/* Hallmark · genre: editorial · macrostructure: Narrative Workflow · theme: custom (verified-green anchor hue 155, technical/compliance tone) · enrichment: Tier-A pure-CSS hash-chain record visual · nav: N12 Announcement banner + retracting nav · footer: Ft4 Dense typographic colophon */
/* Hallmark · pre-emit critique: P5 H4 E4 S4 R5 V5 */

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

:root {
  --color-paper:       oklch(97% 0.010 155);
  --color-paper-2:     oklch(94% 0.012 155);
  --color-rule:        oklch(85% 0.012 155);
  --color-neutral:     oklch(56% 0.012 155);
  --color-muted:       oklch(42% 0.010 152);
  --color-ink:         oklch(18% 0.014 155);
  --color-ink-2:       oklch(30% 0.013 155);
  --color-accent:      oklch(52% 0.15 155);
  --color-accent-ink:  oklch(99% 0.006 155);
  --color-focus:       oklch(58% 0.17 155);
  --color-warn:        oklch(62% 0.13 70);
  --color-warn-ink:    oklch(20% 0.02 70);

  --color-emphasis:     oklch(16% 0.016 155);
  --color-emphasis-2:   oklch(23% 0.016 155);
  --color-emphasis-ink: oklch(94% 0.010 155);

  --font-display: "Newsreader", ui-serif, Georgia, serif;
  --font-body:    "General Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", 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: 0.72rem; --text-sm: 0.875rem; --text-base: 1rem; --text-md: 1.2rem;
  --text-lg: 1.5rem; --text-xl: 1.95rem; --text-2xl: 2.6rem; --text-3xl: 3.2rem;
  --text-display: clamp(2.6rem, 3.6vw + 1rem, 4.5rem);
  --text-display-s: clamp(2.1rem, 2.6vw + 1rem, 3.2rem);

  --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;

  --z-base: 1; --z-raised: 10; --z-sticky: 200; --z-modal: 400;
  --radius-card: 3px;
  --banner-h: 42px; --bar-h: 68px;
  font-size: 16px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-paper:       oklch(14% 0.012 155);
    --color-paper-2:     oklch(18% 0.014 155);
    --color-rule:        oklch(30% 0.014 155);
    --color-neutral:     oklch(58% 0.012 155);
    --color-muted:       oklch(70% 0.010 155);
    --color-ink:         oklch(94% 0.008 155);
    --color-ink-2:       oklch(82% 0.010 155);
    --color-accent:      oklch(68% 0.13 155);
    --color-accent-ink:  oklch(14% 0.010 155);
    --color-focus:       oklch(72% 0.15 155);
    --color-emphasis:     oklch(20% 0.016 155);
    --color-emphasis-2:   oklch(25% 0.016 155);
    --color-emphasis-ink: oklch(92% 0.010 155);
  }
}
:root[data-theme="dark"] {
  --color-paper:       oklch(14% 0.012 155);
  --color-paper-2:     oklch(18% 0.014 155);
  --color-rule:        oklch(30% 0.014 155);
  --color-neutral:     oklch(58% 0.012 155);
  --color-muted:       oklch(70% 0.010 155);
  --color-ink:         oklch(94% 0.008 155);
  --color-ink-2:       oklch(82% 0.010 155);
  --color-accent:      oklch(68% 0.13 155);
  --color-accent-ink:  oklch(14% 0.010 155);
  --color-focus:       oklch(72% 0.15 155);
  --color-emphasis:     oklch(20% 0.016 155);
  --color-emphasis-2:   oklch(25% 0.016 155);
  --color-emphasis-ink: oklch(92% 0.010 155);
}

/* ---- Reset / base ---- */
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.6;
  padding-inline: max(0px, env(safe-area-inset-left));
}
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 600; font-style: normal; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: var(--color-accent); }
img { max-width: 100%; display: block; }
.tnum { font-variant-numeric: tabular-nums; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

