/* Layout: expediente. Una columna de lectura con un margen de folio a la izquierda; cada sección es una foja numerada. */
:root {
  --paper: #f5f7f8;
  --sheet: #ffffff;
  --ink: #14212c;
  --ink-soft: #4a5966;
  --rule: #d5dde3;
  --navy: #1d3a52;
  --stamp: #a8452c;
  --stamp-tint: #f3e3dd;
  --ok: #2f6b45;
  --ok-tint: #e0eee4;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --step-0: 1rem;
  --step-1: 1.25rem;
  --step-2: 1.6rem;
  --step-3: clamp(2.2rem, 5.5vw, 3.6rem);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f161d; --sheet: #16212b; --ink: #e6ecf0; --ink-soft: #9aabb8; --rule: #2a3946;
    --navy: #8fb6d6; --stamp: #e08a6d; --stamp-tint: #3a2620; --ok: #7fc495; --ok-tint: #1c3325;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f161d; --sheet: #16212b; --ink: #e6ecf0; --ink-soft: #9aabb8; --rule: #2a3946;
  --navy: #8fb6d6; --stamp: #e08a6d; --stamp-tint: #3a2620; --ok: #7fc495; --ok-tint: #1c3325;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  background: var(--paper); color: var(--ink);
  font-family: var(--body); font-size: var(--step-0); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.wrap {
  max-width: 1080px; margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--stamp); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; margin: 0; line-height: 1.1; }
h2 { font-size: var(--step-2); font-weight: 700; font-stretch: 112%; letter-spacing: -0.01em; }
h3 { font-size: var(--step-1); font-weight: 650; }
p { margin: 0; }
.label {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft);
}

/* Cabecera */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); }
header.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--paper); border-bottom: 1px solid var(--rule); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; }
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; }
.brand b { font-family: var(--display); font-weight: 800; font-stretch: 118%; font-size: 1.1rem; letter-spacing: -0.01em; }
.brand span { font-family: var(--mono); font-size: 0.75rem; color: var(--ink-soft); }

.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  font: 600 0.95rem/1 var(--body); padding: 14px 20px; border-radius: 4px;
  text-decoration: none; cursor: pointer; border: 1.5px solid var(--navy);
}
.btn-primary { background: var(--navy); color: var(--sheet); }
.btn-primary:hover { filter: brightness(1.12); }
.btn-ghost { background: transparent; color: var(--navy); }
.btn-ghost:hover { background: var(--sheet); }
header.top .btn { padding: 10px 14px; font-size: 0.88rem; white-space: nowrap; }
header.top .corto { display: none; }

/* Fojas */
.foja { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 32px; padding-block: 72px; border-bottom: 1px solid var(--rule); }
.folio { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft); padding-top: 6px; letter-spacing: 0.04em; }
.folio strong { display: block; color: var(--stamp); font-weight: 500; }
.foja > div { min-width: 0; display: grid; gap: 28px; align-content: start; }
.lead { color: var(--ink-soft); max-width: 60ch; font-size: 1.05rem; }

/* Hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 48px; padding-block: 64px 72px; border-bottom: 1px solid var(--rule); align-items: center; }
.hero h1 { font-size: var(--step-3); font-weight: 800; font-stretch: 115%; letter-spacing: -0.025em; }
.hero h1 em { font-style: normal; color: var(--stamp); }
.hero-copy { display: grid; gap: 24px; min-width: 0; }
.hero-copy .lead { font-size: 1.12rem; color: var(--ink); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* La carta: el objeto del oficio */
.carta {
  background: var(--sheet); border: 1px solid var(--rule); border-radius: 2px; padding: 28px 26px 24px;
  font-family: var(--mono); font-size: 0.8rem; line-height: 1.7; color: var(--ink-soft);
  box-shadow: 0 1px 0 var(--rule), 0 18px 40px -28px rgba(20, 33, 44, 0.45);
  position: relative; min-width: 0;
}
.carta .ref { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--rule); padding-bottom: 10px; margin-bottom: 14px; }
.carta p + p { margin-top: 10px; }
.carta mark { background: var(--stamp-tint); color: var(--ink); padding: 0 3px; }
.carta .notas { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 6px; border-top: 1px dashed var(--rule); padding-top: 14px; }
.carta .notas li { display: flex; gap: 10px; color: var(--ink); }
.carta .notas li::before { content: "✓"; color: var(--ok); font-weight: 600; }
.sello {
  position: absolute; top: -14px; right: 18px; transform: rotate(4deg);
  font: 600 0.72rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--stamp); border: 1.5px solid var(--stamp); background: var(--sheet); padding: 7px 10px; border-radius: 3px;
}
.carta .pie { margin-top: 14px; font-size: 0.72rem; }

