/* =========================================================
   Codinfra — sitio web
   Paleta en blanco y negro (la del logo) con grises de apoyo.
   ========================================================= */
/* Tipografía Inter alojada en el propio sitio (licencia SIL OFL, ver assets/fonts): sin pedir nada a Google */
@font-face { font-family: Inter; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/inter-400.woff2") format("woff2"); }
@font-face { font-family: Inter; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/inter-500.woff2") format("woff2"); }
@font-face { font-family: Inter; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/inter-600.woff2") format("woff2"); }
@font-face { font-family: Inter; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/inter-700.woff2") format("woff2"); }
@font-face { font-family: Inter; font-style: normal; font-weight: 800; font-display: swap; src: url("../fonts/inter-800.woff2") format("woff2"); }

:root {
  --negro: #111111;
  --tinta: #1C1F24;
  --suave: #5B6370;
  --linea: #E3E6EA;
  --gris: #F4F5F7;
  --blanco: #FFFFFF;
  --error: #B42318;
  --ok: #067647;
  --radio: 14px;
  --sombra: 0 1px 2px rgba(17, 17, 17, .06), 0 8px 24px rgba(17, 17, 17, .06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--tinta); background: var(--blanco); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { color: var(--negro); line-height: 1.15; margin: 0 0 .6rem; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.12rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1rem; }

.contenedor { width: min(1160px, 100% - 2.5rem); margin-inline: auto; }

/* ---------- Botones ---------- */
.boton .icono { width: 1.15em; height: 1.15em; }
.boton { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; padding: .85rem 1.4rem; border-radius: 999px; border: 2px solid var(--negro);
  background: var(--negro); color: var(--blanco); font: 600 1rem/1 inherit; font-family: inherit; text-decoration: none; cursor: pointer; transition: transform .15s, background .15s; }
.boton:hover { transform: translateY(-1px); }
.boton-chico { padding: .6rem 1.1rem; font-size: .92rem; }
.boton-borde { background: transparent; color: var(--negro); }
.boton-borde:hover { background: var(--negro); color: var(--blanco); }
.boton-claro { background: var(--blanco); border-color: var(--blanco); color: var(--negro); }
.acciones { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.boton:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .menu-boton:focus-visible { outline: 3px solid #3B82F6; outline-offset: 3px; }

/* ---------- Cabecera ---------- */
.cabecera { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--linea); }
.cabecera-fila { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.marca img { width: 168px; }
.menu { display: flex; align-items: center; gap: 1.6rem; }
.menu a:not(.boton) { white-space: nowrap; text-decoration: none; font-weight: 500; font-size: .95rem; color: var(--suave); }
.menu a:not(.boton):hover { color: var(--negro); }
.menu-boton { display: none; background: none; border: 0; padding: .5rem; cursor: pointer; }
.menu-boton span { display: block; width: 24px; height: 2px; background: var(--negro); margin: 5px 0; transition: transform .2s, opacity .2s; }

/* ---------- Portada ---------- */
.portada { padding: 4.5rem 0 4rem; background: linear-gradient(180deg, var(--gris), var(--blanco)); }
.microcopy { margin: .9rem 0 0; font-size: .92rem; color: var(--suave); }
.portada-grilla { display: grid; grid-template-columns: 1.05fr 1fr; gap: 3.5rem; align-items: center; }
.icono { width: 1.1em; height: 1.1em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.18em; }
.etiqueta { display: inline-flex; align-items: center; gap: .5rem; font-family: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: .76rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--suave); margin-bottom: 1rem; }
.bajada { font-size: 1.15rem; color: var(--suave); max-width: 36rem; }

