.shero{padding:230px 0 120px;min-height:86svh;display:flex;align-items:flex-end}.shero .bg{animation:kb 22s ease-in-out infinite alternate}
.shero h1{max-width:16ch}.crumb{display:flex;gap:10px;font-size:13px;color:var(--muted);margin-bottom:26px}.crumb a{text-decoration:none}.crumb a:hover{color:#fff}.crumb b{color:#fff;font-weight:600}
.sfind{margin-top:36px;display:grid;grid-template-columns:1fr 110px auto;gap:10px;max-width:720px;background:rgba(8,26,48,.72);border:1px solid rgba(156,196,234,.22);border-radius:16px;padding:12px;backdrop-filter:blur(12px)}
@media (max-width:640px){.sfind{grid-template-columns:1fr 90px}.sfind .btn{grid-column:1/-1;justify-content:center}}
.sgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.scard{border:1px solid var(--line);border-radius:18px;padding:26px;background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .3s,background .3s}
.scard:hover{transform:translateY(-6px);border-color:rgba(156,196,234,.45);background:rgba(79,143,203,.08)}
.scard .ic{width:48px;height:48px;border-radius:12px;background:rgba(79,143,203,.14);color:var(--sky);display:grid;place-items:center;margin-bottom:18px;transition:transform .4s}.scard:hover .ic{transform:rotate(-8deg) scale(1.08)}.scard .ic svg{width:24px;height:24px}
.scard h3{font-size:19px;font-weight:800;margin-bottom:8px}.scard p{margin:0;color:var(--muted);font-size:14.5px}
@media (max-width:1000px){.sgrid{grid-template-columns:1fr 1fr}}@media (max-width:560px){.sgrid{grid-template-columns:1fr}}
.split2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}.split2 h2{font-size:clamp(32px,4vw,52px);font-weight:800;margin:16px 0 28px}
.who{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.who li{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid #dfe7f0;border-radius:12px;padding:14px 16px;font-weight:600;color:#0D1B2A;font-size:15px}.who svg{width:18px;height:18px;color:var(--blue);flex:none}
.howcol{display:grid;gap:14px}.hcard{display:grid;grid-template-columns:52px 1fr;gap:18px;background:#fff;border:1px solid #dfe7f0;border-radius:18px;padding:24px;transition:transform .4s,box-shadow .4s}.hcard:hover{transform:translateX(6px);box-shadow:0 18px 40px rgba(0,41,74,.1)}
.hcard .ic{width:52px;height:52px;border-radius:14px;background:#e3eefa;color:var(--navy);display:grid;place-items:center}.hcard .ic svg{width:26px;height:26px}.hcard h3{font-size:20px;font-weight:800;color:#0D1B2A;margin-bottom:6px}.hcard p{margin:0;color:#4d5f73;font-size:15px}
@media (max-width:900px){.split2{grid-template-columns:1fr;gap:40px}.who{grid-template-columns:1fr}}
.others{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.ocard{position:relative;height:300px;border-radius:20px;overflow:hidden;text-decoration:none;display:flex;flex-direction:column;justify-content:flex-end;padding:26px;isolation:isolate;border:1px solid var(--line)}
.ocard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;filter:saturate(.7) brightness(.7);transition:transform 1.2s cubic-bezier(.2,.8,.2,1),filter .5s}.ocard::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(4,10,19,.95),rgba(4,10,19,.1) 70%)}
.ocard:hover img{transform:scale(1.07);filter:saturate(1) brightness(.85)}.ocard .num{font:600 12px var(--f-b);letter-spacing:.2em;color:var(--sky)}.ocard b{font:800 30px/1.1 var(--f-h);margin:6px 0 10px}.ocard .go{font-weight:600;font-size:14px;color:#cfe0f1}
@media (max-width:860px){.others{grid-template-columns:1fr}.ocard{height:200px}}

.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.pgrid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.pcard{display:flex;flex-direction:column;border-radius:18px;overflow:hidden;background:#fff;border:1px solid #dfe7f0;text-decoration:none;color:#0D1B2A;transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s}
.pcard:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(0,41,74,.14)}
.pimg{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,#00294A,#0b3f6e 55%,#1c5285) center/cover no-repeat;overflow:hidden;display:flex;align-items:flex-end;padding:14px 16px}
.pimg::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:28px 28px}
.pimg.has::before{background:linear-gradient(0deg,rgba(4,10,19,.55),transparent 55%)}
.pwm{position:relative;max-width:100%;font:600 clamp(24px,2.5vw,34px)/1 'Barlow Condensed',var(--f-h);letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.92)}
.pgrid.two .pimg{aspect-ratio:16/8}.pgrid.two .pwm{font-size:clamp(30px,3.6vw,50px)}
.pbody{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px}
.ptype{font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#4F8FCB}
.pbody b{font:800 21px/1.15 var(--f-h)}.pd{font-size:14.5px;color:#4d5f73}
.pgo{display:inline-flex;align-items:center;gap:6px;margin-top:6px;font-weight:600;font-size:14px;color:var(--navy)}.pgo svg{width:15px;height:15px;transition:transform .25s}.pcard:hover .pgo svg{transform:translateX(3px)}
