:root {
  --nav: #0b1636; --nav-2: #12224a; --nav-ink: #c7d3e8;
  --bg: #f4f7fb; --surface: #ffffff; --line: #d9e1ec; --ink: #0d1b2e; --mute: #5a6b82;
  --accent: #ff7a1a; --accent-2: #ffc078; --ok: #1fa463; --bad: #e0384a;
  --font: 'Archivo', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --ancho: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.55; }
a { color: inherit; }
h1, h2, h3 { font-stretch: 110%; line-height: 1.15; letter-spacing: -.3px; }
h2 { font-size: clamp(26px, 4vw, 38px); margin: 0 0 28px; }
h3 { font-size: 18px; margin: 0 0 6px; }

.logo { width: 26px; height: 26px; border-radius: 50%; border: 5px solid var(--accent); border-right-color: var(--accent-2); display: inline-block; flex: none; }
.marca { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 19px; }

.barra { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 20px; padding: 12px max(16px, calc((100% - var(--ancho)) / 2)); background: var(--nav); color: #fff; }
.barra nav { margin-left: auto; display: flex; align-items: center; gap: 22px; font-size: 15px; }
.barra nav a { color: var(--nav-ink); text-decoration: none; }
.barra nav a:hover { color: #fff; }

.boton { display: inline-flex; align-items: center; justify-content: center; padding: 13px 22px; border-radius: 12px; background: var(--accent); color: #fff !important; font-weight: 700; text-decoration: none; border: 0; font: inherit; font-weight: 700; cursor: pointer; }
.boton:hover { filter: brightness(1.06); }
.boton:disabled { opacity: .6; cursor: wait; }
.boton.secundario { background: transparent; border: 1px solid rgba(255,255,255,.35); }
.boton.chico { padding: 8px 14px; font-size: 14px; }

.portada { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding: 72px max(16px, calc((100% - var(--ancho)) / 2)) 80px; background: linear-gradient(160deg, var(--nav) 55%, var(--nav-2)); color: #fff; }
.antetitulo { color: var(--accent-2); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; margin: 0 0 12px; }
.portada h1 { font-size: clamp(34px, 5.2vw, 58px); margin: 0 0 20px; }
.portada h1 em { font-style: normal; color: var(--accent); }
.bajada { color: var(--nav-ink); font-size: 19px; margin: 0 0 28px; max-width: 34em; }
.acciones { display: flex; gap: 12px; flex-wrap: wrap; }
.portada-foto { margin: 0; }
.portada-foto figcaption { color: var(--nav-ink); font-size: 14px; margin-top: 10px; }

.foto { position: relative; aspect-ratio: 16 / 9; border-radius: 16px; background: #1b2a4a var(--img) center / cover no-repeat; overflow: hidden; box-shadow: 0 14px 40px rgba(0,0,0,.28); }
.foto.alta { aspect-ratio: 4 / 3; }
.caja { position: absolute; border: 3px solid #ff5fa2; border-radius: 6px; }
.caja i { position: absolute; left: -3px; bottom: calc(100% + 4px); white-space: nowrap; font-style: normal; font-size: 12px; font-weight: 700; background: #ff5fa2; color: #fff; padding: 2px 8px; border-radius: 6px; }

.seccion { padding: 76px max(16px, calc((100% - var(--ancho)) / 2)); }
.seccion.oscuro { background: var(--nav); color: #fff; }
.seccion.oscuro p { color: var(--nav-ink); }

.cifras { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cifras div { background: var(--surface); border: 1px solid var(--line); border-top: 4px solid var(--accent); border-radius: 14px; padding: 22px; display: grid; gap: 4px; }
.cifras b { font-size: 40px; font-stretch: 112%; line-height: 1; }
.cifras span { font-weight: 700; }
.cifras small { color: var(--mute); font-size: 15px; }
.cifras.cinco { grid-template-columns: repeat(5, 1fr); }
.fuente { color: var(--mute); font-size: 13px; margin: 14px 0 40px; }
.ciegas .pregunta { font-weight: 700; margin: 0 0 12px; }
.ciegas ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ciegas li { display: flex; justify-content: space-between; gap: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.ciegas li span { color: var(--bad); font-weight: 700; }
.remate { font-size: 22px; font-weight: 700; font-stretch: 108%; margin: 28px 0 0; }

.pasos { list-style: none; counter-reset: paso; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pasos.cinco { grid-template-columns: repeat(5, 1fr); }
.pasos.tres { grid-template-columns: repeat(3, 1fr); }
.pasos li { counter-increment: paso; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; display: grid; gap: 6px; align-content: start; }
.oscuro .pasos li { background: var(--nav-2); border-color: #23386a; }
.pasos li::before { content: counter(paso); width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; display: grid; place-items: center; margin-bottom: 6px; }
.pasos b { font-size: 18px; }
.pasos span { color: var(--mute); }
.oscuro .pasos span { color: var(--nav-ink); }

