body{margin:0}
/* Layout: 블루 솔더마스크 PCB를 모티프로 한 엔지니어링 브랜드. 히어로·기술·푸터는 딥네이비 밴드, 본문은 쿨그레이 라이트 밴드 교차 */
:root{
  padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
  --bg:#F3F6FB; --surface:#FFFFFF; --ink:#0B1630; --muted:#56627F; --line:#DCE3EF;
  --accent:#1F5BFF; --accent-ink:#FFFFFF; --accent-soft:#E7EEFF; --cyan:#0FA9CF; --gold:#C8963E;
  --night:#060E24; --night-2:#0B1A3F; --night-ink:#E9EFFF; --night-muted:#9EB0D6; --night-line:#1D2D57;
  --shadow:0 1px 2px rgba(11,22,48,.06),0 12px 32px -12px rgba(11,22,48,.18);
  --f-display:"Archivo","IBM Plex Sans KR",system-ui,sans-serif;
  --f-body:"IBM Plex Sans KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --maxw:1240px; --r:10px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#070D1C; --surface:#0D1730; --ink:#E7ECF8; --muted:#97A4C3; --line:#1C2949;
  --accent:#5E8DFF; --accent-ink:#06102A; --accent-soft:#132552; --cyan:#3FCBEA; --gold:#D9AC5C;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 16px 40px -16px rgba(0,0,0,.6); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#070D1C; --surface:#0D1730; --ink:#E7ECF8; --muted:#97A4C3; --line:#1C2949;
  --accent:#5E8DFF; --accent-ink:#06102A; --accent-soft:#132552; --cyan:#3FCBEA; --gold:#D9AC5C;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 16px 40px -16px rgba(0,0,0,.6); color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.7;overflow-x:hidden;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.22;text-wrap:balance;margin:0;letter-spacing:-.02em}
p{margin:0}
img{display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
section{padding-block:88px}
.ico{width:22px;height:22px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.eyebrow{font-family:var(--f-mono);font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.sec-head{display:grid;gap:14px;margin-bottom:44px;max-width:760px}
.sec-head h2{font-size:clamp(28px,4.6vw,44px);font-weight:800}
.sec-head p{color:var(--muted);font-size:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border-radius:999px;font-weight:600;text-decoration:none;font-family:var(--f-body);font-size:15px;cursor:pointer;border:1px solid transparent;transition:transform .2s,background .2s,box-shadow .2s}
.btn .ico{width:18px;height:18px}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 8px 24px -8px color-mix(in srgb,var(--accent) 70%,transparent)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-line{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}
.btn-glass{border-color:rgba(233,239,255,.22);color:var(--night-ink);background:rgba(233,239,255,.06)}
.btn-glass:hover{background:rgba(233,239,255,.12)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.tag{display:inline-flex;align-items:center;font-family:var(--f-mono);font-size:11px;letter-spacing:.04em;padding:3px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:500}

/* ===== Header ===== */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--night) 82%,transparent);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--night-line);color:var(--night-ink)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--f-display);font-weight:800;font-size:21px;letter-spacing:-.03em;color:var(--night-ink)}
.logo svg{width:30px;height:30px}
.logo b{color:#6E9BFF;font-weight:800}
.nav-links{display:none;gap:2px;list-style:none;margin:0;padding:0}
.nav-links a{display:flex;align-items:center;min-height:44px;padding:0 15px;text-decoration:none;font-size:15px;font-weight:500;color:var(--night-muted);border-radius:999px;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--night-ink);background:rgba(233,239,255,.07)}
.nav-cta{display:none!important;min-height:42px!important;padding:0 18px!important}
.menu-btn{width:44px;height:44px;display:grid;place-items:center;background:rgba(233,239,255,.06);border:1px solid var(--night-line);border-radius:12px;color:var(--night-ink);cursor:pointer}
.drawer{background:var(--night);border-top:1px solid var(--night-line)}
.drawer ul{list-style:none;margin:0;padding:8px 0 4px;display:grid}
.drawer a.lk{display:flex;align-items:center;justify-content:space-between;min-height:52px;text-decoration:none;font-weight:500;border-bottom:1px solid var(--night-line);color:var(--night-ink)}
.drawer .btn{margin-block:16px 20px;width:100%}
@media (min-width:768px){.nav-links{display:flex}.nav-cta{display:inline-flex!important}.menu-btn,.drawer{display:none!important}}

