/* ==========================================================================
   CamSecurity — Modo Noche v2 · landing de conversion, movil primero
   Sistema de marca: wiki/SISTEMA_MARCA.md
   Lente #2AD4C4 = marca y tecnologia · Sol #F5A524 = energia solar y precio
   ========================================================================== */

:root{
  --noche:#0A0E12;
  --acero:#141A21;
  --linea:#232D36;
  --linea-fuerte:#33414C;
  --lente:#2AD4C4;
  --lente-fondo:#0D2A29;
  --sol:#F5A524;
  --luz:#E8EDEA;
  --bruma:#8A9691;

  --display:Archivo,"Helvetica Neue",Arial,sans-serif;
  --texto:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --dato:"IBM Plex Mono",ui-monospace,monospace;

  --ancho:1120px;
  --radio:12px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none !important;transition:none !important}
}

body{
  margin:0;background:var(--noche);color:var(--luz);
  font-family:var(--texto);font-size:16px;line-height:1.55;
  -webkit-text-size-adjust:100%;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--lente)}
:focus-visible{outline:2px solid var(--sol);outline-offset:3px;border-radius:2px}

.skip{position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--sol);color:#1A1206;padding:12px 18px;font-weight:600}
.skip:focus{left:12px;top:12px}

.wrap{width:100%;max-width:var(--ancho);margin:0 auto;padding:0 20px}

/* ---------------------------------------------------------------- tipos -- */
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.022em;
  text-wrap:balance;margin:0}
h1{font-size:clamp(28px,7.1vw,52px);line-height:1.04;font-weight:800;
  letter-spacing:-.03em}
h2{font-size:clamp(21px,4vw,30px);line-height:1.15}
.lede{color:var(--bruma);font-size:clamp(15px,1.9vw,18px);max-width:46ch;margin:12px 0 0}
.micro{color:var(--bruma);font-size:13.5px;margin:10px 0 0}
.micro.centro{text-align:center}
p{margin:0}

.titulo-mod{
  font-size:clamp(20px,3.6vw,27px);margin:0 0 20px;
  padding-bottom:12px;border-bottom:1px solid var(--linea);
}

/* --------------------------------------------------------------- botones -- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;border-radius:8px;
  background:var(--lente);color:#04211F;
  font-weight:600;font-size:15.5px;text-decoration:none;
  border:2px solid var(--lente);
  transition:background .12s ease;
}
.btn:hover{background:#4FE3D5;border-color:#4FE3D5}
.btn:active{transform:translateY(1px)}
.btn-lg{padding:16px 28px;font-size:17px;width:100%}
.btn-sm{padding:8px 14px;font-size:13.5px;gap:6px}
.bloque{margin-top:16px}

/* ------------------------------------------------------------------ nav -- */
.nav{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 20px;background:rgba(10,14,18,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--linea);
}
.brand{display:inline-flex;align-items:center;text-decoration:none}
.logo-nav{height:24px;width:auto}

/* -------------------------------------------- 1 · gancho y producto ------ */
.hero{position:relative;overflow:hidden;padding:22px 0 36px}
.rings{
  position:absolute;top:-170px;right:-220px;width:520px;height:520px;
  pointer-events:none;opacity:.30;
  background:
    radial-gradient(circle, transparent 0 78px, var(--lente) 78px 80px, transparent 80px),
    radial-gradient(circle, transparent 0 138px, var(--lente) 138px 140px, transparent 140px),
    radial-gradient(circle, transparent 0 206px, var(--lente) 206px 208px, transparent 208px),
    radial-gradient(circle at center, rgba(42,212,196,.10), transparent 62%);
}
.hero .wrap{position:relative;z-index:1}
.promesa-hero{
  font-family:var(--display);font-weight:700;
  font-size:clamp(17px,3.2vw,24px);line-height:1.25;
  color:var(--sol);margin:12px 0 0;text-wrap:balance;
}

/* las dos camaras, arriba del todo */
.productos{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0 0}
.prod{
  display:flex;flex-direction:column;
  background:var(--acero);border:1px solid var(--linea);border-radius:var(--radio);
  padding:12px 10px 14px;text-decoration:none;color:var(--luz);
  transition:border-color .12s ease;
}
.prod:hover{border-color:var(--linea-fuerte)}
.prod.destacado{border-color:var(--sol)}
.prod img{
  height:84px;width:auto;margin:0 auto 10px;
  filter:drop-shadow(0 12px 20px rgba(0,0,0,.6));
}
.prod-txt{text-align:center;margin-top:auto}
.prod h2{font-size:16px;margin:0 0 4px;letter-spacing:-.01em}
.prod-precio{
  font-family:var(--display);font-weight:800;font-size:26px;line-height:1;
  color:var(--sol);font-variant-numeric:tabular-nums;
}
.prod-precio span{
  font-family:var(--texto);font-size:12px;font-weight:500;color:var(--bruma);
  display:block;margin-top:5px;letter-spacing:0;
}
.prod-tags{
  font-family:var(--dato);font-size:10.5px;letter-spacing:.04em;
  color:var(--bruma);margin-top:9px;line-height:1.4;
}

/* ---------------------------------------------------------------- fotos -- */
/* Cada hueco lleva su proporcion y su encuadre propio, para que en movil no
   se corte lo importante. site.js agrega .slot-lista cuando el archivo
   existe; mientras no exista, el hueco simplemente no se muestra. */
.slot{display:none;background-size:cover;background-repeat:no-repeat;
  border-radius:var(--radio);border:1px solid var(--linea)}
.slot.slot-lista{display:block}

.foto-hero{aspect-ratio:16/10;margin-top:22px;background-position:72% center}
.slot-lista.foto-hero{background-image:url("img/hero-principal.webp")}

