/* ══════════════════════════════════════════════════════════════
   Catálogo DXF Motorsport — estética "Carbono" (propuesta C, elegida
   el 21/10/2026). Negro casi puro, textura de fibra de carbono en CSS,
   cortes diagonales con clip-path, Bebas Neue para titulares y
   Source Sans 3 para el texto. Las fuentes se cargan en el <head> del HTML.
   ══════════════════════════════════════════════════════════════ */

:root{
  --bg:#060608;
  --surface:#0d0d10;
  --surface2:#141418;
  --fg:#f2f2f2;
  --accent:#e4122a;
  --accent-dk:#b30d20;
  --chrome:#c9ccd1;
  --muted:#8a8a90;
  --border:#1c1c20;
  --border2:#2c2c32;
  --on-accent:#ffffff;
  --ease-out:cubic-bezier(0.16,1,0.3,1);
  --display:"Bebas Neue","Source Sans 3",Arial,sans-serif;
  --body:"Source Sans 3",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;color-scheme:dark;overflow-x:hidden;scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--fg);overflow-x:hidden;
  font-family:var(--body);font-size:16px;line-height:1.55;
  -webkit-tap-highlight-color:transparent;
}
a{color:inherit;text-decoration:none}
a,button,select,input,[role="button"]{touch-action:manipulation}
img,svg{display:block;max-width:100%}
h1,h2,h3{font-family:var(--display);font-weight:400;letter-spacing:.02em;line-height:1.05;text-transform:uppercase;text-wrap:balance}

a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,.card:focus-visible{
  outline:3px solid var(--chrome);outline-offset:3px;border-radius:2px;
}

.skip-link{
  position:absolute;left:16px;top:-56px;z-index:100;
  background:var(--accent);color:var(--on-accent);font-weight:700;padding:10px 16px;border-radius:2px;
  transition:top 200ms var(--ease-out);
}
.skip-link:focus-visible{top:16px}

.eyebrow{
  font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--chrome);
  border-left:3px solid var(--accent);padding-left:10px;
}

/* ── Textura de fibra de carbono (CSS puro) ── */
.carbon-bg{
  background-color:var(--surface);
  background-image:
    repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0,rgba(255,255,255,.045) 2px,transparent 2px,transparent 10px),
    repeating-linear-gradient(-45deg,rgba(255,255,255,.03) 0,rgba(255,255,255,.03) 2px,transparent 2px,transparent 10px);
  background-size:28px 28px,28px 28px;
}
@media (prefers-reduced-motion:no-preference){
  .carbon-bg.drift{animation:carbonDrift 40s linear infinite}
}
@keyframes carbonDrift{
  from{background-position:0 0,0 0}
  to{background-position:280px 280px,-280px 280px}
}

/* ── Botones ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;
  font-family:var(--body);font-weight:700;font-size:.92rem;letter-spacing:.05em;text-transform:uppercase;
  cursor:pointer;border:1px solid transparent;border-radius:2px;white-space:nowrap;
  transition:transform 160ms var(--ease-out),filter 160ms var(--ease-out),border-color 160ms var(--ease-out);
}
.btn-primary{
  background:var(--accent);color:var(--on-accent);
  clip-path:polygon(0 0,100% 0,100% 70%,92% 100%,0 100%);
}
.btn-ghost{background:transparent;border-color:var(--chrome);color:var(--fg)}
@media (hover:hover) and (pointer:fine){
  .btn-primary:hover{filter:brightness(1.12);transform:translateY(-2px)}
  .btn-ghost:hover{border-color:var(--fg);transform:translateY(-2px)}
}

