/* AulaIQ · landing comercial. Un solo archivo, sin librerías. Fuentes de Google Fonts. */

:root {
  --papel: #f7f4ee;
  --papel-hondo: #efeadf;
  --superficie: #ffffff;
  --tinta: #15262b;
  --tinta-suave: #55676c;
  --linea: #e4ddd0;
  --verde: #0e5b66;
  --verde-hondo: #0a444c;
  --verde-noche: #082f35;
  --verde-suave: #e2eff0;
  --sol: #f2b84b;
  --sol-suave: #fdf0d2;
  --ok: #1e7a4a;
  --ok-suave: #e3f3ea;
  --alerta: #a35a00;
  --alerta-suave: #fbeed9;
  --error: #a3222d;
  --radio: 18px;
  --sombra: 0 1px 2px rgba(21, 38, 43, .06), 0 14px 36px -14px rgba(21, 38, 43, .22);
  --sombra-alta: 0 2px 4px rgba(21, 38, 43, .06), 0 30px 60px -20px rgba(8, 47, 53, .35);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font: 400 17px/1.55 "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: "Fraunces", Georgia, serif; font-weight: 700; letter-spacing: -.015em; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.25rem; line-height: 1.2; }
p, ul, ol { margin: 0; }
a { color: inherit; }
em { font-style: italic; color: var(--verde); font-weight: 500; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--tinta-suave); }
.contenedor { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

.saltar { position: absolute; left: -9999px; top: 8px; background: var(--tinta); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 50; }
.saltar:focus { left: 8px; }


/* ---- Logo: ícono SVG + nombre en la fuente de la página ---- */
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo__icono { width: 38px; height: 38px; flex: none; }
.logo__texto { font-family: "Figtree", system-ui, sans-serif; font-weight: 800; font-size: 1.55rem; letter-spacing: -.02em; color: var(--verde); line-height: 1; }
.logo__texto b { color: var(--tinta); font-weight: 800; }
.logo--chico .logo__icono { width: 28px; height: 28px; }
.logo--chico .logo__texto { font-size: 1.15rem; }

/* ---- Botones ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
  background: var(--verde); color: #fff; border: 1.5px solid var(--verde);
  padding: 12px 22px; border-radius: 999px; transition: transform .15s, background .15s, box-shadow .15s;
}
.btn:hover { background: var(--verde-hondo); transform: translateY(-1px); box-shadow: 0 10px 22px -12px rgba(14, 91, 102, .8); }
.btn:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--sol); outline-offset: 2px; }
.btn--sec { background: transparent; color: var(--verde); }
.btn--sec:hover { background: var(--verde-suave); box-shadow: none; }
.btn--chico { padding: 8px 16px; font-size: .92rem; }
.btn--grande { padding: 15px 26px; font-size: 1.05rem; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }
.acciones { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ---- Barra superior ---- */
.barra {
  position: sticky; top: 0; z-index: 20;
  background: rgba(247, 244, 238, .86); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--linea);
}
.barra__in { display: flex; justify-content: space-between; align-items: center; height: 68px; }
.barra__nav { display: flex; align-items: center; gap: 24px; }
.barra__nav a:not(.btn) { text-decoration: none; color: var(--tinta-suave); font-weight: 600; font-size: .95rem; }
.barra__nav a:not(.btn):hover { color: var(--tinta); }

/* ---- Hero ---- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 480px at 85% 10%, rgba(242, 184, 75, .20), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(14, 91, 102, .10), transparent 60%);
}
.hero__in {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center;
  padding-top: 76px; padding-bottom: 92px;
}
.h1__linea { display: block; }
.hero .lead { font-size: 1.22rem; color: var(--tinta-suave); margin: 24px 0 32px; max-width: 36ch; }
.hero__garantias { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 26px; font-size: .93rem; color: var(--tinta-suave); font-weight: 600; }
.hero__garantias li { display: inline-flex; align-items: center; gap: 8px; }
.hero__garantias li::before { content: ""; width: 16px; height: 16px; border-radius: 50%; background: var(--ok-suave) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4.5 8.3 2.2 2.2 4.8-5' fill='none' stroke='%231e7a4a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; }

