/* ROOKETH — hoja de estilos única
   Tipografías autoalojadas. Sin dependencias externas. */

@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/archivo-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/archivo-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/archivo-500-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/archivo-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/archivo-600-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/archivo-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root {
  --color-ink: #16130F;
  --color-ink-2: #2A2621;
  --color-graphite: #3A3733;
  --color-stone: #A9A29A;
  --color-sand: #E4DFD6;
  --color-paper: #F2EEE7;
  --color-rule: #C9C2B6;
  --color-signal: #D75F28;
  --color-signal-ink: #A6431A;
  --color-signal-deep: #8F3A16;
  --color-muted: #6B635B;
  /* Home: blanco que alterna con paper, y panel apenas elevado sobre ink
     (el "graphite-800" del documento de cambios). Con #1F1B17 el naranja de
     señal mantiene 4.5:1 como texto. */
  --color-white: #FFFFFF;
  --color-ink-1: #1F1B17;

  --font-body: 'Archivo', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 104px;

  --measure: 1440px;
  --header-offset: 88px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
/* F-09: el desplazamiento animado solo para quien no pidió lo contrario. */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
  overflow-x: hidden;
}
h1, h2, h3, p, ul, ol, li, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg { max-width: 100%; }

a { color: var(--color-ink); text-decoration: none; }
a:hover { color: var(--color-signal-ink); }
::selection { background: var(--color-signal); color: var(--color-ink); }
:focus-visible { outline: 2px solid var(--color-signal); outline-offset: 3px; }
[id] { scroll-margin-top: var(--header-offset); }

.skip {
  position: absolute;
  left: var(--space-3);
  top: -100px;
  z-index: 50;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  transition: top .15s;
}
.skip:focus { top: var(--space-2); color: var(--color-paper); }

/* F-03: los select llevaban appearance:none sin indicador; eran
   indistinguibles de un input de texto en Chromium, Firefox y WebKit. */
select.input {
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%2316130F' d='M6 8 0 1.2 1.3 0 6 5.1 10.7 0 12 1.2Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 12px 8px;
  cursor: pointer;
}
select.input::-ms-expand { display: none; }

input:hover, select:hover, textarea:hover { border-color: var(--color-signal-ink); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--color-signal); outline-offset: 2px; }
::placeholder { color: var(--color-muted); opacity: 1; }
.btn-submit:hover { background: var(--color-signal-ink); border-color: var(--color-signal-ink); }
.btn-submit:active { background: var(--color-signal-deep); border-color: var(--color-signal-deep); }
.btn-submit[disabled] { background: var(--color-muted); border-color: var(--color-muted); cursor: progress; }

