:root{--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--paper:#fff;--soft:#f8fafc;--orange:#f97316;--orange2:#ea580c;--dark:#0b1220;--green:#16a34a;--blue:#2563eb}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.wrap{width:min(1220px,92vw);margin:auto}
.topbar{background:#eef2f7;color:#334155;font-size:13px}.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:8px 0}.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:0 4px 16px rgba(15,23,42,.05)}.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:10px 0}.brand{display:flex;align-items:center;gap:12px}.brand img{height:64px;width:auto;object-fit:contain;background:#fff}.brand strong{font-size:17px}.brand small{display:block;color:var(--muted);font-weight:700;letter-spacing:.08em}.nav{display:flex;gap:17px;align-items:center;flex-wrap:wrap}.nav a{font-weight:700;font-size:14px}.nav a:hover{color:var(--orange)}.cta{background:var(--orange);color:#fff!important;padding:11px 16px;border-radius:10px}
.hero{background:linear-gradient(110deg,#fff 0%,#fff7ed 58%,#ffedd5 100%);padding:66px 0}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:44px}.eyebrow{color:var(--orange2);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:13px}.hero h1{font-size:clamp(40px,6vw,72px);line-height:1.02;margin:10px 0 16px}.hero p{font-size:19px;color:#475569;max-width:680px}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-block;padding:13px 18px;border-radius:11px;font-weight:800;border:1px solid transparent}.btn.primary{background:var(--dark);color:#fff}.btn.secondary{border-color:#cbd5e1;background:#fff}.btn.orange{background:var(--orange);color:#fff}.photo-card{border-radius:24px;overflow:hidden;box-shadow:0 24px 60px rgba(15,23,42,.16);background:#fff}.photo-card img{width:100%;height:430px;object-fit:cover}
.section{padding:64px 0}.section.soft{background:var(--soft)}.section.dark{background:var(--dark);color:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.section h2{font-size:34px;margin:0}.section-head p{max-width:700px;color:var(--muted);margin:0}.dark .section-head p{color:#cbd5e1}.grid{display:grid;gap:20px}.grid.cols2{grid-template-columns:repeat(2,1fr)}.grid.cols3{grid-template-columns:repeat(3,1fr)}.grid.cols4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 22px rgba(15,23,42,.04)}.product-card{display:flex;flex-direction:column}.product-media{height:250px;background:#fff;display:flex;align-items:center;justify-content:center;padding:18px;border-bottom:1px solid #eef2f7}.product-media img{width:100%;height:100%;object-fit:contain}.card-body{padding:19px}.card h3{margin:0 0 8px;font-size:21px;line-height:1.25}.card p{margin:0;color:var(--muted)}.tag{display:inline-block;padding:6px 9px;background:#fff7ed;color:#c2410c;border-radius:999px;font-size:12px;font-weight:800;margin-bottom:10px}.specs{list-style:none;padding:0;margin:13px 0 0}.specs li{padding:7px 0;border-top:1px solid #eef2f7;font-size:14px}.product-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.source-link{font-size:12px;color:#475569;text-decoration:underline}.quote-link{font-size:13px;font-weight:800;color:var(--orange2)}
.page-hero{padding:46px 0;background:#f8fafc;border-bottom:1px solid var(--line)}.page-hero h1{font-size:44px;margin:6px 0}.page-hero p{max-width:820px;color:#475569}.crumb{font-size:13px;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.split img{border-radius:20px;height:390px;object-fit:cover;width:100%}.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}.kpi{border:1px solid var(--line);padding:18px;border-radius:14px;background:#fff}.kpi b{display:block;font-size:26px}.contact{display:grid;grid-template-columns:1fr 1fr;gap:30px}.contact-card{padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}.feature{padding:24px;border:1px solid #1e293b;background:#111827;border-radius:18px}.feature p{color:#cbd5e1}.banner{background:linear-gradient(120deg,#111827,#1f2937);color:#fff;border-radius:24px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:24px}.banner img{height:70px;background:#fff;border-radius:10px;padding:7px}.pillrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.pill{background:#eef2ff;padding:7px 10px;border-radius:999px;font-size:13px;font-weight:700}.notice{background:#fff7ed;border-left:4px solid var(--orange);padding:14px 16px;border-radius:8px;color:#7c2d12}.verified{display:inline-flex;align-items:center;gap:6px;background:#ecfdf5;color:#166534;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:800;margin-bottom:10px}.service-icon{font-size:32px}
