/* ============================================================
   IzApp · Página de presentación (izapp.cl)
   Marca: navy #022340 + naranjo #E49D4F (los colores del logo).
   Tipografía: la misma de la app (Barlow Condensed, Inter,
   IBM Plex Mono), servida desde este mismo sitio.
   ============================================================ */

@font-face { font-family: "Barlow Condensed"; font-weight: 600; font-display: swap;
  src: url("/fonts/barlow-condensed-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 700; font-display: swap;
  src: url("/fonts/barlow-condensed-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 400; font-display: swap;
  src: url("/fonts/inter-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap;
  src: url("/fonts/inter-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap;
  src: url("/fonts/inter-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 700; font-display: swap;
  src: url("/fonts/inter-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-display: swap;
  src: url("/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; font-display: swap;
  src: url("/fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2"); }

:root {
  --navy: #022340;
  --navy-950: #011427;
  --navy-900: #011B33;
  --navy-800: #0A2F52;
  --navy-700: #16406A;
  --orange: #E49D4F;
  --orange-600: #D2873A;
  --orange-ink: #9C5316;
  --orange-50: #FBF0E2;
  --paper: #F7F5EF;
  --white: #FFFFFF;
  --ink: #0E1B2A;
  --muted: #4A5A6A;
  --on-navy: #E8EEF5;
  --on-navy-soft: #B9C7D6;
  --line: #E4DFD4;
  --line-navy: rgba(255, 255, 255, .12);

  --display: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(2, 35, 64, .06), 0 8px 24px rgba(2, 35, 64, .07);
  --shadow-lg: 0 24px 60px rgba(1, 20, 39, .45);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.05; margin: 0; letter-spacing: -.005em; }
h2 { font-size: clamp(2rem, 4.2vw, 3rem); }
h3 { font-size: 1.45rem; font-weight: 600; letter-spacing: 0; }

.contenedor { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.solo-lectores { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.salto { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--orange); color: var(--navy);
  padding: 10px 14px; border-radius: 8px; font-weight: 600; text-decoration: none; }
.salto:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; border-radius: 6px; }

.ic { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 22px; border-radius: 10px;
  font: 600 1rem/1.2 var(--body); text-decoration: none; white-space: nowrap;
  border: 1.5px solid transparent; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, transform .15s ease;
}
.btn .ic { width: 20px; height: 20px; }
.btn:active { transform: translateY(1px); }
.btn-naranjo { background: var(--orange); color: var(--navy); }
.btn-naranjo:hover { background: #ECAE69; }
.btn-borde { border-color: rgba(255, 255, 255, .35); color: var(--white); }
.btn-borde:hover { border-color: var(--white); background: rgba(255, 255, 255, .06); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-800); }
.btn-borde-navy { border-color: rgba(2, 35, 64, .3); color: var(--navy); background: var(--white); }
.btn-borde-navy:hover { border-color: var(--navy); }
.btn-chico { min-height: 40px; padding: 8px 16px; font-size: .95rem; }

/* ---------- Encabezado ---------- */
.cabecera {
  position: sticky; top: 0; z-index: 50;
  background: rgba(1, 27, 51, .94);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-navy);
}
.cabecera .contenedor { display: flex; align-items: center; gap: 24px; height: 66px; }
.marca { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--white); }
.marca-logo { width: 38px; height: 38px; border-radius: 9px; background: var(--navy); display: grid; place-items: center;
  box-shadow: inset 0 0 0 1px rgba(228, 157, 79, .35); }
.marca-logo svg { width: 30px; height: 30px; }
.marca-nombre { font-family: var(--display); font-weight: 700; font-size: 1.75rem; letter-spacing: .01em; line-height: 1; }
.cabecera .marca { margin-right: auto; }
.menu { display: flex; gap: 26px; }
.menu a { color: var(--on-navy-soft); text-decoration: none; font-size: .95rem; font-weight: 500; }
.menu a:hover { color: var(--white); }
.cabecera .btn { margin-left: 4px; }
@media (max-width: 860px) {
  .menu { display: none; }
}

