/* Layout: full-bleed deep-petrol hero band (copy + live thermal-analysis cooling curve), then clean white sections with product photos */
:root{
  --bg:#FFFFFF; --surface:#F4F7F7; --ink:#0F1E21; --muted:#56676B; --line:#DFE7E8;
  --accent:#0B7F86; --accent-ink:#FFFFFF; --brand:#0F2E33;
  --hero-bg:#0D2A2F; --hero-fg:#F1F7F7; --hero-muted:#9DB5B8; --hero-line:#1D4148; --hero-grid:#14353B; --hero-accent:#4FD1C5;
  --scope-bg:#081D21; --scope-line:#1C3D43; --scope-dim:#6E9095; --scope-trace:#FF8A3D; --scope-te:#4FD1C5;
  --f-display:"Gothic A1","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --f-body:"IBM Plex Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#071214; --surface:#0D1D20; --ink:#E4EEEF; --muted:#8FA6A9; --line:#18302F;
  --accent:#3FC1B6; --accent-ink:#061416; --brand:#E4EEEF;
  --hero-bg:#0A2125; --hero-fg:#F1F7F7; --hero-muted:#94ADB0; --hero-line:#1A3A40; --hero-grid:#102C31; --hero-accent:#5FDCD0;
  --scope-bg:#061517; --scope-line:#1A383D; --scope-dim:#6E9095; --scope-trace:#FF9A55; --scope-te:#5FDCD0;
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#071214; --surface:#0D1D20; --ink:#E4EEEF; --muted:#8FA6A9; --line:#18302F;
  --accent:#3FC1B6; --accent-ink:#061416; --brand:#E4EEEF;
  --hero-bg:#0A2125; --hero-fg:#F1F7F7; --hero-muted:#94ADB0; --hero-line:#1A3A40; --hero-grid:#102C31; --hero-accent:#5FDCD0;
  --scope-bg:#061517; --scope-line:#1A383D; --scope-dim:#6E9095; --scope-trace:#FF9A55; --scope-te:#5FDCD0;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{overflow-x:clip}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.7;padding-inline:20px}
.wrap{max-width:1120px;margin-inline:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--hero-bg);color:var(--hero-fg);border-bottom:1px solid var(--hero-line);margin-inline:-20px;padding:14px 20px}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.logo{text-decoration:none;display:flex;align-items:center;gap:12px;color:var(--hero-fg)}
.logo svg{height:28px;width:auto;display:block;fill:currentColor}
.logo .lw{display:flex;flex-direction:column;line-height:1;gap:4px;border-left:1px solid var(--hero-line);padding-left:12px}
.logo .lw b{font-family:"Barlow",var(--f-body);font-weight:600;font-size:16px;letter-spacing:.22em}
.logo .lw small{font-family:var(--f-display);font-weight:800;font-size:10px;letter-spacing:.5em;color:var(--hero-muted)}
nav{display:flex;gap:22px;flex-wrap:wrap;font-size:14px}
nav a{text-decoration:none;color:var(--hero-muted)}
nav a:hover{color:var(--hero-fg)}

/* hero */
.hero-band{background-color:var(--hero-bg);color:var(--hero-fg);margin-inline:calc(50% - 50vw);padding-inline:calc(50vw - 50%);
  background-image:linear-gradient(var(--hero-grid) 1px,transparent 1px),linear-gradient(90deg,var(--hero-grid) 1px,transparent 1px);
  background-size:56px 56px;background-position:center top}
.hero-band .eyebrow{color:var(--hero-accent)}
.hero-band .lead{color:var(--hero-muted)}
.hero-band .btn{border-color:var(--hero-fg)}
.hero-band .btn.primary{border-color:var(--accent)}
.hero-band .clock{color:var(--hero-muted);border-top-color:var(--hero-line)}
.hero-band .clock b{color:var(--hero-fg)}
.hero-band + section{border-top:0}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-block:64px 56px}
.hero > div{min-width:0}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 18px}
h1{font-family:var(--f-display);font-weight:800;font-size:clamp(34px,5.2vw,58px);line-height:1.18;letter-spacing:-.03em;margin:0 0 22px;text-wrap:balance;word-break:keep-all}
.lead{font-size:18px;color:var(--muted);max-width:34em;margin:0 0 30px;word-break:keep-all}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 22px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid var(--ink);border-radius:4px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn:hover{filter:brightness(1.08)}
.clock{margin-top:34px;font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 20px;border-top:1px solid var(--line);padding-top:14px}
.clock b{color:var(--ink);font-weight:500}

