/* =============================================================
   Óptica Visual Plus — Villahermosa, Tabasco
   Hoja de estilos principal · Concepto "Mirada clara"
   Tipografías: Fraunces (OFL) · Inter (OFL)
   ============================================================= */

/* ---------- Fuentes locales ---------- */
@font-face {
  font-family: "Fraunces";
  src: url("../fonts/fraunces-700.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-400.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --azul: #1565c0;
  --azul-fuerte: #0e3d7c;
  --azul-noche: #0a2c59;
  --azul-agua: #e8f1fb;
  --dorado: #ffa000;
  --dorado-texto: #8a5a00;
  --tinta: #10233f;
  --tinta-suave: #43536b;
  --fondo: #f6f9fd;
  --blanco: #ffffff;
  --linea: #d9e4f2;
  --ok: #1b7f4d;
  --error: #b3261e;

  --radio: 14px;
  --radio-lg: 22px;
  --sombra: 0 10px 30px rgba(14, 61, 124, 0.10);
  --sombra-fuerte: 0 18px 50px rgba(10, 44, 89, 0.18);
  --ancho: 1160px;

  --fs-hero: clamp(2.1rem, 5.2vw, 3.6rem);
  --fs-h2: clamp(1.6rem, 3.4vw, 2.3rem);
  --fs-h3: clamp(1.15rem, 2.2vw, 1.4rem);

  --cabecera-h: 68px;
  --flotante-abajo: 18px;
}

/* ---------- Reset y base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--blanco);
  -webkit-text-size-adjust: 100%;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
h1, h2, h3, .titulo {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.6em;
  color: var(--azul-noche);
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-hero); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { margin: 0 0 1em; }
a { color: var(--azul-fuerte); text-underline-offset: 3px; }
a:hover { color: var(--azul); }
ul, ol { padding-left: 1.2em; }
:focus-visible {
  outline: 3px solid var(--dorado);
  outline-offset: 2px;
  border-radius: 4px;
}
.saltar {
  position: absolute; left: -9999px; top: 0;
  background: var(--dorado); color: #000; padding: 10px 16px; z-index: 1000;
}
.saltar:focus { left: 8px; }
.container { width: min(var(--ancho), 92%); margin-inline: auto; }
.oculto-vis { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 24px; border-radius: 999px;
  font-weight: 600; font-size: 0.98rem; text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primario { background: var(--azul); color: #fff; box-shadow: var(--sombra); }
.btn-primario:hover { background: var(--azul-fuerte); color: #fff; }
.btn-dorado { background: var(--dorado); color: #3d2b00; box-shadow: var(--sombra); }
.btn-dorado:hover { background: #ffab1f; color: #3d2b00; }
.btn-borde { border-color: var(--azul); color: var(--azul-fuerte); background: transparent; }
.btn-borde:hover { background: var(--azul-agua); }
.btn-blanco { border-color: #fff; color: #fff; background: transparent; }
.btn-blanco:hover { background: rgba(255, 255, 255, 0.14); }
.btn-chico { padding: 9px 18px; font-size: 0.9rem; }

/* ---------- Cabecera ---------- */
.cabecera {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--linea);
  transition: box-shadow 0.2s ease;
}
.cabecera.con-sombra { box-shadow: var(--sombra); }
.cabecera-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: var(--cabecera-h);
}
.logo img { height: 44px; width: auto; }
.navegacion ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.navegacion a {
  display: block; padding: 10px 14px; border-radius: 10px;
  text-decoration: none; color: var(--tinta); font-weight: 500; font-size: 0.97rem;
}
.navegacion a:hover { background: var(--azul-agua); color: var(--azul-fuerte); }
.navegacion a[aria-current="page"] { color: var(--azul-fuerte); font-weight: 700; }
.cabecera-acciones { display: flex; align-items: center; gap: 10px; }
.boton-menu {
  display: none; border: 2px solid var(--linea); background: #fff;
  border-radius: 12px; padding: 9px 11px; cursor: pointer;
}
.boton-menu svg { width: 22px; height: 22px; stroke: var(--azul-fuerte); }