/* ---- Maqueta del panel (HTML y CSS, datos de ejemplo) ---- */
.mock { position: relative; }
.mock__ventana {
  background: var(--superficie); border-radius: 18px; border: 1px solid var(--linea);
  box-shadow: var(--sombra-alta); overflow: hidden; font-size: .82rem;
}
.mock__barra { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--papel-hondo); border-bottom: 1px solid var(--linea); }
.mock__barra i { width: 10px; height: 10px; border-radius: 50%; background: #d9d1c2; }
.mock__barra span { margin-left: 10px; color: var(--tinta-suave); font-weight: 600; font-size: .78rem; }
.mock__cuerpo { display: grid; grid-template-columns: 138px 1fr; min-height: 330px; }
.mock__lado { background: #1a1a1a; color: rgba(255, 255, 255, .72); padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; }
.mock__lado .mock__marca { display: flex; align-items: center; gap: 6px; color: #fff; font-weight: 700; font-size: .95rem; padding: 0 6px 8px; letter-spacing: -.02em; }
.mock__marca b { color: #5fc2cf; font-weight: 700; }
.mock__lado .mock__marca span { padding: 0; border-radius: 0; font-weight: 700; }
.mock__lado em { font-style: normal; font-size: .58rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(255, 255, 255, .42); padding: 8px 10px 2px; }
.mock__logo { width: 22px; height: 22px; --verde: #5fc2cf; }
.mock__lado span { padding: 5px 10px; border-radius: 6px; font-weight: 500; }
.mock__lado .activo { background: rgba(95, 194, 207, .16); color: #fff; box-shadow: inset 3px 0 0 #5fc2cf; }
.mock__main { padding: 0 14px 14px; display: flex; flex-direction: column; gap: 10px; background: #f5f6f8; }
.mock__top { display: flex; justify-content: space-between; align-items: center; margin: 0 -14px; padding: 8px 14px; background: #fff; border-bottom: 1px solid #e6e8ec; color: var(--tinta-suave); font-size: .72rem; font-weight: 500; }
.mock__top i { font-style: normal; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: var(--verde); color: #fff; font-size: .66rem; font-weight: 700; }
.mock__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpi { position: relative; overflow: hidden; background: var(--superficie); border: 1px solid #e6e8ec; border-radius: 10px; padding: 10px 12px 10px 14px; display: flex; flex-direction: column; gap: 2px; box-shadow: 0 1px 2px rgba(26, 26, 26, .06), 0 4px 16px rgba(26, 26, 26, .06); }
.kpi::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--verde); }
.kpi small { order: 2; color: var(--tinta-suave); font-size: .58rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.kpi strong { order: 1; font-size: 1.3rem; font-weight: 700; color: #1a1a1a; line-height: 1.15; letter-spacing: -.01em; }
.kpi em { order: 3; font-style: normal; font-size: .68rem; color: var(--tinta-suave); font-weight: 500; }
.kpi em.sube { color: var(--ok); }
.kpi--sol::before { background: var(--sol); }
.mock__graf { background: var(--superficie); border: 1px solid #e6e8ec; border-radius: 10px; padding: 10px 12px; box-shadow: 0 1px 2px rgba(26, 26, 26, .06), 0 4px 16px rgba(26, 26, 26, .06); }
.mock__graf small { color: var(--tinta-suave); font-weight: 600; font-size: .7rem; }
.barras { display: flex; align-items: flex-end; gap: 8px; height: 70px; margin-top: 8px; }
.barras i { flex: 1; height: var(--h); background: #cfe6e9; border-radius: 4px 4px 2px 2px; transform-origin: bottom; }
.barras i.ultima { background: var(--verde); }
.mock__lista { background: var(--superficie); border: 1px solid #e6e8ec; border-radius: 10px; padding: 4px 12px; box-shadow: 0 1px 2px rgba(26, 26, 26, .06), 0 4px 16px rgba(26, 26, 26, .06); }
.mock__lista div { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid #eef0f3; }
.mock__lista div:last-child { border-bottom: 0; }
.mock__correo {
  position: absolute; left: -28px; bottom: -52px; max-width: 330px;
  display: flex; align-items: center; gap: 12px;
  background: var(--superficie); border: 1px solid var(--linea); border-radius: 14px; padding: 12px 14px;
  box-shadow: var(--sombra-alta); font-size: .82rem;
}
.mock__correo small { display: block; color: var(--tinta-suave); font-size: .72rem; }
.mock__correo strong { line-height: 1.3; }
.mock__correo-ic { flex: none; width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--sol); color: var(--tinta); font-weight: 800; font-size: 1.1rem; }
.mock__nota { position: absolute; top: -26px; right: 4px; font-size: .72rem; color: var(--tinta-suave); font-weight: 600; letter-spacing: .04em; }

