/* ==========================================================
   GST3D · Páginas de producto (Xtreme, Cosmos y Black Edition)
   Subir por FTP a: static/css/gst3d-producto-v5.css
   Todas las clases empiezan con "gst-" para no chocar con el tema.
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700&family=Open+Sans:wght@400;600&display=swap');

/* ---------- Colores de marca (cambiar acá y se actualiza todo) ---------- */
.gst-xt {
  --gst-rojo: #E3241B;          /* reemplazar por el rojo exacto de marca */
  --gst-fondo: #050505;
  --gst-fondo-2: #0d0d0d;
  --gst-tarjeta: #151515;
  --gst-linea: #262626;
  --gst-texto: #e6e6e6;
  --gst-texto-2: #a8a8a8;
  --gst-blanco: #ffffff;
  --gst-glow: rgba(227, 36, 27, 0.35);
  --gst-header-alto: 0px;       /* si el header del tema es fijo, poner su alto (ej. 80px) */
}

/* ---------- Contenedor a todo el ancho ---------- */
/* La descripción vive dentro de una columna del tema: esto la "saca" a pantalla completa */
.gst-xt {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  background: var(--gst-fondo);
  color: var(--gst-texto);
  font-family: 'Open Sans', Arial, sans-serif;
  line-height: 1.55;
}
html, body { overflow-x: clip; } /* evita el scroll horizontal que puede generar 100vw */

.gst-xt *, .gst-xt *::before, .gst-xt *::after { box-sizing: border-box; }
.gst-xt img { max-width: 100%; height: auto; display: block; }
.gst-xt h1, .gst-xt h2, .gst-xt h3, .gst-xt p { margin: 0; }
.gst-xt h1, .gst-xt h2, .gst-xt h3 {
  font-family: 'Poppins', Arial, sans-serif;
  color: var(--gst-blanco);
  line-height: 1.1;
}

.gst-wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- Barra de secciones fija ---------- */
.gst-nav {
  position: sticky;
  top: var(--gst-header-alto);
  z-index: 20;
  background: rgba(0, 0, 0, 0.92);
  border-bottom: 1px solid #1c1c1c;
}
.gst-nav .gst-wrap {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 16px;
  padding-bottom: 16px;
}
.gst-nav a {
  position: relative;
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 500;
  font-size: 15px;
  color: var(--gst-texto-2);
  text-decoration: none;
  padding-bottom: 6px;
  transition: color .25s;
}
.gst-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--gst-rojo);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s cubic-bezier(.2, .8, .2, 1);
}
.gst-nav a:hover,
.gst-nav a:focus-visible { color: var(--gst-blanco); }
.gst-nav a:hover::after,
.gst-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }

/* Para que las anclas no queden tapadas por la barra */
.gst-xt [id] { scroll-margin-top: calc(var(--gst-header-alto) + 70px); }

/* ---------- Hero ---------- */
.gst-hero {
  position: relative;
  isolation: isolate;
  text-align: center;
  padding: 96px 24px 0;
  background: var(--gst-fondo);
}
.gst-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse 55% 60% at 50% 0%, var(--gst-glow) 0%, transparent 70%);
  animation: gst-respirar 6s ease-in-out infinite;
}
.gst-hero__producto {
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 600;
  font-size: 22px;
  color: var(--gst-texto);
  margin-bottom: 12px;
}
.gst-hero h1 {
  max-width: 900px;
  margin: 0 auto;
  font-weight: 700;
  font-size: clamp(36px, 6vw, 76px);
}
.gst-hero__img { max-width: 980px; margin: 56px auto 0; }

/* ---------- Franja de beneficios ---------- */
.gst-beneficios {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 0 88px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.gst-beneficio { padding: 0 24px; border-right: 1px solid var(--gst-linea); }
.gst-beneficio:last-child { border-right: 0; }
.gst-beneficio__titulo {
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: var(--gst-blanco);
  margin-bottom: 8px;
}
.gst-beneficio__texto { font-size: 15px; color: var(--gst-texto-2); }

