:root {
  --tinta: #1a2a6c;
  --rojo: #e63b2e;
  --amarillo: #ffc93c;
  --verde: #2f9e6e;
  --papel: #ffffff;
  --gris: #eef0f6;
  --letra: "Bricolage Grotesque", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--letra); font-size: 1.0625rem; line-height: 1.55; color: var(--tinta); background: var(--papel); }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--rojo); outline-offset: 3px; }
.wrap { width: min(1180px, 100% - 2.5rem); margin-inline: auto; }

.top { border-bottom: 3px solid var(--tinta); background: var(--papel); position: sticky; top: 0; z-index: 10; }
.top .wrap { display: flex; justify-content: space-between; align-items: center; height: 70px; gap: 1rem; }
.logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; font-weight: 800; font-size: 1.45rem; letter-spacing: -0.02em; }
.logo svg { width: 36px; height: 36px; }
.nav { display: flex; gap: 1.5rem; align-items: center; }
.nav a { text-decoration: none; font-weight: 500; }
.nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer; text-decoration: none;
  font: 700 1rem/1 var(--letra); padding: 1rem 1.5rem; border: 3px solid var(--tinta);
  background: var(--amarillo); color: var(--tinta); border-radius: 0;
}
.btn:hover { background: var(--tinta); color: var(--papel); }
.nav .btn { padding: .7rem 1.1rem; }

section { padding: clamp(4rem, 8vw, 7rem) 0; }
h2 { font-weight: 800; font-size: clamp(2.2rem, 5vw, 3.8rem); line-height: 1; letter-spacing: -0.035em; margin: 0 0 1rem; }
.intro { max-width: 36rem; font-size: 1.15rem; margin: 0 0 3rem; }
@media (max-width: 800px) { .nav a:not(.btn) { display: none; } }

/* Portada */
.hero { padding-top: clamp(3rem, 6vw, 5rem); border-bottom: 3px solid var(--tinta); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { font-weight: 800; font-size: clamp(2.8rem, 6.4vw, 5.4rem); line-height: .95; letter-spacing: -0.045em; margin: 0 0 1.5rem; }
.hero-sub { font-size: 1.2rem; max-width: 32rem; margin: 0 0 2rem; }
.hero-acciones { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 3rem; }
.btn-linea { background: transparent; }
.datos { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; border-top: 3px solid var(--tinta); }
.datos div { padding: 1rem 1rem 0 0; }
.datos dt { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.datos dd { margin: .3rem 0 0; font-size: .95rem; }

.formas { display: grid; grid-template-columns: repeat(3, 1fr); border: 3px solid var(--tinta); }
.f {
  aspect-ratio: 1; position: relative; display: grid; place-items: center; overflow: hidden;
  border-right: 3px solid var(--tinta); border-bottom: 3px solid var(--tinta);
}
.f:nth-child(3n) { border-right: 0; }
.f:nth-child(n+4) { border-bottom: 0; }
.f b { position: absolute; left: .7rem; bottom: .5rem; font-size: .9rem; font-weight: 700; }
.f span { display: block; width: 68%; aspect-ratio: 1; animation: girar .9s cubic-bezier(.3,1.4,.5,1) both; }
.f1 { background: var(--amarillo); } .f1 span { background: var(--rojo); border-radius: 50%; }
.f2 { background: var(--papel); } .f2 span { background: var(--tinta); clip-path: polygon(50% 5%, 100% 95%, 0 95%); }
.f3 { background: var(--verde); } .f3 span { background: var(--amarillo); border-radius: 100% 0 0 0; width: 80%; }
.f4 { background: var(--tinta); color: var(--papel); } .f4 span { background: var(--amarillo); width: 55%; }
.f5 { background: var(--rojo); color: var(--papel); } .f5 span { background: var(--papel); border-radius: 999px 999px 0 0; aspect-ratio: 2 / 1; }
.f6 { background: var(--gris); } .f6 span { background: var(--verde); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.f2 span { animation-delay: .08s; } .f3 span { animation-delay: .16s; } .f4 span { animation-delay: .24s; }
.f5 span { animation-delay: .32s; } .f6 span { animation-delay: .4s; }
@keyframes girar { from { transform: rotate(-120deg) scale(0); } to { transform: none; } }
@media (prefers-reduced-motion: reduce) { .f span { animation: none; } }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

