/* Iatogon · estilos del sitio */
@font-face { font-family: "Bricolage"; src: url("../fonts/bricolage.woff") format("woff"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "Instrument"; src: url("../fonts/instrument-sans.woff") format("woff"); font-weight: 400 700; font-display: swap; }

:root {
  --tinta: #0B1F3A; --tinta-2: #12305A; --flujo: #2F7DF6; --flujo-claro: #E7F0FE;
  --chispa: #FFB23E; --chispa-hover: #FFC261; --hielo: #F4F7FB; --menta: #1FB57A; --niebla: #D6DEEA;
  --texto: #1A2B45; --suave: #56698A; --blanco: #FFFFFF; --rojo: #D23F47;
  --max: 1120px; --r-sm: 10px; --r-md: 16px; --r-lg: 28px;
  --display: "Bricolage", "Instrument", system-ui, sans-serif;
  --body: "Instrument", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body { font-family: var(--body); color: var(--texto); background: var(--blanco); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, video, svg { max-width: 100%; display: block; }
a { color: var(--flujo); text-underline-offset: 3px; }
a:hover { color: var(--tinta); }
:focus-visible { outline: 3px solid var(--chispa); outline-offset: 3px; border-radius: 4px; }
.wrap { width: min(var(--max), 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--chispa); color: var(--tinta); padding: 8px 14px; border-radius: 8px; z-index: 99; }
.skip:focus { left: 8px; }

/* Tipografía */
h1, h2, h3, .display { font-family: var(--display); color: var(--tinta); letter-spacing: -0.02em; line-height: 1.05; font-variation-settings: "opsz" 96; }
h1 { font-size: clamp(2.6rem, 6.4vw, 5.2rem); font-weight: 800; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); font-weight: 800; }
h3 { font-size: 1.3rem; font-weight: 700; line-height: 1.2; font-variation-settings: "opsz" 24; }
p { max-width: 68ch; }
.lead { font-size: clamp(1.1rem, 1.7vw, 1.3rem); color: var(--suave); }
.on-dark .lead, .on-dark p { color: #C3D1E6; }
.on-dark h1, .on-dark h2, .on-dark h3 { color: var(--blanco); }

/* Botones */
.btn { display: inline-flex; align-items: center; gap: 10px; font-family: var(--body); font-weight: 700; font-size: 1rem;
  padding: 15px 24px; border-radius: 999px; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background .15s, transform .15s; }
.btn-chispa { background: var(--chispa); color: var(--tinta); }
.btn-chispa:hover { background: var(--chispa-hover); color: var(--tinta); transform: translateY(-1px); }
.btn-linea { border-color: rgba(255,255,255,.35); color: var(--blanco); }
.btn-linea:hover { border-color: var(--blanco); color: var(--blanco); }
.btn-tinta { background: var(--tinta); color: var(--blanco); }
.btn-tinta:hover { background: var(--tinta-2); color: var(--blanco); }
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* Encabezado */
.top { position: sticky; top: 0; z-index: 50; background: rgba(11,31,58,.94); backdrop-filter: blur(10px); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.top .logo img { height: 30px; width: auto; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: #C3D1E6; text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--blanco); }
.nav .btn { padding: 10px 18px; font-size: .92rem; }
.nav a.btn-chispa, .nav a.btn-chispa:hover { color: var(--tinta); }
.menu-btn { display: none; background: none; border: 0; color: var(--blanco); font: 700 1rem var(--body); padding: 8px; cursor: pointer; }
@media (max-width: 860px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--tinta); flex-direction: column; align-items: flex-start; padding: 18px 20px 26px; gap: 16px; }
  .nav.open { display: flex; }
}

/* Hero */
.hero { background: var(--tinta); position: relative; overflow: hidden; padding: 96px 0 0; }
.hero::before { content: ""; position: absolute; width: 820px; height: 820px; right: -260px; top: -380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(47,125,246,.42), transparent 62%); pointer-events: none; }
.hero .wrap { position: relative; }
.hero h1 { max-width: 11ch; }
.hero .lead { margin-top: 22px; max-width: 44ch; }

