/* =============================================================
   Clawater — comparativas de fuentes de agua y ósmosis inversa
   1. Tokens
   2. Reset
   3. Typography
   4. Layout shell (header, footer, skip-link)
   5. Buttons & badges
   6. Home (hero, trust block, featured grid, category cards)
   7. Category & listing grid, product card
   8. Ficha de producto
   9. Wheel chart
   10. Comparador
   11. Guías de compra / rankings
   12. Ofertas
   13. Instalación y mantenimiento
   14. Legal pages
   15. Utilities
   16. Responsive (mobile-first, then breakpoints)
   17. Reduced motion
   ============================================================= */

/* -------------------- 1. Tokens -------------------- */
:root{
  --bg: #0B1830;
  --bg-deep: #060D1F;
  --bg-deep-soft: #0E1B3D;
  --card-bg: #14213F;
  --ink: #E7ECFB;
  --ink-soft: #A6B1D6;
  --ink-faint: #6E7897;
  --accent: #6FA1FF;
  --accent-light: #98C0FF;
  --accent-tint: #16264A;
  --gold: #D99A4E;
  --gold-light: #EBBB7E;
  --gold-tint: #2A2013;
  --line: #263257;
  --line-deep: rgba(231,236,251,.14);
  --good: #3ED9A0;
  --good-tint: #123526;
  --bad: #E8735C;
  --bad-light: #F0987F;
  --bad-tint: #2A1B16;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.35);
  --shadow-md: 0 10px 28px rgba(0,0,0,.45);
  --shadow-lg: 0 20px 48px rgba(0,0,0,.55);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-display: "Sora", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --maxw: 1240px;
}

/* -------------------- 2. Reset -------------------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; }
html{ -webkit-text-size-adjust:100%; tab-size:2; scroll-behavior:smooth; }
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:clip;
  overscroll-behavior-y:none;
}
[hidden]{ display:none !important; }
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; }
ul{ list-style:none; padding:0; }
table{ border-collapse:collapse; width:100%; }
h1,h2,h3,h4{ font-family:var(--font-display); text-wrap:balance; line-height:1.08; letter-spacing:-0.01em; font-weight:600; color:var(--ink); }
::selection{ background:var(--accent-light); color:var(--bg); }
:focus-visible{ outline:2px solid var(--gold); outline-offset:3px; border-radius:4px; }

.skip-link{
  position:fixed; top:-100px; left:1rem; z-index:9999;
  padding:.7rem 1.1rem; background:var(--bg-deep); color:var(--ink);
  border-radius:8px; font-weight:600; transition:top .2s var(--ease-out);
}
.skip-link:focus{ top:1rem; }

/* -------------------- 3. Typography -------------------- */
.eyebrow{
  font-family:var(--font-mono); font-size:.75rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--accent); font-weight:500;
}
.lede{ font-size:1.15rem; color:var(--ink-soft); max-width:52ch; }
.section-head{ display:flex; flex-wrap:wrap; align-items:baseline; justify-content:space-between; gap:1rem; margin-bottom:1.75rem; }
.section-head-center{ justify-content:center; text-align:center; }
.section-head h2{ font-size:clamp(1.5rem,2.4vw,2rem); }
.section-head .section-link{ font-family:var(--font-mono); font-size:.85rem; color:var(--accent); white-space:nowrap; border-bottom:1px solid currentColor; padding-bottom:2px; }
.section-head .section-link:hover{ color:var(--gold); }

/* -------------------- 4. Layout shell -------------------- */
.wrap{ max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter); }
main{ display:block; }
section{ padding-block:clamp(2.5rem,6vw,5rem); }

.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(11,24,48,.86); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; gap:1.5rem; padding-block:.85rem; }
.logo{ display:flex; align-items:center; gap:.55rem; font-family:var(--font-display); font-weight:700; font-size:1.15rem; color:var(--ink); flex:none; }
.logo svg{ width:26px; height:26px; flex:none; }

.nav-links{ display:none; align-items:center; gap:1.6rem; font-size:.92rem; font-weight:500; }
.nav-links a{ color:var(--ink-soft); transition:color .18s var(--ease-out); white-space:nowrap; }
.nav-links a:hover, .nav-links a[aria-current="page"]{ color:var(--accent); }
.nav-links a.nav-cta, .nav-links a.nav-cta:hover{
  color:#241505; background:var(--gold); padding:.55rem 1rem; border-radius:99px; font-weight:600;
}
.nav-links a.nav-cta:hover{ background:var(--gold-light); }

.nav-toggle{ display:flex; flex-direction:column; gap:4px; padding:.4rem; }
.nav-toggle span{ width:22px; height:2px; background:var(--ink); border-radius:2px; }
.mobile-menu{ display:none; flex-direction:column; gap:0; border-top:1px solid var(--line); background:var(--bg); }
.mobile-menu.is-open{ display:flex; }
.mobile-menu a{ padding:.9rem var(--gutter); border-bottom:1px solid var(--line); font-weight:500; color:var(--ink); }
.mobile-menu a.nav-cta{ color:var(--gold); font-weight:700; }

