@font-face { font-family: "Montserrat"; src: url("fuentes/Montserrat-600.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("fuentes/Montserrat-700.ttf") format("truetype"); font-weight: 700 750; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("fuentes/Montserrat-800.ttf") format("truetype"); font-weight: 800; font-display: swap; }
:root {
  --fondo: #f6f7f9; --papel: #ffffff; --tinta: #0f172a; --suave: #5b6576; --linea: #e4e7ec;
  --verde: #10B981; --verde-2: #34D399; --verde-3: #0B7A5C; --verde-suave: #e8f6f1; --azul: #1D6FF2;
  --marco: #0B1020; --marco-2: #141B2D; --marco-tinta: #9AA4B8;
  --sombra: 0 1px 2px rgba(15,23,42,.06), 0 8px 24px rgba(15,23,42,.08);
  --sombra-2: 0 2px 6px rgba(15,23,42,.08), 0 24px 60px rgba(15,23,42,.16);
  --curva: cubic-bezier(.2,.8,.2,1);
  --fuente: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --fuente-titulos: "Montserrat", "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --fondo: #0b0e12; --papel: #13171d; --tinta: #e8ecf1; --suave: #9aa4b2; --linea: #232a33;
          --verde-suave: rgba(16,163,127,.12); --sombra: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
          --sombra-2: 0 24px 60px rgba(0,0,0,.5); }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 17px/1.6 var(--fuente); color: var(--tinta); background: var(--fondo);
       -webkit-font-smoothing: antialiased; }
a { color: var(--verde); }
h1, h2, h3 { font-family: var(--fuente-titulos); letter-spacing: -.02em; line-height: 1.15; margin: 0; }
code { font-family: Consolas, ui-monospace, monospace; font-size: .86em; }
.tenue { color: var(--suave); font-size: 14px; }

/* ---------- barra ---------- */
.barra { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
         gap: 16px; padding: 12px clamp(16px, 4vw, 48px); background: rgba(11,16,32,.97);
         backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
         border-bottom: 1px solid rgba(255,255,255,.06); }
.marca { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700;
         font-family: var(--fuente-titulos); font-size: 18px; }
.logo-barra { display: block; height: 26px; width: auto; filter: drop-shadow(0 4px 14px rgba(16,185,129,.35)); }
.logo-pie { display: block; height: 28px; width: auto; color: var(--tinta); }
.barra__links { display: flex; gap: 22px; }
.barra__links a { color: var(--marco-tinta); text-decoration: none; font-size: 15px; transition: color .2s; }
.barra__links a:hover { color: #fff; }

/* ---------- héroe ---------- */
.heroe { position: relative; overflow: hidden; background: var(--marco); color: #fff;
         padding: clamp(48px, 8vw, 96px) clamp(16px, 4vw, 48px) clamp(64px, 9vw, 112px); }
.heroe__luz { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .55; pointer-events: none; }
.heroe__luz--1 { width: 520px; height: 520px; background: #10B981; top: -180px; left: -120px; animation: flotar 14s ease-in-out infinite; }
.heroe__luz--2 { width: 420px; height: 420px; background: #1D6FF2; bottom: -200px; right: -80px; animation: flotar 18s ease-in-out infinite reverse; }
.heroe__grilla { position: absolute; inset: 0; pointer-events: none; opacity: .35;
                 background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                                   linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
                 background-size: 44px 44px;
                 mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
                 -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%); }
.heroe__contenido { position: relative; max-width: 1180px; margin: 0 auto; display: grid;
                    grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.insignia { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 22px; padding: 6px 14px 6px 10px;
            border: 1px solid rgba(52,211,153,.35); border-radius: 999px; background: rgba(16,163,127,.12);
            color: #a7f3d0; font-size: 13.5px; animation: subir .7s var(--curva) both; }
.insignia__punto { width: 8px; height: 8px; border-radius: 50%; background: var(--verde-2);
                   box-shadow: 0 0 0 0 rgba(52,211,153,.6); animation: latido 2s infinite; }
.heroe h1 { font-size: clamp(34px, 5.2vw, 58px); font-weight: 750; animation: subir .8s .08s var(--curva) both; }
.degradado { background: linear-gradient(100deg, #6EE7B7, #34D399 35%, #3B82F6); -webkit-background-clip: text;
             background-clip: text; color: transparent; }
.heroe__bajada { max-width: 560px; margin: 22px 0 32px; color: #c3cad5; font-size: clamp(16px, 1.6vw, 19px);
                 animation: subir .8s .16s var(--curva) both; }
.heroe__acciones { display: flex; flex-wrap: wrap; gap: 14px; animation: subir .8s .24s var(--curva) both; }
.aviso-celular { margin: 20px 0 0; padding: 12px 14px; border-radius: 12px; background: rgba(251,191,36,.12);
                 border: 1px solid rgba(251,191,36,.35); color: #fde68a; font-size: 15px; }

