/* =========================================================
   ZENTRIA — Landing
   Sistema de diseño propio. Sin frameworks externos.
   ========================================================= */

:root {
  /* Paleta */
  --abismo:    #0A1F4D;   /* azul institucional profundo */
  --zentria:   #1565D8;   /* primario, núcleo de marca */
  --royal:     #0B3FA8;   /* sombra del primario */
  --cyan:      #3B9EFF;   /* acento, nodos orbitales */
  --cyan-soft: #8AC0FF;
  --lino:      #F5F7FB;   /* fondo claro */
  --lino-2:    #EDF1F8;
  --blanco:    #FFFFFF;
  --tinta:     #0B1626;   /* texto principal */
  --niebla:    #5B6B85;   /* texto secundario */
  --linea:     #DBE3F0;   /* bordes sutiles */

  /* Tipografía */
  --display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --body:    'Inter', system-ui, -apple-system, sans-serif;

  /* Métrica */
  --maxw: 1160px;
  --r-s: 10px;
  --r-m: 18px;
  --r-l: 28px;
  --sombra-card: 0 18px 40px -22px rgba(10,31,77,0.30);
  --sombra-soft: 0 8px 24px -14px rgba(10,31,77,0.25);
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  color: var(--tinta);
  background: var(--lino);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .display { font-family: var(--display); font-weight: 600; line-height: 1.12; letter-spacing: -0.01em; }

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--display); font-weight: 500; font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--zentria);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--cyan); border-radius: 2px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--display); font-weight: 500; font-size: .98rem;
  padding: 14px 26px; border-radius: 999px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--zentria), var(--royal));
  color: var(--blanco); box-shadow: 0 12px 28px -12px rgba(21,101,216,.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -12px rgba(21,101,216,.7); }
.btn-ghost { background: transparent; color: var(--abismo); border-color: var(--linea); }
.btn-ghost:hover { border-color: var(--zentria); color: var(--zentria); transform: translateY(-2px); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,247,251,.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s, background .3s;
}
.nav.scrolled { border-bottom-color: var(--linea); background: rgba(245,247,251,.94); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg, .brand img { width: 38px; height: 38px; }
.brand .word { font-family: var(--display); font-weight: 600; font-size: 1.28rem; letter-spacing: .06em; color: var(--abismo); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: .94rem; color: var(--niebla); font-weight: 500; transition: color .2s; white-space: nowrap; }
.nav-links a:hover { color: var(--abismo); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--abismo); border-radius: 2px; margin: 5px 0; transition: .3s; }
.nav-links .m-only { display: none !important; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 72px 0 96px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 78% 18%, rgba(59,158,255,.14), transparent 70%),
    radial-gradient(50% 45% at 8% 80%, rgba(21,101,216,.10), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: relative; display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 56px; align-items: center;
}
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.7rem); color: var(--abismo); }
.hero h1 .accent {
  background: linear-gradient(120deg, var(--zentria), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { margin-top: 22px; font-size: 1.16rem; color: var(--niebla); max-width: 38ch; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-meta { margin-top: 38px; display: flex; gap: 30px; flex-wrap: wrap; }
.hero-meta .stat .n { font-family: var(--display); font-weight: 600; font-size: 1.5rem; color: var(--abismo); }
.hero-meta .stat .l { font-size: .82rem; color: var(--niebla); letter-spacing: .02em; }

/* Sistema orbital animado (firma) */
.orbit-stage { position: relative; aspect-ratio: 1; max-width: 440px; margin-inline: auto; width: 100%; }
.orbit-ring { position: absolute; inset: 0; border-radius: 50%; border: 1.5px solid var(--cyan-soft); opacity: .55; }
.orbit-ring.r2 { inset: 12%; opacity: .35; border-style: dashed; }
.orbit-ring.r3 { inset: 24%; opacity: .25; }
.orbit-spin { position: absolute; inset: 0; animation: spin 26s linear infinite; }
.orbit-spin.rev { animation-duration: 40s; animation-direction: reverse; }
.node {
  position: absolute; width: 18px; height: 18px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #E3F1FF, #54A4FF 60%, #1E78F0);
  box-shadow: 0 0 0 5px rgba(59,158,255,.14), 0 6px 14px -4px rgba(21,101,216,.6);
  top: -9px; left: calc(50% - 9px);
}
.orbit-spin.r2-host .node { width: 13px; height: 13px; top: auto; bottom: -6px; left: calc(50% - 6px); }
.orbit-core {
  position: absolute; inset: 30%; border-radius: 50%;
  background: radial-gradient(circle at 38% 30%, #4D93F2, #1565D8 44%, #0A3A9E);
  box-shadow: 0 24px 50px -18px rgba(10,58,158,.65), inset 0 -8px 24px rgba(7,32,90,.45);
  display: grid; place-items: center;
}
.orbit-core .label {
  font-family: var(--display); font-weight: 600; color: #fff;
  font-size: clamp(.95rem, 2.4vw, 1.35rem); letter-spacing: .12em;
}
.orbit-core::after {
  content: ""; position: absolute; top: 14%; left: 16%; width: 40%; height: 28%;
  border-radius: 50%; background: #fff; opacity: .16; filter: blur(2px);
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Secciones ---------- */
section { position: relative; }
.section { padding: 92px 0; }
.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); color: var(--abismo); margin-top: 14px; }
.section-head p { margin-top: 16px; color: var(--niebla); font-size: 1.08rem; }
.bg-soft { background: var(--blanco); }
.bg-deep {
  background:
    radial-gradient(70% 120% at 85% 0%, rgba(59,158,255,.10), transparent 60%),
    linear-gradient(180deg, var(--abismo), #071436);
  color: #DCE6F7;
}
.bg-deep .section-head h2 { color: #fff; }
.bg-deep .section-head p { color: #A7BBDC; }
.bg-deep .eyebrow { color: var(--cyan-soft); }

