:root{
  --primary:#0F172A; --secondary:#334155; --accent:#0369A1; --accent-hover:#075985;
  --sky:#38bdf8; --bg:#F8FAFC; --fg:#020617; --muted:#E8ECF1; --border:#E2E8F0;
  --white:#FFFFFF; --whatsapp:#25D366; --radius:10px; --maxw:1160px;
  --space:clamp(64px,9vw,116px);
  --font-body:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  --font-display:'Archivo','IBM Plex Sans',-apple-system,BlinkMacSystemFont,Arial,sans-serif;
  --font-mono:'IBM Plex Mono',Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--fg);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.spec b,.mcard .u,.brand .wm b{font-family:var(--font-display)}
.sku,.cat-sku,.sku-badge,.mcard .sku,.spec-table td:first-child{font-family:var(--font-mono)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Logo */
.brand-img{height:40px;width:auto;display:block}
.foot-brand .brand-img{height:50px}
@media(max-width:480px){.brand-img{height:36px}}
.brand{display:flex;align-items:center;gap:11px}
.brand svg{width:34px;height:34px;flex:none}
.brand .wm{display:flex;flex-direction:column;line-height:1}
.brand .wm b{color:var(--white);font-weight:700;font-size:18px;letter-spacing:-.4px}
.brand .wm small{font-size:8.5px;letter-spacing:1.4px;color:#94a3b8;margin-top:3px}
@media(max-width:480px){.brand .wm small{display:none}}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:500;font-size:16px;line-height:1;padding:14px 24px;border-radius:var(--radius);cursor:pointer;border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,transform .2s;min-height:48px}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--accent);color:var(--white)}
.btn-primary:hover{background:var(--accent-hover)}
.btn-wa{background:var(--whatsapp);color:#04361a}
.btn-wa:hover{background:#1eb658}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-outline{background:transparent;color:var(--accent);border-color:var(--accent)}
.btn-outline:hover{background:var(--accent);color:#fff}
.btn:focus-visible,a:focus-visible{outline:3px solid var(--sky);outline-offset:2px;border-radius:6px}

/* Header */
header{position:sticky;top:0;z-index:50;background:#0F172A;border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:#cbd5e1;font-size:15px;transition:color .15s}
.nav-links a:hover{color:var(--white)}
.nav .btn{padding:10px 18px;min-height:40px;font-size:14px}
.nav-desktop{display:flex;align-items:center;gap:28px}
@media(max-width:860px){.nav-links{display:none}}

/* Hero */
.hero{background:#0F172A;color:var(--white);padding:clamp(72px,11vw,140px) 0 clamp(72px,11vw,132px);position:relative;overflow:hidden}
.hero .bg{position:absolute;inset:0;z-index:0;background-color:#0b1220;background-image:linear-gradient(100deg,rgba(8,12,22,.96) 0%,rgba(8,12,22,.82) 38%,rgba(8,12,22,.5) 70%,rgba(8,12,22,.35) 100%),url('products/hero-datacenter.jpg');background-size:cover;background-position:center right}
.hero .bg:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,18,32,.2),rgba(11,18,32,.55))}
.hero:before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.hero-content{position:relative;z-index:2;max-width:640px}
@media(max-width:860px){.hero .bg{background-position:center}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(56,189,248,.12);color:#7dd3fc;border:1px solid rgba(56,189,248,.25);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:500;margin-bottom:22px}
.eyebrow span{width:7px;height:7px;border-radius:50%;background:var(--sky)}
h1{font-size:clamp(32px,5.4vw,54px);line-height:1.08;letter-spacing:-1px;font-weight:700;margin-bottom:18px}
h1 em{font-style:normal;color:var(--sky)}
.hero p.lead{font-size:clamp(16px,2.2vw,19px);color:#cbd5e1;max-width:560px;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.trust-row{display:flex;flex-wrap:wrap;gap:18px 28px;color:#94a3b8;font-size:14px}
.trust-row div{display:flex;align-items:center;gap:8px}
.trust-row svg{width:18px;height:18px;color:var(--sky);flex:none}
.hero-img{background:linear-gradient(160deg,#fff,#eef4f9);border-radius:18px;padding:18px;box-shadow:0 30px 60px -25px rgba(0,0,0,.6);border:1px solid rgba(255,255,255,.1)}
.hero-img img{border-radius:10px;width:100%}
.hero-img .cap{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding:0 4px}
.hero-img .cap b{color:var(--primary);font-size:15px}
.hero-img .cap span{font-size:12px;font-weight:700;color:var(--accent);background:#e0f2fe;padding:4px 10px;border-radius:6px}

