/* TRAKTION — hoja de estilo única. Paleta y tipografía del manual de marca. */
:root{
  --basalto:#0E1113;
  --basalto-2:#171B1E;
  --basalto-3:#22272B;
  --linea:#2E3438;
  --linea-2:#3D454A;
  --traccion:#EDB61F;
  --traccion-osc:#C99714;
  --hueso:#F4F1EC;
  --ceniza:#8B9298;
  --ceniza-2:#5F676D;
  --lava:#D93B18;
  --ok:#5FBE8A;
  --max:1240px;
  --r:2px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--basalto);color:var(--hueso);
  font-family:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,sans-serif;
  font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--traccion);text-decoration:none}
a:hover{color:var(--hueso)}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px solid var(--traccion);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.disp{font-family:"Big Shoulders Display","Arial Narrow",sans-serif;font-weight:800;text-transform:uppercase;letter-spacing:.02em;line-height:.95;text-wrap:balance}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ceniza)}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:60;background:rgba(14,17,19,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--linea)}
.top-in{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:26px;width:auto}
.top nav{display:flex;gap:22px;margin-left:auto}
.top nav a{color:var(--ceniza);font-size:14px;font-weight:500}
.top nav a:hover{color:var(--hueso)}
.btn-wa{display:inline-flex;align-items:center;gap:8px;background:var(--traccion);color:var(--basalto);font-weight:600;font-size:14px;padding:9px 16px;border-radius:var(--r)}
.btn-wa:hover{background:var(--hueso);color:var(--basalto)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 44px;border-bottom:1px solid var(--linea);background:
  radial-gradient(120% 90% at 12% 0%, #1B2024 0%, var(--basalto) 62%)}
/* Capa 1: foto de ambiente. Deja caer cualquier imagen como web/img/marca/hero.png
   y aparece sola; si no existe, no se rompe nada. */
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(90deg,rgba(14,17,19,.97) 0%,rgba(14,17,19,.88) 38%,rgba(14,17,19,.55) 100%),
    url(../img/marca/hero.png);
  background-size:cover,cover;background-position:center,center center;background-repeat:no-repeat,no-repeat}
/* Capa 2: textura de tacos de llanta, más fuerte hacia la derecha. */
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:url(../img/marca/tread.svg) repeat;background-size:230px 230px;opacity:.05;
  transform:rotate(-8deg) scale(1.25);transform-origin:center;
  -webkit-mask-image:linear-gradient(100deg,transparent 22%,#000 78%);
  mask-image:linear-gradient(100deg,transparent 22%,#000 78%)}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:clamp(40px,6.4vw,76px);margin:0 0 16px}
.hero h1 em{font-style:normal;color:var(--traccion)}
.hero p{max-width:52ch;color:var(--ceniza);font-size:17px;margin:0 0 28px}
.buscador{display:flex;gap:10px;max-width:560px;flex-wrap:wrap}
.buscador .campo{flex:1 1 300px;position:relative}
.buscador input{
  width:100%;background:var(--basalto-2);border:1px solid var(--linea-2);color:var(--hueso);
  font-family:"IBM Plex Mono",monospace;font-size:17px;padding:15px 16px;border-radius:var(--r);
}
.buscador input::placeholder{color:var(--ceniza-2)}
.buscador input:focus{border-color:var(--traccion);outline:none}
.buscador button{background:var(--traccion);color:var(--basalto);font-weight:600;padding:15px 26px;border-radius:var(--r)}
.buscador button:hover{background:var(--hueso)}
.sugeridas{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;align-items:center}
.sugeridas span{font-size:12.5px;color:var(--ceniza-2)}
.sugeridas button{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--ceniza);border:1px solid var(--linea-2);padding:4px 9px;border-radius:var(--r)}
.sugeridas button:hover{border-color:var(--traccion);color:var(--traccion)}
.promesas{display:flex;flex-wrap:wrap;gap:10px 34px;margin-top:36px;padding-top:24px;border-top:1px solid var(--linea)}
.promesa{display:flex;flex-direction:column;gap:2px}
.promesa b{font-family:"Big Shoulders Display",sans-serif;font-size:26px;font-weight:700;text-transform:uppercase;line-height:1;color:var(--hueso)}
.promesa span{font-size:12.5px;color:var(--ceniza)}

