:root{
  --navy:#0B1220;--navy2:#111B30;--navy3:#17223C;--card:#15203A;
  --line:rgba(255,255,255,.08);--lineh:rgba(255,255,255,.16);
  --accent:#3D7FFF;--accent2:#2563CC;--ag:rgba(61,127,255,.12);
  --tp:#F0F4FF;--ts:#9FB0CC;--tm:#6B7C9B;
  --ok:#22c55e;--warn:#f59e0b;
  --font:'DM Sans',system-ui,sans-serif;--mono:'DM Mono',monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--navy);color:var(--tp);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
.sl{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
/* MARQUEE */
.marquee{background:linear-gradient(90deg,var(--accent2),var(--accent));color:#fff;overflow:hidden;white-space:nowrap;border-bottom:1px solid var(--lineh)}
.marquee-track{display:inline-block;padding:7px 0;animation:scroll 28s linear infinite}
.marquee-track span{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;padding:0 26px;position:relative}
.marquee-track span::after{content:'•';position:absolute;right:-4px;opacity:.55}
@keyframes scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.marquee:hover .marquee-track{animation-play-state:paused}
@media(prefers-reduced-motion:reduce){.marquee-track{animation:none;padding-left:20px}}
/* NAV */
nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:16px;padding:0 20px;height:62px;background:rgba(11,18,32,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
nav .logo{display:flex;align-items:center}
nav .logo .lg{display:none;width:auto}
nav .logo .lg-full{height:34px}
nav .logo .lg-mark{height:32px}
[data-theme="dark"] nav .logo .lg-full.lg-dark{display:block}
[data-theme="light"] nav .logo .lg-full.lg-light{display:block}
.nav-links{display:flex;list-style:none;gap:4px;margin:0 auto}
.nav-links a{display:block;padding:9px 13px;font-size:13.5px;color:var(--accent);font-weight:500;border-radius:7px;white-space:nowrap}
.nav-links a:hover{color:var(--accent);background:var(--ag)}
.nav-links a.active{color:#fff;background:var(--accent)}
.nav-cta{background:var(--accent);color:#fff;padding:9px 17px;border-radius:7px;font-size:13.5px;font-weight:600;white-space:nowrap}
.nav-cta:hover{background:var(--accent2)}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;padding:8px;margin-left:auto}
.nav-burger span{width:22px;height:2px;background:var(--tp);border-radius:2px;transition:.25s}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--accent);color:#fff;padding:11px 20px;border-radius:8px;font-size:14px;font-weight:600;transition:.15s}
.btn:hover{background:var(--accent2)}
.btn-o{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:transparent;color:var(--tp);padding:11px 20px;border-radius:8px;font-size:14px;font-weight:600;border:1px solid var(--lineh)}
.btn-o:hover{border-color:var(--accent);color:var(--accent)}
.btn-lg{padding:14px 26px;font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--accent);background:var(--ag);border:1px solid rgba(61,127,255,.25);padding:6px 12px;border-radius:100px}
.badge{font-family:var(--mono);font-size:10.5px;font-weight:500;padding:3px 9px;border-radius:5px;letter-spacing:.03em}
.badge.ok{background:rgba(34,197,94,.14);color:#4ade80;border:1px solid rgba(34,197,94,.3)}
.badge.warn{background:rgba(245,158,11,.14);color:#fbbf24;border:1px solid rgba(245,158,11,.3)}
/* HERO */
.hero{padding:54px 0 40px;border-bottom:1px solid var(--line);background:radial-gradient(120% 120% at 80% -10%,rgba(61,127,255,.14),transparent 60%)}
.hero h1{font-size:clamp(30px,5vw,52px);font-weight:600;max-width:760px}
.hero h1 span{color:var(--accent)}
.hero .lead{color:var(--ts);font-size:clamp(15px,2vw,18px);max-width:620px;margin-top:16px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 20px}
/* SECTIONS */
section.blk{padding:46px 0;border-bottom:1px solid var(--line)}
.blk h2{font-size:clamp(22px,3vw,32px);font-weight:600}
.blk .sub{color:var(--ts);margin-top:8px;max-width:640px}
.shead{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
/* GRIDS */
.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.feat-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(240px,1fr);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px}
.feat-scroll .pcard{scroll-snap-align:start}
/* PRODUCT CARD */
.pcard{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:.18s}
.pcard:hover{border-color:rgba(61,127,255,.45);transform:translateY(-3px);box-shadow:0 18px 40px -24px rgba(0,0,0,.7)}
.pcard-img{display:block;background:#fff;aspect-ratio:1/1;padding:14px}
.pcard-img img{width:100%;height:100%;object-fit:contain}