.footer{background:#0b1220;color:#dbe4f0;padding:44px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.footer h4{color:#fff;margin-top:0}.footer a{display:block;color:#cbd5e1;margin:8px 0}.footer .brand img{background:#fff;border-radius:10px;padding:7px;height:58px}.copy{margin-top:28px;padding-top:18px;border-top:1px solid #1f2937;color:#94a3b8;font-size:13px}.menu-toggle{display:none}
@media(max-width:900px){.hero-grid,.split,.contact{grid-template-columns:1fr}.grid.cols4,.grid.cols3{grid-template-columns:repeat(2,1fr)}.nav{display:none}.menu-toggle{display:block;border:0;background:#f1f5f9;padding:10px 12px;border-radius:8px}.header.open .nav{display:flex;position:absolute;left:4vw;right:4vw;top:88px;background:#fff;padding:18px;border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 40px rgba(0,0,0,.1);flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr 1fr}.kpis{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid.cols4,.grid.cols3,.grid.cols2{grid-template-columns:1fr}.topbar .wrap{flex-direction:column}.brand img{height:52px}.hero{padding:42px 0}.photo-card img{height:300px}.footer-grid{grid-template-columns:1fr}.section{padding:48px 0}.page-hero h1{font-size:36px}.product-media{height:230px}}

/* v4 catalog upgrades */
.catalog-tools{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 24px}.catalog-tools input,.catalog-tools select{padding:12px 14px;border:1px solid #d8dce2;border-radius:10px;background:#fff;min-width:220px}.product-card{transition:transform .2s ease,box-shadow .2s ease}.product-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.08)}.product-media{background:#fff;display:flex;align-items:center;justify-content:center;min-height:250px;padding:14px;overflow:hidden}.product-media img{max-width:100%;height:225px;object-fit:contain}.model-code{font-size:.78rem;color:#6b7280;margin:2px 0 8px}.catalog-count{font-weight:700;margin:4px 0 18px}.image-note{font-size:.82rem;color:#596273;margin-top:8px}.brand-badge{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;padding:5px 9px;border-radius:999px;background:#f3f4f6;color:#111827;margin-bottom:8px}.header{background:#fff!important}.header .brand img{background:#fff;border-radius:8px;padding:4px}.verified{color:#147a45;font-size:.78rem;font-weight:700;margin:6px 0}.catalog-section-title{margin:38px 0 18px}.stock-note{background:#fff7ed;border:1px solid #fed7aa;padding:12px 14px;border-radius:10px;margin-top:18px}/* v5 product detail + quote system */
.quote-nav{display:inline-flex!important;align-items:center;gap:7px;border:1px solid #fed7aa;background:#fff7ed;color:#c2410c!important;padding:8px 11px;border-radius:10px}.quote-nav span{display:inline-grid;place-items:center;background:#f97316;color:#fff;min-width:22px;height:22px;padding:0 6px;border-radius:999px;font-size:12px}.product-actions .btn{padding:9px 12px;font-size:13px}.product-actions{align-items:center}.add-quote.added{background:#16a34a!important}.product-detail{padding:54px 0 72px;background:#f8fafc}.detail-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:start}.detail-media{background:#fff;border:1px solid var(--line);border-radius:22px;min-height:480px;padding:34px;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 40px rgba(15,23,42,.06)}.detail-media img{width:100%;max-height:520px;object-fit:contain}.detail-media .image-fallback{max-height:110px;width:auto}.detail-info h1{font-size:42px;line-height:1.08;margin:12px 0 8px}.detail-lead{color:#475569;font-size:17px}.detail-specs{list-style:none;padding:0;margin:24px 0;border-top:1px solid var(--line)}.detail-specs li{padding:13px 0;border-bottom:1px solid var(--line)}.detail-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.detail-note{background:#fff7ed;border:1px solid #fed7aa;padding:14px 16px;border-radius:12px;color:#7c2d12;font-size:14px}.source-box{display:inline-block;margin-top:18px;font-size:14px}.quote-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,.7fr);gap:32px;align-items:start}.quote-items{display:grid;gap:14px}.quote-row{display:grid;grid-template-columns:110px minmax(0,1fr) auto auto;gap:18px;align-items:center;border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff}.quote-thumb{height:90px;display:flex;align-items:center;justify-content:center}.quote-thumb