.tarjetas { display: grid; gap: 18px; }
.tarjetas.cuatro { grid-template-columns: repeat(4, 1fr); }
.tarjetas.tres { grid-template-columns: repeat(3, 1fr); margin-top: 18px; }
.tarjetas article { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.tarjetas article p { margin: 0; color: var(--mute); }
.oscuro .tarjetas article { background: var(--nav-2); border-color: #23386a; }
.oscuro .tarjetas article p { color: var(--nav-ink); }
.capas ul { margin: 8px 0 0; padding-left: 18px; }
.capas small { color: var(--mute); }
.nota { color: var(--mute); margin: 18px 0 0; }

.mide { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.medidas { margin: 0; display: grid; gap: 12px; }
.medidas div { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.medidas dt { font-weight: 700; }
.medidas dd { margin: 2px 0 0; color: var(--mute); }
.destacado { font-size: 20px; font-weight: 700; font-stretch: 106%; margin: 32px 0 0; max-width: 40em; }
.oscuro .destacado { color: #fff !important; }

.antes-despues { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: center; margin-bottom: 24px; }
.antes-despues figure { margin: 0; }
.antes-despues figcaption { margin-top: 8px; font-weight: 700; }
.flecha { font-size: 36px; color: var(--accent); }
.niveles { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.niveles li { background: var(--nav-2); border: 1px solid #23386a; border-left: 4px solid var(--accent); border-radius: 12px; padding: 18px; display: grid; gap: 4px; }
.niveles span { color: var(--nav-ink); }

.privacidad { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.privacidad figure { margin: 0; }
.privacidad figcaption { color: var(--nav-ink); font-size: 14px; margin-top: 10px; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checks li { display: grid; gap: 2px; padding-left: 36px; position: relative; }
.checks li::before { content: '✓'; position: absolute; left: 0; top: 0; width: 24px; height: 24px; border-radius: 50%; background: var(--ok); color: #fff; font-weight: 800; display: grid; place-items: center; font-size: 14px; }
.checks span { color: var(--nav-ink); }

.beneficios { list-style: none; counter-reset: b; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.beneficios li { counter-increment: b; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; display: grid; gap: 4px; }
.beneficios li::before { content: counter(b); color: var(--accent); font-weight: 800; font-size: 26px; font-stretch: 112%; }
.beneficios span { color: var(--mute); }

.demo { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.demo-texto p { color: var(--mute); }
.formulario { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 26px; display: grid; gap: 14px; }
.formulario .fila { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.formulario label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--mute); }
.formulario input, .formulario select, .formulario textarea { font: inherit; font-size: 16px; color: var(--ink); border: 1px solid var(--line); background: var(--bg); border-radius: 10px; padding: 10px 12px; width: 100%; }
.formulario input:focus, .formulario select:focus, .formulario textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.formulario .boton { justify-self: start; }
.trampa { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.estado { margin: 0; font-weight: 600; min-height: 1.5em; }
.estado.ok { color: var(--ok); }
.estado.error { color: var(--bad); }
.aviso-datos { margin: 0; color: var(--mute); font-size: 13px; }

.play { width: 0; height: 0; border-style: solid; border-width: 6px 0 6px 10px; border-color: transparent transparent transparent currentColor; margin-right: 10px; display: inline-block; }

.video { display: grid; grid-template-columns: .75fr 1.25fr; gap: 48px; align-items: center; }
.video-texto h2 { margin-bottom: 16px; }
.video-texto .boton { margin-top: 12px; }
.nota-video { font-size: 14px; margin: 16px 0 0; }
.video-marco { border-radius: 18px; overflow: hidden; border: 1px solid #23386a; box-shadow: 0 30px 80px rgba(0,0,0,.45); background: #000; }
.video-marco video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #000; }
.video-modal { width: min(1200px, calc(100vw - 32px)); max-width: none; padding: 0; border: 1px solid rgba(255,255,255,.15); border-radius: 16px; background: #000; overflow: hidden; }
.video-modal::backdrop { background: rgba(2, 7, 16, .92); }
.video-modal video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #000; }
.video-cerrar { position: absolute; top: 10px; right: 10px; z-index: 1; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(255,255,255,.9); color: var(--ink); font: inherit; font-size: 26px; line-height: 1; cursor: pointer; }
.video-cerrar:hover { background: var(--accent); color: #fff; }

.pie { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 28px max(16px, calc((100% - var(--ancho)) / 2)); background: var(--nav); color: var(--nav-ink); font-size: 14px; }
.pie p { margin: 0; }
.pie .marca { color: #fff; }

@media (max-width: 960px) {
  .portada, .mide, .privacidad, .demo, .video { grid-template-columns: 1fr; }
  .pasos, .pasos.cinco, .pasos.tres, .tarjetas.cuatro { grid-template-columns: repeat(2, 1fr); }
  .beneficios, .tarjetas.tres, .niveles, .cifras, .cifras.cinco { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .barra nav a:not(.boton) { display: none; }
  .portada { padding-top: 44px; padding-bottom: 56px; gap: 32px; }
  .seccion { padding-top: 56px; padding-bottom: 56px; }
  .pasos, .pasos.cinco, .pasos.tres, .tarjetas.cuatro, .beneficios, .tarjetas.tres, .niveles, .cifras, .cifras.cinco, .ciegas ul, .formulario .fila { grid-template-columns: 1fr; }
  .antes-despues { grid-template-columns: 1fr; }
  .flecha { transform: rotate(90deg); justify-self: center; }
}