/* Pilares */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m);
  padding: 30px; box-shadow: var(--sombra-soft);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sombra-card); border-color: var(--cyan-soft); }
.card .ico {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(21,101,216,.12), rgba(59,158,255,.18));
  color: var(--zentria); margin-bottom: 18px;
}
.card .ico svg { width: 26px; height: 26px; }
.card h3 { font-size: 1.22rem; color: var(--abismo); }
.card p { margin-top: 10px; color: var(--niebla); font-size: .98rem; }

/* Capacidades (motor) sobre fondo profundo */
.cap { display: flex; gap: 16px; padding: 22px; border-radius: var(--r-m); background: rgba(255,255,255,.04); border: 1px solid rgba(138,192,255,.16); }
.cap .dot { flex: none; width: 12px; height: 12px; margin-top: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(59,158,255,.16); }
.cap h3 { color: #fff; font-size: 1.1rem; }
.cap p { color: #A7BBDC; margin-top: 6px; font-size: .95rem; }

/* Fundamento científico */
.science-list { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.chip {
  font-family: var(--display); font-size: .9rem; font-weight: 500;
  padding: 9px 16px; border-radius: 999px; background: var(--blanco);
  border: 1px solid var(--linea); color: var(--abismo);
}
.chip span { color: var(--zentria); }

/* Cumplimiento */
.legal { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.legal .item { text-align: left; padding: 24px; border-radius: var(--r-m); background: var(--lino-2); border: 1px solid var(--linea); }
.legal .item .k { font-family: var(--display); font-weight: 600; color: var(--zentria); font-size: 1.05rem; }
.legal .item .v { margin-top: 8px; color: var(--niebla); font-size: .92rem; }

/* Pipeline */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.flow .step { position: relative; padding: 26px 22px; background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m); }
.flow .step .num {
  font-family: var(--display); font-weight: 600; font-size: .85rem; color: var(--cyan);
  letter-spacing: .1em;
}
.flow .step h3 { margin-top: 8px; font-size: 1.08rem; color: var(--abismo); }
.flow .step p { margin-top: 8px; color: var(--niebla); font-size: .92rem; }

/* CTA / Contacto */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: clamp(1.9rem,3.2vw,2.5rem); color: #fff; }
.contact-info p { color: #A7BBDC; margin-top: 16px; font-size: 1.05rem; }
.contact-info .line { display: flex; align-items: center; gap: 12px; margin-top: 22px; color: #DCE6F7; font-weight: 500; }
.contact-info .line svg { width: 20px; height: 20px; color: var(--cyan-soft); flex: none; }

.form {
  background: var(--blanco); border-radius: var(--r-l); padding: 34px;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.5);
}
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .85rem; font-weight: 500; color: var(--abismo); margin-bottom: 7px; font-family: var(--display); }
.field input, .field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--linea); border-radius: var(--r-s);
  font-family: var(--body); font-size: .98rem; color: var(--tinta); background: var(--lino);
  transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--zentria); background: #fff;
  box-shadow: 0 0 0 4px rgba(21,101,216,.12);
}
.field.hp { position: absolute; left: -9999px; opacity: 0; }
.form .btn { width: 100%; margin-top: 6px; }
.form-note { margin-top: 14px; font-size: .82rem; color: var(--niebla); text-align: center; }
.form-msg { margin-top: 16px; padding: 13px 16px; border-radius: var(--r-s); font-size: .92rem; display: none; }
.form-msg.ok { display: block; background: rgba(21,101,216,.08); color: var(--royal); border: 1px solid rgba(21,101,216,.25); }
.form-msg.err { display: block; background: #FEF2F2; color: #B42318; border: 1px solid #FECACA; }