.pcard-body{padding:14px 15px 15px;display:flex;flex-direction:column;gap:9px;flex:1}
.pcard-cat{font-family:var(--mono);font-size:10px;letter-spacing:.07em;text-transform:uppercase;color:var(--tm)}
.pcard h3{font-size:16px;font-weight:600}
.pcard-strength{font-size:12.5px;color:var(--ts);margin-top:-4px}
.coa-pill{align-self:flex-start;font-family:var(--mono);font-size:10.5px;color:var(--ts);border:1px solid var(--line);padding:3px 9px;border-radius:100px}
.coa-pill:hover{border-color:var(--accent);color:var(--accent)}
.pcard-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:auto}
.tier{background:var(--navy2);border:1px solid var(--line);border-radius:8px;padding:7px 6px;text-align:center}
.tier span{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.03em;color:var(--tm);text-transform:uppercase}
.tier b{font-size:13px;color:var(--tp)}
.tier-rq{grid-column:1/-1}
.pcard-cta{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:4px}
.pcard-cta .btn,.pcard-cta .btn-o{padding:9px 6px;font-size:12px;line-height:1.1;text-align:center;white-space:nowrap;min-height:40px;display:flex;align-items:center;justify-content:center}
.disc{font-size:11.5px;color:var(--tm);line-height:1.55;margin-top:14px}
/* INVENTORY TOOLBAR */
.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.toolbar input[type=search]{flex:1;min-width:220px;background:var(--navy2);border:1px solid var(--lineh);color:var(--tp);padding:11px 14px;border-radius:9px;font-size:14px}
.toolbar input::placeholder{color:var(--tm)}
.filters{display:flex;gap:7px;flex-wrap:wrap}
.filters button{background:var(--navy2);border:1px solid var(--line);color:var(--ts);padding:7px 12px;border-radius:100px;font-size:12px}
.filters button.active{background:var(--accent);color:#fff;border-color:var(--accent)}
/* FEATURE CARDS */
.fcard{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.fcard h3{font-size:16px;font-weight:600;margin-bottom:8px}
.fcard p{color:var(--ts);font-size:13.5px}
.fico{width:38px;height:38px;border-radius:9px;background:var(--ag);border:1px solid rgba(61,127,255,.25);display:flex;align-items:center;justify-content:center;color:var(--accent);font-family:var(--mono);margin-bottom:14px}
.steps{counter-reset:s}
.step{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.step:last-child{border:none}
.step .n{flex:none;width:34px;height:34px;border-radius:50%;background:var(--ag);border:1px solid rgba(61,127,255,.3);color:var(--accent);font-family:var(--mono);font-size:13px;display:flex;align-items:center;justify-content:center}
.step h4{font-size:14.5px;margin-bottom:3px}
.step p{color:var(--ts);font-size:13px}
/* PRODUCT DETAIL */
.pd{display:grid;grid-template-columns:minmax(0,440px) minmax(0,1fr);gap:40px;padding:34px 0}
.pd-img{background:#fff;border-radius:16px;padding:26px;aspect-ratio:1/1}
.pd-img img{width:100%;height:100%;object-fit:contain}
.pd h1{font-size:clamp(26px,4vw,38px);font-weight:600;margin:6px 0}
.pd .meta-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:10px 0 18px}
.ptable{width:100%;border-collapse:collapse;margin:8px 0 6px;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ptable th,.ptable td{padding:13px 16px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
.ptable th{font-family:var(--mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--tm);background:var(--navy2)}
.ptable tr:last-child td{border:none}
.ptable td:last-child{text-align:right;font-weight:500;font-family:var(--font);font-size:14.5px;color:var(--tp);letter-spacing:-.01em}
.pervial{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.05em;text-transform:uppercase;margin-top:8px}
.pd-ctas{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.rubar{display:flex;gap:10px;flex-wrap:wrap;background:var(--navy2);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:0 10px 10px 0;padding:12px 16px;font-size:12.5px;color:var(--ts);margin:10px 0}
.trow{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 0}
.docblk{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-top:18px}
.docblk h3{font-size:15px;margin-bottom:10px}
.docrow{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.docrow:last-child{border:none}
.prose p{color:var(--ts);font-size:14.5px;margin:12px 0}
.prose h2{font-size:20px;margin:24px 0 6px}
/* COA TABLE */
.coa-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
table.coa{width:100%;border-collapse:collapse;min-width:760px}
table.coa th,table.coa td{padding:11px 13px;text-align:left;font-size:13px;border-bottom:1px solid var(--line);white-space:nowrap}