.scope{background:var(--scope-bg);border:1px solid var(--hero-line);border-radius:6px;padding:16px;max-width:100%}
.scope svg{display:block;width:100%;height:auto}
.scope-cap{display:flex;justify-content:space-between;font-family:var(--f-mono);font-size:11px;color:var(--scope-dim);letter-spacing:.08em;margin-top:8px;gap:8px;flex-wrap:wrap}
@keyframes blink{50%{opacity:.25}}
.tgt{animation:blink 1.2s steps(2) infinite}
@media (prefers-reduced-motion:reduce){.tgt,.curve-draw{animation:none!important;stroke-dashoffset:0!important}}

/* sections */
section{padding-block:72px;border-top:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:220px 1fr;gap:32px;margin-bottom:40px}
.sec-head > *{min-width:0}
.sec-label{font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding-top:8px}
h2{font-family:var(--f-display);font-weight:800;font-size:clamp(26px,3.4vw,36px);line-height:1.3;letter-spacing:-.02em;margin:0;text-wrap:balance;word-break:keep-all}
.sec-head p{color:var(--muted);margin:12px 0 0;max-width:40em;word-break:keep-all}

.areas{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.area{background:var(--surface);padding:28px 28px 30px;min-width:0}
.area h3{font-size:19px;font-weight:600;margin:0 0 8px}
.area p{margin:0;color:var(--muted);word-break:keep-all}
.area .tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--accent);display:block;margin-bottom:14px}

.refs{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.ref{border:1px solid var(--line);background:var(--surface);padding:28px;min-width:0;display:flex;flex-direction:column;gap:14px}
.ref .client{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--muted)}
.ref h3{font-family:var(--f-display);font-weight:700;font-size:23px;margin:0;line-height:1.35;word-break:keep-all}
.ref p{margin:0;color:var(--muted);word-break:keep-all}
.ref dl{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:6px 0 0;font-size:14px;border-top:1px dashed var(--line);padding-top:14px}
.ref dt{color:var(--muted)}
.ref dd{margin:0}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);border-top:2px solid var(--ink)}
.steps li{padding:18px 18px 4px 0;min-width:0}
.steps .n{font-family:var(--f-mono);font-size:12px;color:var(--accent);display:block;margin-bottom:6px}
.steps h3{font-size:16px;font-weight:600;margin:0 0 6px}
.steps p{margin:0;font-size:14px;color:var(--muted);word-break:keep-all}

.products{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.product{display:grid;grid-template-columns:200px 1fr auto;gap:8px 32px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line)}
.product > *{min-width:0}
.product .name{font-family:var(--f-mono);font-weight:500;font-size:18px;color:var(--ink);overflow-wrap:anywhere}
.product h3{font-size:17px;font-weight:600;margin:0 0 4px;word-break:keep-all}
.product p{margin:0;color:var(--muted);font-size:15px;word-break:keep-all}
.chips{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.chip{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;color:var(--accent);border:1px solid var(--accent);padding:2px 8px;border-radius:2px;white-space:nowrap}

.contact{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact > div{min-width:0}
.info{border:1px solid var(--line);background:var(--surface)}
.row{display:grid;grid-template-columns:90px 1fr auto;gap:12px;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.row .k{font-size:13px;color:var(--muted)}
.row .v{min-width:0;word-break:keep-all;overflow-wrap:anywhere}
.todo{font-family:var(--f-mono);font-size:12px;color:var(--accent);border:1px dashed var(--accent);padding:2px 8px;border-radius:2px}
.copy{font:inherit;font-size:12px;background:none;border:1px solid var(--line);color:var(--muted);padding:4px 10px;cursor:pointer;border-radius:2px}
.copy:hover{color:var(--ink);border-color:var(--ink)}
.cta-box{background:var(--ink);color:var(--bg);padding:32px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.cta-box h3{font-family:var(--f-display);font-size:24px;margin:0;line-height:1.4;word-break:keep-all}
.cta-box p{margin:0;opacity:.8;word-break:keep-all}