/* ── Cabecera ── */
.topbar{
  position:sticky;top:0;z-index:20;
  background:rgba(6,6,8,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.topbar-inner{
  max-width:1280px;margin:0 auto;padding:0 20px;min-height:72px;
  display:flex;align-items:center;gap:20px;
}
.brand{
  font-family:var(--display);font-size:1.5rem;letter-spacing:.04em;
  display:flex;align-items:center;gap:8px;min-height:44px;white-space:nowrap;
}
.brand span{color:var(--accent)}
.nav{display:none;align-items:center;gap:22px;margin-left:auto}
.nav-link{
  font-size:.95rem;font-weight:600;letter-spacing:.02em;padding:12px 2px;min-height:44px;
  display:inline-flex;align-items:center;border-bottom:2px solid transparent;
  transition:border-color 180ms var(--ease-out),color 180ms var(--ease-out);
}
.nav-social{display:flex;align-items:center;gap:8px}
.social-link{
  display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:2px;
  border:1px solid var(--border2);color:var(--chrome);
  transition:border-color 160ms var(--ease-out),color 160ms var(--ease-out);
}
.social-link svg{width:17px;height:17px}
.link-admin{
  font-size:.85rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);
  padding:10px 2px;min-height:44px;display:inline-flex;align-items:center;
  transition:color 160ms var(--ease-out);
}
.btn-cotizador{margin-left:auto;min-height:44px;padding:0 18px;font-size:.85rem;white-space:nowrap}
/* Acceso al área admin en el móvil (en escritorio está en la barra de navegación) */
.admin-movil{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  min-width:44px;min-height:44px;margin-left:-8px;padding:0 4px;
  color:var(--muted);font-size:.62rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  touch-action:manipulation;-webkit-tap-highlight-color:transparent;
}
.admin-movil svg{width:20px;height:20px}
.admin-movil:active{color:var(--fg)}
@media (min-width:768px){.admin-movil{display:none}}
@media (max-width:767px){
  .topbar-inner{padding:0 14px;gap:10px}
  .brand{font-size:1.3rem;gap:6px}
  .btn-cotizador{padding:0 14px}
  .admin-movil{margin-left:-4px}
}
@media (max-width:429px){.solo-ancho{display:none}}
@media (hover:hover) and (pointer:fine){
  .nav-link:hover{color:var(--accent);border-color:var(--accent)}
  .social-link:hover{border-color:var(--accent);color:var(--fg)}
  .link-admin:hover{color:var(--fg)}
}

/* ── Portada (hero) ── */
.hero{position:relative;background:var(--bg);overflow:hidden}
.hero-grid{display:flex;flex-direction:column}
.hero-left{position:relative;z-index:2;padding:56px 20px 40px}
.hero-title{font-size:clamp(2.6rem,11vw,3.4rem);margin:18px 0 20px}
.hero-title .line{display:block}
.hero-sub{max-width:36ch;font-size:1.05rem;margin-bottom:28px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:16px}

.hero-right{
  position:relative;overflow:hidden;min-height:300px;padding:40px 20px 48px;
  display:flex;align-items:flex-end;border-top:1px solid var(--border);
}
/* Fotos reales del catálogo pasando de fondo (las crea js/app.js) */
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg-img{
  position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat;
  opacity:0;transition:opacity 1.8s ease;filter:grayscale(.35) contrast(1.05);
}
.hero-bg-img.activa{opacity:1}
/* Velo de fibra de carbono por encima de las fotos */
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background-image:
    repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0,rgba(255,255,255,.05) 2px,transparent 2px,transparent 10px),
    repeating-linear-gradient(-45deg,rgba(255,255,255,.035) 0,rgba(255,255,255,.035) 2px,transparent 2px,transparent 10px),
    linear-gradient(180deg,rgba(6,6,8,.55) 0%,rgba(6,6,8,.88) 100%);
  background-size:28px 28px,28px 28px,100% 100%;
}
.speedline{
  /* por encima de las cifras, no a través de ellas */
  position:absolute;left:0;right:0;top:20%;height:3px;z-index:2;
  background:var(--accent);box-shadow:0 0 10px rgba(228,18,42,.7);
  transform-origin:left center;transform:scaleX(0);
}
@media (prefers-reduced-motion:no-preference){
  .speedline{animation:speedSweep .8s var(--ease-out) .1s both}
  .hero-left .eyebrow{animation:heroFadeUp .5s var(--ease-out) 0s both}
  .hero-title .line1{animation:heroFadeUp .5s var(--ease-out) .1s both}
  .hero-title .line2{animation:heroFadeUp .5s var(--ease-out) .22s both}
  .hero-sub{animation:heroFadeUp .5s var(--ease-out) .32s both}
  .hero-ctas{animation:heroFadeUp .5s var(--ease-out) .4s both}
  .hero-stats{animation:heroFadeUp .5s var(--ease-out) .3s both}
}
@media (prefers-reduced-motion:reduce){
  .speedline{transform:scaleX(1)}
  .hero-bg-img{transition:none}
}
@keyframes speedSweep{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes heroFadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