/* ---------- Footer ---------- */
.footer { background: #071436; color: #93A6CC; padding: 56px 0 36px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; align-items: flex-start; }
.footer .brand .word { color: #fff; }
.footer-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-cols h4 { font-family: var(--display); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--cyan-soft); margin-bottom: 14px; }
.footer-cols a, .footer-cols span { display: block; font-size: .94rem; color: #93A6CC; margin-bottom: 9px; transition: color .2s; }
.footer-cols a:hover { color: #fff; }
.footer-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(147,166,204,.16); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .85rem; }

/* ---------- Modal ---------- */
.modal-back { position: fixed; inset: 0; background: rgba(7,20,54,.6); backdrop-filter: blur(4px); display: none; place-items: center; z-index: 100; padding: 24px; }
.modal-back.open { display: grid; }
.modal {
  background: #fff; border-radius: var(--r-l); padding: 38px; max-width: 420px; width: 100%;
  text-align: center; box-shadow: 0 40px 80px -30px rgba(0,0,0,.6);
  animation: pop .35s var(--ease);
}
@keyframes pop { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal .badge { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 18px; background: linear-gradient(135deg, var(--zentria), var(--cyan)); color: #fff; }
.modal .badge svg { width: 30px; height: 30px; }
.modal h3 { color: var(--abismo); font-size: 1.4rem; }
.modal p { color: var(--niebla); margin-top: 10px; }
.modal .btn { margin-top: 22px; }

/* ---------- Reveal (progressive enhancement) ---------- */
/* Visible por defecto; solo se oculta para animar si el JS está activo. */
.reveal { opacity: 1; transform: none; }
html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .orbit-stage { max-width: 360px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .legal { grid-template-columns: repeat(2,1fr); }
  .flow { grid-template-columns: repeat(2,1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column;
    background: var(--blanco); padding: 20px 24px; gap: 18px; border-bottom: 1px solid var(--linea);
    box-shadow: var(--sombra-soft);
  }
  .nav-links.open .m-only { display: block !important; color: var(--zentria); font-weight: 600; }
}
@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .legal, .flow { grid-template-columns: 1fr; }
  .hero-meta { gap: 22px; }
  .form { padding: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; scroll-behavior: auto !important; }
  .reveal, html.js .reveal { opacity: 1 !important; transform: none !important; }
}

/* =========================================================
   PÁGINAS INTERNAS (sitio multipágina)
   ========================================================= */

/* Nav: clase de enlace y estado activo */
.nav-links .nav-link {
  font-size: .94rem; color: var(--niebla); font-weight: 500; white-space: nowrap;
  background: none; border: none; cursor: pointer; font-family: var(--body);
  display: inline-flex; align-items: center; gap: 5px; transition: color .2s;
}
.nav-links .nav-link:hover { color: var(--abismo); }
.nav-links .nav-link.is-active { color: var(--zentria); }

/* Dropdown "Recursos" */
.dropdown { position: relative; }
.dd-menu {
  position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%) translateY(8px);
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m);
  box-shadow: var(--sombra-card); padding: 10px; min-width: 230px;
  opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s; z-index: 60;
}
.dropdown:hover .dd-menu, .dropdown:focus-within .dd-menu, .dd-menu.open {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.dd-menu a {
  display: block; padding: 10px 14px; border-radius: var(--r-s);
  font-size: .92rem; color: var(--tinta); transition: background .15s, color .15s;
}
.dd-menu a:hover { background: var(--lino); color: var(--zentria); }

/* Cabecera de páginas internas */
.page-hero { position: relative; padding: 72px 0 56px; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(55% 60% at 88% 10%, rgba(59,158,255,.12), transparent 70%);
  pointer-events: none;
}
.page-hero .inner { position: relative; max-width: 720px; }
.page-hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.1rem); color: var(--abismo); margin-top: 14px; }
.page-hero h1 .accent { background: linear-gradient(120deg, var(--zentria), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-hero p.lead { margin-top: 18px; font-size: 1.15rem; color: var(--niebla); max-width: 56ch; }
.page-hero .hero-actions { margin-top: 28px; }

