/* Portada pública de Arturito. Misma paleta que el panel del taller (public/arturito.html):
   tablero marino, tarjetas claras y el azul de ORAMA. Un solo aspecto (oscuro) a propósito. */
:root {
  color-scheme: dark;
  --marino: #0a1324;
  --marino-2: #111d33;
  --marino-3: #1a2a45;
  --linea: #24385a;
  --texto: #e8eef8;
  --texto-2: #a9b8cc;
  --azul: #0176d3;
  --azul-hover: #0161b0;
  --azul-claro: #5fa8ec;
  --rojo: #ff4d3d;
  --ambar: #ffb020;
  --verde: #3ec27a;
  --tarjeta: #f6f8fc;
  --tarjeta-texto: #13203a;
  --tarjeta-2: #5a6a85;
  --tarjeta-linea: #d9e1ee;
  --f-texto: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radio: 12px;
  --ancho: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--marino); color: var(--texto); font-family: var(--f-texto);
  font-size: 16px; line-height: 1.55;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
}
a { color: var(--azul-claro); }
:focus-visible { outline: 2px solid var(--azul-claro); outline-offset: 2px; }
[hidden] { display: none !important; }
h1, h2, h3 { text-wrap: balance; margin: 0; }

/* ---- cabecera */
.cab { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--marino) 88%, transparent); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--linea); margin: 0 calc(-1 * max(16px, env(safe-area-inset-left, 0px))); padding: 0 max(16px, env(safe-area-inset-left, 0px)); }
.nav { max-width: var(--ancho); margin: 0 auto; display: flex; align-items: center; gap: 20px; padding-block: 12px; flex-wrap: wrap; }
.marca { display: inline-flex; align-items: baseline; gap: 8px; color: var(--texto); text-decoration: none; font-weight: 700; font-size: 20px; }
.marca small { font-weight: 500; font-size: 13px; color: var(--texto-2); }
.logo { width: 22px; height: 22px; align-self: center; border-radius: 6px; background:
  radial-gradient(circle at 50% 50%, var(--marino) 0 26%, transparent 27%),
  radial-gradient(circle at 50% 50%, var(--azul) 0 48%, transparent 49%),
  conic-gradient(from 0deg, var(--azul-claro), var(--azul), var(--azul-claro)); }
.links { display: flex; gap: 18px; flex: 1 1 auto; flex-wrap: wrap; }
.links a { color: var(--texto-2); text-decoration: none; font-size: 15px; }
.links a:hover { color: var(--texto); }
.acciones-nav { display: flex; gap: 8px; }

/* ---- botones */
.btn { display: inline-flex; align-items: center; gap: 6px; background: var(--azul); color: #fff; border: 1px solid var(--azul);
  border-radius: 8px; padding: 10px 16px; font-weight: 600; text-decoration: none; font-size: 15px; cursor: pointer; }
.btn:hover { background: var(--azul-hover); border-color: var(--azul-hover); }
.btn-sec { background: transparent; color: var(--texto); border-color: var(--linea); }
.btn-sec:hover { background: var(--marino-2); border-color: var(--azul-claro); }

/* ---- hero */
main { max-width: var(--ancho); margin: 0 auto; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 40px; align-items: center; padding-block: 56px 40px; }
.hero-texto { display: grid; gap: 18px; min-width: 0; }
.ceja { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--azul-claro); }
.hero h1 { font-size: clamp(32px, 4.6vw, 50px); line-height: 1.08; letter-spacing: -.02em; }
.hero h1 span { color: var(--texto-2); }
.lead { font-size: 18px; color: var(--texto-2); max-width: 60ch; margin: 0; }
.acciones { display: flex; gap: 10px; flex-wrap: wrap; }
.nota-ingreso { margin: 0; font-size: 14px; color: var(--ambar); }
.hero-3d { margin: 0; display: grid; gap: 8px; min-width: 0; }
.hero-3d figcaption { font-size: 13px; color: var(--texto-2); }
.lienzo-cont { position: relative; border-radius: var(--radio); overflow: hidden; border: 1px solid var(--linea);
  background: radial-gradient(ellipse at 50% 40%, #13284a 0%, var(--marino) 72%); min-height: 220px; }
.lienzo-3d { display: block; width: 100%; cursor: grab; }
.lienzo-3d:active { cursor: grabbing; }
.sin3d { display: grid; place-items: center; color: var(--texto-2); font-size: 14px; }
.rotulo3d { position: absolute; top: 10px; left: 10px; background: rgba(224, 58, 50, .92); color: #fff; border-radius: 7px; padding: 5px 9px;
  font-size: 11px; line-height: 1.3; pointer-events: none; max-width: min(210px, 62%); box-shadow: 0 4px 14px rgba(0,0,0,.35); }
.rotulo3d b { display: block; font-size: 13px; }
.marca3d { position: absolute; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; border: 2px solid #fff;
  background: rgba(255, 77, 61, .55); box-shadow: 0 0 0 4px rgba(255, 77, 61, .35); pointer-events: none; animation: marca3d 1.4s ease-in-out infinite; }
@keyframes marca3d { 50% { box-shadow: 0 0 0 9px rgba(255, 77, 61, 0); } }
@media (prefers-reduced-motion: reduce) { .marca3d { animation: none; } }

