/* Rokate — hoja de estilo común
   Paleta marina gris-verdosa con óxido. Composición tipo pliego de muestras. */

:root {
  --bg: #e9eeeb;
  --bg-alt: #d9e1dd;
  --bg-dark: #1e2a26;
  --ink: #171f1c;
  --ink-soft: #63706b;
  --ink-invert: #e9eeeb;
  --rust: #8f4a28;
  --teal: #3d6f66;
  --rule: #b9c5c0;
  --rule-dark: #3b4a45;
  --serif: Georgia, 'Times New Roman', Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --gap: 88px;
  --plate-pad: 40px;
}

* { 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: 1.65;
  overflow-x: hidden;
}

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

a {
  color: var(--rust);
  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(--rust);
  outline-offset: 3px;
}

/* ---------- Estructura general ---------- */

.sheet {
  max-width: 1180px;
  margin: 34px auto;
  padding: 0 22px;
}

.plate {
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: var(--plate-pad);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 26px;
  row-gap: 30px;
}

.band {
  grid-column: 1 / -1;
  margin: 0 calc(-1 * var(--plate-pad));
  padding: 56px var(--plate-pad);
  background: var(--bg-alt);
}

.band-dark {
  grid-column: 1 / -1;
  margin: 0 calc(-1 * var(--plate-pad));
  padding: 60px var(--plate-pad);
  background: var(--bg-dark);
  color: var(--ink-invert);
}

.band .grid,
.band-dark .grid { row-gap: 26px; }

.band-dark a { color: #d79c6f; }
.band-dark .note { color: #a9bab4; }
.band-dark h2 { color: var(--ink-invert); }
.band-dark .sec-no { color: #7fa79e; }
.band-dark .figure figcaption { color: #a9bab4; }
.band-dark .figure img { border-color: var(--rule-dark); }

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

.masthead {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 26px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}

.wordmark {
  font-family: var(--serif);
  font-size: 21px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}

.wordmark:hover { color: var(--rust); }

.masthead .strap {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}

.nav {
  grid-column: 1 / -1;
  margin-top: -12px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--rule);
}

.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
}

.nav a {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.nav a:hover,
.nav a[aria-current='page'] {
  color: var(--rust);
  border-bottom-color: var(--rust);
}

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

h1 {
  font-family: var(--serif);
  font-weight: normal;
  font-size: clamp(2.1rem, 5.1vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.012em;
  margin: 0;
}

h2 {
  font-family: var(--serif);
  font-weight: normal;
  font-size: clamp(1.4rem, 2.7vw, 1.85rem);
  line-height: 1.25;
  margin: 0 0 16px;
}

h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: normal;
  font-size: 1.16rem;
  line-height: 1.35;
  margin: 30px 0 8px;
}

p { margin: 0 0 22px; text-indent: 0; }

.prose p + p { margin-top: -4px; text-indent: 1.4em; }

.lead {
  font-size: 1.16rem;
  line-height: 1.6;
  color: var(--ink);
}

.sec-no {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 10px;
}

.note {
  font-family: var(--sans);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}

/* ---------- Columnas ---------- */

.col-main { grid-column: 1 / span 7; }
.col-side { grid-column: 9 / span 4; }
.col-img  { grid-column: 1 / span 5; }
.col-cap  { grid-column: 7 / span 4; align-self: end; }
.col-wide { grid-column: 1 / span 9; }
.col-full { grid-column: 1 / -1; }

/* ---------- Portada ---------- */

.hero { grid-column: 1 / -1; }

.hero-top {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 26px;
  row-gap: 26px;
  align-items: start;
}

.hero-top h1 { grid-column: 1 / span 8; }
.hero-top .spec { grid-column: 9 / span 4; }

.hero-lead { grid-column: 1 / span 7; margin-top: 30px; }

/* ---------- Tablilla de datos ---------- */

.spec {
  border: 1px solid var(--rule);
  padding: 16px 18px;
  font-family: var(--sans);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.spec h2,
.spec .spec-title {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 10px;
}

.spec dl { margin: 0; }
.spec dt {
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--teal);
  margin-top: 9px;
}
.spec dt:first-child { margin-top: 0; }
.spec dd { margin: 1px 0 0; color: var(--ink); }

.spec ul { margin: 0; padding-left: 16px; }
.spec li { margin-bottom: 6px; }
.spec li::marker { color: var(--rust); }

.spec p { margin: 0 0 10px; }
.spec p:last-child { margin-bottom: 0; }

.spec-stack { display: grid; gap: 22px; align-content: start; }

/* ---------- Imágenes ---------- */

.figure { margin: 0; }

.figure img {
  border: 1px solid var(--rule);
  width: 100%;
}

.figure figcaption {
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--teal);
}

/* ---------- Separadores ---------- */

.rule {
  grid-column: 1 / -1;
  position: relative;
  height: 1px;
  background: var(--rule);
  margin: calc(var(--gap) / 2) 0;
}

.rule::before,
.rule::after {
  content: '';
  position: absolute;
  top: -5px;
  width: 1px;
  height: 11px;
  background: var(--teal);
}

.rule::before { left: 0; }
.rule::after { right: 0; }

.gap { grid-column: 1 / -1; height: var(--gap); }

/* ---------- Listas del cuerpo ---------- */

.prose ul,
.prose ol { margin: 0 0 22px; padding-left: 20px; }
.prose li { margin-bottom: 9px; }
.prose ul li::marker { color: var(--rust); }
.prose ol li::marker { color: var(--teal); font-family: var(--sans); font-size: 14px; }

.checklist {
  list-style: none;
  padding-left: 0;
}

.checklist li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 11px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 11px;
}

.checklist li:last-child { border-bottom: 0; }

.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--rust);
}

.band-dark .checklist li { border-bottom-color: var(--rule-dark); }

/* Tabla de términos */
.terms-table { margin: 0 0 22px; }
.terms-table dt {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--teal);
  padding-top: 12px;
  border-top: 1px solid var(--rule);
}
.terms-table dd { margin: 5px 0 14px; }

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

.site-footer {
  max-width: 1180px;
  margin: 0 auto 54px;
  padding: 0 22px;
}

.footer-inner { padding-top: 30px; }

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px 26px;
  padding-bottom: 16px;
}

.footer-top .name {
  font-size: 19px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-bottom {
  border-top: 1px solid var(--rule);
  padding-top: 16px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 26px;
  row-gap: 16px;
}

.footer-nav { grid-column: 1 / span 7; }
.footer-note { grid-column: 9 / span 4; }

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.footer-nav a {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.footer-nav a:hover { color: var(--rust); border-bottom-color: var(--rust); }

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

@media (max-width: 900px) {
  :root { --gap: 60px; --plate-pad: 26px; }
  .col-main, .col-side, .col-img, .col-cap, .col-wide { grid-column: 1 / -1; }
  .hero-top h1, .hero-top .spec { grid-column: 1 / -1; }
  .hero-lead { grid-column: 1 / -1; }
  .footer-nav, .footer-note { grid-column: 1 / -1; }
  .col-cap { align-self: start; }
}

@media (max-width: 640px) {
  :root { --gap: 52px; --plate-pad: 20px; }
  body { font-size: 17px; }
  .sheet { margin: 20px auto; padding: 0 14px; }
  .site-footer { padding: 0 14px; margin-bottom: 40px; }
  .band, .band-dark { padding: 40px var(--plate-pad); }
  .grid { column-gap: 0; row-gap: 24px; }
  .prose p + p { text-indent: 0; margin-top: 0; }
}