/* Puentes Internacionales Juárez — estilo del sitio
   Colores tomados del ícono de la app: cielo azul, puente blanco, X roja. */
:root {
  --azul-claro: #35a7f2;
  --azul: #1b78c4;
  --azul-oscuro: #0b4a8b;
  --rojo: #e02a2f;
  --fondo: #f3f7fb;
  --tarjeta: #ffffff;
  --texto: #14202e;
  --texto-suave: #5b6b7c;
  --borde: #dde6ef;
  --verde: #16a34a;
  --ambar: #d97706;
  --naranja-rojo: #dc2626;
  --gris: #94a3b8;
  --sombra: 0 1px 2px rgba(15, 40, 70, .06), 0 4px 16px rgba(15, 40, 70, .06);
  --radio: 16px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #0c1219;
    --tarjeta: #151e29;
    --texto: #e8eef5;
    --texto-suave: #9aabbd;
    --borde: #243242;
    --sombra: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .25);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--texto);
  background: var(--fondo);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul); }
@media (prefers-color-scheme: dark) { a { color: var(--azul-claro); } }
.contenedor { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.salto { position: absolute; left: -9999px; }
.salto:focus { left: 16px; top: 8px; background: #fff; color: #000; padding: 8px 12px; border-radius: 8px; z-index: 99; }

/* ── encabezado ── */
.encabezado {
  background: linear-gradient(180deg, var(--azul-claro), var(--azul-oscuro));
  color: #fff;
}
.barra { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; }
.marca { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; line-height: 1.15; }
.marca img { width: 40px; height: 40px; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,.2); }
.marca small { display: block; font-weight: 500; opacity: .85; font-size: 13px; }
.menu { display: flex; gap: 4px; flex-wrap: wrap; }
.menu a { color: #fff; text-decoration: none; font-weight: 600; font-size: 15px; padding: 8px 12px; border-radius: 999px; }
.menu a:hover, .menu a[aria-current="page"] { background: rgba(255,255,255,.18); }
@media (max-width: 640px) {
  .menu a.opcional { display: none; }
  .menu { flex-wrap: nowrap; }
  .menu a { padding: 6px 10px; font-size: 14px; }
  .marca { font-size: 15px; }
  .marca img { width: 34px; height: 34px; }
  .tabla th, .tabla td { padding: 10px 8px; font-size: 14px; }
}

.portada { padding: 28px 0 36px; }
.portada h1 { font-size: clamp(28px, 6vw, 44px); line-height: 1.1; margin: 0 0 10px; letter-spacing: -.02em; }
.portada p { margin: 0; font-size: clamp(16px, 2.6vw, 19px); opacity: .92; max-width: 640px; }

/* ── selector de carril ── */
.panel { margin-top: -18px; }
.selector {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 999px;
  box-shadow: var(--sombra);
  display: flex;
  padding: 5px;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.selector::-webkit-scrollbar { display: none; }
.selector button {
  flex: 1 0 auto;
  border: 0;
  background: transparent;
  color: var(--texto);
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
}
.selector button[aria-pressed="true"] { background: var(--azul); color: #fff; }
.estado { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; color: var(--texto-suave); font-size: 14px; margin: 14px 4px 10px; }
.estado button { font: inherit; font-weight: 600; color: var(--azul); background: none; border: 0; cursor: pointer; padding: 4px 0; }

/* ── tarjetas de puente ── */
.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px; }
.tarjeta {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  transition: transform .12s ease, box-shadow .12s ease;
}
a.tarjeta:hover { transform: translateY(-2px); }
.tarjeta-arriba { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.tarjeta h3 { margin: 0; font-size: 18px; line-height: 1.25; }
.tarjeta .us { color: var(--texto-suave); font-size: 13px; }
.minutos { text-align: right; flex-shrink: 0; }
.minutos b { display: block; font-size: 38px; line-height: 1; font-variant-numeric: tabular-nums; }
.minutos span { font-size: 13px; color: var(--texto-suave); }
.minutos.verde b { color: var(--verde); }
.minutos.ambar b { color: var(--ambar); }
.minutos.rojo b { color: var(--naranja-rojo); }
.minutos.gris b { color: var(--gris); font-size: 22px; }
.detalles { display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; }
.chip { background: var(--fondo); border: 1px solid var(--borde); border-radius: 999px; padding: 3px 10px; color: var(--texto-suave); }
.chip.aviso { color: var(--rojo); border-color: color-mix(in srgb, var(--rojo) 35%, transparent); }
.tarjeta .ver { font-size: 14px; font-weight: 600; color: var(--azul); margin-top: auto; }
@media (prefers-color-scheme: dark) { .tarjeta .ver { color: var(--azul-claro); } }
.esqueleto { min-height: 120px; background: linear-gradient(90deg, var(--tarjeta), var(--fondo), var(--tarjeta)); background-size: 200% 100%; animation: brillo 1.4s infinite; }
@keyframes brillo { to { background-position: -200% 0; } }
.error { background: var(--tarjeta); border: 1px dashed var(--borde); border-radius: var(--radio); padding: 20px; text-align: center; color: var(--texto-suave); }