/* ---------- Secciones y bloques alternados ---------- */
.gst-seccion { padding: 112px 0 40px; }
.gst-seccion--compacta { padding-top: 72px; }
.gst-seccion__titulo {
  text-align: center;
  font-weight: 700;
  font-size: clamp(30px, 4.4vw, 56px);
  margin-bottom: 72px;
}
.gst-bloque {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.gst-bloque--invertido .gst-bloque__texto { order: 2; }
.gst-bloque__texto { max-width: 440px; }
.gst-bloque__texto h3 {
  font-weight: 600;
  font-size: 26px;
  color: var(--gst-rojo);
  margin-bottom: 14px;
}
.gst-bloque__texto p { font-size: 18px; color: var(--gst-texto); }
.gst-bloque__texto p + h3 { margin-top: 40px; }

/* Fotos que se funden con el fondo negro (como Bambu Lab) */
.gst-bloque__img img {
  transform: perspective(900px) rotateX(var(--gst-rx, 0deg)) rotateY(var(--gst-ry, 0deg)) scale(var(--gst-zoom, 1));
  transition: transform .5s cubic-bezier(.2, .8, .2, 1), filter .5s;
  -webkit-mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, #000 60%, transparent 100%);
          mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, #000 60%, transparent 100%);
}

/* ---------- Usos (chips) ---------- */
.gst-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.gst-chip {
  border: 1px solid #333;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 15px;
  color: var(--gst-texto);
  cursor: default;
  transition: transform .3s cubic-bezier(.34, 1.56, .64, 1), background-color .25s, border-color .25s, color .25s;
}
.gst-chip:hover {
  transform: translateY(-4px) rotate(-2deg);
  background: var(--gst-rojo);
  border-color: var(--gst-rojo);
  color: var(--gst-blanco);
}

/* ---------- Antes de imprimir ---------- */
.gst-antes {
  background: var(--gst-fondo-2);
  border-top: 1px solid #1c1c1c;
  border-bottom: 1px solid #1c1c1c;
  padding: 96px 0;
  margin-top: 72px;
}
.gst-antes .gst-seccion__titulo { font-size: clamp(28px, 3.4vw, 44px); margin-bottom: 56px; }
.gst-tarjetas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gst-tarjeta {
  background: var(--gst-tarjeta);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 32px;
  transition: transform .35s cubic-bezier(.2, .8, .2, 1), border-color .35s, box-shadow .35s;
}
.gst-tarjeta:hover {
  transform: translateY(-6px);
  border-color: #2e2e2e;
  box-shadow: 0 18px 40px -18px var(--gst-glow);
}
.gst-tarjeta h3 { font-weight: 600; font-size: 20px; margin: 0 0 8px; }
.gst-tarjeta h3::before {
  content: "";
  display: block;
  width: 32px;
  height: 32px;
  margin-bottom: 18px;
  background: var(--gst-rojo);
  -webkit-mask: var(--gst-icono) center / contain no-repeat;
          mask: var(--gst-icono) center / contain no-repeat;
  transition: transform .45s cubic-bezier(.34, 1.56, .64, 1);
}
.gst-tarjeta:hover h3::before { transform: rotate(-10deg) scale(1.15); }
.gst-tarjeta--slicer {
  --gst-icono: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2 2 7l10 5 10-5-10-5z'/%3E%3Cpath d='m2 12 10 5 10-5'/%3E%3Cpath d='m2 17 10 5 10-5'/%3E%3C/svg%3E");
}
.gst-tarjeta--multimaterial {
  --gst-icono: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8'%3E%3Ccircle cx='8.5' cy='12' r='6'/%3E%3Ccircle cx='15.5' cy='12' r='6'/%3E%3C/svg%3E");
}
.gst-tarjeta--temperatura {
  --gst-icono: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 14.76V4a2 2 0 0 0-4 0v10.76a4 4 0 1 0 4 0z'/%3E%3Cpath d='M12 9v6'/%3E%3C/svg%3E");
}
.gst-tarjeta--cama {
  --gst-icono: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='17' width='20' height='4' rx='1'/%3E%3Cpath d='M9 3h6v5l-3 3-3-3z'/%3E%3Cpath d='M7 14h10'/%3E%3C/svg%3E");
}
.gst-tarjeta p { font-size: 16px; color: #b5b5b5; }