.fleet-chips{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 0}.fleet-chips span{font:600 12.5px/1 var(--f-b);letter-spacing:.06em;padding:9px 13px;border-radius:999px;border:1px solid rgba(156,196,234,.4);background:rgba(8,26,48,.55);color:#fff;backdrop-filter:blur(8px)}
@media (max-width:700px){.pgrid.two{grid-template-columns:1fr}}
.fleet-h{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin:44px 0 18px;padding-bottom:14px;border-bottom:2px solid #d6e2ee}
.sh+.fleet-h{margin-top:8px}
.fleet-h .fh-k{font:600 12px/1 ui-monospace,Menlo,monospace;letter-spacing:.2em;color:#4F8FCB}
.fleet-h h3{margin:0;font:800 clamp(24px,2.6vw,32px)/1.1 var(--f-h);color:#00294A}
.fleet-h p{margin:0;color:#4d5f73;font-size:15px}
.pgrid.fleet{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.pgrid.fleet .pwm{font-size:clamp(28px,2.8vw,40px)}
.pimg .since{position:absolute;top:12px;right:12px;font:600 10.5px/1 var(--f-b);letter-spacing:.12em;text-transform:uppercase;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(156,196,234,.45);color:#fff;backdrop-filter:blur(6px)}

/* ===== industrial filtration panel ===== */
.sec .filt{position:relative;overflow:hidden;border-radius:28px;padding:64px;background:linear-gradient(120deg,#00294A,#0b3f6e 60%,#1c5285);color:#fff;isolation:isolate}
.sec .filt::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px}
.sec .filt .eyebrow{color:#9CC4EA}
.sec .filt h2{color:#fff;font-size:clamp(32px,4.4vw,56px);font-weight:800;max-width:17ch;margin:14px 0 16px}
.sec .filt .lead{color:#cfe0f1;max-width:680px;font-size:18px;margin:0}
.fstats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(156,196,234,.25);border-radius:14px;overflow:hidden;margin:36px 0 40px}
.fstats div{background:rgba(4,14,28,.5);padding:22px 22px 24px}
.fstats b{display:block;font:600 clamp(34px,3.6vw,48px)/1 'Barlow Condensed',var(--f-h);color:#fff}
.fstats span{display:block;margin-top:10px;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:#9CC4EA;font-weight:600}
.fx{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.sec .filt .fl{display:block;font:600 11.5px/1 ui-monospace,Menlo,monospace;letter-spacing:.18em;text-transform:uppercase;color:#9CC4EA}
.ffind{display:grid;grid-template-columns:1fr 96px auto;gap:10px;margin-top:14px}
.ffind input{font:500 16px var(--f-b);padding:15px 16px;border-radius:12px;border:1px solid rgba(156,196,234,.45);background:rgba(255,255,255,.08);color:#fff;min-width:0}
.ffind input::placeholder{color:rgba(255,255,255,.55)}
.sec .filt .fnote{margin:10px 0 0;color:#cfe0f1;font-size:14px}
.ftypes{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.ftypes span{font:600 13px/1 var(--f-b);padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(156,196,234,.35);color:#fff}
.sec .filt .fbrands{margin:20px 0 0;color:#cfe0f1;font-size:14.5px}
.facc{display:grid;gap:12px}
.facc>div{background:rgba(255,255,255,.06);border:1px solid rgba(156,196,234,.3);border-radius:16px;padding:20px 22px}
.sec .filt .facc h3{margin:10px 0 6px;font:700 19px/1.25 var(--f-h);color:#fff}
.sec .filt .facc p{margin:0;color:#cfe0f1;font-size:15px}
@media (max-width:900px){.fx{grid-template-columns:1fr}.fstats{grid-template-columns:1fr 1fr}.sec .filt{padding:40px 22px}.ffind{grid-template-columns:1fr 90px}.ffind button{grid-column:1/-1}}
/* ===== engineering BOM ===== */
.bom{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.bom h2{color:#0D1B2A;font-size:clamp(32px,4vw,52px);font-weight:800;margin:16px 0 18px}
.bsteps{list-style:none;padding:0;margin:26px 0 30px;display:grid;gap:16px}
.bsteps li{display:flex;gap:16px;align-items:flex-start}
.bsteps i{font:600 13px/1.6 ui-monospace,Menlo,monospace;color:#4F8FCB;font-style:normal;min-width:26px}
.bsteps b{display:block;font:700 18px/1.3 var(--f-h);color:#0D1B2A}
.bsteps span{color:#4d5f73;font-size:15px}
.bomc{background:#fff;border:1px solid #d6e2ee;border-radius:20px;box-shadow:0 30px 60px rgba(0,41,74,.12);overflow:hidden;color:#0D1B2A}
.bomc .bh{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #e3ebf3;font-weight:700}
.bomc .bh span{color:#4d5f73;font-weight:600;font-size:13px}
.bomc .br{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:center;padding:12px 20px;border-bottom:1px solid #eef3f8;font-size:14px}
.br .n{font:600 12px ui-monospace,Menlo,monospace;color:#9db4cb}
.br code{font:700 13.5px ui-monospace,Menlo,monospace;display:block}
.br small{color:#4d5f73}
.br .tag{font:600 11px/1 var(--f-b);padding:6px 9px;border-radius:999px;white-space:nowrap}
.tag.q{background:#e6f4ec;color:#1e7a4c}.tag.a{background:#fff4e0;color:#a35f00}.tag.d{background:#e8f1fb;color:#00294A}
.bomc .bf{display:flex;justify-content:space-between;padding:14px 20px;background:#00294A;color:#fff;font-weight:600;font-size:14px}
@media (max-width:900px){.bom{grid-template-columns:1fr;gap:36px}}