/* ---- secciones */
.sec { padding-block: 48px; border-top: 1px solid var(--linea); display: grid; gap: 18px; }
.sec h2 { font-size: clamp(26px, 3vw, 34px); letter-spacing: -.01em; }
.sec-lead { margin: 0; color: var(--texto-2); max-width: 70ch; }
.pasos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 14px; }
.paso { display: flex; gap: 14px; background: var(--marino-2); border: 1px solid var(--linea); border-radius: var(--radio); padding: 16px; min-width: 0; }
.paso .num { flex: none; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--azul); color: #fff; font-weight: 700; }
.paso h3 { font-size: 17px; }
.paso p { margin: 4px 0 0; font-size: 15px; color: var(--texto-2); }
.paso .bajada { font-family: var(--f-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--azul-claro); }

.tarjeta { background: var(--tarjeta); color: var(--tarjeta-texto); border: 1px solid var(--tarjeta-linea); border-radius: var(--radio); padding: 20px; min-width: 0; color-scheme: light; }
.tarjeta h3 { font-size: 18px; }
.tarjeta p { margin: 8px 0 0; color: var(--tarjeta-2); font-size: 15px; }
.garantias { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 14px; }

/* ---- planes */
.planes { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr)); gap: 16px; align-items: stretch; }
.plan { display: flex; flex-direction: column; gap: 14px; }
.plan.defecto { border-color: var(--azul); box-shadow: 0 0 0 1px var(--azul); }
.plan-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.chip { font-size: 12px; font-weight: 700; border-radius: 999px; padding: 3px 10px; background: #e7f1fc; color: var(--azul); }
.precio { display: flex; flex-direction: column; gap: 2px; }
.precio b { font-size: 30px; letter-spacing: -.02em; line-height: 1.1; }
.precio b small { font-size: 16px; }
.precio b.total { font-size: 15px; letter-spacing: 0; }
.precio span { color: var(--tarjeta-2); font-size: 14px; }
.lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 15px; }
.lista li { display: flex; gap: 8px; align-items: flex-start; }
.lista li::before { content: "✓"; color: #1d8a52; font-weight: 800; flex: none; }
.aviso { margin: 0; font-size: 14px; color: #a35a00; }
.vacio { background: var(--marino-2); border: 1px dashed var(--linea); border-radius: var(--radio); padding: 22px; color: var(--texto-2); }
.notas { margin: 0; padding-left: 18px; display: grid; gap: 6px; color: var(--texto-2); font-size: 14px; }
.copiable { user-select: all; font-family: var(--f-mono); color: var(--texto); }

/* ---- pie */
.pie { border-top: 1px solid var(--linea); margin-top: 24px; padding-block: 32px 24px; }
.pie-in { max-width: var(--ancho); margin: 0 auto; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.pie-in > div:first-child { max-width: 52ch; }
.pie p { color: var(--texto-2); font-size: 14px; margin: 8px 0 0; }
.pie-links { display: grid; gap: 6px; font-size: 14px; align-content: start; color: var(--texto-2); }
.pie-base { max-width: var(--ancho); margin: 20px auto 0 !important; font-size: 13px !important; }

@media (max-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1fr); padding-block: 32px 24px; gap: 24px; }
  .links { order: 3; flex-basis: 100%; gap: 14px; }
  .lead { font-size: 16px; }
}