/* Flolabru — hoja de estilos común
   Estilo: "ruled-margin", papel amarillento de archivo, sepia */

:root {
  --paper: #f5f0df;
  --paper-alt: #e9e1c9;
  --ink-dark: #2f2a1e;
  --text: #241f16;
  --text-soft: #736b55;
  --text-invert: #f5f0df;
  --accent: #8a6a1f;
  --accent-2: #4a6b52;
  --rule: rgba(115, 107, 85, 0.28);
  --rule-soft: rgba(115, 107, 85, 0.16);
  --rule-invert: rgba(245, 240, 223, 0.24);
  --serif: Georgia, 'Times New Roman', Times, serif;
  --sans: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --lh: 72px;
  --gap: 28px;
}

*, *::before, *::after { box-sizing: border-box; }

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

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

/* ---------- rejilla de 12 columnas con margen reservado ---------- */

.sheet {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
}

.margin-note {
  grid-column: 1 / 4;
  position: relative;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-soft);
  padding-right: 24px;
}

.margin-note::after {
  content: "";
  position: absolute;
  top: 0;
  right: 12px;
  bottom: -12px;
  width: 1px;
  background: var(--accent);
  opacity: 0.55;
}

.col-text { grid-column: 4 / 10; }
.col-wide { grid-column: 4 / 12; }
.col-full { grid-column: 4 / 13; }

/* ---------- inicial y numeración de sección ---------- */

.initial {
  grid-column: 1 / 4;
  position: relative;
  font-family: var(--serif);
  font-size: 76px;
  line-height: 0.9;
  color: var(--accent);
  text-align: right;
  padding-right: 24px;
}

.initial::after {
  content: "";
  position: absolute;
  top: 6px;
  right: 12px;
  bottom: -40px;
  width: 1px;
  background: var(--rule);
}

.sec-no {
  display: block;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  margin-top: 10px;
}

/* ---------- reglas y guías ---------- */

.guide {
  border: 0;
  height: 1px;
  background: var(--rule-soft);
  margin: 0 0 22px;
}

.guide-strong { background: var(--rule); }

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

.site-head {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0 20px;
}

.site-head .sheet { align-items: baseline; row-gap: 12px; }

.brand {
  grid-column: 1 / 4;
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: 0.01em;
  color: var(--text);
  text-decoration: none;
}

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

.site-nav {
  grid-column: 4 / 13;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  align-items: baseline;
}

.site-nav a {
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

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

.site-nav li + li::before {
  content: "/";
  color: var(--accent-2);
  margin: 0 12px;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
}

.site-nav li { display: flex; align-items: baseline; }

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--text);
}

h1 {
  font-size: clamp(38px, 5.2vw, 62px);
  line-height: 1.05;
  margin: 0 0 26px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(26px, 2.9vw, 34px);
  line-height: 1.15;
  margin: 0 0 18px;
}

h3 {
  font-size: 20px;
  line-height: 1.3;
  margin: 34px 0 12px;
}

p { margin: 0 0 20px; max-width: 72ch; }

.lede { font-size: 19px; line-height: 1.75; }

.caption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-soft);
  margin: 10px 0 0;
}

.caption b { font-weight: 600; color: var(--accent-2); }

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

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

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

.hero { padding: 64px 0 40px; }

.hero .sheet { row-gap: 0; }

.hero-initial {
  grid-column: 1 / 4;
  font-family: var(--serif);
  font-size: clamp(80px, 10.4vw, 124px);
  line-height: 1.05;
  color: var(--accent);
  text-align: right;
  padding-right: 24px;
  position: relative;
}

.hero-initial::after {
  content: "";
  position: absolute;
  top: 10px;
  right: 12px;
  bottom: -60px;
  width: 1px;
  background: var(--accent);
  opacity: 0.6;
}

.hero-title { grid-column: 4 / 13; }

.hero-lede {
  grid-column: 4 / 10;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  padding: 20px 0;
  margin-top: 6px;
}