img{max-height:90px;max-width:100%;object-fit:contain}.quote-main h3{margin:4px 0;font-size:18px}.qty-control{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden}.qty-control button{border:0;background:#f8fafc;width:34px;height:34px;font-size:19px;cursor:pointer}.qty-control span{min-width:34px;text-align:center;font-weight:800}.remove-quote,.text-button{border:0;background:transparent;color:#b91c1c;text-decoration:underline;cursor:pointer}.quote-form-card{position:sticky;top:104px;border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff;box-shadow:0 10px 30px rgba(15,23,42,.05)}.quote-form-card h2{margin-top:0}.quote-form-card label{display:block;font-weight:700;font-size:13px;margin:14px 0}.quote-form-card input,.quote-form-card textarea{width:100%;margin-top:6px;padding:12px;border:1px solid #cbd5e1;border-radius:10px;font:inherit}.quote-form-card .btn{width:100%;margin-top:10px;text-align:center}.quote-form-card .text-button{width:100%;margin-top:12px}.form-note{font-size:12px;color:#64748b;margin-top:14px}
@media(max-width:900px){.detail-grid,.quote-layout{grid-template-columns:1fr}.quote-form-card{position:static}.detail-media{min-height:360px}.detail-info h1{font-size:34px}.quote-row{grid-template-columns:80px 1fr auto}.remove-quote{grid-column:2/4;text-align:left}}
@media(max-width:600px){.quote-row{grid-template-columns:70px 1fr}.qty-control,.remove-quote{grid-column:2}.detail-media{min-height:280px;padding:20px}}

/* v6 Sparrow PC Builder */
.builder-hero{background:linear-gradient(120deg,#f8fafc,#fff7ed)}
.builder-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(330px,.85fr);gap:32px;align-items:start}
.builder-panel{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.builder-step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}
.builder-step label{display:block;font-weight:900;margin-bottom:9px}
.builder-step select{width:100%;padding:12px 13px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;font:inherit}
.builder-step small{display:block;margin-top:8px;color:#64748b;line-height:1.4}
.builder-summary{position:sticky;top:104px;background:#0f172a;color:#fff;border-radius:20px;padding:24px;box-shadow:0 18px 45px rgba(15,23,42,.16)}
.builder-summary h3{font-size:25px;margin:14px 0 18px}.summary-line{display:grid;grid-template-columns:105px 1fr;gap:12px;padding:10px 0;border-top:1px solid #243047}.summary-line b{color:#fdba74}.summary-line span{color:#e2e8f0}.compat{display:inline-flex;padding:7px 11px;border-radius:999px;font-weight:900;font-size:13px}.compat.ok{background:#dcfce7;color:#166534}.compat.bad{background:#fee2e2;color:#991b1b}.builder-note{font-size:12px;color:#94a3b8;line-height:1.5}.builder-summary .btn{width:100%;text-align:center;margin-top:10px}.builder-summary .btn:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:900px){.builder-layout{grid-template-columns:1fr}.builder-summary{position:static}.builder-panel{grid-template-columns:1fr}}
/* v7 pricing + WhatsApp */
.summary-line span{display:flex;flex-direction:column;align-items:flex-end;gap:2px}
.summary-line span small{font-size:11px;color:#788390;font-weight:700}
.estimate-total{margin:18px 0 10px;padding:16px;border-radius:14px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:15px}
.estimate-total span{font-size:13px;color:#cbd5e1}.estimate-total strong{font-size:22px;color:#ff8a00;white-space:nowrap}
.stock-check{font-size:12px;font-weight:800;color:#6b7280;margin:8px 0 12px}.builder-note{line-height:1.55}
.quote-estimate{margin-top:7px;font-weight:800;color:#b45309;font-size:13px}
.quote-total{margin-top:18px;padding:18px 20px;background:#111827;color:#fff;border-radius:14px;display:grid;grid-template-columns:1fr auto;gap:4px 16px;align-items:center}
.quote-total strong{font-size:22px;color:#ff8a00}.quote-total small{grid-column:1/-1;color:#cbd5e1}
.btn.whatsapp{background:#16a34a;color:#fff;border-color:#16a34a}.btn.whatsapp:hover{filter:brightness(.95)}
.wa-float{position:fixed;right:18px;bottom:18px;z-index:90;background:#16a34a;color:#fff;text-decoration:none;font-weight:900;padding:12px 16px;border-radius:999px;box-shadow:0 8px 24px rgba(0,0,0,.22);font-size:13px}
.wa-float:hover{transform:translateY(-1px)}
@media(max-width:640px){.estimate-total{align-items:flex-start;flex-direction:column}.summary-line span{align-items:flex-start}.quote-total{grid-template-columns:1fr}.quote-total small{grid-column:auto}.wa-float{right:12px;bottom:12px}}