:root{
  --ink:#0b1220;
  --ink-2:#1e293b;
  --steel:#475569;
  --muted:#64748b;
  --line:#e2e8f0;
  --line-2:#cbd5e1;
  --bg:#ffffff;
  --bg-2:#f7f8fa;
  --bg-3:#0f172a;
  --accent:#c2410c;
  --accent-2:#f59e0b;
  --beam:#f97316;
  --ok:#0f766e;
  --radius:2px;
  --max:1180px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,"Helvetica Neue",Arial,"Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{max-width:100%;overflow-x:hidden}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;line-height:1.15;font-weight:600}
h1{font-size:clamp(2rem,4.6vw,3.4rem)}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.125rem}
ul{margin:0 0 1em;padding-left:1.15em}
li{margin:.25em 0}
strong{color:var(--ink);font-weight:600}
small{font-size:.8125rem}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{
  font-family:var(--mono);
  font-size:.6875rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 14px;
}
.lede{font-size:1.0625rem;color:var(--steel);max-width:62ch}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
.brand .mark{width:26px;height:26px;flex:none}
.brand span small{display:block;font-family:var(--mono);font-size:.5625rem;letter-spacing:.14em;color:var(--muted);font-weight:400;text-transform:uppercase;margin-top:-2px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:.875rem}
.nav-links a{color:var(--steel);padding:6px 0;border-bottom:1px solid transparent}
.nav-links a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.nav-cta{
  border:1px solid var(--ink);padding:9px 16px;font-size:.8125rem;
  letter-spacing:.02em;color:var(--ink);background:#fff;
}
.nav-cta:hover{background:var(--ink);color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line-2);padding:8px 10px;font-size:.8125rem;cursor:pointer}

@media(max-width:900px){
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 16px}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 0;width:100%;border-bottom:1px solid var(--line)}
  .menu-btn{display:block}
  .nav-cta{display:none}
}

/* ---------- hero ---------- */
.hero{background:var(--bg-3);color:#e2e8f0;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(148,163,184,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.09) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(80% 60% at 70% 40%,#000 30%,transparent 100%);
}
.hero-inner{position:relative;padding:96px 0 72px}
.hero h1{color:#fff;max-width:19ch}
.hero .lead{font-size:1.125rem;color:#cbd5e1;max-width:56ch;margin:22px 0 32px}
.hero .eyebrow{color:var(--accent-2)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;font-size:.875rem;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn-primary{background:#fff;color:var(--ink);font-weight:600}
.btn-primary:hover{background:var(--accent-2);color:#111}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#e2e8f0}
.btn-ghost:hover{border-color:#fff;color:#fff}
.btn-dark{background:var(--ink);color:#fff;font-weight:600}
.btn-dark:hover{background:var(--accent)}
.btn-line{border-color:var(--line-2);color:var(--ink)}
.btn-line:hover{border-color:var(--ink)}

.facts{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.14);margin-top:72px;
}
.fact{padding:22px 20px 0 0}
.fact dt{font-family:var(--mono);font-size:.6875rem;letter-spacing:.12em;text-transform:uppercase;color:#94a3b8;margin-bottom:6px}
.fact dd{margin:0;color:#fff;font-size:1rem;font-weight:500}
.fact dd span{display:block;font-size:.8125rem;color:#94a3b8;font-weight:400;margin-top:2px}
@media(max-width:820px){
  .hero-inner{padding:64px 0 48px}
  .facts{grid-template-columns:repeat(2,1fr);gap:0 16px;margin-top:48px}
  .fact{padding:18px 0 0}
}

/* ---------- sections ---------- */
section{padding:88px 0}
section.tight{padding:64px 0}
.bg-2{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:44px}
.sec-head h2{max-width:24ch}
.sec-head p{margin:0;max-width:42ch;color:var(--steel);font-size:.9375rem}
@media(max-width:780px){.sec-head{flex-direction:column;align-items:flex-start;gap:14px}}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:900px){.grid-3,.grid-2{grid-template-columns:1fr}}
.cell{background:#fff;padding:30px 28px}
.cell h3{margin-bottom:10px}
.cell p{margin:0;color:var(--steel);font-size:.9375rem}
.cell .num{font-family:var(--mono);font-size:.6875rem;letter-spacing:.1em;color:var(--accent);display:block;margin-bottom:14px}

