:root {
  --paper: #FBFBFA;
  --paper-raised: #F2F1ED;
  --ink: #14171A;
  --ink-soft: #63676C;
  --green: #2F5233;
  --green-deep: #21391F;
  --gold: #A9822F;
  --line: #E4E2DB;
  --card-bg: #FFFFFF;
  --focus: #2F5233;
  --shadow: 0 1px 2px rgba(20,23,26,.04), 0 12px 32px rgba(20,23,26,.06);
}
/* El sitio carga siempre en modo claro por defecto.
   El modo oscuro solo se activa si la persona usa el botón 🌙. */
:root[data-theme="dark"] {
  --paper: #0B0C0D; --paper-raised: #141617; --ink: #F2F1ED; --ink-soft: #9A9D9F;
  --green: #7BB284; --green-deep: #9BCB9F; --gold: #D8B968; --line: #24272A; --card-bg: #131415;
  --focus: #9BCB9F; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: 'Inter', -apple-system, sans-serif; line-height: 1.55; -webkit-font-smoothing: antialiased;
}
a { color: var(--green-deep); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
h1, h2, h3 { font-family: 'Source Serif 4', Georgia, serif; font-weight: 600; margin: 0; letter-spacing: -0.015em; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-stagger.in > * { transition-delay: calc(var(--i, 0) * 90ms); }

header.site {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 78%, transparent);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 32px; max-width: 1120px; margin: 0 auto; }
.logo { display: flex; align-items: baseline; gap: 2px; font-family: 'Source Serif 4', serif; font-size: 20px; font-weight: 700; color: var(--ink); text-decoration: none; }
.logo span { color: var(--green); }
nav.primary { display: flex; gap: 30px; }
nav.primary a { background: none; border: none; cursor: pointer; font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 500; color: var(--ink-soft); padding: 6px 0; border-bottom: 1.5px solid transparent; transition: color .2s ease, border-color .2s ease; text-decoration: none; }
nav.primary a.active, nav.primary a:hover { color: var(--ink); border-bottom-color: var(--gold); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; cursor: pointer; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { display: block; width: 18px; height: 2px; background: var(--ink); position: relative; content: ''; }
.nav-toggle span::before { position: absolute; top: -6px; } .nav-toggle span::after { position: absolute; top: 6px; }
@media (max-width: 760px) {
  nav.primary { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); padding: 8px 32px 20px; }
  nav.primary.open { display: flex; } nav.primary a { text-align: left; padding: 12px 0; width: 100%; }
  .nav-toggle { display: block; }
}

/* Hero — full, centered, Apple-scale type */
.hero { padding: 120px 0 100px; text-align: center; }
.hero-eyebrow { color: var(--green-deep); font-size: 14px; font-weight: 600; margin-bottom: 22px; letter-spacing: .01em; }
.hero h1 { font-size: clamp(40px, 7vw, 84px); line-height: 1.03; max-width: 15ch; margin: 0 auto; }
.hero p.lead { max-width: 44ch; margin: 26px auto 0; font-size: 19px; color: var(--ink-soft); }
.hero-cta { margin-top: 40px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 26px; border-radius: 100px; font-size: 15px; font-weight: 600; cursor: pointer; border: 1px solid transparent; transition: transform .2s ease, opacity .2s ease; text-decoration: none; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { opacity: .85; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }

.stat-row { display: flex; justify-content: center; gap: 64px; margin-top: 90px; flex-wrap: wrap; }
.stat-row .stat { text-align: center; }
.stat .num { font-family: 'Source Serif 4', serif; font-size: 44px; display: block; }
.stat .label { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }

/* Category showcase — big tiles */
section.showcase { padding: 100px 0; border-top: 1px solid var(--line); }
.showcase-head { text-align: center; max-width: 52ch; margin: 0 auto 64px; }
.showcase-head h2 { font-size: clamp(28px, 4vw, 44px); }
.showcase-head p { color: var(--ink-soft); font-size: 16px; margin-top: 14px; }

.tile-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 820px) { .tile-grid { grid-template-columns: 1fr; } }
.tile {
  background: var(--card-bg); border: 1px solid var(--line); border-radius: 22px; padding: 40px 30px;
  box-shadow: var(--shadow); cursor: pointer; transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease;
  text-align: left; text-decoration: none; color: inherit; display: block;
}
.tile:hover { transform: translateY(-6px); }
.tile-icon { width: 46px; height: 46px; margin-bottom: 24px; }
.tile h3 { font-size: 22px; margin-bottom: 10px; }
.tile p { color: var(--ink-soft); font-size: 14.5px; margin: 0 0 20px; }
.tile .go { font-size: 13.5px; font-weight: 600; color: var(--green-deep); }