/* ---------- Portada ---------- */
.portada {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 520px at 78% 38%, rgba(228, 157, 79, .16), transparent 62%),
    radial-gradient(700px 500px at 0% 100%, rgba(22, 64, 106, .55), transparent 70%),
    var(--navy);
  color: var(--on-navy);
  padding: 72px 0 132px;
}
.portada::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 66L0 50V16L28 0l28 16v34L28 66zm0 0v34' fill='none' stroke='%23E49D4F' stroke-opacity='.075' stroke-width='1.2'/%3E%3C/svg%3E");
  background-size: 56px 100px;
  -webkit-mask-image: linear-gradient(100deg, transparent 0%, #000 45%, #000 100%);
  mask-image: linear-gradient(100deg, transparent 0%, #000 45%, #000 100%);
}
.portada .contenedor { position: relative; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 48px; align-items: center; }
.antetitulo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--display); font-weight: 600; font-size: 1rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 18px;
}
.antetitulo::before { content: ""; width: 26px; height: 2px; background: currentColor; }
.portada h1 { font-size: clamp(2.6rem, 5.6vw, 4.25rem); line-height: .98; color: var(--white); margin-bottom: 22px; text-wrap: balance; }
.portada h1 em { font-style: normal; color: var(--orange); }
.entrada { font-size: 1.14rem; color: var(--on-navy-soft); max-width: 34em; margin-bottom: 30px; }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; }
.sellos { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--on-navy-soft); font-size: .93rem; }
.sellos li { display: inline-flex; align-items: center; gap: 8px; }
.sellos .ic { width: 18px; height: 18px; color: var(--orange); stroke-width: 2.4; }

