/* Sasike — hoja de estilos común */

:root {
  --bg: #f0eef4;
  --bg-alt: #e2dfea;
  --bg-deep: #d3cfde;
  --dark: #241f2e;
  --ink: #1d1a24;
  --muted: #6a6577;
  --on-dark: #f0eef4;
  --accent: #5a4c8c;
  --ochre: #a3762a;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --gap: 24px;
  --maxw: 1240px;
  --pad-x: 52px;
  --pad-y: 88px;
}

* , *::before, *::after { 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: 1.8;
}

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

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

/* ---------- rejilla de 12 columnas ---------- */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
}

.text { grid-column: calc(var(--step, 0) + 1) / span 6; }

.band { padding: var(--pad-y) var(--pad-x); }
.band--alt { background: var(--bg-alt); }
.band--dark { background: var(--dark); color: var(--on-dark); }
.band--dark a { color: var(--on-dark); text-decoration-color: var(--ochre); }
.band--dark .caption { color: #b7b0c4; }

.s0 { --step: 0; }
.s1 { --step: 1; }
.s2 { --step: 2; }
.s3 { --step: 3; }

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

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

h1 {
  font-size: clamp(2.5rem, 6.4vw, 4.9rem);
  line-height: 1.03;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 18ch;
}

h2 {
  font-size: clamp(1.45rem, 2.3vw, 1.95rem);
  line-height: 1.25;
  margin: 0 0 22px;
}

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

p { margin: 0 0 20px; max-width: 68ch; }
p:last-child { margin-bottom: 0; }

.num {
  display: block;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ochre);
  margin-bottom: 14px;
}

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

.caption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  margin: 14px 0 0;
  max-width: 46ch;
}

ul, ol { margin: 0 0 20px; padding-left: 22px; max-width: 62ch; }
li { margin-bottom: 10px; }
li::marker { color: var(--accent); }
.band--dark li::marker { color: var(--ochre); }
ul:last-child, ol:last-child { margin-bottom: 0; }

/* ---------- cabecera: tres capas superpuestas ---------- */

.hero { display: block; }

.hero__nav {
  background: var(--bg-alt);
  padding: 16px var(--pad-x);
}

.navbar {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 28px;
}

.brand {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}
.brand:hover { text-decoration: underline; text-underline-offset: 4px; }

.navbar ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: none;
}
.navbar li { margin: 0; }
.navbar a { font-size: 15px; color: var(--ink); text-decoration: none; padding-bottom: 2px; }
.navbar a:hover { text-decoration: underline; text-underline-offset: 4px; }
.navbar a[aria-current="page"] { border-bottom: 2px solid var(--accent); }

.hero__title {
  background: var(--bg);
  padding: clamp(64px, 11vw, 132px) var(--pad-x) 36px;
}
.hero__title .wrap > * { grid-column: 1 / span 10; }

.hero__base {
  background: var(--bg-deep);
  padding: 52px var(--pad-x) 60px;
}
.hero__base .intro { grid-column: 1 / span 6; }
.hero__base .topics { grid-column: 8 / span 5; }
.topics h2 {
  font-size: 1rem;
  margin: 0 0 12px;
}
.topics ul { list-style: none; padding: 0; margin: 0; }
.topics li {
  font-size: 15px;
  line-height: 1.55;
  padding: 7px 0;
  border-top: 1px solid rgba(90, 76, 140, 0.25);
  margin: 0;
}

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

.figure-main { grid-column: 4 / span 9; margin: 0; }
.figure-main img { width: 100%; }

.band--dark .text { grid-column: calc(var(--step, 0) + 1) / span 6; }
.figure-detail {
  grid-column: 9 / span 4;
  margin: 0;
  align-self: end;
}
.figure-detail img { width: 100%; }

.band--split .wrap { row-gap: 40px; align-items: start; }

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

.page-head {
  background: var(--bg-alt);
  padding: clamp(56px, 8vw, 104px) var(--pad-x) 48px;
}
.page-head .wrap > * { grid-column: 1 / span 9; }
.page-head p { margin-top: 22px; color: var(--muted); }

.legal .text h3:first-of-type { margin-top: 24px; }

dl { margin: 0; max-width: 62ch; }
dt { font-family: var(--serif); margin-top: 24px; }
dd { margin: 6px 0 0; }

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

.footer {
  background: var(--dark);
  color: var(--on-dark);
  padding: 64px var(--pad-x) 56px;
  margin-top: 0;
}
.footer__name {
  font-family: var(--serif);
  font-size: clamp(3.2rem, 15vw, 10rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin: 0 0 56px;
  max-width: none;
}
.footer .wrap { row-gap: 36px; }
.footer__col { grid-column: span 4; }
.footer__col::before {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  background: var(--ochre);
  margin-bottom: 16px;
}
.footer h2 {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  margin: 0 0 12px;
  color: #b7b0c4;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 8px; font-size: 15px; }
.footer a { color: var(--on-dark); text-decoration-color: var(--ochre); text-underline-offset: 4px; }
.footer p { font-size: 15px; color: #cdc7d8; max-width: 34ch; }

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

@media (max-width: 1080px) {
  :root { --pad-x: 36px; --pad-y: 72px; }
  .text { grid-column: calc(var(--step, 0) + 1) / span 9; }
  .figure-main { grid-column: 2 / span 11; }
  .figure-detail { grid-column: 8 / span 5; }
  .hero__base .intro { grid-column: 1 / span 7; }
  .hero__base .topics { grid-column: 9 / span 4; }
  .page-head .wrap > * { grid-column: 1 / span 11; }
}

@media (max-width: 820px) {
  :root { --pad-x: 22px; --pad-y: 56px; }
  body { font-size: 16.5px; }
  .wrap { display: block; }
  .text, .figure-main, .figure-detail,
  .hero__base .intro, .hero__base .topics,
  .hero__title .wrap > *, .page-head .wrap > *,
  .footer__col { width: 100%; }
  .figure-main, .figure-detail { margin: 28px 0 0; }
  .hero__base .topics { margin-top: 36px; }
  .band--split .figure-detail { margin-top: 32px; }
  .footer__col { margin-bottom: 32px; }
  .footer__col:last-child { margin-bottom: 0; }
  .footer__name { margin-bottom: 40px; }
  h1 { max-width: none; }
  p, ul, ol, dl { max-width: none; }
  .navbar { gap: 8px 18px; }
  .navbar ul { gap: 6px 18px; }
}