.site-footer{ background:var(--bg-deep); color:var(--ink); padding-block:3.5rem 2rem; margin-top:4rem; }
.footer-grid{ display:grid; gap:2.5rem; grid-template-columns:1.3fr 1fr 1fr; }
.footer-brand{ display:flex; align-items:center; gap:.55rem; font-family:var(--font-display); font-weight:700; font-size:1.1rem; margin-bottom:.75rem; }
.footer-brand svg{ width:24px; height:24px; }
.site-footer p{ color:rgba(231,236,251,.65); font-size:.92rem; max-width:38ch; }
.footer-col h3{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:rgba(231,236,251,.55); margin-bottom:.9rem; font-weight:500; }
.footer-col li{ margin-bottom:.55rem; }
.footer-col a{ color:rgba(231,236,251,.85); font-size:.92rem; transition:color .18s; }
.footer-col a:hover{ color:var(--gold-light); }
.footer-bottom{ border-top:1px solid var(--line-deep); margin-top:2.5rem; padding-top:1.5rem; display:flex; flex-wrap:wrap; gap:1rem; justify-content:space-between; align-items:center; }
.footer-disclosure{ font-size:.8rem; color:rgba(231,236,251,.55); max-width:64ch; line-height:1.6; }
.footer-copy{ font-size:.8rem; color:rgba(231,236,251,.45); font-family:var(--font-mono); }

/* -------------------- 5. Buttons & badges -------------------- */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:.5rem; padding:.85rem 1.5rem; border-radius:99px; font-weight:600; font-size:.95rem; transition:transform .18s var(--ease-out), background .18s var(--ease-out), box-shadow .18s var(--ease-out), filter .18s var(--ease-out); white-space:nowrap; }
.btn:active{ transform:scale(.97); }
.btn-buy{ background:linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%); color:#241505; box-shadow:var(--shadow-sm), 0 0 0 1px rgba(217,154,78,.3); }
.btn-buy:hover{ filter:brightness(1.08); box-shadow:var(--shadow-md), 0 0 22px rgba(217,154,78,.35); transform:translateY(-1px); }
.btn-buy svg{ width:16px; height:16px; flex:none; }
.btn-primary{ background:linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%); color:#081226; box-shadow:var(--shadow-sm), 0 0 0 1px rgba(111,161,255,.25); }
.btn-primary:hover{ filter:brightness(1.08); box-shadow:var(--shadow-md), 0 0 22px rgba(111,161,255,.35); transform:translateY(-1px); }
.btn-outline{ border:1.5px solid var(--line); color:var(--ink); background:var(--card-bg); }
.btn-outline:hover{ border-color:var(--accent); color:var(--accent-light); box-shadow:0 0 0 1px var(--accent); }
.btn-block{ width:100%; }
.btn-sm{ padding:.55rem 1rem; font-size:.85rem; }

.badge{ display:inline-flex; align-items:center; justify-content:center; text-align:center; gap:.4rem; font-family:var(--font-mono); font-size:.72rem; font-weight:500; letter-spacing:.02em; padding:.35rem .7rem; border-radius:99px; }
.badge svg{ width:13px; height:13px; flex:none; }
.badge-muestra{ background:var(--card-bg); border:1px dashed var(--ink-faint); color:var(--ink-soft); }
.badge-oferta{ background:var(--gold); color:#241505; font-family:var(--font-display); font-weight:700; letter-spacing:0; font-size:.78rem; }
.badge-featured{ background:var(--bg-deep); color:var(--ink); }

.sample-strip{
  background:var(--bg-deep); color:var(--ink); font-family:var(--font-mono); font-size:.82rem;
  text-align:center; padding:.65rem var(--gutter); letter-spacing:.02em;
}
.sample-strip strong{ color:var(--gold-light); }

/* -------------------- 6. Home -------------------- */
.hero{ padding-block:clamp(2.5rem,6vw,4.5rem); }
.hero-photo{
  background-image:
    linear-gradient(180deg, rgba(11,24,48,.88) 0%, rgba(11,24,48,.88) 55%, rgba(11,24,48,.55) 100%),
    url('assets/img/hero-bg.webp');
  background-size:cover;
  background-position:center;
  background-blend-mode:multiply;
}
.hero .wrap{ display:grid; gap:3rem; grid-template-columns:1fr; align-items:center; width:100%; }
.hero-copy{ max-width:640px; }
.hero-copy h1{ font-size:clamp(2.3rem,5vw,3.6rem); margin-block:1rem 1.25rem; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:.9rem; margin-top:2rem; }
.hero-stats{ display:flex; gap:2rem; margin-top:2.5rem; flex-wrap:wrap; }
.hero-stat b{ display:block; font-family:var(--font-display); font-size:1.5rem; color:var(--ink); }
.hero-stat span{ font-size:.82rem; color:var(--ink-soft); }

