/* Demo IMPERA: mismos tokens de marca que imperahub.com */
@font-face { font-family: 'Helixa'; src: url('/fonts/Helixa-Book.woff') format('woff'); font-weight: 300; font-display: swap; }
@font-face { font-family: 'Helixa'; src: url('/fonts/Helixa-Regular.woff') format('woff'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Helixa'; src: url('/fonts/Helixa-Bold.woff') format('woff'); font-weight: 700; font-display: swap; }

:root {
  --negro: #0b0b12; --grafito: #2b2e3d; --gris: #5b6276; --linea: #d6dde8; --niebla: #f3f6fa; --blanco: #fff;
  --cian: #009fe3; --indigo: #32307e; --noche: #0e1030;
  --font: 'Helixa', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --t-sm: .875rem; --t-base: 1.0625rem; --t-md: 1.25rem; --t-lg: 1.5625rem; --t-xl: 1.953rem; --t-2xl: 2.441rem; --t-3xl: 3.052rem;
  --r: 14px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: var(--t-base); line-height: 1.6; color: var(--grafito); background: var(--blanco); -webkit-font-smoothing: antialiased; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--indigo); }
a:hover { color: var(--cian); }
:focus-visible { outline: 3px solid var(--cian); outline-offset: 2px; }
h1, h2, h3 { color: var(--negro); line-height: 1.15; margin: 0 0 .6rem; text-wrap: balance; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5vw, var(--t-3xl)); letter-spacing: -.5px; }
h2 { font-size: clamp(1.5rem, 3vw, var(--t-xl)); }
h3 { font-size: var(--t-md); }
p { margin: 0 0 1rem; }
.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: .5rem 1rem; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .75rem 1.4rem; border-radius: 999px; font: 700 var(--t-base)/1 var(--font); text-decoration: none; border: 2px solid transparent; cursor: pointer; }
.btn-primary { background: var(--indigo); color: #fff; }
.btn-primary:hover { background: #24226a; color: #fff; }
.btn-secondary { border-color: var(--negro); color: var(--negro); background: transparent; }
.btn-secondary:hover { background: var(--negro); color: #fff; }
.btn-light { background: #fff; color: var(--indigo); }
.btn-light:hover { background: #e6f6fd; color: var(--indigo); }
.btn-sm { min-height: 40px; padding: .55rem 1.1rem; font-size: var(--t-sm); }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* Encabezado */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--linea); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.brand { display: flex; align-items: center; gap: .5rem; text-decoration: none; }
.brand-word { width: 118px; height: auto; }
.badge { font: 700 .75rem var(--font); color: #fff; background: var(--cian); border-radius: 999px; padding: .2rem .6rem; }
.nav { display: flex; align-items: center; gap: 1.4rem; }
.nav a:not(.btn) { color: var(--grafito); text-decoration: none; font-weight: 400; }
.nav a[aria-current="page"] { color: var(--indigo); font-weight: 700; }
.menu-toggle { display: none; background: none; border: 2px solid var(--negro); border-radius: 999px; padding: .45rem 1rem; font: 700 var(--t-sm) var(--font); min-height: 40px; cursor: pointer; }

/* Secciones */
.hero { padding-block: clamp(3rem, 8vw, 6rem); background: radial-gradient(circle at 85% 20%, rgba(0,159,227,.12), transparent 45%); }
.hero .lead { max-width: 62ch; }
.kicker { color: var(--indigo); font-weight: 700; margin-bottom: .8rem; }
.lead { font-size: var(--t-md); color: var(--gris); max-width: 65ch; }
.acciones { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.page-head { padding-block: clamp(2.6rem, 6vw, 4rem) 1rem; }
.section { padding-block: clamp(2.6rem, 6vw, 4.5rem); }
.section-mist { background: var(--niebla); }
.titulo-seccion { margin-bottom: 1.6rem; }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3.5rem); align-items: start; }
.dos > * { min-width: 0; }
.intro { color: var(--gris); max-width: 65ch; }

.formas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.forma { display: block; padding: 1.4rem; border: 1px solid var(--linea); border-radius: var(--r); text-decoration: none; color: var(--grafito); background: #fff; }
a.forma:hover { border-color: var(--cian); color: var(--grafito); }
.forma-n { display: inline-block; font-weight: 700; color: var(--cian); margin-bottom: .5rem; }
.forma p { margin: 0; color: var(--gris); }

.socios { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.socios li { padding: 1.1rem; background: #fff; border-radius: var(--r); font: 700 var(--t-md) var(--font); color: var(--negro); border-left: 4px solid var(--cian); }