@media (max-width: 920px) {
  .boton-menu { display: inline-flex; }
  .navegacion {
    position: fixed; inset: var(--cabecera-h) 0 auto 0;
    background: #fff; border-bottom: 1px solid var(--linea);
    box-shadow: var(--sombra-fuerte);
    transform: translateY(-110%); transition: transform 0.25s ease;
    max-height: calc(100dvh - var(--cabecera-h)); overflow: auto;
  }
  .navegacion.abierta { transform: translateY(0); }
  .navegacion ul { flex-direction: column; padding: 12px 5%; gap: 2px; }
  .navegacion a { padding: 14px; font-size: 1.05rem; }
  .cabecera-acciones .btn-primario { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff;
  min-height: clamp(480px, 72vh, 640px);
  display: flex; align-items: flex-end;
  overflow: hidden;
}
.hero-foto { position: absolute; inset: 0; }
.hero-foto img { width: 100%; height: 100%; object-fit: cover; }
.hero-foto::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(12deg, rgba(10, 44, 89, 0.88) 8%, rgba(10, 44, 89, 0.45) 55%, rgba(10, 44, 89, 0.15));
}
.hero-contenido { position: relative; padding: 84px 0 64px; max-width: 720px; }
.hero-contenido h1 { color: #fff; }
.hero-contenido .lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: #eaf2fc; }
.hero-etiqueta {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 160, 0, 0.16); border: 1px solid rgba(255, 160, 0, 0.55);
  color: #ffd54f; border-radius: 999px; padding: 6px 14px;
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  margin-bottom: 18px;
}
.hero-acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-datos {
  display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 26px;
  font-size: 0.9rem; color: #d7e5f7;
}
.hero-datos strong { color: #fff; }

/* ---------- Secciones ---------- */
.seccion { padding: clamp(56px, 9vw, 96px) 0; }
.seccion-alt { background: var(--fondo); }
.seccion-azul { background: var(--azul-noche); color: #dbe8f8; }
.seccion-azul h2, .seccion-azul h3 { color: #fff; }
.cabecera-seccion { max-width: 640px; margin-bottom: 40px; }
.cabecera-seccion.center { margin-inline: auto; text-align: center; }
.kicker {
  display: inline-block; color: var(--dorado-texto); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8rem; margin-bottom: 10px;
}
.seccion-azul .kicker { color: var(--dorado); }

/* Composición editorial: split asimétrico */
.split {
  display: grid; gap: clamp(28px, 5vw, 64px); align-items: center;
  grid-template-columns: 1.05fr 1fr;
}
.split-inverso { grid-template-columns: 1fr 1.05fr; }
.split .foto-marco { position: relative; }
.split .foto-marco img { border-radius: var(--radio-lg); box-shadow: var(--sombra-fuerte); }
.split .foto-marco::before {
  content: ""; position: absolute; inset: -14px 14px 14px -14px;
  border: 3px solid var(--dorado); border-radius: var(--radio-lg); z-index: -1;
}
@media (max-width: 820px) {
  .split, .split-inverso { grid-template-columns: 1fr; }
  .split-inverso .foto-marco { order: -1; }
}

/* Lista con puntos dorados */
.lista-check { list-style: none; padding: 0; margin: 0 0 1.4em; }
.lista-check li {
  padding-left: 34px; position: relative; margin-bottom: 12px;
}
.lista-check li::before {
  content: ""; position: absolute; left: 0; top: 4px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--azul-agua);
  border: 2px solid var(--azul);
}
.lista-check li::after {
  content: ""; position: absolute; left: 5px; top: 9px;
  width: 8px; height: 4.5px; border-left: 2.4px solid var(--azul-fuerte);
  border-bottom: 2.4px solid var(--azul-fuerte);
  transform: rotate(-45deg);
}

/* ---------- Tarjetas ---------- */
.tarjetas { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.tarjeta {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio-lg);
  padding: 26px; box-shadow: var(--sombra);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  display: flex; flex-direction: column;
}
.tarjeta:hover { transform: translateY(-4px); box-shadow: var(--sombra-fuerte); }
.tarjeta img { border-radius: 14px; margin-bottom: 18px; aspect-ratio: 4 / 3; object-fit: cover; }
.tarjeta h3 a { text-decoration: none; color: inherit; }
.tarjeta p:last-child { margin-bottom: 0; }
.tarjeta .precio { margin-top: auto; padding-top: 14px; }
.tarjeta .enlace-mas { font-weight: 600; }

