/* Nilatana — hoja base */

:root {
  --base: #f1f2f0;
  --tint: #e3e5e2;
  --dark: #141614;
  --ink: #171917;
  --ink-soft: #6a6e6a;
  --ink-inv: #f1f2f0;
  --accent: #2a6b3c;
  --accent-2: #8a6a20;
  --gap: 24px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--base);
  color: var(--ink);
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
}

.col-wide   { grid-column: 2 / 9; }   /* 7 col */
.col-text   { grid-column: 2 / 8; }   /* 6 col, campo libre a la derecha */
.col-right  { grid-column: 5 / 12; }  /* 7 col, campo libre a la izquierda */
.col-narrow { grid-column: 2 / 7; }   /* 5 col */
.col-shift  { grid-column: 4 / 10; }  /* 6 col centrado-desplazado */
.col-full   { grid-column: 1 / 13; }

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

h1 {
  grid-column: 2 / 9;
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -0.032em;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(1.45rem, 2.5vw, 2rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.016em;
}

h3 {
  margin: 34px 0 10px;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.4;
}

p { margin: 0 0 18px; }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: 1.22rem;
  line-height: 1.55;
  margin-top: 30px;
}

.num {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-2);
  margin-bottom: 10px;
}

.note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

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

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

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

ul, ol { margin: 0 0 18px; padding-left: 20px; }
li { margin-bottom: 9px; }
li::marker { color: var(--accent); }
ul.plain { list-style: none; padding-left: 0; }
ul.plain li {
  border-top: 1px solid rgba(23, 25, 23, 0.14);
  padding: 11px 0 11px 0;
  margin: 0;
}

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

.site-head {
  border-bottom: 1px solid rgba(23, 25, 23, 0.12);
}

.site-head .wrap {
  padding-top: 20px;
  padding-bottom: 20px;
  align-items: baseline;
  row-gap: 8px;
}

.brand {
  grid-column: 1 / 5;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

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

.site-nav {
  grid-column: 5 / 13;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  justify-content: flex-end;
  font-size: 15px;
}

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

.site-nav a:hover { border-bottom-color: var(--accent); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--accent-2); }

/* ---------- ritmo de secciones ---------- */

.sec { padding-top: 64px; }
.sec--tint { background: var(--tint); padding-top: 64px; padding-bottom: 64px; }
.sec--image { padding-top: 112px; }
.sec--dark {
  background: var(--dark);
  color: var(--ink-inv);
  padding-top: 112px;
  padding-bottom: 112px;
  margin-top: 112px;
}
.sec--last { padding-bottom: 104px; }

.hero { padding-top: 78px; }

.hero-bar {
  grid-column: 11 / 12;
  align-self: start;
  width: 14px;
  height: clamp(96px, 12vw, 172px);
  background: var(--accent-2);
  margin-top: 8px;
}

/* ---------- reglas de color ---------- */

.rule { height: 3px; margin: 0 0 30px; }
.rule--a { grid-column: 2 / 5;  background: var(--accent); }
.rule--b { grid-column: 2 / 7;  background: var(--accent-2); }
.rule--c { grid-column: 5 / 8;  background: var(--accent); }
.rule--d { grid-column: 2 / 4;  background: var(--accent-2); }
.rule--e { grid-column: 4 / 9;  background: var(--accent); }

/* ---------- imágenes ---------- */

.figure-main {
  grid-column: 1 / 9;
  margin: 0;
}

.figure-main img {
  display: block;
  width: 100%;
  height: auto;
}

.figure-main figcaption {
  margin-top: 12px;
  text-align: right;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.figure-detail {
  grid-column: 2 / 6;
  margin: 0;
}

.figure-detail img {
  display: block;
  width: 100%;
  height: auto;
}

.figure-detail figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: #a7aca7;
}

.dark-text { grid-column: 7 / 13; }
.sec--dark h2 { color: var(--ink-inv); }
.sec--dark .num { color: #c6a659; }
.sec--dark a { color: #8fc39b; }
.sec--dark li::marker { color: #8fc39b; }
.sec--dark ul.plain li { border-top-color: rgba(241, 242, 240, 0.2); }
.sec--dark :focus-visible { outline-color: #8fc39b; }

/* ---------- índice de contenidos ---------- */

.toc { grid-column: 2 / 10; }
.toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--gap);
}
.toc li {
  border-top: 1px solid rgba(23, 25, 23, 0.16);
  padding: 11px 0;
  margin: 0;
}
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }
.toc span {
  display: inline-block;
  min-width: 34px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 600;
}

