/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #f6f8f9;
  --surface: #ffffff;
  --surface-2: #eef1f3;
  --ink: #14161a;
  --ink-soft: #565c66;
  --ink-faint: #8a9099;
  --border: #e0e2e6;
  --accent: #0f7a6c;
  --accent-ink: #ffffff;
  --accent-soft: #e6f3f1;
  --buy: #f2911e;
  --buy-hover: #d97e10;
  --buy-ink: #201202;
  --gold: #f0a93a;
  --success: #1f9d55;
  --danger: #d64545;

  /* Negro/gris "robóticos" — cabecera, pie y acentos de la interfaz */
  --carbon: #0b0d10;
  --carbon-2: #16191d;
  --carbon-border: #2a2e34;
  --carbon-ink: #e8eaed;
  --carbon-ink-soft: #9aa0a8;
  --steel: #6b7280;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 6px 24px -8px rgba(15, 25, 35, 0.15);
  --shadow-sm: 0 2px 10px -4px rgba(15, 25, 35, 0.12);
  --gutter: clamp(1rem, 4vw, 2rem);
  --container: 1180px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* =============================================================
   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 {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -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 { text-wrap: balance; line-height: 1.15; letter-spacing: -0.01em; font-family: "Fraunces", Georgia, serif; font-weight: 600; }
ul { list-style: none; padding: 0; }
table { border-collapse: collapse; width: 100%; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; padding: .6rem 1rem;
  background: var(--ink); color: #fff; z-index: 9999; border-radius: 8px; font-weight: 600;
  transition: top .2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.section { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.section-head { max-width: 640px; margin-bottom: 2rem; }
.section-head p { color: var(--ink-soft); margin-top: .5rem; }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: .5rem; }
.nota { color: var(--ink-faint); font-size: .85rem; }
.center { text-align: center; }

/* =============================================================
   4. Typography
   ============================================================= */
h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
.lead { font-size: 1.1rem; color: var(--ink-soft); }

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.5rem; border-radius: 999px; font-weight: 700; font-size: .95rem;
  transition: transform .2s var(--ease-out), background .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.btn-buy { background: var(--buy); color: var(--buy-ink); box-shadow: var(--shadow-sm); }
.btn-buy:hover { background: var(--buy-hover); transform: translateY(-2px); }
.btn-outline { border: 1.5px solid var(--border); color: var(--ink); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { color: var(--accent); }
.btn-sm { padding: .55rem 1.1rem; font-size: .85rem; }
.btn-block { width: 100%; }

.badge { display: inline-flex; align-items: center; gap: .3rem; padding: .3rem .7rem; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge-cat { background: var(--accent-soft); color: var(--accent); }
.badge-offer { background: #fdece0; color: var(--buy-hover); }
.badge-ejemplo { background: #fff4d6; color: #8a6100; }
.badge-featured { background: #efe7ff; color: #5b3fb0; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .25s var(--ease-out), transform .25s var(--ease-out);
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card-img { aspect-ratio: 4/3; background: var(--surface-2); }
.card-img img { width: 100%; height: 100%; object-fit: contain; padding: 1rem; }
.card-body { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.card-cat { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--accent); }
.card-title { font-size: 1.05rem; }
.card-title a { transition: color .2s; }
.card-title a:hover { color: var(--accent); }
.card-rating { font-size: .85rem; color: var(--ink-soft); display: flex; align-items: center; gap: .3rem; }
.card-rating .stars { color: var(--gold); }
.card-price { margin-top: auto; display: flex; align-items: baseline; gap: .5rem; }
.card-price .now { font-size: 1.25rem; font-weight: 800; }
.card-price .before { font-size: .85rem; color: var(--ink-faint); text-decoration: line-through; }
.card-actions { display: flex; gap: .5rem; margin-top: .5rem; }
.card-actions .btn { flex: 1; }