/* ===== Hero ===== */
.hero{position:relative;background:var(--night);color:var(--night-ink);padding-block:40px 64px;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:
  radial-gradient(60% 70% at 78% 40%,rgba(46,98,255,.30),transparent 70%),
  radial-gradient(40% 50% at 10% 100%,rgba(15,169,207,.14),transparent 70%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.35;background-image:linear-gradient(rgba(158,176,214,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(158,176,214,.07) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(80% 80% at 70% 40%,#000,transparent)}
.hero-grid{display:grid;gap:28px;align-items:center}
.hero-copy{display:grid;gap:22px;min-width:0}
.pill{justify-self:start;display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 8px;border-radius:999px;border:1px solid var(--night-line);background:rgba(233,239,255,.05);font-size:13px;color:var(--night-muted)}
.pill i{display:inline-block;width:8px;height:8px;border-radius:50%;background:#3FCBEA;box-shadow:0 0 0 4px rgba(63,203,234,.18)}
.hero h1{font-size:clamp(34px,6.6vw,64px);font-weight:800;letter-spacing:-.035em;line-height:1.14}
.hero h1 span{color:#7FA6FF}
.hero-sub{color:var(--night-muted);font-size:clamp(16px,2vw,18px);max-width:31em}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px}
.facts{display:grid;grid-template-columns:1fr;gap:12px;margin-top:6px;padding-top:22px;border-top:1px solid var(--night-line)}
.fact{display:flex;gap:12px;align-items:center;font-size:14px;color:var(--night-muted)}
.fact b{display:block;color:var(--night-ink);font-weight:600;font-size:15px}
.fact .ico{width:38px;height:38px;padding:9px;border-radius:10px;background:rgba(110,155,255,.12);color:#8CB0FF}
@media (min-width:640px){.facts{grid-template-columns:repeat(3,1fr)}}
.stage{position:relative;width:100%;max-width:100%;aspect-ratio:1/1;min-width:0}
.stage canvas{position:absolute;inset:0;width:100%!important;height:100%!important;display:block}
.stage .fallback{position:absolute;inset:0;display:grid;place-items:center}
.glass{position:absolute;display:flex;gap:10px;align-items:center;padding:10px 14px;border-radius:14px;background:rgba(10,22,55,.55);border:1px solid rgba(158,176,214,.22);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-size:12px;color:var(--night-muted);line-height:1.4;box-shadow:0 18px 40px -18px rgba(0,0,0,.6)}
.glass b{display:block;color:var(--night-ink);font-size:13px;font-weight:600}
.glass .ico{width:30px;height:30px;padding:6px;border-radius:8px;background:rgba(63,203,234,.14);color:#5FD6F0}
.g1{top:6%;left:0}
.g2{bottom:8%;right:0}
.g3{display:none;top:46%;right:-2%}
@media (min-width:640px){.g3{display:flex}}
@media (min-width:1024px){
  .hero{padding-block:56px 80px}
  .hero-grid{grid-template-columns:1fr 1.05fr;gap:24px}
  .stage{aspect-ratio:auto;height:600px}
}