/* ---- Buttons / links ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2xs);
  height: 46px; padding: 0 var(--space-lg); white-space: nowrap;
  font-family: var(--font-body); font-size: var(--text-sm); font-weight: 600;
  text-decoration: none; border: 1px solid var(--color-accent); border-radius: var(--radius-card);
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform 100ms var(--ease-out);
}
.btn-primary { background: var(--color-accent); color: var(--color-accent-ink); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: transparent; color: var(--color-ink); border-color: var(--color-rule); }
.btn-secondary:hover { border-color: var(--color-accent); color: var(--color-accent); }
.link-arrow {
  display: inline-flex; align-items: center; gap: var(--space-2xs);
  color: var(--color-ink); text-decoration: none; font-weight: 600;
  border-bottom: 1px solid var(--color-rule); padding-bottom: 2px;
  transition: border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.link-arrow:hover { color: var(--color-accent); border-color: var(--color-accent); }

/* ---- N12 Announcement banner + retracting nav ---- */
.nav { position: sticky; top: 0; left: 0; right: 0; z-index: var(--z-sticky);
  transform: translateY(0); transition: transform var(--dur-short) var(--ease-out); background: var(--color-paper); }
.nav.is-compact { transform: translateY(calc(var(--banner-h) * -1)); }
.nav.is-dismissed .nav__banner { display: none; }
.nav__banner {
  height: var(--banner-h); display: flex; align-items: center; justify-content: center; gap: var(--space-md);
  background: var(--color-emphasis); color: var(--color-emphasis-ink);
  font-size: var(--text-sm); padding-inline: var(--space-lg);
}
.nav__banner p { margin: 0; }
.nav__banner a { color: var(--color-emphasis-ink); text-decoration: underline; text-underline-offset: 2px; }
.nav__banner-x {
  background: none; border: 0; color: var(--color-emphasis-ink); opacity: 0.7; cursor: pointer;
  font-size: var(--text-md); line-height: 1; padding: var(--space-sm);
  display: inline-flex; align-items: center; justify-content: center; min-width: 32px; min-height: 32px;
}
.nav__banner-x:hover { opacity: 1; }
.nav__bar { border-bottom: 1px solid var(--color-rule); }
.nav__bar-inner {
  max-width: 1180px; margin: 0 auto; height: var(--bar-h);
  display: flex; align-items: center; padding-inline: var(--space-lg); position: relative;
}
.wordmark { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; color: var(--color-ink); text-decoration: none; }
.nav__links { margin-left: var(--space-2xl); display: flex; align-items: center; gap: var(--space-xl); }
.nav__links a:not(.btn) { color: var(--color-ink-2); text-decoration: none; font-size: var(--text-sm); white-space: nowrap; }
.nav__links a:not(.btn):hover { color: var(--color-accent); }
.nav__cta { margin-left: auto; }
.mobile-menu-toggle { display: none; background: none; border: 0; color: var(--color-ink); margin-left: auto; padding: var(--space-sm); cursor: pointer; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; }

/* ---- Intro / opening statement ---- */
.intro { max-width: 900px; margin: 0 auto; padding: var(--space-3xl) var(--space-lg) var(--space-2xl); }
.intro h1 { font-size: var(--text-display); line-height: 1.06; text-wrap: balance; overflow-wrap: anywhere; min-width: 0; }
.intro h1 .accentword { color: var(--color-accent); }
.intro-lede { font-size: var(--text-md); color: var(--color-ink-2); max-width: 62ch; line-height: 1.6; margin-top: var(--space-lg); }
.intro-actions { display: flex; align-items: center; gap: var(--space-xl); margin-top: var(--space-xl); flex-wrap: wrap; }

/* ---- Narrative Workflow stages (single-column: number fuses into the heading, never a separate label column) ---- */
.flow { max-width: 760px; margin: 0 auto; padding: var(--space-2xl) var(--space-lg) var(--space-3xl); }
.stage { padding-block: var(--space-2xl); border-top: 2px solid var(--color-ink); }
.stage:first-of-type { border-top-width: 2px; }
.stage-head { display: flex; align-items: baseline; gap: var(--space-md); flex-wrap: wrap; margin-bottom: var(--space-md); }
.stage-num { font-family: var(--font-mono); font-size: var(--text-md); color: var(--color-accent); }
.stage-tag { font-family: var(--font-body); font-size: var(--text-xs); color: var(--color-muted); letter-spacing: 0.08em; text-transform: uppercase; }
.stage-body h3 { font-size: var(--text-xl); text-wrap: balance; margin-bottom: var(--space-sm); overflow-wrap: anywhere; }
.stage-body p { color: var(--color-ink-2); font-size: var(--text-base); line-height: 1.65; max-width: 62ch; }
.stage-body p + p { margin-top: var(--space-md); }
.stage-caution { display: inline-flex; align-items: center; gap: var(--space-xs); margin-top: var(--space-md);
  padding: var(--space-xs) var(--space-md); background: color-mix(in oklch, var(--color-warn) 16%, var(--color-paper));
  border: 1px solid var(--color-warn); border-radius: var(--radius-card); font-size: var(--text-sm); color: var(--color-ink-2); max-width: 62ch; }
.stage-caution::before { content: "!"; font-family: var(--font-mono); font-weight: 700; color: var(--color-warn-ink); background: var(--color-warn);
  width: 18px; height: 18px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: var(--text-xs); flex-shrink: 0; }
.flow-foot { padding-top: var(--space-2xl); }

