/* ==========================================================================
   Web pública — «biblioteca de noche», edición editorial.
   Depende de tokens.css (colores, tipos, espaciado) y fonts.css. No redefine variables
   compartidas, salvo el tema claro sin JS (prefers-color-scheme) al final del bloque base.
   Escala tipográfica (rem): 0.75 · 0.8125 · 0.875 · 1 · 1.0625 · 1.3125 · 1.75 · 2.25 · 3 · 4.5
   ========================================================================== */

/* ---------- Tema claro sin JS: respeta el sistema si no hay data-theme ---------- */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --ink: #F4EFE6; --surface: #FBF8F2; --surface-2: #EFE8DB;
    --line: rgba(15, 22, 20, 0.12); --line-strong: rgba(15, 22, 20, 0.28);
    --text: #17201D; --text-muted: #5C6B65;
    --brass: #8F6B33; --brass-soft: rgba(143, 107, 51, 0.14); --brass-text: #7A5B2A;
    --pine: #2F6F5E; --pine-text: #2A6354; --pine-soft: rgba(47, 111, 94, 0.13);
    --clay: #A8432F; --clay-text: #9A3B28; --clay-soft: rgba(168, 67, 47, 0.11);
    --mist: #6F827A; --on-solid: #F4EFE6; --scrim: rgba(23, 32, 29, 0.45); --grain-opacity: 0.035;
    color-scheme: light;
  }
}

:root {
  --wrap: 1240px;
  --gutter: clamp(16px, 4.2vw, 56px);
  --head-h: 64px;
  --fs-body: 1.0625rem;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--head-h) + 16px); }
html.no-scroll { overflow: hidden; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100dvh;
  display: flex; flex-direction: column;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .6 0 0 0 0 .6 0 0 0 0 .55 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}
main { flex: 1; position: relative; z-index: 1; outline: none; }
h1, h2, h3, h4, p, figure, ul, ol, dl, dd, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration-color: var(--line-strong); text-decoration-thickness: 1px; text-underline-offset: 3px; transition: text-decoration-color var(--t-fast), color var(--t-fast); }
a:hover { text-decoration-color: currentColor; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--brass-soft); }
code { font-family: var(--font-mono); font-size: 0.875em; }
.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.theme-anim, .theme-anim body, .theme-anim .site-head, .theme-anim .sheet, .theme-anim .opt { transition: background-color 300ms ease, color 300ms ease, border-color 300ms ease; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- Tipografía ---------- */
.display { font-family: var(--font-display); font-weight: 370; font-variation-settings: "opsz" 144, "SOFT" 30; letter-spacing: -0.024em; line-height: 1.04; text-wrap: balance; }
.d-hero { font-size: clamp(2.5rem, 6.3vw, 5.5rem); font-weight: 340; letter-spacing: -0.034em; line-height: 0.98; }
.d-xl { font-size: clamp(2.25rem, 5.4vw, 4.5rem); font-weight: 350; letter-spacing: -0.03em; }
.d-lg { font-size: clamp(1.75rem, 3.4vw, 2.75rem); }
.d-md { font-size: clamp(1.5rem, 2.6vw, 2rem); line-height: 1.12; }
.h3 { font-family: var(--font-display); font-size: var(--fs-21); font-weight: 430; font-variation-settings: "opsz" 36; letter-spacing: -0.01em; line-height: 1.25; margin: var(--s6) 0 var(--s3); }
.lede { font-size: clamp(1.0625rem, 1.55vw, 1.25rem); line-height: 1.55; color: var(--text-muted); max-width: 36em; text-wrap: pretty; }
.figure { font-family: var(--font-display); font-variation-settings: "opsz" 144; font-weight: 340; letter-spacing: -0.03em; line-height: 1; font-variant-numeric: lining-nums tabular-nums; }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; font-size: 0.94em; }
.prose { max-width: 66ch; }
.prose p + p, .prose p + ul, .prose ul + p { margin-top: var(--s4); }
.prose a, .aside a, .notes a, .faq__a a, .notice a, .legal a { text-decoration-color: color-mix(in srgb, var(--brass) 70%, transparent); }
.prose b { font-weight: 600; }
.aside { font-size: var(--fs-14); color: var(--text-muted); margin-top: var(--s4); max-width: 70ch; }
.link { font-weight: 560; text-decoration-color: var(--brass); text-underline-offset: 5px; }
.link:hover { color: var(--brass-text); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s2);
  min-height: 44px; padding: 0 20px; border-radius: var(--r-pill); border: var(--hair) solid transparent;
  background: var(--text); color: var(--on-solid); font-weight: 560; font-size: var(--fs-14); letter-spacing: 0.005em;
  text-decoration: none; white-space: nowrap; text-align: center;
  transition: transform var(--t-fast) var(--ease), background-color var(--t-fast), border-color var(--t-fast), opacity var(--t-fast);
}
.btn:hover { opacity: 0.88; }
.btn:active { transform: scale(0.975); }
.btn[disabled] { opacity: 0.38; cursor: not-allowed; transform: none; }
.btn--line { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn--line:hover { opacity: 1; border-color: var(--text); }
.btn--lg { min-height: 52px; padding: 0 26px; font-size: var(--fs-16); }
.btn--sm { min-height: 36px; padding: 0 16px; font-size: var(--fs-13); }
.btn[data-busy] { opacity: 0.6; }
.linkbtn { background: none; border: 0; padding: 6px 2px; color: var(--text-muted); font-size: var(--fs-14); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.linkbtn:hover { color: var(--text); }
.cta-row { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s6); }

/* ---------- Cabecera ---------- */
.skip { position: absolute; left: var(--s3); top: -60px; z-index: 200; background: var(--text); color: var(--on-solid); padding: 10px 16px; border-radius: var(--r-pill); font-weight: 600; text-decoration: none; }
.skip:focus { top: var(--s3); }
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--ink) 84%, transparent);
  -webkit-backdrop-filter: saturate(1.2) blur(14px); backdrop-filter: saturate(1.2) blur(14px);
  border-bottom: var(--hair) solid var(--line);
}
.site-head__in { height: var(--head-h); display: flex; align-items: center; gap: var(--s5); }
.wordmark { font-family: var(--font-display); font-size: 1.375rem; font-weight: 460; letter-spacing: -0.02em; font-variation-settings: "opsz" 36; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; }
.wordmark::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--brass); flex: none; box-shadow: 0 0 0 4px var(--brass-soft); }
.site-nav { display: none; margin-left: auto; }
.site-nav > ul { display: flex; align-items: center; gap: 2px; }
.site-nav a, .navdrop summary { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 0 12px; border-radius: var(--r-pill); font-size: var(--fs-14); color: var(--text-muted); text-decoration: none; transition: color var(--t-fast), background-color var(--t-fast); }
.site-nav a:hover, .navdrop summary:hover { color: var(--text); }
.site-nav a[aria-current="page"], .navdrop summary[data-current] { color: var(--text); background: var(--surface-2); }
.navdrop { position: relative; }
.navdrop summary { cursor: pointer; list-style: none; }
.navdrop summary::-webkit-details-marker { display: none; }
.navdrop summary svg { width: 12px; height: 12px; transition: transform var(--t-fast) var(--ease); }
.navdrop[open] summary svg { transform: rotate(180deg); }
.navdrop__panel { position: absolute; top: calc(100% + 8px); left: -8px; min-width: 300px; padding: 8px; background: var(--surface); border: var(--hair) solid var(--line-strong); border-radius: var(--r-card); box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.45); }
.navdrop__panel a { display: flex; gap: 14px; width: 100%; min-height: 48px; padding: 0 12px; border-radius: 10px; color: var(--text); }
.navdrop__panel a:hover { background: var(--surface-2); }
.navdrop__code { font-family: var(--font-display); font-size: var(--fs-18); color: var(--brass-text); min-width: 1.8em; font-variant-numeric: lining-nums; }
.site-head__act { display: flex; align-items: center; gap: var(--s2); margin-left: auto; }
.site-head__enter { display: none; font-size: var(--fs-14); font-weight: 560; padding: 0 10px; text-decoration: none; min-height: 40px; align-items: center; }
.site-head__enter:hover { color: var(--brass-text); }
.site-head__cta { display: none; }
.iconbtn { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; border: var(--hair) solid var(--line); background: transparent; color: var(--text-muted); transition: color var(--t-fast), border-color var(--t-fast); }
.iconbtn:hover { color: var(--text); border-color: var(--line-strong); }
.iconbtn svg { width: 18px; height: 18px; }
.iconbtn .i-moon { display: none; }
[data-theme="light"] .iconbtn .i-sun { display: none; }
[data-theme="light"] .iconbtn .i-moon { display: block; }
.menubtn { min-height: 40px; padding: 0 16px; border-radius: var(--r-pill); border: var(--hair) solid var(--line-strong); background: transparent; font-size: var(--fs-14); font-weight: 560; }
.menubtn:hover { border-color: var(--text); }
@media (min-width: 640px) {
  .site-head__enter { display: inline-flex; }
  .site-head__cta { display: inline-flex; }
}
@media (min-width: 1080px) {
  .site-nav { display: block; }
  .site-head .menubtn { display: none; }
  .site-head__act { margin-left: var(--s2); }
}