.grid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }

.nav {
  position: sticky; top: 0; z-index: 100; background: rgba(11, 13, 16, .88);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--carbon-border);
}
@supports not (backdrop-filter: blur(1px)) { .nav { background: var(--carbon); } }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-block: .9rem; }
.brand { white-space: nowrap; flex: none; display: flex; align-items: center; gap: .5rem; font-family: "Fraunces", serif; font-weight: 700; font-size: 1.2rem; color: var(--carbon-ink); }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; flex: none; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 1.4rem; }
.nav-links a { white-space: nowrap; font-weight: 600; font-size: .92rem; color: var(--carbon-ink-soft); transition: color .2s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; }
.nav-links a.nav-cta, .nav-links a.nav-cta:hover {
  background: var(--accent); color: var(--accent-ink); padding: .55rem 1.1rem; border-radius: 999px;
}
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 8px; }
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { content: ""; display: block; width: 20px; height: 2px; background: var(--carbon-ink); margin: 5px auto; transition: transform .2s; }

.footer { border-top: 1px solid var(--carbon-border); padding-block: 2.5rem; background: var(--carbon); margin-top: 3rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; }
.footer .brand { color: var(--carbon-ink); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.footer-links a { color: var(--carbon-ink-soft); font-size: .9rem; }
.footer-links a:hover { color: #fff; }
.footer-disclosure { max-width: 720px; font-size: .82rem; color: var(--steel); margin-top: 1.2rem; }

.compare-bar {
  position: fixed; bottom: 1.2rem; left: 50%; transform: translate(-50%, 140%);
  background: var(--ink); color: #fff; padding: .8rem 1.2rem; border-radius: 999px;
  display: flex; align-items: center; gap: .9rem; box-shadow: var(--shadow); z-index: 200;
  transition: transform .3s var(--ease-out);
}
.compare-bar.is-visible { transform: translate(-50%, 0); }
.compare-bar a { background: var(--accent); color: #fff; padding: .5rem 1rem; border-radius: 999px; font-weight: 700; font-size: .85rem; }

/* Radar */
.radar-label { font-size: 10px; fill: var(--ink-soft); font-family: Inter, sans-serif; }
figure[data-radar] { margin: 0 auto; max-width: 340px; }

/* Spec table (ficha) */
.specs-table { margin-top: 1rem; }
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table th, .specs-table td { text-align: left; padding: .65rem .4rem; font-size: .92rem; }
.specs-table th { color: var(--ink-soft); font-weight: 600; width: 45%; }
.specs-table .grupo-titulo td { padding-top: 1.4rem; font-weight: 700; color: var(--accent); border-bottom: none; text-transform: uppercase; font-size: .78rem; letter-spacing: .05em; }
.specs-extra dl { display: grid; grid-template-columns: auto 1fr; gap: .4rem 1rem; font-size: .9rem; margin-top: .8rem; }
.specs-extra dt { color: var(--ink-soft); }

/* Comparator table */
.cmp-table-wrap { overflow-x: auto; margin-top: 2rem; }
.cmp-table th { text-align: left; padding: .6rem .8rem; color: var(--ink-soft); font-weight: 600; white-space: nowrap; background: var(--surface-2); position: sticky; left: 0; }
.cmp-table td { text-align: center; padding: .6rem .8rem; border-bottom: 1px solid var(--border); min-width: 110px; }
.cmp-table tr:nth-child(even) td, .cmp-table tr:nth-child(even) th { background: rgba(0,0,0,.015); }
.cmp-best { color: var(--success); font-weight: 800; background: #e9f8ee !important; }
.cmp-cols { display: grid; grid-template-columns: repeat(var(--cmp-n, 2), minmax(180px, 1fr)); gap: 1.2rem; }
.cmp-col { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem 1rem 1.2rem; text-align: center; }
.cmp-col img { width: 90px; height: 90px; object-fit: contain; margin-inline: auto; }
.cmp-col h3 { font-size: .95rem; margin-top: .5rem; }
.cmp-precio { font-weight: 800; font-size: 1.1rem; margin-block: .3rem .8rem; }
.cmp-remove { position: absolute; top: -10px; right: -10px; width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 1rem; line-height: 1; }
.cmp-radar-wrap { margin-top: 2rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.comparador-buscador { margin-top: 2rem; }
.comparador-buscador input { width: 100%; padding: .8rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 1rem; }
.resultados-lista { margin-top: .6rem; display: flex; flex-direction: column; gap: .4rem; }
.resultado-item { display: flex; justify-content: space-between; padding: .7rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); text-align: left; background: var(--surface); }
.resultado-item:hover { border-color: var(--accent); }
.resultado-precio { color: var(--ink-soft); font-weight: 700; }
.comparador-vacio { padding: 2rem; text-align: center; background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius); }