/* ---------- botones ---------- */
.boton { position: relative; display: inline-flex; align-items: center; gap: 12px; padding: 14px 22px; border-radius: 14px;
         font-weight: 650; font-size: 16.5px; text-decoration: none; overflow: hidden;
         transition: transform .25s var(--curva), box-shadow .25s var(--curva), background .25s; }
.boton span { display: flex; flex-direction: column; line-height: 1.2; }
.boton small { font-weight: 500; font-size: 12.5px; opacity: .8; margin-top: 2px; }
.boton__icono { width: 22px; height: 22px; flex: none; }
.boton--principal { color: #fff; background: linear-gradient(135deg, #10b981, #0b8f6e);
                    box-shadow: 0 10px 30px rgba(16,163,127,.45), inset 0 1px 0 rgba(255,255,255,.25); }
.boton--principal::after { content: ""; position: absolute; inset: 0; transform: translateX(-120%);
                           background: linear-gradient(100deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
                           animation: brillo 4.5s 1.5s ease-in-out infinite; }
.boton--principal:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(16,163,127,.55); }
.boton--secundario { color: #e5e7eb; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); }
.boton--secundario:hover { background: rgba(255,255,255,.12); transform: translateY(-2px); }
.boton:focus-visible { outline: 3px solid #6ee7b7; outline-offset: 3px; }

/* ---------- maqueta de la app ---------- */
.maqueta { position: relative; animation: emerger 1s .2s var(--curva) both; }
.maqueta__ventana { border-radius: 18px; background: #f8fafc; color: #0f172a; box-shadow: 0 40px 90px rgba(0,0,0,.55),
                    0 0 0 1px rgba(255,255,255,.08); overflow: hidden; transform: perspective(1400px) rotateY(-9deg) rotateX(4deg);
                    animation: mecer 9s ease-in-out infinite; }
.maqueta__barra { display: flex; align-items: center; gap: 7px; padding: 12px 14px; background: #111827; color: #9ca3af; font-size: 12.5px; }
.maqueta__barra i { width: 10px; height: 10px; border-radius: 50%; background: #374151; }
.maqueta__barra i:first-child { background: #f87171; } .maqueta__barra i:nth-child(2) { background: #fbbf24; }
.maqueta__barra i:nth-child(3) { background: #34d399; }
.maqueta__barra span { margin-left: 8px; }
.maqueta__cuerpo { padding: 20px 22px 22px; }
.maqueta__fila { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed #e2e8f0;
                 font-size: 15px; opacity: 0; animation: renglon .5s var(--curva) forwards; }
.maqueta__fila:nth-child(1) { animation-delay: .7s; } .maqueta__fila:nth-child(2) { animation-delay: 1s; }
.maqueta__fila:nth-child(3) { animation-delay: 1.3s; }
.maqueta__total { display: flex; justify-content: space-between; align-items: baseline; margin-top: 14px; font-size: 15px; color: #64748b; }
.maqueta__total strong { font-size: 30px; color: #0f172a; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.maqueta__cae { display: flex; align-items: center; gap: 12px; margin-top: 16px; padding: 12px 14px; border-radius: 12px;
                background: #ecfdf5; border: 1px solid #a7f3d0; opacity: 0; animation: subir .6s 1.8s var(--curva) forwards; }
.maqueta__cae div { display: flex; flex-direction: column; font-size: 14px; }
.maqueta__cae small { color: #047857; }
.maqueta__tilde { width: 32px; height: 32px; flex: none; fill: none; stroke: #10B981; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.maqueta__tilde .maqueta__anillo { stroke-width: 2.6; stroke-dasharray: 44; stroke-dashoffset: 44; animation: dibujar .7s 2s ease forwards; }
.maqueta__tilde .maqueta__marca { stroke-dasharray: 16; stroke-dashoffset: 16; animation: dibujar .4s 2.6s ease forwards; }
.maqueta__chip { position: absolute; display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px;
                 background: rgba(19,23,29,.85); border: 1px solid rgba(255,255,255,.1); color: #e5e7eb; font-size: 14px;
                 backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); box-shadow: 0 12px 30px rgba(0,0,0,.4); }
.maqueta__chip .icono { width: 18px; height: 18px; color: var(--verde-2); }
.maqueta__chip--1 { top: -18px; right: -12px; animation: flotar 6s ease-in-out infinite; }
.maqueta__chip--2 { bottom: -22px; left: 28px; animation: flotar 7s 1s ease-in-out infinite reverse; }

