/* Skakigi — hoja de estilos común */

:root {
  --bg: #eeece8;
  --bg-alt: #dedbd5;
  --dark: #232220;
  --ink: #191817;
  --ink-2: #6b6862;
  --ink-inv: #eeece8;
  --accent: #8a6a12;
  --accent-2: #4a6470;
  --gap: 24px;
  --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;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  overflow-x: hidden;
}

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

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

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

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

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  color: inherit;
  margin: 0;
}

h1 {
  font-size: clamp(32px, 4.6vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(22px, 2.1vw, 27px);
  line-height: 1.28;
  padding-top: 1px;
}

h3 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.4;
  margin: 34px 0 10px;
}

p { margin: 0 0 20px; }

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

.label,
.sec-num,
.fig-cap,
figcaption {
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.sec-num { color: var(--accent-2); display: block; margin-bottom: 10px; }

.lead {
  font-size: 18px;
  line-height: 1.66;
  color: var(--ink-2);
}

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

ul.marks {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

ul.marks li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
}

ul.marks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  background: var(--accent);
}

ol.steps {
  margin: 0 0 20px;
  padding-left: 22px;
}

ol.steps li { margin-bottom: 12px; padding-left: 6px; }

ol.steps li::marker { color: var(--accent-2); font-size: 13px; letter-spacing: 0.1em; }

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

.site-head {
  padding: 26px 0 0;
}

.site-head .grid { align-items: baseline; }

.brand {
  grid-column: 1 / 4;
  font-family: var(--serif);
  font-size: 21px;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover { text-decoration: none; color: var(--accent); }

.site-nav {
  grid-column: 4 / 13;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 26px;
}

.site-nav a {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 5px;
}

/* ---------- hero ---------- */

.hero { padding: 64px 0 0; }

.hero h1 { grid-column: 1 / 8; }

.hero-intro {
  grid-column: 9 / 13;
  align-self: start;
  padding-top: 6px;
}

.hero-intro p { font-size: 16px; line-height: 1.7; color: var(--ink-2); }

.axis {
  grid-column: 1 / 8;
  position: relative;
  height: 118px;
  margin-top: 30px;
  border-top: 2px solid var(--accent);
}

.axis span {
  position: absolute;
  top: 0;
  width: 1px;
  background: var(--accent-2);
}

.axis span::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: -3px;
  width: 8px;
  height: 8px;
  background: var(--accent);
}

.axis .a1 { left: 5%; height: 86px; }
.axis .a2 { left: 33%; height: 44px; }
.axis .a3 { left: 67%; height: 110px; }

/* ---------- imagen principal ---------- */

.fig-main {
  margin: 0;
  padding-bottom: 80px;
}

.fig-cap {
  grid-column: 1 / 4;
  align-self: start;
  padding-top: 4px;
}

.fig-img { grid-column: 4 / 13; }

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

.sec { padding: 80px 0; }

.sec.alt { background: var(--bg-alt); }

.sec-head { grid-column: 1 / 4; }

.sec-head::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  margin-bottom: 18px;
}

.sec-body { grid-column: 4 / 11; }

.sec-body > :first-child { margin-top: 0; }

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

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

.sec.dark h2,
.sec.dark h3 { color: var(--ink-inv); }

.sec.dark p { color: #d6d3cd; }

.sec.dark .sec-num { color: #93a7b0; }

.sec.dark a { color: #d3b160; }

.sec.dark ul.marks li::before { background: #d3b160; }

.sec.dark figcaption { color: #9a968e; }

.sec.dark .sec-head::before { background: #d3b160; }

.detail-fig {
  grid-column: 2 / 7;
  margin: 0;
}

.detail-fig figcaption { margin-top: 14px; }

.detail-text {
  grid-column: 8 / 13;
  align-self: center;
}

.dark-head {
  grid-column: 1 / 13;
  margin-bottom: 44px;
}

.dark-head h2 { max-width: 22ch; }

/* ---------- bloques de texto ancho ---------- */

.wide-body { grid-column: 1 / 8; }

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

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

.page-head h1 { grid-column: 1 / 9; }

.page-head .lead { grid-column: 1 / 8; margin-top: 26px; }

.doc { padding: 64px 0 80px; }

.doc-row { margin-bottom: 0; }

.doc-head { grid-column: 1 / 4; padding-bottom: 44px; }

.doc-body {
  grid-column: 5 / 12;
  border-left: 1px solid rgba(25, 24, 23, 0.16);
  padding-left: 30px;
  padding-bottom: 44px;
}

