/* =============================================================
   Audit Tribunal — hoja de estilos institucional
   Tono: autoridad, independencia, rigor. Sobrio, sin marketing.
   Sin dependencias JS. Fuentes con fallback robusto.
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Inter:wght@400;500;600&display=swap');

/* ---------- Tokens ---------- */
:root {
  --tinta:        #12202e;   /* navy casi negro: títulos y header */
  --tinta-2:      #0d1822;
  --texto:        #23292f;   /* cuerpo */
  --tenue:        #59636d;   /* secundario */
  --vino:         #6e2334;   /* acento: burdeos institucional */
  --vino-claro:   #8a3346;
  --dorado:       #9a7b3f;   /* detalle, uso mínimo */
  --papel:        #f7f5ef;   /* fondo marfil */
  --papel-2:      #efece2;   /* fondo alterno */
  --blanco:       #fdfcf9;
  --linea:        #ddd7ca;   /* bordes suaves */
  --linea-fuerte: #c7bfae;

  --serif: 'Lora', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --ancho:      1120px;
  --prosa:      700px;
  --r:          4px;         /* radios discretos, nada redondeado */
  --sombra:     0 1px 2px rgba(18,32,46,.05), 0 8px 28px rgba(18,32,46,.06);
  --transicion: 160ms ease;
}

/* ---------- Reset suave ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--papel);
  color: var(--texto);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--vino); text-decoration: none; }
a:hover { color: var(--vino-claro); }
h1, h2, h3, h4 { font-family: var(--serif); color: var(--tinta); font-weight: 500; line-height: 1.2; letter-spacing: -0.01em; }
p { margin: 0 0 1.1em; }
hr { border: 0; border-top: 1px solid var(--linea); margin: 2.5rem 0; }

::selection { background: rgba(110,35,52,.14); }

/* ---------- Accesibilidad ---------- */
.saltar {
  position: absolute; left: -999px; top: 0;
  background: var(--tinta); color: #fff; padding: .6rem 1rem; z-index: 1000;
}
.saltar:focus { left: 0; }
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--vino);
  outline-offset: 2px;
}

/* ---------- Contenedores ---------- */
.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 24px; }
.prosa { max-width: var(--prosa); }
.prosa p, .prosa li { color: var(--texto); }

.eyebrow {
  font-family: var(--sans);
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--vino);
  font-weight: 600;
  margin: 0 0 .9rem;
}
.eyebrow--tenue { color: var(--tenue); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247,245,239,.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--linea);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: 14px 24px; max-width: var(--ancho); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--tinta); }
.brand__mark { width: 34px; height: 34px; flex: 0 0 auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name {
  font-family: var(--serif); font-weight: 600; font-size: 1.06rem;
  letter-spacing: .01em; color: var(--tinta);
}
.brand__role { font-size: .69rem; letter-spacing: .13em; text-transform: uppercase; color: var(--tenue); }

.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a {
  font-size: .92rem; color: var(--texto); font-weight: 500;
  padding: 4px 0; border-bottom: 1.5px solid transparent; transition: border-color var(--transicion), color var(--transicion);
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--tinta); border-bottom-color: var(--vino); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--linea-fuerte);
  border-radius: var(--r); padding: 8px 10px; cursor: pointer; color: var(--tinta);
  font-family: var(--sans); font-size: .85rem; align-items: center; gap: 8px;
}
.nav-toggle__bars { display: inline-flex; flex-direction: column; gap: 3px; }
.nav-toggle__bars span { width: 16px; height: 1.5px; background: var(--tinta); display: block; }

/* ---------- Botones / enlaces de acción ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--sans); font-size: .93rem; font-weight: 600;
  padding: 12px 22px; border-radius: var(--r); cursor: pointer;
  border: 1px solid transparent; transition: background var(--transicion), color var(--transicion), border-color var(--transicion);
}
.btn--primario { background: var(--tinta); color: #fff; }
.btn--primario:hover { background: var(--tinta-2); color: #fff; }
.btn--linea { background: transparent; color: var(--tinta); border-color: var(--linea-fuerte); }
.btn--linea:hover { border-color: var(--tinta); color: var(--tinta); }
.enlace-flecha { font-weight: 600; display: inline-flex; align-items: center; gap: .4rem; }
.enlace-flecha::after { content: "→"; transition: transform var(--transicion); }
.enlace-flecha:hover::after { transform: translateX(3px); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(110,35,52,.06), transparent 60%),
    linear-gradient(180deg, var(--blanco), var(--papel));
  border-bottom: 1px solid var(--linea);
}
.hero__inner { padding: 84px 0 72px; max-width: 860px; }
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.35rem);
  margin: 0 0 1.1rem;
  letter-spacing: -0.02em;
}
.hero__lead { font-size: clamp(1.08rem, 2.2vw, 1.3rem); color: var(--tenue); max-width: 640px; margin: 0 0 1.8rem; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: .4rem; }

