:root{
  --ink:#12181f;
  --paper:#faf9f6;
  --card:#fff;
  --line:#e2ded2;
  --muted:#686e73;
  --cyan:#00aeef;
  --magenta:#ec0868;
  --yellow:#e8a200;
  --green:#25d366;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--paper)}
a{color:inherit;text-decoration:none}
.site-header,.site-footer{max-width:1180px;margin:0 auto;padding:18px clamp(16px,4vw,32px);display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-weight:900;font-size:18px}
.nav{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;font-weight:800;color:var(--muted)}
.nav a,.site-footer a{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px}
main{max-width:1180px;margin:0 auto;padding:24px clamp(16px,4vw,32px) 64px}
.hero,.category-hero{max-width:820px;margin:20px 0 28px}
.eyebrow,.card-kicker{margin:0 0 10px;font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
h1{margin:0 0 14px;font-size:clamp(34px,5vw,62px);line-height:1.02;letter-spacing:0}
h2{margin:0 0 8px;font-size:20px;line-height:1.2}
p{line-height:1.55}
.hero p,.category-hero p,.product-detail p{font-size:17px;color:var(--muted);max-width:680px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 24px}
.steps div,.category-card,.product-card,.info-grid article{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px}
.steps span{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:#fff;font-weight:900;margin-bottom:10px}
.steps strong{display:block;margin-bottom:4px}
.steps p{font-size:13px;color:var(--muted);margin:0}
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.category-card{min-height:210px;display:flex;flex-direction:column}
.category-card p{color:var(--muted);font-size:14px}
.category-card strong{margin-top:auto;color:var(--magenta)}
.back-link{display:inline-block;margin-bottom:18px;color:var(--muted);font-weight:900;font-size:13px}
.category-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 16px}
.category-tools label{width:min(100%,520px);display:grid;gap:6px;font-size:12px;font-weight:900;text-transform:uppercase;color:var(--muted)}
.category-tools input{width:100%;border:1px solid var(--line);background:#fff;border-radius:8px;padding:12px 14px;font:inherit;text-transform:none;color:var(--ink)}
.category-tools span{font-size:12px;font-weight:900;color:var(--muted);text-transform:uppercase}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.product-grid.compact{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.product-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.product-image{aspect-ratio:4/3;background:linear-gradient(135deg,#eef9fc,#fff7df);display:grid;place-items:center;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}
.product-body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}
.product-body h2{font-size:17px}
.spec{margin:0;color:var(--muted);font-size:13px}
.meta{display:flex;flex-wrap:wrap;gap:6px}
.meta span{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:4px 7px;font-size:11px;font-weight:800;color:var(--muted)}
.product-foot{margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);display:grid;gap:10px}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:9px 13px;font-size:12px;font-weight:900}
.btn.dark{background:var(--ink);color:#fff}
.btn.wa{background:var(--green);color:#fff}
.actions.big .btn{font-size:14px;padding:12px 18px}
.product-detail{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;margin:20px 0 30px}
.detail-image{min-height:370px;background:#fff;border:1px solid var(--line);border-radius:8px;display:grid;place-items:center;background-image:linear-gradient(135deg,#eef9fc,#fff7df);color:var(--muted);font-weight:900;text-transform:uppercase;font-size:12px;letter-spacing:.06em}
.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}
.summary div{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px}
.summary span{display:block;font-size:11px;font-weight:900;text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.summary strong{font-size:15px}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:28px}
li{margin-bottom:8px;color:var(--muted);line-height:1.45}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:0 0 12px}
.section-head a{font-weight:900;color:var(--magenta)}
.site-footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.hidden{display:none!important}
@media(max-width:760px){
  .site-header,.site-footer{align-items:flex-start;flex-direction:column}
  main{padding-top:12px}
  .steps,.product-detail,.summary,.info-grid{grid-template-columns:1fr}
  .category-tools{align-items:flex-start;flex-direction:column}
  .detail-image{min-height:240px}
}