/* ---------- about ---------- */

.about-grid { row-gap: 0; }
.about-mark {
  grid-column: 1 / 3;
  height: 8px;
  margin-top: 14px;
}
.about-mark--1 { background: var(--accent); width: 72%; }
.about-mark--2 { background: var(--accent-2); width: 46%; }
.about-mark--3 { background: var(--accent); width: 58%; }
.about-block { grid-column: 3 / 9; padding-bottom: 46px; }

/* ---------- páginas legales ---------- */

.doc { grid-column: 2 / 9; }
.doc h2 { margin-top: 46px; }
.doc h2:first-of-type { margin-top: 0; }

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

.site-foot {
  background: var(--tint);
  margin-top: 0;
  padding-top: 40px;
  padding-bottom: 56px;
}

.foot-bar {
  grid-column: 1 / 5;
  height: 6px;
  background: var(--accent);
  margin-bottom: 34px;
}

.foot-name {
  grid-column: 2 / 7;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 14px;
}

.foot-nav {
  grid-column: 2 / 8;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 15px;
}

.foot-nav a { color: var(--ink); text-decoration: none; border-bottom: 1px solid rgba(23,25,23,0.3); }
.foot-nav a:hover { border-bottom-color: var(--accent); }

.foot-contact {
  grid-column: 9 / 13;
  text-align: right;
  font-size: 15px;
}

.foot-contact .note { margin-top: 8px; }

/* ---------- tablet ---------- */

@media (max-width: 1000px) {
  .wrap { padding-left: 26px; padding-right: 26px; }
  h1, .col-wide { grid-column: 1 / 11; }
  .col-text { grid-column: 1 / 10; }
  .col-right { grid-column: 3 / 13; }
  .col-narrow { grid-column: 1 / 9; }
  .col-shift { grid-column: 2 / 11; }
  .figure-main { grid-column: 1 / 11; }
  .figure-detail { grid-column: 1 / 6; }
  .dark-text { grid-column: 6 / 13; }
  .toc { grid-column: 1 / 12; }
  .hero-bar { grid-column: 12 / 13; }
  .rule--a { grid-column: 1 / 4; }
  .rule--b { grid-column: 1 / 6; }
  .rule--c { grid-column: 4 / 7; }
  .rule--d { grid-column: 1 / 3; }
  .rule--e { grid-column: 3 / 8; }
  .about-block { grid-column: 3 / 12; }
  .doc { grid-column: 1 / 11; }
  .foot-name, .foot-nav { grid-column: 1 / 9; }
  .foot-contact { grid-column: 9 / 13; }
}

/* ---------- móvil ---------- */

@media (max-width: 720px) {
  body { font-size: 16.5px; }

  .wrap {
    grid-template-columns: 1fr;
    padding-left: 20px;
    padding-right: 20px;
  }

  h1, .col-wide, .col-text, .col-right, .col-narrow, .col-shift,
  .figure-main, .figure-detail, .dark-text, .toc, .doc,
  .about-mark, .about-block, .foot-bar, .foot-name, .foot-nav, .foot-contact,
  .rule, .brand, .site-nav, .hero-bar {
    grid-column: 1;
  }

  h1 { font-size: clamp(2.1rem, 9vw, 2.9rem); }
  .lead { font-size: 1.1rem; margin-top: 24px; }

  .hero { padding-top: 46px; }
  .hero-bar {
    order: -1;
    width: 96px;
    height: 8px;
    margin: 0 0 22px;
  }

  .sec { padding-top: 40px; }
  .sec--tint { padding-top: 40px; padding-bottom: 40px; }
  .sec--image { padding-top: 64px; }
  .sec--dark { padding-top: 64px; padding-bottom: 64px; margin-top: 64px; }
  .sec--last { padding-bottom: 64px; }

  .rule { margin-bottom: 24px; }
  .rule--a, .rule--c, .rule--e { width: 64%; }
  .rule--b, .rule--d { width: 42%; }

  .site-head .wrap { row-gap: 12px; }
  .site-nav { justify-content: flex-start; gap: 6px 18px; }

  .figure-main figcaption { text-align: left; }
  .toc ol { grid-template-columns: 1fr; }

  .about-mark { width: 84px; height: 6px; margin: 0 0 14px; }
  .about-block { padding-bottom: 34px; }

  .foot-bar { width: 60%; margin-bottom: 26px; }
  .foot-contact { text-align: left; margin-top: 22px; }
}