/* Molde de guías · versión clara (16-oct-2026)
   Inspiración de limpieza: páginas de @tech.andres. Identidad propia: azul de Abraham + chat comentario→DM. */

:root {
  --fondo: #FFFFFF;
  --cuadro: rgba(17, 18, 20, .045);
  --tinta: #141518;
  --tinta-2: #6B6E75;
  --tinta-3: #777A80;
  --blanco: #FFFFFF;
  --gris-suave: #F2F2EF;
  --borde: rgba(17, 18, 20, .08);
  --azul: #3F6FF2;
  --azul-suave: #E9EFFF;
  --menta: #22C38E;
  --sombra: 0 1px 2px rgba(17, 18, 20, .04), 0 8px 24px -12px rgba(17, 18, 20, .12);
  --radio: 22px;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background-color: var(--fondo);
  background-image:
    radial-gradient(ellipse 120% 60% at 50% -12%, rgba(63, 111, 242, .13), transparent 62%),
    url("topo.svg?v=4");
  background-size: 100% 900px, 900px 900px;
  background-repeat: no-repeat, repeat;
  background-position: center top, center top;
  color: var(--tinta);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Progreso de lectura ---------- */
.progreso {
  position: fixed; top: env(safe-area-inset-top, 0px); left: 0; right: 0; height: 2px; z-index: 40;
  background: var(--azul); opacity: .85; transform: scaleX(0); transform-origin: left; transition: transform .1s linear;
}

/* ---------- Barra superior ---------- */
.barra-sup {
  position: sticky; top: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px;
  background: rgba(255, 255, 255, .82);
  -webkit-backdrop-filter: saturate(160%) blur(14px); backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--borde);
}
.marca { font-weight: 650; letter-spacing: -.02em; font-size: 15.5px; color: var(--tinta); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.marca svg { width: 18px; height: 18px; }
.seguir { font-size: 13.5px; font-weight: 600; color: var(--tinta); text-decoration: none; border: 1px solid var(--borde); background: var(--blanco); border-radius: 10px; padding: 7px 12px; }

.pagina { max-width: 600px; margin: 0 auto; padding: 0 16px 140px; }

/* ---------- Portada ---------- */
.portada { text-align: center; padding: 40px 4px 8px; }
.antetitulo { font-size: 14px; color: var(--tinta-2); letter-spacing: -.005em; }
.antetitulo b { color: var(--tinta); font-weight: 650; }

/* Subrayado a mano */
.subrayado { position: relative; white-space: nowrap; display: inline-block; }
.subrayado svg { position: absolute; left: -2%; width: 104%; height: .42em; bottom: -.16em; overflow: visible; pointer-events: none; }
.subrayado path { fill: none; stroke: var(--azul); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; opacity: .9;
  stroke-dasharray: 340; stroke-dashoffset: 340; animation: trazar 1.1s cubic-bezier(.6, .1, .3, 1) .5s forwards; }
.subrayado path + path { stroke-width: 2.6; opacity: .55; animation-delay: 1.2s; animation-duration: .8s; }
@keyframes trazar { to { stroke-dashoffset: 0; } }

/* Número de sección (en vez de etiquetas tipo píldora) */
.num-seccion { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; font-size: 13px; font-weight: 600; color: var(--tinta-2); font-variant-numeric: tabular-nums; }
.num-seccion::after { content: ""; flex: 1; height: 1px; background: var(--borde); }
.num-seccion b { color: var(--azul); font-weight: 700; }
h1 {
  margin-top: 4px; font-weight: 550; font-size: clamp(31px, 8.6vw, 44px);
  line-height: 1.08; letter-spacing: -.035em;
}
h1 .gris, h2 .gris { color: inherit; }
.subtitulo { margin: 16px auto 0; max-width: 30em; color: var(--tinta-2); font-size: 17px; }