.chip {
  font-size: .7rem; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  background: var(--verde-suave); color: var(--verde); white-space: nowrap;
}
.chip--ok { background: var(--ok-suave); color: var(--ok); }
.chip--alerta { background: var(--alerta-suave); color: var(--alerta); }
.mock__lista .chip { border-radius: 6px; font-weight: 600; }

/* ---- Tira de conceptos ---- */
.tiras { background: var(--verde); color: #e9f4f5; }
.tiras__in {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 26px;
  padding: 18px 20px; font-weight: 600; font-size: .96rem; max-width: 1160px; margin: 0 auto;
}
.tiras__in span:not(:last-child)::after { content: "·"; margin-left: 26px; opacity: .5; }
.tiras__in span:last-child { color: var(--sol); }

/* ---- Encabezados de sección ---- */
.seccion__cab { max-width: 680px; margin-bottom: 44px; }
.seccion__cab .muted { margin-top: 16px; font-size: 1.05rem; }

/* ---- Problema → solución ---- */
.problema { padding-top: 104px; padding-bottom: 40px; }
.versus { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.versus__col { border-radius: 22px; padding: 32px 30px; }
.versus__col h3 { font-size: 1.4rem; margin-bottom: 18px; }
.versus__col ul { list-style: none; padding: 0; display: grid; gap: 14px; }
.versus__col li { position: relative; padding-left: 32px; font-size: 1.04rem; }
.versus__col li::before { position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .8rem; font-weight: 800; }
.versus__col--antes { background: var(--papel-hondo); color: var(--tinta-suave); }
.versus__col--antes h3 { color: var(--tinta-suave); }
.versus__col--antes li::before { content: "✕"; background: #e5ddcd; color: #8a7c62; }
.versus__col--con { background: var(--superficie); border: 1.5px solid var(--verde); box-shadow: var(--sombra); }
.versus__col--con h3 { color: var(--verde); }
.versus__col--con li::before { content: "✓"; background: var(--verde); color: #fff; }

/* ---- Beneficios ---- */
.beneficios { padding: 96px 0 40px; }
/* Dos columnas de título + texto, sin cajas: el espacio separa cada beneficio. */
.logros { display: grid; grid-template-columns: 1fr 1fr; gap: 44px 72px; max-width: 980px; }
.logro h3 { font-size: 1.45rem; margin-bottom: 8px; }
.logro p { color: var(--tinta-suave); max-width: 42ch; }
.tambien { margin-top: 56px; color: var(--tinta-suave); font-weight: 600; max-width: 980px; }