/* Antes / después de la portada: planilla desordenada → tablero claro (ilustración hecha con HTML) */
.antes-despues { position: relative; width: 100%; max-width: 560px; height: 470px; margin-left: auto; }
.ad-antes { position: absolute; left: 0; top: 0; width: 64%; }
.ad-despues { position: absolute; right: 0; bottom: 0; width: 66%; z-index: 2; }
.ad-etiqueta { display: block; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--suave); margin: 0 0 .6rem .3rem; }
.ad-despues .ad-etiqueta { text-align: right; margin-right: .3rem; }
.planilla { position: relative; background: var(--blanco); border: 1px solid #D1D5DB; border-radius: 10px; box-shadow: 0 14px 30px -12px rgba(17, 17, 17, .3); transform: rotate(-4deg); font-size: .66rem; }
.planilla-barra { background: #1D6F42; color: var(--blanco); padding: .4rem .7rem; font-weight: 600; border-radius: 9px 9px 0 0; }
.planilla table { border-collapse: collapse; width: 100%; }
.planilla td { border: 1px solid #E5E7EB; padding: .28rem .4rem; white-space: nowrap; color: var(--tinta); height: 1.9em; }
.planilla .cabeza td { background: var(--gris); font-weight: 700; }
.planilla .rojo { background: #FEE2E2; color: var(--error); }
.planilla .amarillo { background: #FEF3C7; }
.post-it { position: absolute; right: -18px; top: -26px; width: 118px; z-index: 1; padding: .5rem .55rem; background: #FEF08A; color: #3F3A00; font-family: "Comic Sans MS", "Segoe Print", cursive; font-size: .7rem; line-height: 1.3; transform: rotate(7deg); box-shadow: 0 6px 12px rgba(17, 17, 17, .2); }
.ad-paso { position: absolute; left: -1.5rem; top: -.4rem; z-index: 3; background: var(--negro); color: var(--blanco); border-radius: 999px; padding: .4rem .9rem; font-size: .8rem; font-weight: 700; white-space: nowrap; }
.tablero-ad { background: var(--blanco); border: 1px solid var(--linea); border-radius: 16px; padding: 1.1rem 1.1rem .7rem; box-shadow: 0 30px 60px -20px rgba(17, 17, 17, .35); }
.tablero-ad h4 { margin: 0 0 .8rem; font-size: 1rem; color: var(--negro); }
.tablero-ad ul { list-style: none; margin: 0; padding: 0; }
.tablero-ad li { display: flex; justify-content: space-between; gap: .6rem; padding: .45rem 0; border-bottom: 1px solid var(--linea); font-size: .76rem; color: var(--tinta); }
.tablero-ad b { font-weight: 700; color: var(--negro); white-space: nowrap; }
.tablero-ad .rojo { color: var(--error); }
.tablero-ad .verde { color: var(--ok); }
.tablero-ad .kpis strong { font-size: .78rem; text-overflow: clip; }
.ad-nota { margin: .5rem 0 0; text-align: center; font-size: .68rem; color: #8A919B; }
/* Animación al cargar: aparece la planilla, luego "con Codinfra" y por último el tablero */
.ad-antes { animation: ad-aparece .6s ease both .2s; }
.ad-paso { animation: ad-salta .4s ease both 1.3s; }
.ad-despues { animation: ad-sube .7s ease both 1.1s; }
@keyframes ad-aparece { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes ad-sube { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: none; } }
@keyframes ad-salta { from { opacity: 0; transform: scale(.6); } to { opacity: 1; transform: none; } }

/* Cuatro tarjetas de beneficios bajo la portada */
.beneficios { list-style: none; margin-top: 3.5rem; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.beneficios li { display: flex; gap: .9rem; align-items: flex-start; background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.2rem; box-shadow: var(--sombra); }
.beneficios .tarjeta-icono { margin: 0; width: 40px; height: 40px; border-radius: 10px; flex: none; }
.beneficios .tarjeta-icono svg { width: 21px; height: 21px; }
.beneficios h3 { font-size: 1rem; margin: 0 0 .25rem; }
.beneficios p { margin: 0; font-size: .88rem; color: var(--suave); line-height: 1.45; }

/* ---------- Secciones ---------- */
.seccion { padding: 5.5rem 0; }
.seccion-bajada { font-size: 1.1rem; color: var(--suave); max-width: 44rem; margin-bottom: 2.5rem; }
.seccion-gris { background: var(--gris); }
.seccion-oscura { background: var(--negro); color: #D6D9DE; }
.seccion-oscura h2, .seccion-oscura h3, .seccion-oscura strong { color: var(--blanco); }
.seccion-oscura .etiqueta, .seccion-oscura .seccion-bajada { color: #A3A9B2; }

