:root {
  --navy: #0a2a4c;
  --navy-profundo: #071d36;
  --teal: #12989c;
  --teal-claro: #2cc3c7;
  --naranja: #e8691a;
  --naranja-hover: #d15a10;
  --hueso: #f3f6f9;
  --gris: #5f6d7e;
  --tinta: #0d1b2a;
  --linea: #e1e7ee;
  --radio: 22px;
  --sombra: 0 2px 4px rgba(10,42,76,.04), 0 14px 36px rgba(10,42,76,.08);
  --fuente: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { font-family: var(--fuente); color: var(--tinta); background: #fff; line-height: 1.55; -webkit-font-smoothing: antialiased; }
img, video { max-width: 100%; display: block; }
a { color: inherit; }

.contenedor { width: min(1180px, 100% - 40px); margin-inline: auto; }
.contenedor-estrecho { width: min(860px, 100% - 40px); }

h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; text-wrap: balance; }
.encabezado p { text-wrap: balance; }
h1 { font-size: clamp(2.2rem, 5.2vw, 3.9rem); font-weight: 900; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 850; }
h3 { font-size: 1.2rem; font-weight: 750; }
.resalta { color: var(--teal); }
.seccion-oscura .resalta, .portada .resalta { color: var(--teal-claro); }

.etiqueta {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 14px;
}
.etiqueta::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--naranja); }
.seccion-oscura .etiqueta, .portada .etiqueta { color: var(--teal-claro); }

/* ---------------- botones ---------------- */
.botones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.botones-centro { justify-content: center; }
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 26px; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--naranja); color: #fff; font: 700 1rem var(--fuente); text-decoration: none;
  box-shadow: 0 10px 24px rgba(232,105,26,.28);
  transition: background .2s, transform .2s;
}
.boton:hover { background: var(--naranja-hover); transform: translateY(-1px); }
.boton-chico { padding: 10px 18px; font-size: .92rem; box-shadow: none; }
.boton-claro { background: rgba(255,255,255,.1); box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.35); }
.boton-claro:hover { background: rgba(255,255,255,.18); }
.boton-fantasma { background: transparent; color: inherit; box-shadow: inset 0 0 0 1.5px currentColor; }
.boton-fantasma:hover { background: rgba(255,255,255,.08); }
.enlace { display: inline-block; margin-top: 16px; color: var(--teal); font-weight: 700; text-decoration: none; }
.enlace:hover { text-decoration: underline; }
.enlace-claro { color: var(--teal-claro); }

.checks { list-style: none; display: grid; gap: 8px; margin-top: 16px; }
.checks li { position: relative; padding-left: 28px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .28em; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(18,152,156,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 12.5l3 3 7-7' fill='none' stroke='%2312989c' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/13px no-repeat;
}
.checks-claros li::before, .portada .checks li::before { background-color: rgba(44,195,199,.18); }

/* ---------------- cabecera ---------------- */
.cabecera { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(10px); transition: box-shadow .2s; }
.cabecera.con-sombra { box-shadow: 0 4px 20px rgba(10,42,76,.08); }
.cabecera-fila { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 1.3rem; color: var(--navy); }
.marca b { font-weight: 900; }
.menu { display: flex; align-items: center; gap: 26px; }
.menu a:not(.boton) { text-decoration: none; font-weight: 600; font-size: .95rem; color: #34465a; }
.menu a:not(.boton):hover { color: var(--teal); }
.menu-boton { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 10px; }
.menu-boton span { display: block; height: 2.5px; background: var(--navy); border-radius: 2px; margin: 5px 0; }

/* ---------------- portada ---------------- */
.portada {
  color: #fff; overflow: hidden;
  background:
    radial-gradient(circle at 85% 15%, rgba(44,195,199,.32) 0, rgba(44,195,199,0) 42%),
    radial-gradient(circle at 5% 95%, rgba(232,105,26,.22) 0, rgba(232,105,26,0) 36%),
    linear-gradient(160deg, var(--navy-profundo) 0%, var(--navy) 55%, #0e3760 100%);
}
.portada-fila { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; padding: 72px 0 80px; }
.portada h1 { margin-bottom: 20px; }
.bajada { font-size: 1.15rem; color: rgba(255,255,255,.82); max-width: 580px; }
.portada .checks { margin-top: 28px; color: rgba(255,255,255,.88); }

