* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; }

:root, :root[data-tema="oscuro"] {
  color-scheme: dark;
  --estratosfera: #0a1124;
  --noche: #111b36;
  --linea: #31436f;
  --titanio: #c5d0e4;
  --hielo: #f4f7fc;
  --postcombustion: #ff7a2f;
  --post-texto: #1a0b02;
  --horizonte: #8ec8f5;
  --peligro: #ffb4ae;
  --ok: #9ddec0;
  --sombra: 0 16px 40px rgba(0, 0, 0, 0.28);
  --campo: #0d1730;
}
:root[data-tema="claro"] {
  color-scheme: light;
  --estratosfera: #f3f6fb;
  --noche: #ffffff;
  --linea: #8aa0c4;
  --titanio: #243556;
  --hielo: #10192e;
  --postcombustion: #e25e12;
  --post-texto: #1a0b02;
  --horizonte: #0b5f99;
  --peligro: #9d221c;
  --ok: #0d6b45;
  --sombra: 0 12px 28px rgba(16, 32, 64, 0.08);
  --campo: #fff;
}

body {
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(255, 122, 47, 0.16), transparent 55%),
    radial-gradient(800px 480px at 0% 20%, rgba(90, 169, 230, 0.14), transparent 50%),
    var(--estratosfera);
  color: var(--hielo);
  font-family: "Segoe UI", "Avenir Next", "Helvetica Neue", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.5;
}
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.02em; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
img, svg { max-width: 100%; }
.num { font-variant-numeric: tabular-nums; }
.sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.saltar {
  position: absolute; left: 12px; top: -48px; z-index: 50;
  background: var(--postcombustion); color: var(--post-texto); padding: 8px 12px; border-radius: 6px; font-weight: 700;
}
.saltar:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--horizonte); outline-offset: 2px; }
.aviso-js { margin: 5rem 1rem 1rem; padding: 12px; border: 1px solid var(--horizonte); border-radius: 8px; }
.wrap { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.section { padding: 4.5rem 0; }
.lede, .bajada { color: var(--titanio); max-width: 42rem; margin-top: 0.6rem; }
.kicker { color: var(--postcombustion); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.82rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  min-height: 48px; padding: 0 1.2rem; border: 0; border-radius: 6px;
  background: var(--postcombustion); color: var(--post-texto); font-weight: 800;
  text-decoration: none; cursor: pointer;
}
.btn:hover { filter: brightness(1.05); }
.btn--ghost { background: transparent; color: var(--hielo); box-shadow: inset 0 0 0 1px var(--linea); }
.btn--ghost:hover { background: var(--noche); }
.btn--peligro { background: #9d221c; color: #fff; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.nav {
  position: fixed; inset: 0 0 auto; z-index: 20;
  background: color-mix(in srgb, var(--estratosfera) 88%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--linea);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 1rem; }
.logo { display: flex; align-items: center; gap: 0.55rem; text-decoration: none; font-weight: 800; font-size: 1.3rem; }
.nav__menu { display: flex; align-items: center; gap: 1.4rem; }
.nav__menu ul { display: flex; gap: 1.2rem; list-style: none; margin: 0; padding: 0; }
.nav__menu a { text-decoration: none; color: var(--titanio); font-weight: 650; }
.nav__menu a:hover { color: var(--hielo); }
.nav__toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: var(--hielo); }

.hero { padding: 7.5rem 0 3rem; }
.headline__city { display: block; font-size: clamp(3.2rem, 8vw, 6.4rem); font-weight: 800; }
.headline__time { display: block; margin-top: 0.4rem; font-size: clamp(1.3rem, 2.4vw, 1.8rem); font-weight: 500; color: var(--titanio); }
.hud { display: grid; grid-template-columns: repeat(3, max-content); gap: 1.5rem 2.5rem; margin: 1.6rem 0 0; }
.hud dt { color: var(--titanio); font-size: 0.85rem; }
.hud dd { margin: 0.15rem 0 0; font-size: 1.35rem; font-weight: 750; }