/* ── secciones ── */
section { padding: 36px 0; }
h2 { font-size: clamp(22px, 4vw, 30px); line-height: 1.2; margin: 0 0 14px; letter-spacing: -.01em; }
.subtitulo { color: var(--texto-suave); margin: -6px 0 18px; }

/* promo de la app */
.promo {
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul));
  color: #fff;
  border-radius: 22px;
  padding: 28px 22px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: center;
}
.promo img { width: 96px; height: 96px; border-radius: 22px; box-shadow: 0 6px 20px rgba(0,0,0,.25); }
.promo h2 { color: #fff; margin-bottom: 6px; }
.promo ul { margin: 8px 0 16px; padding-left: 20px; }
.botones { display: flex; flex-wrap: wrap; gap: 10px; }
.boton {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--azul-oscuro);
  font-weight: 700; text-decoration: none;
  padding: 12px 18px; border-radius: 12px;
}
.boton.secundario { background: rgba(255,255,255,.15); color: #fff; cursor: default; }
@media (max-width: 560px) { .promo { grid-template-columns: 1fr; text-align: left; } }

/* publicidad */
.anuncio { margin: 24px auto; min-height: 100px; display: flex; align-items: center; justify-content: center; }
.anuncio:empty { min-height: 0; margin: 0; }
.anuncio .etiqueta { display: block; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--texto-suave); text-align: center; }

/* preguntas */
details {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 4px 16px;
  margin-bottom: 10px;
}
summary { cursor: pointer; font-weight: 700; padding: 12px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 22px; line-height: 1; color: var(--azul); }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 14px; color: var(--texto-suave); }

/* página de puente */
.migas { font-size: 14px; margin-bottom: 8px; }
.migas a { color: #fff; opacity: .9; }
.tabla { width: 100%; border-collapse: collapse; background: var(--tarjeta); border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra); }
.tabla th, .tabla td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--borde); font-size: 15px; }
.tabla th { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--texto-suave); }
.tabla td.num { font-weight: 700; font-variant-numeric: tabular-nums; }
.tabla tr:last-child td { border-bottom: 0; }
.datos { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.dato { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 14px; padding: 14px 16px; }
.dato span { display: block; font-size: 13px; color: var(--texto-suave); }
.dato b { font-size: 17px; }
.texto { max-width: 760px; }
.texto h2 { margin-top: 28px; }

/* pie */
.pie { background: var(--tarjeta); border-top: 1px solid var(--borde); padding: 28px 0 36px; font-size: 14px; color: var(--texto-suave); margin-top: 24px; }
.pie .columnas { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.pie h3 { font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--texto); margin: 0 0 8px; }
.pie ul { list-style: none; padding: 0; margin: 0; }
.pie li { margin: 4px 0; }
.aviso-legal { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--borde); font-size: 13px; }

.badges { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.badges a { display: inline-block; line-height: 0; border-radius: 8px; }
.badges a:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.badges img { display: block; width: auto; }
.badge-apple { height: 48px; }
.badge-google { height: 63px; }
@media (max-width: 480px) {
  .badge-apple { height: 42px; }
  .badge-google { height: 55px; }
}

/* ── selector de idioma ── */
.menu a.idioma {
  border: 1px solid rgba(255,255,255,.45);
  font-size: 14px;
  padding: 6px 12px;
}
.menu a.idioma:hover { background: rgba(255,255,255,.22); }

/* ── cámaras en vivo ── */
.camaras {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  margin-bottom: 12px;
}
.camaras.una { grid-template-columns: 1fr; max-width: 720px; margin-top: 10px; }
.camara {
  margin: 0;
  position: relative;
  border-radius: var(--radio);
  overflow: hidden;
  background: #0c1219;
  border: 1px solid var(--borde);
  box-shadow: var(--sombra);
  aspect-ratio: 16 / 9;
}
.camara-boton {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: #0c1219;
  cursor: pointer;
  position: relative;
  text-align: left;
  font: inherit;
  color: #fff;
}
.camara-boton img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .82;
  transition: opacity .15s ease, transform .3s ease;
}
.camara-boton:hover img, .camara-boton:focus-visible img { opacity: 1; transform: scale(1.02); }
.camara-boton:focus-visible { outline: 3px solid var(--azul-claro); outline-offset: -3px; }
.camara-play {
  position: absolute;
  left: 50%; top: 50%;
  width: 62px; height: 62px;
  margin: -31px 0 0 -31px;
  border-radius: 50%;
  background: rgba(12, 18, 25, .72);
  border: 2px solid rgba(255,255,255,.9);
}
.camara-play::after {
  content: "";
  position: absolute;
  left: 23px; top: 18px;
  border-left: 20px solid #fff;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
}
.camara-vivo {
  position: absolute;
  top: 10px; left: 10px;
  background: var(--rojo);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  padding: 3px 8px;
  border-radius: 999px;
}
.camara-nombre {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 24px 12px 10px;
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.75));
}
.camara-nombre small { font-weight: 500; opacity: .85; margin-left: 6px; }
.camara.encendida { aspect-ratio: 16 / 9; }
.camara iframe { width: 100%; height: 100%; border: 0; display: block; }
.nota-camaras { color: var(--texto-suave); font-size: 15px; margin: 6px 0 0; }