/* Método */
.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 2px solid var(--ink); }
.pasos li { padding: 20px 20px 4px 0; display: grid; gap: 8px; align-content: start; }
.pasos li + li { padding-left: 20px; border-left: 1px solid var(--rule); }
.pasos .n { font-family: var(--mono); font-size: 0.8rem; color: var(--stamp); }
.pasos p { color: var(--ink-soft); }

/* Servicios */
.servicios { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; }
.servicios li { padding: 14px 0; border-bottom: 1px solid var(--rule); font-weight: 500; display: flex; gap: 14px; align-items: baseline; }
.servicios li::before { content: "§"; font-family: var(--mono); color: var(--stamp); font-weight: 400; }
.modalidad { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { font-family: var(--mono); font-size: 0.8rem; padding: 6px 10px; border: 1px solid var(--rule); border-radius: 3px; background: var(--sheet); }
.chip b { color: var(--navy); font-weight: 500; }

/* Para quién */
.tamanos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tamanos div { background: var(--sheet); border: 1px solid var(--rule); padding: 18px; display: grid; gap: 6px; }
.tamanos strong { font-family: var(--display); font-size: 1.15rem; font-stretch: 110%; }
.tamanos span { color: var(--ink-soft); font-size: 0.92rem; }
.rubros { display: flex; flex-wrap: wrap; gap: 8px; }

/* Pauta interactiva */
.pauta { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr); gap: 32px; align-items: start; }
.filtros { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.filtros label { display: flex; gap: 14px; align-items: flex-start; padding: 14px 16px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 3px; cursor: pointer; }
.filtros input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--navy); flex: none; }
.filtros .n { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft); flex: none; padding-top: 2px; }
.veredicto { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 84px); padding: 24px; border: 2px solid var(--stamp); background: var(--stamp-tint); border-radius: 3px; display: grid; gap: 10px; transition: background .2s, border-color .2s; }
.veredicto.ok { border-color: var(--ok); background: var(--ok-tint); }
.veredicto .estado { font-family: var(--display); font-weight: 800; font-stretch: 112%; font-size: 1.5rem; }
.veredicto .cuenta { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-soft); }
.veredicto small { color: var(--ink-soft); font-size: 0.8rem; }

/* Quién */
.quien { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 28px; align-items: start; }
.foto { width: 220px; max-width: 100%; height: auto; aspect-ratio: 6 / 7; object-fit: cover; border: 1px solid var(--rule); border-radius: 2px; background: var(--sheet); display: block; }
.quien .datos { display: grid; gap: 12px; max-width: 62ch; }
.hitos { display: flex; flex-wrap: wrap; gap: 8px; }

/* Contacto */
.contacto { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.contacto .cierre { display: grid; gap: 18px; }
.contacto .cierre h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
.medios { display: grid; gap: 10px; }
.medio { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--rule); }
.medio span:last-child { font-family: var(--mono); font-size: 0.88rem; color: var(--ink-soft); text-align: right; }
form { background: var(--sheet); border: 1px solid var(--rule); padding: 24px; display: grid; gap: 14px; border-radius: 3px; }
form label { display: grid; gap: 6px; font-size: 0.88rem; font-weight: 500; }
input[type="text"], input[type="tel"], textarea {
  font: inherit; font-size: 1rem; padding: 11px 12px; border: 1px solid var(--rule); border-radius: 3px; background: var(--paper); color: var(--ink); width: 100%;
}
textarea { min-height: 96px; resize: vertical; }
.privacidad { font-size: 0.78rem; color: var(--ink-soft); }
.enviado { padding: 12px 14px; background: var(--ok-tint); border-left: 3px solid var(--ok); font-size: 0.92rem; }

/* WhatsApp flotante */
.wsp {
  position: fixed; z-index: 6;
  right: calc(18px + env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  background: var(--ok); color: var(--sheet); border: none; border-radius: 999px; padding: 13px 18px;
  font: 600 0.9rem/1 var(--body); text-decoration: none; display: inline-flex; gap: 8px; align-items: center;
  box-shadow: 0 10px 24px -12px rgba(0,0,0,.5);
}
.wsp svg { width: 18px; height: 18px; fill: currentColor; }

footer { padding-block: 32px 96px; font-size: 0.82rem; color: var(--ink-soft); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