/* Tarjeta destacada */
.tarjeta-destacada { border: 2px solid var(--dorado); position: relative; }
.etiqueta-flotante {
  position: absolute; top: -13px; right: 18px;
  background: var(--dorado); color: #3d2b00; font-weight: 700;
  font-size: 0.78rem; padding: 4px 12px; border-radius: 999px;
  letter-spacing: 0.03em; text-transform: uppercase;
}

/* Precio */
.precio { display: inline-flex; align-items: baseline; gap: 8px; font-weight: 700; color: var(--azul-fuerte); font-size: 1.25rem; }
.precio .desde { font-size: 0.8rem; color: var(--tinta-suave); font-weight: 600; }
.precio .monto { font-family: "Fraunces", Georgia, serif; font-size: 1.45em; }
.precio .nota-iva { font-size: 0.75rem; color: var(--tinta-suave); font-weight: 500; }

/* Franja de datos rápidos */
.datos-rapidos {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px; padding: 34px; background: #fff; border-radius: var(--radio-lg);
  border: 1px solid var(--linea); box-shadow: var(--sombra);
  margin-top: -70px; position: relative; z-index: 5;
}
.dato-rapido { display: flex; gap: 14px; align-items: flex-start; }
.dato-rapido svg { width: 30px; height: 30px; flex: none; stroke: var(--azul); fill: none; stroke-width: 1.8; }
.dato-rapido strong { display: block; font-size: 0.95rem; }
.dato-rapido span { font-size: 0.88rem; color: var(--tinta-suave); }

/* Tabla de precios */
.tabla-envoltura { overflow-x: auto; border-radius: var(--radio); border: 1px solid var(--linea); background: #fff; }
table.precios { width: 100%; border-collapse: collapse; min-width: 560px; }
table.precios th, table.precios td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--linea); }
table.precios th { background: var(--azul-agua); color: var(--azul-noche); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }
table.precios tr:last-child td { border-bottom: none; }
table.precios td:nth-child(2), table.precios th:nth-child(2) { text-align: right; white-space: nowrap; font-weight: 600; }

/* ---------- Catálogo: filtros ---------- */
.herramientas-catalogo {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  padding: 18px; background: #fff; border: 1px solid var(--linea);
  border-radius: var(--radio); margin-bottom: 28px; box-shadow: var(--sombra);
}
.herramientas-catalogo input[type="search"] {
  flex: 1 1 220px; padding: 11px 16px; border: 2px solid var(--linea); border-radius: 999px;
  font: inherit; font-size: 0.95rem;
}
.herramientas-catalogo input[type="search"]:focus { border-color: var(--azul); outline: none; }
.chips-filtro { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 2px solid var(--linea); background: #fff; color: var(--tinta);
  border-radius: 999px; padding: 8px 16px; font: inherit; font-size: 0.88rem;
  font-weight: 600; cursor: pointer;
}
.chip:hover { border-color: var(--azul); color: var(--azul-fuerte); }
.chip[aria-pressed="true"] { background: var(--azul); border-color: var(--azul); color: #fff; }
.catalogo-grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); }
.vacio { padding: 40px; text-align: center; background: var(--azul-agua); border-radius: var(--radio); grid-column: 1 / -1; }

/* ---------- Cotizador ---------- */
.cotizador {
  background: var(--azul-noche); color: #dbe8f8; border-radius: var(--radio-lg);
  padding: clamp(24px, 4vw, 44px); margin-top: 48px;
}
.cotizador h2 { color: #fff; }
.cotizador-lista { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.cotizador-item {
  display: flex; align-items: center; gap: 10px; background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16); border-radius: 12px; padding: 11px 14px;
  font-size: 0.92rem;
}
.cotizador-item input { width: 19px; height: 19px; accent-color: var(--dorado); flex: none; }
.cotizador-item .etq { flex: 1; }
.cotizador-item .pre { font-weight: 700; color: #ffd54f; white-space: nowrap; }
.cotizador-resumen {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between;
  margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.cotizador-total { font-size: 1.25rem; }
.cotizador-total strong { font-family: "Fraunces", Georgia, serif; font-size: 1.6em; color: #ffd54f; }
.cotizador .nota { font-size: 0.82rem; color: #a8c3e2; margin-top: 10px; }