/* ---------- Servicios ---------- */
.tarjetas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.tarjeta { border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.7rem; background: var(--blanco); transition: box-shadow .2s, transform .2s; }
.tarjeta:hover { box-shadow: var(--sombra); transform: translateY(-2px); }
.tarjeta p { color: var(--suave); font-size: .97rem; margin: 0; }
.tarjeta.destacada { background: var(--negro); border-color: var(--negro); }
.tarjeta.destacada h3 { color: var(--blanco); }
.tarjeta.destacada p { color: #C2C7CE; }
.tarjeta.destacada .tarjeta-icono { background: var(--blanco); color: var(--negro); }
.tarjeta-icono { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: var(--negro); color: var(--blanco); margin-bottom: 1.1rem; }
.tarjeta-icono svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.enlace { display: inline-block; margin-top: 1rem; font-weight: 600; color: var(--blanco); text-decoration: none; }
.enlace:hover { text-decoration: underline; }
.tarjetas-destacadas { margin-bottom: 1.2rem; }
.tarjeta { position: relative; }
.insignia { position: absolute; top: 1.4rem; right: 1.4rem; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--negro); background: var(--blanco); padding: .3rem .65rem; border-radius: 999px; }
.franja { display: flex; align-items: center; gap: 1rem; margin-top: 1.2rem; padding: 1.1rem 1.4rem; border-radius: var(--radio); background: var(--gris); }
.franja p { margin: 0; color: var(--suave); }
.franja strong { color: var(--negro); }
.franja .tarjeta-icono { margin: 0; flex: none; }

/* ---------- Qué hacemos: ciclo de punta a punta (4 pasos unidos por una línea) ---------- */
.ciclo { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; position: relative; }
.ciclo::before { content: ""; position: absolute; top: 2.6rem; left: 8%; right: 8%; border-top: 2px dashed #9CA3AF; }
.ciclo > li { position: relative; display: flex; flex-direction: column; background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.5rem; box-shadow: var(--sombra); }
.ciclo-numero { position: absolute; top: -.8rem; right: 1rem; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .75rem; background: var(--blanco); border: 1px solid var(--linea); border-radius: 999px; padding: .15rem .6rem; color: var(--tinta); }
.ciclo .tarjeta-icono { margin-bottom: 1rem; }
.ciclo h3 { font-size: 1.25rem; margin: 0 0 .3rem; }
.ciclo > li > p { color: var(--suave); font-size: .93rem; margin: 0 0 .9rem; }
.ciclo ul { margin: 0 0 1.2rem; padding-left: 1.1rem; display: grid; gap: .35rem; font-size: .92rem; color: var(--tinta); }
.ciclo a { margin-top: auto; font-weight: 600; font-size: .9rem; color: var(--negro); }
.ciclo a span { display: inline-block; transition: transform .15s; }
.ciclo a:hover span { transform: translateX(3px); }
.chips { list-style: none; padding: 0; margin: 1.6rem 0 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.chips li { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--tinta);
  border: 1px solid #CDD1D6; background: var(--blanco); border-radius: 999px; padding: .45rem .9rem; }