.hero-stats{position:relative;z-index:3;display:grid;gap:20px;width:100%;max-width:380px}
.hero-stat{display:flex;align-items:baseline;gap:14px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:14px}
.hero-stat-num{font-family:var(--display);font-size:3rem;line-height:1;color:var(--fg);font-variant-numeric:tabular-nums;min-width:2ch}
.hero-stat-label{font-size:.85rem;color:var(--chrome);text-transform:uppercase;letter-spacing:.06em;font-weight:600}

.diag-divider{height:46px;background:var(--surface);clip-path:polygon(0 100%,100% 0,100% 100%)}

/* ── Catálogo ── */
.catalogo{background:var(--surface);padding:24px 0 72px}
.catalogo > *{max-width:1280px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
.section-head{margin-bottom:32px}
.section-head h2{font-size:clamp(2rem,6vw,2.6rem);margin-top:10px}
.section-head p{color:var(--muted);margin-top:12px;max-width:62ch}

.buscador-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.buscador,.orden-select{
  background:var(--bg);border:1px solid var(--border2);color:var(--fg);border-radius:2px;
  min-height:48px;padding:0 16px;font-family:var(--body);font-size:1rem;outline:none;
  transition:border-color 160ms var(--ease-out);
}
.buscador{flex:1;min-width:200px}
.buscador::placeholder{color:var(--muted)}
.orden-select{
  color:var(--chrome);font-size:.92rem;font-weight:600;cursor:pointer;padding-right:40px;
  -webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c9ccd1' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;
}
.buscador:focus,.orden-select:focus{border-color:var(--accent)}

.filtros{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.filtro-btn{
  background:transparent;border:1px solid var(--border2);color:var(--chrome);border-radius:2px;
  min-height:40px;padding:0 14px;font-family:var(--body);font-size:.8rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;cursor:pointer;
  transition:border-color 160ms var(--ease-out),color 160ms var(--ease-out),background-color 160ms var(--ease-out);
}
.filtro-btn.active{
  background:var(--accent);border-color:var(--accent);color:var(--on-accent);
  clip-path:polygon(0 0,100% 0,100% 65%,90% 100%,0 100%);
}
@media (hover:hover) and (pointer:fine){
  .filtro-btn:not(.active):hover{border-color:var(--accent);color:var(--fg)}
}

/* En el móvil, las categorías en una sola fila deslizable en vez de 7 filas de botones */
@media (max-width:767px){
  .filtros{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
    overscroll-behavior-x:contain;margin-bottom:24px;padding-bottom:2px}
  .filtros::-webkit-scrollbar{display:none}
  .filtro-btn{flex:0 0 auto}
}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.grid-vacio{text-align:center;color:var(--muted);padding:48px 0}

.card{
  background:var(--bg);border:1px solid var(--border);cursor:pointer;position:relative;
  display:flex;flex-direction:column;overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% 94%,90% 100%,0 100%);
  transition:transform 200ms var(--ease-out),border-color 200ms var(--ease-out);
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;z-index:2;background:var(--accent);
  transform:scaleX(0);transform-origin:left center;transition:transform 260ms var(--ease-out);
}
@media (hover:hover) and (pointer:fine){
  .card:hover{transform:translateY(-4px);border-color:var(--border2)}
  .card:hover::before{transform:scaleX(1)}
}
.card-destacado{
  position:absolute;top:12px;right:12px;z-index:2;background:var(--accent);color:var(--on-accent);
  width:30px;height:30px;display:flex;align-items:center;justify-content:center;font-size:14px;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
}

/* Revelado al hacer scroll (lo activa js/app.js) */
.card.reveal-listo{opacity:0;transform:translateY(16px);transition:opacity .45s var(--ease-out),transform .45s var(--ease-out),border-color .2s}
.card.reveal-listo.reveal-visible{opacity:1;transform:none}
@media (hover:hover) and (pointer:fine){
  .card.reveal-listo.reveal-visible:hover{transform:translateY(-4px)}
}
@media (prefers-reduced-motion:reduce){
  .card.reveal-listo{opacity:1;transform:none;transition:none}
  .card::before{transition:none}
}