/* ---------- Chat animado: comentario → DM ---------- */
.chat {
  margin: 30px auto 0; max-width: 360px; text-align: left;
  background: var(--blanco); border: 1px solid rgba(17, 18, 20, .12); border-radius: 28px;
  padding: 16px 16px 18px; position: relative; overflow: hidden;
}
.chat-cab { display: flex; align-items: center; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid var(--borde); margin-bottom: 14px; }
.chat-cab .avatar { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, #DCE5FF, #C9F2E2); }
.chat-cab .nombre { font-size: 13.5px; font-weight: 600; }
.linea-chat { display: grid; gap: 8px; min-height: 150px; align-content: start; }
.msg { max-width: 80%; padding: 9px 13px; border-radius: 18px; font-size: 14.5px; line-height: 1.35; opacity: 0; transform: translateY(6px) scale(.98); }
.msg.de-ellos { background: var(--gris-suave); justify-self: start; border-bottom-left-radius: 6px; }
.msg.de-ellos b { color: var(--azul); letter-spacing: .02em; }
.msg.mio { background: var(--azul); color: #fff; justify-self: end; border-bottom-right-radius: 6px; }
.escribiendo { justify-self: end; display: flex; gap: 4px; padding: 11px 13px; background: var(--azul-suave); border-radius: 18px; opacity: 0; }
.escribiendo i { width: 6px; height: 6px; border-radius: 50%; background: var(--azul); opacity: .5; animation: puntito 1s infinite; }
.escribiendo i:nth-child(2) { animation-delay: .15s; } .escribiendo i:nth-child(3) { animation-delay: .3s; }
.boton-link {
  justify-self: end; font-size: 13.5px; font-weight: 600; color: var(--azul);
  border: 1px solid #C9D7FF; background: var(--blanco); border-radius: 999px; padding: 7px 14px; opacity: 0;
  position: relative; overflow: hidden;
}
.boton-link::after { /* brillo que pasa */
  content: ""; position: absolute; inset: 0; transform: translateX(-120%);
  background: linear-gradient(100deg, transparent 30%, rgba(63, 111, 242, .18) 50%, transparent 70%);
  animation: brillo 2.4s ease-in-out infinite;
}
.chat.anima .c1 { animation: entra 8s infinite; }
.chat.anima .c2 { animation: escribe 8s infinite; }
.chat.anima .c3 { animation: entra3 8s infinite; }
.chat.anima .c4 { animation: entra4 8s infinite; }
@keyframes entra3 { 0%, 30% { opacity: 0; transform: translateY(6px) scale(.98); } 36%, 85% { opacity: 1; transform: none; } 93%, 100% { opacity: 0; } }
@keyframes entra4 { 0%, 36% { opacity: 0; transform: translateY(6px) scale(.98); } 42%, 85% { opacity: 1; transform: none; } 93%, 100% { opacity: 0; } }
@keyframes entra { 0%, 3% { opacity: 0; transform: translateY(6px) scale(.98); } 8%, 85% { opacity: 1; transform: none; } 93%, 100% { opacity: 0; } }
@keyframes escribe { 0%, 9% { opacity: 0; } 12%, 25% { opacity: 1; } 27%, 100% { opacity: 0; height: 0; padding: 0; margin: -4px 0; } }
@keyframes puntito { 0%, 100% { transform: translateY(0); opacity: .4; } 50% { transform: translateY(-3px); opacity: 1; } }
@keyframes brillo { 0% { transform: translateX(-120%); } 60%, 100% { transform: translateX(120%); } }

/* ---------- Bloques ---------- */
section { margin-top: 64px; }
h2 { font-weight: 550; font-size: clamp(25px, 6.6vw, 32px); line-height: 1.12; letter-spacing: -.03em; margin-bottom: 18px; }
.nota { color: var(--tinta-2); font-size: 15px; }

.tarjeta { background: var(--blanco); border: 1px solid rgba(17, 18, 20, .12); border-radius: var(--radio); }
.filas { list-style: none; padding: 6px 18px; }
.filas li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--borde); }
.filas li:last-child { border-bottom: 0; }
.icono { width: 34px; height: 34px; border-radius: 10px; background: var(--gris-suave); display: grid; place-items: center; color: var(--tinta); }
.icono svg { width: 18px; height: 18px; }
.filas h3 { font-size: 15.5px; font-weight: 650; letter-spacing: -.01em; margin-bottom: 2px; }
.filas p { color: var(--tinta-2); font-size: 15px; }
.lista-simple { list-style: none; margin-top: 4px; display: grid; gap: 6px; }
.lista-simple li { display: block; padding: 0 0 0 18px; border: 0; position: relative; color: var(--tinta-2); font-size: 15px; }
.lista-simple li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--azul); }
.lista-simple li b { color: var(--tinta); font-weight: 600; }
.calma { margin-top: 10px; font-size: 14.5px; color: var(--tinta); background: var(--azul-suave); border-radius: 12px; padding: 10px 12px; }

.afiliado {
  margin-top: 12px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--gris-suave); border-radius: 14px; padding: 12px 14px; text-decoration: none; color: var(--tinta);
}
.afiliado small { display: block; color: var(--tinta-2); font-size: 12.5px; margin-bottom: 2px; }
.afiliado strong { font-size: 14.5px; font-weight: 650; }
.afiliado .flecha { font-size: 18px; color: var(--tinta-2); }
.afiliado .descuento { display: block; margin-top: 2px; font-style: normal; font-size: 13px; font-weight: 600; color: var(--azul); }

.aviso {
  margin-top: 26px; padding: 18px; border-radius: var(--radio);
  background: linear-gradient(135deg, #EEF2FF 0%, #F1FBF7 100%); border: 1px solid #DCE4FF;
}
.aviso p { font-size: 15.5px; }
.aviso p b { font-weight: 650; }