/* product cards */
.prod{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:900px){.prod{grid-template-columns:1fr}}
.prod-card{background:#fff;padding:38px 34px;display:flex;flex-direction:column}
.prod-card .tag{font-family:var(--mono);font-size:.6875rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.prod-card h3{font-size:1.5rem;margin:12px 0 6px}
.prod-card .sub{color:var(--accent);font-family:var(--mono);font-size:.8125rem;letter-spacing:.04em;margin-bottom:18px}
.prod-card ul{margin:0 0 22px;padding-left:0;list-style:none}
.prod-card li{display:flex;gap:10px;font-size:.9375rem;color:var(--steel);padding:7px 0;border-bottom:1px solid var(--line)}
.prod-card li::before{content:"";width:5px;height:5px;background:var(--accent);flex:none;margin-top:9px}
.prod-card .more{margin-top:auto;font-size:.875rem;font-weight:600;color:var(--ink);display:inline-flex;gap:8px;align-items:center}
.prod-card .more:hover{color:var(--accent)}

/* application list */
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:1000px){.apps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.apps{grid-template-columns:1fr}}
.app{background:#fff;padding:26px 24px;min-height:150px}
.app h4{font-size:.9375rem;margin-bottom:8px}
.app p{margin:0;font-size:.875rem;color:var(--muted)}

/* spec table */
.tbl{width:100%;border-collapse:collapse;font-size:.9375rem}
.tbl th,.tbl td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-family:var(--mono);font-size:.6875rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:400;background:var(--bg-2)}
.tbl td:first-child{color:var(--ink);font-weight:500;width:34%}
.tbl tr:last-child td{border-bottom:0}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
@media(max-width:900px){.steps{grid-template-columns:1fr;gap:22px}}
.step{counter-increment:s;border-top:2px solid var(--ink);padding-top:18px}
.step::before{content:"0" counter(s);font-family:var(--mono);font-size:.6875rem;letter-spacing:.1em;color:var(--accent);display:block;margin-bottom:10px}
.step h4{font-size:1rem;margin-bottom:8px}
.step p{margin:0;font-size:.875rem;color:var(--steel)}

/* quote / proof */
.proof{border-left:2px solid var(--accent);padding:6px 0 6px 26px;max-width:60ch}
.proof p{font-size:1.125rem;color:var(--ink);line-height:1.6}
.proof cite{font-style:normal;font-family:var(--mono);font-size:.75rem;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}

/* notice */
.notice{border:1px solid var(--line-2);background:var(--bg-2);padding:22px 24px;font-size:.875rem;color:var(--steel)}
.notice strong{display:block;color:var(--ink);margin-bottom:6px;font-size:.9375rem}

/* cta band */
.cta-band{background:var(--bg-3);color:#e2e8f0;padding:72px 0}
.cta-band h2{color:#fff;max-width:26ch}
.cta-band p{color:#94a3b8;max-width:52ch;margin:16px 0 28px}

/* footer */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 32px;font-size:.875rem;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px}}
.site-footer h5{font-size:.6875rem;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin:0 0 14px}
.site-footer a:hover{color:var(--ink)}
.site-footer li{margin:0 0 8px;list-style:none}
.site-footer ul{padding:0;margin:0}
.foot-bot{border-top:1px solid var(--line);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.8125rem}

/* content pages */
.page-head{background:var(--bg-2);border-bottom:1px solid var(--line);padding:64px 0 48px}
.page-head h1{font-size:clamp(1.75rem,3.4vw,2.6rem);max-width:26ch}
.page-head p{margin:16px 0 0;max-width:60ch;color:var(--steel)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px}
@media(max-width:900px){.two-col{grid-template-columns:1fr;gap:32px}}
.aside{border-left:1px solid var(--line);padding-left:28px}
@media(max-width:900px){.aside{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:24px}}

/* form */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}
label{display:block;font-size:.75rem;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
input,select,textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line-2);background:#fff;
  font-family:var(--font);font-size:.9375rem;color:var(--ink);border-radius:0;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--ink);outline-offset:-2px}
textarea{min-height:130px;resize:vertical}
.field{margin-bottom:18px}
.form-note{font-size:.8125rem;color:var(--muted);margin-top:14px}

.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{padding:16px 0;border-bottom:1px solid var(--line)}
.contact-list .k{font-family:var(--mono);font-size:.6875rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:5px}
.contact-list .v{font-size:1rem;color:var(--ink)}
.contact-list a:hover{color:var(--accent)}

.anchor-offset{scroll-margin-top:84px}

/* video */
.video-frame{max-width:340px;margin:0 auto}
.video-frame video{width:100%;aspect-ratio:9/16;object-fit:cover;background:#0b1220;border:1px solid var(--line-2);display:block}
@media(max-width:900px){.video-frame{max-width:300px}}

/* language switch */
.lang{font-size:13px;letter-spacing:.04em;color:var(--steel);border:1px solid var(--line-2);padding:4px 9px;line-height:1;text-decoration:none;margin-left:6px}
.lang:hover{color:var(--ink);border-color:var(--ink)}
@media(max-width:900px){.lang{margin:8px 0 0;align-self:flex-start}}