footer{border-top:1px solid var(--line);padding-block:28px 40px;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media (max-width:860px){
  .product{grid-template-columns:1fr;gap:6px}
  .chips{justify-content:flex-start}
  .hero{grid-template-columns:1fr;padding-block:40px}
  .sec-head{grid-template-columns:1fr;gap:8px}
  .areas,.refs,.contact{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;border-top:0}
  .steps li{border-top:1px solid var(--line);padding:16px 0}
  nav{gap:16px}
}
@media (max-width:480px){
  nav{gap:12px;font-size:13px}
  .row{grid-template-columns:1fr auto}
  .row .k{grid-column:1/-1}
}

/* ── multi-page additions ── */
nav a[aria-current="page"]{color:var(--hero-fg);box-shadow:inset 0 -2px 0 var(--hero-accent);padding-bottom:4px}
.page-hero{padding-block:56px 48px}
.page-hero h1{font-size:clamp(30px,4.4vw,46px);margin-bottom:12px}
.page-hero .lead{margin-bottom:0}
.more{margin:28px 0 0;font-weight:600;font-size:15px}
.more a{color:var(--accent);text-decoration:none}
.more a:hover{text-decoration:underline}
.group-head{display:flex;align-items:baseline;gap:12px;margin-bottom:28px}
.group-head .count{font-size:13px;color:var(--muted)}
.cta-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:var(--hero-bg);color:var(--hero-fg);padding:36px 40px;border-radius:6px}
.cta-strip > div{min-width:0;flex:1 1 320px}
.cta-strip h2{font-size:clamp(22px,2.6vw,28px)}
.cta-strip p{margin:8px 0 0;color:var(--hero-muted);word-break:keep-all}
.cta-strip .btn.primary{flex:none}
.maps a{color:var(--accent)}
.site-foot{display:block;border-top:1px solid var(--line);padding-block:32px 44px;margin-top:24px}
.site-foot .wrap{display:flex;justify-content:space-between;align-items:flex-start;gap:16px 32px;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:12px;color:var(--brand)}
.foot-brand > span:last-child{color:var(--muted)}
.foot-logo svg{height:18px;width:auto;display:block;fill:currentColor}
.site-foot address{font-style:normal;color:var(--muted);line-height:1.8;word-break:keep-all}
@media (max-width:480px){.cta-strip{padding:28px 22px}}