/* ---------- Especificaciones ---------- */
.gst-specs { padding: 96px 0; }
.gst-specs .gst-seccion__titulo { font-size: clamp(28px, 3.4vw, 44px); margin-bottom: 40px; }
.gst-specs__tabla { max-width: 760px; margin: 0 auto; border-top: 1px solid var(--gst-linea); }
.gst-specs__fila {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--gst-linea);
}
.gst-specs__etiqueta { color: var(--gst-texto-2); transition: color .25s, transform .25s; }
.gst-specs__valor { color: var(--gst-blanco); text-align: right; }
.gst-specs__fila { transition: background-color .25s; }
.gst-specs__fila:hover { background: #0e0e0e; }
.gst-specs__fila:hover .gst-specs__etiqueta { color: var(--gst-rojo); transform: translateX(6px); }

/* ---------- Cierre / llamado a la compra ---------- */
.gst-cierre {
  text-align: center;
  padding: 104px 24px 120px;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, var(--gst-glow) 0%, transparent 70%),
    var(--gst-fondo);
}
.gst-sello {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--gst-rojo);
  color: var(--gst-blanco);
  border-radius: 999px;
  padding: 8px 18px;
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 600;
  font-size: 14px;
}
.gst-cierre h2 { font-weight: 700; font-size: clamp(30px, 4.4vw, 56px); margin: 24px 0 32px; }
.gst-boton {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  min-height: 56px;
  padding: 16px 48px;
  border-radius: 999px;
  background: var(--gst-rojo);
  color: var(--gst-blanco) !important;
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
  animation: gst-latido 2.6s ease-out infinite;
  transition: transform .3s cubic-bezier(.34, 1.56, .64, 1), box-shadow .3s;
}
.gst-boton::after {
  content: "";
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(110deg, transparent, rgba(255, 255, 255, .45), transparent);
  transform: skewX(-20deg);
  transition: left .7s ease;
}
.gst-boton:hover,
.gst-boton:focus-visible {
  animation: none;
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 14px 34px -6px var(--gst-glow);
}
.gst-boton:hover::after,
.gst-boton:focus-visible::after { left: 130%; }
.gst-boton:active { transform: scale(.96); }
.gst-boton:focus-visible { outline: 2px solid var(--gst-blanco); outline-offset: 4px; }

/* ---------- Celular ---------- */
@media (max-width: 900px) {
  .gst-beneficios { grid-template-columns: 1fr 1fr; gap: 32px 0; }
  .gst-beneficio:nth-child(2) { border-right: 0; }
  .gst-tarjetas { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .gst-hero { padding-top: 64px; }
  .gst-nav .gst-wrap { gap: 20px; }
  .gst-seccion { padding-top: 72px; }
  .gst-seccion__titulo { margin-bottom: 40px; }
  .gst-bloque { grid-template-columns: 1fr; gap: 32px; }
  .gst-bloque--invertido .gst-bloque__texto { order: 0; } /* en celular: texto primero, imagen después */
  .gst-beneficio { padding: 0 16px; }
  .gst-beneficio__titulo { font-size: 19px; }
}

/* ==========================================================
   Movimiento
   ========================================================== */

/* Fotos: al pasar el mouse se acercan, se iluminan y se inclinan */
.gst-bloque__img:hover { --gst-zoom: 1.05; }
.gst-bloque__img:hover img {
  filter: brightness(1.12) saturate(1.15);
  transition-duration: .15s, .5s;
}