/* ---- Avisos por correo ---- */
.avisos {
  margin-top: 80px; padding: 96px 0; color: #e6f0f1;
  background:
    radial-gradient(700px 400px at 100% 0%, rgba(242, 184, 75, .16), transparent 60%),
    linear-gradient(160deg, var(--verde-hondo), var(--verde-noche));
}
.avisos__in { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.avisos h2 { color: #fff; }
.avisos__lista { list-style: none; padding: 0; margin-top: 32px; display: grid; gap: 18px; }
.avisos__lista li { display: grid; gap: 3px; padding-left: 22px; border-left: 3px solid rgba(242, 184, 75, .5); }
.avisos__lista li:first-child { border-left-color: var(--sol); }
.avisos__lista strong { color: #fff; font-size: 1.05rem; }
.avisos__lista span { color: #b9d0d4; }

.correo { position: relative; background: var(--superficie); color: var(--tinta); border-radius: 20px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .55); overflow: hidden; }
.correo .mock__nota { top: auto; bottom: 10px; right: 16px; }
.correo__cab { padding: 18px 22px; background: var(--papel); border-bottom: 1px solid var(--linea); display: grid; gap: 2px; }
.correo__cab small { color: var(--tinta-suave); font-size: .8rem; }
.correo__cab strong { font-size: 1.05rem; margin-top: 6px; }
.correo__cuerpo { padding: 22px 22px 34px; display: grid; gap: 12px; font-size: .95rem; }
.correo__cuerpo ul { list-style: none; padding: 0; display: grid; gap: 8px; }
.correo__cuerpo li { display: grid; grid-template-columns: 1fr auto; gap: 0 12px; padding: 10px 14px; background: var(--papel); border-radius: 10px; }
.correo__cuerpo li small { grid-column: 1 / -1; color: var(--alerta); font-weight: 600; font-size: .8rem; }
.correo__cuerpo li .num { font-weight: 700; }
.correo__total { display: flex; justify-content: space-between; font-weight: 800; font-size: 1.05rem; padding: 4px 14px; }
.correo__total .num { color: var(--verde); }
.correo__cuerpo .muted { font-size: .85rem; }

/* ---- Pasos ---- */
.pasos { padding-top: 104px; padding-bottom: 20px; }
.pasos__lista { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: paso; }
.pasos__lista li { position: relative; background: var(--superficie); border: 1px solid var(--linea); border-radius: var(--radio); padding: 28px 26px; }
.pasos__n { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--sol); color: var(--tinta); font-family: "Fraunces", serif; font-weight: 700; font-size: 1.3rem; margin-bottom: 18px; }
.pasos__lista h3 { margin-bottom: 8px; }
.pasos__lista p { color: var(--tinta-suave); }

/* ---- Precios ---- */
.precios { padding: 104px 0 30px; }
.planes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding-top: 12px; }
.plan {
  background: var(--superficie); border: 1px solid var(--linea); border-radius: 20px; padding: 28px 22px 24px;
  display: flex; flex-direction: column; gap: 6px; position: relative; transition: transform .2s, box-shadow .2s;
}
.plan:hover { transform: translateY(-3px); box-shadow: var(--sombra); }
.plan--activo { border-color: var(--verde); box-shadow: 0 0 0 2px var(--verde) inset, var(--sombra); }
.plan--activo::before {
  content: "Tu plan"; position: absolute; top: -12px; left: 22px;
  background: var(--sol); color: var(--tinta); font-weight: 700; font-size: .75rem;
  padding: 4px 10px; border-radius: 999px;
}
.plan__nombre { font-family: "Fraunces", serif; font-size: 1.5rem; font-weight: 700; }
.plan__rango { color: var(--tinta-suave); font-size: .92rem; min-height: 2.6em; }
.plan__precio { font-family: "Fraunces", serif; font-size: clamp(1.5rem, 1.9vw, 1.85rem); white-space: nowrap; font-weight: 700; color: var(--verde); margin-top: 10px; line-height: 1; }
.plan__precio small { font-family: "Figtree", sans-serif; font-size: .95rem; color: var(--tinta-suave); font-weight: 500; }
.plan__anual, .plan__impl { font-size: .92rem; color: var(--tinta-suave); }
.plan .btn { margin-top: auto; width: 100%; }
.plan__anual + .plan__impl { margin-bottom: 14px; }
.plan--red { background: var(--tinta); color: #eef4f5; border-color: var(--tinta); }
.plan--red .plan__rango, .plan--red .plan__anual, .plan--red .plan__impl { color: #b9c9cd; }
.plan--red .plan__precio { color: var(--sol); font-size: 1.7rem; }
.plan--red .btn { background: var(--sol); color: var(--tinta); border-color: var(--sol); }
.plan--red .btn:hover { background: #ffd27a; }