/* ── Sofnix additions ── */
.logo .word{font-family:"Barlow",var(--f-body);font-weight:600;font-size:24px;letter-spacing:.04em;line-height:1}
.logo .word i{font-style:normal;color:var(--hero-accent)}
.foot-word{font-family:"Barlow",var(--f-body);font-weight:600;font-size:18px;color:var(--brand)}
.foot-word i{font-style:normal;color:var(--accent)}
@keyframes draw{from{stroke-dashoffset:1200}to{stroke-dashoffset:0}}
.curve-draw{stroke-dasharray:1200;animation:draw 3.2s ease-out .2s both}
.readout{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--scope-line);border:1px solid var(--scope-line);margin-top:12px}
.readout div{background:var(--scope-bg);padding:8px 6px;text-align:center;min-width:0}
.readout span{display:block;font-family:var(--f-mono);font-size:10px;letter-spacing:.08em;color:var(--scope-dim)}
.readout b{display:block;font-family:var(--f-mono);font-size:18px;font-weight:500;color:var(--hero-fg);font-variant-numeric:tabular-nums}
.biz{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.biz-card{border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;min-width:0;text-decoration:none;color:inherit}
.biz-card img{display:block;width:100%;aspect-ratio:660/150;object-fit:cover;border-bottom:1px solid var(--line)}
.biz-card .body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.biz-card .tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--accent)}
.biz-card h3{font-family:var(--f-display);font-size:22px;margin:0}
.biz-card p{margin:0;color:var(--muted);word-break:keep-all}
.biz-card .go{margin-top:auto;padding-top:10px;color:var(--accent);font-weight:600;font-size:14px}
.biz-card:hover{border-color:var(--accent)}
.feature{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:center;border:1px solid var(--line);background:var(--surface);padding:32px}
.feature img{display:block;width:100%;max-width:372px;margin-inline:auto}
.feature h3{font-family:var(--f-display);font-size:26px;margin:4px 0 10px;word-break:keep-all}
.feature p{color:var(--muted);margin:0 0 18px;word-break:keep-all}
.feature .kicker{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--accent)}
.ticks{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:6px}
.ticks li{padding-left:18px;position:relative;word-break:keep-all}
.ticks li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--accent)}
.rd{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);border-top:2px solid var(--ink)}
.rd li{padding:16px 16px 16px 0;border-bottom:1px solid var(--line);word-break:keep-all;min-width:0}
.records{width:100%;border-collapse:collapse;font-size:15px}
.records th,.records td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.records thead th{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:500;border-bottom:2px solid var(--ink)}
.records td.d{font-family:var(--f-mono);font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--muted)}
.records td.c{color:var(--muted);white-space:nowrap}
.table-wrap{overflow-x:auto}
.block{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;padding-block:28px;border-top:1px solid var(--line)}
.block:first-child{border-top:0;padding-top:0}
.block h3{font-family:var(--f-display);font-size:20px;margin:0}
.block .eng{display:block;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--accent);margin-top:6px;font-weight:400}
.block figure{margin:16px 0 0}
.block figure img{display:block;width:100%;max-width:660px;border:1px solid var(--line)}
.spec{display:grid;grid-template-columns:auto 1fr;gap:0;border-top:2px solid var(--ink);margin:0}
.spec dt,.spec dd{padding:12px 14px 12px 0;border-bottom:1px solid var(--line);margin:0;word-break:keep-all}
.spec dt{color:var(--muted);white-space:nowrap;padding-right:28px}
.spec dd{font-variant-numeric:tabular-nums}
.dl-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border:1px solid var(--line);background:var(--surface);padding:20px 24px}
.dl-row b{font-size:16px}
.dl-row span{color:var(--muted);font-size:14px}
.partner{border:1px solid var(--line);padding:24px;background:var(--surface)}
.partner h4{margin:0 0 10px;font-size:17px}
.partner p{margin:0;color:var(--muted);line-height:1.9;word-break:keep-all}
.partner a{color:var(--accent)}
.faq{margin:0;border-top:2px solid var(--ink)}
.faq dt{font-weight:600;padding-top:18px;word-break:keep-all}
.faq dt::before{content:"Q. ";color:var(--accent);font-family:var(--f-mono)}
.faq dd{margin:6px 0 0;padding-bottom:18px;border-bottom:1px solid var(--line);color:var(--muted);word-break:keep-all}
.history{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.history li{display:grid;grid-template-columns:90px 1fr;gap:12px;padding:10px 0 10px 20px;position:relative}
.history li::before{content:"";position:absolute;left:-6px;top:18px;width:10px;height:10px;border-radius:50%;background:var(--bg);border:2px solid var(--accent)}
.history .y{font-family:var(--f-mono);color:var(--muted);font-variant-numeric:tabular-nums}
.sim-note{border:1px dashed var(--line);padding:20px 24px;color:var(--muted)}
.sim-note a{color:var(--accent);font-weight:600}
@media (max-width:860px){
  .biz,.rd{grid-template-columns:1fr}
  .feature{grid-template-columns:1fr;padding:24px}
  .block{grid-template-columns:1fr;gap:12px}
  .readout b{font-size:15px}
}
@media (max-width:480px){
  .records th:nth-child(4),.records td:nth-child(4){display:none}
  .records td.c{white-space:normal}
}
.more-inline{color:var(--accent);font-weight:600}
.logo .lw-k{justify-content:center}.logo .lw-k small{font-size:12px;letter-spacing:.35em;color:var(--hero-muted)}