/* Page header (product detail) */
.pagehead{background:radial-gradient(900px 400px at 90% -20%,rgba(3,105,161,.4),transparent 60%),linear-gradient(180deg,#0F172A,#111c33);color:#fff;padding:clamp(40px,6vw,76px) 0;position:relative;overflow:hidden}
.pagehead-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 330px;gap:44px;align-items:center}
@media(max-width:820px){.pagehead-grid{grid-template-columns:1fr;gap:30px}}
.breadcrumb{font-size:13px;color:#94a3b8;margin-bottom:16px}
.breadcrumb a{color:#7dd3fc}
.breadcrumb a:hover{color:#fff}
.pagehead h1{font-size:clamp(28px,4.6vw,44px);margin-bottom:0}
.pagehead .sku-badge{display:inline-block;margin-top:14px;font-family:var(--font-mono);font-size:13px;font-weight:700;color:#7dd3fc;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.25);padding:6px 12px;border-radius:8px}
.pagehead .lead{color:#cbd5e1;max-width:620px;margin-top:18px;font-size:16.5px}
.pagehead .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.pagehead .chips span{font-size:12.5px;color:#cbd5e1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);padding:6px 13px;border-radius:999px}
.pagehead .ph{background:#0b1220;border-radius:16px;padding:0;overflow:hidden;box-shadow:0 24px 50px -24px rgba(0,0,0,.6);border:1px solid rgba(255,255,255,.08)}
.pagehead .ph img{border-radius:16px;width:100%;aspect-ratio:4/3;object-fit:cover;display:block}

/* Spec strip */
.specstrip{background:var(--primary);border-top:1px solid rgba(255,255,255,.08)}
.specstrip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:36px 24px}
@media(max-width:720px){.specstrip .wrap{grid-template-columns:repeat(2,1fr)}}
.spec{display:flex;flex-direction:column;gap:4px}
.spec b{color:var(--sky);font-size:clamp(22px,3.4vw,30px);font-weight:900;line-height:1}
.spec span{color:#94a3b8;font-size:13px}

/* Sections */
section{padding:var(--space) 0}
.sec-head{max-width:660px;margin-bottom:52px}
.sec-head.center{margin:0 auto 52px;text-align:center}
.kicker{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px}
h2{font-size:clamp(27px,3.8vw,40px);line-height:1.15;letter-spacing:-.5px;color:var(--primary);margin-bottom:16px}
.sec-head p{font-size:17px;color:var(--secondary)}

/* Category cards (home) */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.card{background:var(--white);border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 44px -22px rgba(15,23,42,.4);border-color:#cbd5e1}
.card .ph{aspect-ratio:4/3;background:#0b1220;display:flex;align-items:center;justify-content:center;overflow:hidden;border-bottom:1px solid var(--border)}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card:hover .ph img{transform:scale(1.04)}
.card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:19px;color:var(--primary);margin-bottom:8px;font-weight:700}
.card p{font-size:14.5px;color:var(--secondary);margin-bottom:16px;flex:1}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.card .tag{font-size:12px;font-weight:700;color:var(--accent);background:#e0f2fe;padding:4px 10px;border-radius:6px}
.card .more{margin-top:auto;display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-weight:700;font-size:14.5px}
.card .more svg{width:16px;height:16px;transition:transform .2s}
.card:hover .more svg{transform:translateX(4px)}

