/* Web publica de IspBoot. Una columna ancha: portada con el chat de ejemplo, rubros, pasos, funciones, precios,
   preguntas y cierre. Indigo de la marca (el mismo del panel) sobre neutros frios. */
:root {
  --fondo: #f5f6fa;
  --papel: #ffffff;
  --tinta: #161a2b;
  --suave: #596079;
  --linea: #e0e3ec;
  --marca: #4f46e5;
  --marca-fuerte: #3730a3;
  --marca-suave: #eceafe;
  --chat-fondo: #e9e4dc;
  --chat-yo: #d9fdd3;
  --chat-otro: #ffffff;
  --ok: #15803d;
  --display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --cuerpo: "Instrument Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --fondo: #0f1220; --papel: #171b2e; --tinta: #e8eaf3; --suave: #a1a7bf; --linea: #272c45;
    --marca: #8b84ff; --marca-fuerte: #b4afff; --marca-suave: #221f4a;
    --chat-fondo: #10151c; --chat-yo: #134d37; --chat-otro: #202c33; --ok: #6fd391;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--fondo); color: var(--tinta); font: 17px/1.6 var(--cuerpo); }
.ancho { max-width: 1120px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px)); }
h1, h2, h3 { font-family: var(--display); line-height: 1.1; margin: 0; text-wrap: balance; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: var(--marca); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--marca); outline-offset: 2px; }

/* Barra superior */
.barra { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: color-mix(in srgb, var(--fondo) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--linea); }
.barra .ancho { display: flex; align-items: center; gap: 24px; min-height: 64px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 800; font-size: 21px;
  color: var(--tinta); text-decoration: none; }
.logo i { width: 30px; height: 30px; border-radius: 9px; background: var(--marca); color: #fff; display: grid; place-items: center;
  font-style: normal; font-size: 16px; }
.menu { display: flex; gap: 22px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.menu a { color: var(--suave); text-decoration: none; font-size: 15px; font-weight: 500; }
.menu a:hover { color: var(--tinta); }
.idioma { font-family: var(--mono); font-size: 13px; }
.idioma a { padding: 2px 4px; }
.idioma a[aria-current="true"] { color: var(--tinta); font-weight: 700; }
.boton { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--marca); color: #fff !important;
  font-weight: 600; text-decoration: none; padding: 12px 22px; border-radius: 10px; border: 0; font-size: 16px; cursor: pointer;
  font-family: var(--cuerpo); }
.boton:hover { background: var(--marca-fuerte); }
.boton.chico { padding: 8px 14px; font-size: 14px; }
.boton.claro { background: transparent; color: var(--tinta) !important; border: 1px solid var(--linea); }
@media (max-width: 760px) { .menu .opc { display: none; } }

/* Portada */
.portada { padding-block: 72px 56px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.portada h1 { font-size: clamp(40px, 6vw, 68px); font-weight: 800; }
.portada h1 em { font-style: normal; color: var(--marca); }
.portada .bajada { font-size: 20px; color: var(--suave); margin-top: 20px; max-width: 34em; }
.acciones { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.nota { margin-top: 18px; font-size: 14px; color: var(--suave); font-family: var(--mono); }
@media (max-width: 900px) { .portada { grid-template-columns: 1fr; padding-top: 48px; } }

/* Telefono con el chat de ejemplo */
.telefono { justify-self: center; width: min(360px, 100%); border-radius: 34px; background: #111; padding: 12px;
  box-shadow: 0 30px 60px -20px rgba(22, 26, 43, 0.45); }
.pantalla { border-radius: 24px; overflow: hidden; background: var(--chat-fondo); }
.cabecera-chat { background: #075e54; color: #fff; padding: 12px 16px; display: flex; gap: 10px; align-items: center; }
.cabecera-chat b { display: block; font-size: 15px; }
.cabecera-chat small { opacity: 0.8; font-size: 12px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--marca); display: grid; place-items: center;
  font-weight: 700; font-family: var(--display); }
.mensajes { display: flex; flex-direction: column; gap: 6px; padding: 16px 12px 20px; }
.msj { max-width: 82%; padding: 7px 10px 18px; border-radius: 10px; font-size: 14px; line-height: 1.4; position: relative;
  background: var(--chat-otro); color: var(--tinta); box-shadow: 0 1px 1px rgba(0, 0, 0, 0.08); }
.msj.yo { align-self: flex-end; background: var(--chat-yo); }
.msj small { position: absolute; right: 8px; bottom: 3px; font-size: 10px; color: var(--suave); }
.msj .link { display: block; margin-top: 6px; padding: 7px; border-radius: 8px; text-align: center; font-weight: 600;
  background: var(--marca-suave); color: var(--marca); font-size: 13px; }
@media (prefers-reduced-motion: no-preference) {
  .msj { animation: entra 0.5s both; }
  .msj:nth-child(2) { animation-delay: 0.35s; } .msj:nth-child(3) { animation-delay: 0.7s; }
  .msj:nth-child(4) { animation-delay: 1.05s; } .msj:nth-child(5) { animation-delay: 1.4s; }
  @keyframes entra { from { transform: translateY(6px); } to { transform: none; } }
}