@media (max-width: 820px) {
  .hero, .pauta, .contacto { grid-template-columns: minmax(0, 1fr); }
  .foja { grid-template-columns: minmax(0, 1fr); gap: 12px; padding-block: 56px; }
  .folio strong { display: inline; margin-right: 8px; }
  .pasos { grid-template-columns: minmax(0, 1fr); }
  .pasos li, .pasos li + li { padding: 18px 0; border-left: none; border-bottom: 1px solid var(--rule); }
  .servicios, .tamanos { grid-template-columns: minmax(0, 1fr); }
  .veredicto { position: static; }
  header.top .brand span { display: none; }
}
@media (max-width: 480px) {
  .quien { grid-template-columns: minmax(0, 1fr); }
  .foto { width: 180px; }
  .cta-row .btn { flex: 1 1 100%; }
  header.top .largo { display: none; }
  header.top .corto { display: inline; }
  .brand b { white-space: nowrap; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* Compartido entre páginas */
html, body { margin: 0; }
header.top .wrap { flex-wrap: wrap; }
.nav { display: flex; gap: 22px; margin-left: auto; margin-right: 8px; }
.nav a { text-decoration: none; font-size: 0.9rem; color: var(--ink-soft); padding: 6px 0; border-bottom: 2px solid transparent; white-space: nowrap; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--stamp); }
.veredicto { top: calc(env(safe-area-inset-top, 0px) + 96px); }

/* Página de entrada */
.entrada { padding-block: 64px 32px; display: grid; gap: 20px; }
.entrada > * { max-width: 760px; }
.entrada h1 { font-size: var(--step-3); font-weight: 800; font-stretch: 115%; letter-spacing: -0.025em; }
.entrada h1 em { font-style: normal; color: var(--stamp); }
.situaciones { display: grid; gap: 12px; max-width: none; }
.situaciones ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.situaciones a { display: inline-block; padding: 9px 14px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 3px; color: var(--ink); text-decoration: none; font-size: 0.95rem; transition: border-color .15s; }
.situaciones a::after { content: " →"; font-family: var(--mono); color: var(--stamp); }
.situaciones a:hover, .situaciones a:focus-visible { border-color: var(--stamp); }
.opciones { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; padding-block: 24px 72px; border-bottom: 1px solid var(--rule); }
.opcion { background: var(--sheet); border: 1px solid var(--rule); border-radius: 3px; padding: 26px 24px 22px; display: grid; gap: 14px; align-content: start; text-decoration: none; transition: border-color .15s, transform .15s; }
.opcion:hover { border-color: var(--navy); transform: translateY(-2px); }
.opcion h2 { font-size: 1.5rem; }
.opcion p { color: var(--ink-soft); }
.opcion ul { list-style: none; margin: 0; padding: 12px 0 0; border-top: 1px dashed var(--rule); display: grid; gap: 6px; font-size: 0.92rem; }
.opcion li::before { content: "§ "; font-family: var(--mono); color: var(--stamp); }
.opcion .ir { font-weight: 600; color: var(--navy); margin-top: 6px; }
.opcion.principal { border: 2px solid var(--navy); }
.firma { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 20px; align-items: center; padding-block: 40px; border-bottom: 1px solid var(--rule); }
.firma img { width: 84px; height: 98px; object-fit: cover; border: 1px solid var(--rule); border-radius: 2px; }
.firma div { display: grid; gap: 4px; }
.nota { font-size: 0.82rem; color: var(--ink-soft); max-width: 70ch; }
.consejo { padding: 14px 16px; border-left: 3px solid var(--stamp); background: var(--sheet); max-width: 62ch; }

@media (max-width: 820px) {
  .opciones { grid-template-columns: minmax(0, 1fr); }
  .nav { order: 3; width: 100%; margin: 0; gap: 18px; overflow-x: auto; }
}
.carta .notas.preguntas li::before { content: "?"; color: var(--stamp); }

/* Principios */
.principios { display: grid; gap: 14px; margin-top: 8px; padding-top: 20px; border-top: 1px dashed var(--rule); }
.principios ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 28px; }
.principios li { display: grid; gap: 2px; font-size: 0.95rem; align-content: start; }
.principios li strong { font-weight: 600; }
.principios li span { color: var(--ink-soft); }
@media (max-width: 820px) { .principios ul { grid-template-columns: minmax(0, 1fr); } }

/* Ruta del conflicto */
.ruta { list-style: none; margin: 0; padding: 0; display: grid; border-left: 2px solid var(--ink); }
.ruta li { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 12px; padding: 16px 0 16px 20px; border-bottom: 1px solid var(--rule); }
.ruta li:last-child { border-bottom: none; }
.ruta .n { font-family: var(--mono); font-size: 0.8rem; color: var(--stamp); padding-top: 4px; }
.ruta h3 { font-size: var(--step-0); font-weight: 700; margin-bottom: 4px; }
.ruta p { color: var(--ink-soft); margin: 0; }
@media (max-width: 480px) { .ruta li { grid-template-columns: minmax(0, 1fr); gap: 4px; padding-left: 16px; } }

/* Formación */
.formacion { display: grid; gap: 8px; }
.formacion ul + .label { margin-top: 10px; }
.formacion ul { list-style: none; margin: 0; padding: 0; display: grid; }
.formacion li { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--rule); font-size: 0.95rem; }
.formacion li span:first-child { font-family: var(--mono); font-size: 0.82rem; color: var(--stamp); padding-top: 2px; }
blockquote.consejo { margin: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }