:root {
  --azul: #37B6FF;
  --azul-600: #0E97E6;
  --azul-700: #0A78B8;
  --azul-50: #EEF8FF;
  --gris: #545455;
  --tinta: #1E2430;
  --texto: #4A5160;
  --suave: #6B7280;
  --borde: #E4E9F0;
  --fondo: #FFFFFF;
  --fondo-alt: #F6F9FC;
  --noche: #0F1B2B;
  --noche-2: #16263B;
  --radio: 16px;
  --sombra: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);
  --ancho: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--texto);
  background: var(--fondo);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: "Exo 2", "Inter", sans-serif; color: var(--tinta); line-height: 1.15; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.contenedor { max-width: var(--ancho); margin: 0 auto; padding: 0 24px; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--azul-700);
}
.kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--azul); }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 22px; border-radius: 12px;
  font: 600 15px/1 "Inter", sans-serif; border: 1px solid transparent; cursor: pointer;
  transition: background .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn:focus-visible { outline: 3px solid rgba(55, 182, 255, .45); outline-offset: 2px; }
.btn-primario { background: var(--azul-600); color: #fff; box-shadow: 0 6px 18px rgba(14, 151, 230, .28); }
.btn-primario:hover { background: var(--azul-700); transform: translateY(-1px); }
.btn-secundario { background: #fff; color: var(--tinta); border-color: var(--borde); }
.btn-secundario:hover { border-color: var(--azul); color: var(--azul-700); }
.btn svg { width: 18px; height: 18px; flex: none; }

/* Encabezado */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .88); backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.header.con-borde { border-bottom-color: var(--borde); }
.header .contenedor { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.header .logo img { height: 52px; width: auto; }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a { font-weight: 500; font-size: 15px; color: var(--texto); transition: color .2s; }
.nav a:hover { color: var(--azul-700); }
.nav .btn { height: 42px; padding: 0 18px; color: #fff; }
.menu-btn { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--tinta); }
.menu-btn svg { width: 26px; height: 26px; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 96px; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(600px 360px at 85% 10%, rgba(55, 182, 255, .16), transparent 70%),
    radial-gradient(500px 300px at 0% 90%, rgba(55, 182, 255, .08), transparent 70%);
}
.hero .contenedor { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(36px, 5vw, 56px); font-weight: 700; margin: 18px 0 20px; letter-spacing: -.01em; }
.hero h1 span { color: var(--azul-600); }
.hero .lead { font-size: 18px; max-width: 540px; }
.hero .acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero .notas { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 28px; font-size: 14px; color: var(--suave); }
.hero .notas span { display: inline-flex; align-items: center; gap: 6px; }
.hero .notas svg { width: 16px; height: 16px; color: var(--azul-600); }

/* Maqueta ilustrativa en el hero */
.maqueta { position: relative; }
.arco { position: absolute; top: -34px; right: -10px; width: 78%; height: auto; color: var(--azul); opacity: .9; }
.ventana {
  position: relative; background: #fff; border: 1px solid var(--borde); border-radius: 20px;
  box-shadow: 0 30px 60px -20px rgba(15, 27, 43, .25), var(--sombra); overflow: hidden;
}
.ventana-barra { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--borde); background: var(--fondo-alt); }
.ventana-barra i { width: 10px; height: 10px; border-radius: 50%; background: #D5DCE5; }
.ventana-barra b { margin-left: 10px; font: 500 12px "Inter"; color: var(--suave); }
.ventana-cuerpo { padding: 22px; display: grid; gap: 16px; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.kpi { border: 1px solid var(--borde); border-radius: 12px; padding: 12px; }
.kpi small { display: block; font-size: 11px; color: var(--suave); }
.kpi strong { font: 600 18px "Exo 2"; color: var(--tinta); }
.grafico { border: 1px solid var(--borde); border-radius: 12px; padding: 14px 14px 8px; }
.grafico small { font-size: 11px; color: var(--suave); }
.grafico svg { width: 100%; height: 110px; display: block; }
.fila-doc { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; padding: 10px 12px; border-radius: 10px; background: var(--fondo-alt); }
.fila-doc .num { font-weight: 600; color: var(--tinta); }
.estado { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: #0F7B4B; background: #E7F7EF; padding: 3px 10px; border-radius: 999px; }
.estado::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.flotante {
  position: absolute; left: -28px; bottom: -26px; display: flex; align-items: center; gap: 12px;
  background: #fff; border: 1px solid var(--borde); border-radius: 14px; padding: 12px 16px; box-shadow: var(--sombra);
}
.flotante .ico { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--azul-50); color: var(--azul-600); }
.flotante .ico svg { width: 20px; height: 20px; }
.flotante small { display: block; font-size: 12px; color: var(--suave); line-height: 1.3; }
.flotante strong { font-size: 14px; color: var(--tinta); }