/* Filas de característica alternadas (producto) */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 56px 0; border-bottom: 1px solid var(--linea); }
.feature-row:last-child { border-bottom: none; }
.feature-row.flip .media { order: -1; }
.feature-row h3 { font-size: 1.6rem; color: var(--abismo); }
.feature-row p { margin-top: 14px; color: var(--niebla); font-size: 1.04rem; }
.feature-row ul { margin-top: 18px; list-style: none; display: grid; gap: 12px; }
.feature-row ul li { position: relative; padding-left: 30px; color: var(--tinta); font-size: .98rem; }
.feature-row ul li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%;
  background: linear-gradient(135deg, var(--zentria), var(--cyan));
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}
.media-panel {
  border-radius: var(--r-l); padding: 40px; min-height: 280px;
  background: linear-gradient(150deg, #EAF1FE, #DCE8FC); border: 1px solid var(--linea);
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.media-panel .glyph { width: 120px; height: 120px; color: var(--zentria); opacity: .9; }

/* Precios */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan {
  display: flex; flex-direction: column; background: var(--blanco); border: 1px solid var(--linea);
  border-radius: var(--r-l); padding: 32px; box-shadow: var(--sombra-soft);
}
.plan.featured { border-color: var(--zentria); box-shadow: 0 24px 50px -24px rgba(21,101,216,.45); position: relative; }
.plan .tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--zentria), var(--cyan)); color: #fff;
  font-family: var(--display); font-size: .74rem; font-weight: 600; letter-spacing: .08em;
  padding: 6px 16px; border-radius: 999px; text-transform: uppercase;
}
.plan h3 { font-size: 1.3rem; color: var(--abismo); }
.plan .price { font-family: var(--display); font-weight: 600; font-size: 2.2rem; color: var(--abismo); margin: 14px 0 4px; }
.plan .price small { font-size: .9rem; color: var(--niebla); font-weight: 500; }
.plan .desc { color: var(--niebla); font-size: .95rem; min-height: 44px; }
.plan ul { list-style: none; margin: 22px 0; display: grid; gap: 12px; flex: 1; }
.plan ul li { position: relative; padding-left: 28px; font-size: .95rem; color: var(--tinta); }
.plan ul li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 17px; height: 17px; border-radius: 50%;
  background: rgba(21,101,216,.12);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231565D8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
}
.plan ul li::after {
  content: ""; position: absolute; left: 0; top: 3px; width: 17px; height: 17px; border-radius: 50%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231565D8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
}
.plan .btn { width: 100%; }
.pricing-note { text-align: center; margin-top: 28px; color: var(--niebla); font-size: .95rem; }

/* Casos de uso / industrias */
.usecases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.usecase { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m); padding: 28px; box-shadow: var(--sombra-soft); transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s; }
.usecase:hover { transform: translateY(-4px); box-shadow: var(--sombra-card); border-color: var(--cyan-soft); }
.usecase .ico { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(21,101,216,.12), rgba(59,158,255,.18)); color: var(--zentria); margin-bottom: 16px; }
.usecase .ico svg { width: 24px; height: 24px; }
.usecase h3 { font-size: 1.18rem; color: var(--abismo); }
.usecase p { margin-top: 10px; color: var(--niebla); font-size: .96rem; }

/* Prosa (Sobre ZENTRIA, textos largos) */
.prose { max-width: 720px; }
.prose p { color: var(--niebla); font-size: 1.06rem; margin-bottom: 18px; }
.prose h3 { color: var(--abismo); font-size: 1.4rem; margin: 36px 0 12px; }
.values { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 12px; }
.value { padding: 24px; border-radius: var(--r-m); background: var(--lino-2); border: 1px solid var(--linea); }
.value h4 { font-family: var(--display); color: var(--zentria); font-size: 1.05rem; }
.value p { margin-top: 8px; color: var(--niebla); font-size: .94rem; }

/* Banda CTA (antes del footer) */
.cta-band { background: linear-gradient(140deg, var(--zentria), var(--royal)); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.2rem); max-width: 22ch; }
.cta-inner p { color: rgba(255,255,255,.85); margin-top: 10px; max-width: 46ch; }
.btn-light { background: #fff; color: var(--royal); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 16px 32px -14px rgba(0,0,0,.4); }

/* Contacto en página propia */
.contact-page { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-page .form { background: var(--blanco); }

@media (max-width: 980px) {
  .feature-row { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; }
  .feature-row.flip .media { order: 0; }
  .pricing { grid-template-columns: 1fr; }
  .usecases { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr; }
  .contact-page { grid-template-columns: 1fr; gap: 32px; }
  .dropdown { width: 100%; }
  .dd-menu {
    position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none;
    border: none; padding: 4px 0 4px 14px; min-width: 0; background: transparent;
  }
  .dd-toggle { display: none; }
  .m-cta { color: var(--zentria) !important; font-weight: 600; }
}

/* =========================================================
   IMÁGENES (fotografía de apoyo)
   ========================================================= */
.feature-row .media img {
  width: 100%; height: 360px; object-fit: cover;
  border-radius: var(--r-l); box-shadow: var(--sombra-card); display: block;
}

