/* ==========================================================================
   Colombia al Dia — hoja de estilos publica
   Mobile-first, sin framework. Un unico archivo para evitar cascadas de
   peticiones: pesa poco y se cachea un ano (ver .htaccess).
   ========================================================================== */

:root {
  --brand: #0b3d91;
  --brand-dark: #07285f;
  --brand-soft: #e8eefb;
  --accent: #c8102e;
  --ink: #14181f;
  --ink-soft: #4a5262;
  --ink-mute: #6b7280;
  --line: #e3e7ee;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 12px rgba(16, 24, 40, .05);
  --wrap: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #6ea8fe;
    --brand-dark: #a7c7ff;
    --brand-soft: #16233c;
    --accent: #ff6b81;
    --ink: #e7ebf2;
    --ink-soft: #b6bfcf;
    --ink-mute: #8b95a7;
    --line: #232a36;
    --bg: #0f131a;
    --bg-soft: #151b24;
    --shadow: 0 1px 2px rgba(0, 0, 0, .5);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img, picture, video { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.wrap-narrow { max-width: 760px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--brand); color: #fff; padding: 10px 16px;
}
.skip-link:focus { left: 0; }

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

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.header-bar {
  display: flex; align-items: center; gap: 12px;
  min-height: 60px;
}
.brand { display: flex; align-items: center; margin-right: auto; }
.brand-text {
  font-size: 1.1rem; font-weight: 800; color: var(--brand);
  letter-spacing: -.02em; white-space: nowrap;
}
@media (min-width: 420px) { .brand-text { font-size: 1.35rem; } }
.brand img { max-height: 40px; width: auto; }

.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 4px;
  width: 40px; height: 40px; padding: 8px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--bg); cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }

.search-mini { position: relative; display: flex; align-items: center; }
.search-mini input {
  width: 150px; padding: 8px 34px 8px 12px; font-size: .9rem;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--bg-soft); color: var(--ink);
}
.search-mini button {
  position: absolute; right: 4px; width: 28px; height: 28px;
  display: grid; place-items: center; border: 0; border-radius: 50%;
  background: transparent; color: var(--ink-soft); cursor: pointer;
}
.search-suggest {
  position: absolute; top: calc(100% + 6px); right: 0; width: min(360px, 80vw);
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; z-index: 50;
}
.search-suggest a {
  display: block; padding: 10px 12px; border-bottom: 1px solid var(--line);
  color: var(--ink); font-size: .9rem;
}
.search-suggest a:last-child { border-bottom: 0; }
.search-suggest a:hover, .search-suggest a:focus { background: var(--bg-soft); text-decoration: none; }
.search-suggest .sug-cat { display: block; font-size: .72rem; color: var(--ink-mute); text-transform: uppercase; }

.site-nav { border-top: 1px solid var(--line); background: var(--bg); }
.site-nav[hidden] { display: none; }
.nav-inner {
  display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none;
  padding-top: 4px; padding-bottom: 4px;
}
.nav-inner::-webkit-scrollbar { display: none; }
.nav-inner a {
  flex: 0 0 auto; padding: 8px 12px; border-radius: 999px;
  font-size: .9rem; font-weight: 600; color: var(--ink-soft); white-space: nowrap;
}
.nav-inner a:hover { background: var(--bg-soft); text-decoration: none; }
.nav-inner a.is-active { background: var(--brand-soft); color: var(--brand-dark); }

@media (max-width: 767px) {
  .site-nav { position: fixed; inset: 60px 0 auto 0; display: none; border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: block; }
  .nav-inner { flex-direction: column; max-height: 60vh; overflow-y: auto; }
  .nav-inner a { border-radius: 8px; }
}
@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .search-mini input { width: 220px; }
}

/* ---------- Estructura ---------- */
main { display: block; padding: 20px 0 48px; }

.layout { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 1000px) {
  .layout { grid-template-columns: minmax(0, 1fr) 320px; align-items: start; }
  .layout-side { position: sticky; top: 128px; }
}

.section-title {
  font-size: 1.05rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--ink-soft); border-bottom: 2px solid var(--brand);
  padding-bottom: 6px; margin: 28px 0 16px;
}
.section-title a { color: inherit; }

/* ---------- Portada ---------- */
.portada { display: grid; gap: 20px; margin-bottom: 28px; }
@media (min-width: 900px) {
  .portada { grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); }
  .portada-side { display: grid; gap: 14px; align-content: start; }
}

/* ---------- Tarjetas ---------- */
.grid { display: grid; gap: 22px; grid-template-columns: 1fr; }
@media (min-width: 600px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.card { display: flex; flex-direction: column; gap: 10px; }
.card-media {
  display: block; overflow: hidden; border-radius: var(--radius);
  background: var(--bg-soft); aspect-ratio: 16 / 9;
}
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.card:hover .card-media img { transform: scale(1.03); }

.card-cat {
  display: inline-block; font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--accent);
}
.card-title { font-size: 1.05rem; margin: 0; }
.card-title a { color: var(--ink); }
.card-excerpt { font-size: .92rem; color: var(--ink-soft); margin: 0; }
.card-meta {
  display: flex; flex-wrap: wrap; gap: 10px; margin: 0;
  font-size: .78rem; color: var(--ink-mute);
}
.card-meta a { color: var(--ink-mute); }

.card-lead .card-title { font-size: 1.65rem; }
.card-lead .card-excerpt { font-size: 1rem; }
@media (min-width: 900px) { .card-lead .card-title { font-size: 2rem; } }

.card-small { flex-direction: row; gap: 12px; align-items: flex-start; }
.card-small .card-media { flex: 0 0 108px; aspect-ratio: 4 / 3; }
.card-small .card-title { font-size: .95rem; }

.section-block { margin-top: 8px; }
.empty {
  padding: 32px; text-align: center; color: var(--ink-soft);
  background: var(--bg-soft); border-radius: var(--radius);
}

/* ---------- Articulo ---------- */
.breadcrumbs { font-size: .8rem; color: var(--ink-mute); margin: 8px 0 16px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: var(--line); }
.breadcrumbs a { color: var(--ink-mute); }

.article { max-width: 760px; }
.article-cat {
  font-size: .78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--accent);
}
.article-title { font-size: 1.9rem; margin: 8px 0 12px; }
@media (min-width: 768px) { .article-title { font-size: 2.4rem; } }
.article-subtitle { font-size: 1.15rem; color: var(--ink-soft); font-weight: 400; }

.article-meta {
  display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center;
  padding: 12px 0; margin-bottom: 20px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  font-size: .85rem; color: var(--ink-mute);
}
.meta-author { font-weight: 600; color: var(--ink-soft); }
.meta-job { font-weight: 400; color: var(--ink-mute); }
.meta-updated { color: var(--accent); }

.article-figure { margin: 0 0 24px; }
.article-figure img { width: 100%; border-radius: var(--radius); background: var(--bg-soft); }
.article-figure figcaption { font-size: .82rem; color: var(--ink-mute); padding-top: 8px; }
.article-figure .credit { font-style: italic; }

.article-summary {
  background: var(--brand-soft); border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 18px; margin: 0 0 24px;
}
.summary-title {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--brand-dark); margin-bottom: 6px;
}
.article-summary p { margin: 0; font-size: 1.05rem; }

.toc {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 24px; background: var(--bg-soft);
}
.toc-title { font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.toc ol { margin: 0; padding-left: 20px; }
.toc li { margin: 4px 0; font-size: .92rem; }
.toc .toc-l3 { padding-left: 14px; }