/* ---------- Galería + lightbox ---------- */
.galeria-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.galeria-grid figure { margin: 0; position: relative; }
.galeria-grid button {
  padding: 0; border: none; background: none; cursor: zoom-in; border-radius: var(--radio);
  overflow: hidden; display: block; width: 100%;
}
.galeria-grid img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; transition: transform 0.25s ease; }
.galeria-grid button:hover img { transform: scale(1.04); }
.galeria-grid figcaption {
  position: absolute; left: 10px; bottom: 10px; right: 10px;
  background: rgba(10, 44, 89, 0.82); color: #fff; font-size: 0.82rem;
  padding: 7px 12px; border-radius: 10px; pointer-events: none;
}
.lightbox {
  position: fixed; inset: 0; z-index: 120; background: rgba(6, 24, 48, 0.92);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.lightbox.abierto { display: flex; }
.lightbox img { max-width: min(1000px, 94vw); max-height: 78vh; border-radius: 12px; box-shadow: var(--sombra-fuerte); }
.lightbox-pie { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); color: #dce9f9; font-size: 0.9rem; text-align: center; }
.lightbox-cerrar, .lightbox-prev, .lightbox-next {
  position: absolute; background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff; border-radius: 50%; width: 46px; height: 46px; font-size: 1.3rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-cerrar { top: 18px; right: 18px; }
.lightbox-prev { left: 18px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 18px; top: 50%; transform: translateY(-50%); }
.lightbox-cerrar:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255, 255, 255, 0.26); }

/* ---------- FAQ ---------- */
.faq-lista { max-width: 780px; margin-inline: auto; }
.faq-lista details {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  margin-bottom: 12px; overflow: hidden;
}
.faq-lista summary {
  cursor: pointer; padding: 18px 22px; font-weight: 600; color: var(--azul-noche);
  list-style: none; display: flex; justify-content: space-between; gap: 14px; align-items: center;
}
.faq-lista summary::after { content: "+"; font-size: 1.5rem; color: var(--dorado-texto); line-height: 1; }
.faq-lista details[open] summary::after { content: "−"; }
.faq-lista details[open] summary { background: var(--azul-agua); }
.faq-lista .faq-cuerpo { padding: 6px 22px 18px; }
.faq-lista p:last-child { margin-bottom: 0; }

/* ---------- Artículos / blog ---------- */
.tarjetas-blog { display: grid; gap: 24px; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.tarjeta-blog { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio-lg); overflow: hidden; box-shadow: var(--sombra); transition: transform .18s ease, box-shadow .18s ease; }
.tarjeta-blog:hover { transform: translateY(-4px); box-shadow: var(--sombra-fuerte); }
.tarjeta-blog img { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }
.tarjeta-blog .cuerpo { padding: 22px; }
.fecha { font-size: 0.84rem; color: var(--tinta-suave); display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.articulo { max-width: 760px; margin-inline: auto; }
.articulo .portada-articulo { border-radius: var(--radio-lg); margin: 24px 0; }
.articulo-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.9rem; color: var(--tinta-suave); }
.articulo h2 { margin-top: 1.6em; }
.articulo blockquote {
  margin: 1.6em 0; padding: 16px 24px; border-left: 4px solid var(--dorado);
  background: var(--fondo); border-radius: 0 var(--radio) var(--radio) 0;
  font-family: "Fraunces", Georgia, serif; font-size: 1.1rem; color: var(--azul-noche);
}
.cajas-relacionadas { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 36px; }
.caja-relacionada { background: var(--azul-agua); border-radius: var(--radio); padding: 18px 20px; font-size: 0.95rem; }
.caja-relacionada strong { display: block; margin-bottom: 6px; color: var(--azul-noche); }