/* ---- Calculadora ---- */
.calc { padding-top: 40px; padding-bottom: 20px; }
.calc__caja {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; background: var(--superficie);
  border: 1px solid var(--linea); border-radius: 24px; padding: 40px;
}
.calc h2 { margin-bottom: 26px; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.rango input[type=range] { width: 100%; accent-color: var(--verde); margin: 6px 0 18px; }
.numero { display: flex; flex-direction: column; gap: 6px; font-weight: 600; color: var(--tinta-suave); font-size: .9rem; max-width: 220px; }
.numero input, .formulario input, .formulario textarea {
  font: inherit; color: var(--tinta); background: var(--papel); border: 1px solid var(--linea);
  border-radius: 12px; padding: 12px 14px; width: 100%;
}
.calc__res {
  background: var(--verde-suave); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start;
}
.calc__plan { font-family: "Fraunces", serif; font-size: 2rem; font-weight: 700; color: var(--verde); }
.calc__precio { font-family: "Fraunces", serif; font-size: 2.6rem; font-weight: 700; line-height: 1.05; margin: 4px 0 6px; }
.calc__res .btn { margin-top: 16px; }

/* ---- Preguntas frecuentes ---- */
.faq { padding-top: 104px; padding-bottom: 96px; }
.faq__lista { display: grid; gap: 12px; max-width: 860px; }
.faq details { background: var(--superficie); border: 1px solid var(--linea); border-radius: 16px; padding: 0 24px; }
.faq details[open] { border-color: #d6cdbb; box-shadow: var(--sombra); }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 36px 20px 0; position: relative;
  font-weight: 700; font-size: 1.06rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px; border-radius: 50%; background: var(--verde-suave); color: var(--verde);
  display: grid; place-items: center; font-weight: 700; transition: transform .2s;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 22px; color: var(--tinta-suave); max-width: 70ch; }

/* ---- Contacto (cierre) ---- */
.contacto {
  padding: 96px 0; color: #e6f0f1;
  background:
    radial-gradient(600px 400px at 0% 0%, rgba(242, 184, 75, .14), transparent 60%),
    linear-gradient(160deg, var(--verde), var(--verde-noche));
}
.contacto__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.contacto h2 { color: #fff; margin-bottom: 16px; }
.contacto__texto > p { color: #c4d9dc; font-size: 1.08rem; }
.contacto__puntos { list-style: none; padding: 0; margin-top: 26px; display: grid; gap: 10px; }
.contacto__puntos li { display: flex; gap: 10px; align-items: flex-start; font-weight: 600; }
.contacto__puntos li::before { content: "✓"; color: var(--sol); font-weight: 800; }
.formulario {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px;
  background: var(--superficie); color: var(--tinta); border-radius: 22px; padding: 30px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .5);
}
.formulario label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: .9rem; color: var(--tinta-suave); }
.formulario .ancha { grid-column: 1 / -1; }
.formulario .acciones { justify-content: space-between; }
.formulario input:focus, .formulario textarea:focus, .numero input:focus { outline: 3px solid var(--sol); outline-offset: 1px; }
.formulario input[aria-invalid="true"] { border-color: var(--error); }
.campo-error { color: var(--error); font-size: .82rem; font-weight: 600; }
.campo-error:empty { display: none; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.estado { font-weight: 600; font-size: .95rem; }
.estado--ok { color: var(--ok); }
.estado--error { color: var(--error); }