.card-img{
  aspect-ratio:4/3;width:100%;background:var(--surface2);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
  color:var(--muted);font-size:.85rem;text-align:center;padding:0;
}
.card-img[data-placeholder]{padding:16px}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-body{padding:16px 18px 24px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-cat{color:var(--accent);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.card-nombre{font-size:1.45rem;color:var(--fg)}
.card-desc{
  color:var(--muted);font-size:.9rem;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-precio{font-family:var(--display);font-size:1.6rem;letter-spacing:.02em;margin-top:8px;font-variant-numeric:tabular-nums}
.card-precio small{font-family:var(--body);color:var(--muted);font-size:.75rem;letter-spacing:0}

/* ── Redes sociales ── */
.social{background:var(--bg);border-top:1px solid var(--border);padding:48px 0}
.social-inner{
  max-width:1280px;margin:0 auto;padding:0 20px;
  display:flex;flex-direction:column;gap:24px;align-items:flex-start;justify-content:space-between;
}
.social-head h2{font-size:1.8rem;margin-top:10px}
.social-links{display:flex;flex-wrap:wrap;gap:14px}
.social-card{
  display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 18px;
  border:1px solid var(--border);background:var(--surface);color:var(--fg);font-weight:600;font-size:.95rem;
  transition:border-color 160ms var(--ease-out),transform 160ms var(--ease-out);
}
.social-card svg{width:22px;height:22px;stroke:var(--chrome);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
@media (hover:hover) and (pointer:fine){
  .social-card:hover{border-color:var(--accent);transform:translateY(-2px)}
}

/* ── Pie ── */
.footer{border-top:1px solid var(--border);background:var(--bg);padding:40px 0 28px}
.footer-inner{max-width:1280px;margin:0 auto;padding:0 20px}
.footer-top{
  display:flex;flex-direction:column;gap:16px;padding-bottom:24px;margin-bottom:20px;
  border-bottom:1px solid var(--border);
}
.footer-logo{font-family:var(--display);font-size:1.5rem;letter-spacing:.04em}
.footer-logo span{color:var(--accent)}
.footer-links{display:flex;flex-wrap:wrap;gap:4px 20px;font-size:.9rem}
.footer-links a{min-height:44px;display:inline-flex;align-items:center;color:var(--muted)}
@media (hover:hover) and (pointer:fine){
  .footer-links a:hover{color:var(--fg)}
}
.footer-bottom{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:.82rem}

