/* COREON homepage — Enterprise v3 visual layer (2026-10-03)
   Loaded last on / and /en/. Navy + teal brand, one accent, neutral surfaces, Pretendard.
   Copy and claims are unchanged; this layer only changes presentation and adds a mobile menu. */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css");

html.ent{
  --e-ink:#0A1A2F; --e-navy:#0C2440; --e-navy2:#123457; --e-teal:#0B7F7A; --e-teal-d:#086661; --e-teal-l:#5ED0C4;
  --e-text:#1A2738; --e-muted:#5B6878; --e-faint:#8A95A3; --e-line:#E1E6EC; --e-bg:#F5F7FA; --e-surface:#FFFFFF;
  --e-r:14px; --e-r-lg:20px; --e-shadow:0 1px 2px rgba(10,26,47,.06),0 8px 24px rgba(10,26,47,.06);
  --e-font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR","Apple SD Gothic Neo",sans-serif;
  scroll-padding-top:80px;
}
html.ent body{font-family:var(--e-font);color:var(--e-text);background:var(--e-surface);font-size:17px;line-height:1.6;font-feature-settings:"tnum" 0}
html.ent .w{width:min(1200px,calc(100% - clamp(32px,6vw,96px)))}

/* Header */
html.ent .header{background:rgba(255,255,255,.92);border-bottom:1px solid var(--e-line);box-shadow:none}
html.ent .nav{min-height:72px;gap:24px}
html.ent .brand{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--e-ink)}
html.ent .brand img{width:38px;height:38px}
html.ent .brand small{font-size:11px;font-weight:600;color:var(--e-muted)}
html.ent .links{gap:22px;font-size:14px;font-weight:600;color:var(--e-muted)}
html.ent .links a{padding:6px 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
html.ent .links a:hover{color:var(--e-ink);border-bottom-color:var(--e-teal)}
html.ent .pill{font-size:13px;font-weight:600;padding:9px 14px;border-radius:10px;border-color:var(--e-line);color:var(--e-ink);background:#fff}
html.ent .pill:hover{border-color:#C5CED8}
html.ent .pill.dark{background:var(--e-ink);border-color:var(--e-ink);color:#fff}
html.ent .pill.dark:hover{background:var(--e-navy2)}
html.ent .menu-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--e-line);border-radius:10px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
html.ent .menu-toggle span,html.ent .menu-toggle span:before,html.ent .menu-toggle span:after{display:block;width:18px;height:2px;background:var(--e-ink);border-radius:2px;position:relative;content:"";transition:transform .2s}
html.ent .menu-toggle span:before{position:absolute;top:-6px}
html.ent .menu-toggle span:after{position:absolute;top:6px}
html.ent .header.open .menu-toggle span{background:transparent}
html.ent .header.open .menu-toggle span:before{transform:translateY(6px) rotate(45deg)}
html.ent .header.open .menu-toggle span:after{transform:translateY(-6px) rotate(-45deg)}

/* Typography */
html.ent h1,html.ent h2,html.ent h3{font-family:var(--e-font);color:inherit;text-wrap:balance}
html.ent .head{max-width:820px;margin-bottom:40px}
html.ent .k{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--e-teal);margin-bottom:14px}
html.ent .head h2,html.ent .cta-band h2{font-size:clamp(30px,3.3vw,44px);line-height:1.22;letter-spacing:-.03em;font-weight:750;margin:0 0 16px;color:var(--e-ink)}
html.ent .head p{font-size:17px;line-height:1.75;color:var(--e-muted);max-width:760px;margin:0}
html.ent h3{letter-spacing:-.02em;font-weight:700}

/* Section rhythm */
html.ent main>section{padding:clamp(72px,8vw,112px) 0;background:var(--e-surface);color:var(--e-text)}
html.ent main>section.soft,html.ent main>section.role-story,html.ent main>section.sector-showcase,html.ent main>section.assurance,html.ent main>section#delivery-proof{background:var(--e-bg)}
html.ent main>section#trust{background:var(--e-surface)}
html.ent main>section.signal-story{background:var(--e-surface);color:var(--e-text)}
html.ent .signal-story .head h2,html.ent .signal-story .head p{color:inherit}
html.ent .signal-story .head p{color:var(--e-muted)}