.paso { color: var(--cian); font-weight: 700; margin-bottom: .4rem; }
.numero { font: 700 clamp(2rem, 5vw, 2.8rem)/1.1 var(--font); margin: 1rem 0 .4rem; }
.numero a { color: var(--indigo); text-decoration: none; font-variant-numeric: tabular-nums; }
.nota { color: var(--gris); font-size: var(--t-sm); }
.diagrama { margin: 0; background: var(--niebla); border-radius: var(--r); padding: 1rem; }
.diagrama img { margin-inline: auto; border-radius: 8px; }
figcaption { color: var(--gris); font-size: var(--t-sm); margin-top: .6rem; }
.videos { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; margin-top: 1.4rem; }
.videos figure { margin: 0; }
.videos video { width: 100%; border-radius: var(--r); background: #000; max-height: 520px; }
.pasos { padding-left: 1.3rem; display: grid; gap: .8rem; margin: 1rem 0 1.6rem; }

.hechos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-bottom: 2.6rem; }
.hechos > div { padding: 1.3rem; background: var(--niebla); border-radius: var(--r); }
.hechos h2 { font-size: var(--t-md); }
.hechos p { margin: 0; }
.resultados { padding-left: 1.2rem; display: grid; gap: .7rem; margin-bottom: 2rem; max-width: 75ch; }

/* Contacto */
.vias { display: grid; gap: .8rem; }
.via { display: grid; gap: .1rem; padding: 1rem 1.2rem; border: 1px solid var(--linea); border-radius: var(--r); text-decoration: none; color: var(--grafito); }
.via:hover { border-color: var(--cian); color: var(--grafito); }
.via span { color: var(--gris); }
.formulario { display: grid; background: var(--niebla); border-radius: var(--r); padding: clamp(1.4rem, 3vw, 2.2rem); }
#form-campos { display: grid; gap: .5rem; }
.formulario label { font-weight: 700; color: var(--negro); margin-top: .6rem; }
.formulario input, .formulario select, .formulario textarea { font: inherit; color: var(--negro); background: #fff; border: 1px solid #b9c3d3; border-radius: 8px; padding: .75rem .9rem; min-height: 48px; width: 100%; }
.formulario input:focus, .formulario select:focus, .formulario textarea:focus { outline: 3px solid var(--cian); outline-offset: 1px; border-color: var(--cian); }
.formulario .check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; font-size: var(--t-sm); color: var(--grafito); }
.formulario .check input { width: 20px; height: 20px; min-height: 0; margin-top: .15rem; flex: none; }
.formulario .btn { justify-self: start; margin-top: 1rem; }
.form-error { color: #b42318; font-weight: 700; margin: .4rem 0 0; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.aviso { padding: 1rem 1.2rem; border-radius: 10px; font-weight: 700; margin-top: 1rem; }
.aviso.ok { background: #e7f8ee; color: #146c3a; }
.aviso.error { background: #fdecea; color: #b42318; }
[hidden] { display: none !important; }

/* Banda final y pie */
.cta { background: linear-gradient(120deg, var(--indigo), #1f1d5c); color: #fff; padding-block: clamp(2.4rem, 6vw, 3.6rem); }
.cta h2 { color: #fff; }
.cta p { color: #dfe3ff; margin: 0; }
.cta-fila { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.site-footer { background: var(--noche); color: #c9cde8; padding-block: 3rem 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
.footer-word { filter: invert(1) brightness(2); width: 140px; height: auto; margin-bottom: 1rem; }
.site-footer h2 { color: #fff; font-size: var(--t-base); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .4rem; }
.site-footer a { color: #c9cde8; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-legal { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.12); font-size: var(--t-sm); }

/* WhatsApp flotante: arriba del botón del chat de 3CX */
.float-wa { position: fixed; right: 22px; bottom: calc(110px + env(safe-area-inset-bottom, 0px)); z-index: 60; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: #25d366; color: #fff; box-shadow: 0 6px 18px rgba(0,0,0,.2); }
.float-wa:hover { background: #1eb758; color: #fff; }

@media (max-width: 960px) {
  .formas { grid-template-columns: 1fr 1fr; }
  .dos, .videos, .hechos { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .menu-toggle { display: inline-flex; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--linea); padding: .5rem 16px 1rem; }
  .nav.abierto { display: flex; }
  .nav a:not(.btn) { padding: .8rem 0; border-bottom: 1px solid var(--linea); }
  .nav .btn { margin-top: .8rem; }
  .formas { grid-template-columns: 1fr; }
  .socios { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }