/* Portada CeroComa — tratamiento oscuro, técnico y con poco texto.
   Dirección fijada por el operador (18-sep-2026): referencias Anduril Arsenal
   e Immersive Garden. Fondo negro, titulares grandes, etiquetas monoespaciadas,
   ninguna tarjeta blanca redondeada. */

:root {
  --noche: #08080a;
  --noche-alta: #101013;
  --filete: #23242a;
  --hueso: #f4f2ee;
  --hueso-tenue: #9a978f;
  --oro: #e3c489;
  --menta: #45f2ae;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

body.portada {
  background: var(--noche);
  color: var(--hueso);
}

/* --- Cabecera ---------------------------------------------------------- */

body.portada .site-header {
  background: color-mix(in srgb, var(--noche) 88%, transparent);
  border-bottom: 1px solid var(--filete);
}

body.portada .site-header .brand,
body.portada .nav__link {
  color: var(--hueso);
}

body.portada .nav__link {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

body.portada .nav__link[aria-current="page"] {
  color: var(--oro);
}

body.portada .icon-button {
  color: var(--hueso);
  border-color: var(--filete);
}

/* --- Piezas comunes ---------------------------------------------------- */

.marca-tecnica {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 var(--space-6);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hueso-tenue);
}

.marca-tecnica::before {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: var(--oro);
}

.seccion {
  position: relative;
  padding-block: clamp(4.5rem, 12vw, 9rem);
  border-top: 1px solid var(--filete);
}

.seccion__titulo {
  margin: 0 0 var(--space-6);
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  font-weight: 430;
  letter-spacing: -0.03em;
  line-height: 1.04;
  text-wrap: balance;
}

.frase {
  max-width: 34ch;
  color: var(--hueso-tenue);
  font-size: clamp(1rem, 2.2vw, 1.15rem);
}

.ficha {
  display: grid;
  gap: 0.6rem;
  margin: var(--space-8) 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--hueso-tenue);
}

.ficha li {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 1rem;
  padding-block: 0.6rem;
  border-top: 1px solid var(--filete);
}

.ficha b {
  color: var(--oro);
  font-weight: 500;
  text-transform: uppercase;
}

.boton-solido,
.boton-linea {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  transition: background-color var(--motion-micro) var(--ease-out),
              color var(--motion-micro) var(--ease-out),
              border-color var(--motion-micro) var(--ease-out);
}

.boton-solido {
  color: var(--noche);
  background: var(--hueso);
  border: 1px solid var(--hueso);
}

.boton-solido:hover { background: var(--oro); border-color: var(--oro); }

.boton-linea {
  color: var(--hueso);
  background: transparent;
  border: 1px solid var(--filete);
}

.boton-linea:hover { border-color: var(--oro); color: var(--oro); }

.boton-solido:active,
.boton-linea:active { scale: 0.985; }

.acciones {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

/* --- Apertura ---------------------------------------------------------- */

.apertura {
  position: relative;
  display: grid;
  align-content: center;
  min-height: calc(100svh - var(--header-height));
  padding-block: clamp(3rem, 9vw, 7rem);
  overflow: hidden;
}

.apertura::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 calc(25% - 1px), rgb(255 255 255 / 4%) 25%, transparent calc(25% + 1px) calc(50% - 1px), rgb(227 196 137 / 12%) 50%, transparent calc(50% + 1px) calc(75% - 1px), rgb(255 255 255 / 4%) 75%, transparent calc(75% + 1px)),
    radial-gradient(120% 80% at 80% 0%, rgb(227 196 137 / 8%), transparent 60%);
  mask-image: linear-gradient(to bottom, black 55%, transparent);
}

.apertura__contenido {
  position: relative;
  max-width: 56rem;
}

.apertura h1 {
  margin: 0;
  font-size: clamp(2.6rem, 8.2vw, 6rem);
  font-weight: 420;
  letter-spacing: -0.04em;
  line-height: 0.98;
  text-wrap: balance;
}