/* ---------- Seguridad incluida ---------- */
/* Mapa de seguridad: escudo al centro y los 7 puntos alrededor, unidos por líneas con puntos en movimiento */
.mapa-seguridad { position: relative; aspect-ratio: 880 / 500; margin-top: 1rem; border: 1px solid #23272E; border-radius: 22px;
  background: radial-gradient(ellipse at 50% 47%, rgba(79, 124, 255, .16), transparent 55%), #0B0C0E; overflow: hidden; }
.mapa-lineas { position: absolute; inset: 0; width: 100%; height: 100%; }
.mapa-linea { fill: none; stroke: #FFFFFF; stroke-opacity: .18; stroke-width: 1.5; transition: stroke .3s, stroke-opacity .3s; }
.mapa-linea.activo { stroke: #6E8BFF; stroke-opacity: 1; stroke-width: 2; }
.mapa-puntos circle { fill: #FFFFFF; }
.mapa-escudo { position: absolute; left: 50%; top: 47%; width: 26%; transform: translate(-50%, -50%); filter: drop-shadow(0 0 28px rgba(79, 124, 255, .45)); }
.mapa-escudo svg { width: 100%; display: block; }
.escudo-forma { fill: #14161B; stroke: #FFFFFF; stroke-opacity: .45; stroke-width: 2; }
.escudo-circuito { fill: none; stroke: #6E8BFF; stroke-opacity: .35; stroke-width: 1.5; }
.escudo-nodo { fill: #6E8BFF; }
.escudo-onda { fill: none; stroke: #6E8BFF; stroke-width: 1.5; transform-origin: 120px 128px; animation: escudo-onda 3s ease-out infinite; }
.escudo-candado { fill: #FFFFFF; }
.escudo-arco { fill: none; stroke: #FFFFFF; stroke-width: 4; }
.escudo-chico { fill: #8FA5FF; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 10px; letter-spacing: 2px; text-anchor: middle; }
.escudo-grande { fill: #FFFFFF; font-family: Inter, system-ui, sans-serif; font-size: 25px; font-weight: 800; text-anchor: middle; }
@keyframes escudo-onda { from { opacity: .8; transform: scale(.7); } to { opacity: 0; transform: scale(1.6); } }
.mapa-nodo { position: absolute; width: 17%; transform: translate(-50%, -50%); display: flex; align-items: center; gap: .55rem; padding: .6rem .9rem;
  font: inherit; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .8rem; color: #C9CED6; text-align: left; white-space: nowrap;
  background: #15171B; border: 1px solid #2A2E35; border-radius: 12px; cursor: pointer; transition: border-color .3s, color .3s, box-shadow .3s; }
.mapa-nodo i { flex: none; width: 7px; height: 7px; border-radius: 50%; background: #4F6BFF; }
.mapa-nodo:hover, .mapa-nodo.activo { color: #FFFFFF; border-color: #6E8BFF; box-shadow: 0 0 0 4px rgba(110, 139, 255, .15), 0 0 24px rgba(110, 139, 255, .25); }
.mapa-nodo.activo i { background: #FFFFFF; box-shadow: 0 0 10px #6E8BFF; }
.mapa-nodo:focus-visible { outline: 3px solid #3B82F6; outline-offset: 2px; }
.n1, .n2, .n3 { left: 19.89%; } .n4, .n5, .n6 { left: 80.11%; }
.n1, .n4 { top: 24%; } .n2, .n5 { top: 47%; } .n3, .n6 { top: 70%; }
.n7 { left: 50%; top: 87.6%; }
/* Detalle del punto elegido; sin JavaScript se ven todos */
.mapa-detalle { display: grid; gap: 1rem; max-width: 46rem; margin: 1.6rem auto 0; }
.mapa-detalle article { background: #15171B; border: 1px solid #2A2E35; border-radius: var(--radio); padding: 1.2rem 1.4rem; }
.mapa-detalle.con-js article { display: none; text-align: center; }
.mapa-detalle.con-js article.activo { display: block; animation: ad-aparece .4s ease both; }
.mapa-numero { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .72rem; letter-spacing: .12em; color: #8FA5FF; }
.mapa-detalle h3 { margin: .3rem 0 .3rem; font-size: 1.25rem; }
.mapa-detalle p { margin: 0; color: #B8BEC7; }

/* ---------- Demostración animada (sección Sistemas) ---------- */
.demo { margin: 0 0 3rem; }
.demo-pestanas { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 1.8rem; }
.demo-pestanas button { font: inherit; font-weight: 600; font-size: .95rem; padding: .65rem 1.2rem; border-radius: 999px; border: 1px solid #CDD1D6; background: var(--blanco); color: var(--tinta); cursor: pointer; }
.demo-pestanas button[aria-selected="true"] { background: var(--negro); border-color: var(--negro); color: var(--blanco); }
.demo-pestanas button:focus-visible { outline: 3px solid #3B82F6; outline-offset: 2px; }
.demo-panel { display: grid; grid-template-columns: minmax(0, 480px) 1fr; gap: 3.5rem; align-items: center; }
.demo-panel[hidden] { display: none; }
.demo-texto h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); font-weight: 800; }
.demo-texto > p:not(.escena-numero) { color: var(--suave); }
.lista-check.lista-check-clara li::before { background-color: var(--negro); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5L20 7'/%3E%3C/svg%3E"); }
.lista-check-clara { gap: .7rem; margin: 1.2rem 0 0; }
.lista-check-clara li { color: var(--tinta); }
.escena-numero { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--suave); margin: 0 0 .5rem; }

