/* Kevikato — hoja de estilo común */

:root {
  --bg: #e9eeeb;
  --bg-alt: #d9e1dd;
  --bg-dark: #1e2a26;
  --text: #171f1c;
  --muted: #63706b;
  --on-dark: #e9eeeb;
  --accent: #8f4a28;
  --accent-2: #3d6f66;
  --shift: 0px;
  --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(--text);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.9;
  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; }

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

/* ---------- Rejilla ---------- */

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
}

.band { background: var(--bg-alt); }
.band--dark { background: var(--bg-dark); color: var(--on-dark); }

section { padding: 64px 0; }
section.has-image { padding: 112px 0; }

/* ---------- Cabecera ---------- */

.site-header {
  border-bottom: 1px solid rgba(23, 31, 28, 0.14);
  padding: 22px 0;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 32px;
}

.brand {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-left: auto;
  font-size: 16px;
  line-height: 1.5;
}

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

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

/* ---------- Portada ---------- */

.hero { padding: 96px 0 40px; }

.hero__title {
  grid-column: 1 / 8;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.6vw, 3.1rem);
  line-height: 1.3;
  margin: 0;
  letter-spacing: -0.01em;
}

.hero__bar {
  grid-column: 9 / 10;
  background: var(--accent-2);
  width: 14px;
  height: 2.6em;
  margin-top: 0.5em;
  font-size: clamp(2rem, 4.6vw, 3.1rem);
}

.hero__intro {
  grid-column: 1 / 6;
  margin: 48px 0 0;
  color: var(--muted);
  font-size: 19px;
}

/* ---------- Bloques de texto ---------- */

.block { grid-column: 1 / 8; }
.block--narrow { grid-column: 1 / 7; }
.block--short { grid-column: 1 / 6; }
.block--right { grid-column: 6 / 13; }
.block--offset { grid-column: 3 / 10; }

h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.3;
  margin: 0 0 24px;
}

h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.2rem;
  line-height: 1.4;
  margin: 40px 0 12px;
}

p { margin: 0 0 28px; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
}

.num { color: var(--accent-2); margin-right: 10px; }

.lede { font-size: 19px; }

/* ---------- Listas ---------- */

ul.list, ol.steps { margin: 0 0 28px; padding: 0; }

ul.list { list-style: none; }

ul.list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 14px;
}

ul.list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 12px;
  height: 3px;
  background: var(--accent);
}

ol.steps { padding-left: 26px; }
ol.steps li { margin-bottom: 14px; }
ol.steps li::marker { color: var(--accent-2); }

.band--dark ul.list li::before { background: var(--on-dark); }

/* ---------- Separadores ---------- */

.rule { height: 3px; border: 0; margin: 0; }
.rule--a { grid-column: 1 / 3; background: var(--accent); }
.rule--b { grid-column: 4 / 9; background: var(--accent-2); }
.rule--c { grid-column: 2 / 6; background: var(--accent); }
.rule--d { grid-column: 8 / 13; background: var(--accent-2); }
.rule--e { grid-column: 1 / 5; background: var(--accent); }

.spacer-32 { grid-column: 1 / -1; height: 32px; }
.spacer-64 { grid-column: 1 / -1; height: 64px; }

/* ---------- Imágenes ---------- */

.figure-main {
  grid-column: 1 / 9;
  margin: 0 0 0 calc(-1 * var(--shift));
}

.figure-main img { width: 100%; }

figcaption {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 14px;
}

.figure-main figcaption { text-align: right; }

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

.band--dark figcaption { color: rgba(233, 238, 235, 0.7); }

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

.band--dark h2 { color: var(--on-dark); }
.band--dark .eyebrow { color: rgba(233, 238, 235, 0.72); }
.band--dark .num { color: rgba(233, 238, 235, 0.9); }

/* ---------- Página "Sobre el proyecto" ---------- */

.about-row { align-items: start; row-gap: 0; }
.about-mark {
  grid-column: 1 / 2;
  height: 8px;
  background: var(--accent);
  margin-top: 16px;
}
.about-mark--alt { background: var(--accent-2); }
.about-body { grid-column: 3 / 9; padding-bottom: 48px; }

/* ---------- Contacto ---------- */

.contact-box { grid-column: 1 / 7; }
.contact-box p { margin-bottom: 16px; }

.mail {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
}

/* ---------- Pie ---------- */

.site-footer {
  background: var(--bg-alt);
  padding: 56px 0 64px;
  margin-top: 0;
}

.footer-bar {
  grid-column: 1 / 5;
  height: 6px;
  background: var(--accent);
  margin-bottom: 40px;
}

.footer-name {
  grid-column: 1 / 7;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.3;
  margin: 0 0 20px;
}

.footer-nav {
  grid-column: 1 / 8;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-nav a { color: var(--text); text-decoration: none; border-bottom: 1px solid rgba(143, 74, 40, 0.5); }
.footer-nav a:hover { border-bottom-color: var(--accent); }

.footer-mail {
  grid-column: 9 / 13;
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
}

.footer-mail a { display: inline-block; }

.footer-note {
  grid-column: 1 / 9;
  margin: 40px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Adaptación ---------- */

@media (min-width: 1000px) { :root { --shift: 40px; } }
@media (min-width: 1400px) { :root { --shift: 72px; } }

@media (max-width: 900px) {
  body { font-size: 17px; line-height: 1.85; }
  .wrap { column-gap: 16px; padding: 0 20px; }

  section { padding: 40px 0; }
  section.has-image { padding: 64px 0; }
  .hero { padding: 56px 0 24px; }

  .hero__title,
  .hero__intro,
  .block,
  .block--narrow,
  .block--short,
  .block--right,
  .block--offset,
  .figure-main,
  .figure-detail,
  .detail-text,
  .about-body,
  .contact-box,
  .footer-name,
  .footer-nav,
  .footer-mail,
  .footer-note,
  .footer-bar { grid-column: 1 / -1; }

  .hero__bar { display: none; }
  .hero__intro { margin-top: 32px; }
  .figure-main { margin-left: 0; }
  .figure-main figcaption { text-align: left; }
  .figure-detail { margin-bottom: 32px; }

  .about-mark { grid-column: 1 / -1; width: 64px; margin: 0 0 20px; }
  .about-body { padding-bottom: 32px; }

  .rule--a, .rule--b, .rule--c, .rule--d, .rule--e { grid-column: 1 / 6; }

  .spacer-64 { height: 40px; }
  .spacer-32 { height: 20px; }

  .footer-mail { margin-top: 28px; }
  .site-header .wrap { gap: 10px 20px; }
  .nav { margin-left: 0; width: 100%; }
}