/* Pluveste — hoja de estilo común
   Paleta y retícula del proyecto editorial sobre lutería */

:root {
  --bg: #f4f5f7;
  --bg-alt: #ffffff;
  --bg-dark: #23262b;
  --ink: #16181d;
  --ink-soft: #656b75;
  --ink-inv: #f4f5f7;
  --accent: #2d5bd6;
  --accent-2: #c9a00f;
  --rule: #d7dae0;
  --rule-dark: #3a3f47;
  --mono: ui-monospace, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --gap: 24px;
  --pad: 32px;
  --max: 1240px;
}

* { 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: 1.75;
  overflow-x: hidden;
}

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

/* ---------- retícula de 12 columnas ---------- */

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

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

h1, h2, h3, .label, .nav a, .kicker, .num {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
}

h1 {
  font-size: clamp(26px, 3.5vw, 43px);
  line-height: 1.22;
  letter-spacing: 0.02em;
  margin: 0;
}

h2 {
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.4;
  letter-spacing: 0.1em;
  margin: 0 0 18px;
}

h3 {
  font-size: 14px;
  letter-spacing: 0.14em;
  margin: 34px 0 12px;
  color: var(--ink);
}

p { margin: 0 0 20px; }
p:last-child { margin-bottom: 0; }

.lead { font-size: 19px; }

.label, .kicker {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ink-soft);
  font-weight: 600;
}

.num {
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--accent-2);
  display: block;
  margin-bottom: 10px;
}

.caption {
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.09em;
  color: var(--ink-soft);
  text-transform: none;
}

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

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

.head-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px 40px;
}

.brand {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--accent); }

.nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  margin: 0;
  padding: 0;
}

.nav a {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  text-decoration: none;
}
.nav a:hover { color: var(--accent); }
.nav a[aria-current="page"] { color: var(--ink); }

.head-rule {
  height: 1px;
  background: var(--accent);
  margin-top: 20px;
  width: calc((100% - 11 * var(--gap)) / 12 * 5 + 4 * var(--gap));
}

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

.hero { padding: 62px 0 0; }

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

.h-line-1 { display: block; padding-left: 28.5%; }
.h-line-2 { display: block; }

.hero-topics {
  grid-column: 10 / 13;
  align-self: end;
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.hero-topics li {
  border-bottom: 1px solid var(--rule);
  padding: 9px 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero-intro { grid-column: 1 / 7; margin-top: 40px; }

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

.figure-main { margin: 52px 0 0; align-items: end; }

.figure-main .fig-frame {
  grid-column: 8 / 13;
  border: 1px solid var(--accent-2);
  padding: 8px;
}

.figure-main .fig-cap {
  grid-column: 2 / 6;
  padding-bottom: 4px;
}

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

.band { padding: 64px 0; }
.band + .band { border-top: 1px solid var(--rule); }
.band-alt { background: var(--bg-alt); }

.block { grid-column: 1 / 7; }
.band-shift .block { grid-column: 4 / 10; }

.rule {
  height: 1px;
  background: var(--accent);
  border: 0;
  margin: 0 0 22px;
  width: calc((100% - 5 * var(--gap)) / 6 * 2 + var(--gap));
}

.rule-thin {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 30px 0;
}

/* listas */

.list {
  list-style: none;
  margin: 4px 0 20px;
  padding: 0;
}

.list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 11px;
}

.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 10px;
  height: 1px;
  background: var(--accent);
}

.list-num {
  margin: 4px 0 20px;
  padding-left: 20px;
}
.list-num li { margin-bottom: 11px; padding-left: 4px; }
.list-num li::marker {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-2);
  letter-spacing: 0.1em;
}

.defs { margin: 4px 0 0; }
.defs dt {
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--ink);
  margin-top: 22px;
}
.defs dd { margin: 6px 0 0; }

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

.band-dark {
  background: var(--bg-dark);
  color: var(--ink-inv);
  padding: 72px 0;
  border-top: 0;
}
.band-dark h2 { color: var(--ink-inv); }
.band-dark h3 { color: var(--ink-inv); }
.band-dark .caption { color: #a7adb8; }
.band-dark .label { color: #a7adb8; }
.band-dark .rule { background: var(--accent-2); }
.band-dark .list li::before { background: var(--accent-2); }
.band-dark a { color: #9db6f5; }

.dark-grid { row-gap: 34px; align-items: start; }
.dark-figure { grid-column: 1 / 6; }
.dark-figure .caption { margin-top: 12px; }
.dark-text { grid-column: 7 / 13; }

/* ---------- página About ---------- */

.page-head { padding: 56px 0 8px; }
.page-head .block { grid-column: 1 / 8; }

.doc { padding: 40px 0 72px; }
.doc .col { grid-column: 1 / 7; }
.doc section { margin-top: 56px; }
.doc section:first-of-type { margin-top: 34px; }

.doc h2 {
  position: relative;
  padding-left: 38px;
}
.doc h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

/* ---------- contacto ---------- */

.contact-line {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  margin-top: 6px;
}

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

.site-foot {
  background: var(--bg);
  padding: 0 0 56px;
}

.foot-rule {
  height: 1px;
  background: var(--accent);
  width: calc((100% - 11 * var(--gap)) / 12 * 5 + 4 * var(--gap));
  margin-bottom: 32px;
}

.foot-grid { row-gap: 30px; }
.foot-a { grid-column: 1 / 6; }
.foot-b { grid-column: 6 / 9; }
.foot-c { grid-column: 9 / 13; }

.foot-a .brand { font-size: 14px; }
.foot-a p { margin: 14px 0 0; font-size: 14px; color: var(--ink-soft); line-height: 1.7; }

.foot-b ul { list-style: none; margin: 0; padding: 0; }
.foot-b li { margin-bottom: 9px; }
.foot-b a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
}
.foot-b a:hover { color: var(--accent); }

.foot-c p { margin: 12px 0 0; font-size: 14px; color: var(--ink-soft); line-height: 1.7; }

/* ---------- responsive ---------- */

@media (max-width: 1000px) {
  .hero .h-title { grid-column: 1 / 10; }
  .hero-topics { grid-column: 1 / 8; margin-top: 34px; }
  .hero-intro { grid-column: 1 / 10; }
  .figure-main .fig-frame { grid-column: 6 / 13; }
  .figure-main .fig-cap { grid-column: 1 / 6; }
  .block, .band-shift .block, .doc .col, .page-head .block { grid-column: 1 / 10; }
  .dark-figure { grid-column: 1 / 7; }
  .dark-text { grid-column: 7 / 13; }
  .foot-a { grid-column: 1 / 7; }
  .foot-b { grid-column: 7 / 10; }
  .foot-c { grid-column: 10 / 13; }
}

@media (max-width: 720px) {
  :root { --pad: 20px; --gap: 16px; }

  body { font-size: 16px; }

  .head-inner { display: block; }
  .nav ul { margin-top: 14px; gap: 8px 22px; }
  .head-rule, .foot-rule { width: 100%; }

  .hero { padding-top: 40px; }
  .h-line-1 { padding-left: 0; }

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

  .hero-topics { margin-top: 28px; }
  .figure-main { margin-top: 36px; }
  .figure-main .fig-cap { margin-top: 12px; padding-bottom: 0; }

  .band { padding: 40px 0; }
  .band-dark { padding: 44px 0; }
  .doc { padding: 28px 0 48px; }
  .doc section { margin-top: 40px; }

  .rule { width: 96px; }
  .doc h2 { padding-left: 32px; }

  .foot-grid { row-gap: 26px; }
}