/* ============================================================
   CERO CON OCHO — Sistema Frío (80%) + Código (20%)
   Negro #050505 · Blanco · Rojo #D60000 (solo acento)
   Tipografías: Anton (display) · Space Grotesk (texto)
   ============================================================ */

:root {
  --negro: #050505;
  --negro-suave: #0d0d0d;
  --blanco: #f5f5f5;
  --gris: #8a8a8a;
  --rojo: #d60000;
  --borde: #1c1c1c;
  --font-display: "Anton", Impact, sans-serif;
  --font-body: "Space Grotesk", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--negro);
  color: var(--blanco);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- 20% crudo: grano + scanlines de fondo ---- */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.015) 0px,
    rgba(255, 255, 255, 0.015) 1px,
    transparent 1px,
    transparent 4px
  );
  mix-blend-mode: overlay;
}

::selection { background: var(--rojo); color: var(--blanco); }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

/* ===================== HEADER ===================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: rgba(5, 5, 5, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borde);
}

.header__logo {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 3px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__logo img { height: 34px; width: auto; }

.header__logo em { font-style: normal; color: var(--rojo); }

.nav { display: flex; gap: 26px; align-items: center; }

.nav a {
  font-size: 13px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--gris);
  transition: color 0.2s;
  position: relative;
}

.nav a:hover { color: var(--blanco); }

.nav a.activo { color: var(--blanco); }
.nav a.activo::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--rojo);
}

.nav__cta {
  border: 1px solid var(--rojo);
  color: var(--rojo) !important;
  padding: 8px 16px;
  transition: all 0.2s;
}
.nav__cta:hover {
  background: var(--rojo);
  color: var(--blanco) !important;
}

.nav__toggle {
  display: none;
  background: none;
  border: 1px solid var(--borde);
  color: var(--blanco);
  font-family: var(--font-body);
  font-size: 20px;
  padding: 6px 12px;
  cursor: pointer;
}

/* ===================== HERO ===================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}

.hero__insignia {
  width: min(240px, 55vw);
  margin-bottom: 42px;
  filter: drop-shadow(0 0 24px rgba(214, 0, 0, 0.12));
}

.hero__manifiesto {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(22px, 4.2vw, 44px);
  line-height: 1.25;
  letter-spacing: 1px;
  max-width: 900px;
}

.hero__manifiesto span { display: block; }
.hero__manifiesto .rojo { color: var(--rojo); }

.hero__sub {
  margin-top: 26px;
  color: var(--gris);
  font-size: 14px;
  letter-spacing: 4px;
  text-transform: uppercase;
}

.hero__acciones { margin-top: 44px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

.boton {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 15px;
  padding: 16px 34px;
  border: 1px solid var(--blanco);
  color: var(--blanco);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-block;
}

.boton:hover { background: var(--blanco); color: var(--negro); }

.boton--rojo {
  border-color: var(--rojo);
  background: var(--rojo);
  color: var(--blanco);
}
.boton--rojo:hover { background: transparent; color: var(--rojo); }

.boton--fantasma { border-color: var(--borde); color: var(--gris); }
.boton--fantasma:hover { border-color: var(--blanco); color: var(--blanco); background: transparent; }

/* ---- marquee ---- */
.marquee {
  border-top: 1px solid var(--borde);
  border-bottom: 1px solid var(--borde);
  overflow: hidden;
  padding: 14px 0;
  background: var(--negro-suave);
}

.marquee__pista {
  display: flex;
  width: max-content;
  animation: desfile 26s linear infinite;
}

.marquee__pista span {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 15px;
  letter-spacing: 3px;
  color: var(--gris);
  padding: 0 28px;
  white-space: nowrap;
}
.marquee__pista span.rojo { color: var(--rojo); }

@keyframes desfile {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===================== SECCIONES ===================== */
.seccion { padding: 110px 28px; max-width: 1200px; margin: 0 auto; }

.seccion--ancho { max-width: 1400px; }

.etiqueta {
  font-size: 12px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--rojo);
  margin-bottom: 16px;
  display: block;
}

.titulo {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(34px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.titulo--rojo { color: var(--rojo); }

.texto { color: #c9c9c9; max-width: 620px; margin-bottom: 14px; }

.texto--gris { color: var(--gris); font-size: 14px; }

/* ===================== GRID PRODUCTO ===================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2px;
  background: var(--borde);
  border: 1px solid var(--borde);
  margin-top: 48px;
}

.tarjeta {
  background: var(--negro);
  padding: 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background 0.25s;
}