/* Banda dividida imagen + texto */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split.flip .split-media { order: -1; }
.split-media img { width: 100%; height: 380px; object-fit: cover; border-radius: var(--r-l); box-shadow: var(--sombra-card); display: block; }
.split h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); color: var(--abismo); }
.split p { margin-top: 14px; color: var(--niebla); font-size: 1.05rem; }
.split ul { margin-top: 18px; list-style: none; display: grid; gap: 12px; }
.split ul li { position: relative; padding-left: 30px; color: var(--tinta); font-size: .98rem; }
.split ul li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%;
  background: linear-gradient(135deg, var(--zentria), var(--cyan));
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}

/* Imagen ancha tipo cabecera (banner) con tinte de marca */
.banner { position: relative; border-radius: var(--r-l); overflow: hidden; box-shadow: var(--sombra-card); }
.banner img { width: 100%; height: 320px; object-fit: cover; display: block; }
.banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(10,31,77,.55), rgba(21,101,216,.18)); }

@media (max-width: 980px) {
  .split { grid-template-columns: 1fr; gap: 28px; }
  .split.flip .split-media { order: 0; }
  .feature-row .media img { height: 260px; }
  .split-media img { height: 280px; }
  .banner img { height: 220px; }
}

/* =========================================================
   v3.1 — Tarjetas con foto + pasos ilustrados + acentos
   ========================================================= */
.card.has-img { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.card.has-img .card-photo { height: 172px; overflow: hidden; }
.card.has-img .card-photo img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .55s var(--ease); }
.card.has-img:hover .card-photo img { transform: scale(1.06); }
.card.has-img .card-body { padding: 24px 26px 28px; }
.card.has-img .card-body h3 { font-size: 1.2rem; color: var(--abismo); }
.card.has-img .card-body p { margin-top: 10px; color: var(--niebla); font-size: .97rem; }

/* Pasos compactos junto a imagen */
.steps-mini { display: grid; gap: 18px; margin-top: 24px; }
.stepm { display: flex; gap: 15px; align-items: flex-start; }
.stepm .n { width: 32px; height: 32px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--zentria), var(--cyan)); color: #fff; font-family: var(--display); font-weight: 600; font-size: .92rem; }
.stepm strong { display: block; color: var(--abismo); font-family: var(--display); font-size: 1.03rem; }
.stepm p { margin-top: 3px; color: var(--niebla); font-size: .93rem; }

/* Banner con texto encima (publicitario) */
.banner-hero { position: relative; border-radius: var(--r-l); overflow: hidden; box-shadow: var(--sombra-card); }
.banner-hero img { width: 100%; height: 340px; object-fit: cover; display: block; }
.banner-hero .cap { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 34px 38px; background: linear-gradient(90deg, rgba(7,20,54,.82) 0%, rgba(10,31,77,.5) 45%, rgba(10,31,77,.12) 100%); }
.banner-hero .cap h3 { color: #fff; font-family: var(--display); font-size: clamp(1.3rem, 2.4vw, 1.8rem); max-width: 20ch; }
.banner-hero .cap p { color: #DCE6F7; margin-top: 8px; max-width: 44ch; font-size: 1rem; }
@media (max-width: 700px) {
  .banner-hero img { height: 260px; }
  .banner-hero .cap { padding: 22px; background: linear-gradient(0deg, rgba(7,20,54,.9), rgba(10,31,77,.35)); }
}

/* Imagen en la columna de contacto */
.contact-photo { margin-top: 26px; border-radius: var(--r-l); overflow: hidden; box-shadow: var(--sombra-soft); }
.contact-photo img { width: 100%; height: 260px; object-fit: cover; display: block; }
@media (max-width: 980px) { .contact-photo img { height: 220px; } }

/* =========================================================
   v4.0 — Sistema visual premium (encuadre, dinamismo)
   ========================================================= */

/* Encuadre de imagen con profundidad de marca */
.img-frame { position: relative; display: block; }
.img-frame::before {
  content: ""; position: absolute; inset: 0; transform: translate(20px, 20px);
  border-radius: var(--r-l); z-index: 0;
  background: linear-gradient(135deg, rgba(21,101,216,.20), rgba(59,158,255,.10));
}
.img-frame img {
  position: relative; z-index: 1; width: 100%; display: block;
  border-radius: var(--r-l); box-shadow: 0 34px 64px -34px rgba(10,31,77,.55);
}

/* Feature rows (Producto): imagen enmarcada + más aire */
.feature-row .media img { box-shadow: none; border-radius: var(--r-l); }
.feature-row .media { position: relative; }
.feature-row .media::before {
  content: ""; position: absolute; inset: 0; transform: translate(20px, 20px);
  border-radius: var(--r-l); z-index: 0;
  background: linear-gradient(135deg, rgba(21,101,216,.18), rgba(59,158,255,.08));
}
.feature-row .media img { position: relative; z-index: 1; box-shadow: 0 30px 60px -32px rgba(10,31,77,.5); }
.feature-row .media .float { z-index: 2; }