.trust-block{ background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-lg); padding:clamp(1.75rem,4vw,3rem); container-type:inline-size; }
.trust-grid{ display:grid; gap:1.75rem; grid-template-columns:1fr; margin-top:2rem; }
@container (min-width: 420px){
  .trust-grid{ grid-template-columns:repeat(2,1fr); }
}
.trust-item{ display:flex; gap:1rem; }
.trust-item .icon{ flex:none; width:20px; height:20px; color:var(--accent); margin-top:.2rem; }
.trust-item .icon svg{ width:100%; height:100%; fill:currentColor; }
.trust-item h3{ font-size:1.05rem; margin-bottom:.35rem; }
.trust-item p{ color:var(--ink-soft); font-size:.94rem; }

.category-grid{ display:grid; gap:1.1rem; grid-template-columns:repeat(auto-fit, minmax(220px, 260px)); justify-content:center; }
.category-card{ display:flex; align-items:center; justify-content:center; text-align:center; background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-md); padding:1.75rem 1.25rem; transition:border-color .2s var(--ease-out), transform .2s var(--ease-out), box-shadow .2s var(--ease-out); }
.category-card:hover{ border-color:var(--accent); transform:translateY(-3px); box-shadow:var(--shadow-md); }
.category-card h3{ font-size:1.05rem; }
.category-card.is-active{ border-color:var(--accent); background:var(--accent-tint); }
.category-card.is-active h3{ color:var(--accent-light); }
.category-grid-inline{ grid-template-columns:repeat(auto-fit, minmax(180px, 220px)); justify-content:start; }
.category-grid-inline .category-card{ padding:1.1rem 1rem; }
.category-grid-inline .category-card h3{ font-size:.92rem; }

.install-cta-banner{
  background-image:
    linear-gradient(100deg, var(--bg-deep) 0%, var(--bg-deep) 42%, rgba(6,13,31,.72) 65%, rgba(6,13,31,.5) 100%),
    url('assets/img/install-bg.webp');
  background-size:cover; background-position:center; background-blend-mode:multiply;
  color:var(--ink); border-radius:var(--radius-lg); padding:clamp(2rem,5vw,3rem);
  display:grid; gap:1.75rem; grid-template-columns:1fr; align-items:center;
}
.install-cta-banner .badge-oferta{ margin-bottom:.9rem; }
.install-cta-banner h2{ color:var(--ink); font-size:clamp(1.4rem,3vw,1.9rem); }
.install-cta-banner p{ color:rgba(231,236,251,.8); max-width:52ch; }
.install-cta-banner .price-tag{ color:var(--gold-light); max-width:none; }
.install-cta-banner .zone-note{ font-family:var(--font-body); font-size:.85rem; color:var(--bad-light); margin-top:1.1rem; max-width:none; }

.install-gift{ display:flex; flex-wrap:wrap; gap:.5rem .85rem; align-items:center; background:rgba(231,236,251,.05); border:1px solid var(--line-deep); border-radius:var(--radius-md); padding:.55rem .7rem; margin-top:1.4rem; }
.install-gift img{ width:56px; height:56px; object-fit:contain; background:var(--accent-tint); border-radius:8px; padding:.3rem; flex:none; }
.install-gift-info{ min-width:0; flex:1 1 140px; }
.install-gift-badge{ display:inline-block; font-family:var(--font-body); font-weight:600; font-size:.68rem; letter-spacing:.02em; text-transform:uppercase; color:var(--good); background:var(--good-tint); padding:.2rem .5rem; border-radius:99px; margin-bottom:.3rem; }
.install-cta-banner .install-gift-name{ color:var(--ink); font-weight:600; font-size:.88rem; max-width:none; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.install-gift-cta{ flex:none; }
@media (max-width: 480px){
  .install-gift-cta{ flex-basis:100%; }
}

/* -------------------- 7. Category grid & product card -------------------- */
.filters-bar{ display:flex; flex-wrap:wrap; gap:.7rem; align-items:center; margin-bottom:1.75rem; padding-bottom:1.5rem; border-bottom:1px solid var(--line); }
.filters-bar select{ font-family:var(--font-body); font-size:.85rem; padding:.55rem .8rem; border-radius:8px; border:1px solid var(--line); background:var(--card-bg); color:var(--ink); }
.filters-bar .count{ margin-left:auto; font-family:var(--font-mono); font-size:.8rem; color:var(--ink-soft); }