table.coa th{font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--tm);background:var(--navy2);position:sticky;top:0}
table.coa td.name{white-space:normal;color:var(--tp);font-weight:500}
.st{font-family:var(--mono);font-size:10px;padding:3px 8px;border-radius:5px}
.st.up{background:rgba(245,158,11,.14);color:#fbbf24}
.st.av{background:rgba(34,197,94,.14);color:#4ade80}
.st.pd{background:rgba(148,163,184,.14);color:#cbd5e1}
.coa-btn{font-family:var(--mono);font-size:11px;color:var(--accent);border:1px solid rgba(61,127,255,.3);padding:4px 10px;border-radius:6px}
/* FAQ */
.faq{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border:none}
.faq summary{padding:15px 18px;font-size:14.5px;font-weight:500;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--accent);font-size:18px}
.faq details[open] summary::after{content:'\2212'}
.faq p{padding:0 18px 16px;color:var(--ts);font-size:13.5px}
/* FORMS */
.form-wrap{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.fg{display:flex;flex-direction:column;gap:6px;margin-bottom:13px}
.fg label{font-size:12px;color:var(--ts)}
.fg input,.fg textarea{background:var(--navy);border:1px solid var(--lineh);color:var(--tp);padding:10px 13px;border-radius:8px;font-size:14px;font-family:inherit;width:100%}
.fg input:focus,.fg textarea:focus{outline:none;border-color:var(--accent)}
.fg textarea{min-height:90px;resize:vertical}
.fg2{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field-error{border-color:#ef4444!important}
.form-submit{width:100%;background:var(--accent);color:#fff;padding:13px;border-radius:8px;font-size:14px;font-weight:600;margin-top:4px}
.form-submit:hover{background:var(--accent2)}
.form-note{font-size:11px;color:var(--tm);margin-top:12px;line-height:1.6}
.form-msg{display:none;padding:13px 15px;border-radius:9px;font-size:13.5px;margin-bottom:6px}
.form-msg.show{display:block}
.form-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5}
.form-success{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:#86efac}
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
/* STICKY MOBILE CTA */
.sticky-cta{display:none}
/* FOOTER */
footer{background:#070C16;border-top:1px solid var(--line);margin-top:0}
.f-top{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;padding:36px 20px 26px;max-width:1180px;margin:0 auto}
.f-brand img{height:30px;margin-bottom:12px}
.f-brand p{color:var(--ts);font-size:13px}
.f-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.f-chips span{font-family:var(--mono);font-size:10.5px;color:var(--ts);border:1px solid var(--line);padding:4px 10px;border-radius:100px}
.f-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.f-cols h4{font-size:12px;font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--tm);margin-bottom:10px}
.f-cols a{display:block;color:var(--ts);font-size:13px;padding:4px 0}
.f-cols a:hover{color:#fff}
.f-legal{max-width:1180px;margin:0 auto;padding:18px 20px;border-top:1px solid var(--line);font-size:10.5px;color:var(--tm);line-height:1.65}
/* RESPONSIVE */
@media(max-width:960px){
  nav .logo .lg-full{display:none!important}
  nav .logo .lg-mark{height:30px}
  [data-theme="dark"] nav .logo .lg-mark.lg-dark{display:block}
  [data-theme="light"] nav .logo .lg-mark.lg-light{display:block}
  .pd{grid-template-columns:1fr;gap:22px}.pd-img{max-width:380px}.cgrid{grid-template-columns:1fr}.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}.f-top{grid-template-columns:1fr}}
@media(max-width:760px){
  .nav-burger{display:flex}
  .nav-links{position:absolute;top:62px;left:0;right:0;flex-direction:column;background:var(--navy2);border-bottom:1px solid var(--line);padding:8px 16px 14px;display:none;margin:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 8px;border-bottom:1px solid var(--line)}
  .nav-cta{margin-left:auto;padding:8px 13px;font-size:12.5px}
  .grid.g4,.grid.g3{grid-template-columns:repeat(2,1fr);gap:12px}
  .fg2{grid-template-columns:1fr}
  .pcard-cta{grid-template-columns:1fr}
  .sticky-cta{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:90;gap:8px;padding:10px 14px;background:rgba(11,18,32,.96);backdrop-filter:blur(10px);border-top:1px solid var(--lineh)}
  .sticky-cta .btn,.sticky-cta .btn-o{flex:1;padding:12px}
  body.has-sticky{padding-bottom:70px}
}
@media(max-width:460px){.grid.g4,.grid.g3{grid-template-columns:1fr}}

/* ===== THEME: light mode + toggle ===== */
[data-theme="light"]{
  --navy:#ffffff;--navy2:#f2f6fc;--navy3:#eaf1fb;--card:#ffffff;
  --line:#e7ecf4;--lineh:#cdd9ea;
  --accent:#3D7FFF;--accent2:#2563CC;--ag:rgba(61,127,255,.10);
