/* ============================================================
   EL DIARIO — Estilos principales
   Diseño moderno y minimalista
============================================================ */

:root {
  --bg:        #ffffff;
  --bg2:       #f8f8f6;
  --bg3:       #f0efeb;
  --texto:     #0d0d0d;
  --texto2:    #3d3d3d;
  --texto3:    #888888;
  --borde:     #e5e5e0;
  --acento:    #0a0a0a;
  --acento2:   #d4180f;
  --papel:     #ffffff;

  --f-titulo:  'DM Serif Display', Georgia, serif;
  --f-ui:      'Space Grotesk', sans-serif;
  --f-cuerpo:  'DM Sans', sans-serif;

  --radio:     2px;
  --trans:     all 0.2s ease;
}

body.oscuro {
  --bg:        #111110;
  --bg2:       #1a1a18;
  --bg3:       #222220;
  --texto:     #f0efe8;
  --texto2:    #b8b8b0;
  --texto3:    #666660;
  --borde:     #2a2a28;
  --acento:    #f0efe8;
  --papel:     #1a1a18;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--texto); font-family: var(--f-cuerpo); font-size: 16px; line-height: 1.6; transition: background 0.3s, color 0.3s; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── TOPBAR ─────────────────────────────────────────────── */
.topbar {
  background: var(--acento);
  color: var(--bg);
  font-family: var(--f-ui);
  font-size: 11px;
  letter-spacing: 0.04em;
}
body.oscuro .topbar { background: var(--bg3); color: var(--texto2); }
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 7px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-right a { opacity: 0.7; transition: var(--trans); }
.topbar-right a:hover { opacity: 1; }
.btn-tema { color: inherit; opacity: 0.7; display: flex; align-items: center; transition: var(--trans); }
.btn-tema:hover { opacity: 1; }

/* ── HEADER ─────────────────────────────────────────────── */
.header {
  background: var(--bg);
  border-bottom: 1px solid var(--borde);
  transition: background 0.3s;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 20px;
  text-align: center;
}
.header-nombre {
  display: block;
  font-family: var(--f-ui);
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--texto);
  line-height: 1;
  margin-bottom: 6px;
  transition: color 0.3s;
}
.header-tagline {
  font-family: var(--f-ui);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--texto3);
}

/* ── NAV ────────────────────────────────────────────────── */
.nav {
  background: var(--bg);
  border-bottom: 2px solid var(--texto);
  transition: background 0.3s;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  overflow-x: auto;
}
.nav-inner::-webkit-scrollbar { height: 0; }
#navLista {
  display: flex;
  align-items: center;
  white-space: nowrap;
}
#navLista li a, #navLista li button {
  display: block;
  padding: 12px 16px;
  font-family: var(--f-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--texto3);
  transition: var(--trans);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}
#navLista li a:hover,
#navLista li button:hover,
#navLista li button.activo {
  color: var(--texto);
  border-bottom-color: var(--acento2);
}

/* ── FILTRO BAR ─────────────────────────────────────────── */
.filtro-bar { background: var(--bg2); border-bottom: 1px solid var(--borde); }
.filtro-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-ui);
  font-size: 12px;
  color: var(--texto3);
}
.filtro-bar-inner button {
  font-family: var(--f-ui);
  font-size: 11px;
  font-weight: 600;
  color: var(--acento2);
  padding: 2px 8px;
  border: 1px solid var(--acento2);
  border-radius: 2px;
  transition: var(--trans);
}
.filtro-bar-inner button:hover { background: var(--acento2); color: #fff; }

/* ── MAIN LAYOUT ────────────────────────────────────────── */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 60px;
  display: grid;
  grid-template-columns: 1fr 280px;
  grid-template-rows: auto auto;
  gap: 48px 40px;
}
.hero-section { grid-column: 1; grid-row: 1; }
.grid-section  { grid-column: 1; grid-row: 2; }
.sidebar       { grid-column: 2; grid-row: 1 / 3; }