/* --- clases derivadas del diseño --- */
.t14 { font-size: 14px; color: var(--color-graphite); }
.h3 { font-size: 20px; line-height: 1.2; font-weight: 500; margin-bottom: 12px; }
.num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--color-muted); margin-bottom: var(--space-2); }
.card { border-top: 1px solid var(--color-ink); padding-top: var(--space-3); }
.label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-muted); margin-bottom: var(--space-1); display: block; }
.input { width: 100%; font-family: var(--font-body); font-size: 15px; color: var(--color-ink); background: var(--color-paper); border: 1px solid var(--color-ink); border-radius: 0; padding: 12px 14px; appearance: none; }
.row-body { border-top: 1px solid var(--color-rule); padding: 20px 0; color: var(--color-graphite); }
.row { border-top: 1px solid var(--color-rule); padding: 20px 0; }
.mono13 { font-family: var(--font-mono); font-size: 13px; color: var(--color-ink); }
.wrap { max-width: 1440px; margin: 0 auto; padding: 0 var(--space-3); }
/* F-08: enlaces de "Otras prácticas", 22px de alto. */
.lnk-lg { display: inline-block; font-size: 20px; font-weight: 500; padding: 2px 0; min-width: 24px; }
.row-sm { border-top: 1px solid var(--color-rule); padding: var(--space-2) 0; font-size: 15px; color: var(--color-graphite); }
.num-light { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--color-stone); margin-bottom: var(--space-2); }
.t14-light { font-size: 14px; color: var(--color-stone); }
.mark { display: block; overflow: visible; }
.kicker { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-muted); margin-bottom: var(--space-4); }
.card-dark { border-top: 1px solid var(--color-graphite); padding-top: var(--space-3); }
.g200 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr)); gap: var(--space-3); }
.sec-head { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: var(--space-4); align-items: end; margin-bottom: var(--space-5); }
.sub48 { color: var(--color-graphite); max-width: 48ch; }
.muted { color: var(--color-muted); }
.sec-rule-sm { border-top: 1px solid var(--color-ink); padding: var(--space-5) 0; }
.g300 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: var(--space-4); }
.h2 { font-size: clamp(28px, 3.4vw, 36px); line-height: 1.1; font-weight: 500; }
.stack { display: grid; gap: 0; }
.stone { color: var(--color-stone); }
.h3-lg { font-size: 24px; line-height: 1.2; font-weight: 500; margin-bottom: var(--space-2); }
.sec-rule { border-top: 1px solid var(--color-ink); padding: var(--space-6) 0; }
.kicker-light { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-stone); margin-bottom: var(--space-4); }
.sec { padding: var(--space-6) 0; }
.card-accent { border-top: 2px solid var(--color-signal); padding-top: var(--space-3); }
.hdr { position: sticky; top: 0; z-index: 20; background: var(--color-paper); border-bottom: 1px solid var(--color-ink); }
.wrap-bar { max-width: 1440px; margin: 0 auto; padding: var(--space-2) var(--space-3); display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.brand-name { font-size: 19px; font-weight: 600; letter-spacing: 0.055em; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; font-size: 13px; letter-spacing: 0.02em; }
.nav-sep { width: 1px; height: 13px; background: var(--color-rule); }
/* F-08: los enlaces de nav medían 21px de alto, y los cortos ("IA")
   solo 13px de ancho. min-width cubre el objetivo estrecho. */
.nav a:not(.nav-cta) { display: inline-block; padding: 6px 0; min-width: 24px; }
.nav-cta { border: 1px solid var(--color-ink); padding: 9px var(--space-2); }

/* F-01/F-02/F-16 — cabecera móvil.
   <details>/<summary> resuelve el desplegable sin JavaScript, sin trampa de
   foco y con semántica y teclado nativos. El JS solo añade Escape y el
   cierre al navegar. En escritorio el toggle no existe y la nav es la de
   siempre: el selector hermano permite controlar .nav con independencia
   del estado de <details>. */
.navbox { display: none; }
.navtoggle {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 var(--space-2);
  border: 1px solid var(--color-ink);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}
.navtoggle::-webkit-details-marker { display: none; }
.navtoggle::marker { content: ''; }
.navtoggle .bars { display: block; width: 16px; height: 2px; background: var(--color-ink); position: relative; }
.navtoggle .bars::before,
.navtoggle .bars::after { content: ''; position: absolute; left: 0; width: 16px; height: 2px; background: var(--color-ink); }
.navtoggle .bars::before { top: -5px; }
.navtoggle .bars::after { top: 5px; }
.navbox[open] .navtoggle .bars { background: transparent; }
.navbox[open] .navtoggle .bars::before { top: 0; transform: rotate(45deg); }
.navbox[open] .navtoggle .bars::after { top: 0; transform: rotate(-45deg); }