.portada-visual { position: relative; display: flex; justify-content: center; }
.telefono {
  width: min(310px, 72vw); aspect-ratio: 9 / 16;
  border-radius: 44px; padding: 11px; background: #0d1b2a;
  box-shadow: 0 40px 80px rgba(0,0,0,.45), inset 0 0 0 2px #2a3a4d;
}
.pantalla-video, .telefono iframe { width: 100%; height: 100%; border-radius: 34px; object-fit: cover; border: 0; background: #efeae2; }
/* ---------------- confianza ---------------- */
.confianza { background: #fff; border-bottom: 1px solid var(--linea); }
.confianza-fila { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding: 30px 0; }
.cifras { display: flex; gap: 40px; }
.cifras b { display: block; font-size: 2rem; font-weight: 900; color: var(--navy); line-height: 1; }
.cifras span { font-size: .9rem; color: var(--gris); }
.sistemas { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.sistemas-titulo { font-size: .85rem; color: var(--gris); font-weight: 600; }
.sistemas ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.sistemas li { padding: 7px 14px; border-radius: 999px; background: var(--hueso); border: 1px solid var(--linea); font-weight: 700; font-size: .88rem; color: var(--navy); }

/* ---------------- secciones ---------------- */
.seccion { padding: 88px 0; }
.seccion-suave { background: var(--hueso); }
.seccion-oscura {
  color: #fff;
  background:
    radial-gradient(circle at 90% 10%, rgba(44,195,199,.22) 0, rgba(44,195,199,0) 40%),
    linear-gradient(170deg, var(--navy-profundo), var(--navy));
}
.encabezado { text-align: center; max-width: 760px; margin: 0 auto 48px; }
.encabezado p { margin-top: 14px; font-size: 1.08rem; color: var(--gris); }
.seccion-oscura .encabezado p { color: rgba(255,255,255,.75); }

.rejilla-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.problema, .solucion, .razon {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  padding: 28px; box-shadow: var(--sombra);
  display: flex; flex-direction: column;
}
.icono { font-size: 2rem; margin-bottom: 12px; }
.problema h3, .solucion h3, .razon h3 { margin-bottom: 8px; }
.problema p, .solucion p, .razon p { color: var(--gris); }
.resultado { margin-top: 16px; padding: 14px 16px; border-radius: 14px; background: rgba(18,152,156,.08); border-left: 4px solid var(--teal); font-size: .95rem; }
.resultado b { color: var(--teal); }
.problema .enlace { margin-top: auto; padding-top: 16px; }
.solucion-tipo { font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--naranja); margin-bottom: 6px; }
.solucion .checks { font-size: .95rem; margin-top: 18px; }

/* ---------------- demos ---------------- */
.pestanas { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; }
.pestanas button {
  padding: 12px 20px; border-radius: 999px; cursor: pointer;
  font: 700 .98rem var(--fuente); color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.07); border: 1.5px solid rgba(255,255,255,.16);
  transition: background .2s, border-color .2s;
}
.pestanas button:hover { background: rgba(255,255,255,.14); }
.pestanas button[aria-selected="true"] { background: var(--teal); border-color: var(--teal); color: #fff; }