.hero-lede p:last-child { margin-bottom: 0; }

.hero-meta {
  grid-column: 1 / 4;
  font-size: 13px;
  color: var(--text-soft);
  padding-right: 24px;
  text-align: right;
  margin-top: 30px;
}

/* ---------- figura principal ---------- */

.figure-main { padding: 20px 0 var(--lh); }

.figure-main .sheet { align-items: start; }

.figure-main figure { grid-column: 6 / 13; margin: 0; }

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

.figure-side {
  grid-column: 1 / 4;
  position: relative;
  padding-right: 24px;
  text-align: right;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-soft);
}

.figure-side::after {
  content: "";
  position: absolute;
  top: 0;
  right: 12px;
  height: 100%;
  width: 1px;
  background: var(--rule-soft);
}

/* ---------- secciones de texto ---------- */

.band { padding: var(--lh) 0; }

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

.band + .band { border-top: 1px solid var(--rule-soft); }

.band-alt + .band,
.band + .band-alt { border-top: 0; }

.band .sheet { row-gap: 0; }

.band h2 { margin-top: -6px; }

.head-rule {
  grid-column: 4 / 10;
  border: 0;
  height: 1px;
  background: var(--rule);
  margin: 0 0 26px;
}

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

.list {
  grid-column: 4 / 12;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  max-width: 80ch;
}

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

.list-num { counter-reset: paso; }

.list-num li::before {
  counter-increment: paso;
  content: counter(paso, decimal-leading-zero);
  font-size: 13px;
  color: var(--accent-2);
  top: 3px;
}

.list-check li::before { content: "☐"; color: var(--accent); }

.list dt {
  font-family: var(--serif);
  font-size: 19px;
  margin-top: 22px;
}

/* definiciones */
.defs { grid-column: 4 / 12; margin: 0 0 20px; }
.defs dt {
  font-family: var(--serif);
  font-size: 20px;
  margin-top: 24px;
  color: var(--text);
}
.defs dd {
  margin: 6px 0 0;
  max-width: 74ch;
}

/* ---------- sección contrastada ---------- */

.band-dark {
  background: var(--ink-dark);
  color: var(--text-invert);
  padding: var(--lh) 0;
}

.band-dark h2,
.band-dark h3 { color: var(--text-invert); }

.band-dark .initial { color: #cba765; }
.band-dark .initial::after { background: var(--rule-invert); }
.band-dark .sec-no { color: #9dbba6; }
.band-dark .head-rule { background: var(--rule-invert); }
.band-dark .list li::before { color: #cba765; }
.band-dark .caption { color: rgba(245, 240, 223, 0.72); }
.band-dark .caption b { color: #9dbba6; }
.band-dark a { color: #d8b871; }

.dark-figure { grid-column: 4 / 8; margin: 0; }

.dark-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--rule-invert);
}

.dark-body { grid-column: 8 / 13; }
.dark-body p { max-width: 60ch; }
.dark-body > *:last-child { margin-bottom: 0; }

/* ---------- páginas interiores ---------- */

.page-head { padding: 56px 0 34px; }

.page-head .hero-initial::after { bottom: -30px; }

.page-body { padding: 0 0 var(--lh); }

.page-body .sheet { row-gap: 0; }

.block { display: contents; }

.block-text {
  grid-column: 4 / 10;
  margin-bottom: 46px;
}

.block-text > *:last-child { margin-bottom: 0; }

.block-text .list { grid-column: auto; }

.side-label {
  grid-column: 1 / 4;
  position: relative;
  padding-right: 24px;
  text-align: right;
  margin-bottom: 46px;
}

.side-label::after {
  content: "";
  position: absolute;
  top: 4px;
  right: 12px;
  bottom: -20px;
  width: 1px;
  background: var(--rule-soft);
}

.side-label .glyph {
  display: block;
  font-family: var(--serif);
  font-size: 52px;
  line-height: 0.95;
  color: var(--accent);
}

