/* Skidalde — hoja de estilos general */

:root {
  --bg: #1d1815;
  --panel: #251f1a;
  --light: #f1ebdf;
  --text: #eae4d8;
  --muted: #9a8f82;
  --accent: #c08a45;
  --accent2: #728a63;
  --line: rgba(154, 143, 130, 0.34);
  --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;
  padding: 40px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.9;
  overflow-x: hidden;
}

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

.panel {
  max-width: 1180px;
  margin: 0 auto;
  background: var(--panel);
  border: 1px solid rgba(192, 138, 69, 0.45);
  padding: 52px 56px 64px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 28px;
}

.col-main { grid-column: 1 / span 7; }
.col-side { grid-column: 9 / span 4; }
.col-wide { grid-column: 1 / span 9; }
.col-full { grid-column: 1 / -1; }

section + section,
.rule + section { margin-top: 0; }

.block { margin-top: 88px; }

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.3;
  margin: 0 0 18px;
}

h1 {
  font-size: 42px;
  letter-spacing: 0.01em;
  grid-column: 1 / span 8;
  margin-bottom: 0;
}

h2 { font-size: 29px; }
h3 { font-size: 21px; margin-top: 34px; }

p { margin: 0 0 26px; }
p:last-child { margin-bottom: 0; }

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

a:hover { color: var(--text); }

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

.num {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 12px;
}

.lead {
  font-size: 20px;
  line-height: 1.8;
  color: var(--text);
}

.caption {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

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

.top {
  max-width: 1180px;
  margin: 0 auto 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 28px;
}

.brand {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
}

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

.nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  margin: 0;
  padding: 0;
}

.nav a {
  font-size: 15px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

/* ---------- Hero ---------- */

.hero { align-items: start; }

.hero-note {
  grid-column: 9 / span 4;
  border: 1px solid var(--line);
  padding: 18px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.hero-note dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
}

.hero-note dt {
  color: var(--accent2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
  line-height: 1.9;
}

.hero-note dd { margin: 0; }

.hero-text { grid-column: 1 / span 7; margin-top: 34px; }

/* ---------- Imágenes ---------- */

.figure-main {
  grid-column: 1 / span 5;
  margin: 0;
}

.figure-main img,
.figure-detail img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.figure-side {
  grid-column: 7 / span 4;
  align-self: end;
}

/* ---------- Sección contrastada ---------- */

.invert {
  background: var(--light);
  color: #1d1815;
  margin: 88px -56px 0;
  padding: 64px 56px;
}

.invert h2 { color: #1d1815; }
.invert .num { color: #4d6340; }
.invert .caption { color: #5d5346; }
.invert a { color: #8a5d1f; }
.invert a:hover { color: #1d1815; }
.invert .spec { border-color: rgba(29, 24, 21, 0.28); color: #4a4139; }
.invert .spec dt { color: #4d6340; }
.invert li::marker { color: #8a5d1f; }

.figure-detail {
  grid-column: 8 / span 5;
  margin: 0;
}

.figure-detail img { border-color: rgba(29, 24, 21, 0.3); }

.figure-detail figcaption { margin-top: 12px; }

.invert-text { grid-column: 1 / span 6; }

/* ---------- Tablas laterales ---------- */

.spec {
  border: 1px solid var(--line);
  padding: 18px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.spec h3 {
  font-size: 14px;
  font-family: var(--sans);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent2);
  margin: 0 0 10px;
}

.spec dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
}

.spec dt { color: var(--accent2); }
.spec dd { margin: 0; }

.spec ul { margin: 0; padding-left: 18px; }
.spec p { margin: 0 0 12px; }

.side-stack {
  grid-column: 9 / span 4;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* separador sustituido por tabla en el margen derecho */
.rule-note {
  grid-column: 9 / span 4;
  border: 1px solid var(--line);
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Listas ---------- */

ul, ol { padding-left: 22px; margin: 0 0 26px; }
li { margin-bottom: 12px; }
li::marker { color: var(--accent); }

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

.checklist li {
  position: relative;
  padding-left: 28px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

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

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 12px;
  height: 1px;
  background: var(--accent);
}

/* ---------- Separador ---------- */

.rule {
  position: relative;
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 88px 0 0;
}

.rule::before,
.rule::after {
  content: "";
  position: absolute;
  top: -5px;
  width: 1px;
  height: 11px;
  background: var(--accent2);
}

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

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

.site-footer {
  max-width: 1180px;
  margin: 56px auto 0;
  padding-top: 8px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 28px;
  margin-bottom: 16px;
}

.footer-name {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.footer-line {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0 0 18px;
}

.footer-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  margin: 0 0 14px;
  padding: 0;
}

.footer-nav a {
  font-size: 15px;
  color: var(--muted);
  text-decoration: none;
}

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

.footer-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
  margin: 0;
}

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

@media (max-width: 1000px) {
  h1 { font-size: 36px; }
  .panel { padding: 42px 34px 48px; }
  .invert { margin-left: -34px; margin-right: -34px; padding: 48px 34px; }
  .col-main, .col-side, .col-wide, .hero-text,
  .hero-note, .figure-main, .figure-side, .figure-detail,
  .invert-text, .side-stack, .rule-note { grid-column: 1 / -1; }
  h1 { grid-column: 1 / -1; }
  .figure-main { max-width: 480px; }
  .figure-detail { max-width: 440px; }
}

@media (max-width: 640px) {
  body { padding: 16px; font-size: 17px; }
  .panel { padding: 28px 20px 34px; }
  .invert { margin: 52px -20px 0; padding: 36px 20px; }
  h1 { font-size: 29px; }
  h2 { font-size: 24px; }
  h3 { font-size: 19px; }
  .block { margin-top: 52px; }
  .rule { margin-top: 52px; }
  .grid { gap: 22px; }
  .site-footer { margin-top: 40px; }
  .footer-top { flex-direction: column; }
}