/* ===== Start (상황별) ===== */
.starts{display:grid;grid-template-columns:1fr;gap:16px}
.start{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 24px 24px;display:grid;gap:12px;align-content:start;min-width:0;transition:border-color .2s,transform .2s,box-shadow .2s}
.start:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));transform:translateY(-3px);box-shadow:var(--shadow)}
.start .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.start .ic .ico{width:26px;height:26px}
.start .who{font-size:13px;color:var(--muted);font-weight:500}
.start h3{font-size:20px;font-weight:700}
.start p{color:var(--muted);font-size:15px}
.start .more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent);text-decoration:none;min-height:44px;margin-top:2px}
.start .more .ico{width:16px;height:16px;transition:transform .2s}
.start:hover .more .ico{transform:translateX(3px)}
@media (min-width:640px){.starts{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.starts{grid-template-columns:repeat(4,1fr)}}

/* ===== Services bento ===== */
.band{background:var(--surface);border-block:1px solid var(--line)}
.bento{display:grid;grid-template-columns:1fr;gap:16px}
.cell{background:var(--bg);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:grid;align-content:start;min-width:0}
.cell-body{padding:24px;display:grid;gap:10px;align-content:start}
.cell-title{display:flex;align-items:center;gap:12px}
.cell-title .ico{width:40px;height:40px;padding:9px;border-radius:11px;background:var(--accent);color:var(--accent-ink)}
.cell h3{font-size:21px;font-weight:700}
.cell p{color:var(--muted);font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.chips span{font-size:13px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:var(--surface)}
.media{position:relative;aspect-ratio:16/10;max-width:100%;background:radial-gradient(90% 90% at 60% 30%,#1A2E66,#060E24);overflow:hidden}
.media img,.media svg{width:100%;height:100%;object-fit:cover}
.media svg{position:absolute;inset:0}
.media img{opacity:0;transition:opacity .6s}.media img.on{opacity:1}
.media .badge{position:absolute;left:14px;top:14px;font-family:var(--f-mono);font-size:11px;color:#CFE0FF;background:rgba(6,14,36,.6);border:1px solid rgba(158,176,214,.25);padding:4px 10px;border-radius:999px;backdrop-filter:blur(6px)}
.code{margin:0;padding:18px 20px;background:var(--night);color:#C8D6FA;font-family:var(--f-mono);font-size:12.5px;line-height:1.75;overflow-x:auto;border-bottom:1px solid var(--line)}
.code .k{color:#7FA6FF}.code .f{color:#5FD6F0}.code .c{color:#5D6E96}.code .n{color:#E4B86A}
.flow{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:22px 20px;background:var(--surface);border-bottom:1px solid var(--line);overflow-x:auto}
.node{display:grid;justify-items:center;gap:6px;font-size:12px;color:var(--muted);min-width:56px}
.node .ico{width:44px;height:44px;padding:11px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--accent)}
.flow .ar{flex:1;min-width:14px;height:2px;background:repeating-linear-gradient(90deg,var(--accent) 0 6px,transparent 6px 11px);opacity:.6}
.mfg{list-style:none;margin:0;padding:18px 20px;display:grid;gap:10px;background:var(--surface);border-bottom:1px solid var(--line)}
.mfg li{display:flex;align-items:center;gap:10px;font-size:14px}
.mfg .ico{width:18px;height:18px;color:var(--accent)}
.note{display:flex;gap:12px;align-items:center;margin-top:18px;padding:16px 20px;border-radius:14px;background:var(--accent-soft);color:var(--ink);font-size:15px}
.note .ico{color:var(--accent)}
@media (min-width:768px){.bento{grid-template-columns:1fr 1fr}.c-ai{grid-column:span 2}}
@media (min-width:1024px){.bento{grid-template-columns:repeat(12,1fr)}.c-ai{grid-column:span 7}.c-hw{grid-column:span 5}.c-fw,.c-mf,.c-si{grid-column:span 4}}

