/* ============================================
   TechReviewZone — hoja de estilos base
   Sitio ligero, sin frameworks pesados.
   ============================================ */

:root {
  --color-bg: #12151c;
  --color-bg-alt: #1a1f2b;
  --color-text: #e7eaf1;
  --color-text-muted: #a2aabb;
  --color-primary: #4d8dff;
  --color-primary-dark: #1a56db;
  --color-accent: #f79009;
  --color-accent-text: #f79009;
  --color-border: #2a3040;
  --color-success: #0f9d58;
  --color-warning-bg: #2a2311;
  --color-warning-border: #6b5716;
  --max-width: 1100px;
  --radius: 10px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Skip link para accesibilidad */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}
.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.logo::before {
  content: "";
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  background-repeat: no-repeat;
  background-size: contain;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Ccircle cx='26' cy='26' r='15' fill='none' stroke='%234d8dff' stroke-width='6'/%3E%3Cline x1='36.6' y1='36.6' x2='48' y2='48' stroke='%234d8dff' stroke-width='7' stroke-linecap='round'/%3E%3Cpath fill='%23f79009' d='M26,17 L28.12,23.09 L34.56,23.22 L29.42,27.11 L31.29,33.28 L26,29.6 L20.71,33.28 L22.58,27.11 L17.44,23.22 L23.88,23.09 Z'/%3E%3C/svg%3E");
}
.logo span { color: var(--color-primary); }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.main-nav a {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--color-primary); }

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  font-weight: 700;
  margin-left: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--color-border);
}
.lang-switch a {
  color: var(--color-text-muted);
}
.lang-switch a:hover { color: var(--color-primary); }
.lang-switch .lang-current {
  color: var(--color-primary);
}

/* Disclosure bar (aviso de afiliado, visible en todas las páginas) */
.disclosure-bar {
  background: var(--color-warning-bg);
  border-bottom: 1px solid var(--color-warning-border);
  font-size: 0.85rem;
  color: var(--color-text);
  text-align: center;
  padding: 8px 16px;
}
.disclosure-bar a { font-weight: 600; color: #9fc2ff; }

/* Hero */
.hero {
  padding: 56px 0 40px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 14px;
  line-height: 1.2;
}
.hero p {
  color: var(--color-text-muted);
  max-width: 640px;
  font-size: 1.05rem;
}

/* Secciones genéricas */
section { padding: 48px 0; }
section h2 {
  font-size: 1.6rem;
  margin-bottom: 22px;
}
section.alt { background: var(--color-bg-alt); }

/* Grid de tarjetas de reseñas */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.review-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  transition: box-shadow .15s ease, transform .15s ease;
}
.review-card:hover {
  box-shadow: 0 6px 18px rgba(0,0,0,.08);
  transform: translateY(-2px);
}
.review-card .thumb {
  aspect-ratio: 4 / 3;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5a6478;
  font-size: .85rem;
  overflow: hidden;
}
.review-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
}
.review-card .body { padding: 16px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.review-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.review-card p { color: var(--color-text-muted); font-size: .92rem; flex: 1; }
.rating { color: var(--color-accent-text); font-weight: 700; margin-bottom: 6px; }
.review-card .read-more { margin-top: 10px; font-weight: 600; }

/* Botones */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 700;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-accent);
  color: #1c1400;
}
.btn-primary:hover { background: #e07f00; text-decoration: none; }
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

/* Caja de producto (reseñas individuales) */
.product-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  background: var(--color-bg-alt);
  margin: 24px 0;
}
@media (max-width: 640px) {
  .product-box { display: block; }
}
.product-box .thumb {
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: .8rem;
  text-align: center;
  padding: 10px;
}
@media (max-width: 640px) {
  .product-box .thumb { margin-bottom: 24px; }
}
.product-box .verdict { font-weight: 700; margin: 6px 0 14px; }
.price-note {
  font-size: .78rem;
  color: var(--color-text-muted);
  margin-top: 10px;
}

/* Pros / contras */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 28px 0;
}
@media (max-width: 640px) {
  .pros-cons { grid-template-columns: 1fr; }
}
.pros-cons div {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.pros-cons h3 { margin-top: 0; }
.pros-cons.pros { border-color: var(--color-success); }

/* Nota de divulgación inline dentro de artículos */
.inline-disclosure {
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: .88rem;
  margin: 20px 0;
}

/* Tabla comparativa */
table.compare {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: .92rem;
}
table.compare th, table.compare td {
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  text-align: left;
}
table.compare th { background: var(--color-bg-alt); }

/* FAQ */
details.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}
details.faq-item summary {
  cursor: pointer;
  font-weight: 600;
}

/* Autor / fecha de actualización (señales E-E-A-T) */
.article-meta {
  color: var(--color-text-muted);
  font-size: .85rem;
  margin: 6px 0 24px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  padding: 40px 0 24px;
  font-size: .88rem;
  color: var(--color-text-muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}
.footer-grid h3 {
  color: var(--color-text);
  margin: 0 0 10px;
  font-size: .9rem;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 6px; }
.footer-disclosure {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  font-size: .8rem;
}
.footer-bottom {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.cookie-prefs-link {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font: inherit;
  padding: 0;
  text-decoration: underline;
}

/* Banner de consentimiento de cookies */
#cookie-consent-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: #1c2333;
  color: #fff;
  padding: 18px 20px;
  z-index: 999;
  display: none;
}
#cookie-consent-banner.visible { display: block; }
.cookie-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.cookie-inner p { margin: 0; flex: 1 1 320px; font-size: .88rem; }
.cookie-inner .actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-inner a { color: #9fc2ff; text-decoration: underline; }
.btn-cookie {
  padding: 9px 16px;
  border-radius: 6px;
  font-weight: 700;
  font-size: .85rem;
  cursor: pointer;
  border: 1px solid #fff;
}
.btn-cookie.accept { background: #fff; color: #1c2333; }
.btn-cookie.reject { background: transparent; color: #fff; }

/* Marcador genérico de foto pendiente (plantillas de reseña sin foto propia aún) */
.thumb-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
}
.thumb-placeholder svg { opacity: .55; }
.thumb-placeholder span { font-size: .75rem; text-align: center; }

/* Iconos de categoría (página hub del catálogo) */
.review-card .thumb.category-thumb {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}
.category-thumb svg { width: 46px; height: 46px; }

/* Fichas de catálogo (guías comparativas por categoría) */
.guide-card .checklist {
  margin: 8px 0 14px;
  padding-left: 18px;
  font-size: .85rem;
  color: var(--color-text-muted);
}
.guide-card .checklist li { margin-bottom: 4px; }
.guide-card .use-case {
  font-size: .88rem;
  margin-bottom: 10px;
}
.guide-card .btn { margin-top: auto; align-self: flex-start; }
.guide-card .not-tested-note {
  font-size: .75rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* Página legal genérica */
.legal-page h2 { margin-top: 34px; }
.legal-page .updated { color: var(--color-text-muted); font-size: .85rem; }