.demo-tarjeta { position: relative; background: linear-gradient(180deg, #F7F8FA, #EEF0F3); border: 1px solid var(--linea); border-radius: 22px; padding: 1.3rem 1.3rem .9rem; box-shadow: 0 30px 60px -25px rgba(17, 17, 17, .3); overflow: hidden; }
.demo-cabecera { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.1rem; }
.demo-chip { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; background: var(--negro); color: var(--blanco); border-radius: 999px; padding: .35rem .8rem; }
.demo-cabecera img { width: 96px; opacity: .85; }
.demo-escenas { position: relative; height: 385px; }
.escena { position: absolute; inset: 0; opacity: 0; transform: translateY(14px); transition: opacity .5s, transform .5s; pointer-events: none; }
.escena.activa { opacity: 1; transform: none; pointer-events: auto; }
.escena h4 { font-size: 1.55rem; line-height: 1.15; letter-spacing: -.02em; color: var(--negro); margin: 0 0 1.1rem; font-weight: 800; }
.escena h4 em { font-style: normal; color: #6B7280; }
.ventana { position: relative; background: var(--blanco); border: 1px solid var(--linea); border-radius: 14px; padding: .7rem .8rem .9rem; box-shadow: var(--sombra); }
.ventana-barra { display: flex; align-items: center; gap: 5px; margin-bottom: .6rem; }
.ventana-barra i { width: 8px; height: 8px; border-radius: 50%; background: #CDD1D6; }
.ventana-barra i:first-child { background: #F87171; } .ventana-barra i:nth-child(2) { background: #FBBF24; } .ventana-barra i:nth-child(3) { background: #34D399; }
.ventana-barra span { margin: 0 auto; font-size: .68rem; color: #8A919B; background: var(--gris); border-radius: 999px; padding: .15rem .8rem; }
.ventana-pestanas { display: flex; gap: .35rem; margin-bottom: .8rem; }
.ventana-pestanas span { font-size: .7rem; font-weight: 600; color: var(--suave); border: 1px solid var(--linea); border-radius: 999px; padding: .2rem .65rem; }
.ventana-pestanas .on { background: var(--negro); border-color: var(--negro); color: var(--blanco); }
.kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .45rem; margin-bottom: .8rem; }
.kpis div { min-width: 0; border: 1px solid var(--linea); border-radius: 10px; padding: .5rem .45rem; }
.kpis small { display: block; font-size: .62rem; color: var(--suave); }
.kpis strong { display: block; font-size: clamp(.68rem, 2.9vw, .92rem); color: var(--negro); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-variant-numeric: tabular-nums; }
.kpis .alerta strong { color: var(--error); }
.avances { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.avances li { display: grid; grid-template-columns: 1fr 34% 3rem; align-items: center; gap: .5rem; font-size: .72rem; }
.avances span { color: var(--tinta); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.avances b { position: relative; height: 7px; border-radius: 999px; background: var(--gris); overflow: hidden; }
.avances b::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 0; border-radius: inherit; background: var(--negro); transition: width 1.2s ease .3s; }
.avances b.rojo::after { background: var(--error); }
.escena.activa .avances b::after { width: var(--hasta, 0%); }
.avances em { font-style: normal; text-align: right; color: var(--suave); font-variant-numeric: tabular-nums; }
.formulario-demo { display: grid; gap: .6rem; }