/* Model cards (detail pages) */
.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(262px,1fr));gap:20px}
.mcard{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.mcard:hover{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(15,23,42,.4);border-color:#cbd5e1}
.mcard .top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.mcard .u{font-size:34px;font-weight:900;color:var(--accent);line-height:.95}
.mcard .u small{display:block;font-size:12px;font-weight:500;color:#64748b;letter-spacing:.5px;text-transform:uppercase}
.mcard .sku{font-family:var(--font-mono);font-size:11.5px;font-weight:700;color:var(--primary);background:var(--muted);padding:5px 9px;border-radius:6px;white-space:nowrap}
.mcard .rows{display:flex;flex-direction:column;gap:9px;margin-bottom:18px;flex:1}
.mcard .row{display:flex;justify-content:space-between;gap:12px;font-size:14px;border-bottom:1px dashed #eef1f5;padding-bottom:9px}
.mcard .row:last-child{border-bottom:none;padding-bottom:0}
.mcard .row span{color:#64748b}
.mcard .row b{color:var(--primary);font-weight:500;text-align:right}
.mcard .btn{width:100%;justify-content:center;font-size:14px;padding:11px 14px;min-height:44px}

/* Why band */
.why{background:var(--primary);color:var(--white)}
.why h2{color:var(--white)}.why .sec-head p{color:#cbd5e1}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:36px}
.why-item{display:flex;gap:16px}
.why-item .n{width:44px;height:44px;flex:none;border-radius:10px;background:rgba(56,189,248,.14);color:#7dd3fc;display:flex;align-items:center;justify-content:center}
.why-item .n svg{width:22px;height:22px}
.why-item h4{font-size:17px;margin-bottom:6px}
.why-item p{font-size:14px;color:#94a3b8}

/* CTA band */
.ctaband{background:var(--primary);color:#fff;text-align:center}
.ctaband h2{color:#fff}
.ctaband p{color:#cbd5e1;max-width:540px;margin:0 auto 26px;font-size:17px}
.ctaband .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr;gap:40px}}
.contact-info>p{color:var(--secondary);font-size:17px;margin-bottom:30px}
.contact-line{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px solid var(--border)}
.contact-line .ci{width:44px;height:44px;flex:none;border-radius:10px;background:var(--muted);color:var(--accent);display:flex;align-items:center;justify-content:center}
.contact-line .ci svg{width:20px;height:20px}
.contact-line .lbl{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:#64748b;font-weight:500}
.contact-line .val{font-size:15.5px;color:var(--primary);font-weight:500}
form{background:var(--white);border:1px solid var(--border);border-radius:16px;padding:32px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:500;color:var(--primary);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:13px 14px;font-size:15px;font-family:inherit;color:var(--fg);border:1px solid var(--border);border-radius:9px;background:#fff;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(3,105,161,.15)}
.field textarea{resize:vertical;min-height:104px}
form .btn{width:100%;justify-content:center;margin-top:4px}
.form-note{font-size:13px;color:#64748b;text-align:center;margin-top:14px}

/* Footer */
footer{background:#0b1220;color:#94a3b8;padding:56px 0 36px}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px;margin-bottom:38px}
.foot-brand{max-width:340px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{font-size:14px;color:#94a3b8}
.foot-cols{display:flex;gap:56px;flex-wrap:wrap}
.foot-col h5{color:#e2e8f0;font-size:14px;margin-bottom:14px;text-transform:uppercase;letter-spacing:.5px}
.foot-col a{display:block;font-size:14px;margin-bottom:10px;color:#94a3b8;transition:color .15s}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;font-size:13px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}

/* FAB */
.fab{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--whatsapp);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 25px -6px rgba(37,211,102,.6);transition:transform .2s}
.fab:hover{transform:scale(1.08)}
.fab svg{width:30px;height:30px;color:#fff}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* ===== AUDIT ADDITIONS ===== */
/* Trust band */
.trustband{background:var(--white);border-bottom:1px solid var(--border)}
.trustband .wrap{display:flex;flex-wrap:wrap;gap:16px 40px;justify-content:center;align-items:center;padding:20px 24px}
.trustband .ti{display:flex;align-items:center;gap:10px;color:var(--secondary);font-size:14px;font-weight:500}
.trustband .ti svg{width:20px;height:20px;color:var(--accent);flex:none}