.search, .filtros {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 0.9fr 0.8fr auto;
  gap: 0.8rem;
  align-items: end;
  padding: 1rem;
  background: color-mix(in srgb, var(--noche) 88%, transparent);
  border: 1px solid var(--linea);
  border-radius: 12px;
}
.filtros { grid-template-columns: minmax(220px, 1fr) 220px; margin-top: 1rem; }
.field label, .label { display: block; font-size: 0.88rem; font-weight: 700; margin-bottom: 0.35rem; }
.field input, .field select, .paso-pax input {
  width: 100%; min-height: 48px; border-radius: 8px; border: 1px solid var(--linea);
  background: var(--campo); color: var(--hielo); padding: 0 0.75rem;
}
.field input[aria-invalid="true"], .paso-pax input[aria-invalid="true"] { border-color: var(--peligro); }
.error { color: var(--peligro); font-weight: 700; font-size: 0.92rem; margin-top: 0.35rem; }
.search .error, .filtros { grid-column: 1 / -1; }
.stepper { display: flex; align-items: center; gap: 0.4rem; min-height: 48px; }
.stepper button {
  width: 40px; height: 40px; border-radius: 8px; border: 1px solid var(--linea);
  background: var(--campo); color: var(--hielo); cursor: pointer; font-weight: 800;
}
.stepper output { min-width: 1.5rem; text-align: center; font-weight: 800; }
.results { display: grid; gap: 0.7rem; margin-top: 1rem; }
.vuelo-card, .tarjeta {
  display: grid; grid-template-columns: 1fr auto; gap: 0.3rem 1rem; align-items: center;
  padding: 0.9rem 1rem; border: 1px solid var(--linea); border-radius: 12px; background: var(--noche);
}
.vuelo-card strong { font-size: 1.05rem; }
.radio-vuelo { display: flex; gap: 0.8rem; align-items: center; padding: 0.75rem; border: 1px solid var(--linea); border-radius: 10px; margin-bottom: 0.5rem; background: var(--noche); }
.radio-vuelo:has(input:checked) { box-shadow: inset 3px 0 0 var(--postcombustion); }

.ticker { overflow: hidden; border-block: 1px solid var(--linea); background: color-mix(in srgb, var(--estratosfera) 70%, transparent); }
.ticker__track { display: flex; width: max-content; animation: marquee 36s linear infinite; }
.ticker ul { display: flex; gap: 2.5rem; list-style: none; margin: 0; padding: 0.85rem 1.5rem; }
.ticker li { color: var(--titanio); white-space: nowrap; }
@keyframes marquee { to { transform: translateX(-50%); } }
.telemetria { padding: 1.2rem 0 0; }
.telemetria__lista { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.8rem; margin: 0; }
.telemetria__lista div { padding: 0.8rem 0.9rem; border: 1px solid var(--linea); border-radius: 10px; background: var(--noche); }
.telemetria__lista dt { color: var(--titanio); font-size: 0.8rem; }
.telemetria__lista dd { margin: 0.2rem 0 0; font-weight: 800; }

.routes { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 1rem; margin-top: 1.4rem; }
.tabla-wrap { overflow: auto; border: 1px solid var(--linea); border-radius: 12px; background: var(--noche); }
.tabla { width: 100%; border-collapse: collapse; min-width: 640px; }
.tabla th, .tabla td { text-align: left; padding: 0.75rem 0.85rem; border-bottom: 1px solid var(--linea); vertical-align: top; }
.tabla th { font-size: 0.88rem; }
.tabla tr.activa { box-shadow: inset 4px 0 0 var(--postcombustion); }
.route-btn { background: none; border: 0; color: inherit; font: inherit; font-weight: 750; cursor: pointer; text-align: left; padding: 0; }
.comparacion { border: 1px solid var(--linea); border-radius: 12px; padding: 1rem; background: var(--noche); }
.barra-tiempo { display: grid; grid-template-columns: 6.2rem 1fr auto; gap: 0.55rem; align-items: center; margin: 0.7rem 0; }
.riel { display: block; height: 10px; background: color-mix(in srgb, var(--linea) 70%, transparent); border-radius: 99px; overflow: hidden; }
.riel span { display: block; height: 100%; background: var(--postcombustion); width: 0; }
#barraComercial { background: var(--horizonte); }
.grafica { width: 100%; height: auto; margin: 0.8rem 0; display: block; }
.grafica text { fill: var(--titanio); font-size: 13px; font-family: inherit; }