/* Menú móvil (hoja a pantalla completa) */
.menu { position: fixed; inset: 0; z-index: 100; background: var(--ink); overflow-y: auto; opacity: 0; transform: translateY(-8px); transition: opacity 200ms var(--ease), transform 240ms var(--ease); }
.menu.is-open { opacity: 1; transform: none; }
.menu__top { height: var(--head-h); display: flex; align-items: center; justify-content: space-between; border-bottom: var(--hair) solid var(--line); }
.menu__nav { padding-top: var(--s6); padding-bottom: var(--s7); display: grid; gap: var(--s5); }
.menu__group { font-size: var(--fs-13); color: var(--text-muted); }
.menu__cossos { display: grid; gap: 0; margin-top: calc(var(--s3) * -1); }
.menu__cossos a { display: flex; align-items: baseline; gap: 14px; padding: 12px 0; border-bottom: var(--hair) solid var(--line); text-decoration: none; font-size: var(--fs-18); }
.menu__main { display: grid; }
.menu__main a { display: block; padding: 10px 0; font-family: var(--font-display); font-size: 1.75rem; font-weight: 360; letter-spacing: -0.02em; text-decoration: none; font-variation-settings: "opsz" 72; }
.menu a[aria-current="page"] { color: var(--brass-text); }
.menu__cta { display: grid; gap: var(--s3); margin-top: var(--s3); }

/* ---------- Pie ---------- */
.site-foot { position: relative; z-index: 1; margin-top: var(--s8); border-top: var(--hair) solid var(--line); padding: var(--s7) 0 var(--s7); font-size: var(--fs-14); }
.foot__top { display: grid; gap: var(--s6); }
.foot__brand p { color: var(--text-muted); margin-top: var(--s3); max-width: 34ch; }
.foot__cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s6) var(--s5); }
.foot__h { color: var(--text-muted); font-size: var(--fs-13); margin-bottom: var(--s3); }
.foot__col li + li { margin-top: 8px; }
.foot__col a { text-decoration: none; }
.foot__col a:hover { color: var(--brass-text); }
.foot__notes { margin-top: var(--s7); padding-top: var(--s5); border-top: var(--hair) solid var(--line); display: grid; gap: var(--s2); color: var(--text-muted); font-size: var(--fs-13); max-width: 92ch; }
@media (min-width: 900px) {
  .foot__top { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
  .foot__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- Estructura de sección: título en el margen ---------- */
.sec { display: grid; gap: var(--s6); padding-top: var(--s8); }
.sec > .sec__rail { display: grid; gap: var(--s3); align-content: start; }
.sec > .sec__main { min-width: 0; }
.sec__rail .display { max-width: 16em; }
.sec__intro { color: var(--text-muted); max-width: 38ch; font-size: var(--fs-16); }
.sec + .sec > .sec__rail, .thesis + .sec > .sec__rail { border-top: var(--hair) solid var(--line-strong); padding-top: var(--s4); }
@media (min-width: 960px) {
  .sec { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); column-gap: clamp(32px, 5vw, 80px); padding-top: 112px; }
  .sec > .sec__rail { position: sticky; top: calc(var(--head-h) + 32px); }
  .sec + .sec > .sec__main, .thesis + .sec > .sec__main { border-top: var(--hair) solid var(--line); padding-top: var(--s4); }
  .sec__main > .steps:first-child > li { border-top: 0; padding-top: 0; }
  .sec__main > .faq:first-child, .sec__main > .addons:first-child, .sec__main > .toc:first-child, .sec__main > .facts:first-child > div:first-child, .sec__main > .helplines:first-child { border-top: 0; }
}
.more { margin-top: var(--s5); }

/* Cabecera de página interior */
.phead { padding-top: clamp(48px, 9vw, 112px); padding-bottom: var(--s5); display: grid; gap: var(--s4); }
.phead__kicker { font-size: var(--fs-14); color: var(--brass-text); }
.phead__title { max-width: 15em; }
.phead__lede { max-width: 40em; }

/* ---------- Portada: héroe ---------- */
.hero { display: grid; gap: var(--s7); padding-top: clamp(40px, 8vw, 96px); align-items: center; }
.hero__copy { display: grid; gap: var(--s5); align-content: center; }
.hero__lede { max-width: 32em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s2); }
.hero__small { font-size: var(--fs-14); color: var(--text-muted); }
@media (max-width: 479px) { .hero__cta .btn { width: 100%; } }
@media (min-width: 960px) {
  .hero { grid-template-columns: minmax(0, 6.2fr) minmax(0, 5fr); column-gap: clamp(32px, 5vw, 88px); min-height: min(880px, calc(100svh - var(--head-h))); padding-top: var(--s6); padding-bottom: var(--s6); }
}

/* El reloj: dial + leyenda numerada */
.watch { display: grid; gap: var(--s5); justify-items: center; }
.watch__dial { width: 100%; max-width: 440px; }
.watch__notes { width: 100%; max-width: 480px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s4) var(--s5); counter-reset: n; }
.watch__notes li { counter-increment: n; display: grid; grid-template-columns: 22px minmax(0, 1fr); column-gap: 10px; row-gap: 2px; align-content: start; padding-top: var(--s3); border-top: var(--hair) solid var(--line-strong); font-size: var(--fs-13); }
.watch__notes li::before { content: counter(n); grid-row: span 2; width: 20px; height: 20px; border-radius: 50%; border: var(--hair) solid var(--brass); color: var(--brass-text); display: grid; place-items: center; font-size: 11px; font-weight: 600; margin-top: 1px; }
.watch__notes b { font-weight: 600; font-size: var(--fs-14); }
.watch__notes span { color: var(--text-muted); }
.watch figcaption { font-size: var(--fs-13); color: var(--text-muted); text-align: center; max-width: 40ch; }