/* ---- Hash-chain visual (Tier-A pure CSS, stage 2.0) ---- */
.chain { display: flex; align-items: stretch; gap: 0; margin-top: var(--space-xl); flex-wrap: wrap; }
.chain-record {
  font-family: var(--font-mono); font-size: var(--text-xs); background: var(--color-paper-2);
  border: 1px solid var(--color-rule); border-radius: var(--radius-card); padding: var(--space-md);
  display: flex; flex-direction: column; gap: var(--space-2xs); min-width: 220px; flex: 1 1 220px;
}
.chain-record-label { color: var(--color-ink); font-weight: 600; letter-spacing: 0.02em; }
.chain-record-row { display: flex; justify-content: space-between; gap: var(--space-sm); color: var(--color-muted); }
.chain-record-row strong { color: var(--color-accent); font-weight: 500; }
.chain-link { display: flex; align-items: center; justify-content: center; width: 40px; flex: 0 0 40px; position: relative; }
.chain-link::before { content: ""; width: 100%; height: 1px; background: var(--color-rule); }
.chain-link::after { content: "→"; position: absolute; color: var(--color-accent); font-family: var(--font-mono); background: var(--color-paper); padding: 0 var(--space-2xs); }

/* ---- Context section ---- */
section:not(.intro):not(.flow):not(.nav) { padding: var(--space-3xl) var(--space-lg); }
.section-inner { max-width: 760px; margin: 0 auto; }
.section-inner h2 { font-size: var(--text-2xl); text-wrap: balance; margin-bottom: var(--space-lg); }
.section-inner p { color: var(--color-ink-2); font-size: var(--text-base); line-height: 1.7; max-width: 68ch; }
.section-inner p + p { margin-top: var(--space-md); }

/* ---- Plazos: F3 tabular spec sheet ---- */
.plazos { background: var(--color-paper-2); }
.spec-table { width: 100%; border-collapse: collapse; max-width: 760px; margin: var(--space-xl) auto 0; }
.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-mono); font-size: var(--text-sm); font-weight: 600; width: 32%; color: var(--color-ink); white-space: nowrap; }
.spec-table td.spec-cat { width: 22%; color: var(--color-accent); font-size: var(--text-sm); font-weight: 600; }
.spec-table td.spec-note { color: var(--color-ink-2); font-size: var(--text-sm); line-height: 1.5; }

/* ---- Estado actual ---- */
.estado { background: var(--color-emphasis); color: var(--color-emphasis-ink); }
.estado .section-inner p { color: color-mix(in oklch, var(--color-emphasis-ink) 82%, transparent); }
.estado .section-inner h2 { color: var(--color-emphasis-ink); }
.estado-card { max-width: 760px; margin: var(--space-xl) auto 0; border: 1px solid var(--color-emphasis-2); border-radius: var(--radius-card);
  padding: var(--space-xl); display: flex; align-items: center; justify-content: space-between; gap: var(--space-xl); flex-wrap: wrap; }
.estado-card-label { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); }
.estado-card-value { font-family: var(--font-display); font-size: var(--text-xl); margin-top: var(--space-2xs); }
.estado-card-note { font-size: var(--text-sm); color: color-mix(in oklch, var(--color-emphasis-ink) 72%, transparent); margin-top: var(--space-2xs); max-width: 42ch; }

/* ---- Final CTA strip ---- */
.cta-strip { text-align: center; padding: var(--space-3xl) var(--space-lg); }
.cta-strip p { color: var(--color-ink-2); font-size: var(--text-md); margin-bottom: var(--space-lg); max-width: 52ch; margin-inline: auto; }