/* ---------- Formularios ---------- */
.form-zona { display: grid; gap: 34px; grid-template-columns: 1.15fr 0.85fr; align-items: start; }
@media (max-width: 860px) { .form-zona { grid-template-columns: 1fr; } }
.formulario { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio-lg); padding: clamp(22px, 4vw, 34px); box-shadow: var(--sombra); }
.campo { margin-bottom: 18px; }
.campo label { display: block; font-weight: 600; font-size: 0.92rem; margin-bottom: 7px; }
.campo .obligatorio { color: var(--error); }
.campo input, .campo textarea, .campo select {
  width: 100%; padding: 12px 15px; border: 2px solid var(--linea); border-radius: 12px;
  font: inherit; background: #fbfdff; color: var(--tinta);
}
.campo input:focus, .campo textarea:focus, .campo select:focus { border-color: var(--azul); outline: none; background: #fff; }
.campo input[aria-invalid="true"], .campo textarea[aria-invalid="true"] { border-color: var(--error); }
.campo small.mensaje-error { color: var(--error); font-size: 0.83rem; display: none; margin-top: 5px; }
.campo.error small.mensaje-error { display: block; }
.campo-check { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; margin-bottom: 14px; }
.campo-check input { width: 19px; height: 19px; margin-top: 2px; accent-color: var(--azul); flex: none; }
.aviso-form {
  background: var(--azul-agua); border-radius: 12px; padding: 12px 16px; font-size: 0.86rem;
  margin-bottom: 18px; color: var(--azul-noche);
}
.estado-envio { border-radius: 12px; padding: 14px 18px; margin-top: 16px; font-size: 0.94rem; display: none; }
.estado-envio.visible { display: block; }
.estado-envio.exito { background: #e3f5ea; color: #14532d; border: 1px solid #b5e0c5; }
.estado-envio.error { background: #fdeaea; color: #7f1d1d; border: 1px solid #f3c1c1; }
.tarjeta-contacto { background: var(--azul-noche); color: #dbe8f8; border-radius: var(--radio-lg); padding: clamp(22px, 4vw, 34px); }
.tarjeta-contacto h2, .tarjeta-contacto h3 { color: #fff; }
.linea-contacto { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.linea-contacto svg { width: 24px; height: 24px; stroke: var(--dorado); fill: none; stroke-width: 1.8; flex: none; margin-top: 2px; }
.linea-contacto a { color: #fff; }

/* ---------- Chatbot ---------- */
.chat-flotante {
  position: fixed; right: 18px; bottom: var(--flotante-abajo); z-index: 90;
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
}
.chat-boton {
  width: 62px; height: 62px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--azul); color: #fff; box-shadow: var(--sombra-fuerte);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.15s ease, background 0.15s ease;
}
.chat-boton:hover { background: var(--azul-fuerte); transform: scale(1.05); }
.chat-boton svg { width: 28px; height: 28px; fill: #fff; }
.chat-boton .punto-nota {
  position: absolute; top: 2px; right: 2px; width: 14px; height: 14px;
  background: var(--dorado); border-radius: 50%; border: 2px solid #fff;
}
.chat-panel {
  width: min(370px, calc(100vw - 36px)); height: min(520px, 68dvh);
  background: #fff; border-radius: 18px; box-shadow: var(--sombra-fuerte);
  display: none; flex-direction: column; overflow: hidden;
  border: 1px solid var(--linea);
}
.chat-panel.abierto { display: flex; }
.chat-cabecera {
  background: var(--azul-noche); color: #fff; padding: 14px 16px;
  display: flex; align-items: center; gap: 12px;
}
.chat-cabecera .avatar {
  width: 38px; height: 38px; border-radius: 50%; background: var(--azul);
  display: flex; align-items: center; justify-content: center; flex: none;
}
.chat-cabecera .avatar svg { width: 22px; height: 22px; }
.chat-cabecera strong { display: block; font-size: 0.98rem; }
.chat-cabecera small { color: #9fc2e8; font-size: 0.78rem; display: block; }
.chat-cabecera button { margin-left: auto; background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.3); border-radius: 10px; padding: 6px 10px; cursor: pointer; font-size: .78rem; }
.chat-cabecera button:hover { background: rgba(255,255,255,.22); }
.chat-mensajes { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; background: var(--fondo); }
.chat-msj { max-width: 85%; padding: 11px 15px; border-radius: 16px; font-size: 0.93rem; line-height: 1.5; }
.chat-msj.bot { background: #fff; border: 1px solid var(--linea); border-bottom-left-radius: 5px; align-self: flex-start; }
.chat-msj.user { background: var(--azul); color: #fff; border-bottom-right-radius: 5px; align-self: flex-end; }
.chat-msj a { color: var(--azul-fuerte); }
.chat-msj.user a { color: #fff; }
.chat-msj ul { margin: 6px 0 2px; padding-left: 18px; }
.chat-opciones { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 16px 10px; background: var(--fondo); }
.chat-opciones button {
  border: 2px solid var(--azul); color: var(--azul-fuerte); background: #fff;
  border-radius: 999px; padding: 7px 14px; font: inherit; font-size: 0.84rem; font-weight: 600; cursor: pointer;
}
.chat-opciones button:hover { background: var(--azul-agua); }
.chat-form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--linea); background: #fff; }
.chat-form input {
  flex: 1; border: 2px solid var(--linea); border-radius: 999px; padding: 10px 16px; font: inherit; font-size: 0.92rem;
}
.chat-form input:focus { border-color: var(--azul); outline: none; }
.chat-form button {
  width: 44px; height: 44px; border-radius: 50%; border: none; background: var(--azul); color: #fff;
  cursor: pointer; display: flex; align-items: center; justify-content: center; flex: none;
}
.chat-form button:hover { background: var(--azul-fuerte); }
.chat-form button svg { width: 20px; height: 20px; fill: #fff; }