/* ---------- Dial ---------- */
.dial { position: relative; width: 100%; aspect-ratio: 256 / 240; margin: 0 auto; container-type: inline-size; }
.dial > svg { width: 100%; height: 100%; overflow: visible; }
.dial__track { fill: none; stroke: var(--line-strong); stroke-width: 1; }
.dial__tick { stroke: var(--line-strong); stroke-width: 1; transition: stroke 180ms ease; }
.dial__tick--major { stroke: var(--mist); }
.dial__tick.is-lit { stroke: var(--brass); }
.dial__ticklabel { fill: var(--mist); font-family: var(--font-mono); font-size: 7.5px; text-anchor: middle; dominant-baseline: middle; }
.dial__band { fill: none; stroke: var(--brass); stroke-opacity: 0.3; stroke-width: 11; }
.dial__arc { fill: none; stroke: var(--brass); stroke-width: 2; stroke-linecap: round; }
.dial__needle { stroke: var(--text); stroke-width: 1.6; stroke-linecap: round; }
.dial__pass { stroke: var(--pine-text); stroke-width: 1.5; }
.dial__passlabel { fill: var(--pine-text); font-family: var(--font-ui); font-size: 7.5px; font-weight: 600; text-anchor: middle; dominant-baseline: middle; }
.dial__cal { fill: none; stroke: var(--mist); stroke-width: 2; stroke-linecap: round; opacity: 0; }
.dial__mk circle { fill: var(--ink); stroke: var(--brass); stroke-width: 0.8; }
.dial__mk text { fill: var(--brass-text); font-family: var(--font-ui); font-size: 7px; font-weight: 700; text-anchor: middle; dominant-baseline: central; }
.dial__center { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; text-align: center; gap: 2px; padding-top: 4%; }
.dial__value { font-family: var(--font-display); font-variation-settings: "opsz" 144; font-weight: 330; letter-spacing: -0.035em; line-height: 1; font-variant-numeric: lining-nums tabular-nums; font-size: clamp(2.75rem, 22cqw, 5.75rem); }
.dial__value.is-pct::after { content: " %"; font-size: 0.42em; letter-spacing: 0; color: var(--text-muted); }
.dial__of { font-size: var(--fs-13); color: var(--text-muted); }
.dial__range { font-size: var(--fs-13); color: var(--text-muted); margin-top: 6px; }
.dial__range .num { color: var(--text); }
.dial__trend { display: inline-flex; align-items: center; gap: 4px; font-size: var(--fs-13); margin-top: 2px; }
.dial__trend svg { width: 12px; height: 12px; }
.dial__trend.up { color: var(--pine-text); }
.dial__trend.down { color: var(--clay-text); }
.dial__trend.flat { color: var(--text-muted); }
.dial__sup { font-size: 9px; color: var(--brass-text); font-weight: 700; margin-left: 2px; border: var(--hair) solid var(--brass); border-radius: 50%; width: 14px; height: 14px; display: inline-grid; place-items: center; line-height: 1; vertical-align: 1px; }
/* Coreografía (site-dial.js). Antes de armarse, el dial espera oculto; si el JS no llega, aparece igualmente a los 3 s. */
@media (prefers-reduced-motion: no-preference) {
  .js [data-dial-stage] .dial:not(.is-armed) :is(.dial__band, .dial__arc, .dial__needle, .dial__mk, .dial__center) { opacity: 0; animation: dial-failsafe 1ms linear 3s forwards; }
}
@keyframes dial-failsafe { to { opacity: 1; } }
.dial.is-cal :is(.dial__band, .dial__arc, .dial__needle, .dial__mk, .dial__range, .dial__trend) { opacity: 0; }
.dial.is-cal .dial__cal { opacity: 1; }
.dial.is-cal .dial__of { color: var(--mist); }
.dial.is-reveal .dial__cal { opacity: 0; transition: opacity 400ms ease; }
.dial.is-reveal :is(.dial__needle, .dial__range, .dial__trend, .dial__mk) { opacity: 0; transition: opacity 420ms ease; }
.dial.is-reveal.is-done .dial__needle { opacity: 1; }
.dial.is-reveal.is-done .dial__range { opacity: 1; transition-delay: 80ms; }
.dial.is-reveal.is-done .dial__trend { opacity: 1; transition-delay: 220ms; }
.dial.is-reveal.is-done .dial__mk { opacity: 1; transition-delay: 380ms; }

/* ---------- Tesis ---------- */
.thesis { display: grid; gap: var(--s5); padding-top: var(--s8); }
.thesis__h { font-size: clamp(1.875rem, 4.4vw, 3.5rem); font-weight: 340; max-width: 18em; font-style: italic; font-variation-settings: "opsz" 144, "SOFT" 70; }
.thesis__body { display: grid; gap: var(--s4); color: var(--text-muted); max-width: 100%; }
.thesis__body p { max-width: 58ch; }
@media (min-width: 960px) {
  .thesis { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); column-gap: clamp(32px, 5vw, 80px); padding-top: 128px; }
  .thesis__h { grid-column: 1 / -1; }
  .thesis__body { grid-column: 2; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--s6); font-size: var(--fs-16); }
}

/* ---------- Índice de cuerpos ---------- */
.ix { display: grid; }
.ix__row { display: grid; gap: var(--s4); padding: var(--s5) 0 var(--s6); border-bottom: var(--hair) solid var(--line); }
.ix__row:first-child { padding-top: 0; }
.ix__link { display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: var(--s4); row-gap: var(--s2); align-items: baseline; text-decoration: none; }
.ix__code { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 300; letter-spacing: -0.04em; line-height: 0.9; font-variant-numeric: lining-nums; color: var(--text); transition: color var(--t-base) var(--ease); }
.ix__name { display: grid; gap: 2px; }
.ix__name b { font-family: var(--font-display); font-weight: 420; font-size: var(--fs-21); letter-spacing: -0.01em; line-height: 1.2; font-variation-settings: "opsz" 36; }
.ix__name span { color: var(--text-muted); font-size: var(--fs-14); }
.ix__more { grid-column: 2; font-size: var(--fs-14); font-weight: 560; text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 5px; }
.ix__link:hover .ix__code { color: var(--brass); }
.ix__fact { font-size: var(--fs-14); color: var(--text-muted); max-width: 64ch; }
@media (min-width: 720px) {
  .ix__link { grid-template-columns: 5.5rem minmax(0, 1fr) auto; }
  .ix__more { grid-column: 3; }
}

