/* ============================================================
   NOTICIASVIRALES.COM.AR — style.css
   Base, variables de marca, tipografía, utilidades
   ============================================================ */

:root {
  /* Paleta: blanco / negro-grisáceo / gris claro + 1 acento */
  --color-bg: #ffffff;
  --color-ink: #17181c;         /* negro / gris muy oscuro */
  --color-ink-soft: #3a3c42;
  --color-gray-light: #f2f3f5;
  --color-gray-border: #e3e5e9;
  --color-gray-muted: #6b6e76;

  --color-accent: #e11d2e;      /* color de marca NoticiasVirales */
  --color-accent-dark: #b3121f;
  --color-breaking: #c81324;
  --color-trending: #d97a12;

  --font-heading: Georgia, "Times New Roman", Times, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --container-width: 1180px;
  --radius-sm: 3px;
  --shadow-card: 0 1px 3px rgba(23, 24, 28, 0.08);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; margin: 0 0 .4em; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 16px;
}

.visually-hidden {
  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: -999px; top: 0; background: var(--color-ink); color: #fff;
  padding: 10px 16px; z-index: 999; border-radius: 0 0 4px 0;
}
.skip-link:focus { left: 0; }

.section-title {
  font-size: 1.35rem;
  border-bottom: 3px solid var(--color-ink);
  padding-bottom: 8px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* -------------------- Categorías (color de acento por etiqueta) -------------------- */
.card-category {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}
.card-category:hover { text-decoration: underline; }

/* -------------------- Badges (breaking / trending / featured) -------------------- */
.badge {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-transform: uppercase;
}
.badge--breaking { background: var(--color-breaking); }
.badge--trending { background: var(--color-trending); }
.badge--featured { background: var(--color-ink); }

/* -------------------- Cards genéricas -------------------- */
.card { position: relative; }
.card-img-link { position: relative; display: block; overflow: hidden; background: var(--color-gray-light); }
.card-img-link img { width: 100%; height: 100%; object-fit: cover; }
.card-title a { color: var(--color-ink); }
.card-title a:hover { text-decoration: underline; }
.card-excerpt { color: var(--color-ink-soft); font-size: 0.95rem; margin: 4px 0; }
.card-excerpt--sm { font-size: 0.88rem; }
.card-date { color: var(--color-gray-muted); font-size: 0.78rem; }

/* -------------------- Ad slots -------------------- */
.ad-slot {
  background: var(--color-gray-light);
  border: 1px dashed var(--color-gray-border);
  color: var(--color-gray-muted);
  text-align: center;
  padding: 18px 10px;
  margin: 20px 0;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}
.ad-slot span { display: block; }
.ad-slot-note { font-size: 0.65rem; margin-top: 4px; opacity: .7; text-transform: none; letter-spacing: 0; }
.ad-slot--leaderboard { min-height: 90px; }
.ad-slot--sidebar { min-height: 250px; }
.ad-slot--inline { min-height: 100px; }

/* -------------------- Breadcrumb -------------------- */
.breadcrumb {
  background: var(--color-gray-light);
  border-bottom: 1px solid var(--color-gray-border);
  font-size: 0.8rem;
  padding: 8px 0;
  color: var(--color-gray-muted);
}
.breadcrumb a { color: var(--color-gray-muted); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb-sep { margin: 0 6px; }

/* -------------------- Sidebar: Lo más leído -------------------- */
.sidebar-title {
  font-size: 1.15rem;
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: 8px;
  margin-bottom: 12px;
}
.most-read { margin-bottom: 24px; }
.most-read-list { list-style: none; margin: 0; padding: 0; }
.most-read-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-gray-border);
}
.most-read-list li:last-child { border-bottom: none; }
.most-read-num {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-gray-border);
  line-height: 1;
  flex-shrink: 0;
}
.most-read-list a { font-size: 0.92rem; font-weight: 600; color: var(--color-ink); }
.most-read-list a:hover { color: var(--color-accent); text-decoration: underline; }

/* -------------------- Trending cards -------------------- */
.card--trend .card-trend-tag {
  display: block;
  color: var(--color-trending);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  margin-bottom: 4px;
  display: flex; align-items: center; gap: 4px;
}

/* -------------------- Empty state -------------------- */
.empty-state { color: var(--color-gray-muted); padding: 20px 0; }

/* -------------------- Static pages -------------------- */
.static-page { max-width: 760px; padding-top: 24px; padding-bottom: 48px; }
.static-page h1 { font-size: 2rem; margin-bottom: 16px; }
.static-page h2 { font-size: 1.25rem; margin-top: 24px; }
.static-page p { color: var(--color-ink-soft); }
.static-note { font-size: 0.8rem; color: var(--color-gray-muted); font-style: italic; }

/* -------------------- Social icons -------------------- */
.social-icons { display: flex; align-items: center; gap: 10px; }
.social-icons a { color: var(--color-ink); display: inline-flex; }
.social-icons a:hover { color: var(--color-accent); }
.social-icons--sm svg { width: 16px; height: 16px; }

.icon-btn {
  background: none; border: none; cursor: pointer; color: var(--color-ink);
  display: inline-flex; align-items: center; justify-content: center;
  padding: 6px; border-radius: var(--radius-sm);
}
.icon-btn:hover { color: var(--color-accent); }