.article-body { font-size: 1.06rem; line-height: 1.75; }
.article-body p { margin: 0 0 1.15em; }
.article-body h2 { font-size: 1.45rem; margin: 1.8em 0 .6em; }
.article-body h3 { font-size: 1.2rem; margin: 1.5em 0 .5em; }
.article-body ul, .article-body ol { margin: 0 0 1.2em; padding-left: 22px; }
.article-body li { margin-bottom: .4em; }
.article-body img { border-radius: var(--radius); margin: 1.2em 0; }
.article-body figure { margin: 1.4em 0; }
.article-body figcaption { font-size: .82rem; color: var(--ink-mute); padding-top: 6px; }
.article-body blockquote {
  margin: 1.5em 0; padding: 4px 0 4px 18px;
  border-left: 4px solid var(--accent); font-family: var(--serif); font-size: 1.15rem;
}
.article-body table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: .92rem; display: block; overflow-x: auto; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.article-body th { background: var(--bg-soft); }
.article-body a { text-decoration: underline; text-underline-offset: 2px; }

/* Embebidos diferidos: no cargan el reproductor hasta que el lector lo pide */
.embed {
  position: relative; aspect-ratio: 16 / 9; background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: var(--radius);
  display: grid; place-items: center; margin: 1.4em 0; overflow: hidden;
}
.embed iframe { width: 100%; height: 100%; border: 0; }
.embed-play {
  padding: 10px 18px; border: 1px solid var(--brand); border-radius: 999px;
  background: var(--bg); color: var(--brand); font-weight: 600; cursor: pointer;
}

.faq { margin: 32px 0; }
.faq details {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 16px; margin-bottom: 10px; background: var(--bg-soft);
}
.faq summary { font-weight: 600; cursor: pointer; }
.faq details p { margin: 10px 0 0; color: var(--ink-soft); }

.article-tags { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 24px 0; font-size: .85rem; }
.article-tags span { color: var(--ink-mute); }
.article-tags a {
  padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--ink-soft); background: var(--bg-soft);
}
.article-tags a:hover { border-color: var(--brand); text-decoration: none; }

.author-box {
  display: flex; gap: 16px; padding: 18px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-soft); margin: 28px 0;
}
.author-box-name { font-weight: 700; margin: 0 0 2px; }
.author-box-job { font-size: .85rem; color: var(--ink-mute); margin: 0 0 8px; }
.author-box-bio { font-size: .92rem; color: var(--ink-soft); margin: 0 0 8px; }
.author-box-link { font-size: .85rem; font-weight: 600; }

.article-nav { display: grid; gap: 12px; margin: 28px 0; }
@media (min-width: 700px) { .article-nav { grid-template-columns: 1fr 1fr; } }
.article-nav a {
  padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--ink); font-weight: 600; font-size: .95rem;
}
.article-nav a:hover { border-color: var(--brand); text-decoration: none; }
.article-nav span { display: block; font-size: .75rem; text-transform: uppercase; color: var(--ink-mute); font-weight: 400; }
.article-nav .nav-next { text-align: right; }

/* ---------- Archivos y autores ---------- */
.archive-head { margin: 8px 0 24px; }
.archive-kicker { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin: 0; }
.archive-head h1 { font-size: 1.9rem; margin: 4px 0 8px; }
.archive-intro { color: var(--ink-soft); max-width: 70ch; }
.archive-count { font-size: .85rem; color: var(--ink-mute); }

.author-head { display: flex; gap: 18px; align-items: flex-start; margin: 8px 0 28px; flex-wrap: wrap; }
.author-avatar { border-radius: 50%; width: 96px; height: 96px; object-fit: cover; }
.author-job { font-size: .9rem; color: var(--ink-mute); margin: 0 0 8px; }
.author-bio { max-width: 65ch; color: var(--ink-soft); }
.author-stats { font-size: .85rem; color: var(--ink-mute); }
.author-social, .footer-social { display: flex; gap: 12px; list-style: none; padding: 0; margin: 8px 0 0; font-size: .85rem; }