.side-label .tag {
  display: block;
  font-size: 13px;
  color: var(--accent-2);
  margin-top: 8px;
}

.block-text h2 {
  font-size: clamp(24px, 2.5vw, 30px);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

/* ---------- pie de página ---------- */

.site-foot {
  background: var(--paper-alt);
  border-top: 1px solid var(--rule);
  padding: 44px 0 52px;
  margin-top: 0;
}

.site-foot .sheet { row-gap: 20px; align-items: start; }

.foot-mark {
  grid-column: 1 / 5;
  position: relative;
  padding-right: 24px;
}

.foot-mark::after {
  content: "";
  position: absolute;
  top: 0;
  left: -20px;
  height: 100%;
  width: 1px;
  background: var(--accent);
  opacity: 0.5;
}

.foot-mark .name {
  font-family: var(--serif);
  font-size: 24px;
  display: block;
  margin-bottom: 8px;
}

.foot-mark p {
  font-size: 13px;
  color: var(--text-soft);
  margin: 0;
  max-width: 34ch;
}

.foot-nav { grid-column: 5 / 10; }

.foot-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  font-size: 15px;
}

.foot-nav li { display: flex; align-items: baseline; }

.foot-nav li + li::before {
  content: "·";
  color: var(--accent);
  margin: 0 12px;
}

.foot-nav a { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--rule); padding-bottom: 2px; }
.foot-nav a:hover { border-bottom-color: var(--accent); }

.foot-contact {
  grid-column: 10 / 13;
  text-align: right;
  font-size: 14px;
}

.foot-contact span {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 6px;
}

.foot-legal {
  grid-column: 1 / 13;
  border-top: 1px solid var(--rule-soft);
  padding-top: 18px;
  font-size: 13px;
  color: var(--text-soft);
  margin-top: 8px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink-dark);
  color: var(--text-invert);
  padding: 10px 16px;
  z-index: 5;
}

.skip-link:focus {
  left: 8px;
  top: 8px;
}

/* ---------- tableta ---------- */

@media (max-width: 900px) {
  :root { --lh: 56px; --gap: 20px; }

  .sheet { padding: 0 24px; }

  .margin-note, .initial, .hero-initial, .figure-side, .side-label, .hero-meta {
    grid-column: 1 / 13;
    text-align: left;
    padding-right: 0;
  }

  .initial::after, .hero-initial::after, .figure-side::after,
  .side-label::after, .margin-note::after { display: none; }

  .initial, .hero-initial {
    font-size: 58px;
    border-left: 2px solid var(--accent);
    padding-left: 14px;
    margin-bottom: 14px;
  }

  .hero-initial { font-size: 66px; }

  .col-text, .col-wide, .col-full,
  .hero-title, .hero-lede, .head-rule, .list, .defs,
  .block-text, .dark-body { grid-column: 1 / 13; }

  .figure-main figure { grid-column: 1 / 13; }
  .dark-figure { grid-column: 1 / 9; margin-bottom: 28px; }

  .side-label { margin-bottom: 12px; }
  .side-label .glyph { font-size: 34px; display: inline-block; margin-right: 10px; }
  .side-label .tag { display: inline-block; margin-top: 0; }

  .brand { grid-column: 1 / 13; }
  .site-nav { grid-column: 1 / 13; }

  .foot-mark, .foot-nav, .foot-contact, .foot-legal { grid-column: 1 / 13; }
  .foot-contact { text-align: left; }
  .foot-mark::after { display: none; }
  .foot-mark { border-left: 2px solid var(--accent); padding-left: 14px; }
}

/* ---------- móvil ---------- */

@media (max-width: 600px) {
  :root { --lh: 44px; }

  body { font-size: 16px; line-height: 1.75; }

  .sheet { padding: 0 18px; }

  .hero { padding: 40px 0 28px; }

  .site-nav li + li::before { margin: 0 8px; }

  .foot-nav li + li::before { margin: 0 8px; }

  .dark-figure { grid-column: 1 / 13; }

  h3 { margin-top: 26px; }
}