/* Franja de capacidades */
.franja { border-top: 1px solid var(--borde); border-bottom: 1px solid var(--borde); background: var(--fondo-alt); }
.franja .contenedor { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 40px; padding-top: 22px; padding-bottom: 22px; }
.franja p { font-size: 14px; color: var(--suave); }
.franja ul { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.franja li { font: 600 13px "Inter"; color: var(--gris); background: #fff; border: 1px solid var(--borde); border-radius: 999px; padding: 6px 14px; }

/* Secciones */
section.bloque { padding: 96px 0; }
.encabezado { max-width: 680px; margin-bottom: 48px; }
.encabezado.centro { margin-left: auto; margin-right: auto; text-align: center; }
.encabezado h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 700; margin: 14px 0 14px; }
.encabezado p { font-size: 17px; }

.tarjetas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tarjeta {
  background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 28px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.tarjeta:hover { transform: translateY(-3px); box-shadow: var(--sombra); border-color: #CFE9FA; }
.tarjeta .ico { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--azul-50); color: var(--azul-600); margin-bottom: 18px; }
.tarjeta .ico svg { width: 24px; height: 24px; }
.tarjeta h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.tarjeta p { font-size: 15px; }
.tarjeta ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: 14px; }
.tarjeta li { display: flex; gap: 8px; align-items: flex-start; }
.tarjeta li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--azul); margin-top: 8px; }

/* Por qué */
.porque { background: var(--fondo-alt); }
.porque .contenedor { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.porque .encabezado { margin-bottom: 0; position: sticky; top: 110px; }
.ventajas { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.ventaja { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 24px; }
.ventaja .num { font: 700 14px "Exo 2"; color: var(--azul-600); letter-spacing: .06em; }
.ventaja h3 { font-size: 18px; font-weight: 600; margin: 8px 0 6px; }
.ventaja p { font-size: 15px; }

/* Proceso */
.pasos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: paso; position: relative; }
.pasos::before {
  content: ""; position: absolute; top: 24px; left: 12%; right: 12%; height: 2px;
  background: linear-gradient(90deg, var(--azul) 0 40%, transparent 40% 100%) 0 0 / 14px 2px repeat-x; opacity: .5;
}
.paso { position: relative; text-align: center; padding: 0 8px; }
.paso .circulo {
  width: 50px; height: 50px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center;
  background: #fff; border: 2px solid var(--azul); color: var(--azul-700); font: 700 18px "Exo 2";
}
.paso h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.paso p { font-size: 15px; }

