:root{
 --bg:#0b1220; --bg2:#0f1a2b; --panel:#141f33; --panel2:#1a2740;
 --line:rgba(255,255,255,.10); --line2:rgba(255,255,255,.18);
 --ink:#e8eef7; --mut:#93a4bd; --accent:#e8712b; --accent2:#ff8b3d;
 --ok:#25d366; --mono:'Consolas','SFMono-Regular',Menlo,monospace;
 --container:1240px; --r:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--bg);color:var(--ink);line-height:1.6;
 font-family:'Segoe UI',system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--container);margin:0 auto;padding:0 24px}

/* header */
.hd{position:sticky;top:0;z-index:80;background:rgba(11,18,32,.92);
 backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.lg{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em}
.lg .badge{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--accent),var(--accent2));color:#0b1220;
 font-size:1rem;font-weight:900}
.lg small{display:block;font-size:.66rem;font-weight:600;letter-spacing:.14em;
 text-transform:uppercase;color:var(--mut)}
.hd-nav{display:flex;align-items:center;gap:8px}
.ghost{border:1px solid var(--line2);border-radius:10px;padding:8px 15px;font-size:.84rem;
 font-weight:600;color:var(--mut);transition:.25s}
.ghost:hover{color:#fff;border-color:var(--accent)}
.wa{display:inline-flex;align-items:center;gap:8px;background:var(--ok);color:#04140a;
 font-weight:800;font-size:.85rem;padding:10px 18px;border-radius:10px;transition:.25s}
.wa:hover{filter:brightness(1.08);transform:translateY(-1px)}
@media(max-width:720px){.hd-nav .ghost{display:none}}

/* hero */
.hero{position:relative;padding:70px 0 58px;overflow:hidden;
 background:radial-gradient(1100px 460px at 78% -12%,rgba(232,113,43,.18),transparent 62%),
            linear-gradient(180deg,#0d1729,#0b1220)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                  linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
 background-size:52px 52px;mask-image:linear-gradient(180deg,#000,transparent 78%)}
.hero .wrap{position:relative;z-index:1}
.tag{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(232,113,43,.45);
 background:rgba(232,113,43,.12);color:var(--accent2);font-size:.72rem;font-weight:800;
 letter-spacing:.16em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:20px}
h1{font-size:clamp(2rem,5vw,3.3rem);line-height:1.08;font-weight:900;letter-spacing:-.02em;margin-bottom:16px}
h1 em{font-style:normal;color:var(--accent)}
.lede{color:var(--mut);font-size:1.06rem;max-width:660px;line-height:1.72}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

/* lookup section */
.lk{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
 background:radial-gradient(900px 340px at 18% -30%,rgba(232,113,43,.13),transparent 66%),var(--bg2);
 padding:56px 0}
.lk-hd{max-width:790px;margin-bottom:32px}
.lk-hd .sub{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent2);
 font-weight:800;margin-bottom:10px}
.lk-hd h2{font-size:clamp(1.4rem,3vw,2.05rem);font-weight:900;letter-spacing:-.01em;
 line-height:1.2;margin-bottom:14px}
.lk-lede{color:var(--mut);font-size:.98rem;line-height:1.75;max-width:720px}
.lk-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(228px,1fr));gap:24px;
 padding:24px 26px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.03)}
.band-i{display:flex;gap:13px;align-items:flex-start}
.band-i .n{flex:0 0 30px;height:30px;border-radius:8px;display:grid;place-items:center;
 background:rgba(232,113,43,.15);color:var(--accent2);font-family:var(--mono);font-weight:800;font-size:.82rem}
.band-i h4{font-size:.92rem;font-weight:750;margin-bottom:3px;min-height:3.2em}
.band-i p{font-size:.83rem;color:var(--mut);line-height:1.55}
.lk-send{margin-top:30px}
.lk-send h4{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);
 font-weight:800;margin-bottom:12px}
.lk-send ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(226px,1fr));gap:12px}
.lk-send li{border:1px solid var(--line);border-radius:12px;background:var(--panel);
 padding:13px 16px;font-size:.87rem;display:flex;gap:10px;align-items:flex-start;line-height:1.5}
.lk-send li i{font-style:normal;color:var(--accent2);font-family:var(--mono);font-size:.78rem;
 font-weight:700;flex:0 0 auto;padding-top:1px}
.lk-scope{margin-top:20px;font-size:.83rem;color:var(--mut);border-left:2px solid var(--accent);
 padding-left:13px;line-height:1.6}