/* ---------- Teléfono de ejemplo (imita la app real) ---------- */
.escena { position: relative; display: flex; flex-direction: column; align-items: center; margin: 0; padding-top: 64px; }
.telefono {
  position: relative; width: 300px; border-radius: 42px; padding: 10px;
  background: linear-gradient(160deg, #1A2A3C, #070F18 60%);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255, 255, 255, .08);
}
.pantalla { border-radius: 33px; overflow: hidden; background: #F3F1EA; color: #1C2126; font-size: 13px; line-height: 1.35; }
.barra-estado { display: flex; justify-content: space-between; align-items: center; padding: 10px 22px 6px; background: #1C2126; color: #fff;
  font: 600 12px/1 var(--body); }
.barra-estado span:last-child { display: inline-flex; gap: 5px; align-items: center; }
.bateria { width: 22px; height: 11px; border: 1.5px solid #fff; border-radius: 3px; position: relative; }
.bateria::after { content: ""; position: absolute; inset: 1.5px 5px 1.5px 1.5px; background: #fff; border-radius: 1px; }
.senal { display: inline-flex; gap: 2px; align-items: flex-end; height: 11px; }
.senal i { width: 3px; background: #fff; border-radius: 1px; }
.senal i:nth-child(1) { height: 4px; } .senal i:nth-child(2) { height: 7px; } .senal i:nth-child(3) { height: 11px; }
.app-cabecera { background: #1C2126; color: #fff; padding: 10px 18px 14px; border-bottom: 3px solid #F2B705; }
.app-cabecera b { font-family: var(--display); font-size: 21px; font-weight: 700; letter-spacing: .01em; }
.app-cuerpo { padding: 14px 12px 16px; }
.tarjeta-plan { background: #fff; border: 1px solid #D9D2C1; border-radius: 12px; padding: 13px 13px 14px; box-shadow: 0 1px 2px rgba(28, 33, 38, .06); }
.tp-arriba { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.tp-num { font: 600 12px/1 var(--mono); color: #4B535B; }
.chip { display: inline-block; padding: 4px 8px; border-radius: 999px; font: 600 10.5px/1.1 var(--body); }
.chip-espera { background: #FDF3D9; color: #7A5600; }
.chip-precaucion { background: #FDF3D9; color: #7A5600; border: 1px solid #F0D48A; }
.tp-titulo { font: 700 17px/1.15 var(--display); letter-spacing: .01em; margin: 2px 0 10px; }
.tp-datos { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; margin-bottom: 10px; }
.tp-datos div { background: #F3F1EA; border-radius: 8px; padding: 7px 8px; display: flex; flex-direction: column; justify-content: space-between; gap: 2px; }
.tp-datos small { display: block; color: #4B535B; font-size: 10px; margin-bottom: 2px; }
.tp-datos strong { font: 600 13.5px/1.1 var(--mono); }
.uso { margin: 0 0 10px; }
.uso-fila { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; font-size: 11.5px; }
.uso-fila strong { font: 600 14px/1 var(--mono); }
.uso .chip { margin-top: 9px; }
.uso-barra { height: 7px; border-radius: 99px; background: #ECE8DD; overflow: hidden; }
.uso-barra i { display: block; height: 100%; width: 62%; border-radius: 99px; background: linear-gradient(90deg, #3C8C5C 0 80%, #F2B705 80%); }
.firmas { list-style: none; margin: 0 0 12px; padding: 10px 0 0; border-top: 1px dashed #D9D2C1; }
.firmas li { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 12px; }
.firmas li span:last-child { margin-left: auto; font: 500 11px/1 var(--mono); color: #4B535B; }
.punto { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; flex: none; }
.punto-ok { background: #E1F0E5; color: #3C8C5C; }
.punto-ok svg { width: 11px; height: 11px; stroke-width: 3.2; }
.punto-pend { border: 1.5px dashed #B5850A; }
.btn-app { display: block; width: 100%; text-align: center; padding: 10px; border-radius: 8px; background: #2E5266; color: #fff;
  font: 600 12.5px/1.2 var(--body); }
/* El aviso se apoya sobre la barra de estado del teléfono, como un aviso real:
   su borde inferior queda siempre 40 px bajo el borde superior del teléfono,
   sin importar cuántas líneas ocupe el texto. */
.aviso-flotante {
  position: absolute; bottom: calc(100% - 40px); left: 50%; transform: translateX(-62%); z-index: 2;
  width: 292px; display: flex; gap: 10px; align-items: flex-start;
  background: #FFFFFF; color: var(--ink); border-radius: 18px; padding: 11px 13px;
  box-shadow: 0 18px 40px rgba(1, 20, 39, .35); font-size: 12.5px; line-height: 1.35;
}
.aviso-flotante .mini-logo { width: 34px; height: 34px; border-radius: 8px; background: var(--navy); display: grid; place-items: center; flex: none; }
.aviso-flotante .mini-logo svg { width: 27px; height: 27px; }
.aviso-flotante small { color: var(--muted); font-size: 11px; }
.aviso-flotante b { display: block; font-size: 13px; }
.pie-escena { margin-top: 16px; font-size: .8rem; color: var(--on-navy-soft); opacity: .8; }

@media (max-width: 960px) {
  .portada { padding: 48px 0 120px; }
  .portada .contenedor { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 420px) {
  .telefono { width: 280px; }
  .aviso-flotante { width: 272px; transform: translateX(-54%); }
  .acciones .btn { flex: 1 1 100%; }
}

/* ---------- Franja de valor (monta sobre la portada) ---------- */
.valor { margin-top: -84px; position: relative; z-index: 3; }
.valor-grilla { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.valor-item { background: var(--white); border-radius: var(--radius); padding: 26px 24px 22px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.valor-item .ic-caja { width: 46px; height: 46px; border-radius: 12px; background: var(--orange-50); color: var(--orange-ink); display: grid; place-items: center; margin-bottom: 16px; }
.valor-item h3 { margin-bottom: 8px; }
.valor-item p { margin: 0; color: var(--muted); font-size: .98rem; }
@media (max-width: 680px) { .valor-grilla { grid-template-columns: 1fr; } }

/* ---------- Secciones ---------- */
.seccion { padding: 96px 0; }
.seccion-cabeza { max-width: 720px; margin-bottom: 44px; }
.seccion-cabeza .antetitulo { color: var(--orange-ink); }
.seccion-cabeza p { color: var(--muted); font-size: 1.1rem; margin: 16px 0 0; }
@media (max-width: 700px) { .seccion { padding: 72px 0; } }

