/* =====================================================================
   Notas del Acueducto — Hoja de estilos editorial
   Proyecto académico personal — Kevin Stiven Lopez Correa
   Estética tipográfica: serif Lora, paleta cálida neutra
   ===================================================================== */

:root {
  /* ---- Paleta cálida editorial ---- */
  --paper: #FFFEF9;
  --paper-tint: #FAF8F0;
  --ink: #1B1610;
  --ink-soft: #3F362C;
  --ink-faint: #6B6253;
  --rule: #E6E1D6;
  --rule-soft: #F0EDE4;
  --accent: #5A4E3F;
  --accent-deep: #3D352B;
  --highlight: #B8854A;

  --type-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --type-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --max-prose: 680px;
  --max-wide: 980px;
  --gap-x: clamp(1.25rem, 4vw, 2rem);
}

/* =====================================================================
   Reset y base
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--type-serif);
  font-size: 18px;
  line-height: 1.75;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color .2s ease;
}
a:hover { color: var(--ink); text-decoration-color: var(--ink); }

button { font: inherit; background: none; border: none; cursor: pointer; }

/* =====================================================================
   Contenedor
   ===================================================================== */
.wrap {
  margin: 0 auto;
  max-width: var(--max-wide);
  padding: 0 var(--gap-x);
}
.wrap-prose {
  margin: 0 auto;
  max-width: var(--max-prose);
  padding: 0 var(--gap-x);
}

/* =====================================================================
   Cinta superior — Aviso
   ===================================================================== */
.notice {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--type-sans);
  font-size: .8rem;
  letter-spacing: .02em;
  padding: .55rem 0;
  text-align: center;
}
.notice strong { color: var(--highlight); font-weight: 600; }

/* =====================================================================
   Cabecera del blog
   ===================================================================== */
.masthead {
  border-bottom: 1px solid var(--rule);
  padding: 1.75rem 0 1.5rem;
}
.masthead .row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.brand-mark {
  display: inline-block;
  font-family: var(--type-serif);
  font-style: italic;
  font-size: 1.65rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -.005em;
}
.brand-mark:hover { color: var(--accent); text-decoration: none; }
.brand-mark .ampersand {
  color: var(--highlight);
  font-weight: 400;
}
.masthead nav {
  display: flex;
  gap: 1.5rem;
  font-family: var(--type-sans);
  font-size: .85rem;
}
.masthead nav a {
  color: var(--ink-soft);
  text-decoration: none;
  letter-spacing: .02em;
}
.masthead nav a:hover { color: var(--ink); text-decoration: underline; }

@media (max-width: 600px) {
  .masthead .row { flex-direction: column; gap: 1rem; align-items: flex-start; }
  .masthead nav { flex-wrap: wrap; gap: 1rem; }
}

/* =====================================================================
   Intro de la portada del blog
   ===================================================================== */
.intro {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--rule);
}
.intro .kicker {
  font-family: var(--type-sans);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--highlight);
  margin-bottom: .85rem;
}
.intro h1 {
  font-family: var(--type-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -.015em;
  margin: 0 0 1rem;
  color: var(--ink);
}
.intro p {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 0 1.5rem;
  line-height: 1.7;
}
.byline {
  font-family: var(--type-sans);
  font-size: .85rem;
  color: var(--ink-faint);
  letter-spacing: .02em;
}
.byline strong {
  color: var(--ink-soft);
  font-weight: 600;
}

/* =====================================================================
   Lista de artículos en la portada
   ===================================================================== */
.feed {
  padding: 2.5rem 0 4rem;
}
.feed-heading {
  font-family: var(--type-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 2rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--rule);
}

.post {
  border-bottom: 1px solid var(--rule);
  padding: 2rem 0;
}
.post:first-of-type { padding-top: 0; }
.post:last-of-type { border-bottom: none; }

.post-meta {
  font-family: var(--type-sans);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ink-faint);
  margin-bottom: .6rem;
}
.post-meta time { color: var(--accent); }
.post-meta .dot { margin: 0 .5rem; opacity: .5; }

.post h2 {
  font-family: var(--type-serif);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -.012em;
  margin: 0 0 .75rem;
}
.post h2 a {
  color: var(--ink);
  text-decoration: none;
}
.post h2 a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.post-excerpt {
  font-family: var(--type-serif);
  font-size: 1.02rem;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  line-height: 1.65;
}

.post-link {
  display: inline-block;
  font-family: var(--type-sans);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--accent);
  text-transform: uppercase;
  text-decoration: none;
}
.post-link::after {
  content: ' →';
  transition: transform .2s ease, margin .2s ease;
  display: inline-block;
}
.post-link:hover { color: var(--ink); }
.post-link:hover::after { transform: translateX(2px); }

/* =====================================================================
   Página de artículo individual
   ===================================================================== */
.article {
  padding: 3.5rem 0 4rem;
}