/* ---- Ft4 Dense typographic footer ---- */
.site-footer { background: var(--color-emphasis); color: var(--color-emphasis-ink); padding: var(--space-2xl) var(--space-lg); }
.site-footer-inner { max-width: 1080px; margin: 0 auto; }
.site-footer p {
  font-family: var(--font-mono); font-size: var(--text-xs); line-height: 1.9;
  color: color-mix(in oklch, var(--color-emphasis-ink) 78%, transparent);
}
.site-footer a { color: color-mix(in oklch, var(--color-emphasis-ink) 92%, transparent); text-decoration: underline; text-underline-offset: 2px; }
.site-footer a:hover { color: var(--color-accent); }

/* ---- Legal pages (compat shim — reuses N12/Ft4 tokens with simplified markup) ---- */
.legal-header {
  max-width: 1180px; margin: 0 auto; height: var(--bar-h);
  display: flex; align-items: center; padding-inline: var(--space-lg);
  border-bottom: 1px solid var(--color-rule);
}
.legal-nav { display: flex; align-items: center; gap: var(--space-lg); margin-left: auto; }
.legal-nav a:not(.btn) { color: var(--color-ink-2); text-decoration: none; font-size: var(--text-sm); }
.legal-nav a:not(.btn):hover { color: var(--color-accent); }
.legal-page { max-width: 720px; margin: 0 auto; padding: var(--space-2xl) var(--space-lg) 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-family: var(--font-display); font-size: var(--text-2xl); margin-bottom: var(--space-xl); text-wrap: balance; }
.declaracion-intro { color: var(--color-ink-2); font-family: var(--font-body); font-size: var(--text-sm); line-height: 1.65; margin-bottom: var(--space-xl); }
.legal-inner h2 { font-family: var(--font-display); font-size: var(--text-lg); margin: var(--space-xl) 0 var(--space-sm); }
.legal-inner p { color: var(--color-ink-2); font-size: var(--text-sm); line-height: 1.75; margin-bottom: var(--space-md); }
.legal-inner ul { color: var(--color-ink-2); font-size: var(--text-sm); line-height: 1.85; padding-left: var(--space-lg); margin: 0 0 var(--space-md); }
.legal-inner li { margin-bottom: var(--space-2xs); }
.legal-inner a { color: var(--color-accent); }
.legal-meta { color: var(--color-muted); font-size: var(--text-xs); margin-top: var(--space-xl); padding-top: var(--space-lg); border-top: 1px solid var(--color-rule); }

/* ---- Page-load reveal (one orchestrated entrance, editorial = quiet) ---- */
.reveal { opacity: 0; transform: translateY(8px); animation: reveal var(--dur-long) var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 70ms); }
@keyframes reveal { to { opacity: 1; transform: none; } }

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

/* ---- Responsive ---- */
@media (max-width: 60rem) {
  .nav__links { display: none; }
  .nav__links.is-open {
    display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-md);
    position: absolute; top: 100%; left: 0; right: 0; background: var(--color-paper);
    border-bottom: 1px solid var(--color-rule); padding: var(--space-lg);
  }
  .mobile-menu-toggle { display: block; margin-left: auto; }
  .nav__cta { margin-left: var(--space-sm); }
  .spec-table th, .spec-table td, .spec-table tr { display: block; width: 100%; }
  .spec-table tr { padding-block: var(--space-sm); }
  .spec-table td.spec-note { margin-top: var(--space-2xs); }
  .estado-card { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 40rem) {
  .intro { padding: var(--space-2xl) var(--space-md) var(--space-xl); }
  section:not(.intro):not(.flow):not(.nav) { padding: var(--space-2xl) var(--space-md); }
  .flow { padding: var(--space-xl) var(--space-md) var(--space-2xl); }
  .stage { padding-block: var(--space-xl); }
  .chain { flex-direction: column; }
  .chain-link { width: 100%; height: 28px; flex: 0 0 28px; }
  .chain-link::before { width: 1px; height: 100%; }
  .chain-link::after { content: "↓"; }
  .intro-actions { flex-direction: column; align-items: flex-start; gap: var(--space-md); }
  .legal-page { padding: var(--space-xl) var(--space-md) var(--space-2xl); }
}