/* Hallmark · genre: editorial · macrostructure: Catalogue · theme: custom (parchment anchor hue 85, brass accent hue 71) · enrichment: Tier-A pure-CSS proof-card mockup · nav: N13 Inline search pill · footer: Ft4 Dense typographic */
/* Hallmark · pre-emit critique: P5 H4 E5 S4 R5 V5 */

html { overflow-x: clip; }
body { overflow-x: clip; }

:root {
  --color-paper:       oklch(97% 0.014 85);
  --color-paper-2:     oklch(93.5% 0.017 85);
  --color-rule:        oklch(84% 0.015 83);
  --color-neutral:     oklch(56% 0.013 80);
  --color-muted:       oklch(40% 0.012 78);
  --color-ink:         oklch(19% 0.013 70);
  --color-ink-2:       oklch(30% 0.013 70);
  --color-accent:      oklch(58% 0.15 71);
  --color-accent-soft: oklch(93% 0.03 71);
  --color-accent-ink:  oklch(13% 0.02 71);
  --color-focus:       oklch(62% 0.16 71);
  --color-positive:    oklch(56% 0.11 152);
  --color-warn:        oklch(58% 0.16 40);

  --color-night:       oklch(17% 0.015 70);
  --color-night-2:     oklch(23% 0.015 70);
  --color-night-ink:   oklch(93% 0.012 85);

  --color-invert-bg:   var(--color-night);
  --color-invert-bg-2: var(--color-night-2);
  --color-invert-ink:  var(--color-night-ink);

  --font-display: "Source Serif 4", ui-serif, Georgia, serif;
  --font-body:    "Public Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono:    "Commit Mono", ui-monospace, monospace;

  --space-3xs: 0.125rem; --space-2xs: 0.25rem; --space-xs: 0.5rem; --space-sm: 0.75rem;
  --space-md: 1rem; --space-lg: 1.5rem; --space-xl: 2.5rem; --space-2xl: 4rem;
  --space-3xl: 6rem; --space-4xl: 9rem;

  --text-xs: 0.75rem; --text-sm: 0.875rem; --text-base: 1rem; --text-md: 1.15rem;
  --text-lg: 1.4rem; --text-xl: 1.85rem; --text-2xl: 2.3rem; --text-3xl: 2.9rem;
  --text-display: clamp(2.1rem, 2.4vw + 1.1rem, 3.1rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 120ms; --dur-short: 220ms; --dur-long: 420ms;

  --radius-card: 4px;
  --radius-pill: 999px;

  --z-base: 1; --z-raised: 10; --z-dropdown: 100; --z-sticky: 200; --z-modal: 400; --z-toast: 500;
  font-size: 16px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-paper:       oklch(16% 0.014 70);
    --color-paper-2:     oklch(20% 0.016 70);
    --color-rule:        oklch(30% 0.014 72);
    --color-neutral:     oklch(58% 0.012 78);
    --color-muted:       oklch(70% 0.010 80);
    --color-ink:         oklch(94% 0.012 85);
    --color-ink-2:       oklch(86% 0.012 85);
    --color-accent:      oklch(70% 0.13 71);
    --color-accent-soft: oklch(28% 0.05 71);
    --color-accent-ink:  oklch(13% 0.02 71);
    --color-focus:       oklch(72% 0.14 71);
    --color-positive:    oklch(65% 0.10 152);
    --color-warn:        oklch(66% 0.15 42);
    --color-invert-bg:   oklch(94% 0.012 85);
    --color-invert-bg-2: oklch(88% 0.014 85);
    --color-invert-ink:  oklch(16% 0.014 70);
  }
}
:root[data-theme="dark"] {
  --color-paper:       oklch(16% 0.014 70);
  --color-paper-2:     oklch(20% 0.016 70);
  --color-rule:        oklch(30% 0.014 72);
  --color-neutral:     oklch(58% 0.012 78);
  --color-muted:       oklch(70% 0.010 80);
  --color-ink:         oklch(94% 0.012 85);
  --color-ink-2:       oklch(86% 0.012 85);
  --color-accent:      oklch(70% 0.13 71);
  --color-accent-soft: oklch(28% 0.05 71);
  --color-accent-ink:  oklch(13% 0.02 71);
  --color-focus:       oklch(72% 0.14 71);
  --color-positive:    oklch(65% 0.10 152);
  --color-warn:        oklch(66% 0.15 42);
  --color-invert-bg:   oklch(94% 0.012 85);
  --color-invert-bg-2: oklch(88% 0.014 85);
  --color-invert-ink:  oklch(16% 0.014 70);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--color-paper); color: var(--color-ink); font-family: var(--font-body); font-weight: 400; line-height: 1.6; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; font-style: normal; }
p, dl, dd, ol, table { margin: 0; }
a { color: var(--color-accent); text-decoration: none; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.tnum { font-variant-numeric: tabular-nums; }
.page-gutter { padding-inline: clamp(1.25rem, 4vw, 2.75rem); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; scroll-behavior: auto !important; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2xs);
  height: 44px; padding: 0 var(--space-lg); white-space: nowrap;
  font-family: var(--font-body); font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.01em;
  border-radius: var(--radius-card); border: 1.5px solid transparent; cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-out), background var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.btn-primary { background: var(--color-ink); color: var(--color-paper); border-color: var(--color-ink); }
.btn-primary:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); transform: translateY(-1.5px); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: transparent; color: var(--color-ink); border-color: var(--color-rule); }
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-1.5px); }
.btn-outline:active { transform: translateY(0); }
.btn:focus-visible { outline-offset: 3px; }