/* La línea de flujo: el elemento memorable */
.flujo { position: relative; margin-top: 76px; padding: 34px 0 54px; }
.flujo ol { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); position: relative; }
.flujo ol::before { content: ""; position: absolute; left: 6%; right: 6%; top: 27px; height: 3px;
  background: linear-gradient(90deg, rgba(47,125,246,.25), var(--flujo), rgba(47,125,246,.25)); }
.flujo li { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; }
.flujo .paso { background: #102949; border: 1.5px solid rgba(255,255,255,.18); color: var(--blanco); font-weight: 700;
  border-radius: 14px; padding: 13px 18px; font-size: .98rem; position: relative; z-index: 1; transition: border-color .3s, color .3s; }
.flujo .tx { font-size: .82rem; color: #8FA5C6; font-weight: 600; letter-spacing: .02em; }
.flujo .ia { font-size: .86rem; color: #C3D1E6; max-width: 22ch; min-height: 2.8em; }
.flujo .chispa { position: absolute; top: 2px; left: calc(12.5% - 13px); width: 26px; height: 26px; z-index: 2; animation: viaje 9s cubic-bezier(.6,0,.3,1) infinite; }
.flujo li.activo .paso { border-color: var(--chispa); color: var(--chispa); }
@keyframes viaje { 0%, 18% { left: calc(12.5% - 13px); } 25%, 43% { left: calc(37.5% - 13px); } 50%, 68% { left: calc(62.5% - 13px); } 75%, 96% { left: calc(87.5% - 13px); opacity: 1; } 100% { left: calc(87.5% - 13px); opacity: 0; } }
@media (max-width: 720px) {
  .flujo ol { grid-template-columns: 1fr; gap: 18px; }
  .flujo ol::before { left: 27px; right: auto; top: 10px; bottom: 10px; width: 3px; height: auto; }
  .flujo li { flex-direction: row; text-align: left; align-items: center; }
  .flujo .chispa { display: none; }
  .flujo .ia { min-height: 0; }
}

/* Secciones */
section { padding: 96px 0; }
.sec-hielo { background: var(--hielo); }
.sec-tinta { background: var(--tinta); }
.sec-head { max-width: 760px; margin-bottom: 44px; }
.sec-head p { margin-top: 14px; }

/* Bloque problema/solución: antes y después */
.antes-despues { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--niebla); border-radius: var(--r-lg); overflow: hidden; }
.antes-despues > div { padding: 34px 36px; }
.antes-despues .despues { background: var(--tinta); color: var(--blanco); }
.antes-despues h3 { margin-bottom: 14px; }
.antes-despues .despues h3 { color: var(--chispa); }
.antes-despues ul { list-style: none; display: grid; gap: 12px; }
.antes-despues li { padding-left: 26px; position: relative; }
.antes-despues .antes li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 2px; background: var(--suave); }
.antes-despues .despues li::before { content: ""; position: absolute; left: 0; top: .35em; width: 12px; height: 12px;
  background: var(--chispa); clip-path: polygon(50% 0, 64% 36%, 100% 50%, 64% 64%, 50% 100%, 36% 64%, 0 50%, 36% 36%); }
@media (max-width: 760px) { .antes-despues { grid-template-columns: 1fr; } }

/* Pasos (secuencia real) */
.pasos { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; counter-reset: p; }
.pasos li { counter-increment: p; border-top: 3px solid var(--tinta); padding-top: 18px; }
.pasos li::before { content: counter(p); font-family: var(--display); font-weight: 800; font-size: 2.6rem; color: var(--flujo); line-height: 1; display: block; margin-bottom: 10px; }
.pasos p { color: var(--suave); margin-top: 8px; }
@media (max-width: 760px) { .pasos { grid-template-columns: 1fr; } }

