/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #fbf8f3;
  --bg-alt: #f2ece1;
  --surface: #ffffff;
  --ink: #1c2430;
  --ink-soft: #4a5568;
  --line: #e4ddd0;

  --navy: #14213a;
  --navy-soft: #26324a;
  --amber: #e08a2c;
  --amber-deep: #b5691a;
  --teal: #1f6f6b;

  --accent: var(--amber);
  --accent-ink: #ffffff;
  --success: #2e7d4f;
  --danger: #b3261e;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;

  --shadow-s: 0 1px 3px rgba(20, 33, 58, .08);
  --shadow-m: 0 8px 24px rgba(20, 33, 58, .10);
  --shadow-l: 0 20px 48px rgba(20, 33, 58, .16);

  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --container: 1180px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; 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: 1.1; font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; }
ul, ol { list-style: none; padding: 0; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--amber); color: #fff; }
:focus-visible { outline: 2px solid var(--amber-deep); outline-offset: 3px; border-radius: 4px; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(3rem, 7vw, 6rem); }
.section-head { max-width: 640px; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head p { color: var(--ink-soft); margin-top: .6rem; font-size: 1.05rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--amber-deep); margin-bottom: .75rem;
}
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--navy); color: #fff; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }
.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;
}
[hidden] { display: none !important; }

/* =============================================================
   4. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.5rem; border-radius: 999px; font-weight: 600; font-size: .98rem;
  transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out), background .2s var(--ease-out);
  white-space: nowrap;
}
.btn-primary { background: var(--amber); color: #fff; box-shadow: var(--shadow-s); }
.btn-primary:hover { background: var(--amber-deep); transform: translateY(-1px); box-shadow: var(--shadow-m); }
.btn-ghost { background: transparent; color: var(--navy); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--navy); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none !important; }

.badge {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .35rem .75rem; border-radius: 999px; background: var(--bg-alt);
  font-size: .8rem; font-weight: 600; color: var(--navy-soft);
}

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-l);
  box-shadow: var(--shadow-s); padding: 1.75rem;
}

.field { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1.1rem; }
.field label { font-weight: 600; font-size: .92rem; }
.field .hint { font-size: .8rem; color: var(--ink-soft); }
.field input, .field textarea, .field select {
  padding: .75rem .9rem; border: 1.5px solid var(--line); border-radius: var(--radius-s);
  background: #fff; font-size: 1rem;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--amber); }
.field textarea { resize: vertical; min-height: 90px; }
.field-error { color: var(--danger); font-size: .82rem; }

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 248, 243, .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; flex-wrap: wrap; row-gap: .6rem; align-items: center; justify-content: space-between; padding-block: 1rem; }
.nav-logo { font-family: var(--serif); font-weight: 700; font-size: 1.3rem; color: var(--navy); display: flex; align-items: center; gap: .5rem; }
.nav-logo .dot { width: .55rem; height: .55rem; border-radius: 999px; background: var(--amber); }
.nav-links { display: flex; flex-wrap: wrap; gap: .9rem 1.5rem; font-weight: 600; font-size: .85rem; }
.nav-links a:hover { color: var(--amber-deep); }
@media (min-width: 720px) { .nav-links { gap: 2rem; font-size: .95rem; } }

/* =============================================================
   6. Hero
   ============================================================= */
.hero { padding-block: clamp(3rem, 8vw, 6rem) clamp(2.5rem, 6vw, 4rem); }
.hero-grid { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.1fr .9fr; } }
.hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); color: var(--navy); }
.hero h1 em { font-style: normal; color: var(--amber-deep); }
.hero-lead { margin-top: 1.1rem; font-size: 1.15rem; color: var(--ink-soft); max-width: 46ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.75rem; }
.hero-trustbar { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-top: 2.25rem; }
.hero-trustbar .item { display: flex; align-items: center; gap: .5rem; font-size: .88rem; color: var(--ink-soft); font-weight: 600; }
.hero-art {
  background: linear-gradient(155deg, var(--navy), var(--navy-soft));
  border-radius: var(--radius-l); padding: 2.25rem; color: #fff; box-shadow: var(--shadow-l);
}
.hero-art .stat { font-family: var(--serif); font-size: 2.4rem; color: var(--amber); }
.hero-art .stat + p { color: #cfd6e4; margin-top: .25rem; }
.hero-art hr { border: none; border-top: 1px solid rgba(255,255,255,.15); margin-block: 1.5rem; }

/* =============================================================
   7. Recomendador IA
   ============================================================= */
.recomendador { background: var(--bg-alt); border-radius: var(--radius-l); padding: clamp(1.75rem, 4vw, 3rem); }
.recomendador-form { display: grid; gap: 1rem; margin-top: 1.25rem; }
@media (min-width: 720px) { .recomendador-form { grid-template-columns: 1fr auto; align-items: start; } }
.recomendador-form textarea { min-height: 96px; }
.recomendador-chips { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .9rem; }
.chip {
  padding: .45rem .9rem; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; font-size: .85rem; font-weight: 600; color: var(--navy-soft);
  transition: border-color .2s, color .2s;
}
.chip:hover { border-color: var(--amber); color: var(--amber-deep); }

.resultado { margin-top: 2rem; }
.resultado-razon {
  background: #fff; border-left: 4px solid var(--amber); border-radius: var(--radius-s);
  padding: 1rem 1.25rem; font-size: .95rem; color: var(--ink-soft); margin-bottom: 1.5rem;
}
.resultado-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.estado-vacio, .estado-cargando, .estado-error {
  display: none; align-items: center; gap: .75rem; color: var(--ink-soft); font-size: .95rem; padding: 1rem 0;
}
.estado-error { color: var(--danger); }