/* Hero: entrada al cargar y bobinas flotando */
.gst-hero__producto,
.gst-hero h1,
.gst-hero__img { animation: gst-entrar .9s cubic-bezier(.2, .8, .2, 1) both; }
.gst-hero h1 { animation-delay: .12s; }
.gst-hero__img { animation-delay: .28s; }
.gst-hero__img img { animation: gst-flotar 6s ease-in-out 1.2s infinite; }

/* Beneficios */
.gst-beneficio__titulo { transition: color .25s; }
.gst-beneficio:hover .gst-beneficio__titulo { color: var(--gst-rojo); }

/* Punto que titila en el sello */
.gst-sello::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gst-rojo);
  animation: gst-titilar 1.4s ease-in-out infinite;
}

/* ---------- Selector de color (bobinas) ---------- */
.gst-colores {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 10px;
  max-width: 760px;
  margin: 0 auto 44px;
}
.gst-color {
  -webkit-appearance: none;
          appearance: none;
  background: none;
  border: 0;
  padding: 0;
  width: 84px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--gst-texto-2);
  font: 500 13px/1.25 'Poppins', Arial, sans-serif;
  transition: color .25s;
}
.gst-color__muestra {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  /* frente de una bobina: centro hueco, anillo interno y filamento */
  background:
    radial-gradient(circle, var(--gst-fondo) 0 20%, #2a2a2a 21% 27%, transparent 28%),
    repeating-radial-gradient(circle, rgba(255,255,255,.08) 0 1px, transparent 1px 3px),
    var(--gst-muestra, #555);
  border: 2px solid #333;
  box-shadow: inset 0 -8px 14px rgba(0, 0, 0, .35);
  transition: transform .5s cubic-bezier(.34, 1.56, .64, 1), border-color .25s, box-shadow .25s;
}
.gst-color:hover { color: var(--gst-blanco); }
.gst-color:hover .gst-color__muestra { transform: rotate(200deg) scale(1.14); border-color: var(--gst-blanco); }
.gst-color:focus-visible { outline: none; }
.gst-color:focus-visible .gst-color__muestra { outline: 2px solid var(--gst-blanco); outline-offset: 4px; }
.gst-color.is-activo { color: var(--gst-blanco); }
.gst-color.is-activo .gst-color__muestra {
  border-color: var(--gst-rojo);
  box-shadow: 0 0 0 5px var(--gst-glow), inset 0 -8px 14px rgba(0, 0, 0, .35);
}

/* Bobinas de mármol: vetas sobre el color */
.gst-color--marmol .gst-color__muestra {
  background:
    radial-gradient(circle, var(--gst-fondo) 0 20%, #2a2a2a 21% 27%, transparent 28%),
    linear-gradient(35deg, transparent 40%, rgba(40, 40, 40, .35) 42%, transparent 45%),
    linear-gradient(-20deg, transparent 58%, rgba(255, 255, 255, .45) 60%, transparent 63%),
    linear-gradient(80deg, transparent 20%, rgba(30, 30, 30, .25) 22%, transparent 24%),
    linear-gradient(150deg, transparent 70%, rgba(60, 60, 60, .3) 72%, transparent 74%),
    var(--gst-muestra, #cfcac2);
}

/* Partículas al elegir un color (las crea el script) */
.gst-chispa {
  position: fixed;
  z-index: 9999;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  pointer-events: none;
}

/* ---------- Animaciones ---------- */
@keyframes gst-respirar { 0%, 100% { opacity: .7; } 50% { opacity: 1; } }
@keyframes gst-entrar { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@keyframes gst-flotar { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes gst-titilar { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
@keyframes gst-latido {
  0%   { box-shadow: 0 0 0 0 var(--gst-glow); }
  70%  { box-shadow: 0 0 0 18px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ---------- Lista de características ---------- */
.gst-bloque__texto strong { color: var(--gst-blanco); font-weight: 600; }
.gst-caracteristicas {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
}
.gst-caracteristicas li {
  border-top: 2px solid var(--gst-linea);
  padding-top: 20px;
  font-size: 16px;
  color: var(--gst-texto-2);
  transition: border-color .3s;
}
.gst-caracteristicas li:hover { border-top-color: var(--gst-rojo); }
.gst-caracteristicas strong {
  display: block;
  margin-bottom: 6px;
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 600;
  font-size: 19px;
  color: var(--gst-blanco);
}
.gst-xt--cosmos .gst-caracteristicas li:hover { border-top-color: var(--gst-acento-2); }
@media (max-width: 900px) { .gst-caracteristicas { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) { .gst-caracteristicas { grid-template-columns: 1fr; gap: 28px; } }