/* ---------- Regla del examen ---------- */
.rule { display: grid; gap: 6px; margin: var(--s2) 0 var(--s5); }
.rule i { font-style: normal; }
.rule__bar { position: relative; display: flex; gap: 3px; height: 14px; margin-top: 22px; }
.rule__seg { position: relative; flex: var(--w) 1 0; min-width: 0; border-radius: 3px; background: color-mix(in srgb, var(--mist) 34%, transparent); }
.rule__seg--especifica, .rule__seg--teoria { background: color-mix(in srgb, var(--mist) 58%, transparent); }
.rule__seg--practica { background: var(--brass); }
.rule__min { position: absolute; top: -4px; bottom: -4px; left: calc(var(--m) * 100%); width: 2px; margin-left: -1px; background: var(--text); border-radius: 1px; }
.rule__pass { position: absolute; top: -22px; bottom: -6px; left: calc(var(--x) * 100%); width: 0; border-left: 1px dashed var(--pine-text); }
.rule__pass span { position: absolute; top: -2px; left: 6px; font-size: 11px; font-weight: 600; color: var(--pine-text); white-space: nowrap; }
.rule__scale { position: relative; height: 18px; }
.rule__tick { position: absolute; left: calc(var(--x) * 100%); top: 0; height: 4px; border-left: 1px solid var(--line-strong); }
.rule__tick--major { height: 6px; border-color: var(--mist); }
.rule__tick span { position: absolute; top: 6px; transform: translateX(-50%); font-family: var(--font-mono); font-size: 10.5px; color: var(--mist); }
.rule__tick:first-child span { transform: none; }
.rule__tick:last-child span { transform: translateX(-100%); }
.rule__legend { display: grid; gap: var(--s3); margin-top: var(--s2); }
.rule__leg { display: grid; grid-template-columns: 12px minmax(0, 1fr); column-gap: 10px; align-content: start; font-size: var(--fs-13); color: var(--text-muted); }
.rule__leg::before { content: ""; grid-row: span 3; width: 12px; height: 12px; border-radius: 3px; margin-top: 4px; background: color-mix(in srgb, var(--mist) 34%, transparent); }
.rule__leg--especifica::before, .rule__leg--teoria::before { background: color-mix(in srgb, var(--mist) 58%, transparent); }
.rule__leg--practica::before { background: var(--brass); }
.rule__leg b { color: var(--text); font-weight: 600; font-size: var(--fs-14); }
.rule--compact { margin: 0; }
.rule--compact .rule__legend { gap: 6px; }
.rule--compact .rule__leg { grid-template-columns: 12px auto minmax(0, 1fr); }
.rule--compact .rule__leg::before { grid-row: auto; margin-top: 5px; }
.rule--compact .rule__leg span { padding-left: 4px; }
.rule--compact .rule__leg span:last-child { display: none; }
@media (min-width: 720px) {
  .rule__legend { display: flex; gap: 3px; }
  .rule__leg { flex: var(--w) 1 0; min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr); padding-right: var(--s3); }
  .rule__leg::before { display: none; }
  .rule--compact .rule__leg { grid-template-columns: minmax(0, 1fr); }
  .rule--compact .rule__leg span { padding-left: 0; }
}

/* ---------- Pasos (secuencia real) ---------- */
.steps { display: grid; gap: var(--s5); counter-reset: step; }
.steps li { counter-increment: step; display: grid; gap: var(--s2); align-content: start; padding-top: var(--s4); border-top: var(--hair) solid var(--line-strong); }
.steps li::before { content: counter(step); font-family: var(--font-display); font-size: var(--fs-36); color: var(--brass); line-height: 1; font-weight: 300; font-variant-numeric: lining-nums; }
.steps h3 { font-family: var(--font-display); font-size: var(--fs-21); font-weight: 430; font-variation-settings: "opsz" 36; letter-spacing: -0.01em; line-height: 1.25; }
.steps p { color: var(--text-muted); font-size: var(--fs-16); }
@media (min-width: 720px) {
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: var(--s5); }
  .steps--plain { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: var(--s6); }
}

/* ---------- Hoja de examen (pregunta de muestra y test) ---------- */
.sheet { background: var(--surface); border: var(--hair) solid var(--line); border-radius: var(--r-card); padding: clamp(18px, 3vw, 32px); display: grid; gap: var(--s5); box-shadow: 0 1px 0 var(--line) inset; }
.sheet__head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px var(--s4); padding-bottom: var(--s3); border-bottom: var(--hair) solid var(--line); font-size: var(--fs-13); color: var(--text-muted); }
.sheet__head span:last-child { color: var(--brass-text); }
.sheet__stem { font-family: var(--font-ui); font-size: clamp(1.0625rem, 1.6vw, 1.1875rem); font-weight: 450; line-height: 1.6; letter-spacing: 0; outline: none; text-wrap: pretty; }
.sheet__n { font-family: var(--font-display); font-weight: 500; color: var(--brass-text); margin-right: 4px; font-variant-numeric: lining-nums; }
.sheet__opts { display: grid; gap: var(--s2); }
.opt { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: var(--s3); align-items: start; text-align: left; width: 100%; padding: 13px var(--s4); border: var(--hair) solid var(--line); border-radius: 12px; background: var(--ink); line-height: 1.5; font-size: var(--fs-16); transition: border-color var(--t-fast), background-color var(--t-fast), transform 120ms var(--ease); }
.opt:hover { border-color: var(--line-strong); }
.opt:active { transform: scale(0.99); }
.opt i { font-style: normal; font-family: var(--font-display); font-size: var(--fs-16); color: var(--text-muted); line-height: 1.5; }
.opt.is-picked { border-color: var(--brass); background: var(--brass-soft); }
.opt.is-picked i { color: var(--brass-text); }
.opt.is-right { border-color: var(--pine); background: var(--pine-soft); }
.opt.is-right i { color: var(--pine-text); font-weight: 600; }
.opt.is-wrong { border-color: var(--clay); background: var(--clay-soft); }
.opt.is-wrong i { color: var(--clay-text); font-weight: 600; }
.opt.is-static { opacity: 0.55; }
.opt[aria-disabled="true"] { cursor: default; transform: none; }
.sheet__sol summary { cursor: pointer; font-size: var(--fs-14); font-weight: 560; color: var(--text-muted); list-style: none; display: inline-flex; gap: 8px; align-items: center; min-height: 32px; }
.sheet__sol summary::-webkit-details-marker { display: none; }
.sheet__sol summary::before { content: ""; width: 7px; height: 7px; border-right: 1.4px solid currentColor; border-bottom: 1.4px solid currentColor; transform: rotate(-45deg); transition: transform var(--t-fast); }
.sheet__sol[open] summary::before { transform: rotate(45deg); }
.sheet.is-answered .sheet__sol summary { color: var(--text); }
.explain { display: grid; gap: var(--s3); margin-top: var(--s3); padding: var(--s4) var(--s4) var(--s4) var(--s5); border-left: 2px solid var(--brass); background: color-mix(in srgb, var(--surface-2) 70%, transparent); border-radius: 0 10px 10px 0; font-size: var(--fs-16); line-height: 1.6; }
.explain__src { font-size: var(--fs-13); color: var(--text-muted); }
.explain b { font-weight: 600; }
.cases { display: grid; gap: var(--s6); }

/* Listas con marca */
.ticks { display: grid; gap: var(--s4); }
.ticks li { position: relative; padding-left: 22px; color: var(--text-muted); max-width: 64ch; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 0.78em; width: 11px; height: 1px; background: var(--brass); }
.ticks b { color: var(--text); font-weight: 600; }
.ticks--no li::before { background: var(--clay); }
.ticks--warn li::before { background: var(--mist); }

/* ---------- Mar ---------- */
.mar { display: grid; gap: var(--s6); align-items: center; }
.mar__portrait, .marhero__portrait { position: relative; width: 100%; max-width: 300px; aspect-ratio: 400 / 480; }
.mar__portrait svg, .marhero__portrait svg { width: 100%; height: 100%; }
.mar__fallback { position: absolute; inset: 0; display: grid; place-items: center; }
.mar__fallback i { width: 62%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 56% 40%, color-mix(in srgb, var(--brass) 55%, transparent), color-mix(in srgb, var(--brass) 10%, transparent) 55%, transparent 72%); animation: breathe 6.2s ease-in-out infinite; }
@keyframes breathe { 0%, 100% { transform: scale(1); opacity: .85; } 50% { transform: scale(1.05); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .mar__fallback i { animation: none; } }
.mar__text { display: grid; gap: var(--s5); }
.quote { font-family: var(--font-display); font-size: clamp(1.375rem, 2.4vw, 1.75rem); line-height: 1.32; font-style: italic; font-weight: 330; font-variation-settings: "opsz" 72, "SOFT" 90; max-width: 26em; text-wrap: pretty; }
.notice { font-size: var(--fs-14); color: var(--text-muted); padding-left: var(--s4); border-left: 2px solid var(--line-strong); max-width: 60ch; }
.notice b { color: var(--text); font-weight: 600; }
@media (min-width: 720px) {
  .mar { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); column-gap: var(--s6); }
}