/* Ficha */
.ficha-head { padding-block: 1.5rem; }
.ficha-marca { color: var(--accent); font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; }
.ficha-rating { margin-block: .5rem; color: var(--ink-soft); }
.ficha-precio { display: flex; align-items: baseline; flex-wrap: wrap; gap: .6rem; margin-block: 1rem; }
.ficha-precio .precio-actual { font-size: 2rem; font-weight: 800; }
.ficha-precio .precio-antes { text-decoration: line-through; color: var(--ink-faint); }
.ficha-precio .precio-nota { width: 100%; font-size: .82rem; color: var(--ink-faint); }
.ficha-galeria img { border-radius: var(--radius); background: var(--surface-2); }
.ficha-thumbs { display: flex; gap: .6rem; margin-top: .8rem; flex-wrap: wrap; }
.ficha-thumbs button { width: 64px; height: 64px; border-radius: var(--radius-sm); overflow: hidden; border: 1.5px solid var(--border); background: var(--surface-2); flex: none; }
.ficha-thumbs button:hover { border-color: var(--accent); }
.ficha-thumbs img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.pros-contras { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-block: 1.5rem; }
.pros li, .contras li { position: relative; padding-left: 1.6rem; margin-bottom: .5rem; font-size: .95rem; }
.pros li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 800; }
.contras li::before { content: "✕"; position: absolute; left: 0; color: var(--danger); font-weight: 800; }
.ideal-para { background: var(--accent-soft); border-radius: var(--radius-sm); padding: 1rem 1.2rem; font-size: .95rem; }
.editorial-cuerpo p { margin-bottom: 1rem; color: var(--ink); }
.aviso-afiliados { font-size: .82rem; color: var(--ink-faint); background: var(--surface-2); padding: 1rem 1.2rem; border-radius: var(--radius-sm); margin-top: 2rem; }
.similares { margin-top: 1rem; }

.two-col { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }

/* Hero */
.hero { padding-block: clamp(3rem, 8vw, 5.5rem) clamp(2rem, 5vw, 3rem); position: relative; overflow: clip; }
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: center; }
.hero h1 { max-width: 14ch; }
.hero .lead { max-width: 46ch; margin-block: 1rem 1.6rem; }
.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; }
.stat-row { display: flex; gap: clamp(1.2rem, 4vw, 2.4rem); margin-top: 2.2rem; flex-wrap: wrap; }
.stat-row div strong { display: block; font-size: 1.6rem; font-family: "Fraunces", serif; }
.stat-row div span { font-size: .82rem; color: var(--ink-soft); }

/* Hero con video de fondo — primera pantalla de la web */
.hero-video-section {
  min-height: clamp(420px, 78vh, 760px);
  display: flex; align-items: center;
  padding-block: clamp(2rem, 6vw, 3.5rem);
  background: var(--carbon);
}
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0; pointer-events: none;
}
.hero-video-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(120% 90% at 15% 15%, rgba(15,122,108,.28), transparent 60%),
    linear-gradient(180deg, rgba(6,8,10,.55) 0%, rgba(6,8,10,.72) 55%, rgba(6,8,10,.88) 100%);
}
#hero-particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hero-inner-video { position: relative; z-index: 2; grid-template-columns: 1fr; max-width: 640px; }
.hero-video-section .eyebrow { color: #7fd9cb; }
.hero-video-section h1, .hero-video-section .lead { color: #fff; }
.hero-video-section .lead { color: rgba(255,255,255,.82); }
.hero-video-section .stat-row div strong { color: #fff; }
.hero-video-section .stat-row div span { color: rgba(255,255,255,.65); }
.hero-video-section .btn-outline { border-color: rgba(255,255,255,.35); color: #fff; }
.hero-video-section .btn-outline:hover { border-color: #fff; }
@media (prefers-reduced-motion: reduce) {
  .hero-video-section { background: var(--carbon) linear-gradient(160deg, #10201d, var(--carbon)); }
}