/* ── HERO ───────────────────────────────────────────────── */
.hero-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--borde);
  cursor: pointer;
}
.hero-card:hover .hero-titulo { color: var(--acento2); }
.hero-img-wrap { overflow: hidden; border-radius: var(--radio); }
.hero-img-wrap img { height: 360px; object-fit: cover; transition: transform 0.4s ease; }
.hero-card:hover .hero-img-wrap img { transform: scale(1.02); }
.hero-cat {
  display: inline-block;
  font-family: var(--f-ui);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acento2);
  margin-bottom: 14px;
}
.hero-titulo {
  font-family: var(--f-titulo);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.2;
  color: var(--texto);
  margin-bottom: 14px;
  transition: color 0.2s;
}
.hero-resumen {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--texto2);
  margin-bottom: 20px;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-ui);
  font-size: 11px;
  color: var(--texto3);
}
.hero-meta .autor { font-weight: 600; color: var(--texto2); }
.btn-leer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--acento2);
  margin-top: 20px;
  border-bottom: 1px solid var(--acento2);
  padding-bottom: 2px;
  transition: var(--trans);
}
.btn-leer:hover { gap: 12px; }

/* ── GRID NOTICIAS ──────────────────────────────────────── */
.grid-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}
.grid-titulo {
  font-family: var(--f-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--texto3);
  white-space: nowrap;
}
.grid-linea { flex: 1; height: 1px; background: var(--borde); }
.grid-noticias {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 24px;
}
.tarjeta {
  cursor: pointer;
  transition: var(--trans);
}
.tarjeta:hover .tarjeta-titulo { color: var(--acento2); }
.tarjeta-img {
  overflow: hidden;
  border-radius: var(--radio);
  margin-bottom: 14px;
  aspect-ratio: 16/10;
  background: var(--bg3);
}
.tarjeta-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s; }
.tarjeta:hover .tarjeta-img img { transform: scale(1.04); }
.tarjeta-cat {
  font-family: var(--f-ui);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acento2);
  margin-bottom: 6px;
}
.tarjeta-titulo {
  font-family: var(--f-titulo);
  font-size: 19px;
  line-height: 1.35;
  color: var(--texto);
  margin-bottom: 8px;
  transition: color 0.2s;
}
.tarjeta-resumen {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--texto3);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tarjeta-meta {
  font-family: var(--f-ui);
  font-size: 10px;
  color: var(--texto3);
  display: flex;
  gap: 8px;
}
.sin-resultados {
  grid-column: 1/-1;
  text-align: center;
  padding: 48px;
  font-family: var(--f-ui);
  color: var(--texto3);
}

/* ── SIDEBAR ────────────────────────────────────────────── */
.sidebar-bloque { margin-bottom: 32px; }
.sidebar-titulo-wrap { margin-bottom: 12px; border-bottom: 2px solid var(--texto); padding-bottom: 8px; }
.sidebar-titulo {
  font-family: var(--f-ui);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--texto);
}
.banner-wrap { }
.banner-placeholder {
  background: var(--bg3);
  border: 1px dashed var(--borde);
  border-radius: var(--radio);
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--f-ui);
  font-size: 12px;
  color: var(--texto3);
  line-height: 1.8;
}

/* ── FOOTER ─────────────────────────────────────────────── */
.footer {
  background: var(--texto);
  color: var(--bg);
  padding: 48px 24px 32px;
  border-top: 3px solid var(--acento2);
  margin-top: 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.footer-nombre {
  font-family: var(--f-ui);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  opacity: 0.9;
}
.footer-desc {
  font-size: 13px;
  opacity: 0.4;
  margin-bottom: 24px;
}
.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 24px;
}
.footer-nav a {
  font-family: var(--f-ui);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.4;
  transition: var(--trans);
}
.footer-nav a:hover { opacity: 1; }
.footer-copy {
  font-family: var(--f-ui);
  font-size: 11px;
  opacity: 0.25;
}