/* Hero */
html.ent .hero{color:#fff;background:linear-gradient(160deg,#081629 0%,#0C2440 55%,#0F3354 100%);padding:0}
html.ent .hero:before{background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px}
html.ent .hero:after{display:none}
html.ent .hg{min-height:auto;padding:clamp(72px,8vw,120px) 0 clamp(64px,7vw,104px);grid-template-columns:minmax(0,1fr) minmax(420px,1.05fr);gap:clamp(40px,5vw,72px)}
html.ent .badge{background:rgba(94,208,196,.12);color:var(--e-teal-l);border:1px solid rgba(94,208,196,.35);font-size:12px;font-weight:700;letter-spacing:.08em;padding:7px 12px;border-radius:8px}
html.ent .hero h1{font-size:clamp(38px,4.6vw,64px);line-height:1.14;letter-spacing:-.035em;font-weight:800;margin:22px 0 22px;color:#fff}
html.ent .hero h1 em{display:block;font-style:normal;color:var(--e-teal-l)}
html.ent .lead{font-size:clamp(17px,1.35vw,19px);line-height:1.75;color:#C9D6E3;max-width:600px}
html.ent .lead strong{color:#fff;font-weight:650}
html.ent .ctas{gap:10px;margin-top:32px}
html.ent .btn{min-height:50px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:650;box-shadow:none;transition:background .15s,border-color .15s,color .15s}
html.ent .btn.primary{background:var(--e-teal);color:#fff;border:1px solid var(--e-teal)}
html.ent .btn.primary:hover{background:var(--e-teal-d);border-color:var(--e-teal-d)}
html.ent .hero .btn.light{background:#fff;color:var(--e-ink);border:1px solid #fff}
html.ent .hero .btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
html.ent .hero .btn.ghost:hover{border-color:#fff}
html.ent .proof{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
html.ent .proof span{background:rgba(255,255,255,.06);color:#DCE6EF;border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:6px 11px;font-size:13px;font-weight:600;box-shadow:none}
html.ent .hero .visual{position:relative}
html.ent .hero .visual img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 80px rgba(0,0,0,.35)}

/* Signal story */
html.ent .signal-source{border-radius:var(--e-r);overflow:hidden}
html.ent .signal-source small,html.ent .sector-content small{letter-spacing:.1em;font-weight:700}
html.ent .event-receipt{background:var(--e-ink);color:#fff;border-radius:var(--e-r);border:0;box-shadow:var(--e-shadow)}
html.ent .event-receipt small{color:var(--e-teal-l)}
html.ent .event-receipt h3{color:#fff}
html.ent .receipt-tags span{background:rgba(255,255,255,.08);color:#DCE6EF;border:1px solid rgba(255,255,255,.18)}
html.ent .receipt-meta,html.ent .receipt-state{color:#C9D6E3}
html.ent .tech-line{color:var(--e-muted)}
html.ent .verified-loop{color:var(--e-text)}
html.ent .loop-step{color:var(--e-text)}
html.ent .loop-step:before{background:var(--e-teal)}
html.ent .loop-step:last-child:before{background:var(--e-ink)}

/* Cards (shared) */
html.ent .story-card,html.ent .source,html.ent .delivery-card,html.ent .policy,html.ent .assurance-board,html.ent .company,html.ent .role-item{background:var(--e-surface);border:1px solid var(--e-line);border-radius:var(--e-r-lg);box-shadow:none}
html.ent .story-card:before,html.ent .delivery-card:before,html.ent .delivery-card:after,html.ent .story-card:after{display:none}
html.ent .story-card small{color:var(--e-teal);letter-spacing:.1em;font-weight:700}
html.ent .story-card h3,html.ent .source h3,html.ent .delivery-card h3{color:var(--e-ink)}
html.ent .story-card p,html.ent .source p,html.ent .delivery-card p{color:var(--e-muted)}
html.ent .story-card.plan{background:var(--e-ink);border-color:var(--e-ink)}
html.ent .story-card.plan h3{color:#fff}
html.ent .story-card.plan p{color:#C9D6E3}
html.ent .story-card.plan small{color:var(--e-teal-l)}
html.ent .source-tag{background:#E8F4F3;color:var(--e-teal-d);border-radius:6px;font-weight:700;letter-spacing:.06em}
html.ent .delivery-boundary{background:#F7F8FA;border-left:3px solid var(--e-faint);color:var(--e-muted);border-radius:8px}
html.ent .assurance-note{background:#EEF6F5;border-left:3px solid var(--e-teal);color:var(--e-text);border-radius:8px}