/* F-06 — único CTA intermedio, con copy ya existente en la página. */
.cta-mid {
  border-top: 1px solid var(--color-ink);
  border-bottom: 1px solid var(--color-ink);
  padding: var(--space-4) 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
}
.cta-mid p { color: var(--color-graphite); max-width: 46ch; font-size: 15px; }
/* F-12: con 300px el hero seguía en dos columnas a 768px y la columna de
   texto caía a 328px, menos ancho útil que en un móvil de 390px. */
.hero { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: var(--space-5); padding: var(--space-6) 0 var(--space-5); align-items: start; }
.hero-body { max-width: 620px; }
.h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.0; letter-spacing: -0.015em; font-weight: 500; margin-bottom: var(--space-3); }
.lead { font-size: 18px; line-height: 1.6; color: var(--color-graphite); max-width: 52ch; margin-bottom: var(--space-4); }
.actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.btn-solid { background: var(--color-ink); color: var(--color-paper); padding: 14px var(--space-3); font-size: 14px; font-weight: 500; }
.btn-solid:hover,
.foot a:hover,
.foot-link:hover { color: var(--color-signal); }
.btn-outline { border: 1px solid var(--color-ink); padding: 14px var(--space-3); font-size: 14px; font-weight: 500; }
.fig { min-width: 0; }
.diagram { width: 100%; height: auto; display: block; }
.card-signal { border-top: 1px solid var(--color-signal); padding-top: var(--space-3); }
.band { background: var(--color-ink); color: var(--color-paper); padding: var(--space-6) 0; }
.g320-64 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: var(--space-5); align-items: start; }
.h2-lg { font-size: clamp(32px, 4.2vw, 48px); line-height: 1.05; letter-spacing: -0.01em; font-weight: 500; max-width: 22ch; margin-bottom: var(--space-3); }
.sub46 { color: var(--color-graphite); max-width: 46ch; margin-bottom: var(--space-4); }
.stack-46 { display: grid; gap: 0; max-width: 46ch; }
.row-sm-last { border-top: 1px solid var(--color-rule); border-bottom: 1px solid var(--color-rule); padding: var(--space-2) 0; font-size: 15px; color: var(--color-graphite); }
.u-signal { border-bottom: 1px solid var(--color-signal); }
/* min-width:0 para que el formulario, como ítem de grid, pueda encogerse
   por debajo del min-content que impone el iframe de Turnstile (300px). */
.form { display: grid; gap: var(--space-3); border: 1px solid var(--color-ink); padding: 32px; min-width: 0; }
.input-area { width: 100%; font-family: var(--font-body); font-size: 15px; color: var(--color-ink); background: var(--color-paper); border: 1px solid var(--color-ink); border-radius: 0; padding: 12px 14px; appearance: none; resize: vertical; line-height: 1.6; }
.btn-submit { font-family: var(--font-body); font-size: 14px; font-weight: 500; color: var(--color-paper); background: var(--color-ink); border: 1px solid var(--color-ink); border-radius: 0; padding: 14px var(--space-3); cursor: pointer; justify-self: start; }
.form-note { font-size: 13px; line-height: 1.5; color: var(--color-muted); margin: 0; }
/* El estado solo existe cuando hay algo real que comunicar: se rellena
   desde JS únicamente tras la respuesta del servidor (F-04). */
.form-status { margin: 0; font-size: 14px; line-height: 1.5; }
.form-status:empty { display: none; }
.form-status[data-state="ok"] { color: var(--color-ink); border-left: 2px solid var(--color-signal); padding-left: 12px; }
.form-status[data-state="error"] { color: var(--color-signal-deep); border-left: 2px solid var(--color-signal-deep); padding-left: 12px; }
.form-status a { border-bottom: 1px solid var(--color-signal); }
/* El widget de Turnstile mide 300px fijos y no cabe en pantallas estrechas
   junto al padding del formulario. Se escala visualmente; overflow:hidden
   impide que su caja de 300px empuje el ancho del documento. */
.turnstile { min-height: 65px; }
@media (max-width: 460px) {
  .form { padding: 20px; }
  .turnstile { overflow: hidden; min-height: 0; height: 62px; }
  .turnstile > * { transform: scale(0.93); transform-origin: left top; }
}
@media (max-width: 380px) {
  .turnstile { height: 52px; }
  .turnstile > * { transform: scale(0.78); transform-origin: left top; }
}
.noscript-note { font-size: 14px; line-height: 1.5; color: var(--color-graphite); border-left: 2px solid var(--color-signal); padding-left: 12px; }
.foot { background: var(--color-ink); color: var(--color-stone); padding: var(--space-5) 0; }
.brand-name-light { font-size: 20px; font-weight: 600; letter-spacing: 0.055em; text-transform: uppercase; color: var(--color-paper); }
.t14-plain { font-size: 14px; }
.is-current { border-bottom: 1px solid var(--color-signal); padding-bottom: 3px; }
.crumb { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-muted); display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: var(--space-2) 0 0; }
/* F-08: los enlaces del breadcrumb medían 18px de alto. */
.crumb a { display: inline-block; padding: 4px 0; min-width: 24px; }
.ink { color: var(--color-ink); }
.h2-sm { font-size: clamp(24px, 3vw, 32px); line-height: 1.15; font-weight: 500; max-width: 20ch; }
.stack-min { display: grid; gap: 0; min-width: 0; }
.sec-caps { padding: var(--space-5) 0 var(--space-6); }
.h2-band { font-size: clamp(28px, 3.4vw, 36px); line-height: 1.1; font-weight: 500; max-width: 26ch; margin-bottom: var(--space-5); }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: var(--space-4); list-style: none; }
.g300-start { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: var(--space-4); align-items: start; }
.h2-sm-mb { font-size: clamp(24px, 3vw, 32px); line-height: 1.15; font-weight: 500; margin-bottom: var(--space-3); }
.sub44 { color: var(--color-graphite); max-width: 44ch; }
.kicker-mb24 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-muted); margin-bottom: var(--space-3); }
.wrap-foot-bar { max-width: 1440px; margin: 0 auto; padding: 0 var(--space-3); display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; }
.brand-lg { display: flex; align-items: center; gap: var(--space-2); }
.foot-link { color: var(--color-stone); font-size: 14px; }
.kicker-light-sm { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-stone); margin-bottom: var(--space-2); }
.foot-list { display: grid; gap: 2px; font-size: 14px; }
/* F-08: los enlaces del footer medían 15px de alto. */
.foot-list a { display: inline-block; padding: 3px 0; min-width: 24px; }
.foot-list li { display: flex; }
.g260 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: var(--space-4); }
.h2-22 { font-size: clamp(28px, 3.4vw, 36px); line-height: 1.1; font-weight: 500; max-width: 22ch; }
.wrap-foot-grid { max-width: 1440px; margin: 0 auto; padding: 0 var(--space-3); display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: var(--space-4); }
.brand-lg-mb { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-2); }