/* Canales e integraciones */
.franja { border-block: 1px solid var(--linea); background: var(--papel); }
.franja .ancho { display: flex; gap: 12px 32px; padding-block: 20px; flex-wrap: wrap; align-items: baseline; }
.franja b { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--suave); font-weight: 500; }
.franja span { font-weight: 600; }

/* Secciones */
.seccion { padding-block: 88px 8px; }
.seccion > .ancho > h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; }
.seccion .intro { color: var(--suave); font-size: 19px; margin-top: 14px; max-width: 40em; }
.grilla { display: grid; gap: 20px; margin-top: 40px; }
.tres { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .tres { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .tres { grid-template-columns: 1fr; } }

.rubro { background: var(--papel); border: 1px solid var(--linea); border-radius: 16px; padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.rubro h3 { font-size: 22px; }
.rubro ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; color: var(--suave); font-size: 16px; }
.rubro .sistemas { margin-top: auto; font-family: var(--mono); font-size: 12px; color: var(--marca); padding-top: 12px;
  border-top: 1px dashed var(--linea); }

.pasos { list-style: none; padding: 0; counter-reset: paso; }
.pasos li { counter-increment: paso; display: grid; gap: 8px; align-content: start; }
.pasos li::before { content: counter(paso); font-family: var(--display); font-weight: 800; font-size: 56px; line-height: 1;
  color: var(--marca); }
.pasos h3 { font-size: 22px; }
.pasos p { color: var(--suave); }

.funcion { display: grid; gap: 6px; padding-top: 18px; border-top: 2px solid var(--tinta); }
.funcion h3 { font-size: 19px; }
.funcion p { color: var(--suave); font-size: 16px; }

.planes { display: grid; gap: 20px; margin-top: 40px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.plan { background: var(--papel); border: 1px solid var(--linea); border-radius: 16px; padding: 26px; display: flex; flex-direction: column; gap: 10px; }
.plan h3 { font-size: 22px; }
.precio { font-family: var(--display); font-size: 38px; font-weight: 800; font-variant-numeric: tabular-nums; }
.precio small { font-family: var(--cuerpo); font-size: 15px; color: var(--suave); font-weight: 400; }
.plan ul { margin: 0; padding-left: 18px; color: var(--suave); display: grid; gap: 4px; }
.cotizar { margin-top: 32px; background: var(--marca-suave); border-radius: 16px; padding: 28px; display: flex; gap: 20px;
  align-items: center; justify-content: space-between; flex-wrap: wrap; }
.cotizar p { max-width: 38em; }
.letra-chica { color: var(--suave); font-size: 15px; margin-top: 16px; }

.preguntas { margin-top: 32px; display: grid; gap: 0; max-width: 820px; }
.preguntas details { border-bottom: 1px solid var(--linea); padding-block: 18px; }
.preguntas summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.preguntas summary::after { content: "+"; font-family: var(--mono); color: var(--marca); }
.preguntas details[open] summary::after { content: "–"; }
.preguntas details p { color: var(--suave); margin-top: 10px; max-width: 46em; }

.cierre { margin-block: 96px 0; background: var(--tinta); color: var(--fondo); }
.cierre .ancho { padding-block: 64px; display: flex; gap: 24px; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.cierre h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; }
.cierre p { opacity: 0.75; margin-top: 8px; font-size: 18px; }
@media (prefers-color-scheme: dark) { .cierre { background: var(--marca-suave); color: var(--tinta); } }

.pie { padding-block: 28px 40px; color: var(--suave); font-size: 14px; }
.pie .ancho { display: flex; gap: 20px; flex-wrap: wrap; justify-content: space-between; }
.pie nav { display: flex; gap: 18px; }
.pie a { color: var(--suave); }

/* Formulario y paginas simples */
.hoja { max-width: 760px; margin: 0 auto; padding-block: 56px 80px; padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px)); display: grid; gap: 18px; }
.hoja h1 { font-size: clamp(34px, 5vw, 50px); font-weight: 800; }
.hoja .intro { color: var(--suave); font-size: 18px; }
.formulario { background: var(--papel); border: 1px solid var(--linea); border-radius: 16px; padding: 28px; display: grid; gap: 18px; margin-top: 8px; }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .dos { grid-template-columns: 1fr; } .formulario { padding: 20px; } }
.campo { display: grid; gap: 6px; }
.campo label { font-weight: 600; font-size: 15px; }
.campo small { color: var(--suave); font-size: 13px; }
.campo input, .campo select, .campo textarea { font: inherit; font-size: 16px; padding: 11px 12px; border-radius: 10px;
  border: 1px solid var(--linea); background: var(--fondo); color: var(--tinta); width: 100%; }
.campo textarea { min-height: 96px; resize: vertical; }
.acepto { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.acepto input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--marca); }
.error { background: #fde8e8; color: #9b1c1c; border-radius: 10px; padding: 12px 14px; font-weight: 500; }
@media (prefers-color-scheme: dark) { .error { background: #3b1414; color: #fca5a5; } }
.oculto { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.legal h2 { font-size: 24px; margin-top: 18px; }
.legal p, .legal li { color: var(--suave); max-width: 44em; }
.legal ul { display: grid; gap: 6px; }
.listo { font-size: 56px; }