/* ---------- Botón flotante WhatsApp ---------- */
.whats-flotante {
  position: fixed; left: 18px; bottom: var(--flotante-abajo); z-index: 90;
  display: inline-flex; align-items: center; gap: 10px;
  background: #25d366; color: #06331a; font-weight: 700; text-decoration: none;
  border-radius: 999px; padding: 13px 20px 13px 15px; box-shadow: var(--sombra-fuerte);
  transition: transform 0.15s ease;
}
.whats-flotante:hover { transform: scale(1.04); color: #06331a; }
.whats-flotante svg { width: 24px; height: 24px; fill: #06331a; }
@media (max-width: 480px) { .whats-flotante span { display: none; } .whats-flotante { padding: 13px; } }

/* ---------- Banner de cookies ---------- */
.barra-cookies {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
  background: #fff; border-top: 3px solid var(--dorado);
  box-shadow: 0 -10px 40px rgba(10, 44, 89, 0.2);
  padding: 16px 5%; display: none; gap: 18px; align-items: center; justify-content: space-between; flex-wrap: wrap;
}
.barra-cookies.visible { display: flex; }
.barra-cookies .texto-cookies { max-width: 620px; font-size: 0.88rem; margin: 0; }
.barra-cookies .acciones-cookies { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Breadcrumb ---------- */
.migas { padding: 22px 0 0; font-size: 0.88rem; color: var(--tinta-suave); }
.migas ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.migas li + li::before { content: "›"; margin-right: 6px; color: var(--dorado-texto); }

/* ---------- Pie de página ---------- */
.pie { background: var(--azul-noche); color: #b9cfe9; padding: 56px 0 0; margin-top: 0; }
.pie-grid { display: grid; gap: 36px; grid-template-columns: 1.3fr 1fr 1.2fr 1fr; padding-bottom: 40px; }
@media (max-width: 860px) { .pie-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .pie-grid { grid-template-columns: 1fr; } }
.pie h3 { color: #fff; font-size: 1.02rem; margin-bottom: 14px; font-family: "Inter", sans-serif; }
.pie ul { list-style: none; padding: 0; margin: 0; }
.pie li { margin-bottom: 9px; }
.pie a { color: #b9cfe9; }
.pie a:hover { color: #fff; }
.pie .logo img { height: 40px; }
.pie-marca p { font-size: 0.92rem; }
.pie-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.14); padding: 18px 0;
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; align-items: center;
  font-size: 0.83rem;
}
.pie-legal button { background: none; border: none; color: #b9cfe9; font: inherit; text-decoration: underline; cursor: pointer; padding: 0; }
.pie-legal button:hover { color: #fff; }

/* ---------- Utilidades página legal ---------- */
.pagina-legal { max-width: 820px; margin-inline: auto; }
.pagina-legal h2 { margin-top: 1.8em; font-size: 1.35rem; }
.pagina-legal h3 { margin-top: 1.4em; }
.pagina-legal .actualizado { font-size: 0.88rem; color: var(--tinta-suave); }

/* ---------- Animación revelar ---------- */
@media (prefers-reduced-motion: no-preference) {
  .revelar { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
  .revelar.visto { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* ---------- 404 ---------- */
.pagina-404 { text-align: center; padding: 90px 5% 110px; }
.pagina-404 .codigo { font-family: "Fraunces", Georgia, serif; font-size: clamp(5rem, 18vw, 9rem); color: var(--azul-agua); line-height: 1; margin-bottom: 8px; -webkit-text-stroke: 2px var(--azul); }