/* ===== Products ===== */
.prods{display:grid;grid-template-columns:1fr;gap:20px}
.prod{background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;display:grid;min-width:0;transition:box-shadow .25s,transform .25s}
.prod:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.shot{position:relative;aspect-ratio:4/3;max-width:100%;background:radial-gradient(80% 80% at 50% 35%,#FFFFFF 0%,#E4EAF5 60%,#CCD6E8 100%);overflow:hidden}
.shot img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s}
.shot img.on{opacity:1}
.shot .ph{position:absolute;inset:0;display:grid;place-items:center;color:#9AA8C6}
.shot .ph .ico{width:48px;height:48px;stroke-width:1.2}
.shot .tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.75);color:#33415F;backdrop-filter:blur(6px)}
.prod-body{padding:22px 24px 26px;display:grid;gap:10px}
.prod h3{font-size:20px;font-weight:700}
.prod p{font-size:15px;color:var(--muted)}
.spec{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:6px 0 0;font-size:13px}
.spec dt{font-family:var(--f-mono);color:var(--muted)}
.spec dd{margin:0;font-weight:500}
@media (min-width:768px){.prods{grid-template-columns:repeat(3,1fr)}}

/* ===== Process ===== */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:0;position:relative}
.step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:18px;padding-bottom:28px;min-width:0}
.step::before{content:"";position:absolute;left:27px;top:56px;bottom:0;width:2px;background:var(--line)}
.step:last-child::before{display:none}
.step .dot{position:relative;width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--accent);box-shadow:var(--shadow)}
.step .dot .ico{width:24px;height:24px}
.step .no{position:absolute;top:-8px;right:-8px;width:24px;height:24px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-family:var(--f-mono);font-size:11px;font-weight:600;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.step h3{font-size:18px;font-weight:700;margin-top:4px}
.step p{color:var(--muted);font-size:14px}
.step .out{display:inline-block;margin-top:8px;font-family:var(--f-mono);font-size:12px;color:var(--accent)}
.steps-note{margin-top:8px;color:var(--muted);font-size:15px;display:flex;gap:10px;align-items:center}
@media (min-width:1024px){
  .steps{grid-template-columns:repeat(7,1fr);gap:14px}
  .step{grid-template-columns:1fr;gap:14px;padding-bottom:0}
  .step::before{left:56px;right:-14px;top:27px;bottom:auto;width:auto;height:2px}
}

/* ===== Why ===== */
.why{display:grid;grid-template-columns:1fr;gap:16px}
.why-item{display:grid;gap:12px;padding:28px 24px;border-radius:18px;background:var(--surface);border:1px solid var(--line);align-content:start;min-width:0}
.why-item .ico{width:46px;height:46px;padding:11px;border-radius:13px;background:linear-gradient(140deg,var(--accent),var(--cyan));color:#fff}
.why-item h3{font-size:19px;font-weight:700}
.why-item p{color:var(--muted);font-size:15px}
@media (min-width:640px){.why{grid-template-columns:1fr 1fr}}
@media (min-width:1280px){.why{grid-template-columns:repeat(4,1fr)}}

/* ===== Stack (dark) ===== */
.dark{background:var(--night);color:var(--night-ink);position:relative;overflow:hidden;isolation:isolate}
.dark::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(50% 80% at 100% 0%,rgba(46,98,255,.22),transparent 70%)}
.dark .sec-head p{color:var(--night-muted)}
.dark .eyebrow{color:#7FA6FF}
.stack{display:grid;grid-template-columns:1fr;gap:16px;margin:0}
.stack-col{border:1px solid var(--night-line);border-radius:16px;padding:22px;background:rgba(233,239,255,.03);display:grid;gap:14px;align-content:start;min-width:0}
.stack-col dt{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px}
.stack-col dt .ico{color:#7FA6FF}
.stack-col dd{margin:0;display:flex;flex-wrap:wrap;gap:6px}
.stack-col dd span{font-family:var(--f-mono);font-size:12.5px;padding:5px 11px;border-radius:8px;background:rgba(127,166,255,.10);color:#CFDBFF;border:1px solid rgba(127,166,255,.18)}
@media (min-width:768px){.stack{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.stack{grid-template-columns:repeat(4,1fr)}}