/* ---------- secciones ---------- */
main { display: block; }
.seccion { max-width: 1180px; margin: 0 auto; padding: clamp(56px, 8vw, 96px) clamp(16px, 4vw, 48px); }
.seccion--suave { max-width: none; background: var(--papel); border-block: 1px solid var(--linea);
                  padding-inline: max(clamp(16px, 4vw, 48px), calc((100% - 1180px) / 2 + clamp(16px, 4vw, 48px))); }
.seccion__antetitulo { margin: 0 0 10px; color: var(--verde); font-weight: 700; font-size: 13.5px; letter-spacing: .12em; text-transform: uppercase; }
.seccion h2 { font-size: clamp(28px, 3.6vw, 40px); margin-bottom: 36px; }
.icono { width: 24px; height: 24px; }

.pasos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: paso; }
.paso { position: relative; padding: 28px 24px 24px; border-radius: 20px; background: var(--papel); border: 1px solid var(--linea);
        box-shadow: var(--sombra); transition: transform .3s var(--curva), box-shadow .3s var(--curva); }
.paso:hover { transform: translateY(-4px); box-shadow: var(--sombra-2); }
.paso__numero { position: absolute; top: 18px; right: 20px; font: 800 44px/1 var(--fuente-titulos); color: var(--linea); }
.paso__icono, .funcion__icono { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 14px;
                                color: var(--verde); background: var(--verde-suave); margin-bottom: 18px; }
.paso h3, .funcion h3 { font-size: 20px; margin-bottom: 8px; }
.paso p, .funcion p { margin: 0; color: var(--suave); font-size: 15.5px; }

.funciones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.funcion { padding: 26px 24px; border-radius: 20px; background: var(--fondo); border: 1px solid var(--linea);
           transition: transform .3s var(--curva), border-color .3s, box-shadow .3s; }
.funcion:hover { transform: translateY(-4px); border-color: rgba(16,163,127,.45); box-shadow: var(--sombra-2); }

.seccion--doble { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.seccion--doble h2 { margin-bottom: 20px; }
.requisitos { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.requisitos li { display: flex; gap: 14px; align-items: center; padding: 16px 18px; border-radius: 16px; background: var(--papel);
                 border: 1px solid var(--linea); }
.requisitos .icono { color: var(--verde); flex: none; }
.original p { color: var(--suave); }
.huella { display: flex; align-items: stretch; gap: 8px; margin: 14px 0; }
.huella code { flex: 1; min-width: 0; padding: 12px 14px; border-radius: 12px; background: var(--papel); border: 1px solid var(--linea);
               overflow-wrap: anywhere; font-size: 13px; }
.huella__copiar { display: inline-flex; align-items: center; gap: 6px; padding: 0 16px; border-radius: 12px; border: 1px solid var(--linea);
                  background: var(--papel); color: var(--tinta); font: 600 14px var(--fuente); cursor: pointer; transition: background .2s, color .2s; }
.huella__copiar .icono { width: 18px; height: 18px; }
.huella__copiar:hover { background: var(--verde-suave); color: var(--verde); }
.huella__copiar.copiado { background: var(--verde); color: #fff; border-color: var(--verde); }

