:root {
  --fondo: #f6f7f9;
  --texto: #1b1f24;
  --suave: #5b6470;
  --primario: #0b6e4f;
  --primario-osc: #08533b;
  --borde: #dfe3e8;
  --error: #b42318;
  --radio: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--fondo); color: var(--texto); line-height: 1.5;
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; width: 100%; max-width: 1100px; margin: 0 auto; padding: 24px 16px; }
h1 { font-size: 1.6rem; margin: 0 0 16px; }
h2 { margin: 8px 0; }
h2 small { font-size: .9rem; color: var(--suave); font-weight: 400; }

.barra {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; background: #fff; border-bottom: 1px solid var(--borde);
}
.marca { font-weight: 800; font-size: 1.25rem; color: var(--primario); text-decoration: none; }
#barra-usuario { display: flex; gap: 12px; align-items: center; font-size: .9rem; color: var(--suave); }
#barra-usuario.oculto { display: none; }

.tarjeta { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 24px; }
.angosta { max-width: 420px; margin: 32px auto; }
.centro { text-align: center; }
.oculto { display: none !important; }

.tabs { display: flex; gap: 4px; margin-bottom: 16px; flex-wrap: wrap; }
.tab { flex: 1; padding: 8px; border: 1px solid var(--borde); background: #fff; border-radius: 8px; cursor: pointer; font-size: .85rem; }
.tab.activo { background: var(--primario); color: #fff; border-color: var(--primario); }

.form { display: flex; flex-direction: column; gap: 12px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; }
input { padding: 10px 12px; border: 1px solid var(--borde); border-radius: 8px; font-size: 1rem; }

.btn {
  padding: 10px 16px; border: 0; border-radius: 8px; background: var(--primario);
  color: #fff; font-weight: 600; cursor: pointer; font-size: 1rem;
}
.btn:hover { background: var(--primario-osc); }
.btn:disabled { opacity: .6; cursor: wait; }
.btn-sec { background: #fff; color: var(--primario); border: 1px solid var(--primario); font-size: .85rem; padding: 6px 12px; }
.btn-sec:hover { background: #eef6f2; }
.link { background: none; border: 0; color: var(--primario); cursor: pointer; text-decoration: underline; font-size: .85rem; }

.msg { min-height: 1.2em; color: var(--suave); }
.msg.error { color: var(--error); }
.nota { color: var(--suave); font-size: .9rem; }

.planes { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; max-width: 700px; margin: 0 auto; }
.plan { display: flex; flex-direction: column; gap: 8px; }
.plan .btn { margin-top: auto; }
.etiqueta { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--primario); font-weight: 700; }
.cupos { font-size: .9rem; }

#cotizador { margin-top: 12px; }
.pie { text-align: center; padding: 16px; color: var(--suave); font-size: .8rem; }

/* ---------- Cotizador ---------- */
select { padding: 10px 12px; border: 1px solid var(--borde); border-radius: 8px; font-size: 1rem; background: #fff; }
.cz-form { display: flex; flex-direction: column; gap: 14px; padding: 18px; }
.cz-form h2 { margin: 0; font-size: 1.2rem; }
.cz-form label { display: flex; flex-direction: column; gap: 4px; font-size: .88rem; }
.cz-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 640px) { .cz-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .cz-grid { grid-template-columns: repeat(3, 1fr); } }
.cz-cargas { border: 1px solid var(--borde); border-radius: 8px; padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.cz-cargas legend { font-size: .88rem; padding: 0 4px; }
.cz-carga { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; align-items: end; }
.cz-carga input, .cz-carga select { width: 100%; }
.cz-cargas > .btn-sec { align-self: flex-start; }
.cz-filtros summary { cursor: pointer; font-weight: 600; margin-bottom: 10px; }
.cz-form label.cz-check { flex-direction: row; align-items: center; gap: 8px; margin-top: 8px; }
.cz-boton { width: 100%; padding: 14px; font-size: 1.05rem; }
.cz-resumen { margin: 16px 0 8px; }
.cz-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.cz-kpis > div { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 10px; display: flex; flex-direction: column; }
.cz-kpis span { font-size: .75rem; color: var(--suave); }
.cz-kpis strong { font-size: 1.15rem; }
.cz-kpis small { font-size: .72rem; color: var(--suave); }
.cz-resultados { display: flex; flex-direction: column; gap: 10px; }
.cz-plan { padding: 14px; }
.cz-plan header { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; }
.cz-rank { width: 28px; height: 28px; border-radius: 50%; background: var(--primario); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .85rem; }
.cz-tit h3 { margin: 2px 0; font-size: 1rem; word-break: break-word; }
.cz-precio { grid-column: 1 / -1; display: flex; align-items: baseline; gap: 8px; }
.cz-precio strong { font-size: 1.35rem; }
.cz-precio small { color: var(--suave); }
@media (min-width: 640px) {
  .cz-plan header { grid-template-columns: auto 1fr auto; }
  .cz-precio { grid-column: auto; flex-direction: column; align-items: flex-end; gap: 0; }
}
.cz-dif { margin: 6px 0; font-weight: 600; font-size: .9rem; }
.cz-dif.sube { color: #9a3412; }
.cz-dif.baja { color: var(--primario); }
.cz-datos { list-style: none; padding: 0; margin: 8px 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
@media (min-width: 640px) { .cz-datos { grid-template-columns: repeat(4, 1fr); } }
.cz-datos li { background: var(--fondo); border-radius: 8px; padding: 6px 8px; display: flex; flex-direction: column; }
.cz-datos span { font-size: .72rem; color: var(--suave); }
.cz-datos b { font-size: .92rem; }
.cz-plan .nota { font-size: .8rem; margin: 6px 0; }
.cz-fuente { margin-top: 16px; font-size: .78rem; }
#cz-mas { margin-top: 12px; }