/* ---- N13 nav ---- */
.nav { position: sticky; top: 0; z-index: var(--z-sticky); background: color-mix(in oklch, var(--color-paper) 92%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-rule); }
.nav__inner { max-width: 1180px; margin: 0 auto; padding: var(--space-sm) clamp(1.25rem, 4vw, 2.75rem); display: flex; align-items: center; gap: var(--space-lg); }
.nav__brand { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; color: var(--color-ink); flex-shrink: 0; }
.searchpill { display: flex; align-items: center; gap: var(--space-xs); height: 44px; padding: 0 var(--space-sm) 0 var(--space-md);
  background: var(--color-paper-2); border: 1px solid var(--color-rule); border-radius: var(--radius-pill); color: var(--color-muted);
  font-family: var(--font-body); font-size: var(--text-sm); cursor: pointer; margin-left: auto;
  transition: border-color var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out); }
.searchpill:hover { border-color: var(--color-accent); }
.searchpill__ico { display: flex; color: var(--color-neutral); }
.searchpill__text { white-space: nowrap; }
.searchpill__kbd { display: flex; gap: 3px; margin-left: var(--space-xs); }
.searchpill kbd { font-family: var(--font-mono); font-size: 0.7rem; background: var(--color-paper); border: 1px solid var(--color-rule); border-radius: 3px; padding: 1px 5px; color: var(--color-neutral); }
.nav__right { flex-shrink: 0; }

/* ---- Command palette (⌘K) ---- */
.cmdk { position: fixed; inset: 0; z-index: var(--z-modal); opacity: 0; visibility: hidden; transition: opacity var(--dur-short) var(--ease-out), visibility var(--dur-short); }
.cmdk.is-open { opacity: 1; visibility: visible; }
.cmdk__backdrop { position: absolute; inset: 0; background: oklch(15% 0.01 70 / 0.45); }
.cmdk__panel { position: absolute; top: 12vh; left: 50%; transform: translateX(-50%) translateY(-8px) scale(0.97);
  width: min(560px, calc(100vw - 2rem)); max-height: 70vh; display: flex; flex-direction: column;
  background: var(--color-paper); border: 1px solid var(--color-rule); border-radius: 8px;
  box-shadow: 0 1px 2px oklch(20% 0.01 70 / 0.06), 0 12px 40px -12px oklch(20% 0.01 70 / 0.25);
  transition: transform var(--dur-short) var(--ease-out); overflow: hidden; }
.cmdk.is-open .cmdk__panel { transform: translateX(-50%) translateY(0) scale(1); }
.cmdk__field { display: flex; align-items: center; gap: var(--space-sm); padding: var(--space-md); border-bottom: 1px solid var(--color-rule); flex-shrink: 0; }
.cmdk__field-ico { color: var(--color-neutral); display: flex; flex-shrink: 0; }
.cmdk__field input { flex: 1; border: 0; background: transparent; font-family: var(--font-body); font-size: var(--text-md); color: var(--color-ink); outline: none; min-width: 0; }
.cmdk__field kbd { font-family: var(--font-mono); font-size: 0.7rem; color: var(--color-neutral); border: 1px solid var(--color-rule); border-radius: 3px; padding: 1px 6px; flex-shrink: 0; }
.cmdk__results { overflow-y: auto; padding: var(--space-xs); }
.cmdk__group { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-neutral); padding: var(--space-sm) var(--space-sm) var(--space-2xs); }
.cmdk__item { display: flex; width: 100%; align-items: baseline; justify-content: space-between; gap: var(--space-md); padding: var(--space-sm); border: 0; background: none; border-radius: 6px; text-align: left; font-family: var(--font-body); font-size: var(--text-sm); color: var(--color-ink); cursor: pointer; }
.cmdk__item strong { font-family: var(--font-mono); color: var(--color-accent); font-weight: 600; margin-right: var(--space-sm); }
.cmdk__item.is-active, .cmdk__item:hover { background: var(--color-accent-soft); }
.cmdk__empty { padding: var(--space-lg); text-align: center; color: var(--color-muted); font-size: var(--text-sm); }
.cmdk__foot { display: flex; gap: var(--space-md); padding: var(--space-sm) var(--space-md); border-top: 1px solid var(--color-rule); font-size: var(--text-xs); color: var(--color-muted); flex-shrink: 0; }
.cmdk__foot span { display: flex; align-items: center; gap: 4px; }
.cmdk__foot kbd { font-family: var(--font-mono); border: 1px solid var(--color-rule); border-radius: 3px; padding: 0 4px; }