/* ---------- Planes (resumen en portada) ---------- */
.pilot { padding: var(--s4) var(--s5); border: var(--hair) solid color-mix(in srgb, var(--brass) 45%, transparent); background: var(--brass-soft); border-radius: var(--r-card); font-size: var(--fs-16); margin-bottom: var(--s6); }
.pilot b, .banner b { font-weight: 600; }
.plans2 { display: grid; gap: var(--s6); }
.plan2 { display: grid; gap: var(--s3); align-content: start; padding-top: var(--s4); border-top: 2px solid var(--line-strong); }
.plan2--premium { border-top-color: var(--brass); }
.plan2__name { font-family: var(--font-display); font-weight: 420; font-size: var(--fs-21); font-variation-settings: "opsz" 36; }
.plan2__price { color: var(--text-muted); font-size: var(--fs-14); }
.plan2__price .figure { display: block; font-size: clamp(2.5rem, 4.6vw, 3.25rem); color: var(--text); margin-bottom: 4px; }
.plan2__founder { font-size: var(--fs-14); color: var(--brass-text); }
.plan2__desc { color: var(--text-muted); font-size: var(--fs-16); }
@media (min-width: 720px) { .plans2 { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--s6); } }

/* ---------- Preguntas frecuentes ---------- */
.faq { border-top: var(--hair) solid var(--line-strong); }
.faq__item { border-bottom: var(--hair) solid var(--line); }
.faq__item summary { display: grid; grid-template-columns: minmax(0, 1fr) 20px; gap: var(--s4); align-items: center; padding: var(--s4) 0; cursor: pointer; list-style: none; font-size: var(--fs-18); font-weight: 520; line-height: 1.4; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--brass-text); }
.faq__item summary i { position: relative; width: 14px; height: 14px; justify-self: end; }
.faq__item summary i::before, .faq__item summary i::after { content: ""; position: absolute; left: 0; top: 6.5px; width: 14px; height: 1.4px; background: currentColor; transition: transform var(--t-base) var(--ease); }
.faq__item summary i::after { transform: rotate(90deg); }
.faq__item[open] summary i::after { transform: rotate(0deg); }
.faq__a { padding: 0 var(--s6) var(--s5) 0; color: var(--text-muted); max-width: 70ch; }
.faq__a p + p { margin-top: var(--s3); }
.faqpage { max-width: 900px; margin-top: var(--s5); }

/* ---------- Formularios ---------- */
.wait { display: grid; gap: var(--s4); max-width: 560px; }
.wait__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s3); }
@media (max-width: 400px) { .wait__row { grid-template-columns: minmax(0, 1fr); } }
.field { display: grid; gap: 6px; min-width: 0; }
.field label { font-size: var(--fs-14); font-weight: 560; }
.input, .select { width: 100%; min-height: 50px; padding: 0 var(--s4); border-radius: var(--r-field); border: var(--hair) solid var(--line-strong); background: var(--surface); color: var(--text); font-size: var(--fs-16); transition: border-color var(--t-fast), box-shadow var(--t-fast); }
.input::placeholder { color: var(--text-muted); opacity: .8; }
.input:hover, .select:hover { border-color: var(--mist); }
.input:focus, .select:focus { outline: none; border-color: var(--brass); box-shadow: 0 0 0 3px var(--brass-soft); }
.input[aria-invalid="true"] { border-color: var(--clay); }
.check { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: var(--s3); align-items: start; font-size: var(--fs-14); color: var(--text-muted); cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--brass); }
.wait__go { display: grid; gap: var(--s3); justify-items: start; margin-top: var(--s2); }
.wait__msg { font-size: var(--fs-14); color: var(--text-muted); max-width: 52ch; }
.wait__msg[data-tone="clay"] { color: var(--clay-text); }
.wait__msg[data-tone="pine"] { color: var(--pine-text); font-weight: 560; }
.wait__msg[data-tone="brass"] { color: var(--brass-text); }
@media (max-width: 479px) { .wait__go .btn { width: 100%; } }

/* ---------- Avisos ---------- */
.banner { padding: var(--s4) var(--s5); border-radius: var(--r-card); border: var(--hair) solid color-mix(in srgb, var(--brass) 45%, transparent); background: var(--brass-soft); font-size: var(--fs-16); margin: var(--s2) 0 var(--s5); }
.draft { padding: var(--s3) var(--s4); border-radius: var(--r-card); border: var(--hair) solid color-mix(in srgb, var(--clay) 60%, transparent); background: var(--clay-soft); font-size: var(--fs-14); margin-bottom: var(--s6); }
.draft b { color: var(--clay-text); font-weight: 650; }
.verify { display: inline; padding: 1px 8px; border-radius: var(--r-pill); border: var(--hair) dashed color-mix(in srgb, var(--brass) 75%, transparent); color: var(--brass-text); font-size: var(--fs-12); font-weight: 560; white-space: nowrap; line-height: 1.9; }

/* ---------- Notas al pie ---------- */
.ref { font-size: 0.7em; line-height: 0; margin-left: 1px; }
.ref a { text-decoration: none; color: var(--brass-text); font-weight: 650; padding: 0 2px; }
.notes { margin-top: var(--s8); padding-top: var(--s4); border-top: var(--hair) solid var(--line); max-width: 78ch; }
.notes__h { font-size: var(--fs-14); font-weight: 600; color: var(--text-muted); margin-bottom: var(--s3); font-family: var(--font-ui); }
.notes ol { list-style: decimal; padding-left: 1.4em; display: grid; gap: var(--s2); font-size: var(--fs-13); color: var(--text-muted); }
.notes li::marker { color: var(--brass-text); font-weight: 600; }
.notes li:target { color: var(--text); }
.notes__back { text-decoration: none; color: var(--brass-text); }

/* ---------- Tablas y datos ---------- */
.tablewrap { overflow-x: auto; margin: var(--s4) 0; -webkit-overflow-scrolling: touch; }
.tbl { width: 100%; border-collapse: collapse; font-size: var(--fs-14); min-width: 520px; }
.tbl--wrap { min-width: 560px; }
@media (max-width: 639px) {
  .tbl--wrap { min-width: 0; }
  .tbl--wrap thead { display: none; }
  .tbl--wrap tr { display: grid; gap: 6px; padding: var(--s4) 0; border-bottom: var(--hair) solid var(--line); }
  .tbl--wrap tr:first-child { border-top: var(--hair) solid var(--line-strong); }
  .tbl.tbl--wrap th, .tbl.tbl--wrap td { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: var(--s3); padding: 0; border: 0; }
  .tbl.tbl--wrap th { display: block; font-size: var(--fs-16); }
  .tbl--wrap td::before { content: attr(data-label); color: var(--text-muted); font-size: var(--fs-13); }
}
.tbl th, .tbl td { padding: 10px 12px 10px 0; text-align: left; border-bottom: var(--hair) solid var(--line); vertical-align: top; }
.tbl thead th { font-weight: 600; color: var(--text-muted); font-size: var(--fs-13); border-bottom-color: var(--line-strong); }
.tbl tbody th { font-weight: 560; }
.tbl tfoot th, .tbl tfoot td { border-bottom: 0; border-top: var(--hair) solid var(--line-strong); font-weight: 600; }
.tbl .is-fail { color: var(--clay-text); font-weight: 600; }
.tbl .r { text-align: right; padding-right: 0; padding-left: 12px; }
.facts { display: grid; gap: var(--s5); }
.facts > div { display: grid; gap: 4px; align-content: start; padding-top: var(--s3); border-top: var(--hair) solid var(--line); }
.facts dt { font-weight: 600; }
.facts dd { color: var(--text-muted); font-size: var(--fs-16); }
@media (min-width: 720px) {
  .facts--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--s6); }
  .facts--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: var(--s5); }
}
.formula { font-family: var(--font-display); font-size: var(--fs-18); font-variation-settings: "opsz" 36; padding: var(--s4) var(--s5); margin: var(--s4) 0; background: var(--surface); border: var(--hair) solid var(--line); border-radius: 12px; text-align: center; font-variant-numeric: lining-nums tabular-nums; }
.formula b { font-weight: 600; color: var(--brass-text); }