.products-grid{ display:grid; gap:1.5rem; grid-template-columns:1fr; }
.product-card{ background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; display:flex; flex-direction:column; transition:transform .2s var(--ease-out), box-shadow .2s var(--ease-out); }
.product-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.product-card .thumb{ aspect-ratio:4/3; background:var(--accent-tint); position:relative; }
.product-card .thumb img{ width:100%; height:100%; object-fit:contain; padding:1rem; }
.product-card .thumb-badges{ position:absolute; top:.75rem; left:.75rem; display:flex; gap:.4rem; flex-wrap:wrap; }
.product-card .body{ padding:1.25rem; display:flex; flex-direction:column; gap:.65rem; flex:1; }
.product-card .marca{ font-family:var(--font-mono); font-size:.72rem; color:var(--ink-faint); letter-spacing:.05em; text-transform:uppercase; }
.product-card h3{ font-size:1.08rem; }
.product-card h3 a:hover{ color:var(--accent); }
.product-card .rating{ display:flex; align-items:center; gap:.4rem; font-size:.82rem; color:var(--ink-soft); }
.rating{ display:flex; align-items:center; gap:.4rem; }
.rating svg{ width:14px; height:14px; fill:var(--gold); flex:none; }
.rating-none{ color:var(--ink-faint); font-style:italic; }

.gauge{ display:flex; align-items:center; gap:.6rem; margin-top:.15rem; }
.gauge-track{ flex:1; display:flex; gap:2px; }
.gauge-seg{ height:6px; flex:1; border-radius:2px; background:var(--line); }
.gauge-seg.is-filled{ background:var(--accent); }
.gauge-label{ font-family:var(--font-mono); font-size:.74rem; color:var(--ink-soft); flex:none; }

.product-card .price-row{ display:flex; align-items:baseline; gap:.55rem; margin-top:.3rem; }
.price-now{ font-family:var(--font-display); font-size:1.3rem; font-weight:700; color:var(--ink); }
.price-was{ font-size:.85rem; color:var(--ink-faint); text-decoration:line-through; }
.price-note{ font-family:var(--font-mono); font-size:.7rem; color:var(--ink-faint); }
.product-card .actions{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top:.4rem; }
.product-card .actions .btn{ flex:1 1 auto; min-width:0; }
.product-card .actions [data-compare-toggle]{ flex-basis:100%; }

.install-note{ display:flex; align-items:flex-start; gap:.5rem; font-size:.82rem; padding:.65rem .75rem; border-radius:8px; border:1px solid transparent; }
.install-note.si{ background:rgba(62,217,160,.1); border-color:rgba(62,217,160,.3); color:var(--good); }
.install-note.no{ background:rgba(232,115,92,.1); border-color:rgba(232,115,92,.3); color:var(--bad-light); }
.install-note svg{ width:15px; height:15px; flex:none; margin-top:1px; }

.empty-state{ border:1px dashed var(--line); border-radius:var(--radius-md); padding:3rem 1.5rem; text-align:center; color:var(--ink-soft); }
.empty-state h3{ margin-bottom:.5rem; color:var(--ink); }

/* -------------------- 8. Ficha de producto -------------------- */
.ficha-crumbs{ font-family:var(--font-mono); font-size:.78rem; color:var(--ink-faint); margin-bottom:1.5rem; }
.ficha-crumbs a:hover{ color:var(--accent); }
.ficha-top{ display:grid; gap:2.5rem; grid-template-columns:1fr; }

.ficha-galeria{ display:flex; flex-direction:column; gap:.8rem; }
.ficha-img-main{ background:var(--accent-tint); border-radius:var(--radius-lg); aspect-ratio:4/3; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.ficha-img-main img{ width:100%; height:100%; object-fit:contain; padding:1.5rem; }
.ficha-thumbs{ display:flex; gap:.6rem; }
.ficha-thumbs button{ width:64px; height:64px; border-radius:10px; background:var(--accent-tint); padding:.4rem; border:2px solid transparent; }
.ficha-thumbs button.is-active{ border-color:var(--accent); }
.ficha-thumbs img{ width:100%; height:100%; object-fit:contain; }

.ficha-head .marca{ font-family:var(--font-mono); font-size:.78rem; color:var(--accent); letter-spacing:.06em; text-transform:uppercase; }
.ficha-head h1{ font-size:clamp(1.7rem,3.4vw,2.35rem); margin-block:.5rem .7rem; }
.ficha-rating{ display:flex; align-items:center; gap:.5rem; font-size:.92rem; color:var(--ink-soft); margin-bottom:1.1rem; }
.ficha-rating svg{ width:16px; height:16px; fill:var(--gold); }
.ficha-badges{ display:flex; flex-wrap:wrap; gap:.5rem; margin-bottom:1.2rem; }

.ficha-precio{ background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-md); padding:1.25rem 1.4rem; margin-bottom:1.2rem; }
.ficha-precio .precio-actual{ font-family:var(--font-display); font-size:2rem; font-weight:700; color:var(--ink); }
.ficha-precio .precio-antes{ font-size:1rem; color:var(--ink-faint); text-decoration:line-through; margin-left:.6rem; }
.ficha-precio .precio-nota{ display:block; font-family:var(--font-mono); font-size:.76rem; color:var(--ink-faint); margin-top:.4rem; }

