/* Pluvibra — hoja de estilo común */

:root {
  --bg: #f2ebe0;
  --bg-alt: #e7d9c6;
  --bg-dark: #4a2c1e;
  --ink: #241a14;
  --ink-soft: #6e5b4c;
  --ink-inv: #f2ebe0;
  --accent: #c05a2b;
  --accent-2: #6b7a5a;
  --line: #cbb9a3;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --gap: 72px;
}

* { 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;
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ---------- tejido: rejilla de celdas con hilos visibles ---------- */

.cells {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cells > * {
  background: var(--bg);
  padding: 22px 24px;
  min-width: 0;
}

.band-alt { background: var(--bg-alt); }
.band-alt .cells > * { background: var(--bg-alt); }

.band-dark {
  background: var(--bg-dark);
  color: var(--ink-inv);
  --line: #6f4a35;
  --ink-soft: #d5bda9;
}
.band-dark .cells > * { background: var(--bg-dark); }
.band-dark h2,
.band-dark h3 { color: var(--ink-inv); }
.band-dark a { color: #e6a276; }

.c3 { grid-column: span 3; }
.c4 { grid-column: span 4; }
.c5 { grid-column: span 5; }
.c6 { grid-column: span 6; }
.c7 { grid-column: span 7; }
.c8 { grid-column: span 8; }
.c9 { grid-column: span 9; }
.c12 { grid-column: span 12; }

.pause { min-height: 64px; }

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: normal;
  color: var(--ink);
  letter-spacing: 0;
}

h1 {
  font-size: clamp(30px, 5.1vw, 50px);
  line-height: 1.16;
  margin: 26px 0;
}

h2 {
  font-size: clamp(23px, 3vw, 30px);
  line-height: 1.26;
  margin: 0 0 18px;
}

h3 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.35;
  margin: 26px 0 10px;
}

p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }

.lede { font-size: 18px; }

.label {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin: 0 0 12px;
  display: block;
}

.num {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent-2);
  display: block;
  margin-bottom: 10px;
}

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

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;
}

/* ---------- hilos separadores ---------- */

.thread {
  border: 0;
  height: 0;
  border-top: 2px solid var(--accent);
  margin: 0;
  position: relative;
}
.thread::after {
  content: "";
  display: block;
  border-top: 1px solid var(--accent-2);
  margin-top: 6px;
}

.thread-thin {
  border: 0;
  height: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

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

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

.head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 26px;
  padding-bottom: 14px;
}

.brand {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.brand span {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  margin: 0;
  padding: 0;
}
.site-nav a {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--ink);
  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); }

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

.hero { padding-bottom: 0; }

.hero-title {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero-title h1 {
  max-width: 75%;
}

.hero-cells { margin-top: 34px; }

section { padding: var(--gap) 0; }
.band-dark { padding: var(--gap) 0; }

.section-head { margin-bottom: 26px; }

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

.checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}
.checks li {
  background: var(--bg);
  padding: 15px 18px 15px 40px;
  position: relative;
  font-size: 16px;
  line-height: 1.6;
}
.band-alt .checks li { background: var(--bg-alt); }
.band-dark .checks li { background: var(--bg-dark); }
.checks li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 24px;
  width: 8px;
  height: 8px;
  background: var(--accent);
}

ul.plain {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}
ul.plain li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  font-size: 16px;
}
ul.plain li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--accent-2);
}

ol.steps {
  margin: 18px 0 0;
  padding-left: 22px;
}
ol.steps li { margin-bottom: 10px; }

/* ---------- imágenes ---------- */

figure { margin: 0; }

.fig-cell img,
figure img {
  display: block;
  width: 100%;
  height: auto;
}

.fig-cell { padding: 0 !important; }

.fig-side {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

/* ---------- sobre el proyecto ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 3fr 8fr;
  gap: 0;
}
.about-grid > .about-side {
  padding-right: 28px;
  border-right: 1px solid var(--line);
}
.about-grid > .about-main { padding-left: 32px; }

.side-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.side-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 1.5;
}
.side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  background: var(--accent-2);
}

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

.site-foot { padding: 0 0 60px; }

.foot-cells {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 34px;
}
.foot-cells > * {
  background: var(--bg);
  padding: 22px 22px 26px;
  min-width: 0;
}
.foot-cells h2 {
  font-size: 12px;
  font-family: var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin: 0 0 12px;
}
.foot-cells ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.foot-cells li { margin-bottom: 7px; }
.foot-cells a { font-size: 15px; }
.foot-name {
  font-family: var(--serif);
  font-size: 22px;
  display: block;
  margin-bottom: 6px;
}
.foot-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- páginas de texto ---------- */

.page-head {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 6px;
}
.prose { max-width: 62ch; }
.prose h2 { margin-top: 40px; }
.prose h2:first-of-type { margin-top: 0; }

.doc-grid {
  display: grid;
  grid-template-columns: 3fr 9fr;
  gap: 0;
}
.doc-grid > .doc-side {
  padding-right: 26px;
  border-right: 1px solid var(--line);
}
.doc-grid > .doc-main { padding-left: 30px; }

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

@media (max-width: 900px) {
  :root { --gap: 44px; }
  body { font-size: 16.5px; }
  .cells { grid-template-columns: 1fr; }
  .c3, .c4, .c5, .c6, .c7, .c8, .c9, .c12 { grid-column: span 1; }
  .pause { display: none; }
  .hero-title h1 { max-width: 100%; }
  .checks { grid-template-columns: 1fr; }
  .about-grid,
  .doc-grid { grid-template-columns: 1fr; }
  .about-grid > .about-side,
  .doc-grid > .doc-side {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 20px;
    margin-bottom: 24px;
  }
  .about-grid > .about-main,
  .doc-grid > .doc-main { padding-left: 0; }
  .foot-cells { grid-template-columns: 1fr; }
  .fig-side { justify-content: flex-start; }
}

@media (max-width: 560px) {
  .head-row { flex-direction: column; align-items: flex-start; }
  .site-nav ul { gap: 4px 16px; }
  .cells > * { padding: 18px; }
}