/* Horario */
.horario { background: var(--gris); }
.cursos { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 1.5rem; border: 3px solid var(--tinta); width: fit-content; background: var(--papel); }
.curso { font: 700 1rem/1 var(--letra); color: var(--tinta); background: transparent; border: 0; padding: .9rem 1.2rem; cursor: pointer; }
.curso + .curso { border-left: 3px solid var(--tinta); }
.curso[aria-pressed="true"] { background: var(--tinta); color: var(--papel); }
.horario-grid { display: grid; grid-template-columns: 1fr 300px; gap: 1.5rem; align-items: start; }
.tabla { display: grid; grid-template-columns: 4rem repeat(5, 1fr); background: var(--papel); border: 3px solid var(--tinta); overflow-x: auto; }
.tabla .cab, .tabla .hora { font-weight: 700; font-size: .9rem; padding: .7rem .5rem; }
.tabla .cab { border-bottom: 3px solid var(--tinta); text-align: center; }
.tabla .hora { border-right: 3px solid var(--tinta); }
.celda { min-height: 4.2rem; padding: 4px; border-bottom: 1px solid #d6daea; border-right: 1px solid #d6daea; }
.clase {
  width: 100%; height: 100%; min-height: 3.8rem; border: 0; cursor: pointer; text-align: left;
  font: 700 .9rem/1.15 var(--letra); padding: .5rem; color: var(--tinta); background: var(--c);
  display: flex; flex-direction: column; justify-content: space-between; gap: .3rem;
}
.clase small { font-weight: 500; font-size: .78rem; }
.clase.oscura { color: var(--papel); }
.clase[aria-pressed="true"] { outline: 3px solid var(--tinta); outline-offset: -3px; box-shadow: inset 0 0 0 6px var(--papel); }
.clase.llena { opacity: .45; }
.detalle { background: var(--papel); border: 3px solid var(--tinta); padding: 1.5rem; position: sticky; top: 90px; }
.detalle h3 { margin: 0 0 .75rem; font-size: 1.7rem; line-height: 1.05; letter-spacing: -0.03em; }
.detalle p { margin: 0 0 .5rem; }
.plazas { display: flex; gap: 5px; margin: 1rem 0 1.25rem; }
.plazas i { width: 1.6rem; height: 1.6rem; border-radius: 50%; border: 3px solid var(--tinta); }
.plazas i.ocupada { background: var(--tinta); }
.detalle-vacio { margin: 0; color: #56608a; }
@media (max-width: 900px) {
  .horario-grid { grid-template-columns: 1fr; }
  .tabla { grid-template-columns: 3.2rem repeat(5, minmax(5.5rem, 1fr)); }
  .detalle { position: static; }
}

/* Profes */
.lista-profes { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.avatar { display: block; width: 5rem; height: 5rem; background: var(--c); margin-bottom: 1rem; }
.lista-profes h3 { margin: 0 0 .4rem; font-size: 1.35rem; letter-spacing: -0.02em; }
.lista-profes p { margin: 0; }

/* Precios */
.precios { background: var(--tinta); color: var(--papel); }
.planes { display: grid; grid-template-columns: repeat(3, 1fr); border: 3px solid var(--papel); }
.plan { padding: 2rem; }
.plan + .plan { border-left: 3px solid var(--papel); }
.plan h3 { margin: 0 0 1rem; font-size: 1.3rem; }
.plan .precio { font-size: clamp(3rem, 6vw, 4.5rem); font-weight: 800; letter-spacing: -0.05em; line-height: 1; margin: 0 0 1rem; }
.plan p { margin: 0; }
.plan-destacado { background: var(--amarillo); color: var(--tinta); }

/* Prueba */
.prueba-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: start; }
.form, .hecho { border: 3px solid var(--tinta); padding: 2rem; box-shadow: 12px 12px 0 var(--rojo); background: var(--papel); }
.form label { display: block; font-weight: 700; margin: 0 0 .4rem; }
.form input, .form select {
  width: 100%; font: 1rem var(--letra); color: var(--tinta); padding: .8rem .9rem; margin-bottom: 1.1rem;
  border: 3px solid var(--tinta); border-radius: 0; background: var(--papel);
}
.form .btn { width: 100%; }
.aviso { color: var(--rojo); font-weight: 700; min-height: 1.4em; margin: 0 0 .6rem; }
.hecho { background: var(--verde); color: var(--papel); box-shadow: 12px 12px 0 var(--amarillo); }
.hecho-titulo { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; margin: 0 0 1rem; }
[hidden] { display: none !important; }

.pie { border-top: 3px solid var(--tinta); padding: 3rem 0; }
.pie-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; align-items: start; }
.pie-grid p { margin: 0; }
.pie-logo { font-size: 3rem; font-weight: 800; letter-spacing: -0.05em; line-height: 1; }

@media (max-width: 900px) {
  .lista-profes { grid-template-columns: 1fr 1fr; }
  .planes, .prueba-grid, .pie-grid { grid-template-columns: 1fr; }
  .plan + .plan { border-left: 0; border-top: 3px solid var(--papel); }
}