/* KeyTray Andamia website. No web fonts, no framework: system fonts and one stylesheet. */
:root {
  --tinta: #13202e;
  --tinta-suave: #4a5a6b;
  --fondo: #f6f7f9;
  --papel: #ffffff;
  --linea: #e1e6ec;
  --acento: #c4512d;        /* brick red, like the sample house */
  --acento-osc: #a23f20;
  --azul: #1f5fae;
  --noche: #0f1b29;
  --radio: 14px;
  --sombra: 0 10px 30px rgba(15, 27, 41, .10);
  --ancho: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--tinta); background: var(--fondo);
  font: 17px/1.6 "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul); }
code { font: .9em ui-monospace, "Cascadia Mono", Consolas, monospace; background: #eef1f5; padding: .1em .35em; border-radius: 5px; }
.envoltura { max-width: var(--ancho); margin: 0 auto; padding: 0 24px; }

/* header */
.cabecera { position: sticky; top: 0; z-index: 10; background: rgba(15, 27, 41, .92); backdrop-filter: blur(8px); }
.cabecera .envoltura { display: flex; align-items: center; gap: 24px; height: 60px; }
.marca { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 650; letter-spacing: .2px; }
.marca svg { width: 28px; height: 28px; }
.cabecera nav { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
.cabecera nav a { color: #c9d4e0; text-decoration: none; font-size: 15px; }
.cabecera nav a:hover { color: #fff; }
.idioma { color: #fff !important; border: 1px solid #3a4b5e; border-radius: 999px; padding: 2px 12px; }

/* hero */
.heroe { background: radial-gradient(1200px 500px at 80% -10%, #2a4363 0%, transparent 60%), linear-gradient(180deg, var(--noche), #182a3f); color: #fff; padding: 72px 0 0; overflow: hidden; }
.heroe .envoltura { display: grid; grid-template-columns: 1fr; gap: 40px; }
.insignia { display: inline-block; font-size: 13px; letter-spacing: .6px; text-transform: uppercase; color: #ffd7c9; background: rgba(196, 81, 45, .25); border: 1px solid rgba(255, 160, 130, .35); border-radius: 999px; padding: 3px 12px; }
.heroe h1 { font-size: clamp(34px, 5.2vw, 60px); line-height: 1.08; margin: 18px 0 18px; letter-spacing: -.5px; }
.heroe p { font-size: 19px; color: #c9d4e0; max-width: 760px; margin: 0 0 28px; }
.botones { display: flex; gap: 14px; flex-wrap: wrap; }
.boton { display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px; border-radius: 10px; font-weight: 600; text-decoration: none; transition: transform .12s ease, background .12s ease; }
.boton:hover { transform: translateY(-1px); }
.boton-primario { background: var(--acento); color: #fff; }
.boton-primario:hover { background: var(--acento-osc); }
.boton-secundario { color: #fff; border: 1px solid #44566b; }
.boton svg { width: 18px; height: 18px; }
.heroe figure { margin: 8px 0 0; }
.heroe figure img { border-radius: 14px 14px 0 0; box-shadow: 0 -10px 60px rgba(0, 0, 0, .45); border: 1px solid #2c3f55; border-bottom: 0; }

/* sections */
section { padding: 84px 0; }
section.alterna { background: var(--papel); border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); }
h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.15; margin: 0 0 12px; letter-spacing: -.3px; }
.entrada { color: var(--tinta-suave); font-size: 19px; max-width: 760px; margin: 0 0 40px; }
.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.tarjeta { background: var(--papel); border: 1px solid var(--linea); border-radius: var(--radio); padding: 24px; }
section.alterna .tarjeta { background: var(--fondo); }
.tarjeta h3 { margin: 0 0 8px; font-size: 19px; }
.tarjeta p { margin: 0; color: var(--tinta-suave); font-size: 16px; }
.tarjeta .num { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: #fbe7df; color: var(--acento-osc); font-weight: 700; margin-bottom: 12px; }
.norma { margin-top: 28px; padding: 22px 24px; border-left: 4px solid var(--acento); background: #fff6f2; border-radius: 0 var(--radio) var(--radio) 0; }
.norma h3 { margin: 0 0 6px; }
.norma p { margin: 0; color: var(--tinta-suave); }

/* gallery */
.galeria { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.galeria figure { margin: 0; background: var(--papel); border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra); }
.galeria figure:nth-child(1), .galeria figure:nth-child(2) { grid-column: span 3; }
.galeria figure:nth-child(n+3) { grid-column: span 2; }
.galeria img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: #fff; }
.galeria figure.plano img { object-fit: contain; }
.galeria figcaption { padding: 12px 16px 14px; font-size: 15px; color: var(--tinta-suave); }

/* requirements */
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.tarjeta ul { margin: 10px 0 0; padding-left: 20px; color: var(--tinta-suave); font-size: 16px; }
.tarjeta li { margin: 6px 0; }
.recomendada { border-color: #f0c2b2; box-shadow: 0 0 0 3px #fbe7df; }

/* download */
.descarga { background: linear-gradient(180deg, var(--noche), #1b2f46); color: #fff; }
.descarga .entrada { color: #c9d4e0; }
.caja-descarga { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: start; background: rgba(255, 255, 255, .04); border: 1px solid #2f455d; border-radius: 18px; padding: 30px; }
.datos { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; margin: 0; font-size: 16px; }
.datos dt { color: #9fb1c4; }
.datos dd { margin: 0; }
.hash { display: flex; gap: 8px; align-items: center; margin-top: 18px; }
.hash code { flex: 1; min-width: 0; overflow-wrap: anywhere; background: #0b1520; color: #d7e2ee; border: 1px solid #2f455d; padding: 10px 12px; border-radius: 8px; font-size: 13.5px; }
.hash button { font: inherit; font-size: 14px; color: #fff; background: #2b4260; border: 1px solid #3c5677; border-radius: 8px; padding: 9px 14px; cursor: pointer; }
.nota { color: #9fb1c4; font-size: 14.5px; margin: 14px 0 0; }
.nota code { background: #0b1520; color: #d7e2ee; }
.aviso { margin-top: 18px; font-size: 14.5px; color: #ffd7c9; }
.aviso code { background: #3a2018; color: #ffd7c9; }

/* release notes */
.novedades { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 20px; }
.version-titulo { display: flex; align-items: baseline; gap: 14px; margin-bottom: 26px; }
.version-titulo span { color: var(--tinta-suave); }
.limites { margin-top: 30px; }
.limites ul { color: var(--tinta-suave); }

/* contact + footer */
.contacto { text-align: center; }
.contacto .entrada { margin-left: auto; margin-right: auto; }
.pie { background: var(--noche); color: #9fb1c4; padding: 30px 0; font-size: 14.5px; }
.pie .envoltura { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.pie a { color: #c9d4e0; }
.pie .legal { margin-left: auto; display: flex; gap: 18px; }

/* legal pages and 404 */
.pagina { max-width: 760px; margin: 0 auto; padding: 70px 24px 90px; }
.pagina h1 { font-size: 36px; line-height: 1.15; }
.pagina li { margin: 10px 0; }

@media (max-width: 900px) {
  .cabecera nav a:not(.idioma) { display: none; }
  .dos, .caja-descarga { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: 1fr; }
  .galeria figure:nth-child(n) { grid-column: auto; }
  section { padding: 60px 0; }
  .pie .legal { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .boton { transition: none; } }
.separador { margin: 40px 0; border: 0; border-top: 1px solid var(--linea); }
.boton-claro { color: var(--tinta); border: 1px solid var(--linea); background: var(--papel); }