.plano { border: 1px solid var(--linea); border-radius: 12px; background: var(--noche); margin-top: 1.2rem; padding: 0.5rem 0.5rem 0; }
.plano svg { width: 100%; height: auto; }
.pieza { fill: none; stroke: var(--horizonte); stroke-width: 1.6; }
.pieza.activa { stroke: var(--postcombustion); stroke-width: 3; fill: color-mix(in srgb, var(--postcombustion) 18%, transparent); }
.partes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem; margin-top: 0.8rem; }
.partes button {
  text-align: left; background: var(--noche); color: var(--hielo); border: 1px solid var(--linea);
  border-radius: 10px; padding: 0.75rem; cursor: pointer; font-weight: 800;
}
.partes button span { display: block; font-weight: 500; color: var(--titanio); margin-top: 0.2rem; }
.partes button[aria-selected="true"] { box-shadow: inset 0 -3px 0 var(--postcombustion); }
#panelParte { margin-top: 0.9rem; font-size: 1.15rem; }
.specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin: 1.2rem 0 0; }
.specs div { border-top: 2px solid var(--horizonte); padding-top: 0.6rem; }
.specs dt { color: var(--titanio); font-size: 0.88rem; }
.specs dd { margin: 0.25rem 0 0; font-weight: 800; }
.specs dd span { display: block; font-weight: 500; color: var(--titanio); font-size: 0.92rem; }

.cabina-intro { display: grid; grid-template-columns: 1fr 1.2fr; gap: 1.5rem; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; list-style: none; margin: 0; padding: 0; }
.features li { border-top: 2px solid var(--horizonte); padding-top: 0.6rem; }
.features p { color: var(--titanio); margin-top: 0.35rem; }
.mapa { margin-top: 1.2rem; overflow-x: auto; padding: 1rem; border: 1px solid var(--linea); border-radius: 48px 12px 12px 48px; background: var(--noche); }
.mapa__fila { display: grid; grid-template-columns: 1.4rem repeat(28, 28px); gap: 6px; align-items: center; margin-bottom: 8px; min-width: 900px; }
.asiento {
  width: 28px; height: 28px; border-radius: 7px 7px 4px 4px; border: 1px solid var(--horizonte);
  background: transparent; color: var(--hielo); cursor: pointer; padding: 0;
}
.asiento[aria-pressed="true"] { background: var(--postcombustion); border-color: var(--postcombustion); }
.asiento:disabled, .asiento.ocupado { background: #5c6780; border-color: #5c6780; cursor: not-allowed; }
:root[data-tema="claro"] .asiento:disabled, :root[data-tema="claro"] .asiento.ocupado { background: #8b97ad; border-color: #6d7b96; }
.estado { margin-top: 0.7rem; font-weight: 700; }
.leyenda-asientos { color: var(--titanio); display: flex; gap: 0.8rem; align-items: center; margin-top: 0.5rem; }
.m { width: 14px; height: 14px; border-radius: 4px; display: inline-block; border: 1px solid var(--horizonte); }
.m.elegido { background: var(--postcombustion); border-color: var(--postcombustion); }
.m.ocupado { background: #5c6780; border-color: #5c6780; }
#btnCabinaReservar { margin-top: 0.8rem; }

