/* =============================================================
   ExpertoEnCasa — styles.css
   1. Tokens  2. Reset  3. Utilities  4. Typography  5. Components
   6. Sections  7. Effects  8. Responsive  9. Reduced-motion
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #faf8f4;
  --bg-alt: #f1ece2;
  --ink: #2a241d;
  --ink-soft: #5c5347;
  --cream: #faf8f4;
  --accent: #d97706;
  --accent-ink: #2a1a00;
  --accent-soft: #fdebd3;
  --border: #e6ddcc;
  --ok: #2f7d4f;
  --danger: #b3401f;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(42, 36, 29, 0.08);
  --shadow-lg: 0 12px 40px rgba(42, 36, 29, 0.14);
  --serif: "Manrope", "Inter", sans-serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --nav-h: 72px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1a1613;
    --bg-alt: #221c17;
    --ink: #f2ebda;
    --ink-soft: #c9bfae;
    --border: #3a3228;
    --accent-soft: #3a2a0f;
  }
}
:root[data-theme="dark"] {
  --bg: #1a1613;
  --bg-alt: #221c17;
  --ink: #f2ebda;
  --ink-soft: #c9bfae;
  --border: #3a3228;
  --accent-soft: #3a2a0f;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; overflow-x: clip; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { font-family: var(--serif); text-wrap: balance; line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 800; margin-bottom: 0.9rem; }
h3 { font-size: 1.15rem; font-weight: 700; }
::selection { background: var(--accent-soft); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
table { border-collapse: collapse; width: 100%; }

/* =============================================================
   3. Utilities
   ============================================================= */
.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: fixed; top: -100px; left: 1rem; padding: .6rem 1rem;
  background: var(--ink); color: var(--cream); z-index: 9999;
  border-radius: var(--radius-sm); font-weight: 600;
}
.skip-link:focus { top: 1rem; }
.container { max-width: 1180px; margin-inline: auto; padding-inline: 1.25rem; }
.section { padding-block: clamp(2.5rem, 5vw, 4rem); }
.nota { color: var(--ink-soft); font-size: 0.85rem; }
.prose h2 { margin-top: 2rem; }
.prose p { margin-bottom: 1rem; max-width: 68ch; }
.breadcrumb { color: var(--ink-soft); font-size: 0.85rem; margin-bottom: 1rem; }
.breadcrumb a { color: var(--ink-soft); text-decoration: underline; }

/* =============================================================
   4. Typography extras
   ============================================================= */
.hero-lead, .category-intro, .guide-intro { color: var(--ink-soft); font-size: 1.05rem; max-width: 56ch; }

/* =============================================================
   5. Components
   ============================================================= */

/* Buttons */
.btn-primary, .btn-secondary, .btn-comprar {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .75rem 1.4rem; border-radius: 999px; font-weight: 700; font-size: 0.95rem;
  transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out), background .2s var(--ease-out);
}
.btn-primary, .btn-comprar {
  background: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow);
}
.btn-primary:hover, .btn-comprar:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-secondary {
  background: transparent; color: var(--ink); border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* Site header / nav */
.site-header {
  position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
@supports not (backdrop-filter: blur(1px)) { .site-header { background: var(--bg); } }
.nav-row { display: flex; align-items: center; justify-content: space-between; min-height: var(--nav-h); gap: 1rem; }
.brand { display: flex; align-items: center; gap: .5rem; font-family: var(--serif); font-weight: 800; font-size: 1.15rem; }
.brand-mark { font-size: 1.3rem; }
.nav-links ul { list-style: none; display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { font-weight: 600; font-size: 0.95rem; }
.nav-links a:hover { color: var(--accent); }
.nav-links .nav-cta, .nav-links .nav-cta:hover { color: var(--accent-ink); background: var(--accent); padding: .5rem 1rem; border-radius: 999px; }
.has-sub { position: relative; cursor: pointer; }
.has-sub > span { font-weight: 600; font-size: 0.95rem; }
.nav-links .sub-menu {
  display: none; position: absolute; top: 100%; left: 0; background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .5rem;
  min-width: 260px; box-shadow: var(--shadow-lg); list-style: none; flex-direction: column; gap: .2rem;
}
.has-sub:hover .sub-menu, .has-sub:focus-within .sub-menu { display: flex; }
.sub-menu a { display: block; padding: .5rem .6rem; border-radius: var(--radius-sm); }
.sub-menu a:hover { background: var(--bg-alt); }
.nav-toggle { display: none; flex-direction: column; gap: 4px; padding: .5rem; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* Product card */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.25rem; }
.product-grid--compact { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.product-card {
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem; display: flex; flex-direction: column; gap: .5rem;
  transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-img-link { border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 4/3; background: var(--bg); }
.card-img-link img { width: 100%; height: 100%; object-fit: cover; }
.card-cat { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--accent); font-weight: 700; }
.product-card h3 { font-size: 1rem; }
.sample-pill {
  display: inline-block; font-size: .65rem; font-weight: 700; text-transform: uppercase;
  background: var(--accent-soft); color: var(--accent-ink); padding: .1rem .4rem; border-radius: 999px; vertical-align: middle;
}
.card-price { font-weight: 800; font-size: 1.1rem; }
.card-price-before { font-weight: 500; font-size: .85rem; color: var(--ink-soft); text-decoration: line-through; margin-left: .4rem; }
.card-actions { display: flex; gap: .5rem; margin-top: auto; }
.card-actions .btn-secondary, .card-actions .btn-comprar { flex: 1; padding: .55rem .8rem; font-size: .85rem; }