/* ---- Hero ---- */
.hero { max-width: 1180px; margin: 0 auto; padding: var(--space-2xl) clamp(1.25rem, 4vw, 2.75rem) var(--space-3xl);
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--space-2xl); align-items: start; }
.hero__eyebrow { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-md); }
.hero__title { font-size: var(--text-display); line-height: 1.08; margin-bottom: var(--space-lg); max-width: 16ch; text-wrap: balance; overflow-wrap: anywhere; min-width: 0; }
.hero__lede { font-size: var(--text-md); color: var(--color-ink-2); max-width: 54ch; line-height: 1.6; margin-bottom: var(--space-xl); }
.hero__actions { display: flex; gap: var(--space-md); flex-wrap: wrap; margin-bottom: var(--space-lg); }
.hero__meta { font-size: var(--text-xs); color: var(--color-muted); letter-spacing: 0.02em; }

/* Tier-A CSS proof-card mockup */
.proof-card { background: var(--color-paper-2); border: 1px solid var(--color-rule); border-radius: 8px; padding: var(--space-lg); position: relative; }
.proof-card::before { content: ""; position: absolute; top: var(--space-md); right: var(--space-md); width: 8px; height: 8px; border-radius: 50%; background: var(--color-positive); }
.proof-card__label { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-neutral); margin-bottom: var(--space-md); }
.proof-card__rows { display: flex; flex-direction: column; }
.proof-row { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-md); padding-block: var(--space-sm); border-top: 1px solid var(--color-rule); }
.proof-row:first-child { border-top: 0; }
.proof-row dt { font-size: var(--text-xs); color: var(--color-muted); }
.proof-row dd { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-ink); font-weight: 500; text-align: right; }
.proof-row.is-total dd { color: var(--color-accent); font-size: var(--text-md); font-weight: 600; }

/* ---- Stats strip ---- */
.stats { border-top: 1px solid var(--color-rule); border-bottom: 1px solid var(--color-rule); background: var(--color-paper-2); }
.stats__inner { max-width: 1180px; margin: 0 auto; padding: var(--space-lg) clamp(1.25rem, 4vw, 2.75rem); display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: var(--space-md); text-align: center; border-left: 1px solid var(--color-rule); }
.stat:first-child { border-left: 0; }
.stat__value { display: block; font-family: var(--font-mono); font-size: var(--text-xl); font-weight: 600; color: var(--color-accent); }
.stat__label { display: block; font-size: var(--text-xs); color: var(--color-muted); margin-top: var(--space-2xs); line-height: 1.4; }

/* ---- Section shared ---- */
section:not(.hero):not(.stats):not(.crosssell):not(.colophon) { max-width: 1180px; margin: 0 auto; padding: var(--space-3xl) clamp(1.25rem, 4vw, 2.75rem); }
.section-head { max-width: 640px; margin: 0 auto var(--space-2xl); text-align: center; }
.section-head h2 { font-size: var(--text-2xl); text-wrap: balance; }
.section-head p { font-size: var(--text-md); color: var(--color-ink-2); margin-top: var(--space-sm); line-height: 1.6; }