  --tp:#0f1b33;--ts:#475569;--tm:#64748b;
  --ok:#15803d;--warn:#9a5d0e;
}
[data-theme="light"] body{background:#ffffff}
[data-theme="light"] nav{background:rgba(255,255,255,.93);border-bottom:1px solid var(--line)}
[data-theme="light"] .pcard{box-shadow:0 1px 3px rgba(15,27,51,.06)}
[data-theme="light"] .pcard:hover{box-shadow:0 16px 36px -22px rgba(15,27,51,.30)}
[data-theme="light"] .tier{background:#f5f9ff}
[data-theme="light"] .fg input,[data-theme="light"] .fg textarea,[data-theme="light"] .toolbar input[type=search]{background:#f7faff}
[data-theme="light"] .badge.ok{background:#e6f7ec;color:#15803d;border-color:rgba(34,197,94,.4)}
[data-theme="light"] .badge.warn{background:#fdf3e1;color:#9a5d0e;border-color:rgba(245,158,11,.45)}
[data-theme="light"] .st.up{background:#fdf3e1;color:#9a5d0e}
[data-theme="light"] .st.av{background:#e6f7ec;color:#15803d}
[data-theme="light"] .st.pd{background:#eef1f7;color:#33415a}
[data-theme="light"] .marquee{border-bottom:1px solid var(--lineh)}
/* footer intentionally stays dark navy in both themes */
.theme-toggle{flex-shrink:0;width:36px;height:36px;border-radius:8px;border:1px solid var(--lineh);background:transparent;color:var(--ts);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.15s;padding:0}
.theme-toggle:hover{color:var(--accent);border-color:var(--accent)}
.theme-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .ic-sun,.theme-toggle .ic-moon{display:none}
[data-theme="dark"] .theme-toggle .ic-sun{display:block}
[data-theme="light"] .theme-toggle .ic-moon{display:block}
@media(max-width:760px){.theme-toggle{width:34px;height:34px;margin-left:4px}}

/* ===== Explore carousel (homepage) ===== */
.carousel{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(210px,1fr);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.carousel::-webkit-scrollbar{height:6px}
.carousel::-webkit-scrollbar-thumb{background:var(--lineh);border-radius:10px}
.ccard{scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:.18s}
.ccard:hover{border-color:rgba(61,127,255,.45);transform:translateY(-3px)}
.ccard-img{background:#fff;aspect-ratio:1/1;padding:14px}
.ccard-img img{width:100%;height:100%;object-fit:contain}
.ccard-body{padding:13px 14px 15px;display:flex;flex-direction:column;gap:7px;flex:1}
.ccard-cat{font-family:var(--mono);font-size:10px;letter-spacing:.07em;text-transform:uppercase;color:var(--tm)}
.ccard-body h3{font-size:15.5px;font-weight:600}
.ccard-strength{font-size:12.5px;color:var(--ts);margin-top:-3px}
.ccard .btn{margin-top:auto;padding:9px;font-size:12.5px;width:100%}
[data-theme="light"] .ccard{box-shadow:0 1px 3px rgba(15,27,51,.06)}
[data-theme="light"] .ccard:hover{box-shadow:0 16px 36px -22px rgba(15,27,51,.30)}
@media(max-width:760px){.carousel{grid-auto-columns:minmax(72%,76%)}}

/* ===== product detail: specs ===== */
.specs{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.specrow{background:var(--card);padding:13px 16px;display:flex;justify-content:space-between;gap:12px;font-size:13.5px}
.specrow span{color:var(--tm)}
.specrow b{color:var(--tp);font-weight:600;text-align:right}
@media(max-width:560px){.specs{grid-template-columns:1fr}}

/* ===== CAS number display ===== */
.cas-meta{font-family:var(--mono);font-size:11px;color:var(--ts);border:1px solid var(--line);padding:3px 9px;border-radius:100px;letter-spacing:.02em;white-space:nowrap}
.pcard-cas{font-family:var(--mono);font-size:10.5px;color:var(--tm);letter-spacing:.02em;margin-top:-3px}
.cas-sub{display:block;font-family:var(--mono);font-size:10.5px;color:var(--tm);letter-spacing:.02em;margin-top:3px;white-space:nowrap}

/* ===== SC pass: spec box fill, light-mode footer, business address ===== */
.specs .specrow:last-child:nth-child(odd){grid-column:1 / -1}
.f-logo{height:30px;margin-bottom:12px}
.f-logo-light{display:none}
[data-theme="light"] .f-logo-dark{display:none}
[data-theme="light"] .f-logo-light{display:block}
.f-addr{display:block;font-style:normal;font-size:12.5px;line-height:1.7;color:var(--ts);margin-top:16px}
.f-addr .f-addr-h{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--tm);margin-bottom:4px}
[data-theme="light"] footer{background:#eef3fb;border-top:2px solid var(--accent)}
[data-theme="light"] footer .f-top{padding-top:40px;padding-bottom:30px}
[data-theme="light"] footer .f-brand p strong{color:#0f1b33}
[data-theme="light"] footer .f-chips span{border-color:#d4e0f1}
[data-theme="light"] footer .f-legal{border-top-color:#d9e3f2;color:#5b6b86}