/* WCALL · páginas públicas. Colores y tipografía de la marca del prototipo (cuadro azul con la W). Sin librerías ni fuentes externas. */
:root {
  --bg: #EEF3F8; --surface: #FFFFFF; --surface-2: #F5F8FB; --line: #D5DEE8; --ink: #111820; --ink-2: #4D5A6A;
  --accent: #1E6FD9; --accent-ink: #1758AE; --accent-bg: #E8F0FC; --on-accent: #FFFFFF;
  --ok: #126B33; --ok-bg: #E3F3E8; --warn: #7A4B00; --warn-bg: #FDF1DC;
  --f-ui: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E141B; --surface: #16202B; --surface-2: #1B2733; --line: #2A3848; --ink: #E6ECF2; --ink-2: #9AA9BA;
    --accent: #6AA6F5; --accent-ink: #8DBBF7; --accent-bg: #1A2D47; --on-accent: #0B1622;
    --ok: #6FCF97; --ok-bg: #15301F; --warn: #F2B866; --warn-bg: #3A2A10; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0E141B; --surface: #16202B; --surface-2: #1B2733; --line: #2A3848; --ink: #E6ECF2; --ink-2: #9AA9BA;
  --accent: #6AA6F5; --accent-ink: #8DBBF7; --accent-bg: #1A2D47; --on-accent: #0B1622;
  --ok: #6FCF97; --ok-bg: #15301F; --warn: #F2B866; --warn-bg: #3A2A10; color-scheme: dark;
}
:root[data-theme="light"] { color-scheme: light; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.6 var(--f-ui); }
a { color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1, h2, h3 { margin: 0; line-height: 1.2; text-wrap: balance; }
h1 { font-size: clamp(1.75rem, 5vw, 2.6rem); font-weight: 650; letter-spacing: -.02em; }
h2 { font-size: 1.35rem; font-weight: 600; margin-bottom: 16px; }
h3 { font-size: 1.05rem; font-weight: 600; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.ancho { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.tenue { color: var(--ink-2); }

.cab { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.cab-fila { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; }
.marca { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.marca-cuadro { width: 32px; height: 32px; border-radius: 8px; background: #1E6FD9; display: grid; place-items: center; flex: none; }
.marca-nombre { font-weight: 600; font-size: 18px; letter-spacing: .02em; }
.marca-nombre span { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.nav a, .tema { font: inherit; font-size: 15px; color: var(--ink-2); text-decoration: none; padding: 8px 10px; border-radius: 8px; background: none; border: 0; cursor: pointer; min-height: 40px; display: inline-flex; align-items: center; }
.nav a:hover, .tema:hover { background: var(--surface-2); color: var(--ink); }
.tema-oscuro { display: none; }
:root[data-theme="dark"] .tema-claro { display: none; }
:root[data-theme="dark"] .tema-oscuro { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tema-claro { display: none; }
  :root:not([data-theme="light"]) .tema-oscuro { display: inline; }
}

.heroe { padding: 56px 0 40px; }
.heroe h1 { max-width: 18ch; }
.entrada { font-size: 1.1rem; color: var(--ink-2); max-width: 62ch; margin-top: 16px; }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font-weight: 600; text-decoration: none; }
.btn:hover { border-color: var(--accent); }
.btn-primario { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn-primario:hover { filter: brightness(1.08); }
.btn-apagado, .btn-apagado:hover { background: var(--surface-2); border-color: var(--line); color: var(--ink-2); filter: none; cursor: default; }

.bloque { padding-top: 32px; padding-bottom: 32px; }
.bloque.primero { padding-top: 48px; }
.pasos { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.pasos li, .rejilla li, .plan, .tarjeta { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.pasos p, .rejilla p { color: var(--ink-2); margin-top: 8px; }
.num { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--accent-bg); color: var(--accent-ink); font-weight: 700; margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.rejilla { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.planes { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.precio { margin: 8px 0 12px; color: var(--ink-2); }
.precio strong { font-size: 2rem; color: var(--ink); font-weight: 650; font-variant-numeric: tabular-nums; }
.lista { display: grid; gap: 8px; }
.lista li { position: relative; padding-left: 18px; }
.lista li::before { content: ""; position: absolute; left: 2px; top: .65em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.bloque > .lista { max-width: 70ch; }
.bloque > h2 { margin-top: 32px; }
.bloque > h2:first-child { margin-top: 0; }
.nota { color: var(--ink-2); margin-top: 16px; font-size: .95rem; }
.pendiente { background: var(--warn-bg); color: var(--warn); border-radius: 12px; padding: 16px; margin: 20px 0; max-width: 70ch; }
.centro { display: grid; justify-items: center; }
.tarjeta { max-width: 560px; width: 100%; padding: 28px; }
.tarjeta-ok { border-color: var(--ok); }
.tarjeta-ok h1 { color: var(--ok); }
.tarjeta h1 { font-size: 1.6rem; }

.pie { border-top: 1px solid var(--line); margin-top: 40px; padding: 24px 0 40px; color: var(--ink-2); font-size: .95rem; }
.pie p + p { margin-top: 10px; }
.aviso-911 { color: var(--ink); max-width: 70ch; }

@media (max-width: 520px) {
  .heroe { padding: 36px 0 24px; }
  .acciones .btn { width: 100%; }
  .nav a, .tema { padding: 8px; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn { transition: border-color .15s ease, filter .15s ease; }
}