:root { --fondo: #f5f7fb; --texto: #0f172a; --suave: #64748b; --borde: #e2e8f0; --azul: #2563eb; --navy: #1e1b4b; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--fondo); color: var(--texto); font: 16px/1.6 Poppins, system-ui, sans-serif; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3 { line-height: 1.2; margin: 0; }

.barra { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center;
  padding: 14px max(16px, calc((100% - 1160px) / 2)); background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--borde); }
.marca { font-weight: 800; font-size: 19px; color: var(--navy); }
.btn-chico { font-weight: 600; font-size: 14px; padding: 8px 16px; border-radius: 99px; background: #eef2ff; color: var(--navy); }
.btn { display: inline-block; margin-top: 26px; padding: 14px 26px; border-radius: 14px; background: var(--azul); color: #fff;
  font-weight: 700; box-shadow: 0 10px 24px rgba(37,99,235,.3); transition: transform .15s; }
.btn:hover { transform: translateY(-2px); }
.etiqueta { display: inline-block; font-size: 13px; font-weight: 700; padding: 5px 12px; border-radius: 99px;
  background: #e0e7ff; color: #3730a3; margin-bottom: 14px; }

.hero { max-width: 1160px; margin: 0 auto; padding: 56px 16px 30px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: center; }
.hero h1 { font-size: clamp(32px, 5vw, 50px); font-weight: 800; color: var(--navy); }
.hero p { color: var(--suave); font-size: 18px; margin: 16px 0 0; }
.hero-img img { border-radius: 24px; box-shadow: 0 30px 60px rgba(15,23,42,.22); transform: rotate(1.5deg); }
.datos { display: flex; gap: 14px; margin-top: 24px; flex-wrap: wrap; }
.datos div { background: #fff; border: 1px solid var(--borde); border-radius: 14px; padding: 10px 18px; }
.datos b { display: block; font-size: 22px; color: var(--navy); }
.datos span { font-size: 13px; color: var(--suave); }

.ruta, .capitulos, .fases { max-width: 1160px; margin: 0 auto; padding: 30px 16px; }
.ruta h2, .capitulos h2, .fases h2 { font-size: 28px; color: var(--navy); margin-bottom: 22px; }
.pasos { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--borde); border-radius: 20px; padding: 22px; overflow-x: auto; }
.pasos div { flex: none; text-align: center; font-size: 30px; }
.pasos span { display: block; font-size: 13px; font-weight: 600; color: var(--suave); }
.pasos i { flex: 1; min-width: 18px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, #c7d2fe, #fbbf24); }

.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; }
.tarjeta { background: #fff; border: 1px solid var(--borde); border-radius: 20px; overflow: hidden; display: flex; flex-direction: column;
  transition: transform .18s, box-shadow .18s; }
.tarjeta:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(15,23,42,.12); }
.tarjeta .foto { position: relative; aspect-ratio: 16/9; background: #e2e8f0; }
.tarjeta .foto img { width: 100%; height: 100%; object-fit: cover; }
.tarjeta .num { position: absolute; left: 14px; top: 14px; width: 38px; height: 38px; border-radius: 12px; background: #fff;
  display: grid; place-items: center; font-weight: 800; color: var(--navy); box-shadow: 0 4px 12px rgba(0,0,0,.2); }
.tarjeta .cuerpo { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.tarjeta h3 { font-size: 19px; color: var(--navy); }
.tarjeta p { color: var(--suave); font-size: 14.5px; margin: 8px 0 14px; flex: 1; }
.meta { display: flex; justify-content: space-between; font-size: 13px; font-weight: 600; color: #4338ca; }

.cap-cabeza { background: linear-gradient(135deg, var(--c1), var(--c2)); color: #fff;
  padding: 44px max(16px, calc((100% - 1160px) / 2)); display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; }
.cap-cabeza h1 { font-size: clamp(28px, 4.4vw, 44px); font-weight: 800; }
.cap-cabeza p { opacity: .9; font-size: 17px; margin: 14px 0 0; }
.cap-cabeza .etiqueta { background: rgba(255,255,255,.2); color: #fff; }
.volver { display: block; font-size: 14px; opacity: .85; margin-bottom: 18px; }
.cap-media img, .video { border-radius: 20px; box-shadow: 0 24px 50px rgba(0,0,0,.3); overflow: hidden; }
.video { position: relative; aspect-ratio: 16/9; background: #000; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.fases ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.fases li { display: flex; gap: 18px; background: #fff; border: 1px solid var(--borde); border-radius: 18px; padding: 20px 22px; border-left: 5px solid var(--c1); }
.fnum { flex: none; font-weight: 800; font-size: 18px; color: var(--c1); min-width: 42px; }
.fases h3 { font-size: 18px; color: var(--navy); }
.fases p { margin: 6px 0 0; color: var(--suave); }
.navcap { display: flex; justify-content: space-between; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.navcap a { padding: 12px 18px; border-radius: 14px; background: #fff; border: 1px solid var(--borde); font-weight: 600; font-size: 14.5px; }
.navcap .sig { background: var(--azul); color: #fff; border-color: var(--azul); margin-left: auto; }

.mini .lista { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.mini .lista a { background: #fff; border: 1px solid var(--borde); border-radius: 12px; padding: 10px 14px; font-size: 14.5px; }
.mini .lista a b { color: var(--azul); margin-right: 6px; }
.mini .lista a.act { border-color: var(--azul); background: #eef2ff; }

.pie { text-align: center; color: var(--suave); font-size: 14px; padding: 40px 16px; }

@media (max-width: 820px) {
  .hero, .cap-cabeza { grid-template-columns: 1fr; }
  .hero { padding-top: 32px; }
  .hero-img { order: -1; }
  .rejilla { grid-template-columns: 1fr; }
  .fases li { flex-direction: column; gap: 6px; }
}