/* ---- Pie ---- */
.pie { padding: 28px 0; background: var(--papel); }
.pie__in { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: .92rem; }
.pie a { color: var(--verde); font-weight: 600; text-decoration: none; }

/* ---- Aparición al hacer scroll ----
   Solo se oculta si el JS marcó <html class="js">: sin JS todo se ve. */
.js .revelar { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .7, .2, 1); }
.js .revelar.visible { opacity: 1; transform: none; }
.js .logros .revelar:nth-child(2n), .js .pasos__lista .revelar:nth-child(2) { transition-delay: .08s; }
.js .pasos__lista .revelar:nth-child(3) { transition-delay: .16s; }
.js .barras i { animation: crecer 1s cubic-bezier(.2, .7, .2, 1) both; }
.js .barras i:nth-child(2) { animation-delay: .05s; } .js .barras i:nth-child(3) { animation-delay: .1s; }
.js .barras i:nth-child(4) { animation-delay: .15s; } .js .barras i:nth-child(5) { animation-delay: .2s; }
.js .barras i:nth-child(6) { animation-delay: .25s; } .js .barras i:nth-child(7) { animation-delay: .3s; }
.js .mock__correo { animation: llegar .7s .6s cubic-bezier(.2, .7, .2, 1) both; }
@keyframes crecer { from { transform: scaleY(.1); } }
@keyframes llegar { from { opacity: 0; transform: translateY(16px) scale(.97); } }

/* ---- Pantallas medianas y celular ---- */
@media (max-width: 1020px) {
  .planes { grid-template-columns: repeat(2, 1fr); }
  .hero__in { grid-template-columns: 1fr; gap: 72px; }
  .hero .lead { max-width: 48ch; }
  .mock { max-width: 620px; }
  .avisos__in, .contacto__grid, .calc__caja { grid-template-columns: 1fr; }
  .avisos__in { gap: 48px; }
  .correo { max-width: 560px; }
  .barra__nav { gap: 18px; }
}
@media (max-width: 860px) {
  .pasos__lista { grid-template-columns: 1fr; }
  .barra__nav a:not(.btn) { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero__in { padding-top: 44px; padding-bottom: 72px; gap: 64px; }
  .hero .lead { font-size: 1.1rem; }
  .acciones .btn--grande { flex: 1 1 100%; }
  .mock__cuerpo { grid-template-columns: 1fr; min-height: 0; }
  .mock__lado { display: none; }
  .mock__kpis { grid-template-columns: 1fr 1fr; }
  .mock__kpis .kpi:last-child { grid-column: 1 / -1; }
  .mock__correo { left: 8px; right: 8px; bottom: -46px; max-width: none; }
  .versus, .logros, .planes { grid-template-columns: 1fr; }
  .logros { gap: 32px; }
  .tambien { margin-top: 40px; }
  .versus__col { padding: 26px 22px; }
  .problema, .pasos, .precios, .faq { padding-top: 72px; }
  .beneficios { padding-top: 72px; }
  .avisos, .contacto { padding: 72px 0; }
  .avisos { margin-top: 56px; }
  .calc__caja { padding: 26px 22px; }
  .formulario { grid-template-columns: 1fr; padding: 22px; }
  .formulario .acciones { flex-direction: column; align-items: stretch; }
  .faq details { padding: 0 18px; }
  .logo__icono { width: 32px; height: 32px; }
  .tiras__in span:not(:last-child)::after { display: none; }
  .tiras__in { gap: 6px 18px; }
  .logo__texto { font-size: 1.35rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js .revelar { opacity: 1; transform: none; }
}