/* explain */
.explain{padding:58px 0 10px}
.ex-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:820px){.ex-grid{grid-template-columns:1fr}}
.ex{border:1px solid var(--line);border-radius:18px;padding:26px 26px 24px;
 background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015))}
.ex h3{font-size:1.12rem;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:9px}
.ex h3 i{font-style:normal;font-size:1.1rem}
.ex .sub{font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent2);
 font-weight:800;margin-bottom:11px}
.ex p{font-size:.9rem;color:var(--mut);line-height:1.72}
.ex ul{margin-top:11px;list-style:none;display:grid;gap:6px}
.ex li{font-size:.86rem;color:var(--ink);padding-left:17px;position:relative}
.ex li::before{content:"";position:absolute;left:0;top:.58em;width:6px;height:6px;border-radius:2px;
 background:var(--accent)}

/* section */
.sec{padding:52px 0 0}
.sec-hd{display:flex;align-items:center;gap:14px;margin-bottom:22px;
 padding-bottom:14px;border-bottom:1px solid var(--line)}
.sec-hd .ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--accent),var(--accent2));color:#0b1220;font-size:1.05rem;font-weight:900}
.sec-hd h2{font-size:1.22rem;font-weight:800;letter-spacing:.01em}
.sec-hd .ct{margin-left:auto;font-family:var(--mono);font-size:.76rem;color:var(--mut);
 border:1px solid var(--line);border-radius:999px;padding:4px 12px}

/* part grid */
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(228px,1fr));gap:16px}
.pc{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel);
 display:flex;flex-direction:column;transition:.28s}
.pc:hover{transform:translateY(-4px);border-color:rgba(232,113,43,.45);
 box-shadow:0 18px 40px rgba(0,0,0,.45)}
.pc .im{background:#eef2f6;aspect-ratio:4/3;overflow:hidden;cursor:zoom-in;position:relative}
.pc .im picture{display:block;width:100%;height:100%}
.pc .im img{width:100%;height:100%;object-fit:contain;padding:10px;transition:.4s}
.pc:hover .im img{transform:scale(1.05)}
.pc .im::after{content:"⌕";position:absolute;right:9px;bottom:9px;width:27px;height:27px;
 border-radius:7px;background:rgba(11,18,32,.72);color:#fff;display:grid;place-items:center;
 font-size:.95rem;opacity:0;transition:.25s}
.pc:hover .im::after{opacity:1}
.pc .bd{padding:13px 15px 15px;display:flex;flex-direction:column;gap:8px;flex:1}
.pc .nm{font-size:.9rem;font-weight:750;line-height:1.32;color:#fff}
.pc .oe{font-family:var(--mono);font-size:.76rem;color:var(--accent2);
 background:rgba(232,113,43,.1);border:1px solid rgba(232,113,43,.22);
 border-radius:7px;padding:3px 8px;align-self:flex-start;letter-spacing:.02em}
.pc .go{margin-top:auto;display:flex;align-items:center;justify-content:center;gap:7px;
 min-height:36px;border-radius:9px;font-size:.8rem;font-weight:800;
 background:rgba(37,211,102,.14);color:#4ade80;border:1px solid rgba(37,211,102,.3);transition:.25s}
.pc .go:hover{background:var(--ok);color:#04140a;border-color:var(--ok)}