/* Rating */
.rating { display: flex; align-items: center; gap: .35rem; font-size: .85rem; color: var(--ink-soft); }
.stars { color: var(--border); letter-spacing: 1px; }
.star.is-full { color: var(--accent); }
.rating-num { font-weight: 700; color: var(--ink); }

/* Category card */
.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem; }
.category-card {
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; display: flex; flex-direction: column; gap: .4rem;
  transition: transform .2s var(--ease-out), border-color .2s var(--ease-out);
}
.category-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.cat-icon { font-size: 1.8rem; }
.category-card p { color: var(--ink-soft); font-size: .9rem; }

/* Guide card / strip */
.guide-card {
  display: block; background: var(--accent-soft); border-radius: var(--radius); padding: 1.5rem;
}
.guide-card p { color: var(--ink-soft); }

/* Filter bar */
.filter-bar { display: flex; justify-content: flex-end; margin-block: 1rem; }
.filter-bar select {
  padding: .5rem .8rem; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg); color: var(--ink); font: inherit;
}

/* Comparator */
.comparator-picker { display: flex; flex-wrap: wrap; gap: 1rem; align-items: flex-start; margin-block: 1.5rem; }
.comparator-picker select { min-width: 280px; border-radius: var(--radius-sm); border: 1px solid var(--border); padding: .5rem; background: var(--bg); color: var(--ink); font: inherit; }
.comparator-result { margin-top: 2rem; }
.js-required-note { color: var(--ink-soft); font-style: italic; }
.comparator-table-wrap { overflow-x: auto; overflow-y: visible; }
.comparator-table { min-width: 600px; }
.comparator-table th, .comparator-table td { padding: .6rem .8rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.comparator-table th.row-label { color: var(--ink-soft); font-weight: 600; white-space: nowrap; }
.comparator-table td.is-best { color: var(--ok); font-weight: 800; }
.comparator-col-head { display: flex; flex-direction: column; gap: .5rem; align-items: flex-start; }
.comparator-col-head img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius-sm); }
.remove-badge {
  position: absolute; top: -8px; right: -8px; width: 24px; height: 24px; border-radius: 999px;
  background: var(--ink); color: var(--cream); font-weight: 700; line-height: 1; display: flex; align-items: center; justify-content: center;
}
.slot-wrap { position: relative; overflow: visible; padding-top: 8px; padding-right: 8px; }
.comparator-radar-wrap { margin-block: 1.5rem; }

/* Radar chart (hand-drawn SVG) */
.radar-chart { display: flex; justify-content: center; padding: 1rem 0; }
.radar-fallback { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .3rem .8rem; max-width: 480px; margin-inline: auto; }
.radar-fallback.is-replaced { display: none; }
.radar-legend { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; margin-top: .5rem; font-size: .8rem; }
.radar-legend-item { display: flex; align-items: center; gap: .35rem; }
.radar-legend-swatch { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