.install-block{ border-radius:var(--radius-md); padding:1.1rem 1.3rem; margin-bottom:1.4rem; border:1px solid transparent; }
.install-block.si{ background:rgba(62,217,160,.1); border-color:rgba(62,217,160,.3); }
.install-block.no{ background:rgba(232,115,92,.1); border-color:rgba(232,115,92,.3); }
.install-block .headline{ display:flex; align-items:center; gap:.55rem; font-weight:600; margin-bottom:.35rem; }
.install-block .headline svg{ width:1.3em; height:1.3em; flex:none; }
.install-block.si .headline{ color:var(--good); }
.install-block.no .headline{ color:var(--bad-light); }
.install-block p{ font-size:.88rem; color:var(--ink); }
.install-block a{ font-weight:600; text-decoration:underline; }

.ficha-wheel{ background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-lg); padding:clamp(1.5rem,4vw,2.25rem); margin-top:3rem; }
.ficha-wheel h2{ margin-bottom:.3rem; }
.ficha-wheel .nota{ font-size:.85rem; color:var(--ink-soft); margin-bottom:1.2rem; }
.wheel-figure{ display:flex; justify-content:center; }
.wheel-group{ display:flex; flex-direction:column; align-items:center; gap:.6rem; }
.wheel-group-label{ font-family:var(--font-display); font-weight:600; font-size:.9rem; color:var(--ink); text-align:center; }
.wheel-legend{ display:grid; gap:.55rem; max-width:420px; margin:1.5rem auto 0; }
.wheel-legend-row{ display:flex; align-items:center; gap:.65rem; font-size:.85rem; color:var(--ink-soft); padding:.4rem .6rem; border-radius:8px; }
.wheel-legend-row:nth-child(odd){ background:rgba(231,236,251,.03); }
.wheel-dot{ width:12px; height:12px; border-radius:50%; flex:none; }
.wheel-label{ flex:1; color:var(--ink); }
.wheel-val{ font-family:var(--font-mono); font-weight:600; color:var(--ink-soft); }
.wheel-val.best{ color:var(--good); }
.wheel-sep{ color:var(--ink-faint); margin:0 .15rem; }

.ficha-specs{ margin-top:3rem; }
.spec-group{ margin-bottom:1.6rem; }
.spec-group h3{ font-family:var(--font-mono); font-size:.78rem; letter-spacing:.08em; text-transform:uppercase; color:var(--accent); margin-bottom:.6rem; font-weight:500; }
.spec-table{ background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-md); overflow:hidden; }
.spec-table tr{ border-bottom:1px solid var(--line); }
.spec-table tr:last-child{ border-bottom:none; }
.spec-table th,.spec-table td{ text-align:left; padding:.75rem 1.1rem; font-size:.9rem; }
.spec-table th{ font-weight:500; color:var(--ink-soft); width:55%; }
.spec-table td{ font-family:var(--font-mono); color:var(--ink); font-weight:500; }
.spec-table td.null{ color:var(--ink-faint); font-weight:400; }
details.specs-extra{ margin-top:1rem; font-size:.9rem; }
details.specs-extra summary{ cursor:pointer; color:var(--accent); font-weight:500; }
details.specs-extra .extra-table{ margin-top:.8rem; }

.ficha-editorial{ margin-top:3rem; max-width:760px; margin-inline:auto; }
.pros-contras{ display:grid; gap:1.25rem; grid-template-columns:1fr; }
.pc-col{ background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-md); padding:1.25rem 1.4rem; }
.pc-col h3{ display:flex; align-items:center; gap:.5rem; font-size:1rem; margin-bottom:.75rem; }
.pc-col.pros h3{ color:var(--good); }
.pc-col.contras h3{ color:var(--bad); }
.pc-col h3 svg{ width:1.15em; height:1.15em; flex:none; }
.pc-col li{ display:flex; gap:.55rem; font-size:.9rem; margin-bottom:.6rem; color:var(--ink); }
.pc-col li svg{ width:1.1em; height:1.1em; flex:none; margin-top:.1em; }
.pc-col.pros li svg{ fill:var(--good); }
.pc-col.contras li svg{ fill:var(--bad); }

.ideal-para{ margin-top:1.5rem; background:var(--accent-tint); border-radius:var(--radius-md); padding:1.1rem 1.4rem; font-size:.94rem; }
.ideal-para strong{ color:var(--accent); }

.ficha-resenas{ margin-top:3rem; max-width:760px; margin-inline:auto; }
.resenas-resumen{ font-size:.98rem; color:var(--ink); margin-bottom:1.5rem; }
.review-item{ border-top:1px solid var(--line); padding-block:1.1rem; }
.review-item .review-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:.4rem; font-size:.88rem; }
.review-item .autor{ font-weight:600; }
.review-item .stars{ color:var(--gold); font-size:.85rem; }
.review-item p{ font-size:.9rem; color:var(--ink-soft); }
.review-verified{ display:inline-flex; align-items:center; gap:.3rem; font-family:var(--font-mono); font-size:.72rem; color:var(--good); }
.review-verified svg{ width:1.1em; height:1.1em; flex:none; }