.doc-row:last-child .doc-body { padding-bottom: 0; }

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

.site-foot {
  background: var(--dark);
  color: var(--ink-inv);
  padding: 64px 0 56px;
}

.foot-name {
  grid-column: 1 / 7;
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.2;
}

.foot-mail {
  grid-column: 7 / 13;
  align-self: end;
  text-align: right;
}

.foot-mail a { color: #d3b160; font-size: 17px; }

.foot-rule {
  grid-column: 1 / 13;
  height: 1px;
  background: rgba(238, 236, 232, 0.24);
  margin: 26px 0 24px;
}

.foot-links {
  grid-column: 1 / 8;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.foot-links a {
  color: #d6d3cd;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.foot-links a:hover { color: #d3b160; text-decoration: underline; text-underline-offset: 4px; }

.foot-note {
  grid-column: 8 / 13;
  font-size: 13px;
  line-height: 1.6;
  color: #9a968e;
  text-align: right;
}

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

@media (max-width: 1000px) {
  .hero h1 { grid-column: 1 / 10; }
  .hero-intro { grid-column: 1 / 9; padding-top: 26px; }
  .axis { grid-column: 1 / 10; height: 96px; }
  .fig-cap { grid-column: 1 / 4; }
  .fig-img { grid-column: 4 / 13; }
  .sec-head { grid-column: 1 / 5; }
  .sec-body { grid-column: 5 / 13; }
  .detail-fig { grid-column: 1 / 7; }
  .detail-text { grid-column: 8 / 13; }
  .wide-body { grid-column: 1 / 10; }
  .doc-head { grid-column: 1 / 5; padding-bottom: 18px; }
  .doc-body { grid-column: 5 / 13; }
  .page-head h1 { grid-column: 1 / 12; }
  .page-head .lead { grid-column: 1 / 11; }
  .brand { grid-column: 1 / 5; }
  .site-nav { grid-column: 5 / 13; }
}

/* ---------- móvil ---------- */

@media (max-width: 720px) {
  body { font-size: 16px; }

  .grid { padding: 0 20px; gap: 0 16px; }

  .site-head { padding: 20px 0 0; }

  .brand { grid-column: 1 / 13; margin-bottom: 12px; }

  .site-nav {
    grid-column: 1 / 13;
    justify-content: flex-start;
    gap: 6px 18px;
  }

  .hero { padding: 40px 0 0; }

  .hero h1,
  .hero-intro,
  .axis,
  .fig-cap,
  .fig-img,
  .sec-head,
  .sec-body,
  .wide-body,
  .detail-fig,
  .detail-text,
  .dark-head,
  .doc-head,
  .doc-body,
  .page-head h1,
  .page-head .lead,
  .foot-name,
  .foot-mail,
  .foot-rule,
  .foot-links,
  .foot-note {
    grid-column: 1 / 13;
  }

  .axis { height: 72px; margin-top: 24px; }
  .axis .a1 { height: 52px; }
  .axis .a2 { height: 28px; }
  .axis .a3 { height: 66px; }

  .fig-main { padding-bottom: 48px; }
  .fig-cap { padding-top: 0; margin-bottom: 14px; }

  .sec { padding: 48px 0; }

  .sec-head { margin-bottom: 20px; }

  .detail-fig { margin-bottom: 28px; }

  .dark-head { margin-bottom: 28px; }

  .doc { padding: 40px 0 48px; }

  .doc-head { padding-bottom: 14px; }

  .doc-body {
    border-left: none;
    padding-left: 0;
    padding-bottom: 36px;
  }

  .site-foot { padding: 44px 0 40px; }

  .foot-mail { text-align: left; margin-top: 10px; }

  .foot-rule { margin: 22px 0 20px; }

  .foot-note { text-align: left; margin-top: 18px; }
}