/* ---------- Secciones ---------- */
.seccion { padding: 72px 0; }
.seccion--alt { background: var(--papel-2); border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); }
.seccion__titulo { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin: 0 0 1rem; max-width: 720px; }
.seccion__intro { color: var(--tenue); max-width: 680px; font-size: 1.06rem; margin-bottom: 2.4rem; }

/* ---------- Rejillas de tarjetas ---------- */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--r);
  padding: 30px 28px;
  transition: box-shadow var(--transicion), border-color var(--transicion), transform var(--transicion);
}
.card:hover { box-shadow: var(--sombra); border-color: var(--linea-fuerte); }
.card__num {
  font-family: var(--serif); font-size: .9rem; color: var(--vino);
  border: 1px solid var(--vino); width: 30px; height: 30px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.card h3 { font-size: 1.28rem; margin: 0 0 .55rem; }
.card p { color: var(--tenue); font-size: .98rem; margin-bottom: .8rem; }
.card__meta { font-size: .8rem; color: var(--tenue); letter-spacing: .04em; border-top: 1px solid var(--linea); padding-top: 12px; margin-top: 4px; }

/* ---------- Callout / firewall ---------- */
.callout {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-left: 4px solid var(--vino);
  border-radius: var(--r);
  padding: 28px 30px;
  margin: 0;
}
.callout h3 { font-size: 1.2rem; margin: 0 0 .6rem; }
.callout p:last-child { margin-bottom: 0; }
.callout--tinta { border-left-color: var(--tinta); }

/* Declaración de límites: lista de "no hace / sí hace" */
.limites { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 1.5rem; }
.limites__col { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r); padding: 26px 26px; }
.limites__col h3 { font-size: 1.06rem; margin: 0 0 1rem; display: flex; align-items: center; gap: .55rem; }
.limites ul { list-style: none; margin: 0; padding: 0; }
.limites li { position: relative; padding-left: 1.7rem; margin-bottom: .7rem; color: var(--texto); font-size: .98rem; }
.limites li::before { position: absolute; left: 0; top: 0; font-weight: 600; }
.limites--no li::before { content: "—"; color: var(--vino); }
.limites--si li::before { content: "✓"; color: var(--tinta); }

/* ---------- Pasos (metodología) ---------- */
.pasos { counter-reset: paso; display: grid; gap: 6px; margin-top: 1rem; }
.paso {
  display: grid; grid-template-columns: 56px 1fr; gap: 22px; align-items: start;
  padding: 26px 0; border-top: 1px solid var(--linea);
}
.paso:last-child { border-bottom: 1px solid var(--linea); }
.paso__n {
  counter-increment: paso; font-family: var(--serif); font-size: 1.5rem; color: var(--vino);
}
.paso__n::before { content: counter(paso, decimal-leading-zero); }
.paso h3 { font-size: 1.18rem; margin: 0 0 .4rem; }
.paso p { color: var(--tenue); margin: 0; font-size: .99rem; }

/* ---------- Principios doctrinales ---------- */
.principio { padding: 26px 0; border-top: 1px solid var(--linea); display: grid; grid-template-columns: 210px 1fr; gap: 28px; }
.principio:last-child { border-bottom: 1px solid var(--linea); }
.principio__nombre { font-family: var(--serif); font-size: 1.2rem; color: var(--tinta); }
.principio__nombre span { display: block; font-family: var(--sans); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--tenue); margin-top: .35rem; }
.principio p { margin: 0; color: var(--texto); }

/* ---------- Nota / carta institucional ---------- */
.carta { background: var(--papel-2); border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); }
.carta__inner { padding: 72px 0; max-width: var(--prosa); }
.carta blockquote { margin: 0; font-family: var(--serif); font-size: 1.28rem; line-height: 1.55; color: var(--tinta); font-style: italic; }
.carta__firma { margin-top: 1.6rem; font-size: .9rem; color: var(--tenue); letter-spacing: .03em; }
.carta__firma strong { color: var(--texto); font-weight: 600; font-style: normal; }