/* ---------- filtros ---------- */
.filtros{scroll-margin-top:68px;position:sticky;top:68px;z-index:50;background:var(--basalto-2);border-bottom:1px solid var(--linea);padding:14px 0}
.filtros-in{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:center}
.grupo{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.grupo>.eyebrow{margin-right:2px}
.chip{font-size:13px;color:var(--ceniza);border:1px solid var(--linea-2);padding:6px 12px;border-radius:var(--r);white-space:nowrap}
.chip:hover{border-color:var(--ceniza);color:var(--hueso)}
.chip[aria-pressed="true"]{background:var(--traccion);border-color:var(--traccion);color:var(--basalto);font-weight:600}
select{background:var(--basalto-3);border:1px solid var(--linea-2);color:var(--hueso);font-size:13px;padding:6px 10px;border-radius:var(--r)}
.conteo{margin-left:auto;font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--ceniza)}
.conteo b{color:var(--traccion)}
.limpiar{font-size:12.5px;color:var(--ceniza);text-decoration:underline}
.limpiar:hover{color:var(--traccion)}

/* ---------- grilla ---------- */
.catalogo{padding:34px 0 72px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(226px,1fr));gap:18px}
.card{background:var(--basalto-2);border:1px solid var(--linea);display:flex;flex-direction:column;text-align:left;border-radius:var(--r);overflow:hidden;transition:border-color .15s}
.card:hover{border-color:var(--linea-2)}
.card .foto{background:var(--hueso);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:14px;position:relative}
.card .foto img{max-height:100%;width:auto;object-fit:contain;mix-blend-mode:multiply}
.card .nofoto{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.1em;color:#A9A196;text-align:center}
.card .cuerpo{padding:14px;display:flex;flex-direction:column;gap:9px;flex:1}
.badges{display:flex;gap:6px;flex-wrap:wrap}
.badge{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;padding:3px 7px;border-radius:var(--r)}
.badge.uso{background:var(--basalto-3);color:var(--ceniza)}
.badge.pos{border:1px solid var(--linea-2);color:var(--ceniza)}
.card h3{font-family:"Big Shoulders Display",sans-serif;font-weight:700;text-transform:uppercase;font-size:20px;line-height:1.02;margin:0;letter-spacing:.02em}
.card .medida{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--ceniza)}
.card .pie{margin-top:auto;padding-top:11px;border-top:1px solid var(--linea);display:flex;align-items:flex-end;justify-content:space-between;gap:8px}
.precio{font-family:"Big Shoulders Display",sans-serif;font-weight:800;font-size:29px;line-height:1;font-variant-numeric:tabular-nums}
.estado{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;display:flex;align-items:center;gap:5px;color:var(--ceniza)}
.punto{width:6px;height:6px;border-radius:50%;background:var(--ceniza-2);flex:none}
.estado.hay .punto{background:var(--ok)}
.estado.hay{color:var(--ok)}
.vacio{padding:60px 0;text-align:center;color:var(--ceniza)}
.vacio b{display:block;font-family:"Big Shoulders Display",sans-serif;font-size:30px;text-transform:uppercase;color:var(--hueso);margin-bottom:8px}

/* ---------- ficha ---------- */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(6,8,9,.82)}
.modal.abierto{display:flex}
.ficha{background:var(--basalto-2);border:1px solid var(--linea-2);max-width:840px;width:100%;max-height:90vh;overflow-y:auto;display:grid;grid-template-columns:1fr 1fr;border-radius:var(--r)}
.ficha .lado-foto{background:var(--hueso);display:flex;align-items:center;justify-content:center;padding:28px;min-height:280px}
.ficha .lado-foto img{max-height:340px;width:auto;object-fit:contain;mix-blend-mode:multiply}
.ficha .lado-info{position:relative;padding:28px;display:flex;flex-direction:column;gap:16px}
.ficha h2{font-family:"Big Shoulders Display",sans-serif;font-weight:800;text-transform:uppercase;font-size:34px;line-height:1;margin:0}
.specs{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--linea)}
.spec{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-bottom:1px solid var(--linea);font-size:13.5px}
.spec span:first-child{color:var(--ceniza)}
.spec span:last-child{font-family:"IBM Plex Mono",monospace;text-align:right}
.precio-grande{font-family:"Big Shoulders Display",sans-serif;font-weight:800;font-size:52px;line-height:1;font-variant-numeric:tabular-nums}
.iva{font-size:12px;color:var(--ceniza)}
.cta{display:flex;align-items:center;justify-content:center;gap:9px;background:var(--traccion);color:var(--basalto);font-weight:600;font-size:15px;padding:14px 18px;border-radius:var(--r);width:100%}
.cta:hover{background:var(--hueso)}
.cerrar{position:absolute;top:14px;right:16px;font-size:26px;line-height:1;color:var(--hueso);background:rgba(14,17,19,.6);width:36px;height:36px;border-radius:50%}
.cerrar:hover{background:var(--lava)}

/* ---------- pasos y pie ---------- */
.pasos{background:var(--basalto-2);border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);padding:56px 0}
.pasos h2{font-size:clamp(28px,4vw,40px);margin:0 0 28px}
.pasos-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.paso{display:flex;flex-direction:column;gap:8px}
.paso .n{font-family:"Big Shoulders Display",sans-serif;font-weight:800;font-size:40px;line-height:1;color:var(--traccion)}
.paso h3{font-family:"Big Shoulders Display",sans-serif;font-weight:700;text-transform:uppercase;font-size:20px;margin:0}
.paso p{margin:0;font-size:14.5px;color:var(--ceniza);line-height:1.5}
footer{padding:44px 0 56px}
.pie-grid{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start}
.pie-grid img{height:30px;margin-bottom:12px}
.legal{font-size:12.5px;color:var(--ceniza-2);max-width:62ch;line-height:1.6}
.marcador{background:rgba(217,59,24,.14);border:1px solid var(--lava);color:#FF9776;font-family:"IBM Plex Mono",monospace;font-size:11px;padding:2px 6px;border-radius:var(--r)}

@media (max-width:860px){
  .ficha{grid-template-columns:1fr}
  .top nav{display:none}
  .filtros{top:68px}
}
@media (max-width:520px){
  .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .hero{padding:44px 0 34px}
  .card h3{font-size:17px}
  .precio{font-size:24px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

/* --- barra de filtros en teléfono: una sola tira que se desliza --- */
@media (max-width:760px){
  .filtros{padding:10px 0}
  .filtros-in{flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;gap:16px;padding-bottom:2px;scrollbar-width:none}
  .filtros-in::-webkit-scrollbar{display:none}
  .filtros-in>*{flex:0 0 auto}
  .grupo{flex-wrap:nowrap}
  .conteo{order:-1;margin-left:0;padding-right:4px;border-right:1px solid var(--linea);align-self:center}
}
@media (max-width:520px){
  .card .pie{flex-direction:column;align-items:flex-start;gap:6px}
  .hero::after{opacity:.04}
}

/* --- tira de marca que trabajamos --- */
.marcas{display:flex;align-items:center;gap:16px;margin-top:30px;padding-top:22px;border-top:1px solid var(--linea)}
.marcas .eyebrow{white-space:nowrap}
.marcas img{flex:none;width:150px;height:auto;background:#fff;padding:10px 15px;border-radius:2px}
.pie-marca{margin-top:14px}
.pie-marca img{width:116px;height:auto;background:#fff;padding:8px 12px;border-radius:2px}
@media (max-width:520px){.marcas{flex-direction:column;align-items:flex-start;gap:10px}}