/* Cómo funciona */
.pasos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; counter-reset: paso; position: relative; }
.pasos::before { content: ""; position: absolute; top: 29px; left: 30px; right: 30px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--orange) 0 8px, transparent 8px 14px); opacity: .7; }
.paso { position: relative; }
.hex {
  width: 58px; height: 64px; display: grid; place-items: center; margin-bottom: 18px; position: relative;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  background: var(--orange); color: var(--navy);
  font: 700 1.6rem/1 var(--display);
}
.paso h3 { margin-bottom: 8px; }
.paso p { color: var(--muted); font-size: .98rem; margin: 0; }
@media (max-width: 960px) {
  .pasos { grid-template-columns: 1fr; gap: 0; }
  .pasos::before { display: none; }
  /* En columna, cada paso dibuja su propio tramo de línea hasta el siguiente */
  .paso:not(:last-child)::after { content: ""; position: absolute; left: 28px; top: 72px; bottom: 8px; width: 2px;
    background: repeating-linear-gradient(180deg, var(--orange) 0 8px, transparent 8px 14px); opacity: .7; }
  .paso { display: grid; grid-template-columns: 58px 1fr; gap: 0 20px; padding-bottom: 30px; }
  .paso:last-child { padding-bottom: 0; }
  .paso .hex { margin-bottom: 0; grid-row: span 2; }
  .paso h3 { align-self: end; padding-top: 6px; }
}

/* Funciones */
.funciones { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.grilla-funciones { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.funcion { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; background: var(--paper); }
.funcion .ic-caja { width: 42px; height: 42px; border-radius: 11px; background: var(--navy); color: var(--orange); display: grid; place-items: center; margin-bottom: 16px; }
.funcion .ic-caja .ic { width: 22px; height: 22px; }
.funcion h3 { font-size: 1.3rem; margin-bottom: 8px; }
.funcion p { margin: 0; color: var(--muted); font-size: .94rem; line-height: 1.55; }
@media (max-width: 1060px) { .grilla-funciones { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .grilla-funciones { grid-template-columns: 1fr; } }

/* Trazabilidad */
.trazabilidad { background: var(--navy-900); color: var(--on-navy); position: relative; overflow: hidden; }
.trazabilidad::after {
  content: ""; position: absolute; right: -120px; top: -60px; width: 520px; height: 520px; pointer-events: none;
  background: radial-gradient(closest-side, rgba(228, 157, 79, .12), transparent);
}
.trazabilidad h2 { color: var(--white); }
.trazabilidad .seccion-cabeza .antetitulo { color: var(--orange); }
.trazabilidad .seccion-cabeza p { color: var(--on-navy-soft); }
.traz-grilla { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 48px; align-items: start; position: relative; z-index: 1; }
.traz-lista { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 26px 32px; }
.traz-lista li { display: grid; grid-template-columns: 40px 1fr; gap: 0 14px; align-content: start; }
.traz-lista .ic-caja { width: 40px; height: 40px; border-radius: 10px; background: rgba(228, 157, 79, .12); color: var(--orange); display: grid; place-items: center; grid-row: span 2; }
.traz-lista .ic-caja .ic { width: 21px; height: 21px; }
.traz-lista h3 { font-size: 1.25rem; color: var(--white); margin: 2px 0 6px; }
.traz-lista p { margin: 0; color: var(--on-navy-soft); font-size: .95rem; line-height: 1.55; }
.registro {
  background: #0B2440; border: 1px solid var(--line-navy); border-radius: 16px; padding: 22px 22px 18px;
  font-size: .9rem; box-shadow: 0 20px 50px rgba(0, 0, 0, .25);
}
.registro-cabeza { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 14px; }
.registro-cabeza b { font: 700 1.2rem/1.1 var(--display); color: var(--white); letter-spacing: .01em; }
.registro-cabeza small { color: var(--on-navy-soft); font-size: .78rem; }
.registro dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 0; }
.registro dt, .registro dd { margin: 0; padding: 9px 0; border-top: 1px solid var(--line-navy); }
.registro dt { color: var(--on-navy-soft); padding-right: 14px; }
.registro dd { font: 500 .88rem/1.4 var(--mono); color: var(--white); text-align: right; }
.verificado { margin-top: 14px; display: flex; align-items: center; gap: 10px; background: rgba(60, 140, 92, .16); border: 1px solid rgba(96, 186, 132, .35);
  color: #BFE8CD; border-radius: 10px; padding: 10px 12px; font-weight: 600; font-size: .9rem; }
.verificado .ic { width: 18px; height: 18px; }
.registro-pie { margin: 10px 0 0; color: var(--on-navy-soft); font-size: .78rem; opacity: .85; }
@media (max-width: 960px) {
  .traz-grilla { grid-template-columns: 1fr; }
  .registro { max-width: 460px; }
}
@media (max-width: 640px) { .traz-lista { grid-template-columns: 1fr; } }