/* ===== Portfolio ===== */
.pf-top{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:end;margin-bottom:20px}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.chip-btn{min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-family:var(--f-body);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}
.chip-btn:hover{color:var(--ink);border-color:var(--accent)}
.chip-btn[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.pf{display:grid;gap:12px}
.pf-row{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:14px;align-items:center;min-width:0}
.pf-row .ic{grid-row:span 3;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.pf-row .t{font-weight:600}
.pf-row .c{font-size:13px;color:var(--muted)}
.pf-row .scope{display:flex;flex-wrap:wrap;gap:4px}
.pf-row .scope span{font-size:12px;padding:2px 9px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--muted)}
@media (min-width:768px){.pf-row{grid-template-columns:44px 1fr 150px 210px}.pf-row .ic{grid-row:auto}.pf-row .scope{justify-content:flex-end}}

/* ===== Contact ===== */
.contact-grid{display:grid;gap:28px}
.cinfo{border-radius:20px;padding:32px 26px;background:var(--night);color:var(--night-ink);display:grid;gap:22px;align-content:start;position:relative;overflow:hidden;isolation:isolate;min-width:0}
.cinfo::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(70% 60% at 100% 0%,rgba(46,98,255,.35),transparent 70%)}
.cinfo h2{font-size:clamp(26px,4vw,36px);font-weight:800}
.cinfo p{color:var(--night-muted)}
.cinfo ul{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.cinfo li{display:flex;gap:12px;align-items:center}
.cinfo li .ico{width:40px;height:40px;padding:10px;border-radius:11px;background:rgba(127,166,255,.14);color:#8CB0FF}
.cinfo small{display:block;color:var(--night-muted);font-size:12px}
.tbd{color:#E4B86A}
.checks{display:grid;gap:8px;font-size:14px;color:var(--night-muted);padding-top:18px;border-top:1px solid var(--night-line)}
.checks div{display:flex;gap:8px;align-items:center}
.checks .ico{width:18px;height:18px;color:#5FD6F0}
form{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;display:grid;gap:20px;min-width:0;box-shadow:var(--shadow)}
.row2{display:grid;gap:16px}
@media (min-width:640px){.row2{grid-template-columns:1fr 1fr}}
.field{display:grid;gap:7px;min-width:0}
label,legend{font-size:14px;font-weight:600}
.req{color:var(--accent)}
input[type=text],input[type=tel],input[type=email],select,textarea{width:100%;min-height:50px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;transition:border-color .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
textarea{min-height:130px;resize:vertical}
fieldset{border:none;margin:0;padding:0;display:grid;gap:10px;min-width:0}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{position:relative}
.opt input{position:absolute;opacity:0;inset:0;margin:0}
.opt span{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;font-size:14px;cursor:pointer;background:var(--bg);transition:all .15s}
.opt input:checked+span{border-color:var(--accent);background:var(--accent-soft);color:var(--accent);font-weight:600}
.opt input:focus-visible+span{outline:2px solid var(--cyan);outline-offset:2px}
.drop{display:flex;gap:14px;align-items:center;padding:16px;border:1.5px dashed var(--line);border-radius:14px;background:var(--bg);cursor:pointer;position:relative}
.drop:hover{border-color:var(--accent)}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer}
.drop .ico{width:40px;height:40px;padding:9px;border-radius:11px;background:var(--accent-soft);color:var(--accent)}
.drop b{display:block;font-size:14px}
.drop small{color:var(--muted);font-size:13px}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);font-weight:400}
.agree input{width:22px;height:22px;margin-top:2px;accent-color:var(--accent);flex:none}
.done{display:flex;gap:10px;align-items:center;padding:14px 16px;border-radius:12px;background:var(--accent-soft);color:var(--ink);font-size:14px}
.done .ico{color:var(--accent)}
form .btn{width:100%}
@media (min-width:1024px){.contact-grid{grid-template-columns:.85fr 1.15fr;gap:32px}form{padding:34px}}