/* Catálogo de cursos como filas */
.catalogo { border-top: 1px solid var(--niebla); }
.curso-fila { display: grid; grid-template-columns: 140px 1fr auto; gap: 28px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--niebla); }
.curso-fila .mod { font-family: var(--display); font-weight: 800; font-size: 2rem; color: var(--tinta); }
.curso-fila.pronto .mod, .curso-fila.pronto h3 { color: #93A3BC; }
.curso-fila p { color: var(--suave); margin-top: 4px; font-size: .97rem; }
.etiqueta { display: inline-block; font-size: .8rem; font-weight: 700; border-radius: 999px; padding: 5px 12px; white-space: nowrap; }
.etiqueta.ya { background: #E1F6EC; color: #137A50; }
.etiqueta.pronto { background: var(--hielo); color: var(--suave); }
@media (max-width: 680px) { .curso-fila { grid-template-columns: 1fr; gap: 6px; } }

/* Captura de correo */
.captura { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.captura img { border-radius: var(--r-md); box-shadow: 0 30px 60px -30px rgba(11,31,58,.5); transform: rotate(-2deg); background: #fff; }
form.suscribir { display: grid; gap: 12px; margin-top: 24px; max-width: 480px; }
form.suscribir label { font-weight: 600; font-size: .92rem; }
form.suscribir input[type=email], form.suscribir input[type=text] { font: inherit; padding: 14px 16px; border-radius: var(--r-sm); border: 1.5px solid var(--niebla); background: #fff; color: var(--texto); }
form.suscribir input:focus { border-color: var(--flujo); outline: none; box-shadow: 0 0 0 3px var(--flujo-claro); }
.on-dark form.suscribir label { color: #DCE5F2; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; color: var(--suave); }
.on-dark .consent { color: #A9B8D0; }
.consent input { margin-top: 4px; accent-color: var(--chispa); }
.hp { position: absolute; left: -5000px; }
@media (max-width: 860px) { .captura { grid-template-columns: 1fr; } }

/* Preguntas frecuentes */
.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--niebla); padding: 20px 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 1.08rem; color: var(--tinta); list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--display); font-size: 1.5rem; line-height: 1; color: var(--flujo); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 10px; color: var(--suave); }

/* Página de venta */
.venta-hero { background: var(--tinta); padding: 80px 0 90px; position: relative; overflow: hidden; }
.venta-hero::before { content: ""; position: absolute; width: 700px; height: 700px; left: -300px; bottom: -420px; border-radius: 50%; background: radial-gradient(circle, rgba(255,178,62,.18), transparent 60%); }
.venta-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; position: relative; }
.venta-grid video, .video-box { width: 100%; border-radius: var(--r-md); box-shadow: 0 40px 80px -40px rgba(0,0,0,.7); background: #000; aspect-ratio: 16/9; }
.datos { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 26px; color: #C3D1E6; font-weight: 600; font-size: .95rem; list-style: none; }
.datos li::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--chispa); margin-right: 8px; vertical-align: middle; }
@media (max-width: 900px) { .venta-grid { grid-template-columns: 1fr; } }

.temario { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 48px; }
.modulo { padding: 24px 0; border-top: 2px solid var(--tinta); }
.modulo h3 { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.modulo h3 small { font-family: var(--body); font-size: .85rem; color: var(--suave); font-weight: 600; letter-spacing: 0; }
.modulo ol { margin: 12px 0 0 20px; color: var(--texto); display: grid; gap: 6px; }
.modulo li span { color: var(--suave); font-size: .92rem; display: block; }
.modulo li span.gratis, .gratis { display: inline-block; background: #E1F6EC; color: #137A50; font-size: .75rem; font-weight: 700; border-radius: 999px; padding: 2px 9px; margin-left: 6px; vertical-align: 2px; }
@media (max-width: 760px) { .temario { grid-template-columns: 1fr; } }

.incluye { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 40px; }
.incluye li { padding-left: 30px; position: relative; }
.incluye li::before { content: ""; position: absolute; left: 0; top: .3em; width: 16px; height: 16px; background: var(--chispa);
  clip-path: polygon(50% 0, 64% 36%, 100% 50%, 64% 64%, 50% 100%, 36% 64%, 0 50%, 36% 36%); }
.incluye b { display: block; color: var(--tinta); }
.incluye span { color: var(--suave); font-size: .95rem; }
@media (max-width: 860px) { .incluye { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .incluye { grid-template-columns: 1fr; } }