/* FAQ */
.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:12px;background:#fff;overflow:hidden;transition:border-color .2s}
.faq-item[open]{border-color:#cbd5e1}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 22px;font-weight:600;font-family:var(--font-display);color:var(--primary);font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";font-size:24px;line-height:1;color:var(--accent);font-weight:400;transition:transform .2s;flex:none}
.faq-item[open] summary:after{transform:rotate(45deg)}
.faq-item .fa{padding:0 22px 20px;color:var(--secondary);font-size:15px;line-height:1.7}

/* Delivery/warranty note on detail pages */
.dwrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.dwrow .dw{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--secondary);background:var(--muted);border:1px solid var(--border);padding:8px 14px;border-radius:10px}
.dwrow .dw svg{width:17px;height:17px;color:var(--accent);flex:none}

/* Mobile nav */
.hamb{display:none;background:none;border:none;cursor:pointer;padding:8px;color:#fff;margin:-8px -8px -8px 0}
.hamb svg{width:26px;height:26px;display:block}
.mnav-toggle{display:none}
.mobile-menu{display:none;position:fixed;left:0;right:0;top:70px;bottom:0;z-index:49;background:#0F172A;padding:20px 24px 40px;flex-direction:column;gap:2px;overflow-y:auto}
.mobile-menu a{color:#e2e8f0;font-size:18px;font-weight:500;padding:16px 6px;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-menu a:hover{color:#fff}
.mobile-menu .btn{margin-top:20px;justify-content:center}
.mnav-toggle:checked ~ .mobile-menu{display:flex}
@media(max-width:860px){.hamb{display:block}.nav-desktop{display:none}}

/* Form banner */
.form-banner{padding:14px 16px;border-radius:10px;font-size:14.5px;margin-bottom:18px;font-weight:500}
.form-banner.ok{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.form-banner.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}

/* ===== MOTION (Framer-feel, vanilla) ===== */
@media (prefers-reduced-motion: no-preference){
  html.motion .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
  html.motion .reveal.reveal-in{opacity:1;transform:none}
  html.motion .reveal-group>*{opacity:0;transform:translateY(26px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1)}
  html.motion .reveal-group.reveal-in>*{opacity:1;transform:none}
  html.motion .reveal-group.reveal-in>*:nth-child(1){transition-delay:.04s}
  html.motion .reveal-group.reveal-in>*:nth-child(2){transition-delay:.10s}
  html.motion .reveal-group.reveal-in>*:nth-child(3){transition-delay:.16s}
  html.motion .reveal-group.reveal-in>*:nth-child(4){transition-delay:.22s}
  html.motion .reveal-group.reveal-in>*:nth-child(5){transition-delay:.28s}
  html.motion .reveal-group.reveal-in>*:nth-child(6){transition-delay:.34s}
  html.motion .reveal-group.reveal-in>*:nth-child(7){transition-delay:.40s}
  html.motion .reveal-group.reveal-in>*:nth-child(n+8){transition-delay:.46s}
}

/* ===== RFQ / form CRO ===== */
.form-value{display:flex;flex-wrap:wrap;gap:8px 16px;margin-bottom:18px}
.form-value span{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:500;color:var(--primary)}
.form-value svg{width:16px;height:16px;color:var(--whatsapp);flex:none}
.form-privacy{display:flex;align-items:center;gap:8px;font-size:13px;color:#64748b;margin-top:14px;justify-content:center}
.form-privacy svg{width:15px;height:15px;flex:none}
.btn[disabled]{opacity:.7;cursor:progress}
.spin{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.field .warn{font-size:12.5px;color:#b45309;margin-top:6px;display:none}
.field.has-warn .warn{display:block}