/* ---- Catalogue (the 15 tramos) ---- */
.catalog__head { max-width: 680px; margin: 0 auto var(--space-xl); text-align: center; }
.catalog__head h2 { font-size: var(--text-2xl); text-wrap: balance; }
.catalog__head p { font-size: var(--text-md); color: var(--color-ink-2); margin-top: var(--space-sm); line-height: 1.6; }
.catalog__band { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-md); border-top: 2px solid var(--color-ink); padding-top: var(--space-sm); margin: var(--space-2xl) 0 var(--space-md); }
.catalog__band:first-of-type { margin-top: var(--space-lg); }
.catalog__band span:first-child { font-family: var(--font-display); font-size: var(--text-md); font-weight: 600; }
.catalog__band-note { font-size: var(--text-xs); color: var(--color-muted); font-family: var(--font-mono); }
.catalog__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: var(--color-rule); border: 1px solid var(--color-rule); }
.tier-card { background: var(--color-paper); padding: var(--space-md); scroll-margin-top: 6rem; transition: background var(--dur-short) var(--ease-out); }
.tier-card:hover, .tier-card.is-highlighted { background: var(--color-accent-soft); }
.tier-card__code { font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 700; color: var(--color-accent); margin-bottom: var(--space-2xs); }
.tier-card__range { font-size: var(--text-sm); color: var(--color-ink); margin-bottom: var(--space-sm); line-height: 1.35; }
.tier-card__data { display: flex; flex-direction: column; gap: 2px; }
.tier-card__data div { display: flex; justify-content: space-between; gap: var(--space-xs); font-size: var(--text-xs); }
.tier-card__data dt { color: var(--color-muted); flex-shrink: 0; }
.tier-card__data dd { font-family: var(--font-mono); color: var(--color-ink-2); text-align: right; }
.tier-card__data .is-cuota dd { color: var(--color-ink); font-weight: 600; }
.catalog__source { font-size: var(--text-xs); color: var(--color-muted); max-width: 68ch; margin: var(--space-xl) auto 0; line-height: 1.6; }

/* ---- Steps (cómo funciona) ---- */
.steps__list { list-style: none; margin: 0; padding: 0; max-width: 760px; margin-inline: auto; display: flex; flex-direction: column; }
.step { display: grid; grid-template-columns: 3.5rem 1fr; gap: var(--space-lg); padding-block: var(--space-lg); border-top: 1px solid var(--color-rule); }
.step:first-child { border-top: 0; }
.step__num { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-accent); padding-top: 2px; }
.step h3 { font-size: var(--text-lg); margin-bottom: var(--space-2xs); }
.step p { font-size: var(--text-sm); color: var(--color-ink-2); line-height: 1.6; max-width: 60ch; }

/* ---- Lo que se aparta (spec table) ---- */
.spec-table { width: 100%; max-width: 900px; margin: 0 auto; border-collapse: collapse; }
.spec-table tr { border-top: 1px solid var(--color-rule); }
.spec-table tr:last-child { border-bottom: 1px solid var(--color-rule); }
.spec-table th, .spec-table td { padding: var(--space-lg) var(--space-md); text-align: left; vertical-align: top; font-weight: 400; }
.spec-table th { font-family: var(--font-display); font-size: var(--text-md); font-weight: 600; width: 24%; color: var(--color-ink); }
.spec-table td { font-size: var(--text-sm); color: var(--color-ink-2); line-height: 1.6; }
.spec-note { width: 18%; text-align: right; color: var(--color-neutral); font-size: var(--text-xs); font-family: var(--font-mono); }

/* ---- Cross-sell (inverted) ---- */
.crosssell { background: var(--color-invert-bg); color: var(--color-invert-ink); }
.crosssell__inner { max-width: 1180px; margin: 0 auto; padding: var(--space-2xl) clamp(1.25rem, 4vw, 2.75rem); display: flex; align-items: center; justify-content: space-between; gap: var(--space-xl); flex-wrap: wrap; }
.crosssell__copy h3 { font-size: var(--text-xl); margin-bottom: var(--space-xs); color: var(--color-invert-ink); }
.crosssell__copy p { font-size: var(--text-sm); color: color-mix(in oklch, var(--color-invert-ink) 72%, transparent); max-width: 52ch; line-height: 1.6; }
.crosssell .btn-primary { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); flex-shrink: 0; }
.crosssell .btn-primary:hover { background: var(--color-invert-ink); border-color: var(--color-invert-ink); color: var(--color-invert-bg); }