.article-head {
  margin-bottom: 2.5rem;
}
.article-meta {
  font-family: var(--type-sans);
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}
.article-meta time { color: var(--accent); }
.article-meta .dot { margin: 0 .5rem; opacity: .5; }

.article h1 {
  font-family: var(--type-serif);
  font-size: clamp(1.85rem, 4vw, 2.65rem);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -.018em;
  margin: 0 0 1.25rem;
  color: var(--ink);
}

.article-lead {
  font-family: var(--type-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--ink-soft);
  line-height: 1.65;
  margin: 0 0 2rem;
  padding-left: 1.25rem;
  border-left: 3px solid var(--highlight);
}

.article-body p {
  font-size: 1.08rem;
  line-height: 1.85;
  margin: 0 0 1.4rem;
  color: var(--ink);
}

.article-body h2 {
  font-family: var(--type-serif);
  font-size: 1.55rem;
  font-weight: 600;
  margin: 2.5rem 0 1rem;
  color: var(--ink);
  letter-spacing: -.01em;
}

.article-body h3 {
  font-family: var(--type-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 .8rem;
  color: var(--ink);
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.5rem;
  padding-left: 1.4rem;
}
.article-body li {
  margin-bottom: .65rem;
  line-height: 1.75;
}

.article-body strong {
  font-weight: 600;
  color: var(--ink);
}

.article-body em {
  font-style: italic;
}

.article-body blockquote {
  margin: 2rem 0;
  padding: 1rem 0 1rem 1.5rem;
  border-left: 3px solid var(--rule);
  font-style: italic;
  color: var(--ink-soft);
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.5rem auto;
  max-width: 100px;
}

.article-end {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  text-align: center;
  font-family: var(--type-sans);
  font-size: .85rem;
  color: var(--ink-faint);
}
.article-end strong { color: var(--ink-soft); font-weight: 600; }

.back-to-index {
  display: inline-block;
  margin-top: 1.25rem;
  font-family: var(--type-sans);
  font-size: .82rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: .03em;
}
.back-to-index::before { content: '← '; }
.back-to-index:hover { color: var(--ink); text-decoration: underline; }

/* =====================================================================
   Páginas legales — Estilo simple editorial
   ===================================================================== */
.legal-page {
  padding: 3rem 0 4rem;
}

.legal-page h1 {
  font-family: var(--type-serif);
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -.015em;
  margin: 0 0 .75rem;
  color: var(--ink);
}

.legal-meta {
  font-family: var(--type-sans);
  font-size: .8rem;
  color: var(--ink-faint);
  letter-spacing: .04em;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}

.legal-page h2 {
  font-family: var(--type-serif);
  font-size: 1.3rem;
  font-weight: 600;
  margin: 2.25rem 0 .9rem;
  color: var(--ink);
}

.legal-page p {
  font-size: 1rem;
  line-height: 1.75;
  margin: 0 0 1.1rem;
  color: var(--ink);
}

.legal-page ul {
  margin: 0 0 1.25rem;
  padding-left: 1.4rem;
}
.legal-page li {
  margin-bottom: .55rem;
  line-height: 1.7;
}

.legal-page strong {
  font-weight: 600;
  color: var(--ink);
}

.legal-page hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2rem 0;
}

.factbox {
  background: var(--paper-tint);
  border-left: 3px solid var(--highlight);
  padding: 1.2rem 1.4rem;
  margin: 1.5rem 0;
  font-size: .95rem;
}
.factbox-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1rem;
  padding: .4rem 0;
  border-bottom: 1px dotted var(--rule);
}
.factbox-row:last-child { border-bottom: none; }
.factbox-row .label {
  font-family: var(--type-sans);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.factbox-row .value {
  color: var(--ink);
  font-weight: 500;
}
@media (max-width: 520px) {
  .factbox-row { grid-template-columns: 1fr; }
}

/* =====================================================================
   Pie del blog
   ===================================================================== */
.colophon {
  border-top: 1px solid var(--rule);
  background: var(--paper-tint);
  padding: 2.5rem 0 1.75rem;
  margin-top: 2rem;
}
.colophon .row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  font-family: var(--type-sans);
  font-size: .85rem;
  color: var(--ink-soft);
}
@media (max-width: 700px) {
  .colophon .row { grid-template-columns: 1fr; gap: 1.5rem; }
}

.colophon h4 {
  font-family: var(--type-sans);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 .75rem;
}
.colophon ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.colophon li { margin-bottom: .4rem; }
.colophon a {
  color: var(--ink-soft);
  text-decoration: none;
}
.colophon a:hover { color: var(--ink); text-decoration: underline; }
.colophon p { margin: 0 0 .55rem; line-height: 1.6; }

.colophon-foot {
  border-top: 1px solid var(--rule);
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  font-family: var(--type-sans);
  font-size: .78rem;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}