/* Sketoni — hoja de estilos común */

:root {
  --bg: #fbf9f5;
  --bg-alt: #e4e8e1;
  --bg-dark: #223129;
  --ink: #22201c;
  --ink-soft: #797468;
  --ink-inv: #fbf9f5;
  --accent: #54684e;
  --accent-2: #a87c48;
  --mono: ui-monospace, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover { text-decoration-thickness: 2px; }

a:focus-visible,
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

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

.wrap {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
}

.col-text { grid-column: 4 / 10; }
.col-list { grid-column: 4 / 11; }
.col-figure { grid-column: 3 / 11; }

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

h1, h2, h3 {
  font-family: var(--mono);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.13em;
  margin: 0;
}

h1 {
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.5;
  letter-spacing: 0.11em;
}

h2 {
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.65;
  letter-spacing: 0.15em;
  margin-bottom: 32px;
}

h3 {
  font-size: 0.86rem;
  line-height: 1.7;
  letter-spacing: 0.16em;
  margin: 48px 0 14px;
}

p { margin: 0 0 24px; }
p:last-child { margin-bottom: 0; }

.snum {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--accent-2);
  margin: 0 0 20px;
}

.lead {
  font-size: 1.24rem;
  line-height: 1.65;
}

.soft { color: var(--ink-soft); }

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

.site-header { padding: 40px 0 0; }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 40px;
}

.site-nav a {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--accent); }

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

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 14vh;
}

.hero-body {
  margin-top: auto;
  text-align: center;
}

.hero-body h1 {
  max-width: 22ch;
  margin: 0 auto;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 36px auto 0;
}

.page-head {
  padding: 96px 0 0;
  text-align: center;
}

.page-head h1 { max-width: 24ch; margin: 0 auto; }

/* ---------- secciones ---------- */

.section { padding: 128px 0; }
.section--tight { padding: 96px 0 128px; }
.section--alt { background: var(--bg-alt); }

.section--dark {
  background: var(--bg-dark);
  color: var(--ink-inv);
}

.section--dark .snum { color: var(--accent-2); }
.section--dark figcaption { color: #b9bfb2; }

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

figure { margin: 0; }

figcaption {
  font-family: var(--mono);
  font-size: 0.66rem;
  line-height: 1.8;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 22px;
}

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

.detail-figure { grid-column: 2 / 6; }
.detail-text { grid-column: 7 / 12; }
.detail-figure figcaption { text-align: left; }

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

ul.marks, ol.marks {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

ul.marks li, ol.marks li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 14px;
}

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

ol.marks { counter-reset: step; }

ol.marks li { counter-increment: step; }

ol.marks li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1em;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--accent-2);
}

.section--dark ul.marks li::before { color: #a4b39a; }

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

.prose { padding: 96px 0 0; }
.prose .col-text > p:first-of-type { font-size: 1.24rem; line-height: 1.65; }

.tie {
  text-align: center;
  color: var(--accent-2);
  font-family: var(--mono);
  letter-spacing: 0.3em;
  margin: 88px 0;
}

.about-block h2 { margin-bottom: 26px; }

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

.site-footer {
  background: var(--bg-alt);
  padding: 128px 0;
  margin-top: 128px;
  text-align: center;
}

.site-footer .brand {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.86rem;
  margin: 0 0 40px;
}

.footer-nav ul {
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 40px;
}

.footer-nav a {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
}

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

.footer-mail { margin: 0 0 28px; }

.footer-note {
  font-size: 0.86rem;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 auto;
}

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

@media (max-width: 1000px) {
  .col-text { grid-column: 3 / 11; }
  .col-list { grid-column: 3 / 11; }
  .col-figure { grid-column: 2 / 12; }
  .detail-figure { grid-column: 1 / 6; }
  .detail-text { grid-column: 7 / 13; }
}

@media (max-width: 760px) {
  body { font-size: 16.5px; }

  .grid > * { grid-column: 1 / -1; }

  .section { padding: 72px 0; }
  .section--tight { padding: 64px 0 72px; }

  .hero {
    min-height: auto;
    padding-bottom: 72px;
  }

  .hero-body { margin-top: 96px; }
  .page-head { padding: 64px 0 0; }
  .prose { padding: 64px 0 0; }

  .figure-main { padding: 56px 0; }

  .detail-text { margin-top: 40px; }
  .detail-figure figcaption { text-align: center; }

  .tie { margin: 64px 0; }

  .site-footer { padding: 88px 0; margin-top: 72px; }

  .site-nav ul { gap: 14px 26px; }
  .footer-nav ul { gap: 14px 26px; }
}