/* ── Ficha del artículo (modal) ── */
.modal{
  position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.82);backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.modal[hidden]{display:none}
.modal-content{
  background:var(--surface);border:1px solid var(--border2);border-top:3px solid var(--accent);border-radius:2px;
  max-width:660px;width:100%;max-height:90vh;overflow-y:auto;overscroll-behavior:contain;position:relative;
  display:flex;flex-direction:column;box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.modal-cerrar{
  position:absolute;top:12px;right:12px;z-index:2;width:40px;height:40px;border-radius:2px;
  background:rgba(6,6,8,.75);border:1px solid var(--border2);color:var(--fg);font-size:22px;line-height:1;cursor:pointer;
}
.modal-imagen-wrap{position:relative;flex-shrink:0}
.modal-imagen{
  height:300px;max-height:42vh;background:var(--surface2);
  display:flex;align-items:center;justify-content:center;color:var(--muted);cursor:zoom-in;
}
.modal-imagen img{width:100%;height:100%;object-fit:cover}
.modal-nav{
  position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;padding:0;border:none;border-radius:2px;
  background:rgba(6,6,8,.65);color:#fff;font-size:24px;line-height:1;font-weight:700;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.modal-nav[hidden]{display:none}
.modal-nav-prev{left:10px}
.modal-nav-next{right:10px}
.modal-galeria-thumbs{display:flex;gap:8px;padding:12px 26px;overflow-x:auto;flex-shrink:0;background:var(--bg)}
.modal-galeria-thumbs[hidden]{display:none}
.modal-galeria-thumb{
  flex:0 0 auto;width:58px;height:58px;padding:0;border-radius:2px;overflow:hidden;
  border:2px solid transparent;background:var(--surface2);cursor:pointer;opacity:.6;
  transition:opacity 160ms var(--ease-out),border-color 160ms var(--ease-out);
}
.modal-galeria-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.modal-galeria-thumb.activa{opacity:1;border-color:var(--accent)}
@media (hover:hover) and (pointer:fine){
  .modal-cerrar:hover,.modal-nav:hover{background:rgba(6,6,8,.95)}
  .modal-galeria-thumb:hover{opacity:1}
}
.modal-info{padding:22px 26px 26px}
.modal-categoria{color:var(--accent);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.modal-info h2{font-size:2.1rem;margin:6px 0 14px}
.modal-info p{color:var(--chrome);font-size:.95rem;margin-bottom:16px;line-height:1.6}
.modal-descripcion{margin-bottom:6px}
.modal-descripcion p{color:var(--chrome);font-size:.95rem;line-height:1.6;margin-bottom:14px}
.modal-desc-titulo{color:var(--fg)!important;font-weight:700;margin-bottom:8px!important}
.modal-desc-lista{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:7px}
.modal-desc-lista li{color:var(--chrome);font-size:.93rem;line-height:1.5;padding-left:18px;position:relative}
.modal-desc-lista li::before{content:'';position:absolute;left:0;top:8px;width:8px;height:3px;background:var(--accent)}
.modal-desc-nota{
  color:var(--muted)!important;font-size:.88rem!important;font-style:italic;
  border-left:3px solid var(--border2);padding-left:10px;margin-bottom:14px!important;
}
.modal-desc-specs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.modal-desc-specs span{
  background:var(--bg);color:var(--chrome);font-size:.75rem;font-weight:600;letter-spacing:.03em;
  padding:6px 10px;border:1px solid var(--border2);border-radius:2px;
}
.modal-precio{font-family:var(--display);font-size:2.2rem;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.modal-opciones{margin-top:12px;padding:12px 14px;background:var(--bg);border:1px solid var(--border);border-radius:2px}
.modal-opciones[hidden]{display:none}
.modal-opciones-titulo{display:block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:6px}
.modal-opciones ul{list-style:none;margin:0;padding:0}
.modal-opciones li{font-size:.92rem;color:var(--chrome);padding:4px 0;border-bottom:1px dashed var(--border2)}
.modal-opciones li:last-child{border-bottom:none}
.btn-chat-modal{
  display:flex;align-items:center;justify-content:center;width:100%;min-height:48px;margin-top:20px;
  background:var(--accent);color:var(--on-accent);border:none;border-radius:2px;cursor:pointer;
  font-family:var(--body);font-weight:700;font-size:.92rem;letter-spacing:.05em;text-transform:uppercase;
  clip-path:polygon(0 0,100% 0,100% 70%,96% 100%,0 100%);
  transition:filter 160ms var(--ease-out);
}
@media (hover:hover) and (pointer:fine){
  .btn-chat-modal:hover{filter:brightness(1.12)}
}