/* Ficha (product page) */
.ficha { display: flex; flex-direction: column; gap: 0; }
.sample-badge {
  background: var(--accent-soft); color: var(--accent-ink); font-weight: 700; font-size: .85rem;
  padding: .6rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; display: inline-block;
}
.ficha-top { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; padding-block: 1.5rem; }
.ficha-galeria { border-radius: var(--radius); overflow: hidden; background: var(--bg-alt); }
.ficha-img-main { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.ficha-marca { color: var(--ink-soft); font-weight: 700; text-transform: uppercase; font-size: .8rem; letter-spacing: .04em; }
.ficha-nombre { margin-block: .3rem .6rem; }
.ficha-precio { margin-block: 1rem; }
.offer-badge { background: var(--danger); color: #fff; font-weight: 800; padding: .2rem .6rem; border-radius: 999px; font-size: .8rem; margin-right: .5rem; }
.precio-actual { font-size: 2rem; font-weight: 800; }
.precio-antes { text-decoration: line-through; color: var(--ink-soft); margin-left: .6rem; font-size: 1.1rem; }
.precio-nota { color: var(--ink-soft); font-size: .8rem; margin-top: .3rem; }
.ficha-head .btn-comprar { margin-top: 1rem; width: 100%; }
.specs-group-title { margin-top: 1.5rem; margin-bottom: .5rem; font-size: 1rem; color: var(--accent); }
.specs-table th { width: 45%; color: var(--ink-soft); font-weight: 600; }
.specs-table tr:nth-child(odd) { background: var(--bg-alt); }
.specs-extra { margin-top: 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .8rem 1rem; }
.specs-extra-body div { padding: .3rem 0; border-bottom: 1px dashed var(--border); }
.editorial-cuerpo p { margin-bottom: 1rem; max-width: 68ch; }
.pros-contras { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-block: 1.5rem; }
.pros-contras ul { list-style: none; display: flex; flex-direction: column; gap: .4rem; }
.pros li::before { content: "✓ "; color: var(--ok); font-weight: 800; }
.contras li::before { content: "✕ "; color: var(--danger); font-weight: 800; }
.ideal-para { background: var(--accent-soft); padding: 1rem 1.25rem; border-radius: var(--radius-sm); }
.resenas-resumen { max-width: 68ch; }
.ficha-comparar { display: flex; flex-direction: column; gap: 1rem; }
.ficha-cta-repeat { display: flex; justify-content: center; padding-block: 2rem; }
.aviso-afiliados { color: var(--ink-soft); font-size: .8rem; max-width: 70ch; margin-inline: auto; padding-block: 1rem; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: .6rem; margin-top: 1rem; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .8rem 1rem; }
.faq-item summary { font-weight: 700; cursor: pointer; }
.faq-item p { margin-top: .6rem; color: var(--ink-soft); }

/* Footer */
.site-footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding-block: 3rem 1.5rem; margin-top: 3rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer-grid h3 { font-size: .9rem; text-transform: uppercase; letter-spacing: .04em; margin-bottom: .6rem; color: var(--ink-soft); }
.footer-grid ul { list-style: none; display: flex; flex-direction: column; gap: .4rem; }
.footer-tagline { color: var(--ink-soft); margin-top: .3rem; }
.aviso-afiliados-footer { border-top: 1px solid var(--border); padding-top: 1rem; }

/* =============================================================
   6. Sections
   ============================================================= */
.hero { padding-block: clamp(2.5rem, 6vw, 5rem); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 2.5rem; align-items: center; }
.hero-cta-row { display: flex; gap: 1rem; margin-top: 1.5rem; flex-wrap: wrap; }
.hero-media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.trust-block { background: var(--bg-alt); border-radius: var(--radius); padding: 2rem; max-width: 900px; margin-inline: auto; }
.trust-block p { max-width: 70ch; }
.guides-strip { max-width: 900px; }

/* =============================================================
   7. Effects (reveal on scroll)
   ============================================================= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

/* =============================================================
   8. Responsive
   ============================================================= */
@media (max-width: 959px) {
  .nav-toggle { display: flex; }
  .nav-links { position: fixed; top: var(--nav-h); left: 0; right: 0; background: var(--bg);
    border-bottom: 1px solid var(--border); max-height: 0; overflow: hidden; transition: max-height .3s var(--ease-out); }
  .nav-links.is-open { max-height: 480px; }
  .nav-links ul { flex-direction: column; align-items: flex-start; padding: 1rem 1.25rem; gap: .75rem; }
  .has-sub .sub-menu { display: flex; position: static; border: 0; box-shadow: none; padding-left: .5rem; }
  .ficha-top { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 719px) {
  .pros-contras { grid-template-columns: 1fr; }
  .precio-actual { font-size: 1.6rem; }
}

/* =============================================================
   9. Reduced motion (only intrusive effects)
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}