.ficha-comparar{ margin-top:3rem; background:var(--accent-tint); border:1px solid var(--line); border-radius:var(--radius-lg); padding:clamp(1.5rem,4vw,2.25rem); display:flex; flex-wrap:wrap; gap:1.5rem; align-items:center; justify-content:space-between; }
.ficha-comparar h2{ font-size:1.15rem; margin-bottom:.35rem; }
.ficha-comparar .nota{ color:var(--ink-soft); font-size:.9rem; max-width:42ch; }
.ficha-comparar-actions{ display:flex; flex-wrap:wrap; gap:.75rem; flex:none; }
.similares{ margin-top:3rem; }
.similares .products-grid{ grid-template-columns:1fr; }

.aviso-afiliados{ margin-top:3.5rem; font-size:.82rem; color:var(--ink-faint); border-top:1px solid var(--line); padding-top:1.5rem; }

/* sticky buy bar on mobile fichas */
.buy-sticky{ position:fixed; left:0; right:0; bottom:0; z-index:90; background:var(--card-bg); border-top:1px solid var(--line); padding:.85rem var(--gutter); display:flex; align-items:center; gap:1rem; box-shadow:0 -8px 24px rgba(11,19,48,.1); }
.buy-sticky .price-now{ font-size:1.15rem; }
.buy-sticky .btn{ flex:1; }

/* -------------------- 9. Wheel chart (drawn by JS) -------------------- */
.wheel-svg{ overflow:visible; }
.wheel-svg .wheel-wedge{ cursor:pointer; outline:none; }
.wheel-svg .wheel-wedge .wheel-track,
.wheel-svg .wheel-wedge .wheel-seg{
  transform-box:fill-box; transform-origin:center;
  transition:transform .16s var(--ease-out), filter .16s var(--ease-out), opacity .16s var(--ease-out);
}
.wheel-svg .wheel-track{ fill:var(--line); opacity:.4; }
.wheel-svg .wheel-wedge:hover .wheel-seg,
.wheel-svg .wheel-wedge:focus-visible .wheel-seg{ transform:scale(1.08); filter:brightness(1.2) drop-shadow(0 0 6px var(--wedge-color)); }
.wheel-svg .wheel-wedge:hover .wheel-track,
.wheel-svg .wheel-wedge:focus-visible .wheel-track{ transform:scale(1.08); opacity:.6; }
.wheel-svg .wheel-backing{ fill:var(--card-bg); }
.wheel-svg .wheel-center-value{ font-family:var(--font-display); font-weight:700; fill:var(--ink); }
.wheel-svg .wheel-center-label{ font-family:var(--font-mono); font-size:9px; fill:var(--ink-faint); text-transform:uppercase; letter-spacing:.06em; }

.wheel-tooltip{
  position:fixed; z-index:1000; transform:translate(-50%,-130%);
  background:var(--bg-deep); color:var(--ink); border:1px solid var(--line);
  padding:.45rem .7rem; border-radius:8px; font-size:.8rem; white-space:nowrap;
  box-shadow:var(--shadow-md); pointer-events:none;
  opacity:0; visibility:hidden; transition:opacity .12s var(--ease-out);
}
.wheel-tooltip.is-visible{ opacity:1; visibility:visible; }
.wheel-tooltip b{ color:var(--accent-light); }

/* -------------------- 10. Comparador -------------------- */
.product-card.is-selected{ outline:2px solid var(--accent); outline-offset:2px; }

.compare-hint{ font-family:var(--font-mono); font-size:.82rem; letter-spacing:.06em; text-transform:uppercase; color:var(--accent); margin-bottom:1rem; }
.compare-slots{ display:flex; flex-wrap:wrap; gap:1rem; margin-bottom:2rem; }
.slot-wrap{ position:relative; padding-top:12px; padding-right:12px; }
.compare-slot{ width:150px; padding:.9rem; border-radius:var(--radius-md); border:1.5px dashed var(--line); text-align:center; background:var(--bg); }
.compare-slot.is-filled{ border-style:solid; border-color:var(--accent); background:var(--card-bg); }
.compare-slot img{ width:100%; aspect-ratio:1/1; object-fit:contain; background:var(--accent-tint); border-radius:8px; margin-bottom:.5rem; padding:.4rem; }
.compare-slot b{ display:block; font-size:.8rem; line-height:1.3; }
.remove-badge{ position:absolute; top:0; right:0; width:24px; height:24px; border-radius:50%; background:var(--bg-deep); color:var(--ink); font-size:.9rem; display:flex; align-items:center; justify-content:center; }

.comparador-result{ display:none; }
.comparador-result.is-active{ display:block; margin-bottom:3rem; }

.compare-wheel-wrap{ background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-lg); padding:clamp(1.5rem,4vw,2.25rem); margin-bottom:2rem; }
.compare-wheel-figures{ display:flex; flex-wrap:wrap; justify-content:center; gap:2rem; }