/* ---- Acceso / pricing ---- */
.acceso { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-2xl); align-items: center; }
.acceso__copy h2 { font-size: var(--text-2xl); text-wrap: balance; margin-bottom: var(--space-md); }
.acceso__copy p { color: var(--color-ink-2); font-size: var(--text-md); line-height: 1.6; margin-top: var(--space-sm); }
.acceso__card { background: var(--color-paper-2); border: 1px solid var(--color-rule); border-radius: 8px; padding: var(--space-xl); }
.acceso__card-value { font-family: var(--font-display); font-size: var(--text-2xl); margin: 0 0 var(--space-md); }
.acceso__card p { color: var(--color-ink-2); font-size: var(--text-sm); line-height: 1.55; margin-bottom: var(--space-lg); }

/* ---- Ft4 dense colophon footer ---- */
.colophon { background: var(--color-night); color: var(--color-night-ink); }
.colophon__inner { max-width: 900px; margin: 0 auto; padding: var(--space-2xl) clamp(1.25rem, 4vw, 2.75rem); }
.colophon__inner p { font-family: var(--font-mono); font-size: var(--text-xs); line-height: 1.8; color: color-mix(in oklch, var(--color-night-ink) 78%, transparent); }
.colophon__links { margin-top: var(--space-md); }
.colophon__links a { color: var(--color-night-ink); border-bottom: 1px solid color-mix(in oklch, var(--color-night-ink) 30%, transparent); }
.colophon__links a:hover { color: var(--color-accent); border-color: var(--color-accent); }
.colophon__inner .colophon__meta { margin-top: var(--space-md); color: color-mix(in oklch, var(--color-night-ink) 55%, transparent); }

/* ---- Legal pages ---- */
.site-header { max-width: 1180px; margin: 0 auto; padding: var(--space-md) clamp(1.25rem, 4vw, 2.75rem); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--color-rule); }
.site-header .wordmark { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; color: var(--color-ink); }
.legal-nav { display: flex; align-items: center; gap: var(--space-lg); }
.legal-nav a:not(.btn) { font-size: var(--text-sm); color: var(--color-muted); }
.legal-nav a:not(.btn):hover { color: var(--color-ink); }
.legal-page { max-width: 760px; margin: 0 auto; padding: var(--space-2xl) clamp(1.25rem, 4vw, 2.75rem) var(--space-3xl); }
.legal-inner .kicker { display: block; font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-md); }
.legal-inner .section-title { font-size: var(--text-2xl); margin-bottom: var(--space-xl); }
.legal-inner h2 { font-size: var(--text-lg); margin: var(--space-xl) 0 var(--space-sm); font-family: var(--font-display); font-weight: 600; }
.legal-inner p { color: var(--color-ink-2); font-size: var(--text-sm); line-height: 1.7; margin-bottom: var(--space-md); }
.legal-inner ul { font-size: var(--text-sm); color: var(--color-ink-2); line-height: 1.8; padding-left: var(--space-lg); margin-bottom: var(--space-md); }
.legal-inner li { margin-bottom: var(--space-2xs); }
.legal-inner a { color: var(--color-accent); }

/* ---- Responsive ---- */
@media (max-width: 60rem) {
  .hero { grid-template-columns: 1fr; }
  .hero__proof { order: -1; max-width: 420px; }
  .acceso { grid-template-columns: 1fr; }
  .crosssell__inner { flex-direction: column; align-items: flex-start; text-align: left; }
  .searchpill__text, .searchpill__kbd { display: none; }
  .searchpill { width: 44px; padding: 0; justify-content: center; }
}
@media (max-width: 40rem) {
  .hero { padding-top: var(--space-xl); padding-bottom: var(--space-2xl); }
  .hero__title { font-size: clamp(1.9rem, 8vw, 2.4rem); }
  .stats__inner { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  section:not(.hero):not(.stats):not(.crosssell):not(.colophon) { padding-block: var(--space-2xl); }
  .catalog__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .spec-table, .spec-table tbody, .spec-table tr, .spec-table th, .spec-table td { display: block; width: 100%; }
  .spec-table tr { padding-block: var(--space-md); }
  .spec-note { text-align: left; margin-top: var(--space-2xs); }
  .cmdk__panel { top: 6vh; width: calc(100vw - 1.5rem); max-height: 84vh; }
  .step { grid-template-columns: 1fr; gap: var(--space-2xs); }
}