.precio { display: grid; grid-template-columns: 1.2fr 1fr; gap: 0; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--niebla); }
.precio > div { padding: 44px; }
.precio .lado-tinta { background: var(--tinta); color: var(--blanco); }
.precio .monto { font-family: var(--display); font-weight: 800; font-size: 4.2rem; line-height: 1; color: var(--blanco); letter-spacing: -0.03em; }
.precio .monto small { font-size: 1.1rem; font-family: var(--body); font-weight: 600; color: #C3D1E6; letter-spacing: 0; }
.precio .antes { color: #8FA5C6; text-decoration: line-through; margin-top: 8px; }
.precio .garantia h3 { margin-bottom: 10px; }
@media (max-width: 820px) { .precio { grid-template-columns: 1fr; } .precio > div { padding: 32px 26px; } }

/* Lección gratis */
.descargas { list-style: none; display: grid; gap: 12px; margin-top: 22px; }
.descargas a { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 22px; border: 1px solid var(--niebla);
  border-radius: var(--r-md); text-decoration: none; color: var(--tinta); font-weight: 700; background: #fff; }
.descargas a:hover { border-color: var(--flujo); }
.descargas small { color: var(--suave); font-weight: 600; }

/* Blog */
.articulos { display: grid; gap: 0; border-top: 1px solid var(--niebla); }
.articulo-fila { display: grid; grid-template-columns: 1fr auto; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--niebla); text-decoration: none; color: inherit; }
.articulo-fila h3 { color: var(--tinta); }
.articulo-fila:hover h3 { color: var(--flujo); }
.articulo-fila p { color: var(--suave); margin-top: 6px; }
.articulo-fila .min { color: var(--suave); font-size: .9rem; font-weight: 600; white-space: nowrap; }
.prosa { max-width: 720px; }
.prosa h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); }
.prosa h2 { font-size: 1.7rem; margin: 46px 0 12px; }
.prosa h3 { margin: 28px 0 8px; }
.prosa p, .prosa ul, .prosa ol { margin-top: 16px; }
.prosa ul, .prosa ol { padding-left: 22px; display: grid; gap: 8px; }
.prosa table { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: .95rem; }
.prosa th { text-align: left; background: var(--tinta); color: #fff; padding: 10px 12px; }
.prosa td { border-bottom: 1px solid var(--niebla); padding: 9px 12px; }
.prosa blockquote { margin-top: 20px; border-left: 4px solid var(--chispa); padding: 6px 0 6px 18px; color: var(--tinta); font-weight: 600; }
.prosa pre { margin-top: 18px; background: var(--tinta); color: #E3ECF8; border-radius: var(--r-md); padding: 20px 22px; white-space: pre-wrap; font-size: .92rem; line-height: 1.55; border-left: 5px solid var(--chispa); }
.meta { color: var(--suave); font-size: .95rem; margin-top: 14px; }
.cta-caja { margin-top: 48px; background: var(--hielo); border-radius: var(--r-lg); padding: 34px; }
.cta-caja h3 { margin-bottom: 8px; }

/* Pie */
footer { background: var(--tinta); color: #A9B8D0; padding: 64px 0 40px; font-size: .92rem; }
footer .cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
footer img { height: 28px; width: auto; margin-bottom: 16px; }
footer h4 { color: var(--blanco); font-size: .95rem; margin-bottom: 12px; }
footer ul { list-style: none; display: grid; gap: 8px; }
footer a { color: #C3D1E6; text-decoration: none; }
footer a:hover { color: var(--blanco); }
footer .legal { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px; font-size: .82rem; color: #8FA5C6; display: grid; gap: 6px; }
@media (max-width: 760px) { footer .cols { grid-template-columns: 1fr; } }

.aviso-config { background: #FFF4D6; color: #6B4A00; font-size: .9rem; padding: 10px 14px; border-radius: 10px; margin-top: 14px; display: none; }
.sin-config .aviso-config { display: block; }