/* AccesoSmart · hoja de estilos única, mobile first.
   1. Tokens · 2. Base · 3. Layout · 4. Cabecera y pie · 5. Tipografía editorial
   6. Componentes · 7. Selector · 8. Comparador · 9. Ficha · 10. Utilidades */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-2: #efece5;
  --ink: #15171b;
  --ink-2: #3b3f47;
  --muted: #6b6f78;
  --line: #dedad1;
  --line-strong: #c9c3b6;
  --brand: #1d2a3a;
  --accent: #9a7440;
  --accent-soft: #f2e9dc;
  --ok: #2f6b4f;   --ok-soft: #e4efe8;
  --warn: #8a5a12; --warn-soft: #f6ecd9;
  --bad: #9b3a31;  --bad-soft: #f5e3e0;
  --pend: #56606e; --pend-soft: #e9ebee;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(21, 23, 27, .05), 0 8px 24px -12px rgba(21, 23, 27, .18);
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --wrap: 72rem;
  --gutter: 16px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
@media (min-width: 768px) { :root { --gutter: 32px; } }

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 1rem/1.6 var(--font-sans);
  font-feature-settings: "kern", "liga";
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; }
svg.i { width: 1.1em; height: 1.1em; flex: none; vertical-align: -0.15em; }
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
button, input, select { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }
.skip { position: absolute; left: -999px; top: 0; }
.skip:focus { left: 8px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 50; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* 3. Layout ---------------------------------------------------------------- */
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 44rem; }
.section { padding: 48px 0; }
@media (min-width: 768px) { .section { padding: 80px 0; } }
.section + .section { border-top: 1px solid var(--line); }
.grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-5 { grid-template-columns: repeat(5, 1fr); } }
@media (min-width: 640px) and (max-width: 899px) { .grid-3, .grid-5 { grid-template-columns: repeat(2, 1fr); } }
.split { display: grid; gap: 32px; }
.grid > *, .split > * { min-width: 0; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 20rem; gap: 56px; align-items: start; } .split > aside { position: sticky; top: 88px; } }

/* 4. Cabecera y pie -------------------------------------------------------- */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(246, 244, 239, .92); border-bottom: 1px solid var(--line); }
@supports ((-webkit-backdrop-filter: blur(8px)) or (backdrop-filter: blur(8px))) {
  .site-header { background: rgba(246, 244, 239, .78); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 650; letter-spacing: -.01em; font-size: 1.08rem; }
.logo svg { width: 26px; height: 26px; }
.logo span b { color: var(--accent); font-weight: 650; }
.nav { display: none; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: .94rem; padding: 8px 10px; border-radius: var(--radius-sm); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); background: var(--surface-2); }
.nav a.nav-cta, .nav a.nav-cta:hover { background: var(--brand); color: #fff; padding: 8px 14px; margin-left: 6px; }
@media (min-width: 900px) { .nav { display: flex; align-items: center; gap: 2px; } .menu { display: none; } }
.menu { position: relative; }
.menu summary { list-style: none; cursor: pointer; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); font-size: .92rem; }
.menu summary::-webkit-details-marker { display: none; }
.menu[open] .menu-panel { display: flex; }
.menu-panel { display: none; position: absolute; right: 0; top: calc(100% + 8px); width: min(18rem, calc(100vw - 32px)); flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px; }
.menu-panel a { padding: 12px; color: var(--ink); text-decoration: none; border-radius: var(--radius-sm); }
.menu-panel a:hover { background: var(--surface-2); }
.site-footer { background: var(--brand); color: #d5dae1; font-size: .92rem; padding: 56px 0 32px; margin-top: 0; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; color: #fff; }
.footer-grid { display: grid; gap: 32px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-grid h2 { font: 600 .78rem/1.2 var(--font-sans); letter-spacing: .08em; text-transform: uppercase; color: #9aa6b5; margin: 0 0 12px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.disclosure-bar { margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .14); color: #aeb7c3; font-size: .85rem; }