.demo-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.demo-panel:has(.pantalla) { grid-template-columns: 1.4fr 1fr; gap: 44px; }
.demo-dispositivo { display: flex; justify-content: center; }
.demo-dispositivo.telefono { width: min(340px, 78vw); aspect-ratio: 9 / 16; margin-inline: auto; }
.demo-dispositivo.pantalla {
  width: 100%; aspect-ratio: 16 / 9; border-radius: 16px; padding: 8px; background: #0d1b2a;
  box-shadow: 0 40px 80px rgba(0,0,0,.45), inset 0 0 0 2px #2a3a4d;
}
.demo-dispositivo.pantalla iframe { width: 100%; height: 100%; border: 0; border-radius: 10px; background: #f1f4f8; }
.demo-texto h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 850; margin-bottom: 14px; }
.demo-texto > p { color: rgba(255,255,255,.8); font-size: 1.05rem; }
.demo-texto .checks { margin-top: 20px; color: rgba(255,255,255,.9); }
.demo-compat { margin-top: 20px; font-size: .95rem; color: rgba(255,255,255,.65) !important; }
.demo-compat b { color: #fff; }

/* ---------------- pasos ---------------- */
.pasos { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: paso; }
.pasos li { background: #fff; border-radius: var(--radio); padding: 30px; box-shadow: var(--sombra); }
.pasos b {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  background: var(--navy); color: #fff; font-size: 1.3rem; font-weight: 900; margin-bottom: 16px;
}
.pasos h3 { margin-bottom: 6px; }
.pasos p { color: var(--gris); }

/* ---------------- preguntas ---------------- */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border-radius: 16px; border: 1px solid var(--linea); padding: 4px 22px; }
.faq summary {
  cursor: pointer; list-style: none; padding: 16px 32px 16px 0; position: relative;
  font-weight: 700; font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.6rem; color: var(--teal); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 18px; color: var(--gris); }

/* ---------------- contacto y pie ---------------- */
.contacto { text-align: center; }
.contacto p { margin-top: 16px; font-size: 1.1rem; color: rgba(255,255,255,.8); }

.pie { background: var(--navy-profundo); color: rgba(255,255,255,.75); padding: 56px 0 24px; font-size: .95rem; }
.pie-fila { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.pie img { width: 170px; height: auto; margin-bottom: 14px; }
.pie h4 { color: #fff; margin-bottom: 10px; }
.pie a { color: rgba(255,255,255,.85); text-decoration: none; }
.pie a:hover { color: var(--teal-claro); }
.pie-legal { margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: .85rem; color: rgba(255,255,255,.5); }

.wa-flotante {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 60px; height: 60px; border-radius: 50%; background: #25d366;
  display: grid; place-items: center; box-shadow: 0 10px 26px rgba(0,0,0,.25);
  transition: transform .2s;
}
.wa-flotante:hover { transform: scale(1.07); }

/* ---------------- aparicion ---------------- */
.aparece { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.aparece.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .aparece { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- responsive ---------------- */
@media (max-width: 980px) {
  .rejilla-3, .pasos { grid-template-columns: 1fr 1fr; }
  .demo-panel, .demo-panel:has(.pantalla) { grid-template-columns: 1fr; gap: 36px; }
  .demo-texto { text-align: center; }
  .demo-texto .checks { justify-items: center; }
  .demo-texto .botones { justify-content: center; }
}
@media (max-width: 860px) {
  .menu {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; box-shadow: 0 16px 30px rgba(10,42,76,.12);
    padding: 8px 20px 20px;
    display: none;
  }
  .menu.abierto { display: flex; }
  .menu a:not(.boton) { padding: 14px 0; border-bottom: 1px solid var(--linea); }
  .menu .boton { margin-top: 14px; }
  .menu-boton { display: block; }
  .portada-fila { grid-template-columns: 1fr; padding: 48px 0 64px; text-align: center; }
  .bajada { margin-inline: auto; }
  .portada .botones { justify-content: center; }
  .portada .checks { justify-items: center; }
  .f1 { left: 2%; } .f2 { right: 0; } .f3 { left: 4%; }
}
@media (max-width: 640px) {
  .rejilla-3, .pasos, .pie-fila { grid-template-columns: 1fr; }
  .seccion { padding: 64px 0; }
  .cifras { gap: 24px; width: 100%; justify-content: space-between; }
  .pestanas { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .pestanas button { padding: 11px 10px; font-size: .88rem; }
}