/* =============================================================
   8. Producto (card + tabla)
   ============================================================= */
.producto-card { display: flex; flex-direction: column; gap: 1rem; }
.producto-card .gama { align-self: flex-start; }
.producto-card h3 { font-size: 1.3rem; color: var(--navy); }
.producto-card .marca { color: var(--ink-soft); font-size: .88rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.producto-specs { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem 1rem; font-size: .88rem; padding-block: .5rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.producto-specs dt { color: var(--ink-soft); }
.producto-specs dd { font-weight: 700; color: var(--navy); }
.producto-precio { display: flex; align-items: baseline; gap: .5rem; }
.producto-precio .valor { font-family: var(--serif); font-size: 1.9rem; color: var(--navy); }
.producto-precio .nota { font-size: .78rem; color: var(--ink-soft); }
.producto-ideal { font-size: .88rem; color: var(--ink-soft); background: var(--bg-alt); border-radius: var(--radius-s); padding: .7rem .9rem; }
.producto-acciones { display: flex; gap: .6rem; margin-top: auto; }
.producto-compare-toggle { display: flex; align-items: center; gap: .5rem; font-size: .85rem; font-weight: 600; color: var(--ink-soft); }

.catalogo-filtros { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 1.75rem; }
.catalogo-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.comparador-bar {
  position: sticky; bottom: 0; z-index: 90; background: var(--navy); color: #fff;
  border-radius: var(--radius-l) var(--radius-l) 0 0; padding: 1rem 1.5rem;
  display: none; align-items: center; justify-content: space-between; gap: 1rem; box-shadow: var(--shadow-l);
  margin-top: 2rem;
}
.comparador-bar.is-visible { display: flex; }
.comparador-bar span { font-weight: 600; font-size: .92rem; }

.tabla-comparativa { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius-m); overflow: hidden; box-shadow: var(--shadow-s); }
.tabla-comparativa th, .tabla-comparativa td { padding: .85rem 1rem; text-align: left; border-bottom: 1px solid var(--line); font-size: .92rem; }
.tabla-comparativa th { background: var(--bg-alt); color: var(--navy); }
.tabla-comparativa td.mejor { color: var(--success); font-weight: 700; }
.tabla-scroll { overflow-x: auto; margin-top: 1.5rem; -webkit-overflow-scrolling: touch; }

/* =============================================================
   9. Confianza / testimonios / FAQ
   ============================================================= */
.confianza-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.confianza-grid .card { text-align: left; }
.confianza-grid .icon { font-size: 1.6rem; margin-bottom: .5rem; }

.testimonios-vacio { text-align: center; padding: 2.5rem 1.5rem; color: var(--ink-soft); border: 1.5px dashed var(--line); border-radius: var(--radius-l); }

.faq-item { border-bottom: 1px solid var(--line); padding-block: 1.1rem; }
.faq-item summary { cursor: pointer; font-weight: 700; color: var(--navy); list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--amber-deep); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin-top: .75rem; color: var(--ink-soft); }

/* =============================================================
   10. Modal de pedido
   ============================================================= */
dialog.modal {
  border: none; border-radius: var(--radius-l); padding: 0; width: min(560px, 92vw);
  box-shadow: var(--shadow-l);
}
dialog.modal::backdrop { background: rgba(20, 33, 58, .55); backdrop-filter: blur(2px); }
.modal-inner { padding: clamp(1.5rem, 4vw, 2.25rem); max-height: 85vh; overflow-y: auto; }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.modal-close { font-size: 1.4rem; color: var(--ink-soft); padding: .25rem .5rem; }
.modal-producto-resumen { display: flex; justify-content: space-between; align-items: center; background: var(--bg-alt); border-radius: var(--radius-s); padding: .85rem 1rem; margin-bottom: 1.25rem; font-weight: 700; color: var(--navy); }
.modal-confirmacion { display: none; text-align: center; padding-block: 1.5rem; }
.modal-confirmacion .icon { font-size: 2.5rem; margin-bottom: .75rem; }

/* =============================================================
   11. Footer
   ============================================================= */
.footer { background: var(--navy); color: #cfd6e4; padding-block: 3rem 2rem; margin-top: 4rem; }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-bottom: 2rem; }
.footer-grid h4 { color: #fff; font-size: .95rem; margin-bottom: .8rem; }
.footer-grid ul { display: flex; flex-direction: column; gap: .5rem; font-size: .9rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: .82rem; color: #9aa5bd; }

/* =============================================================
   11b. WhatsApp
   ============================================================= */
.nav-whatsapp {
  display: inline-flex; align-items: center; gap: .45rem; white-space: nowrap;
  padding: .55rem 1rem; border-radius: 999px; background: #25D366; color: #fff;
  font-weight: 700; font-size: .85rem; transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.nav-whatsapp:hover { transform: translateY(-1px); box-shadow: var(--shadow-s); }
.nav-whatsapp svg { width: 17px; height: 17px; fill: #fff; }

.whatsapp-float {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 95;
  width: 56px; height: 56px; border-radius: 999px; background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-l); transition: transform .2s var(--ease-out);
}
.whatsapp-float:hover { transform: scale(1.06); }
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

/* =============================================================
   12. Reveals
   ============================================================= */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

/* =============================================================
   13. Reduced motion
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .chip { transition: none; }
}