.formulario-demo label { display: grid; gap: .2rem; font-size: .66rem; font-weight: 600; color: var(--suave); }
.formulario-demo .dos { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.campo-demo { display: block; min-height: 1.95rem; border: 1px solid #CDD1D6; border-radius: 8px; padding: .4rem .55rem; font-size: .76rem; font-weight: 500; color: var(--tinta); white-space: nowrap; overflow: hidden; }
.campo-demo.escribe::after { content: "|"; margin-left: 1px; animation: parpadeo 1s steps(1) infinite; }
.campo-demo.resultado { background: var(--gris); font-weight: 700; color: var(--negro); }
.boton-demo { justify-self: start; font-size: .74rem; font-weight: 600; background: var(--negro); color: var(--blanco); border-radius: 999px; padding: .4rem .9rem; }
.escena.activa .boton-demo { animation: pulso .4s ease 2.4s; }
.aviso-demo { position: absolute; left: 50%; bottom: -1rem; transform: translate(-50%, 10px); opacity: 0; white-space: nowrap; font-size: .76rem; font-weight: 600;
  background: #ECFDF3; color: var(--ok); border: 1px solid #ABEFC6; border-radius: 999px; padding: .4rem .9rem; box-shadow: var(--sombra); }
.aviso-demo.alerta-demo { background: #FEF3F2; color: var(--error); border-color: #FECDCA; }
.escena.activa .aviso-demo { animation: aparecer .4s ease 2.8s forwards; }
.filas-demo { list-style: none; padding: 0; margin: 0 0 1.4rem; display: grid; }
.filas-demo li { display: grid; grid-template-columns: 1fr auto 6.6rem; align-items: center; gap: .5rem; padding: .55rem 0; border-bottom: 1px solid var(--linea); font-size: .72rem; }
.filas-demo span { color: var(--tinta); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.filas-demo b { font-weight: 600; color: var(--negro); font-variant-numeric: tabular-nums; }
.estado { font-style: normal; justify-self: end; font-size: .64rem; font-weight: 700; border-radius: 999px; padding: .2rem .55rem; white-space: nowrap; }
.estado.rojo { background: #FEF3F2; color: var(--error); } .estado.amarillo { background: #FFFAEB; color: #B54708; } .estado.verde { background: #ECFDF3; color: var(--ok); }
.filas-demo .cambia { position: relative; }
.filas-demo .cambia .despues { position: absolute; right: 0; opacity: 0; }
.escena.activa .cambia .antes { animation: desaparecer .3s ease 2s forwards; }
.escena.activa .cambia .despues { animation: aparecer-fijo .3s ease 2.1s forwards; }
.escena.activa .cambia { animation: resaltar 1.2s ease 2s; }
.demo-puntos { display: flex; justify-content: center; gap: .4rem; margin-top: 1.2rem; }
.demo-puntos i, .demo-puntos button { width: 7px; height: 7px; padding: 0; border: 0; border-radius: 999px; background: #CDD1D6; cursor: pointer; transition: width .3s, background .3s; }
.demo-puntos button:focus-visible { outline: 3px solid #3B82F6; outline-offset: 2px; }
.demo-puntos .on { width: 20px; background: var(--negro); }
.demo-nota { margin: .5rem 0 0; text-align: center; font-size: .7rem; color: #8A919B; }
@keyframes parpadeo { 50% { opacity: 0; } }
@keyframes aparecer { to { opacity: 1; transform: translate(-50%, 0); } }
@keyframes aparecer-fijo { to { opacity: 1; } }
@keyframes desaparecer { to { opacity: 0; } }
@keyframes pulso { 50% { transform: scale(.94); } }
@keyframes resaltar { 30% { background: #F0FDF4; } }