/* Ya es cliente */
.cliente { background: var(--orange-50); border-top: 1px solid #F1DEC4; border-bottom: 1px solid #F1DEC4; padding: 56px 0; }
.cliente .contenedor { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.cliente h2 { font-size: clamp(1.8rem, 3.4vw, 2.4rem); margin-bottom: 8px; }
.cliente p { margin: 0; color: var(--muted); max-width: 36em; }
.cliente .atajos { margin-top: 12px; font-size: .92rem; color: var(--muted); display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.cliente .atajos code { font: 600 .9rem/1 var(--mono); color: var(--navy); background: rgba(255, 255, 255, .75); padding: 5px 8px; border-radius: 6px; white-space: nowrap; }
.cliente .acciones { flex: 0 1 auto; }
@media (max-width: 600px) { .cliente .acciones { width: 100%; } .cliente .acciones .btn { flex: 1 1 100%; } }

/* Contacto */
.contacto-caja {
  background: var(--navy); color: var(--on-navy); border-radius: 22px; padding: 56px 48px; position: relative; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 40px; align-items: center;
}
.contacto-caja::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 66L0 50V16L28 0l28 16v34L28 66zm0 0v34' fill='none' stroke='%23E49D4F' stroke-opacity='.07' stroke-width='1.2'/%3E%3C/svg%3E");
  background-size: 56px 100px;
  -webkit-mask-image: linear-gradient(90deg, transparent 20%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 20%, #000 100%);
}
.contacto-caja > * { position: relative; }
.contacto-caja h2 { color: var(--white); margin-bottom: 14px; }
.contacto-caja p { color: var(--on-navy-soft); font-size: 1.08rem; margin: 0; }
.contacto-datos { background: rgba(255, 255, 255, .05); border: 1px solid var(--line-navy); border-radius: 16px; padding: 26px; }
.contacto-datos small { display: block; color: var(--on-navy-soft); font-size: .85rem; margin-bottom: 6px; }
.correo-grande { display: block; font: 600 clamp(1.25rem, 2.6vw, 1.6rem)/1.2 var(--body); color: var(--white); text-decoration: none; word-break: break-all; margin-bottom: 18px; }
.correo-grande:hover { color: var(--orange); }
@media (max-width: 860px) {
  .contacto-caja { grid-template-columns: 1fr; padding: 40px 24px; border-radius: 18px; }
}

/* Pie */
.pie { background: var(--navy-950); color: var(--on-navy-soft); padding: 44px 0 36px; font-size: .92rem; }
.pie .contenedor { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start; }
.pie p { margin: 12px 0 0; max-width: 40em; }
.pie nav { display: flex; gap: 22px; flex-wrap: wrap; }
.pie nav a { color: var(--on-navy); text-decoration: none; }
.pie nav a:hover { color: var(--orange); }
.pie .legal { grid-column: 1 / -1; max-width: none; border-top: 1px solid var(--line-navy); padding-top: 18px; margin-top: 6px; font-size: .84rem; opacity: .85; }
@media (max-width: 700px) { .pie .contenedor { grid-template-columns: 1fr; } }