.foto-app{aspect-ratio:4/3;margin-top:22px;background-position:center 42%}
.slot-lista.foto-app{background-image:url("img/app-en-mano.webp")}

.foto-proceso{aspect-ratio:16/10;margin-top:22px;background-position:center}
.slot-lista.foto-proceso{background-image:url("img/instalacion-15min.webp")}

.pruebas{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.slot-prueba{aspect-ratio:1/1;background-position:center}
.slot-lista[data-slot="intemperie-lluvia"]{
  background-image:url("img/intemperie-lluvia.webp");background-position:78% center}
.slot-lista[data-slot="sin-luz"]{
  background-image:url("img/sin-luz.webp");background-position:80% center}
.pruebas:not(:has(.slot-lista)){display:none}

/* ------------------------------------------------------ 2 · beneficios --- */
.seccion{padding:44px 0;border-top:1px solid var(--linea)}
.seccion.alt{background:#0C1116}

.iconos{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:1fr 1fr;gap:10px;
}
.iconos li{
  background:var(--acero);border:1px solid var(--linea);border-radius:var(--radio);
  padding:16px 12px;text-align:center;
}
.iconos svg{
  width:26px;height:26px;margin:0 auto 10px;display:block;
  fill:none;stroke:var(--lente);stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
.iconos b{display:block;font-family:var(--display);font-weight:700;font-size:14.5px}
.iconos span{display:block;color:var(--bruma);font-size:12.5px;margin-top:3px;line-height:1.35}

.franja{
  display:grid;grid-template-columns:repeat(4,1fr);gap:6px;
  margin-top:22px;padding:14px 8px;
  background:var(--acero);border:1px solid var(--linea);border-radius:var(--radio);
  text-align:center;
}
.franja span{font-family:var(--dato);font-size:11.5px;letter-spacing:.03em;color:var(--luz)}
.franja-pie{
  text-align:center;margin-top:10px;
  font-family:var(--display);font-weight:700;font-size:17px;color:var(--sol);
}

.usos{display:grid;grid-template-columns:1fr;gap:8px;margin-top:22px}
.usos div{
  background:var(--acero);border-left:3px solid var(--lente);
  border-radius:6px;padding:11px 14px;
}
.usos b{font-family:var(--display);font-size:14px;margin-right:8px}
.usos span{color:var(--bruma);font-size:13px}

/* -------------------------------------------------------- 3 · proceso ---- */
.ruta{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ruta li{
  display:grid;grid-template-columns:34px 1fr;gap:12px;
  grid-template-rows:auto auto;align-items:center;
  background:var(--acero);border:1px solid var(--linea);border-radius:var(--radio);
  padding:13px 14px;
}
.ruta .n{
  grid-row:1 / span 2;
  width:34px;height:34px;border-radius:8px;display:grid;place-items:center;
  background:var(--sol);color:#1A1206;
  font-family:var(--display);font-weight:800;font-size:16px;
}
.ruta b{font-family:var(--display);font-weight:700;font-size:15.5px}
.ruta li > span:not(.n){color:var(--bruma);font-size:13px;line-height:1.35}

.promesa{
  margin-top:26px;padding:22px 20px;text-align:center;
  background:var(--lente-fondo);border:2px solid var(--lente);border-radius:var(--radio);
}
.promesa p{font-family:var(--display);font-weight:700;
  font-size:clamp(17px,3.2vw,23px);line-height:1.35;margin:0 0 18px}
.promesa .micro{margin-top:12px}

/* preguntas: cerradas por omision, no ocupan pantalla */
.faq{margin-top:26px;border:1px solid var(--linea);border-radius:var(--radio);
  background:var(--acero)}
.faq summary{
  cursor:pointer;list-style:none;padding:15px 18px;position:relative;
  font-family:var(--display);font-weight:600;font-size:15.5px;color:var(--luz);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:14px;
  font-family:var(--dato);font-size:20px;color:var(--lente);line-height:1}
.faq[open] summary::after{content:"–"}
.faq dl{margin:0;padding:0 18px 18px;border-top:1px solid var(--linea)}
.faq dt{font-weight:600;font-size:14.5px;margin-top:14px}
.faq dd{margin:4px 0 0;color:var(--bruma);font-size:14px}

/* ------------------------------------------------------------------ pie -- */
.pie{border-top:1px solid var(--linea);padding:28px 0;text-align:center}
.pie-grid{display:grid;gap:12px;justify-items:center}
.logo-pie{height:44px;width:auto}
.pie a{color:var(--lente);text-decoration:none}

.wa-flotante{
  position:fixed;right:16px;bottom:16px;z-index:50;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:var(--lente);color:#04211F;text-decoration:none;
  box-shadow:0 8px 26px -8px rgba(0,0,0,.85);
}
.wa-flotante:hover{background:#4FE3D5}

/* ------------------------------------------------------------ escritorio - */
@media (min-width:760px){
  .logo-nav{height:29px}
  .iconos{grid-template-columns:repeat(3,1fr);gap:14px}
  .ruta{grid-template-columns:repeat(3,1fr)}
  .usos{grid-template-columns:repeat(3,1fr)}
  .btn-lg{width:auto}
  .bloque{display:inline-flex}
  .prod img{height:132px}
  .prod h2{font-size:19px}
  .prod-precio{font-size:32px}
  .foto-hero{aspect-ratio:21/9}
  .foto-app{aspect-ratio:16/9;background-position:center 40%}
  .pie-grid{grid-template-columns:auto 1fr;justify-items:start;align-items:center}
}
@media (min-width:980px){
  .hero{padding:48px 0 60px}
  .seccion{padding:64px 0}
  .productos{max-width:640px}
}