/* ---------- Servidores e infraestructura ---------- */
.infra-imagen { position: relative; margin: 0; border-radius: var(--radio); overflow: hidden; border: 1px solid #2C3139; box-shadow: 0 30px 60px -25px rgba(0, 0, 0, .7); }
.infra-imagen img { width: 100%; }
#panel-infraestructura { row-gap: 2.2rem; }
.infra-extra { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.infra-extra article { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.7rem; box-shadow: var(--sombra); }
.infra-extra h4 { font-size: 1.25rem; font-weight: 800; color: var(--negro); margin: 0 0 .5rem; }
.infra-extra p { color: var(--suave); margin: 0; }
.infra-extra .lista-check { margin-top: 1.1rem; }
.infra-chips { grid-column: 1 / -1; margin-top: 0; }

.infra { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.infra article { background: var(--blanco); border-radius: var(--radio); padding: 1.6rem; border: 1px solid var(--linea); }
.infra p { color: var(--suave); font-size: .97rem; margin: 0; }


/* ---------- Lista con check ---------- */
.lista-check { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.1rem; }
.lista-check li { position: relative; padding-left: 2rem; }
.lista-check li::before { content: ""; position: absolute; left: 0; top: .3rem; width: 18px; height: 18px; border-radius: 50%; background: var(--blanco)
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5L20 7'/%3E%3C/svg%3E") center / 11px no-repeat; }

/* ---------- Cómo trabajamos ---------- */
.pasos { list-style: none; padding: 0; margin: 2.5rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; position: relative; }
.pasos::before { content: ""; position: absolute; top: 23px; left: 24px; right: 12%; height: 2px; background: var(--linea); }
.pasos li { position: relative; }
.pasos span { position: relative; display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: var(--blanco); border: 2px solid var(--negro);
  color: var(--negro); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-weight: 700; font-size: .9rem; margin-bottom: 1rem; }
.pasos p, .razones p { color: var(--suave); font-size: .97rem; margin: 0; }
.razones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 3.5rem; }
.razones div { background: var(--gris); border-radius: var(--radio); padding: 1.6rem; }

/* ---------- Contacto ---------- */
.contacto-grilla { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.datos { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.3rem; }
.datos li { display: flex; gap: .9rem; align-items: flex-start; }
.datos-icono { flex: none; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--negro); color: var(--blanco); }
.datos-icono .icono { width: 20px; height: 20px; }
.datos li div { display: grid; gap: .15rem; }
.datos li div > span { font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--suave); }
.datos a, .datos strong { font-size: 1.1rem; font-weight: 600; color: var(--negro); text-decoration: none; }
.datos a:hover { text-decoration: underline; }
.datos small { color: var(--suave); font-size: .92rem; }
.formulario { background: var(--blanco); border-radius: var(--radio); padding: 2rem; box-shadow: var(--sombra); display: grid; gap: 1.1rem; align-content: start; }
.campo { display: grid; gap: .35rem; align-content: start; }
.campo-doble { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: start; }
.formulario label { font-weight: 600; font-size: .92rem; }
.formulario label b, .formulario-nota b { color: var(--error); }
.formulario small { font-weight: 400; color: var(--suave); }
.formulario input:not([type=checkbox]), .formulario select, .formulario textarea { width: 100%; font: inherit; font-weight: 400; padding: .75rem .9rem; border: 1px solid #CDD1D6; border-radius: 10px; background: var(--blanco); color: var(--tinta); }
.formulario [aria-invalid="true"] { border-color: var(--error); box-shadow: 0 0 0 3px rgba(180, 35, 24, .12); }
.formulario textarea { resize: vertical; }
.campo-error { color: var(--error); font-size: .85rem; margin: 0; }
.aceptar { display: flex; gap: .7rem; align-items: flex-start; font-weight: 400 !important; font-size: .9rem; color: var(--suave); cursor: pointer; }
.aceptar input { width: 18px; height: 18px; margin: .15rem 0 0; flex: none; accent-color: var(--negro); }
.aceptar a { color: var(--negro); font-weight: 600; }
.trampa { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.formulario { position: relative; }
.formulario-nota { font-size: .88rem; color: var(--suave); margin: 0; }
.formulario-error { color: var(--error); font-size: .9rem; margin: 0; font-weight: 600; }
.formulario-ok { border: 1px solid #ABEFC6; background: #ECFDF3; color: var(--ok); border-radius: 10px; padding: .9rem 1rem; font-size: .95rem; }
.formulario-prueba { margin: .6rem 0 0; padding-top: .6rem; border-top: 1px dashed #ABEFC6; font-size: .85rem; word-break: break-all; }
.formulario-privacidad { display: flex; gap: .5rem; align-items: flex-start; margin: 0; font-size: .8rem; color: var(--suave); }
.formulario-privacidad .icono { margin-top: .2em; }
.boton:disabled { opacity: .6; cursor: wait; transform: none; }
.formulario .boton { margin-top: .4rem; }

/* ---------- Pie ---------- */
.pie { background: var(--negro); color: #A3A9B2; padding: 2.2rem 0; font-size: .9rem; }
.pie-fila { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.pie p { margin: 0; }
.pie-enlaces { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.pie-enlaces a { color: var(--blanco); text-decoration: none; display: inline-flex; align-items: center; gap: .4rem; }
.pie-enlaces a:hover { text-decoration: underline; }