.tarjeta:hover { background: var(--negro-suave); }

.tarjeta__estado {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid var(--rojo);
  color: var(--rojo);
}

.tarjeta__estado--vivo {
  border-color: var(--blanco);
  color: var(--negro);
  background: var(--blanco);
}

.tarjeta__foto {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  width: 100%;
  filter: grayscale(18%) contrast(1.05);
  margin-bottom: 22px;
  border: 1px solid var(--borde);
}

.tarjeta__nombre {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 22px;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.tarjeta__copy {
  color: var(--gris);
  font-size: 14px;
  margin-bottom: 18px;
  flex-grow: 1;
}

.tarjeta__pie {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--borde);
  padding-top: 16px;
}

.tarjeta__precio {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 1px;
}

.tarjeta__precio small {
  display: block;
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--gris);
  letter-spacing: 2px;
}

/* ===================== FORMULARIOS ===================== */
.campo {
  width: 100%;
  background: var(--negro-suave);
  border: 1px solid var(--borde);
  color: var(--blanco);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 15px 16px;
  margin-bottom: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.campo:focus { border-color: var(--rojo); }

.campo::placeholder { color: #555; }

.formulario { max-width: 520px; margin-top: 30px; }

.formulario__nota {
  font-size: 12px;
  color: var(--gris);
  letter-spacing: 1px;
  margin-top: 10px;
}

/* ===================== EL CÓDIGO ===================== */
.codigo {
  max-width: 780px;
  margin: 0 auto;
}

.codigo__texto {
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.9;
  color: #d9d9d9;
  white-space: pre-line;
}

.codigo__texto strong { color: var(--rojo); font-weight: 600; }

.firma {
  margin-top: 60px;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(20px, 3vw, 30px);
  letter-spacing: 2px;
}
.firma em { font-style: normal; color: var(--rojo); }

/* ===================== PUERTA / LA SALA ===================== */
.puerta {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 60px;
}

.puerta__caja {
  max-width: 480px;
  width: 100%;
}

.puerta__titulo {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(38px, 8vw, 84px);
  letter-spacing: 3px;
  line-height: 1;
}

.puerta__titulo em { font-style: normal; color: var(--rojo); }

.puerta__texto { color: var(--gris); margin: 22px 0 34px; font-size: 15px; }

.puerta__clave {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 14px;
  text-transform: uppercase;
  text-align: center;
}

.puerta__error {
  color: var(--rojo);
  font-size: 13px;
  letter-spacing: 2px;
  margin-top: 12px;
  min-height: 20px;
  text-transform: uppercase;
}

.sala__cerrado { display: block; }
.sala__abierto { display: none; }
.sala.desbloqueada .sala__cerrado { display: none; }
.sala.desbloqueada .sala__abierto { display: block; }

/* ===================== FOOTER ===================== */
.footer {
  border-top: 1px solid var(--borde);
  padding: 60px 28px 40px;
  margin-top: 60px;
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  align-items: flex-start;
}

.footer__logo img { height: 90px; width: auto; opacity: 0.9; }

.footer__col { display: flex; flex-direction: column; gap: 10px; }

.footer__col a {
  color: var(--gris);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--rojo); }

.footer__puerta {
  color: #3a3a3a !important;
  letter-spacing: 3px !important;
  margin-top: 14px;
}
.footer__puerta:hover { color: var(--rojo) !important; }

.footer__legal {
  max-width: 1200px;
  margin: 50px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--borde);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: #4a4a4a;
  letter-spacing: 1px;
}

/* ===================== UTILIDADES ===================== */
.divisor {
  height: 1px;
  background: var(--borde);
  margin: 0 auto;
  max-width: 1200px;
}

.aviso {
  border: 1px solid var(--borde);
  border-left: 3px solid var(--rojo);
  background: var(--negro-suave);
  padding: 20px 24px;
  max-width: 620px;
  margin-top: 36px;
  font-size: 13px;
  color: var(--gris);
  letter-spacing: 0.5px;
}

.aviso strong { color: var(--blanco); text-transform: uppercase; letter-spacing: 2px; font-size: 12px; display: block; margin-bottom: 6px; }

.revelar {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.revelar.visible { opacity: 1; transform: none; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 760px) {
  .nav {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(5, 5, 5, 0.97);
    flex-direction: column;
    padding: 26px;
    gap: 20px;
    border-bottom: 1px solid var(--borde);
    display: none;
  }
  .nav.abierto { display: flex; }
  .nav__toggle { display: block; }
  .seccion { padding: 80px 20px; }
  .hero__manifiesto { font-size: clamp(20px, 6vw, 30px); }
}