.compare-table-wrap{ overflow-x:auto; background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-lg); }
.compare-table{ min-width:640px; }
.compare-table th,.compare-table td{ padding:.9rem 1.1rem; text-align:left; border-bottom:1px solid var(--line); font-size:.88rem; vertical-align:top; }
.compare-table thead th{ font-family:var(--font-display); font-weight:700; color:var(--ink); position:sticky; top:0; background:var(--card-bg); }
.compare-table .row-label{ font-weight:500; color:var(--ink-soft); white-space:nowrap; }
.compare-table td.best{ background:var(--good-tint); font-weight:600; color:#0B6A50; }
.compare-table td.value{ font-family:var(--font-mono); }
.compare-table .col-buy{ padding-top:1.2rem; }
.compare-table thead .prod-cell{ display:flex; flex-direction:column; gap:.5rem; }
.compare-table thead .prod-cell img{ width:60px; height:60px; object-fit:contain; background:var(--accent-tint); border-radius:8px; padding:.35rem; }

/* -------------------- 11. Guías de compra -------------------- */
.guide-hero{ max-width:74ch; }
.guide-hero .lede{ margin-top:1rem; }
.criteria-list{ display:grid; gap:1.4rem; grid-template-columns:1fr; margin-block:2.5rem; }
.criteria-item{ display:flex; gap:1.1rem; }
.criteria-item .drop{ flex:none; width:34px; height:34px; }
.criteria-item h3{ font-size:1.05rem; margin-bottom:.35rem; }
.criteria-item p{ color:var(--ink-soft); font-size:.92rem; }
.guide-shortlist{ margin-top:3rem; }

/* -------------------- 12. Ofertas -------------------- */
.ofertas-hero{ max-width:64ch; }

/* -------------------- 13. Instalación y mantenimiento -------------------- */
.install-page-hero h1{ color:var(--ink); font-size:clamp(1.9rem,4vw,2.6rem); }
.criteria-list-3{ margin-block:2.5rem; }
.price-tag{ display:flex; align-items:center; gap:.7rem; font-family:var(--font-display); font-size:clamp(1.9rem,4vw,2.4rem); font-weight:700; color:var(--gold-light); margin-block:1rem .3rem; }
.price-tag-was-wrap{ display:flex; flex-direction:column; align-items:center; line-height:1.25; }
.price-tag-was-label{ font-family:var(--font-body); font-size:.68rem; letter-spacing:.03em; margin-right:-.03em; text-transform:uppercase; color:var(--ink-faint); }
.price-tag-was{ font-family:var(--font-body); font-size:1.15rem; font-weight:500; color:var(--ink-faint); text-decoration:line-through; }
.zone-warning{ display:flex; align-items:flex-start; gap:.6rem; background:rgba(232,115,92,.1); border:1px solid rgba(232,115,92,.3); border-radius:var(--radius-md); padding:1.1rem 1.4rem; font-size:.9rem; color:var(--bad-light); margin-top:2rem; }

.install-form-section{ display:grid; gap:2rem; margin-top:2.5rem; align-items:start; }
.install-form-wrap{ max-width:520px; background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-lg); padding:clamp(1.5rem,4vw,2.25rem); }
.install-form-wrap h2{ font-size:1.25rem; margin-bottom:.4rem; }
.install-form-wrap .nota{ font-size:.88rem; color:var(--ink-soft); margin-bottom:1.5rem; }
.install-form-wrap .nota a{ color:var(--accent-light); text-decoration:underline; }
.install-form{ display:flex; flex-direction:column; gap:.9rem; }
.install-form-row{ display:flex; flex-wrap:wrap; gap:.9rem; }
.install-form-row input{ flex:1; min-width:160px; }
.install-form input, .install-form select{
  font-family:var(--font-body); font-size:.95rem; padding:.8rem 1rem; border-radius:10px;
  border:1px solid var(--line); background:var(--bg); color:var(--ink);
}
.install-form select:invalid{ color:var(--ink-faint); }
.install-form input::placeholder{ color:var(--ink-faint); }
.install-form input:focus-visible, .install-form select:focus-visible{ outline:2px solid var(--accent); outline-offset:1px; }
.install-form-fieldset{ border:1px solid var(--line); border-radius:10px; padding:.85rem 1rem; }
.install-form-fieldset legend{ padding:0 .4rem; font-size:.88rem; color:var(--ink-soft); }
.install-form-radios{ display:flex; gap:1.5rem; }
.install-form-radios label{ display:flex; align-items:center; gap:.5rem; font-size:.95rem; color:var(--ink); cursor:pointer; }
.install-form-radios input[type="radio"]{ width:16px; height:16px; accent-color:var(--accent); }
.install-form-conditional{ display:flex; flex-direction:column; gap:.4rem; }
.install-form-conditional label{ font-size:.88rem; color:var(--ink-soft); }
.install-form button[disabled]{ opacity:.6; cursor:default; }
.install-form-status{ font-size:.88rem; min-height:1.2em; }
.install-form-status.is-success{ color:var(--good); }
.install-form-status.is-error{ color:var(--bad-light); }
.zone-warning svg{ width:1.3em; height:1.3em; flex:none; margin-top:.1em; }