footer{background:var(--night);color:var(--night-muted);padding-block:48px;font-size:13px}
.foot{display:grid;gap:20px}
.foot-top{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center;padding-bottom:20px;border-bottom:1px solid var(--night-line)}
.foot-links{display:flex;flex-wrap:wrap;gap:4px 18px}
.foot-links a{text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.foot-links a:hover{color:var(--night-ink)}
.foot strong{color:var(--night-ink);font-weight:600}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}
/* ===== Multi-page additions ===== */
.nav-links a[aria-current="page"]{color:var(--night-ink);background:rgba(233,239,255,.09)}
.drawer a.lk[aria-current="page"]{color:#7FA6FF}
.sec-more{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.subhero{position:relative;background:var(--night);color:var(--night-ink);padding-block:56px 52px;overflow:hidden;isolation:isolate}
.subhero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(55% 90% at 85% 0%,rgba(46,98,255,.32),transparent 70%),radial-gradient(35% 60% at 0% 100%,rgba(15,169,207,.12),transparent 70%)}
.subhero::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.3;background-image:linear-gradient(rgba(158,176,214,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(158,176,214,.07) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(90deg,transparent,#000 60%)}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--night-muted);margin-bottom:18px}
.crumb a{text-decoration:none;min-height:32px;display:inline-flex;align-items:center}
.crumb a:hover{color:var(--night-ink)}
.crumb .ico{width:14px;height:14px}
.subhero h1{font-size:clamp(32px,5.6vw,52px);font-weight:800;letter-spacing:-.03em}
.subhero p{color:var(--night-muted);font-size:clamp(16px,2vw,18px);max-width:40em;margin-top:14px}
.subnav{position:sticky;top:calc(env(safe-area-inset-top,0px) + 68px);z-index:40;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;padding-block:10px;scrollbar-width:none}
.subnav a{flex:none;display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 16px;border-radius:999px;text-decoration:none;font-size:14px;font-weight:500;color:var(--muted);border:1px solid var(--line);background:var(--surface)}
.subnav a:hover{color:var(--accent);border-color:var(--accent)}
.subnav .ico{width:16px;height:16px}

.detail{display:grid;gap:28px;align-items:center;padding-block:56px;border-bottom:1px solid var(--line);scroll-margin-top:140px}
.detail:last-child{border-bottom:none}
.detail-media{border-radius:20px;overflow:hidden;border:1px solid var(--line);min-width:0;background:var(--surface)}
.detail-media .media{aspect-ratio:16/10}
.detail-body{display:grid;gap:16px;min-width:0}
.detail-body .cell-title .ico{width:44px;height:44px;padding:10px;border-radius:12px;background:var(--accent);color:var(--accent-ink)}
.detail-body h2{font-size:clamp(26px,3.6vw,34px);font-weight:800}
.detail-body>p{color:var(--muted);font-size:16px}
.cols2{display:grid;gap:16px}
.box{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:var(--surface);display:grid;gap:10px;align-content:start;min-width:0}
.box h4{font-size:13px;font-family:var(--f-mono);font-weight:500;letter-spacing:.06em;color:var(--accent);text-transform:uppercase}
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:15px}
.checklist li{display:flex;gap:10px;align-items:flex-start}
.checklist .ico{width:18px;height:18px;color:var(--accent);margin-top:3px}
@media (min-width:640px){.cols2{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.detail{grid-template-columns:1.05fr 1fr;gap:56px}.detail.rev .detail-media{order:2}}
.panel-visual{aspect-ratio:16/10;max-width:100%;display:grid;place-items:center;background:radial-gradient(90% 90% at 60% 30%,#1A2E66,#060E24);color:#CFE0FF;padding:24px}
.panel-visual .mfg{background:transparent;border:none;padding:0;color:#E9EFFF;font-size:16px;gap:14px}
.panel-visual .mfg .ico{color:#5FD6F0}
.panel-visual .code{background:transparent;border:none;font-size:14px;width:100%}
.panel-visual .flow{background:transparent;border:none;width:100%}
.panel-visual .node{color:#CFE0FF}
.panel-visual .node .ico{background:rgba(127,166,255,.1);border-color:rgba(127,166,255,.3);color:#8CB0FF}