.halo { position: absolute; inset: -30% 10% auto 10%; height: 60%; background: radial-gradient(45% 45% at 50% 50%, rgba(15,122,108,.16), transparent 72%); filter: blur(60px); pointer-events: none; }

/* Trust block */
.trust-grid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 1.5rem; }
.trust-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem; }
.trust-item .ico { width: 42px; height: 42px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: .8rem; font-size: 1.3rem; }

.cat-strip { display: flex; gap: 1rem; overflow-x: auto; padding-bottom: .5rem; }
.cat-pill { flex: none; padding: .9rem 1.4rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); font-weight: 700; min-width: 170px; }
.cat-pill span { display: block; font-weight: 400; font-size: .82rem; color: var(--ink-soft); margin-top: .2rem; }
.cat-pill:hover { border-color: var(--accent); }

.filters-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-bottom: 1.4rem; padding: 1rem 1.2rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.filters-bar label { font-size: .88rem; display: flex; align-items: center; gap: .5rem; }
.filters-bar select { padding: .5rem .7rem; border-radius: var(--radius-sm); border: 1px solid var(--border); font: inherit; }

.guide-shortlist { display: flex; flex-direction: column; gap: 1.2rem; margin-top: 1.5rem; }
.guide-item { display: grid; grid-template-columns: 96px 1fr auto; gap: 1.2rem; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.2rem; }
.guide-item img { width: 96px; height: 96px; object-fit: contain; background: var(--surface-2); border-radius: var(--radius-sm); padding: .5rem; }
.guide-rank { font-family: "Fraunces", serif; font-size: 1.6rem; color: var(--accent); }

.faq-item { border-bottom: 1px solid var(--border); padding-block: 1.1rem; }
.faq-item summary { cursor: pointer; font-weight: 700; }

.legal-body h2 { margin-top: 2rem; }
.legal-body p, .legal-body li { color: var(--ink-soft); margin-bottom: .8rem; }
.legal-body li { padding-left: 1rem; position: relative; }
.legal-body li::before { content: "—"; position: absolute; left: 0; }

/* =============================================================
   6. Reveal
   ============================================================= */
[data-reveal], .reveal-card { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
[data-reveal].is-revealed, .reveal-card.is-revealed { opacity: 1; transform: none; }

/* =============================================================
   7. Responsive
   ============================================================= */
@media (max-width: 1099px) {
  .nav-links { position: fixed; inset: 64px 0 auto 0; background: var(--carbon); flex-direction: column; align-items: stretch; padding: 1rem var(--gutter) 1.5rem; border-bottom: 1px solid var(--carbon-border); transform: translateY(-120%); transition: transform .25s var(--ease-out); gap: .3rem; }
  .nav-links.is-open { transform: translateY(0); }
  .nav-links a { padding: .7rem 0; border-bottom: 1px solid var(--carbon-border); }
  .nav-links a.nav-cta { text-align: center; border-bottom: none; margin-top: .4rem; }
  .nav-toggle { display: block; }
}
@media (max-width: 959px) {
  .hero-inner { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .pros-contras { grid-template-columns: 1fr; }
  .guide-item { grid-template-columns: 64px 1fr; }
  .guide-item img { width: 64px; height: 64px; }
  .guide-item .btn { grid-column: 1 / -1; }
}
@media (max-width: 639px) {
  .cmp-cols { grid-template-columns: 1fr 1fr; }
  .stat-row { gap: 1.4rem; }
}

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

.guide-tabs { display: flex; flex-wrap: wrap; gap: .6rem; margin: 0 0 1.6rem; }
.guide-tabs a { padding: .5rem 1rem; border-radius: 999px; border: 1px solid var(--carbon-border, #2a2f36); font-weight: 600; font-size: .9rem; }
.guide-tabs a[aria-current="page"] { background: var(--accent); color: var(--accent-ink); border-color: transparent; }

.opiniones h3 { font-size: 1rem; margin-bottom: .6rem; }

.legal-body .pendiente { background: #fff3cd; color: #7a5b00; padding: 0 .35rem; border-radius: 4px; }

.aviso-precios { background: #fff4d6; color: #5c4300; border-bottom: 1px solid #ecd493; font-size: .88rem; line-height: 1.45; padding-block: .6rem; }
.aviso-precios strong { color: #3f2e00; }