/* ── PÁGINA DE ARTÍCULO ─────────────────────────────────── */
.articulo-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 60px;
  align-items: start;
}
.articulo-wrap { }
.articulo-loading {
  font-family: var(--f-ui);
  font-size: 14px;
  color: var(--texto3);
  padding: 48px 0;
}
.articulo-volver {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--f-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--texto3);
  margin-bottom: 32px;
  transition: var(--trans);
}
.articulo-volver:hover { color: var(--acento2); }
.articulo-cat {
  font-family: var(--f-ui);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--acento2);
  margin-bottom: 16px;
}
.articulo-titulo {
  font-family: var(--f-titulo);
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.15;
  color: var(--texto);
  margin-bottom: 20px;
}
.articulo-resumen {
  font-size: 20px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--texto2);
  border-left: 3px solid var(--acento2);
  padding-left: 20px;
  margin-bottom: 24px;
}
.articulo-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--f-ui);
  font-size: 12px;
  color: var(--texto3);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--borde);
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.articulo-meta .autor { font-weight: 600; color: var(--texto2); }
.articulo-compartir {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.btn-compartir {
  font-family: var(--f-ui);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--borde);
  border-radius: 2px;
  color: var(--texto3);
  transition: var(--trans);
  display: flex;
  align-items: center;
  gap: 5px;
}
.btn-compartir:hover { border-color: var(--texto); color: var(--texto); }
.btn-compartir.copiado { border-color: #22c55e; color: #22c55e; }
.articulo-imagen {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  border-radius: var(--radio);
  margin-bottom: 36px;
}
.articulo-cuerpo {
  font-size: 18px;
  line-height: 1.85;
  color: var(--texto2);
}
.articulo-cuerpo p { margin-bottom: 22px; }
.articulo-cuerpo strong { color: var(--texto); }
.articulo-cuerpo h2 { font-family: var(--f-titulo); font-size: 26px; color: var(--texto); margin: 32px 0 16px; }
.articulo-cuerpo blockquote {
  border-left: 3px solid var(--acento2);
  padding-left: 20px;
  margin: 24px 0;
  font-style: italic;
  color: var(--texto3);
}

/* Botón copiar URL */
.articulo-url-wrap {
  background: var(--bg2);
  border: 1px solid var(--borde);
  border-radius: 4px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}
.articulo-url-texto {
  font-family: var(--f-ui);
  font-size: 12px;
  color: var(--texto3);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn-copiar-url {
  font-family: var(--f-ui);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  background: var(--texto);
  color: var(--bg);
  border-radius: 2px;
  white-space: nowrap;
  transition: var(--trans);
  flex-shrink: 0;
}
.btn-copiar-url:hover { opacity: 0.8; }

/* Relacionadas sidebar */
.relacionadas-wrap { }
.relacionadas-titulo {
  font-family: var(--f-ui);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--texto);
  border-bottom: 2px solid var(--texto);
  padding-bottom: 10px;
  margin-bottom: 20px;
}
.relacionada-item {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--borde);
  cursor: pointer;
  transition: var(--trans);
}
.relacionada-item:hover .rel-titulo { color: var(--acento2); }
.rel-img {
  width: 72px;
  height: 56px;
  border-radius: var(--radio);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg3);
}
.rel-img img { width: 100%; height: 100%; object-fit: cover; }
.rel-cat {
  font-family: var(--f-ui);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--acento2);
  margin-bottom: 4px;
}
.rel-titulo {
  font-family: var(--f-titulo);
  font-size: 14px;
  line-height: 1.3;
  color: var(--texto);
  transition: color 0.2s;
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .main { grid-template-columns: 1fr; }
  .hero-section { grid-column: 1; }
  .grid-section  { grid-column: 1; }
  .sidebar { grid-column: 1; grid-row: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .grid-noticias { grid-template-columns: repeat(2, 1fr); }
  .articulo-main { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .topbar-inner { padding: 6px 16px; }
  .header-inner { padding: 20px 16px 14px; }
  .nav-inner { padding: 0 8px; }
  #navLista li a, #navLista li button { padding: 10px 10px; font-size: 10px; }
  .main { padding: 24px 16px 48px; gap: 32px 0; }
  .hero-card { grid-template-columns: 1fr; gap: 20px; }
  .hero-img-wrap img { height: 220px; }
  .hero-titulo { font-size: 24px; }
  .grid-noticias { grid-template-columns: 1fr; }
  .sidebar { grid-template-columns: 1fr; }
  .articulo-main { padding: 24px 16px 60px; gap: 40px; }
  .articulo-titulo { font-size: 26px; }
  .articulo-resumen { font-size: 17px; }
  .articulo-cuerpo { font-size: 16px; }
  .footer { padding: 36px 16px 24px; }
  .footer-nombre { font-size: 28px; }
}

@media (max-width: 480px) {
  .header-nombre { font-size: 36px; }
  .hero-img-wrap img { height: 180px; }
  .hero-titulo { font-size: 20px; }
  .articulo-titulo { font-size: 22px; }
  .articulo-resumen { font-size: 15px; }
  .articulo-meta { flex-direction: column; align-items: flex-start; gap: 8px; }
  .articulo-compartir { margin-left: 0; }
  .footer-nav { flex-direction: column; align-items: center; gap: 10px; }
}