/* 5. Tipografía editorial -------------------------------------------------- */
h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; letter-spacing: -.012em; line-height: 1.15; color: var(--ink); margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 1.5rem + 2.6vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.3vw, 2.15rem); }
h3 { font-size: 1.22rem; }
p { margin: 0 0 1em; }
.eyebrow { font: 600 .76rem/1.2 var(--font-sans); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin: 0 0 12px; }
.lead { font-size: 1.12rem; color: var(--ink-2); max-width: 40rem; }
@media (min-width: 768px) { .lead { font-size: 1.22rem; } }
.prose { max-width: 42rem; }
.prose h2 { margin-top: 1.8em; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose li { margin: .35em 0; }
.prose table { margin: 1.2em 0; font-size: .95rem; }
.prose blockquote { margin: 1.4em 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--accent); color: var(--ink-2); }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.num { font-variant-numeric: tabular-nums; }

/* 6. Componentes ----------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 20px; border-radius: var(--radius-sm); border: 1px solid transparent; font-weight: 600; font-size: .98rem; text-decoration: none; cursor: pointer; transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: #2a3b52; color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn-buy { background: var(--accent); color: #fff; }
.btn-buy:hover { background: #82612f; color: #fff; }
.btn-pending { background: var(--surface-2); color: var(--muted); border: 1px dashed var(--line-strong); cursor: not-allowed; font-weight: 500; }
.btn-small { min-height: 40px; padding: 8px 14px; font-size: .9rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-note { font-size: .8rem; color: var(--muted); margin: 8px 0 0; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card-link { text-decoration: none; color: inherit; display: block; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.card-link:hover { border-color: var(--line-strong); box-shadow: var(--shadow); color: inherit; }

.product-card { display: flex; flex-direction: column; gap: 12px; }
.product-card figure { margin: 0; background: var(--surface-2); border-radius: var(--radius-sm); aspect-ratio: 4 / 3; overflow: hidden; }
.product-card figure img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-card h3 { margin: 0; font-size: 1.15rem; }
.product-card .brand { font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 0; }
.product-card p { margin: 0; color: var(--ink-2); font-size: .95rem; }
.product-card .foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.score { display: inline-flex; align-items: baseline; gap: 2px; font-family: var(--font-serif); font-weight: 600; color: var(--ink); }
.score b { font-size: 1.6rem; line-height: 1; }
.score small { font: 500 .8rem var(--font-sans); color: var(--muted); }
.score-lg b { font-size: 3rem; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); }
.badge-accent { background: var(--accent-soft); color: #6d5025; }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-bad { background: var(--bad-soft); color: var(--bad); }
.badge-pend { background: var(--pend-soft); color: var(--pend); }

.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.checks li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; }
.checks li svg { width: 20px; height: 20px; margin-top: 2px; }
.checks .ok svg { color: var(--ok); }
.checks .partial svg { color: var(--warn); }
.checks .no svg { color: var(--bad); }
.checks .unknown svg { color: var(--pend); }
.checks small { display: block; color: var(--muted); font-size: .86rem; }

.bars { display: grid; gap: 12px; margin: 0; }
.bar { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; font-size: .93rem; }
.bar dt { color: var(--ink-2); }
.bar dd { margin: 0; font-variant-numeric: tabular-nums; font-weight: 600; }
.bar .track { grid-column: 1 / -1; height: 6px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.bar .fill { display: block; height: 100%; background: var(--brand); border-radius: 999px; transform-origin: left; }
.bar .fill.na { background: repeating-linear-gradient(90deg, var(--line-strong) 0 4px, transparent 4px 8px); width: 100% !important; }

.pc { display: grid; gap: 16px; }
@media (min-width: 640px) { .pc { grid-template-columns: 1fr 1fr; } }
.pc ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.pc li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; }
.pc li svg { width: 18px; height: 18px; margin-top: 3px; }
.pc .pros svg { color: var(--ok); }
.pc .cons svg { color: var(--bad); }
.pc h3 { font-family: var(--font-sans); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.spec { font-size: .94rem; }
.spec caption { text-align: left; padding: 14px 16px 6px; font: 600 .8rem var(--font-sans); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.spec th, .spec td { text-align: left; padding: 11px 16px; border-top: 1px solid var(--line); vertical-align: top; }
.spec th { font-weight: 500; color: var(--ink-2); width: 44%; }
.spec td { font-weight: 500; }
.spec thead th { width: auto; font-size: .82rem; color: var(--muted); }
.rule-table th[scope="row"] { width: 30%; }
.rule-table td:nth-child(2) { width: 22%; }
.val-yes { color: var(--ok); }
.val-partial { color: var(--warn); }
.val-no { color: var(--bad); }
.val-null { color: var(--muted); font-style: italic; font-weight: 400; }