/* ==========================================================
   Línea COSMOS · espacio profundo, violeta y cian
   Se activa con <div class="gst-xt gst-xt--cosmos">
   ========================================================== */
.gst-xt.gst-xt--cosmos {
  --gst-rojo: #8b6cff;          /* acento principal (violeta) */
  --gst-acento-2: #3fd0ff;      /* acento secundario (cian) */
  --gst-fondo: #05061a;
  --gst-fondo-2: #0a0c26;
  --gst-tarjeta: #10132f;
  --gst-linea: #23265a;
  --gst-texto: #e4e6f7;
  --gst-texto-2: #9ea4cc;
  --gst-glow: rgba(139, 108, 255, 0.38);
}
.gst-xt--cosmos .gst-nav { background: rgba(5, 6, 26, 0.9); border-bottom-color: #1b1e48; }
.gst-xt--cosmos .gst-antes { border-color: #1b1e48; }
.gst-xt--cosmos .gst-chip { border-color: #2c3070; }
.gst-xt--cosmos .gst-chip:hover {
  background: linear-gradient(120deg, var(--gst-rojo), var(--gst-acento-2));
  border-color: transparent;
}
.gst-xt--cosmos .gst-tarjeta:hover { border-color: #2f3478; }
.gst-xt--cosmos .gst-tarjeta p { color: #b3b8dc; }
.gst-xt--cosmos .gst-specs__fila:hover { background: #0b0e2a; }
.gst-xt--cosmos .gst-specs__fila:hover .gst-specs__etiqueta { color: var(--gst-acento-2); }
.gst-xt--cosmos .gst-bloque__texto h3 {
  background: linear-gradient(100deg, var(--gst-rojo), var(--gst-acento-2));
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.gst-xt--cosmos .gst-nav a::after,
.gst-xt--cosmos .gst-boton {
  background: linear-gradient(110deg, var(--gst-rojo), var(--gst-acento-2));
}
.gst-xt--cosmos .gst-sello { border-color: var(--gst-acento-2); }
.gst-xt--cosmos .gst-sello::before { background: var(--gst-acento-2); }

/* Cielo estrellado en el hero y en el cierre */
.gst-xt--cosmos .gst-hero::after,
.gst-xt--cosmos .gst-cierre::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 24px 36px, #fff, transparent),
    radial-gradient(1px 1px at 132px 92px, rgba(255, 255, 255, .8), transparent),
    radial-gradient(1.5px 1.5px at 214px 168px, #cfd6ff, transparent),
    radial-gradient(1px 1px at 318px 44px, #fff, transparent),
    radial-gradient(2px 2px at 372px 226px, rgba(150, 210, 255, .9), transparent),
    radial-gradient(1px 1px at 86px 252px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 262px 284px, rgba(200, 180, 255, .9), transparent);
  background-size: 420px 320px;
  animation: gst-estrellas 5s ease-in-out infinite;
}
.gst-xt--cosmos .gst-cierre {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
/* Estrella fugaz en el cierre */
.gst-xt--cosmos .gst-cierre::after {
  content: "";
  position: absolute;
  top: 16%;
  left: -12%;
  z-index: -1;
  width: 140px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--gst-acento-2), #fff);
  opacity: 0;
  pointer-events: none;
  animation: gst-fugaz 8s ease-in 2s infinite;
}
@keyframes gst-estrellas { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }
@keyframes gst-fugaz {
  0%   { opacity: 0; transform: translate(0, 0) rotate(17deg); }
  2%   { opacity: 1; }
  11%  { opacity: 0; transform: translate(75vw, 23vw) rotate(17deg); }
  100% { opacity: 0; transform: translate(75vw, 23vw) rotate(17deg); }
}

