; margin-top: 10px; grid-row: auto; }
  .detail-text { padding-right: 0; margin-bottom: 24px; }
  .figure-detail { max-width: 340px; }
  .site-nav ul, .footer-links ul { justify-content: flex-start; }
  .site-header .grid { row-gap: 12px; }
  .footer-mail { text-align: left; }
  .doc-rail { position: static; margin-bottom: 24px; }
  .doc-rail ol { display: flex; flex-wrap: wrap; gap: 4px 18px; }
  .doc-rail li { margin-bottom: 0; }
}