/* Tarjetas dinámicas (valores, legal, etc.) */
.vgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.vcard {
  position: relative; background: var(--blanco); border: 1px solid var(--linea);
  border-radius: var(--r-m); padding: 30px 28px; overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.vcard::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--zentria), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.vcard:hover { transform: translateY(-5px); box-shadow: var(--sombra-card); border-color: var(--cyan-soft); }
.vcard:hover::before { transform: scaleX(1); }
.vcard .vico {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(21,101,216,.12), rgba(59,158,255,.14));
  color: var(--zentria); margin-bottom: 18px;
}
.vcard .vico svg { width: 24px; height: 24px; }
.vcard h3 { color: var(--abismo); font-size: 1.16rem; }
.vcard p { margin-top: 9px; color: var(--niebla); font-size: .96rem; }

/* Línea de tiempo vertical (Cómo funciona — split) */
.vtimeline { display: grid; margin-top: 26px; }
.vstep { display: flex; gap: 16px; padding-bottom: 24px; position: relative; }
.vstep:last-child { padding-bottom: 0; }
.vstep .vd {
  width: 42px; height: 42px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--zentria), var(--cyan)); color: #fff;
  font-family: var(--display); font-weight: 600; font-size: 1.02rem; z-index: 2;
  box-shadow: 0 8px 18px -6px rgba(21,101,216,.5);
}
.vstep:not(:last-child)::before {
  content: ""; position: absolute; left: 20px; top: 42px; height: calc(100% - 42px); width: 2px;
  background: linear-gradient(var(--cyan), var(--linea)); z-index: 1;
}
.vstep h4 { color: var(--abismo); font-family: var(--display); font-size: 1.06rem; }
.vstep p { margin-top: 3px; color: var(--niebla); font-size: .94rem; }

/* Línea de tiempo horizontal (página Cómo funciona) */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 40px; }
.tl-step { position: relative; padding: 0 16px; text-align: center; }
.tl-step .tl-dot {
  width: 58px; height: 58px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--zentria), var(--cyan)); color: #fff;
  font-family: var(--display); font-weight: 600; font-size: 1.4rem; z-index: 2; position: relative;
  box-shadow: 0 12px 26px -8px rgba(21,101,216,.55);
}
.tl-step::before {
  content: ""; position: absolute; top: 29px; left: -50%; width: 100%; height: 2px;
  background: var(--linea); z-index: 1;
}
.tl-step:first-child::before { display: none; }
.tl-step h3 { font-size: 1.06rem; color: var(--abismo); }
.tl-step p { margin-top: 7px; color: var(--niebla); font-size: .93rem; }

@media (max-width: 860px) {
  .vgrid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; gap: 26px; }
  .tl-step { text-align: left; display: flex; gap: 16px; padding: 0; align-items: flex-start; }
  .tl-step::before { display: none; }
  .tl-step .tl-dot { margin: 0; width: 48px; height: 48px; font-size: 1.15rem; }
  .img-frame::before, .feature-row .media::before { transform: translate(12px, 12px); }
}

/* Grid legal (cumplimiento) con tarjetas dinámicas */
.legal-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.vtag { display: inline-block; font-family: var(--display); font-weight: 600; font-size: .92rem; color: var(--zentria);
  background: linear-gradient(135deg, rgba(21,101,216,.12), rgba(59,158,255,.14)); padding: 8px 14px; border-radius: 10px; margin-bottom: 14px; }
.legal-grid .vcard p { margin-top: 0; }
@media (max-width: 860px) { .legal-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .legal-grid { grid-template-columns: 1fr; } }

/* =========================================================
   v4.1 — Iconos en pasos + tarjetas de autores uniformes
   ========================================================= */
.vstep h4 { display: flex; align-items: center; gap: 9px; }
.vsi { display: inline-flex; color: var(--zentria); flex: none; }
.vsi svg { width: 18px; height: 18px; }
.tl-ic { display: inline-flex; color: var(--zentria); margin-bottom: 8px; }
.tl-ic svg { width: 22px; height: 22px; }

.authors-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.acard { position: relative; background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m);
  padding: 20px 18px; overflow: hidden; transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease); }
.acard::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--zentria), var(--cyan)); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.acard:hover { transform: translateY(-4px); box-shadow: var(--sombra-card); border-color: var(--cyan-soft); }
.acard:hover::before { transform: scaleX(1); }
.acard strong { display: block; color: var(--abismo); font-family: var(--display); font-size: 1.02rem; }
.acard span { display: block; margin-top: 5px; color: var(--niebla); font-size: .88rem; }
@media (max-width: 900px) { .authors-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .authors-grid { grid-template-columns: 1fr; } }