/* Contacto */
.contacto { background: var(--noche); color: #C9D4E3; position: relative; overflow: hidden; }
.contacto::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(520px 320px at 90% 0%, rgba(55, 182, 255, .22), transparent 70%);
}
.contacto .contenedor { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.contacto h2 { color: #fff; font-size: clamp(28px, 3.6vw, 40px); font-weight: 700; margin: 14px 0; }
.contacto .kicker { color: var(--azul); }
.contacto .lead { font-size: 17px; }
.datos { display: grid; gap: 14px; margin-top: 32px; }
.dato { display: flex; align-items: center; gap: 14px; }
.dato .ico { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: rgba(55, 182, 255, .14); color: var(--azul); flex: none; }
.dato .ico svg { width: 20px; height: 20px; }
.dato small { display: block; font-size: 12px; color: #8FA0B6; }
.dato a, .dato span { color: #fff; font-weight: 500; }
.formulario { background: #fff; border-radius: 20px; padding: 32px; color: var(--texto); box-shadow: 0 30px 60px -24px rgba(0, 0, 0, .5); }
.formulario h3 { font-size: 22px; font-weight: 600; margin-bottom: 4px; }
.formulario > p { font-size: 14px; color: var(--suave); margin-bottom: 20px; }
.campo { display: grid; gap: 6px; margin-bottom: 14px; }
.campo label { font-size: 13px; font-weight: 600; color: var(--tinta); }
.campo input, .campo select, .campo textarea {
  width: 100%; font: 400 15px "Inter", sans-serif; color: var(--tinta);
  border: 1px solid var(--borde); border-radius: 10px; padding: 11px 14px; background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.campo textarea { resize: vertical; min-height: 96px; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(55, 182, 255, .2); }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.formulario .btn { width: 100%; margin-top: 6px; }

/* Pie */
.pie { background: var(--noche-2); color: #8FA0B6; font-size: 14px; }
.pie .contenedor { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding-top: 32px; padding-bottom: 32px; }
.pie img { height: 38px; width: auto; }
.pie nav { display: flex; flex-wrap: wrap; gap: 22px; }
.pie nav a:hover { color: #fff; }
.pie-legal {
  flex-basis: 100%; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 22px;
  padding-top: 20px; padding-right: 72px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 13px;
}
.consentimiento { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; line-height: 1.5; margin: 4px 0 14px; cursor: pointer; }
.consentimiento input { flex: none; width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--azul-600); cursor: pointer; }
.consentimiento a { color: var(--azul-700); text-decoration: underline; }
.consentimiento.error { color: #C4262B; }
.trampa { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.aviso-form { margin: 12px 0 0; font-size: 13px; color: #C4262B; text-align: center; }
.aviso-form.ok { color: #0F7B4B; }
.formulario .btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* WhatsApp flotante */
.wa {
  position: fixed; right: 20px; bottom: 20px; z-index: 60; width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center; background: #25D366; color: #fff; box-shadow: 0 10px 24px rgba(0, 0, 0, .2);
  transition: transform .2s;
}
.wa:hover { transform: scale(1.06); }
.wa svg { width: 28px; height: 28px; }

/* Aparición al hacer scroll */
.revelar { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.revelar.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .revelar { opacity: 1; transform: none; transition: none; }
}

/* Responsive */
@media (max-width: 980px) {
  .hero .contenedor, .porque .contenedor, .contacto .contenedor { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .maqueta { max-width: 560px; margin: 24px auto 0; width: 100%; }
  .tarjetas { grid-template-columns: repeat(2, 1fr); }
  .porque .encabezado { position: static; }
  .pasos { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .pasos::before { display: none; }
}
@media (max-width: 820px) {
  .menu-btn { display: block; }
  .nav {
    position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--borde); padding: 8px 24px 20px;
    display: none;
  }
  .nav.abierto { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--borde); }
  .nav .btn { margin-top: 12px; border-bottom: 0; }
}
@media (max-width: 640px) {
  .contenedor { padding: 0 16px; }
  .header .logo img { height: 42px; }
  section.bloque { padding: 64px 0; }
  .tarjetas, .ventajas, .pasos, .dos { grid-template-columns: 1fr; }
  .hero .acciones .btn { flex: 1 1 100%; }
  .flotante { left: 12px; bottom: -22px; }
  .kpi strong { font-size: 15px; }
  .formulario { padding: 24px 20px; }
  .pie .contenedor { flex-direction: column; text-align: center; padding-bottom: 88px; }
  .pie-legal { flex-direction: column; justify-content: center; width: 100%; padding-right: 0; }
}