/* Product picks (category detail pages) */
section.category { padding: 90px 0; }
.cat-head { text-align: center; max-width: 52ch; margin: 0 auto 60px; }
.cat-head h2 { font-size: clamp(30px, 4vw, 48px); }
.cat-head p { color: var(--ink-soft); font-size: 16px; margin-top: 12px; }

.pick-grid { display: grid; gap: 18px; }
.pick {
  display: grid; grid-template-columns: 90px 1fr; gap: 26px; align-items: start;
  padding: 32px; background: var(--card-bg); border: 1px solid var(--line); border-radius: 20px;
  box-shadow: var(--shadow); transition: transform .3s ease; text-decoration: none; color: inherit;
}
.pick:hover { transform: translateY(-3px); }
.pick-rank { font-family: 'Source Serif 4', serif; font-size: 40px; color: var(--gold); line-height: 1; }
.pick h3 { font-size: 20px; margin-bottom: 8px; }
.pick .tag { display: inline-block; font-size: 11.5px; font-weight: 600; color: var(--green-deep); background: color-mix(in srgb, var(--green) 14%, transparent); padding: 4px 10px; border-radius: 100px; margin-bottom: 10px; letter-spacing: .01em; }
.pick p { margin: 8px 0 0; color: var(--ink-soft); font-size: 15px; max-width: 64ch; }
.pick .why { margin-top: 12px; font-size: 14px; color: var(--ink); }
.pick .why b { color: var(--green-deep); font-weight: 600; }

.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--ink-soft); background: none; border: none; cursor: pointer; margin-bottom: 40px; text-decoration: none; }
.back-link:hover { color: var(--ink); }

.page { padding: 90px 0; max-width: 680px; }
.page h2 { font-size: clamp(28px,4vw,40px); margin-bottom: 22px; }
.page p { color: var(--ink-soft); font-size: 16px; margin-bottom: 16px; }
.page .highlight { background: var(--card-bg); border: 1px solid var(--line); border-left: 3px solid var(--gold); padding: 20px 24px; border-radius: 12px; margin: 26px 0; font-size: 14.5px; color: var(--ink); box-shadow: var(--shadow); }

form.contact { margin-top: 30px; display: grid; gap: 16px; max-width: 440px; }
form.contact label { font-size: 13.5px; color: var(--ink-soft); display: block; margin-bottom: 6px; }
form.contact input, form.contact textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--card-bg); color: var(--ink); font-family: inherit; font-size: 14.5px; }
form.contact button { justify-self: start; margin-top: 6px; background: var(--ink); color: var(--paper); border: none; padding: 13px 26px; border-radius: 100px; font-size: 14.5px; cursor: pointer; font-weight: 600; }
form.contact button:hover { opacity: .85; }
.form-note { font-size: 13px; color: var(--ink-soft); margin-top: 6px; }

footer { border-top: 1px solid var(--line); padding: 50px 0 70px; }
footer .foot-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
footer .disclosure { max-width: 60ch; font-size: 11px; color: var(--ink-soft); line-height: 1.5; opacity: 0.75; }
footer .foot-links { display: flex; gap: 20px; flex-wrap: wrap; }
footer .foot-links a { color: var(--ink-soft); font-size: 13.5px; text-decoration: none; }
footer .foot-links a:hover { color: var(--ink); }

@media (max-width: 600px) {
  .pick { grid-template-columns: 44px 1fr; gap: 14px; padding: 22px 20px; }
  .pick-rank { font-size: 24px; }
  div[style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; gap: 4px !important; }
  div[style*="grid-template-columns:1fr 1fr"] > div + div { margin-top: 10px; }
}

/* FAQ (acordeón simple con <details>) */
.faq { margin-top: 20px; }
.faq details { border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; margin-bottom: 12px; background: var(--card-bg); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 15px; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; float: right; color: var(--gold); font-size: 20px; }
.faq details[open] summary::after { content: '–'; }
.faq p { margin-top: 12px; font-size: 14.5px; color: var(--ink-soft); }

/* Tabla comparativa */
.compare-table { width: 100%; border-collapse: collapse; margin: 20px 0 10px; font-size: 14px; overflow-x: auto; display: block; }
.compare-table thead { display: table; width: 100%; table-layout: fixed; }
.compare-table tbody { display: table; width: 100%; table-layout: fixed; }
.compare-table th, .compare-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.compare-table th { color: var(--ink-soft); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .02em; }
.compare-table td b { color: var(--ink); }