/* ---------- Celular y tablet ---------- */
/* Con 6 opciones, el menú pasa a desplegable antes de que deje de caber en una línea */
@media (max-width: 1080px) {
  .menu-boton { display: block; }
  .menu { position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 1.25rem 1.25rem;
    background: var(--blanco); border-bottom: 1px solid var(--linea); box-shadow: var(--sombra); display: none; }
  .menu.abierto { display: flex; }
  .menu a:not(.boton) { padding: .85rem 0; border-bottom: 1px solid var(--linea); font-size: 1rem; }
  .menu .boton { margin-top: 1rem; }
  .menu-boton[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-boton[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-boton[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .menu .boton { width: auto; }
  .beneficios { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .portada-grilla, .contacto-grilla, .demo-panel { grid-template-columns: 1fr; gap: 2.5rem; }
  .demo-tarjeta { max-width: 440px; }
  .antes-despues { margin-inline: auto; }
  .tarjetas, .razones, .infra, .ciclo { grid-template-columns: 1fr 1fr; gap: 1.6rem 1rem; }
  .ciclo::before { display: none; }
  .tarjetas > :last-child:nth-child(odd) { grid-column: 1 / -1; }   /* la tercera tarjeta ocupa todo el ancho */
  .pasos { grid-template-columns: 1fr 1fr; }
  .pasos::before { display: none; }
}
@media (max-width: 760px) {
  .portada { padding: 3rem 0; }
  .seccion { padding: 4rem 0; }
  .tarjetas, .infra, .razones, .pasos, .ciclo { grid-template-columns: 1fr; }
  .mapa-seguridad { aspect-ratio: auto; padding: 1.4rem 1rem; }
  .mapa-lineas { display: none; }
  .mapa-escudo { position: relative; left: auto; top: auto; transform: none; width: 46%; margin: 0 auto 1.2rem; }
  .mapa-nodos { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
  .mapa-nodo { position: static; width: auto; transform: none; font-size: .74rem; padding: .6rem .7rem; white-space: normal; }
  .mapa-nodo.n7 { grid-column: 1 / -1; }
  .demo-escenas { height: 375px; }
  .escena h4 { font-size: 1.3rem; }
  .franja { align-items: flex-start; }
  .beneficios { grid-template-columns: 1fr; margin-top: 2.5rem; }
  .infra-extra { grid-template-columns: 1fr; }
  .antes-despues { height: auto; }
  .ad-antes, .ad-despues { position: relative; width: 94%; }
  .ad-despues { margin: 1.4rem 0 0 auto; }
  .post-it { right: -6px; }
  .ad-paso { left: -.4rem; }
  .infra-extra article { padding: 1.3rem; }
  .boton { width: 100%; }
  .formulario { padding: 1.4rem; }
  .campo-doble { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .escena.activa .aviso-demo, .escena.activa .cambia .despues { animation: none; opacity: 1; transform: translate(-50%, 0); }
  .escena.activa .cambia .despues { transform: none; }
  .escena.activa .cambia .antes { animation: none; opacity: 0; }
  .escena.activa .boton-demo, .escena.activa .cambia, .campo-demo.escribe::after { animation: none; }
  .ad-antes, .ad-paso, .ad-despues, .escudo-onda, .mapa-detalle.con-js article.activo { animation: none; }
  .mapa-puntos { display: none; }
  * { transition: none !important; }
}

/* ---------- Página 404 ---------- */
.pagina-error { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(180deg, var(--gris), var(--blanco)); }
.error-caja { display: grid; justify-items: center; text-align: center; gap: .4rem; padding: 3rem 0; }
.error-caja > a:first-child { margin-bottom: 2.5rem; }
.error-caja .acciones { justify-content: center; }

/* ---------- Política de privacidad ---------- */
.texto-legal { max-width: 46rem; }
.texto-legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.texto-legal h2 { font-size: 1.25rem; margin-top: 2.2rem; }
.texto-legal p { color: var(--suave); }
.texto-legal a { color: var(--negro); font-weight: 600; }
.texto-legal .boton { color: var(--blanco); }
.texto-legal-fecha { font-size: .9rem; }