.install-carousel-wrap{ display:flex; flex-direction:column; align-items:center; gap:1rem; text-align:center; }
.carousel{ width:100%; max-width:560px; }
.carousel-photo-wrap{ position:relative; }
.carousel-photo{
  display:none; aspect-ratio:4/3; border-radius:var(--radius-lg); border:1px solid var(--line);
  background:var(--accent-tint); align-items:center; justify-content:center;
}
.carousel-photo.is-active{ display:flex; }
.carousel-photo svg{ width:18%; height:18%; color:var(--accent); opacity:.45; fill:currentColor; }
.carousel-quote-slide{ display:none; margin-top:1.4rem; }
.carousel-quote-slide.is-active{ display:block; }
.carousel-quote-slide p{ font-family:var(--font-display); font-size:clamp(1.05rem,2.2vw,1.3rem); font-weight:600; color:var(--ink); line-height:1.4; }
.carousel-quote-slide cite{ display:block; margin-top:.6rem; font-style:normal; font-size:.85rem; color:var(--ink-faint); }
.carousel-arrow{
  position:absolute; top:50%; transform:translateY(-50%); width:40px; height:40px; border-radius:50%;
  background:rgba(6,13,31,.55); backdrop-filter:blur(4px); border:1px solid var(--line-deep); color:var(--ink);
  display:flex; align-items:center; justify-content:center; font-size:1.4rem; line-height:1;
  transition:border-color .18s var(--ease-out), color .18s var(--ease-out), background .18s var(--ease-out);
}
.carousel-arrow:hover{ border-color:var(--accent); color:var(--accent-light); background:rgba(6,13,31,.75); }
.carousel-prev{ left:12px; }
.carousel-next{ right:12px; }
.carousel-dots{ display:flex; justify-content:center; gap:.5rem; margin-top:1.2rem; }
.carousel-dot{ width:8px; height:8px; border-radius:50%; background:var(--line); }
.carousel-dot.is-active{ background:var(--accent); }

/* -------------------- 14. Legal pages -------------------- */
.legal-content{ max-width:70ch; }
.legal-content h2{ margin-top:2.2rem; margin-bottom:.7rem; font-size:1.25rem; }
.legal-content p{ margin-bottom:1rem; color:var(--ink); }
.legal-content ul{ list-style:disc; padding-left:1.4rem; margin-bottom:1rem; }
.legal-content li{ margin-bottom:.4rem; }

/* -------------------- 15. Utilities -------------------- */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.is-visually-hidden{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }
/* [data-reveal] is fully visible by default (works without JS / if JS fails).
   JS adds .reveal-armed right before observing, THEN hides+animates it in —
   never the other way around. See main.js initReveal(). */
[data-reveal].reveal-armed{ opacity:0; transform:translateY(14px); transition:opacity .6s var(--ease-out), transform .6s var(--ease-out); }
[data-reveal].reveal-armed.is-visible{ opacity:1; transform:none; }

/* -------------------- 16. Responsive -------------------- */
@media (min-width: 540px){
  .footer-bottom{ flex-wrap:nowrap; }
  .products-grid{ grid-template-columns:repeat(2,1fr); }
  .pros-contras{ grid-template-columns:repeat(2,1fr); }
}
@media (min-width: 720px){
  .nav-links{ display:flex; }
  .nav-toggle{ display:none; }
  .mobile-menu{ display:none !important; }
  .hero-photo{
    min-height:480px; display:flex; align-items:center;
    background-image:
      linear-gradient(100deg, var(--bg) 0%, var(--bg) 42%, rgba(11,24,48,.7) 60%, rgba(11,24,48,.5) 80%, rgba(11,24,48,.4) 100%),
      url('assets/img/hero-bg.webp');
    background-blend-mode:multiply;
  }
  .hero .wrap{ grid-template-columns:1.15fr .85fr; }
  .ficha-top{ grid-template-columns:.9fr 1.1fr; }
  .install-cta-banner{ grid-template-columns:1.4fr auto; }
  .criteria-list{ grid-template-columns:repeat(2,1fr); }
}
@media (min-width: 960px){
  .products-grid{ grid-template-columns:repeat(3,1fr); }
  .similares .products-grid{ grid-template-columns:repeat(3,1fr); }
  .buy-sticky{ display:none; }
  .criteria-list-3{ grid-template-columns:repeat(3,1fr); }
  .install-form-section{ grid-template-columns:520px 1fr; align-items:start; }
}
@media (min-width: 1280px){
  .products-grid{ grid-template-columns:repeat(4,1fr); }
}

/* -------------------- 17. Reduced motion -------------------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  [data-reveal]{ opacity:1; transform:none; transition:none; }
  .product-card, .category-card{ transition:none; }
}