.preguntas { display: grid; gap: 12px; max-width: 860px; }
.pregunta { border-radius: 16px; background: var(--papel); border: 1px solid var(--linea); overflow: hidden; transition: border-color .25s; }
.pregunta[open] { border-color: rgba(16,163,127,.45); }
.pregunta summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 20px;
                    font-weight: 650; cursor: pointer; list-style: none; }
.pregunta summary::-webkit-details-marker { display: none; }
.pregunta__signo { position: relative; width: 14px; height: 14px; flex: none; }
.pregunta__signo::before, .pregunta__signo::after { content: ""; position: absolute; top: 6px; left: 0; width: 14px; height: 2px;
                                                    border-radius: 2px; background: var(--verde); transition: transform .3s var(--curva); }
.pregunta__signo::after { transform: rotate(90deg); }
.pregunta[open] .pregunta__signo::after { transform: rotate(0); }
.pregunta p { margin: 0; padding: 0 20px 18px; color: var(--suave); animation: subir .35s var(--curva); }

.cierre { margin: 0 clamp(16px, 4vw, 48px) clamp(56px, 8vw, 96px); max-width: 1084px; border: 1px solid rgba(52,211,153,.18); padding: clamp(40px, 6vw, 64px) 24px; border-radius: 28px; text-align: center;
          background: radial-gradient(600px 240px at 50% 0%, rgba(52,211,153,.35), transparent 70%), var(--marco); color: #fff; }
.cierre h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 26px; }

.pie { padding: 36px 16px 44px; text-align: center; border-top: 1px solid var(--linea); color: var(--suave); font-size: 15px; }
.pie p { margin: 6px 0; }
.marca--pie { color: var(--tinta); margin-bottom: 8px; }

/* ---------- aparecer al bajar (pagina.js agrega .visible) ---------- */
.js .aparece { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--curva), transform .7s var(--curva); }
.js .aparece.visible { opacity: 1; transform: none; }

@keyframes subir { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes emerger { from { opacity: 0; transform: translateY(30px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes renglon { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: none; } }
@keyframes dibujar { to { stroke-dashoffset: 0; } }
@keyframes flotar { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(0, -14px); } }
@keyframes mecer { 0%, 100% { transform: perspective(1400px) rotateY(-9deg) rotateX(4deg); }
                   50% { transform: perspective(1400px) rotateY(-5deg) rotateX(2deg) translateY(-6px); } }
@keyframes latido { 0% { box-shadow: 0 0 0 0 rgba(52,211,153,.6); } 70% { box-shadow: 0 0 0 10px rgba(52,211,153,0); }
                    100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); } }
@keyframes brillo { 0% { transform: translateX(-120%); } 30%, 100% { transform: translateX(120%); } }

/* ---------- celular y tablet ---------- */
@media (min-width: 1181px) { .cierre { margin-inline: auto; } }
@media (max-width: 920px) {
  .heroe__contenido { grid-template-columns: 1fr; }
  .maqueta { max-width: 460px; margin: 12px auto 0; width: 100%; }
  .maqueta__ventana { transform: none; animation: none; }
  .maqueta__chip--2 { left: 16px; }
  .pasos, .funciones { grid-template-columns: 1fr 1fr; }
  .seccion--doble { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .barra__links { display: none; }
  .pasos, .funciones { grid-template-columns: 1fr; }
  .heroe__acciones .boton { width: 100%; justify-content: center; }
  .maqueta__chip--1 { right: 0; }
  .huella { flex-direction: column; }
  .huella__copiar { justify-content: center; padding: 10px; }
}

/* Sin animaciones si la persona lo pidió en su sistema */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .maqueta__fila, .maqueta__cae { opacity: 1; }
  .maqueta__tilde path { stroke-dashoffset: 0; }
  .js .aparece { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}