/* ---------- Página de cuerpo ---------- */
.toc { border-top: var(--hair) solid var(--line-strong); }
.toc + .toc { margin-top: var(--s4); }
.toc summary { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s4); padding: var(--s4) 0; cursor: pointer; list-style: none; font-family: var(--font-display); font-size: var(--fs-21); font-weight: 420; font-variation-settings: "opsz" 36; }
.toc summary::-webkit-details-marker { display: none; }
.toc summary > span:first-child { flex: 1; }
.toc__n { font-family: var(--font-ui); font-size: var(--fs-14); color: var(--text-muted); white-space: nowrap; }
.toc summary::after { content: ""; flex: none; width: 8px; height: 8px; border-right: 1.4px solid var(--text-muted); border-bottom: 1.4px solid var(--text-muted); transform: rotate(45deg) translateY(-3px); transition: transform var(--t-fast); }
.toc[open] summary::after { transform: rotate(-135deg); }
.toc__list { display: grid; padding-bottom: var(--s4); }
.toc__list li { display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); gap: var(--s3); padding: 12px 0; border-top: var(--hair) solid var(--line); font-size: var(--fs-14); line-height: 1.55; }
.toc__num { font-family: var(--font-display); font-size: var(--fs-18); color: var(--brass-text); line-height: 1.2; font-variant-numeric: lining-nums tabular-nums; }
.toc__t { color: var(--text); max-width: 72ch; }
.bank { display: grid; gap: var(--s4); margin-top: var(--s6); }
.bank__n { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--s4); align-items: center; padding-top: var(--s4); border-top: var(--hair) solid var(--line); color: var(--text-muted); font-size: var(--fs-14); }
.bank__n .figure { font-size: clamp(2.5rem, 5vw, 3.5rem); color: var(--text); min-width: 2.6em; }
@media (min-width: 720px) { .bank { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--s6); } }

/* ---------- Precios ---------- */
.plans { display: grid; gap: var(--s5); margin-top: var(--s4); }
.plan { display: grid; gap: var(--s5); align-content: start; padding: clamp(20px, 3vw, 36px); border: var(--hair) solid var(--line-strong); border-radius: var(--r-card); background: var(--surface); }
.plan--premium { border-color: color-mix(in srgb, var(--brass) 60%, transparent); background: linear-gradient(180deg, var(--brass-soft), transparent 46%), var(--surface); }
.plan__head { display: grid; gap: var(--s3); }
.plan__name { font-family: var(--font-display); font-size: var(--fs-28); font-weight: 400; font-variation-settings: "opsz" 72; letter-spacing: -0.015em; }
.plan__price { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; color: var(--text-muted); font-size: var(--fs-14); }
.plan__price .figure { font-size: clamp(3rem, 6vw, 4.25rem); color: var(--text); }
.plan__founder { font-size: var(--fs-14); color: var(--text-muted); }
.plan__founder b { color: var(--brass-text); font-weight: 600; }
.plan__feat { display: grid; gap: 10px; padding-top: var(--s4); border-top: var(--hair) solid var(--line); font-size: var(--fs-16); }
.plan__feat li { position: relative; padding-left: 26px; }
.plan__feat li::before { content: ""; position: absolute; left: 2px; top: 0.5em; width: 10px; height: 5px; border-left: 1.5px solid var(--pine-text); border-bottom: 1.5px solid var(--pine-text); transform: rotate(-45deg); }
.plan__terms { display: grid; gap: 0; font-size: var(--fs-14); }
.plan__terms > div { display: flex; justify-content: space-between; gap: var(--s4); padding: 10px 0; border-top: var(--hair) solid var(--line); }
.plan__terms dt { color: var(--text-muted); }
.plan__terms dd { text-align: right; font-weight: 600; }
.plan__terms dd span { display: block; font-weight: 400; color: var(--text-muted); font-size: var(--fs-13); }
.plan__cta { width: 100%; }
@media (min-width: 860px) { .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.addons { display: grid; border-top: var(--hair) solid var(--line-strong); }
.addons li { display: grid; gap: var(--s3); padding: var(--s5) 0; border-bottom: var(--hair) solid var(--line); }
.addons li > div { display: grid; gap: 4px; }
.addons b { font-weight: 600; font-size: var(--fs-18); }
.addons li > div span { color: var(--text-muted); font-size: var(--fs-16); max-width: 56ch; }
.addons__p { font-family: var(--font-display); font-size: var(--fs-28); font-variant-numeric: lining-nums; white-space: nowrap; }
.addons__p span { font-family: var(--font-ui); font-size: var(--fs-13); color: var(--text-muted); }
@media (min-width: 640px) { .addons li { grid-template-columns: minmax(0, 1fr) auto; align-items: baseline; column-gap: var(--s6); } .addons__p { text-align: right; } }