@media (max-width: 900px) {
  /* La cabecera pasa a una sola fila cerrada: antes ocupaba 218-222px
     (30% del viewport) a 320/360 y dejaba el CTA del hero bajo el fold. */
  :root { --header-offset: 76px; }

  .wrap-bar { padding: 10px var(--space-3); }
  .navbox { display: block; margin-left: auto; }

  .nav { display: none; }
  .navbox[open] ~ .nav {
    display: flex;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-bottom: var(--space-2);
  }
  .navbox[open] ~ .nav a:not(.nav-cta) {
    padding: 12px 0;
    border-top: 1px solid var(--color-rule);
  }
  .navbox[open] ~ .nav .nav-sep { display: none; }
  .navbox[open] ~ .nav .nav-cta {
    margin-top: var(--space-2);
    padding: 12px var(--space-2);
    text-align: center;
  }

  .cta-mid { padding: var(--space-3) 0; }
}

/* ============================================================
   HOME — rediseño por secciones (rooketh-cambios-web.md)
   Todo va bajo clases h-* o .strip, que solo existen en la home:
   las páginas de práctica comparten .hero, .kicker, .card-*, .band…
   y no deben cambiar. Equivalencias con los tokens del documento:
   --ink → --color-ink · --paper/--ivory → --color-paper ·
   --mist → --color-stone (oscuro) / --color-muted (claro) ·
   --steel → --color-graphite · --line → --color-rule ·
   --graphite-700 → --color-graphite · --graphite-800 → --color-ink-1.
   ============================================================ */

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Ritmo de fondos: ningún par de secciones consecutivas comparte fondo. */
.h-sec { padding: var(--space-6) 0; }
.h-paper { background: var(--color-paper); }
.h-white { background: var(--color-white); }
.h-ink,
.h-dark { background: var(--color-ink); color: var(--color-paper); }
.h-ink .h2,
.h-dark .h1 { color: var(--color-paper); }
.h-ink .sub48 { color: var(--color-stone); }
.h-sec-title { margin-bottom: var(--space-5); }
.h-sub-note { font-size: 15px; color: var(--color-graphite); margin-top: 12px; }

/* --- 1 · Hero --- */
.h-dark .kicker { color: var(--color-stone); }
.h-dark .lead { color: var(--color-sand); }
.h-hero { align-items: center; padding-bottom: var(--space-5); }
@media (min-width: 1100px) {
  /* El H1 necesita ~26 caracteres por línea para caer en tres. */
  .h-hero { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .h-hero .hero-body { max-width: 780px; }
}
.h-dark .btn-solid { background: var(--color-paper); color: var(--color-ink); }
.h-dark .btn-solid:hover { background: var(--color-signal); color: var(--color-ink); }
.h-dark .btn-outline { border-color: var(--color-paper); color: var(--color-paper); }
.h-dark .btn-outline:hover { border-color: var(--color-signal); color: var(--color-paper); }