/* company */
.co{margin-top:64px;border-top:1px solid var(--line);background:var(--bg2);padding:56px 0}
.co-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px}
@media(max-width:860px){.co-grid{grid-template-columns:1fr}}
.co h3{font-size:1.4rem;font-weight:900;margin-bottom:13px}
.co p{color:var(--mut);font-size:.92rem;line-height:1.78;margin-bottom:13px}
.co ul{list-style:none;display:grid;gap:8px;margin-top:6px}
.co li{padding:10px 14px 10px 36px;border-radius:11px;position:relative;font-size:.88rem;
 background:rgba(255,255,255,.04);border:1px solid var(--line)}
.co li::before{content:"";position:absolute;left:13px;top:50%;transform:translateY(-50%) rotate(45deg);
 width:5px;height:9px;border-right:2px solid var(--ok);border-bottom:2px solid var(--ok)}
.facts{display:grid;gap:12px;align-content:start}
.fact{border:1px solid var(--line);border-radius:13px;padding:14px 17px;background:var(--panel)}
.fact h5{font-size:.67rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);
 font-weight:800;margin-bottom:4px}
.fact p{font-size:.89rem;color:var(--ink);font-weight:650;margin:0}
.lic{margin-top:16px;border:1px solid rgba(232,113,43,.28);background:rgba(232,113,43,.08);
 border-radius:13px;padding:15px 17px}
.lic h5{font-size:.8rem;font-weight:800;color:var(--accent2);margin-bottom:4px}
.lic p{font-size:.78rem;color:var(--mut);margin:0;line-height:1.6}

/* cta */
.cta{margin-top:0;padding:64px 0;text-align:center;
 background:radial-gradient(800px 300px at 50% 0%,rgba(232,113,43,.16),transparent 70%),
            linear-gradient(180deg,var(--bg2),#0b1220)}
.cta h2{font-size:clamp(1.5rem,3.4vw,2.2rem);font-weight:900;margin-bottom:12px}
.cta p{color:var(--mut);max-width:560px;margin:0 auto 30px;font-size:.98rem}
.btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.btn-wa{display:inline-flex;align-items:center;gap:10px;background:var(--ok);color:#04140a;
 font-weight:800;padding:15px 28px;border-radius:13px;font-size:.98rem;transition:.25s}
.btn-wa:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-gh{border:1px solid var(--line2);border-radius:13px;padding:15px 26px;font-weight:700;
 font-size:.94rem;color:var(--mut);transition:.25s}
.btn-gh:hover{color:#fff;border-color:var(--accent)}

/* form */
.form-wrap{margin-top:0;background:var(--bg2);padding:56px 0;border-top:1px solid var(--line)}
.form-box{max-width:720px;margin:0 auto;border:1px solid var(--line);border-radius:18px;
 padding:32px;background:var(--panel)}
.form-box h3{font-size:1.32rem;font-weight:900;margin-bottom:6px}
.form-box>p{color:var(--mut);font-size:.9rem;margin-bottom:22px}
.fg{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.fg{grid-template-columns:1fr}}
.fl{display:flex;flex-direction:column;gap:5px}
.fl.full{grid-column:1/-1}
.fl label{font-size:.79rem;font-weight:700;color:var(--mut);letter-spacing:.02em}
.fl input,.fl textarea,.fl select{background:#0d1729;border:1px solid var(--line2);border-radius:10px;
 padding:11px 14px;color:var(--ink);font-size:.92rem;font-family:inherit;outline:none;transition:.2s}
.fl input:focus,.fl textarea:focus,.fl select:focus{border-color:var(--accent);
 box-shadow:0 0 0 3px rgba(232,113,43,.15)}
.fl textarea{resize:vertical;min-height:86px}
.fl button{grid-column:1/-1;margin-top:6px;min-height:52px;border:none;border-radius:12px;cursor:pointer;
 font-size:1rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));
 box-shadow:0 12px 30px rgba(232,113,43,.3);transition:.25s}
.fl button:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(232,113,43,.42)}
.fl button:disabled{opacity:.6;cursor:not-allowed;transform:none}
.msg{grid-column:1/-1;margin-top:12px;padding:12px 16px;border-radius:11px;font-size:.89rem;
 font-weight:700;display:none}
.msg.ok{background:rgba(37,211,102,.12);color:#4ade80;border:1px solid rgba(37,211,102,.3)}
.msg.er{background:rgba(220,38,38,.12);color:#f87171;border:1px solid rgba(220,38,38,.28)}