/* =========================================================
   VIDEO SHOWCASE  (v4.2)
   Reproductor nativo full-width, responsivo, sin recortes.
   ========================================================= */
.video-band { padding: 84px 0; }
.video-band .section-head { max-width: 680px; margin-inline: auto; text-align: center; margin-bottom: 40px; }
.video-band .section-head p { margin-inline: auto; }

/* Escenario: ocupa el ancho del navegador (hasta 1400px) sin
   exceder la altura útil de la ventana (min con 146vh preserva 16:9). */
.video-stage { width: 100%; max-width: min(1400px, 146vh); margin-inline: auto; }

.video-shell {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-l);
  overflow: hidden;
  background: #05122E;
  border: 1px solid rgba(59, 158, 255, 0.20);
  box-shadow: 0 44px 96px -46px rgba(5, 18, 46, 0.78);
}
.video-shell video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;   /* fuente 16:9 = llena sin barras ni recorte */
  background: #05122E;
  display: block;
}
.video-cap {
  margin-top: 18px;
  text-align: center;
  color: var(--niebla);
  font-size: .95rem;
}

@media (max-width: 700px) {
  .video-band { padding: 56px 0; }
  .video-shell { border-radius: var(--r-m); }
}

/* =========================================================
   v4.3 — Fundamento: la ciencia convertida en decisiones
   Mapeo Fundamento -> Cómo lo aplica ZENTRIA. Clases .sf-*
   exclusivas de fundamento.html (aditivo, sin efectos globales).
   ========================================================= */
.sf-head {
  display: grid; grid-template-columns: 1fr 46px 1fr; align-items: center;
  padding: 0 20px 12px; margin-bottom: 4px; border-bottom: 1px solid var(--linea);
}
.sf-head span {
  font-family: var(--display); font-weight: 500; font-size: .76rem;
  letter-spacing: .13em; text-transform: uppercase; color: var(--niebla);
}
.sf-head span:last-child { color: var(--zentria); text-align: left; }
.sf-head .sf-mid { content: ""; }

.science-flow { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; }
.sf-row { display: grid; grid-template-columns: 1fr 46px 1fr; align-items: stretch; }
.sf-from, .sf-to {
  border: 1px solid var(--linea); border-radius: var(--r-m); padding: 18px 20px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.sf-from { background: var(--blanco); border-left: 3px solid var(--cyan); }
.sf-to {
  display: flex; align-items: center; color: var(--tinta); font-size: .98rem;
  background: linear-gradient(180deg, rgba(21,101,216,.045), rgba(59,158,255,.06));
  border-color: rgba(21,101,216,.18);
}
.sf-row:hover .sf-from,
.sf-row:hover .sf-to { border-color: var(--cyan-soft); box-shadow: var(--sombra-soft); transform: translateY(-2px); }
.sf-from strong { display: block; font-family: var(--display); font-size: 1.05rem; color: var(--abismo); }
.sf-from em { display: block; margin-top: 5px; font-style: normal; font-size: .82rem; color: var(--niebla); }
.sf-arrow { display: grid; place-items: center; color: var(--zentria); }
.sf-arrow svg { width: 20px; height: 20px; }

.sf-close {
  margin: 30px auto 0; max-width: 62ch; text-align: center;
  font-family: var(--display); font-weight: 500; font-size: 1.08rem; color: var(--abismo);
}
.sf-close span { color: var(--zentria); }

@media (max-width: 760px) {
  .sf-head { display: none; }
  .sf-row { grid-template-columns: 1fr; gap: 8px; }
  .sf-arrow { transform: rotate(90deg); padding: 3px 0; }
  .sf-to { justify-content: flex-start; }
}

/* =========================================================
   v4.4.1 — Hero: promesa central (la frase que vende)
   Declaración separada del lead, con acento y peso propio.
   Clase exclusiva de index.html.
   ========================================================= */
.hero-promise {
  position: relative;
  margin-top: 32px; padding-top: 26px;
  max-width: 34ch;
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.2rem, 2vw, 1.55rem); line-height: 1.5;
  color: var(--abismo); letter-spacing: -0.01em;
}
.hero-promise::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 56px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--zentria), var(--cyan));
}
.hero-promise b {
  font-weight: 700; color: var(--zentria);
  background: linear-gradient(120deg, var(--zentria), var(--cyan));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
@media (max-width: 700px) {
  .hero-promise { margin-top: 26px; padding-top: 22px; font-size: 1.18rem; max-width: none; }
}