.h-stack-svg { display: block; width: 100%; height: 244px; overflow: visible; }
.h-stack-bar { fill: var(--color-graphite); }
.h-stack-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; fill: var(--color-stone); }
.h-stack-path { fill: none; stroke: var(--color-paper); stroke-width: 2; }
.h-stack-node { fill: var(--color-stone); }
.h-stack-end { fill: var(--color-signal); }
/* El % se mide sobre el ancho del gráfico (view-box). En pantallas estrechas
   la trayectoria se acerca al borde para no pisar los rótulos. */
.h-stack-trace { transform-box: view-box; transform: translateX(18%); }
@media (max-width: 400px) {
  .h-stack-trace { transform: translateX(6%); }
}
@media (prefers-reduced-motion: no-preference) {
  .h-stack-svg { animation: h-fade .2s ease-out both; }
}
@keyframes h-fade { from { opacity: 0; } to { opacity: 1; } }

/* Franja de prácticas: cinco tiempos iguales, enlaces reales. */
.strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--color-graphite);
  border-bottom: 1px solid var(--color-graphite);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.strip a {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 var(--space-2);
  color: var(--color-stone);
  border-left: 1px solid var(--color-graphite);
}
.strip a:first-child { border-left: 0; padding-left: 0; }
/* El borde transparente reserva los 2px del subrayado: no hay salto. */
.strip-label { border-bottom: 2px solid transparent; padding: 4px 0 2px; }
/* La flecha ocupa su sitio siempre; solo cambia la opacidad. */
.strip-arrow { opacity: 0; color: var(--color-paper); }
.strip a:hover,
.strip a:focus-visible { color: var(--color-paper); }
.strip a:hover .strip-label,
.strip a:focus-visible .strip-label { border-bottom-color: var(--color-signal); }
.strip a:hover .strip-arrow,
.strip a:focus-visible .strip-arrow { opacity: 1; }
.strip a:focus-visible { outline-offset: -2px; }

/* --- 2 · Posicionamiento --- */
.h-pos-title { margin: 0 0 var(--space-5); }
.h-pos-card { border-top: 1px solid var(--color-ink); padding-top: var(--space-3); }
.h-pos-card--signal { border-top-color: var(--color-signal); }
.h-pos-card p { color: var(--color-graphite); }
@media (min-width: 900px) {
  /* 7 de 12 columnas del contenedor, con gap de 24px. */
  .h-pos-title { max-width: calc((100% - 11 * 24px) * 7 / 12 + 6 * 24px); }
}

/* --- 3 · Cinco prácticas --- */
.h-pgrid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-3); }
.h-pgrid > li { grid-column: span 2; display: flex; min-width: 0; }
.h-pgrid > li:nth-child(n+4) { grid-column: span 3; }
.h-pcard {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  padding: 32px 32px 48px;
  color: var(--color-ink);
  transition: border-color .15s ease;
}
.h-pcard:hover,
.h-pcard:focus-visible { color: var(--color-ink); border-color: var(--color-ink); }
/* Foco visible en ink: la flecha ya es el único acento naranja de la tarjeta. */
.h-pcard:focus-visible { outline-color: var(--color-ink); }
.h-glyph { display: block; width: 40px; height: 40px; overflow: visible; margin-bottom: var(--space-3); flex: 0 0 auto; }
.g-ink { fill: none; stroke: var(--color-ink); stroke-width: 1.5; }
.g-ink-fill { fill: var(--color-ink); }
.g-accent { fill: none; stroke: var(--color-signal); stroke-width: 1.5; }
.g-accent-fill { fill: var(--color-signal); }
.g-layer-1 { fill: var(--color-rule); }
.g-layer-2 { fill: var(--color-stone); }
.g-layer-3 { fill: var(--color-graphite); }
.g-layer-4 { fill: var(--color-ink); }
.h-pcard-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--color-muted); margin-bottom: var(--space-1); }
.h-pcard-name { font-size: 22px; line-height: 1.2; font-weight: 600; margin-bottom: var(--space-1); }
.h-pcard-line { font-size: 15px; line-height: 1.5; color: var(--color-graphite); max-width: 30ch; }
.h-pcard-arrow {
  position: absolute;
  right: 20px;
  bottom: 14px;
  font-size: 18px;
  line-height: 1;
  color: var(--color-signal);
  opacity: 0;
  transition: opacity .15s ease;
}
/* Un solo acento naranja a la vez: con la flecha visible, el glifo se neutraliza. */
.h-pcard:hover .h-pcard-arrow,
.h-pcard:focus-visible .h-pcard-arrow { opacity: 1; }
.h-pcard:hover .g-accent,
.h-pcard:focus-visible .g-accent { stroke: var(--color-ink); }
.h-pcard:hover .g-accent-fill,
.h-pcard:focus-visible .g-accent-fill { fill: var(--color-ink); }
@media (min-width: 1280px) {
  .h-pgrid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .h-pgrid > li,
  .h-pgrid > li:nth-child(n+4) { grid-column: auto; }
  .h-pcard { padding: clamp(24px, 2.2vw, 32px) clamp(24px, 2.2vw, 32px) 48px; }
  .h-pcard-name { font-size: clamp(20px, 1.55vw, 22px); }
}