.apertura h1 em {
  font-style: normal;
  color: var(--oro);
}

.apertura__bajada {
  max-width: 44ch;
  margin: var(--space-6) 0 0;
  color: var(--hueso-tenue);
  font-size: clamp(1rem, 2.4vw, 1.25rem);
}

.apertura__pie {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: var(--space-10) 0 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--hueso-tenue);
}

.apertura__pie span::before {
  content: "· ";
  color: var(--oro);
}

/* --- Declaración ------------------------------------------------------- */

.declaracion p {
  max-width: 24ch;
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-wrap: balance;
}

.declaracion strong {
  color: var(--oro);
  font-weight: 400;
}

/* --- Producto ---------------------------------------------------------- */

.producto__reja {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.producto__nombre {
  margin: 0;
  font-size: clamp(3rem, 11vw, 7rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1;
}

.producto__pantalla {
  position: relative;
  justify-self: center;
  width: min(100%, 17rem);
  padding: 0.6rem;
  border: 1px solid var(--filete);
  border-radius: 1.6rem;
  background: var(--noche-alta);
}

.producto__pantalla img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1.15rem;
}

/* --- Muestras ---------------------------------------------------------- */

.muestras__tira {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: var(--space-10);
}

.muestras__tira figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--filete);
}

.muestras__tira img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: scale var(--motion-short) var(--ease-out);
}

.muestras__tira figure:hover img { scale: 1.02; }

.muestras__sello {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  padding: 0.2rem 0.5rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--noche);
  background: var(--oro);
}

/* --- Razones ----------------------------------------------------------- */

.razones {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: var(--space-10);
}

.razones h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  font-weight: 560;
  letter-spacing: -0.01em;
}

.razones p {
  margin: 0;
  color: var(--hueso-tenue);
  font-size: 0.98rem;
}

.razones__num {
  display: block;
  margin-bottom: var(--space-4);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--oro);
}

/* --- Contacto ---------------------------------------------------------- */

.contacto__reja {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.formulario {
  display: grid;
  gap: var(--space-4);
}

.formulario label {
  display: grid;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--hueso-tenue);
}

.formulario input,
.formulario textarea {
  font: inherit;
  padding: 0.85rem 1rem;
  color: var(--hueso);
  background: var(--noche-alta);
  border: 1px solid var(--filete);
  border-radius: 0.6rem;
  transition: border-color var(--motion-micro) var(--ease-out);
}

.formulario input:focus,
.formulario textarea:focus {
  border-color: var(--oro);
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.formulario textarea { resize: vertical; min-height: 6rem; }

.formulario button {
  justify-self: start;
  font: inherit;
  cursor: pointer;
}

.formulario__nota {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--hueso-tenue);
}

.canales {
  display: grid;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.canales a {
  display: grid;
  gap: 0.15rem;
  padding-block: var(--space-4);
  color: var(--hueso);
  text-decoration: none;
  border-top: 1px solid var(--filete);
  transition: color var(--motion-micro) var(--ease-out);
}

.canales a:hover { color: var(--oro); }

.canales span {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hueso-tenue);
}

.canales b {
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* --- Pie --------------------------------------------------------------- */

body.portada .site-footer {
  color: var(--hueso-tenue);
  background: var(--noche);
  border-top: 1px solid var(--filete);
}

body.portada .site-footer a { color: var(--hueso-tenue); }
body.portada .site-footer a:hover { color: var(--oro); }

/* --- Ancho de móvil ---------------------------------------------------- */

@media (max-width: 62rem) {
  .producto__reja,
  .contacto__reja {
    grid-template-columns: 1fr;
  }

  .razones {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 40rem) {
  .muestras__tira {
    grid-template-columns: 1fr 1fr;
  }

  .muestras__tira figure:last-child { display: none; }

  .ficha li {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .acciones .boton-solido,
  .acciones .boton-linea {
    flex: 1 1 100%;
    justify-content: center;
  }
}