.prod-detail .shot{aspect-ratio:4/3}
.spec-table{width:100%;border-collapse:collapse;font-size:14px}
.spec-table th,.spec-table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{width:34%;font-family:var(--f-mono);font-weight:500;color:var(--muted);font-size:12.5px}
.spec-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.spec-note{font-size:13px;color:var(--muted)}

.pstep{display:grid;grid-template-columns:56px 1fr;gap:18px;padding-block:30px;border-bottom:1px solid var(--line);scroll-margin-top:140px}
.pstep .dot{position:relative;width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--accent);box-shadow:var(--shadow)}
.pstep .dot .ico{width:24px;height:24px}
.pstep .no{position:absolute;top:-8px;right:-8px;width:24px;height:24px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-family:var(--f-mono);font-size:11px;font-weight:600;display:grid;place-items:center}
.pstep-body{display:grid;gap:14px;min-width:0}
.pstep-body h2{font-size:24px;font-weight:800}
.pstep-body>p{color:var(--muted)}
.pstep-grid{display:grid;gap:12px}
@media (min-width:768px){.pstep-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1024px){.pstep{grid-template-columns:72px 1fr;gap:28px}}

.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.tbl{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
.tbl th,.tbl td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line)}
.tbl thead th{font-family:var(--f-mono);font-size:12px;font-weight:500;letter-spacing:.06em;color:var(--muted);background:var(--bg)}
.tbl tr:last-child td{border-bottom:none}
.tbl td b{color:var(--accent)}

.faq{display:grid;gap:10px}
.faq details{border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:56px;padding:14px 20px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ico{width:18px;height:18px;transition:transform .2s;color:var(--accent);flex:none}
.faq details[open] summary .ico{transform:rotate(90deg)}
.faq details p{padding:0 20px 18px;color:var(--muted);font-size:15px}

.about-intro{display:grid;gap:28px;align-items:start}
.about-intro .lead{font-family:var(--f-display);font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.45;letter-spacing:-.02em}
.about-intro .lead span{color:var(--accent)}
.about-intro .txt{display:grid;gap:14px;color:var(--muted)}
@media (min-width:1024px){.about-intro{grid-template-columns:1fr 1fr;gap:56px}}
.info{display:grid;grid-template-columns:1fr;margin:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface)}
.info div{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}
.info div:last-child{border-bottom:none}
.info dt{font-family:var(--f-mono);font-size:12.5px;color:var(--muted);padding-top:2px}
.info dd{margin:0;font-weight:500;min-width:0}
@media (min-width:768px){.info{grid-template-columns:1fr 1fr}.info div:nth-last-child(2):nth-child(odd){border-bottom:none}.info div:nth-child(odd){border-right:1px solid var(--line)}}
.map-card{display:grid;gap:16px;border:1px solid var(--line);border-radius:20px;padding:24px;background:var(--surface)}
.map-card .addr{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.map-card .addr .ico{color:var(--accent);margin-top:3px}
.map-links{display:flex;flex-wrap:wrap;gap:8px}

.cta-band{background:var(--night);color:var(--night-ink);position:relative;overflow:hidden;isolation:isolate;padding-block:72px}
.cta-band::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 100% at 80% 50%,rgba(46,98,255,.35),transparent 70%)}
.cta-inner{display:grid;gap:22px;align-items:center}
.cta-inner h2{font-size:clamp(26px,4vw,40px);font-weight:800}
.cta-inner p{color:var(--night-muted);margin-top:8px}
.cta-inner .hero-cta{justify-content:flex-start}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr auto}}
.pf-note{margin-top:16px;font-size:14px;color:var(--muted)}