/* ---------- Página: instalar ---------- */
.portada-simple { background: var(--navy); color: var(--on-navy); padding: 56px 0 104px; position: relative; overflow: hidden; }
.portada-simple::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 66L0 50V16L28 0l28 16v34L28 66zm0 0v34' fill='none' stroke='%23E49D4F' stroke-opacity='.07' stroke-width='1.2'/%3E%3C/svg%3E");
  background-size: 56px 100px;
  -webkit-mask-image: linear-gradient(100deg, transparent 10%, #000 70%);
  mask-image: linear-gradient(100deg, transparent 10%, #000 70%);
}
.portada-simple .contenedor { position: relative; max-width: 900px; }
.portada-simple h1 { font-size: clamp(2.4rem, 6vw, 3.8rem); color: var(--white); margin-bottom: 16px; }
.portada-simple p { color: var(--on-navy-soft); font-size: 1.1rem; max-width: 36em; }
.instalar { margin-top: -64px; position: relative; z-index: 2; padding-bottom: 72px; }
.instalar .contenedor { max-width: 900px; }
.sistemas { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.sistema { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px 24px; }
.sistema h2 { font-size: 1.8rem; margin-bottom: 4px; display: flex; align-items: center; gap: 10px; }
.sistema .navegador { color: var(--muted); font-size: .95rem; margin-bottom: 16px; }
.sistema ol { list-style: none; counter-reset: n; margin: 0; padding: 0; }
.sistema li { counter-increment: n; position: relative; padding: 0 0 16px 44px; }
.sistema li:last-child { padding-bottom: 0; }
.sistema li::before {
  content: counter(n); position: absolute; left: 0; top: -1px; width: 30px; height: 33px;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  background: var(--orange); color: var(--navy); display: grid; place-items: center; font: 700 1.05rem/1 var(--display);
}
.sistema li b { color: var(--navy); }
.sistema .nota { margin-top: 16px; font-size: .88rem; color: var(--muted); background: var(--paper); border-radius: 10px; padding: 10px 12px; }
.tecla { display: inline-block; font: 600 .82rem/1 var(--mono); background: var(--paper); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 3px 6px; color: var(--navy); white-space: nowrap; }
.abrir-app { text-align: center; margin: 28px 0 8px; }
.abrir-app .btn { min-width: 260px; }
.abrir-app small { display: block; margin-top: 10px; color: var(--muted); font-size: .9rem; }
.bloque { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; margin-top: 18px; }
.bloque h2 { font-size: 1.8rem; margin-bottom: 12px; }
.bloque ul { margin: 0; padding-left: 20px; }
.bloque li { margin-bottom: 8px; }
.bloque p:last-child, .bloque ul:last-child { margin-bottom: 0; }
details.bloque summary { cursor: pointer; font: 600 1.35rem/1.2 var(--display); color: var(--navy); list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; }
details.bloque summary::-webkit-details-marker { display: none; }
details.bloque summary::after { content: ""; flex: none; width: 10px; height: 10px; margin-right: 4px;
  border-right: 2.5px solid var(--orange-ink); border-bottom: 2.5px solid var(--orange-ink);
  transform: rotate(45deg) translateY(-3px); transition: transform .15s ease; }
details.bloque[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
details.bloque[open] summary { margin-bottom: 12px; }
@media (max-width: 760px) { .sistemas { grid-template-columns: 1fr; } }

/* El antetítulo es un <p>: en las cajas oscuras, la regla general de sus
   párrafos le quitaba el color naranjo. */
.contacto-caja .antetitulo, .portada-simple .antetitulo, .no-encontrada .antetitulo { color: var(--orange); margin-bottom: 14px; }

/* ---------- 404 ---------- */
.no-encontrada { min-height: calc(100vh - 66px); display: grid; place-items: center; text-align: center; padding: 60px 0; background: var(--navy); color: var(--on-navy); }
.no-encontrada h1 { font-size: clamp(2.4rem, 7vw, 4rem); color: var(--white); margin: 18px 0 12px; }
.no-encontrada p { color: var(--on-navy-soft); margin-bottom: 26px; }
.no-encontrada .acciones { justify-content: center; }