/* T-Guia · sitio t-guia.com.ar · siempre en modo oscuro */
:root {
  color-scheme: dark;
  --fondo: #0b121b;
  --fondo-2: #0f1b2d;
  --tarjeta: #151f2b;
  --borde: #243243;
  --texto: #e8edf2;
  --suave: #a5b1be;
  --teal: #1d857e;
  --teal-claro: #7fd1c9;
  --amarillo: #f5c26b;
  --navy: #0f1b2d;
  --blanco: #ffffff;
}
* { box-sizing: border-box; }
html { background: var(--fondo); }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--texto); background: var(--fondo); line-height: 1.5; }
a { color: var(--teal-claro); }
img { max-width: 100%; }

.barra { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; max-width: 1080px; margin: 0 auto; }
.marca { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--texto); text-decoration: none; }
.marca img { border-radius: 8px; }
.barra nav a { color: var(--suave); text-decoration: none; margin-left: 18px; font-weight: 600; font-size: 15px; }
.barra nav a:hover { color: var(--texto); }

/* Portada */
.hero {
  background:
    radial-gradient(900px 500px at 85% 20%, rgba(29, 133, 126, 0.35), transparent 60%),
    var(--fondo-2);
  border-bottom: 1px solid var(--borde);
}
.hero-contenido { max-width: 1080px; margin: 0 auto; padding: 32px 20px 72px; display: grid; gap: 40px; grid-template-columns: 1.1fr 1fr; align-items: center; }
.hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.08; margin: 0 0 16px; letter-spacing: -0.02em; }
.hero h1 em { font-style: normal; color: var(--teal-claro); }
.hero p { font-size: 18px; color: var(--suave); margin: 0 0 28px; max-width: 34em; }
.botones { display: flex; flex-wrap: wrap; gap: 12px; }
.boton { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 22px; border-radius: 14px; font-weight: 700; text-decoration: none; font-size: 16px; }
.boton.principal { background: var(--teal); color: var(--blanco); }
.boton.principal:hover { background: #239a92; }
.boton.secundario { border: 1.5px solid var(--borde); color: var(--texto); background: rgba(255, 255, 255, 0.03); }
.boton.secundario:hover { border-color: var(--suave); }
.nota { font-size: 14px; color: var(--suave); margin-top: 16px; }

.muestra { position: relative; min-height: 340px; }
.pasaje { position: absolute; inset: 24px 0 auto 0; background: var(--blanco); color: var(--navy); border-radius: 22px; transform: rotate(-3deg); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5); overflow: hidden; }
.pasaje .arriba { padding: 18px 22px; }
.pasaje .etiqueta { font-size: 11px; font-weight: 700; letter-spacing: 0.12em; color: #556273; }
.ruta { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.codigo { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 36px; font-weight: 700; }
.ciudad { font-size: 13px; color: #556273; }
.datos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; border-top: 2px dashed #e1e6eb; padding: 14px 22px 18px; }
.datos b { display: block; font-size: 17px; }
.datos span { font-size: 10px; font-weight: 700; letter-spacing: 0.1em; color: #556273; }
.aviso { position: absolute; left: 24px; right: 24px; top: 262px; background: #1c2a3d; color: var(--blanco); border: 1px solid var(--borde); border-radius: 16px; padding: 12px 16px; box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5); }
.aviso small { color: #aeb8c4; display: block; font-size: 12px; }
.aviso strong { display: block; }
.aviso span { color: var(--amarillo); font-size: 13px; }

/* Secciones */
.seccion { max-width: 1080px; margin: 0 auto; padding: 72px 20px 24px; }
.seccion h2 { font-size: 30px; margin: 0 0 8px; letter-spacing: -0.01em; }
.seccion .bajada { color: var(--suave); margin: 0 0 28px; }
.pasos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.paso { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 20px; padding: 24px; }
.paso .numero { width: 36px; height: 36px; border-radius: 50%; background: var(--teal); color: var(--blanco); font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.paso h3 { margin: 0 0 8px; font-size: 18px; }
.paso p { margin: 0; color: var(--suave); }

/* Planes: se resaltan de a uno, en ronda (carrusel) */
.planes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.plan {
  position: relative;
  background: var(--tarjeta);
  border: 1.5px solid var(--borde);
  border-radius: 22px;
  padding: 26px 24px;
  opacity: 0.6;
  transform: scale(0.97);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
  cursor: pointer;
}
.plan.activo {
  opacity: 1;
  transform: scale(1.02);
  border-color: var(--teal-claro);
  box-shadow: 0 0 0 4px rgba(127, 209, 201, 0.12), 0 24px 50px rgba(0, 0, 0, 0.45);
}
.plan .etiqueta-plan { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: 0.1em; padding: 4px 10px; border-radius: 999px; margin-bottom: 12px; }
.plan[data-plan="free"] .etiqueta-plan { background: #2a3a4f; color: var(--texto); }
.plan[data-plan="premium"] .etiqueta-plan { background: var(--teal); color: var(--blanco); }
.plan[data-plan="max"] .etiqueta-plan { background: var(--amarillo); color: var(--navy); }
.plan h3 { margin: 0 0 4px; font-size: 22px; }
.plan .para { margin: 0; color: var(--suave); }
.plan ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.plan li { display: flex; gap: 10px; align-items: flex-start; }
.plan li::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 3px; border-radius: 50%; background: rgba(127, 209, 201, 0.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237FD1C9' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat; }
.puntos { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }
.puntos button { width: 10px; height: 10px; padding: 0; border-radius: 999px; border: 0; background: var(--borde); cursor: pointer; transition: width 0.4s ease, background 0.4s ease; }
.puntos button.activo { width: 28px; background: var(--teal-claro); }
.puntos button:focus-visible { outline: 2px solid var(--teal-claro); outline-offset: 3px; }

.pie { text-align: center; padding: 56px 20px 48px; color: var(--suave); font-size: 14px; }
.pie div { margin-top: 6px; }

/* Textos legales */
.texto { max-width: 760px; margin: 0 auto; padding: 8px 20px 40px; }
.texto h1 { font-size: 34px; margin: 8px 0 4px; }
.texto .fecha { color: var(--suave); font-size: 14px; margin: 0 0 20px; }
.texto .intro { font-size: 18px; }
.texto h2 { font-size: 20px; margin: 32px 0 8px; }
.texto p { color: var(--suave); }

@media (max-width: 820px) {
  .hero-contenido { grid-template-columns: 1fr; padding-bottom: 56px; }
  .muestra { min-height: 330px; }
  .pasos { grid-template-columns: 1fr; }
  .barra nav { display: none; }
  /* En el celular, los planes son un carrusel horizontal que avanza solo */
  .planes {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding: 8px 20px 12px;
    margin: 0 -20px;
  }
  .planes::-webkit-scrollbar { display: none; }
  .plan { flex: 0 0 84%; scroll-snap-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .plan, .puntos button { transition: none; }
}