/* ── Chat de la web (oculto de momento; ver catalogo-index.html) ── */
.chat-burbuja{
  position:fixed;bottom:24px;right:24px;z-index:60;width:58px;height:58px;border-radius:2px;
  background:var(--accent);color:#fff;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(228,18,42,.4);
}
.chat-burbuja[hidden]{display:none} /* el "hidden" del HTML no basta: display:flex tiene más especificidad que el [hidden] del navegador */
.chat-badge{position:absolute;top:-3px;right:-3px;width:14px;height:14px;background:#fff;box-shadow:0 0 0 3px var(--bg)}
.chat-badge[hidden]{display:none}
.chat-panel{
  position:fixed;bottom:94px;right:24px;z-index:60;width:340px;max-width:calc(100vw - 32px);
  height:min(480px,calc(100vh - 140px));background:var(--surface);border:1px solid var(--border2);border-radius:2px;
  box-shadow:0 30px 80px rgba(0,0,0,.6);display:flex;flex-direction:column;overflow:hidden;
}
.chat-panel[hidden]{display:none}
.chat-head{background:var(--accent);color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.chat-head-tit{font-family:var(--display);font-size:1.3rem;letter-spacing:.03em}
.chat-head-sub{font-size:.75rem;opacity:.9}
.chat-cerrar{background:none;border:none;color:#fff;font-size:22px;line-height:1;cursor:pointer;padding:4px}
.chat-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;min-height:0}
.chat-msg{max-width:82%;padding:9px 12px;border-radius:2px;font-size:.9rem;line-height:1.4;white-space:pre-wrap;word-break:break-word}
.chat-msg-bot,.chat-msg-admin{align-self:flex-start;background:var(--surface2);color:var(--fg)}
.chat-msg-cliente{align-self:flex-end;background:var(--accent);color:#fff}
.chat-quick{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px;flex-shrink:0}
.chat-quick-btn{background:transparent;border:1px solid var(--border2);color:var(--chrome);border-radius:2px;padding:6px 12px;font-size:.8rem;cursor:pointer}
.chat-nombre-row{padding:0 14px 8px;flex-shrink:0}
.chat-nombre-row[hidden]{display:none}
.chat-nombre-input,.chat-input{
  width:100%;background:var(--bg);border:1px solid var(--border2);color:var(--fg);border-radius:2px;
  padding:9px 12px;font-family:var(--body);font-size:.9rem;outline:none;
}
.chat-nombre-input:focus,.chat-input:focus{border-color:var(--accent)}
.chat-foot{border-top:1px solid var(--border);padding:10px;display:flex;gap:8px;flex-shrink:0}
.chat-input{flex:1;resize:none;max-height:80px}
.chat-input::placeholder{color:var(--muted)}
.chat-enviar{background:var(--accent);border:none;color:#fff;border-radius:2px;width:44px;font-size:15px;cursor:pointer;flex-shrink:0}
@media (max-width:480px){
  .chat-panel{right:16px;bottom:88px;width:calc(100vw - 32px)}
  .chat-burbuja{right:16px;bottom:16px}
}

/* ── Foto ampliada (lightbox) ── */
.lightbox{
  position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.95);
  display:flex;align-items:center;justify-content:center;padding:24px;cursor:zoom-out;
}
.lightbox[hidden]{display:none}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;cursor:default}
.lightbox-cerrar,.lightbox-nav{
  position:absolute;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;
  border-radius:2px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;line-height:1;
}
.lightbox-cerrar{top:16px;right:16px;width:44px;height:44px;font-size:22px}
.lightbox-nav{top:50%;transform:translateY(-50%);width:48px;height:48px;font-size:28px;font-weight:700}
.lightbox-nav[hidden]{display:none}
.lightbox-nav-prev{left:16px}
.lightbox-nav-next{right:16px}
@media (hover:hover) and (pointer:fine){
  .lightbox-cerrar:hover,.lightbox-nav:hover{background:rgba(255,255,255,.2)}
}

/* ── Tablet 768 px+ ── */
@media (min-width:768px){
  .nav{display:flex}
  .btn-cotizador{margin-left:0}
  .hero-grid{flex-direction:row;min-height:560px}
  .hero-left{flex:1 1 56%;padding:72px 48px 56px;display:flex;flex-direction:column;justify-content:center}
  .hero-right{
    flex:1 1 44%;min-height:560px;border-top:none;border-left:1px solid var(--border);
    padding:56px 40px;align-items:center;justify-content:center;
    clip-path:polygon(10% 0,100% 0,100% 100%,0 100%);
  }
  .hero-sub{font-size:1.15rem}
  .social-inner{flex-direction:row;align-items:center}
  .footer-top{flex-direction:row;justify-content:space-between;align-items:center}
}

/* ── Escritorio 1024 px+ ── */
@media (min-width:1024px){
  .hero-title{font-size:clamp(3.4rem,7vw,5rem)}
  .hero-left{padding:96px 64px 72px}
  .hero-right{padding:64px 56px}
  .grid{gap:22px}
}

/* ── Pantallas anchas 1440 px+ ── */
@media (min-width:1440px){
  .topbar-inner,.catalogo > *,.social-inner,.footer-inner{max-width:1360px}
  .hero-title{font-size:5.4rem}
}