/* --- 4 · Corte --- */
.h-cut { background: var(--color-ink); color: var(--color-paper); min-height: 60vh; display: flex; align-items: center; padding: var(--space-6) 0; }
.h-cut > .wrap { width: 100%; }
.h-cut-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--space-3); align-items: center; }
.h-cut-text { grid-column: 2 / 9; font-size: clamp(30px, 3.1vw, 44px); line-height: 1.12; letter-spacing: -0.01em; font-weight: 600; color: var(--color-paper); text-wrap: balance; }
.h-cut-pattern { grid-column: 10 / 13; justify-self: end; width: 100%; max-width: 241px; height: auto; display: block; }
.h-cut-grid-lines { fill: none; stroke: var(--color-graphite); stroke-width: 1; }
.h-cut-module { fill: var(--color-signal); }

/* --- 5 · Cómo trabajamos: el diagrama es la sección --- */
.h-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); padding-top: 16px; }
.h-step { position: relative; min-width: 0; }
.h-step-num { font-family: var(--font-mono); font-size: 11px; line-height: 16px; letter-spacing: 0.14em; color: var(--color-muted); margin-bottom: var(--space-2); }
.h-step-rail { position: relative; height: 14px; display: flex; align-items: center; margin-bottom: var(--space-3); z-index: 2; }
.h-step-node { display: block; width: 10px; height: 10px; border: 1.5px solid var(--color-ink); border-radius: 50%; background: var(--color-paper); }
/* Trayectoria continua: cada etapa traza el tramo hasta la siguiente. */
.h-step:not(.h-step--final)::after {
  content: '';
  position: absolute;
  z-index: 1;
  left: 0;
  top: 39px; /* num (16) + margen (16) + mitad del rail (7) */
  width: calc(100% + var(--space-4));
  height: 1px;
  background: var(--color-rule);
}
.h-step-title { font-size: 20px; line-height: 1.2; font-weight: 600; margin-bottom: var(--space-2); }
.h-step-text { font-size: 15px; line-height: 1.55; color: var(--color-graphite); }
/* Transferencia: caja blanca elevada, nodo relleno y punta de flecha. */
.h-step--final {
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  /* Solo sobresale hacia arriba y hacia el hueco izquierdo: nunca sale del
     contenedor. El padding descuenta el borde para alinear con las demás. */
  margin: -16px 0 0 -20px;
  padding: 15px 23px 24px 19px;
}
.h-step--final .h-step-node { width: 14px; height: 14px; border: 0; background: var(--color-signal); }
.h-step--final .h-step-rail::before {
  content: '';
  position: absolute;
  left: -9px;
  top: 50%;
  margin-top: -4.5px;
  border-style: solid;
  border-width: 4.5px 0 4.5px 8px;
  border-color: transparent transparent transparent var(--color-muted);
}
.h-step-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--color-muted); margin-top: var(--space-2); }

/* --- 6 · Cuándo no somos la opción correcta --- */
.h-when { border-bottom: 1px solid var(--color-rule); }
.h-when-row { display: grid; grid-template-columns: 56px minmax(0, 5fr) minmax(0, 6fr); gap: var(--space-1) var(--space-4); padding: var(--space-3) 0; border-top: 1px solid var(--color-rule); align-items: baseline; }
.h-when-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--color-muted); }
.h-when-cond { font-size: 18px; line-height: 1.35; font-weight: 600; color: var(--color-ink); }
.h-when-why { font-size: 15px; line-height: 1.55; color: var(--color-graphite); }
.h-when-close { margin-top: var(--space-4); font-size: 15px; color: var(--color-graphite); }

/* --- 7 · Qué queda instalado: estructura de repositorio --- */
.h-tree { background: var(--color-ink-1); border: 1px solid var(--color-ink-2); padding: var(--space-4); }
.h-tree code { font-family: var(--font-mono); font-size: 15px; line-height: 24px; }
.h-tree-root code { color: var(--color-signal); }
.h-tree-list { margin: 4px 0 0 5px; }
.h-tree-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 22ch) minmax(0, 1fr);
  gap: 2px var(--space-4);
  align-items: baseline;
  padding: 8px 0 8px 32px;
}
/* Ramas del árbol en CSS: se mantienen aunque el texto pase a dos líneas. */
.h-tree-item::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: var(--color-stone); }
.h-tree-item:last-child::before { bottom: auto; height: 20px; }
.h-tree-item::after { content: ''; position: absolute; left: 0; top: 20px; width: 22px; height: 1px; background: var(--color-stone); }
.h-tree-path { color: var(--color-paper); overflow-wrap: anywhere; }
.h-tree-desc { font-size: 14px; line-height: 1.5; color: var(--color-stone); }

/* --- 8 · Contacto: ayuda contextual del rol --- */
/* Espacio reservado para que la ayuda no desplace el formulario al
   aparecer: la más larga ocupa dos líneas en la columna del rol y tres por
   debajo de 400px. "Otro" y "Elige tu rol" la dejan vacía. */
.field-help { margin-top: var(--space-1); min-height: calc(2 * 1.5em); font-size: 14px; line-height: 1.5; color: var(--color-graphite); }
@media (max-width: 400px) {
  .field-help { min-height: calc(3 * 1.5em); }
}

@media (max-width: 900px) {
  .h-cut-text { grid-column: 1 / -1; }
  .h-cut-pattern { display: none; }

  /* La trayectoria rota a vertical por el borde izquierdo. */
  .h-steps { grid-template-columns: 1fr; gap: var(--space-4); padding: 0 0 0 36px; }
  .h-step-rail { position: absolute; left: -36px; top: 1px; width: 14px; margin: 0; justify-content: center; }
  .h-step:not(.h-step--final)::after {
    left: -29.5px;
    top: 8px;
    width: 1px;
    height: calc(100% + var(--space-4));
  }
  .h-step:nth-child(3)::after { height: calc(100% + var(--space-4) + 16px); }
  .h-step--final { margin: 0; padding: 16px 20px 20px; }
  .h-step--final .h-step-rail { top: 17px; left: -36px; }
  .h-step--final .h-step-rail::before {
    left: 50%;
    top: -9px;
    margin: 0 0 0 -4.5px;
    border-width: 8px 4.5px 0 4.5px;
    border-color: var(--color-muted) transparent transparent transparent;
  }
}

@media (min-width: 760px) and (max-width: 1023px) {
  .h-pcard { padding: 24px 24px 48px; }
  .h-pcard-name { font-size: 20px; }
}

@media (max-width: 759px) {
  /* Una columna, tarjeta compacta: glifo a la izquierda. */
  .h-pgrid { grid-template-columns: 1fr; gap: var(--space-2); }
  .h-pgrid > li,
  .h-pgrid > li:nth-child(n+4) { grid-column: auto; }
  .h-pcard { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 20px; align-content: start; padding: 20px 44px 20px 20px; }
  .h-glyph { grid-row: 1 / span 3; margin: 2px 0 0; }
  .h-pcard-name { font-size: 20px; margin-bottom: 4px; }
  .h-pcard-line { max-width: none; }
  .h-pcard-arrow { right: 16px; bottom: 50%; transform: translateY(50%); }
}

@media (max-width: 699px) {
  .h-sec { padding: var(--space-5) 0; }
  .h-cut { padding: var(--space-5) 0; }

  .strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .strip a { border-left: 0; border-top: 1px solid var(--color-graphite); padding: 0; }
  .strip a:nth-child(-n+2) { border-top: 0; }
  .strip a:nth-child(2n) { border-left: 1px solid var(--color-graphite); padding-left: var(--space-2); }
  .strip a:nth-child(5) { grid-column: 1 / -1; }

  .h-when-row { grid-template-columns: 24px minmax(0, 1fr); column-gap: var(--space-2); }
  .h-when-why { grid-column: 2; }

  .h-tree { padding: var(--space-3) var(--space-2); }
  .h-tree-item { grid-template-columns: minmax(0, 1fr); padding-left: 28px; }
  .h-tree-item::after { width: 18px; }
}