/* model cards (index) */
.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:20px}
.mc{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--panel);
 display:flex;flex-direction:column;transition:.3s}
.mc:hover{transform:translateY(-5px);border-color:rgba(232,113,43,.5);
 box-shadow:0 22px 48px rgba(0,0,0,.5)}
.mc .thumbs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--line)}
.mc .thumbs div{background:#eef2f6;aspect-ratio:1/1;overflow:hidden}
.mc .thumbs img{width:100%;height:100%;object-fit:contain;padding:6px}
.mc .bd{padding:20px 21px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.mc h3{font-size:1.2rem;font-weight:900}
.mc .mk{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent2);font-weight:800}
.mc p{font-size:.87rem;color:var(--mut);line-height:1.6}
.mc .row{display:flex;gap:7px;flex-wrap:wrap;margin-top:2px}
.chip{font-family:var(--mono);font-size:.78rem;border:1px solid var(--line2);border-radius:999px;
 padding:4px 12px;color:#b6c4d8}
.mc .enter{margin-top:auto;padding-top:14px}
.mc .enter a{display:flex;align-items:center;justify-content:space-between;gap:10px;
 border:1px solid var(--line2);border-radius:11px;padding:12px 16px;font-weight:800;font-size:.9rem;
 transition:.25s}
.mc .enter a:hover{background:var(--accent);color:#0b1220;border-color:var(--accent)}
.mc .enter span{font-family:var(--mono)}

/* lightbox */
.lb{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
 padding:26px;background:rgba(4,9,17,.9);backdrop-filter:blur(8px)}
.lb.on{display:flex}
.lb-c{width:min(100%,900px);background:var(--panel);border:1px solid var(--line2);
 border-radius:18px;overflow:hidden;box-shadow:0 40px 90px rgba(0,0,0,.7)}
.lb-im{background:#eef2f6;display:grid;place-items:center;max-height:64vh;overflow:hidden}
.lb-im img{max-height:64vh;width:auto;max-width:100%;object-fit:contain}
.lb-bd{padding:18px 22px 20px;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.lb-bd h4{font-size:1.05rem;font-weight:800}
.lb-bd .oe{font-family:var(--mono);font-size:.82rem;color:var(--accent2)}
.lb-bd .sp{margin-left:auto;display:flex;gap:10px;align-items:center}
.lb-x{position:absolute;top:20px;right:24px;width:42px;height:42px;border-radius:50%;
 border:1px solid var(--line2);background:rgba(255,255,255,.06);color:#fff;font-size:1.3rem;
 cursor:pointer;transition:.25s}
.lb-x:hover{background:var(--accent);border-color:var(--accent);transform:rotate(90deg)}

/* footer */
.ft{border-top:1px solid var(--line);padding:26px 0;background:#080e19;
 color:var(--mut);font-size:.81rem;text-align:center}
.ft a{color:#c3d0e2}

/* subnav */
.subnav{position:sticky;top:68px;z-index:60;background:rgba(15,26,43,.94);
 backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;padding:11px 24px;scrollbar-width:none}
.subnav .wrap::-webkit-scrollbar{display:none}
.subnav a{white-space:nowrap;font-size:.83rem;font-weight:700;color:var(--mut);
 border:1px solid var(--line);border-radius:999px;padding:6px 15px;transition:.25s}
.subnav a:hover{color:#fff;border-color:var(--accent)}

.crumbs { max-width: 1180px; margin: 0 auto; padding: 14px 24px 0; font-size: 0.82rem; color: var(--muted, #64748b); }
.crumbs a { color: inherit; text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs span.sep { opacity: .55; margin: 0 6px; }
.crumbs strong { font-weight: 600; color: var(--ink, #0f172a); }

.nm a { color: inherit; text-decoration: none; border-bottom: 1px solid rgba(232,113,43,.45); }
.nm a:hover { color: #e8712b; }


/* brand mark on catalog pages */
.lg .badge{
  background:#000 url('/assets/brand-mark-128.webp') center/cover no-repeat;
  color:transparent;font-size:0;line-height:0;overflow:hidden;
  box-shadow:0 0 0 1.5px rgba(255,255,255,.30), 0 2px 8px rgba(0,0,0,.45);
}


/* anchors must clear the fixed header */
:target { scroll-margin-top: 92px; }
#epc-index, #contact, #faq, #quote { scroll-margin-top: 92px; }