/* ---------- Nota prevista ---------- */
.notehero { padding-top: var(--s4); }
.notehero .watch { max-width: 560px; margin: 0 auto; }
.flow { margin: var(--s2) 0 var(--s6); overflow-x: auto; }
.flow svg { min-width: 620px; width: 100%; height: auto; }
.flow__box rect { fill: var(--surface); stroke: var(--line-strong); }
.flow__box:last-of-type rect { stroke: var(--brass); }
.flow__t { fill: var(--text); font-family: var(--font-display); font-size: 15px; font-weight: 450; }
.flow__s { fill: var(--text-muted); font-family: var(--font-ui); font-size: 11.5px; }
.flow__arr { stroke: var(--mist); stroke-width: 1.2; fill: none; }
.flow__head { stroke: var(--mist); stroke-width: 1.2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.hist { margin: 0 0 var(--s6); }
.hist svg { width: 100%; height: auto; overflow: visible; }
.hist__band { fill: var(--brass-soft); }
.hist__bar { fill: color-mix(in srgb, var(--mist) 45%, transparent); }
.hist__bar.is-band { fill: color-mix(in srgb, var(--brass) 80%, transparent); }
.hist__axis { stroke: var(--line-strong); }
.hist__tick { stroke: var(--mist); }
.hist__lab { fill: var(--mist); font-family: var(--font-mono); font-size: 11px; text-anchor: middle; }
.hist__unit { text-anchor: end; font-family: var(--font-ui); }
.hist__v { stroke: var(--text-muted); stroke-width: 1; stroke-dasharray: 3 3; }
.hist__v.is-med { stroke: var(--text); stroke-dasharray: none; stroke-width: 1.4; }
.hist__v.is-pass { stroke: var(--pine-text); }
.hist__vl { fill: var(--text-muted); font-family: var(--font-ui); font-size: 11.5px; font-weight: 560; text-anchor: middle; }
.hist__vl.is-med { fill: var(--text); }
.hist__vl.is-pass { fill: var(--pine-text); text-anchor: end; }
.hist__vl.is-p:first-of-type { text-anchor: start; }
.hist figcaption { font-size: var(--fs-13); color: var(--text-muted); margin-top: var(--s3); max-width: 70ch; }
.gates { display: grid; gap: var(--s4); margin-bottom: var(--s5); }
.gates li { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: var(--s4); align-items: baseline; align-content: start; padding-top: var(--s4); border-top: var(--hair) solid var(--line); color: var(--text-muted); }
.gates__n { font-size: clamp(2.25rem, 4.4vw, 3rem); color: var(--text); }
@media (min-width: 720px) { .gates { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: var(--s5); } .gates li { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Acompañamiento ---------- */
.marhero { display: grid; gap: var(--s6); padding-top: clamp(40px, 8vw, 96px); align-items: center; }
.marhero__portrait { max-width: 340px; justify-self: center; }
.marhero__copy { display: grid; gap: var(--s5); }
@media (min-width: 900px) { .marhero { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); column-gap: var(--s7); } }
.isnot { display: grid; gap: var(--s5); }
.isnot .h3 { margin-top: 0; }
@media (min-width: 720px) { .isnot { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--s6); } }
.timeline { position: relative; display: grid; gap: var(--s5); margin-bottom: var(--s6); padding-left: 22px; }
.timeline::before { content: ""; position: absolute; left: 4px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(var(--brass), var(--line-strong)); }
.timeline li { position: relative; display: grid; gap: 4px; align-content: start; }
.timeline li::before { content: ""; position: absolute; left: -22px; top: 6px; width: 9px; height: 9px; border-radius: 50%; background: var(--ink); border: 1.5px solid var(--brass); }
.timeline__t { font-size: var(--fs-13); color: var(--brass-text); font-weight: 560; }
.timeline h3 { font-family: var(--font-display); font-size: var(--fs-21); font-weight: 430; font-variation-settings: "opsz" 36; }
.timeline p { color: var(--text-muted); font-size: var(--fs-16); max-width: 52ch; }
@media (min-width: 900px) {
  .timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: var(--s5); padding-left: 0; padding-top: 28px; }
  .timeline::before { left: 0; right: 0; top: 4px; bottom: auto; width: auto; height: 1px; background: linear-gradient(90deg, var(--brass), var(--line-strong)); }
  .timeline li::before { left: 0; top: -28px; }
}
.helplines { display: grid; gap: 0; margin: var(--s5) 0 var(--s4); border-top: var(--hair) solid var(--line-strong); }
.helplines a { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: var(--s4); align-items: center; padding: var(--s4) 0; border-bottom: var(--hair) solid var(--line); text-decoration: none; }
.helplines a:hover .helplines__n { color: var(--brass); }
.helplines__n { font-size: clamp(2.25rem, 4vw, 2.75rem); transition: color var(--t-fast); }
.helplines a > span:last-child { display: grid; gap: 2px; }
.helplines b { font-weight: 600; }
.helplines a > span:last-child span { color: var(--text-muted); font-size: var(--fs-14); }

/* ---------- Test gratuito ---------- */
.quiz { padding-top: var(--s4); max-width: 860px; }
.quiz__setup { display: grid; gap: var(--s5); }
.seg { border: 0; padding: 0; margin: 0; display: grid; gap: var(--s3); min-width: 0; }
.seg legend { font-family: var(--font-display); font-size: var(--fs-21); font-weight: 430; margin-bottom: var(--s3); padding: 0; }
.seg__opt { position: relative; display: block; cursor: pointer; }
.seg__opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg__opt > span { display: grid; gap: 2px; padding: var(--s4) var(--s5); border: var(--hair) solid var(--line-strong); border-radius: var(--r-card); background: var(--surface); transition: border-color var(--t-fast), background-color var(--t-fast); }
.seg__opt b { font-family: var(--font-display); font-weight: 450; font-size: var(--fs-21); margin-right: 6px; }
.seg__opt small { font-size: var(--fs-13); color: var(--text-muted); }
.seg__opt input:checked + span { border-color: var(--brass); background: var(--brass-soft); }
.seg__opt input:focus-visible + span { outline: 2px solid var(--brass); outline-offset: 3px; }
@media (min-width: 720px) { .seg { grid-template-columns: repeat(3, minmax(0, 1fr)); } .seg legend { grid-column: 1 / -1; } }
.quiz__rules { display: grid; gap: 6px; color: var(--text-muted); font-size: var(--fs-14); }
.quiz__rules li { padding-left: 18px; position: relative; }
.quiz__rules li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 8px; height: 1px; background: var(--brass); }
.quiz__setup .btn { justify-self: start; }
.quiz__status { font-size: var(--fs-14); color: var(--text-muted); min-height: 1.4em; }
.quiz__status[data-tone="clay"] { color: var(--clay-text); }
.quiz__run { display: grid; gap: var(--s4); }
.quiz__bar { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: var(--s4); align-items: center; }
.quiz__count { font-size: var(--fs-14); color: var(--text-muted); white-space: nowrap; }
.quiz__count .num { color: var(--text); font-size: var(--fs-16); }
.quiz__track { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 4px; }
.quiz__track li { height: 4px; border-radius: 2px; background: var(--line-strong); transition: background-color var(--t-base); }
.quiz__track li.is-now { background: var(--text); }
.quiz__track li.is-ok { background: var(--pine); }
.quiz__track li.is-ko { background: var(--clay); }
.quiz__track li.is-blank { background: var(--mist); }
.quiz__actions { display: flex; flex-wrap: wrap; gap: var(--s3); }
@media (max-width: 479px) { .quiz__actions .btn { width: 100%; } }
.verdict { font-size: var(--fs-16); }
.verdict b { font-weight: 650; }
.verdict--ok b { color: var(--pine-text); }
.verdict--ko b { color: var(--clay-text); }
.quiz__result { display: grid; gap: var(--s5); outline: none; }
.quiz__result h2 { outline: none; }
.result { display: grid; gap: var(--s5); align-items: end; padding: var(--s5) 0; border-top: var(--hair) solid var(--line-strong); border-bottom: var(--hair) solid var(--line); }
.result__grade { display: flex; align-items: baseline; gap: var(--s3); color: var(--text-muted); }
.result__grade .figure { font-size: clamp(4.5rem, 14vw, 7.5rem); color: var(--text); }
.result__facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s4); }
.result__facts div { display: grid; gap: 2px; }
.result__facts dt { font-size: var(--fs-13); color: var(--text-muted); }
.result__facts dd { font-size: var(--fs-28); font-family: var(--font-display); }
@media (min-width: 720px) { .result { grid-template-columns: auto minmax(0, 1fr); column-gap: var(--s7); } }
.result__note { color: var(--text-muted); font-size: var(--fs-14); max-width: 64ch; }
.review { display: grid; }
.review__i { display: grid; grid-template-columns: 2rem minmax(0, 1fr) auto; gap: var(--s3); padding: 10px 0; border-bottom: var(--hair) solid var(--line); font-size: var(--fs-14); align-items: baseline; }
.review__n { color: var(--text-muted); }
.review__t { color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.review__tag { font-size: var(--fs-13); font-weight: 600; }
.review__i.is-ok .review__tag { color: var(--pine-text); }
.review__i.is-ko .review__tag { color: var(--clay-text); }
.review__i.is-blank .review__tag { color: var(--mist); }

/* ---------- Guías ---------- */
.glist { display: grid; border-top: var(--hair) solid var(--line-strong); margin-top: var(--s5); }
.gcard a { display: grid; gap: var(--s2); padding: var(--s5) 0; border-bottom: var(--hair) solid var(--line); text-decoration: none; }
.gcard time { font-size: var(--fs-13); color: var(--text-muted); }
.gcard h3 { font-family: var(--font-display); font-size: clamp(1.375rem, 2.6vw, 1.875rem); font-weight: 400; letter-spacing: -0.015em; line-height: 1.18; font-variation-settings: "opsz" 72; max-width: 26em; transition: color var(--t-fast); }
.gcard p { color: var(--text-muted); max-width: 70ch; font-size: var(--fs-16); }
.gcard a:hover h3 { color: var(--brass-text); }
@media (min-width: 900px) { .glist--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--s6); } }
.article__head { display: grid; gap: var(--s4); padding-top: clamp(40px, 8vw, 96px); padding-bottom: var(--s6); }
.article__head .display { max-width: 17em; }
.article__meta { display: flex; flex-wrap: wrap; gap: 6px 10px; font-size: var(--fs-13); color: var(--text-muted); }
.article__meta a { color: var(--brass-text); text-decoration: none; }
.article__grid { display: grid; gap: var(--s6); }
.article__toc { font-size: var(--fs-14); border-top: var(--hair) solid var(--line-strong); padding-top: var(--s3); }
.article__toc p { color: var(--text-muted); font-size: var(--fs-13); margin-bottom: var(--s2); }
.article__toc ol { display: grid; gap: 6px; counter-reset: t; }
.article__toc li { counter-increment: t; display: grid; grid-template-columns: 1.6rem minmax(0, 1fr); }
.article__toc li::before { content: counter(t); color: var(--brass-text); font-variant-numeric: tabular-nums; }
.article__toc a { text-decoration: none; color: var(--text-muted); }
.article__toc a:hover { color: var(--text); }
@media (min-width: 1080px) {
  .article__grid { grid-template-columns: minmax(0, 3fr) minmax(0, 8fr); column-gap: var(--s7); }
  .article__toc { position: sticky; top: calc(var(--head-h) + 32px); align-self: start; }
}
.longform { font-family: var(--font-display); font-variation-settings: "opsz" 14, "SOFT" 0; font-weight: 380; font-size: clamp(1.0625rem, 1.3vw, 1.1875rem); line-height: 1.68; max-width: 68ch; }
.longform > p, .longform > ul, .longform > ol { margin-top: 1.05em; }
.longform h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 400; letter-spacing: -0.018em; line-height: 1.15; font-variation-settings: "opsz" 72; margin-top: 2.1em; scroll-margin-top: calc(var(--head-h) + 20px); }
.longform h3 { font-size: var(--fs-21); font-weight: 460; font-variation-settings: "opsz" 36; margin-top: 1.6em; }
.longform b { font-weight: 600; }
.longform a { text-decoration-color: var(--brass); }
.longform ul > li, .longform ol > li { position: relative; padding-left: 1.4em; margin-top: 0.5em; }
.longform ul > li::before { content: ""; position: absolute; left: 0.2em; top: 0.8em; width: 0.6em; height: 1px; background: var(--brass); }
.longform ol { counter-reset: lf; }
.longform ol > li { counter-increment: lf; }
.longform ol > li::before { content: counter(lf) "."; position: absolute; left: 0; color: var(--brass-text); font-variant-numeric: lining-nums; }
.longform .tbl, .longform .formula { font-family: var(--font-ui); font-variation-settings: normal; }
.longform .formula { font-family: var(--font-display); font-variation-settings: "opsz" 36; }
.longform .notes, .longform .article__rev { font-family: var(--font-ui); font-variation-settings: normal; }
.article__rev { margin-top: var(--s5); font-size: var(--fs-13); color: var(--text-muted); }
.related { padding-top: var(--s8); }

/* ---------- Legal ---------- */
.legal { display: grid; gap: 0; }
.legal__toc { margin-bottom: var(--s6); font-size: var(--fs-14); }
.legal__toc ol { display: flex; flex-wrap: wrap; gap: 6px; }
.legal__toc a { display: inline-flex; min-height: 34px; align-items: center; padding: 0 12px; border-radius: var(--r-pill); border: var(--hair) solid var(--line); text-decoration: none; color: var(--text-muted); }
.legal__toc a:hover { color: var(--text); border-color: var(--line-strong); }
.legal__body { max-width: 74ch; font-size: var(--fs-16); }
.legal__body h2 { font-family: var(--font-display); font-size: clamp(1.375rem, 2.4vw, 1.75rem); font-weight: 420; letter-spacing: -0.01em; margin-top: var(--s7); margin-bottom: var(--s3); font-variation-settings: "opsz" 72; scroll-margin-top: calc(var(--head-h) + 20px); }
.legal__body h2:first-child { margin-top: 0; }
.legal__body ul, .legal__body ol { display: grid; gap: var(--s2); margin-top: var(--s3); }
.legal__body ul li { position: relative; padding-left: 20px; }
.legal__body ul li::before { content: ""; position: absolute; left: 0; top: 0.8em; width: 9px; height: 1px; background: var(--brass); }
.legal__body ol { counter-reset: lg; }
.legal__body ol li { counter-increment: lg; position: relative; padding-left: 24px; }
.legal__body ol li::before { content: counter(lg) "."; position: absolute; left: 0; color: var(--brass-text); }
.legal__body .facts { margin: var(--s4) 0; }
.formmodel { margin: var(--s4) 0; padding: var(--s5); border: var(--hair) solid var(--line-strong); border-radius: var(--r-card); background: var(--surface); font-family: var(--font-display); font-variation-settings: "opsz" 14; display: grid; gap: var(--s2); }
.formmodel__line { color: var(--mist); border-bottom: 1px dotted var(--line-strong); padding-bottom: 4px; margin-bottom: var(--s2); }
.formmodel__note { font-size: var(--fs-14); color: var(--text-muted); }
@media (min-width: 1080px) {
  .legal { grid-template-columns: minmax(0, 3fr) minmax(0, 8fr); column-gap: var(--s7); }
  .legal .draft { grid-column: 1 / -1; }
  .legal__toc { position: sticky; top: calc(var(--head-h) + 32px); align-self: start; }
  .legal__toc ol { display: grid; gap: 2px; }
  .legal__toc a { border: 0; padding: 0; min-height: 30px; }
  .legal__body:only-of-type, .legal .draft + .legal__body { grid-column: 2; }
}

/* ---------- 404 ---------- */
.notfound { display: grid; gap: var(--s5); padding-top: clamp(48px, 10vw, 120px); }
.notfound__code { font-size: clamp(6rem, 22vw, 14rem); color: transparent; -webkit-text-stroke: 1px var(--brass); line-height: 0.85; }
.notfound__links { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s3); }

/* ---------- Secciones especiales ---------- */
.sec--help .helplines__n { color: var(--text); }
.h3 + .prose { margin-top: 0; }

/* ---------- Impresión ---------- */
@media print {
  .site-head, .site-foot, .menu, .wait, .cta-row, body::before { display: none !important; }
  body { background: #fff; color: #000; }
}

/* Los hijos de las rejillas nunca se ensanchan por su contenido (tablas anchas → scroll interno). */
.article__grid > *, .legal > *, .sec > *, .hero > *, .mar > *, .marhero > *, .plans > *, .isnot > * { min-width: 0; }
@media (max-width: 639px) {
  .tbl:not(.tbl--wrap) { min-width: 0; font-size: var(--fs-13); }
  .tbl:not(.tbl--wrap) .r { padding-left: 6px; }
  .tbl:not(.tbl--wrap) th, .tbl:not(.tbl--wrap) td { padding-top: 8px; padding-bottom: 8px; }
  .tbl:not(.tbl--wrap) thead th { font-size: 11.5px; hyphens: auto; }
}