/* ---------- Formulario (maqueta) ---------- */
.form-nota {
  font-size: .85rem; color: var(--tenue); background: var(--papel-2);
  border: 1px dashed var(--linea-fuerte); border-radius: var(--r); padding: 12px 16px; margin-bottom: 1.8rem;
}
.campo { margin-bottom: 1.2rem; }
.campo label { display: block; font-size: .88rem; font-weight: 600; color: var(--tinta); margin-bottom: .4rem; }
.campo input, .campo textarea, .campo select {
  width: 100%; font-family: var(--sans); font-size: 1rem; color: var(--texto);
  background: var(--blanco); border: 1px solid var(--linea-fuerte); border-radius: var(--r);
  padding: 12px 14px;
}
.campo textarea { min-height: 150px; resize: vertical; }
.campo__ayuda { font-size: .8rem; color: var(--tenue); margin-top: .35rem; }
.contacto-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: clamp(34px, 7vw, 88px); align-items: start; }
.formulario-intake { margin-top: 2rem; padding: clamp(22px, 4vw, 34px); background: var(--papel-2); border: 1px solid var(--linea); border-radius: var(--r); }
.formulario-intake .btn[disabled] { cursor: wait; opacity: .62; }
.campo--trampa { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.consentimiento { display: flex; gap: 12px; align-items: flex-start; margin: 0 0 1.4rem; color: var(--texto); font-size: .9rem; }
.consentimiento input { width: 1.1rem; height: 1.1rem; margin-top: .15rem; flex: 0 0 auto; }
.form-status { margin: 1.25rem 0 0; padding: 14px 16px; border-left: 4px solid var(--vino); background: var(--blanco); }
.form-status--ok { border-left-color: #27764b; }
.form-status--error { border-left-color: #a12e36; }
.contacto-aside { padding: 28px; border-top: 3px solid var(--vino); background: var(--blanco); box-shadow: var(--sombra); }
.contacto-aside h2 { font-size: clamp(1.55rem, 3vw, 2rem); }

/* ---------- Datos de contacto ---------- */
.dato { border-top: 1px solid var(--linea); padding: 18px 0; }
.dato:first-child { border-top: 0; }
.dato__k { font-size: .74rem; text-transform: uppercase; letter-spacing: .14em; color: var(--tenue); margin-bottom: .3rem; }
.dato__v { color: var(--texto); font-size: 1.02rem; }

/* ---------- Sello / firma visual ---------- */
.sello { display: inline-flex; align-items: center; gap: 14px; color: var(--tenue); font-size: .86rem; }
.sello svg { width: 46px; height: 46px; }

/* ---------- Cinta de límites (banda) ---------- */
.banda-limite {
  background: var(--tinta); color: #e9e4d8; text-align: center;
  padding: 18px 24px; font-size: .95rem; letter-spacing: .01em;
}
.banda-limite strong { color: #fff; font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer { background: var(--tinta); color: #c7cdd4; padding: 60px 0 30px; }
.site-footer a { color: #d7dce2; }
.site-footer a:hover { color: #fff; }
.site-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; }
.site-footer__brand-name { font-family: var(--serif); font-size: 1.25rem; color: #fff; margin-bottom: .4rem; }
.site-footer__brand-role { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: #8f99a3; margin-bottom: 1rem; }
.site-footer__about { font-size: .9rem; color: #9aa4ad; max-width: 320px; }
.site-footer h4 { font-family: var(--sans); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: #8f99a3; margin: 0 0 1rem; font-weight: 600; }
.site-footer__col a { display: block; font-size: .92rem; margin-bottom: .6rem; }
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px;
  display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between;
  font-size: .82rem; color: #8f99a3;
}
.site-footer__bottom a { color: #a7b0b9; }

/* ---------- Utilidades ---------- */
.mt-0 { margin-top: 0; }
.center { text-align: center; }
.medida { max-width: var(--prosa); }
.tenue { color: var(--tenue); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid--3 { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .limites { grid-template-columns: 1fr; }
  .principio { grid-template-columns: 1fr; gap: 10px; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .contacto-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header.abierto .nav {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--papel); border-bottom: 1px solid var(--linea); padding: 8px 24px 18px;
  }
  .site-header.abierto .nav a { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--linea); }
  .hero__inner { padding: 60px 0 50px; }
  .seccion { padding: 52px 0; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 26px; }
  .paso { grid-template-columns: 40px 1fr; gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}