.pasos { display: flex; gap: 0.45rem; list-style: none; padding: 0; margin: 1rem 0 0.5rem; flex-wrap: wrap; }
.pasos button {
  background: var(--noche); color: var(--hielo); border: 1px solid var(--linea); border-radius: 999px;
  min-height: 40px; padding: 0 0.8rem; cursor: pointer; font-weight: 700;
}
.pasos button[aria-current="step"] { background: var(--postcombustion); color: var(--post-texto); border-color: var(--postcombustion); }
.avance { height: 8px; background: var(--linea); border-radius: 99px; overflow: hidden; margin-bottom: 1rem; }
.avance span { display: block; height: 100%; background: var(--postcombustion); width: 0; }
.reserva-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 1rem; align-items: start; }
.resumen { position: sticky; top: 88px; border: 1px solid var(--linea); border-radius: 12px; padding: 1rem; background: var(--noche); }
.resumen dl { margin: 0.8rem 0; }
.resumen div { display: grid; grid-template-columns: 6.2rem 1fr; gap: 0.4rem; padding: 0.35rem 0; border-bottom: 1px solid var(--linea); }
.resumen dt { color: var(--titanio); }
.resumen dd { margin: 0; font-weight: 700; }
.paso-pax { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem; border: 1px solid var(--linea); border-radius: 12px; padding: 0.8rem; margin: 0.7rem 0; background: var(--noche); }
.paso-pax legend { grid-column: 1 / -1; }
.radio-vuelo .bajada, .vuelo-card .bajada { display: block; }
.paso-pax legend { font-weight: 800; padding: 0 0.3rem; }
.rejilla-form { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.check { display: flex; gap: 0.55rem; align-items: center; margin: 0.8rem 0; font-weight: 700; }
.stepper-linea { margin: 0.8rem 0; }
.pie-pasos { display: flex; gap: 0.6rem; margin-top: 1rem; }
.pase {
  margin-top: 0.5rem; display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 1rem;
  padding: 1.1rem; border-radius: 14px; border: 1px solid var(--linea); border-left: 6px solid var(--postcombustion);
  background: var(--noche);
}
.pase h3 { font-size: 1.6rem; margin: 0.3rem 0; }
.pase__datos { margin: 0; display: grid; gap: 0.45rem; }
.pase__datos div { display: flex; justify-content: space-between; gap: 0.6rem; }
.pase__datos dt { color: var(--titanio); }
.pase__datos dd { margin: 0; font-weight: 800; font-size: 1.15rem; }
.insignia { display: inline-block; padding: 0.1rem 0.45rem; border-radius: 999px; font-size: 0.82rem; font-weight: 800; }
.insignia.confirmada { background: color-mix(in srgb, var(--ok) 25%, var(--noche)); color: var(--ok); }
.insignia.cancelada { background: color-mix(in srgb, var(--peligro) 18%, var(--noche)); color: var(--peligro); }
.acciones { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.btn.chico { min-height: 36px; padding: 0 0.6rem; font-size: 0.88rem; }
.encabezado { display: flex; justify-content: space-between; gap: 1rem; align-items: end; flex-wrap: wrap; }

.cta { padding: 5rem 0 4rem; }
.cta h2 { font-size: clamp(2rem, 5vw, 3.4rem); max-width: 14ch; }
.cta .btn { margin-top: 1.2rem; }
.footer { border-top: 1px solid var(--linea); padding: 1.4rem 0 2rem; }
.footer__inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: center; }
.footer__brand { font-weight: 800; font-size: 1.2rem; }
.footer ul { display: flex; gap: 1rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.footer a { color: var(--titanio); text-decoration: none; }
.footer__note { color: var(--titanio); }

dialog { border: 1px solid var(--linea); border-radius: 14px; background: var(--noche); color: var(--hielo); width: min(720px, calc(100% - 1.5rem)); max-height: min(90vh, 860px); }
dialog::backdrop { background: rgba(6, 10, 22, 0.72); }
.dialogo { padding: 1.2rem; }
.dialogo-pie { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 0.9rem; flex-wrap: wrap; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 40; max-width: min(360px, calc(100% - 2rem)); }
.toast { background: var(--hielo); color: var(--estratosfera); padding: 0.75rem 0.9rem; border-radius: 10px; border-left: 5px solid var(--postcombustion); box-shadow: var(--sombra); font-weight: 700; }
.toast.error { border-left-color: var(--peligro); }

@media (max-width: 980px) {
  .search, .routes, .cabina-intro, .reserva-layout, .specs, .partes, .telemetria__lista, .features, .hud, .pase { grid-template-columns: 1fr; }
  .resumen { position: static; }
  .nav__toggle { display: grid; place-items: center; }
  .nav__menu { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; padding: 0.8rem 1rem 1.2rem; background: var(--estratosfera); box-shadow: 0 1px 0 var(--linea); }
  .nav__menu.abierto { display: flex; }
  .nav__menu ul { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker__track { animation: none; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}