/* =========================================================
   v4.5 — "Cómo funciona": método propio
   Componentes exclusivos de como-funciona.html (aditivos).
   ========================================================= */
.sec-tag { margin-top: 26px; font-family: var(--display); font-weight: 600;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem); color: var(--abismo); }
.sec-tag span { background: linear-gradient(120deg, var(--zentria), var(--cyan));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: var(--zentria); }
.bg-deep .sec-tag { color: #fff; }

.proc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
.proc-card { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m);
  padding: 28px 26px 26px; box-shadow: var(--sombra-soft);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s; }
.proc-card:hover { transform: translateY(-4px); box-shadow: var(--sombra-card); border-color: var(--cyan-soft); }
.proc-top { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.proc-n { flex: none; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  font-family: var(--display); font-weight: 700; font-size: 1.15rem; color: #fff;
  background: linear-gradient(135deg, var(--zentria), var(--royal)); box-shadow: 0 10px 22px -12px rgba(21,101,216,.6); }
.proc-ic { color: var(--zentria); display: inline-flex; }
.proc-ic svg { width: 22px; height: 22px; }
.proc-card h3 { font-size: 1.12rem; color: var(--abismo); }
.proc-card p { margin-top: 9px; color: var(--niebla); font-size: .96rem; }
@media (max-width: 900px) { .proc-grid { grid-template-columns: 1fr; } }

.contrast { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 40px; }
.ct-card { border-radius: var(--r-m); padding: 30px; border: 1px solid var(--linea); background: var(--blanco); }
.ct-card h3 { display: flex; align-items: center; gap: 12px; font-size: 1.15rem; color: var(--abismo); }
.ct-ic { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; flex: none; }
.ct-ic svg { width: 20px; height: 20px; }
.ct-card ul { list-style: none; margin-top: 18px; display: grid; gap: 11px; }
.ct-card li { position: relative; padding-left: 24px; color: var(--tinta); font-size: .97rem; }
.ct-card li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 8px; height: 8px; border-radius: 50%; }
.ct-change { border-top: 3px solid var(--cyan); }
.ct-change .ct-ic { background: rgba(59,158,255,.14); color: var(--cyan); }
.ct-change li::before { background: var(--cyan); }
.ct-keep { border-top: 3px solid var(--zentria); background: linear-gradient(180deg, rgba(21,101,216,.045), rgba(59,158,255,.05)); }
.ct-keep .ct-ic { background: rgba(21,101,216,.14); color: var(--zentria); }
.ct-keep li::before { background: var(--zentria); }
@media (max-width: 780px) { .contrast { grid-template-columns: 1fr; } }

.motor-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 44px; }
.motor-card { padding: 24px 20px; border-radius: var(--r-m); background: rgba(255,255,255,.04);
  border: 1px solid rgba(138,192,255,.18); transition: transform .25s var(--ease), border-color .25s; }
.motor-card:hover { transform: translateY(-4px); border-color: var(--cyan-soft); }
.motor-ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(59,158,255,.22), rgba(21,101,216,.28)); color: var(--cyan-soft); }
.motor-ic svg { width: 22px; height: 22px; }
.motor-card h3 { color: #fff; font-size: 1.08rem; }
.motor-card p { color: #A7BBDC; margin-top: 8px; font-size: .9rem; line-height: 1.5; }
@media (max-width: 1000px) { .motor-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .motor-grid { grid-template-columns: 1fr; } }

.dual { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 36px; }
.dual-card { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m); padding: 28px; box-shadow: var(--sombra-soft); }
.dual-card .k { font-family: var(--display); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--zentria); }
.dual-card h3 { margin-top: 10px; font-size: 1.2rem; color: var(--abismo); }
.dual-card p { margin-top: 10px; color: var(--niebla); font-size: .98rem; }
@media (max-width: 780px) { .dual { grid-template-columns: 1fr; } }

.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 32px; margin-top: 40px; }
.check-item { display: flex; gap: 13px; align-items: flex-start; padding: 15px 0; border-bottom: 1px solid var(--linea); }
.check-item .ck { flex: none; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  background: rgba(21,101,216,.1); color: var(--zentria); margin-top: 1px; }
.check-item .ck svg { width: 15px; height: 15px; }
.check-item strong { display: block; font-family: var(--display); font-weight: 600; color: var(--abismo); font-size: 1rem; }
.check-item span { display: block; margin-top: 2px; color: var(--niebla); font-size: .9rem; }
@media (max-width: 780px) { .check-grid { grid-template-columns: 1fr; } }

.arrow-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 24px; font-family: var(--display);
  font-weight: 600; color: var(--zentria); transition: gap .2s var(--ease); }
.arrow-link:hover { gap: 12px; }
.arrow-link svg { width: 18px; height: 18px; }