/* ==========================================================
   Línea BLACK EDITION · negro mate profundo y violeta GST3D
   Se activa con <div class="gst-xt gst-xt--black">
   ========================================================== */
.gst-xt.gst-xt--black {
  --gst-rojo: #9360cc;          /* acento principal (violeta GST3D) */
  --gst-acento-2: #d8c2f1;      /* violeta claro GST3D */
  --gst-fondo: #000000;
  --gst-fondo-2: #0a0a0a;
  --gst-tarjeta: #111111;
  --gst-linea: #23202a;
  --gst-texto: #e8e6ec;
  --gst-texto-2: #9d99a6;
  --gst-blanco: #ffffff;
  --gst-glow: rgba(147, 96, 204, 0.28);
}
/* Textura mate: un grano muy sutil sobre todo el fondo */
.gst-xt--black {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
}
.gst-xt--black .gst-hero,
.gst-xt--black .gst-cierre,
.gst-xt--black .gst-antes { background-color: transparent; }
.gst-xt--black .gst-antes { background-color: rgba(255, 255, 255, .02); border-color: #1b1920; }
.gst-xt--black .gst-nav { background: rgba(0, 0, 0, .92); border-bottom-color: #1b1920; }
.gst-xt--black .gst-hero__producto,
.gst-xt--black .gst-beneficio__titulo,
.gst-xt--black .gst-sello { letter-spacing: .14em; text-transform: uppercase; }
.gst-xt--black .gst-hero__producto { font-size: 15px; color: var(--gst-rojo); }
.gst-xt--black .gst-beneficio__titulo { font-size: 18px; }
.gst-xt--black .gst-sello { font-size: 12px; font-weight: 500; }
.gst-xt--black .gst-chip { border-color: #2c2934; }
.gst-xt--black .gst-tarjeta { border-color: #1c1a21; }
.gst-xt--black .gst-tarjeta:hover { border-color: #3a2e4d; }
.gst-xt--black .gst-tarjeta p { color: #aba7b4; }
.gst-xt--black .gst-specs__fila:hover { background: rgba(147, 96, 204, .06); }
.gst-xt--black .gst-color.is-activo .gst-color__muestra { box-shadow: 0 0 0 5px rgba(147, 96, 204, .4), inset 0 -8px 14px rgba(0, 0, 0, .35); }

/* Títulos con un brillo violeta que pasa despacio */
.gst-xt--black .gst-hero h1,
.gst-xt--black .gst-cierre h2 {
  background: linear-gradient(100deg, var(--gst-blanco) 0%, var(--gst-blanco) 40%, var(--gst-acento-2) 50%, var(--gst-blanco) 60%, var(--gst-blanco) 100%);
  background-size: 250% 100%;
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gst-entrar .9s cubic-bezier(.2, .8, .2, 1) .12s both, gst-brillo-violeta 7s ease-in-out 1.5s infinite;
}
.gst-xt--black .gst-cierre h2 { animation: gst-brillo-violeta 7s ease-in-out infinite; }

/* Botón violeta GST3D */
.gst-xt--black .gst-boton {
  background: linear-gradient(110deg, #7a45b8, var(--gst-rojo) 55%, #a97ad9);
}
.gst-xt--black .gst-boton::after { background: linear-gradient(110deg, transparent, rgba(255, 255, 255, .55), transparent); }

@keyframes gst-brillo-violeta {
  0%, 100% { background-position: 100% 0; }
  50%      { background-position: 0 0; }
}

/* Quien tenga desactivadas las animaciones en su sistema no las ve */
@media (prefers-reduced-motion: reduce) {
  .gst-xt *, .gst-xt *::before, .gst-xt *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 700px) {
  .gst-color { width: 72px; }
  .gst-color__muestra { width: 48px; height: 48px; }
}