.breadcrumbs { font-size: .85rem; color: var(--muted); padding-top: 20px; }
.breadcrumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: var(--line-strong); }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--ink); }

.page-head { padding: 28px 0 40px; }
@media (min-width: 768px) { .page-head { padding: 40px 0 56px; } }
.page-head .lead { margin-bottom: 0; }
.page-body { padding-bottom: 64px; }
@media (min-width: 768px) { .page-body { padding-bottom: 96px; } }
.meta-line { font-size: .86rem; color: var(--muted); margin-top: 16px; }

.notice { border: 1px solid var(--line); border-left: 3px solid var(--accent); background: var(--surface); border-radius: var(--radius-sm); padding: 14px 16px; font-size: .92rem; color: var(--ink-2); }
.notice p:last-child { margin: 0; }
.affiliate-note { font-size: .82rem; color: var(--muted); }

.faq details { border-top: 1px solid var(--line); padding: 4px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 14px 28px 14px 0; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 1.3rem; color: var(--muted); transition: transform .2s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-2); padding-bottom: 8px; }

.sources { font-size: .88rem; }
.sources li { margin: 6px 0; }
.link-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.link-list a { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink); font-weight: 500; transition: border-color .2s var(--ease); }
.link-list a:hover { border-color: var(--line-strong); color: var(--ink); }
.link-list a span { color: var(--muted); font-weight: 400; font-size: .9rem; }

/* Home */
.hero { padding: 48px 0 40px; }
@media (min-width: 900px) { .hero { padding: 88px 0 72px; } }
.hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.15fr .85fr; gap: 64px; } }
.hero h1 { font-size: clamp(2.3rem, 1.6rem + 3.4vw, 4.1rem); max-width: 14ch; }
.hero-visual { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px; box-shadow: var(--shadow); }
.hero-visual svg { display: block; width: 100%; height: auto; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 28px; font-size: .88rem; color: var(--ink-2); padding: 0; list-style: none; }
.trust li { display: flex; align-items: center; gap: 8px; }
.trust svg { color: var(--accent); }
.pick { display: flex; flex-direction: column; gap: 10px; }
.pick .eyebrow { margin: 0; }
.pick h3 { margin: 0; font-size: 1.12rem; }
.pick p { margin: 0; font-size: .92rem; color: var(--ink-2); }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.steps li::before { content: counter(step, decimal-leading-zero); display: block; font: 600 .8rem var(--font-sans); color: var(--accent); letter-spacing: .08em; margin-bottom: 10px; }
.steps h3 { font-size: 1.05rem; }
.steps p { margin: 0; font-size: .93rem; color: var(--ink-2); }