.authors-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .authors-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .authors-grid { grid-template-columns: repeat(3, 1fr); } }
.author-card {
  padding: 18px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-soft);
}
.author-card img { border-radius: 50%; width: 72px; height: 72px; object-fit: cover; margin-bottom: 10px; }
.author-card h2 { font-size: 1.05rem; margin-bottom: 2px; }

/* ---------- Widgets ---------- */
.widget { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 20px; }
.widget-title { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin-bottom: 12px; }
.ranking { list-style: none; counter-reset: r; margin: 0; padding: 0; }
.ranking li { counter-increment: r; display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.ranking li:last-child { border-bottom: 0; }
.ranking li::before { content: counter(r); font-weight: 800; color: var(--brand); font-size: 1.1rem; }
.ranking a { color: var(--ink); font-size: .92rem; font-weight: 600; }
.ranking-meta { display: block; font-size: .75rem; color: var(--ink-mute); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
  padding: 4px 10px; font-size: .82rem; border-radius: 999px;
  background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-soft);
}

/* ---------- Paginacion ---------- */
.pagination { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; justify-content: center; margin: 32px 0; }
.pagination a, .pagination .page-current {
  min-width: 40px; padding: 8px 12px; text-align: center;
  border: 1px solid var(--line); border-radius: 8px; font-size: .9rem; font-weight: 600;
}
.pagination a { color: var(--ink-soft); }
.pagination a:hover { border-color: var(--brand); text-decoration: none; }
.pagination .page-current { background: var(--brand); border-color: var(--brand); color: #fff; }
.page-gap { color: var(--ink-mute); }

/* ---------- Formularios ---------- */
.search-big { display: flex; gap: 8px; margin: 16px 0; }
.search-big input {
  flex: 1; padding: 12px 16px; font-size: 1rem;
  border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink);
}
.btn, .search-big button, .contact-form button {
  display: inline-block; padding: 12px 20px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg-soft); color: var(--ink);
  font-weight: 600; font-size: .95rem; cursor: pointer;
}
.btn-primary, .search-big button { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn:hover { text-decoration: none; }

.contact-form { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 10px 12px; font-size: 1rem; font-family: inherit;
  border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink);
}
.field-hp { position: absolute; left: -9999px; }
.alert { padding: 12px 16px; border-radius: 8px; font-size: .92rem; }
.alert-ok { background: #e7f6ec; color: #14532d; }
.alert-error { background: #fdecec; color: #7f1d1d; }

/* ---------- Publicidad ---------- */
.ad-slot {
  display: block; margin: 24px auto; text-align: center;
  min-height: 100px; /* reserva de espacio: evita saltos de diseno (CLS) */
  overflow: hidden;
}
.ad-label {
  display: block; font-size: .65rem; text-transform: uppercase;
  letter-spacing: .1em; color: var(--ink-mute); margin-bottom: 4px;
}
.ad-sidebar { min-height: 250px; }
.ad-in_content { margin: 32px auto; }

/* ---------- Errores ---------- */
.error-page { text-align: center; padding: 48px 0; }
.error-code { font-size: 3.5rem; font-weight: 800; color: var(--brand); margin: 0; line-height: 1; }
.error-message { color: var(--ink-soft); max-width: 55ch; margin: 0 auto 24px; }

/* ---------- Pie ---------- */
.site-footer { background: var(--bg-soft); border-top: 1px solid var(--line); padding: 40px 0 24px; margin-top: 48px; }
.footer-grid { display: grid; gap: 28px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-title { font-weight: 700; margin-bottom: 10px; }
.footer-tagline { color: var(--accent); font-size: .9rem; margin-bottom: 6px; }
.footer-desc { color: var(--ink-soft); font-size: .9rem; max-width: 50ch; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--ink-soft); font-size: .9rem; }
.footer-legal {
  display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between;
  margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: .82rem; color: var(--ink-mute);
}
.footer-legal p { margin: 0; }