/* Pasos con línea que se llena al bajar */
.pasos { list-style: none; position: relative; padding-left: 4px; }
.pasos::before { content: ""; position: absolute; left: 19px; top: 12px; height: var(--total, calc(100% - 24px)); width: 2px; background: var(--borde); }
.pasos::after { content: ""; position: absolute; left: 19px; top: 12px; width: 2px; height: min(var(--avance, 0px), var(--total, 100%)); background: var(--azul); transition: height .2s linear; }
.pasos li { position: relative; display: grid; grid-template-columns: 32px 1fr; gap: 14px; padding: 10px 0 18px; }
.pasos .num {
  width: 32px; height: 32px; border-radius: 50%; background: var(--blanco); border: 1px solid var(--borde);
  display: grid; place-items: center; font-size: 13.5px; font-weight: 650; position: relative; z-index: 1;
  transition: background .3s, color .3s, border-color .3s;
}
.pasos li.hecho .num { background: var(--azul); color: #fff; border-color: var(--azul); }
.pasos h3 { font-size: 16px; font-weight: 650; letter-spacing: -.01em; padding-top: 4px; }
.pasos p { color: var(--tinta-2); font-size: 15px; margin-top: 2px; }

/* Botones */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: 15.5px; font-weight: 600; letter-spacing: -.01em;
  border: 0; border-radius: 14px; padding: 13px 20px; cursor: pointer; text-decoration: none;
  background: linear-gradient(180deg, #2F5FE8, #2550D6); color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .18) inset;
  transition: transform .15s ease; overflow-wrap: anywhere;
}
.boton:active { transform: scale(.97); }
.boton.claro { background: var(--blanco); color: var(--tinta); border: 1px solid var(--borde); box-shadow: none; }
.boton.azul { background: linear-gradient(180deg, #2F5FE8, #2550D6); }
.ancho { width: 100%; margin-top: 14px; }

/* Bloque para la IA (oscuro a propósito: "esto es para la máquina") */
.bloque-ia { background: #121316; border-radius: var(--radio); overflow: hidden; box-shadow: 0 18px 40px -20px rgba(17, 18, 20, .55); }
.bloque-ia .cabeza { display: flex; justify-content: space-between; align-items: center; padding: 12px 12px 12px 16px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.bloque-ia .cabeza span { font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; color: #8A8E96; }
.semaforo { display: inline-flex; gap: 6px; margin-right: 10px; vertical-align: middle; }
.semaforo i { width: 9px; height: 9px; border-radius: 50%; background: #3A3D44; }
.bloque-ia pre {
  font-family: var(--mono); font-size: 12.5px; line-height: 1.6; color: #C9CCD3;
  padding: 16px; white-space: pre-wrap; word-break: break-word; max-height: 340px; overflow: hidden;
  -webkit-mask-image: linear-gradient(180deg, #000 85%, transparent);
          mask-image: linear-gradient(180deg, #000 85%, transparent);
}
.bloque-ia.abierto pre { max-height: none; overflow: visible; -webkit-mask-image: none; mask-image: none; }
.bloque-ia.abierto .ver-todo { display: none; }
.ver-todo { width: 100%; background: transparent; color: #8A8E96; border: 0; border-top: 1px solid rgba(255, 255, 255, .08); padding: 12px; font: inherit; font-size: 14px; cursor: pointer; }

/* Prueba */
.prueba { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: center; padding: 18px; }
.palomita { width: 44px; height: 44px; border-radius: 50%; background: #E6F8F1; display: grid; place-items: center; }
.palomita svg { width: 22px; height: 22px; stroke: var(--menta); stroke-dasharray: 30; stroke-dashoffset: 30; }
.visible .palomita svg { animation: trazo .7s ease-out .3s forwards; }
@keyframes trazo { to { stroke-dashoffset: 0; } }

/* Correo */
.correo { padding: 20px; background: linear-gradient(135deg, #F2F5FF, #FFFFFF 60%); }
.correo form { display: grid; gap: 8px; margin-top: 14px; }
.correo input {
  flex: 1; min-width: 0; font: inherit; font-size: 16px; padding: 12px 14px; border-radius: 14px;
  border: 1px solid var(--borde); background: var(--gris-suave); color: var(--tinta);
}
.correo input:disabled, .correo button:disabled { opacity: .55; cursor: not-allowed; }

footer { margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--borde); font-size: 12.5px; color: var(--tinta-2); display: grid; gap: 6px; text-align: center; }
footer a { color: var(--tinta); }

/* Barra fija de abajo */
.barra-inf {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .86); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-top: 1px solid var(--borde);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  transform: translateY(110%); transition: transform .35s ease;
}
.barra-inf.mostrar { transform: none; }
.barra-inf p { font-size: 13px; color: var(--tinta-2); line-height: 1.3; }
.barra-inf p b { display: block; color: var(--tinta); font-size: 14.5px; }

/* Aparecer al bajar (sin JS todo se ve igual) */
.js .revela { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .revela.visible, .ya .revela { opacity: 1; transform: none; }

@media (max-width: 340px) { h1 { font-size: 28px; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .msg, .boton-link { opacity: 1 !important; transform: none !important; }
  .subrayado path { stroke-dashoffset: 0; }
  .escribiendo { display: none; }
  .js .revela { opacity: 1; transform: none; }
  .palomita svg { stroke-dashoffset: 0; }
}