/* 7. Selector -------------------------------------------------------------- */
.finder { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; }
.finder-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--line); font-size: .88rem; color: var(--muted); }
.finder-progress { flex: 1; max-width: 12rem; height: 4px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.finder-progress span { display: block; height: 100%; background: var(--accent); width: 0; transition: width .3s var(--ease); }
.finder form { padding: 20px; }
@media (min-width: 768px) { .finder form { padding: 28px 32px 32px; } }
.finder fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.finder legend { font-family: var(--font-serif); font-size: 1.35rem; font-weight: 600; line-height: 1.25; margin-bottom: 8px; padding: 0; }
.finder .help { font-size: .9rem; color: var(--muted); margin: 0 0 18px; }
.options { display: grid; gap: 10px; }
@media (min-width: 640px) { .options { grid-template-columns: repeat(2, 1fr); } }
.option { position: relative; }
.option input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.option span { display: flex; align-items: center; min-height: 52px; padding: 12px 16px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--bg); transition: border-color .15s var(--ease), background .15s var(--ease), box-shadow .15s var(--ease); }
.option input:hover + span { border-color: var(--ink-2); }
.option input:checked + span { border-color: var(--brand); background: #eef1f5; box-shadow: inset 0 0 0 1px var(--brand); font-weight: 600; }
.option input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.finder-nav { display: none; justify-content: space-between; gap: 12px; margin-top: 24px; }
.js .finder-nav { display: flex; }
.finder fieldset + fieldset { margin-top: 28px; }
.js .finder fieldset + fieldset { margin-top: 0; }
.js .finder fieldset[hidden] { display: none; }
.finder fieldset.need legend::after { content: " · elige una opción"; color: var(--bad); font: 500 .9rem var(--font-sans); }
.finder-results { scroll-margin-top: 80px; padding: 20px; border-top: 1px solid var(--line); background: var(--bg); }
@media (min-width: 768px) { .finder-results { padding: 28px 32px; } }
.result { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: grid; gap: 14px; }
.result + .result { margin-top: 14px; }
.result-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.result-top h3 { margin: 4px 0 0; }
.pct { font-family: var(--font-serif); font-size: 2.2rem; font-weight: 600; line-height: 1; font-variant-numeric: tabular-nums; }
.pct small { display: block; font: 500 .72rem var(--font-sans); color: var(--muted); text-align: right; margin-top: 4px; }
.result.rank-1 { border-color: var(--brand); box-shadow: var(--shadow); }
.discarded { margin-top: 20px; font-size: .92rem; }
.discarded summary { cursor: pointer; font-weight: 600; }

/* 8. Comparador ------------------------------------------------------------ */
.picker { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--surface); font-size: .92rem; }
.chip input:checked + span { background: var(--brand); color: #fff; border-color: var(--brand); }
.chip input:disabled + span { opacity: .45; }
.chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.compare { font-size: .92rem; min-width: 36rem; }
.compare th, .compare td { padding: 12px 14px; border-top: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare thead th { border-top: 0; vertical-align: bottom; background: var(--surface); position: sticky; top: 0; }
.compare thead th a { color: var(--ink); text-decoration: none; font-family: var(--font-serif); font-size: 1.05rem; font-weight: 600; }
.compare tbody th { font-weight: 500; color: var(--ink-2); width: 12rem; position: sticky; left: 0; background: var(--surface); z-index: 1; }
.compare .group th { background: var(--surface-2); font: 600 .76rem var(--font-sans); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.compare td.best { background: var(--ok-soft); }
.compare td.best::after { content: "Mejor"; display: inline-block; margin-left: 8px; font-size: .7rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--ok); }
.verdicts { display: grid; gap: 12px; }
@media (min-width: 768px) { .verdicts { grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); } }
.verdicts .card h3 { font-size: 1.05rem; }

/* 9. Ficha ----------------------------------------------------------------- */
.product-hero { display: grid; gap: 28px; padding: 24px 0 40px; }
@media (min-width: 900px) { .product-hero { grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 32px 0 64px; } }
.product-hero figure { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; aspect-ratio: 4 / 3; }
.product-hero figure img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-hero figcaption { font-size: .78rem; color: var(--muted); padding: 8px 12px; }
.fit { display: grid; gap: 16px; margin: 24px 0; }
@media (min-width: 640px) { .fit { grid-template-columns: 1fr 1fr; } }
.fit h2 { font: 600 .8rem var(--font-sans); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.fit ul { margin: 0; padding-left: 1.1em; font-size: .95rem; }
.toc { font-size: .9rem; }
.toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.toc a { display: block; padding: 6px 10px; border-radius: var(--radius-sm); color: var(--ink-2); text-decoration: none; }
.toc a:hover { background: var(--surface-2); color: var(--ink); }
.block { padding: 36px 0; border-top: 1px solid var(--line); scroll-margin-top: 80px; }
.block:first-child { border-top: 0; padding-top: 0; }
.buy-box { display: grid; gap: 10px; }

/* 10. Utilidades ----------------------------------------------------------- */
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; } .mt-2 { margin-top: 24px; } .mt-3 { margin-top: 40px; }
.center { text-align: center; }
.stack > * + * { margin-top: 16px; }
@media (prefers-reduced-motion: no-preference) {
  .reveal { animation: rise .6s var(--ease) both; }
  @keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
}
@media print { .site-header, .site-footer, .btn, .finder { display: none !important; } body { background: #fff; } }