/* Role story */
html.ent .role-product img{border-radius:var(--e-r);border:1px solid var(--e-line);box-shadow:var(--e-shadow)}
html.ent .role-item{padding:16px 18px}
html.ent .role-item i{background:var(--e-teal)}
html.ent .role-item:last-child i{background:var(--e-ink)}
html.ent .role-item b{color:var(--e-ink)}
html.ent .role-item span{color:var(--e-muted)}
html.ent .role-chain{background:var(--e-ink);color:#fff;border-radius:12px}

/* Closure */
html.ent .closure{background:var(--e-ink);border-radius:var(--e-r-lg);color:#fff}
html.ent .closure h3{color:#fff}
html.ent .closure-list div{border-color:rgba(255,255,255,.1)}
html.ent .closure-list b{color:var(--e-teal-l);font-variant-numeric:tabular-nums}
html.ent .closure-list span{color:#E3EAF1}
html.ent .policy h3{color:var(--e-ink)}
html.ent .policy p{color:var(--e-muted)}
html.ent .policy blockquote{border-left:3px solid var(--e-teal);background:#F4F8F8;color:var(--e-ink)}
html.ent .human{background:#E8F4F3;color:var(--e-teal-d)}

/* Executive */
html.ent main>section.dark{background:var(--e-ink);color:#fff}
html.ent .dark .head h2{color:#fff}
html.ent .dark .head p{color:#B9C7D6}
html.ent .dark .k{color:var(--e-teal-l)}
html.ent .metric{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--e-r);box-shadow:none}
html.ent .metric b{color:#fff}
html.ent .metric span{color:#A9B8C8}

/* Sectors */
html.ent .sector-card{border-radius:var(--e-r-lg);overflow:hidden;box-shadow:none}
html.ent .sector-content small{background:rgba(10,26,47,.55);border:1px solid rgba(94,208,196,.45);color:var(--e-teal-l)}
html.ent .sector-loop{background:var(--e-ink);border-radius:12px}
html.ent .sector-loop b{color:var(--e-teal-l)}

/* Inputs */
html.ent .integration-tech span{background:#fff;border:1px solid var(--e-line);color:var(--e-ink);border-radius:8px;font-weight:600}

/* Assurance */
html.ent .boundary{background:var(--e-ink);color:#fff;border-radius:var(--e-r-lg)}
html.ent .boundary h3{color:#fff}
html.ent .boundary li{color:#D5DFE9}
html.ent .assurance-board h3{color:var(--e-ink)}
html.ent .assurance-board li{color:var(--e-muted)}
html.ent .assurance-board li strong{color:var(--e-ink)}

/* IP band + CTA */
html.ent .ip-band{background:var(--e-navy);border-radius:var(--e-r-lg);color:#fff}
html.ent .ip-band .k{color:var(--e-teal-l)}
html.ent .ip-band h3{color:#fff}
html.ent .ip-band p{color:#B9C7D6}
html.ent .ip-band a{background:#fff;color:var(--e-ink);border-radius:10px;font-weight:650}
html.ent .cta-band{background:var(--e-bg);border:1px solid var(--e-line);border-radius:var(--e-r-lg);box-shadow:none}
html.ent .cta-band p{color:var(--e-muted)}
html.ent .cta-band .btn.light{background:#fff;color:var(--e-ink);border:1px solid var(--e-line)}
html.ent .cta-band .btn.light:hover{border-color:#C5CED8}

/* Company & footer */
html.ent .company b,html.ent .company strong{color:var(--e-ink)}
html.ent .profile-downloads a{border-radius:8px;border:1px solid var(--e-line);font-weight:600}
html.ent footer,html.ent .foot{background:var(--e-ink);color:#B9C7D6}

/* Accessibility */
html.ent a:focus-visible,html.ent button:focus-visible{outline:2px solid var(--e-teal);outline-offset:3px;border-radius:6px}
@media (prefers-reduced-motion:reduce){html.ent *{transition:none!important;scroll-behavior:auto!important}}

/* Responsive */
@media (max-width:1100px){
  html.ent .hg{grid-template-columns:1fr}
  html.ent .hero .visual{max-width:760px}
}
@media (max-width:980px){
  html.ent .menu-toggle{display:inline-flex}
  html.ent .nav{flex-wrap:wrap;gap:12px;min-height:64px}
  html.ent .links,html.ent .actions{display:none}
  html.ent .header.open .links{display:flex;flex-direction:column;gap:0;width:100%;margin:0;padding:6px 0 4px;border-top:1px solid var(--e-line);order:3}
  html.ent .header.open .links a{padding:13px 2px;font-size:16px;color:var(--e-ink);border-bottom:1px solid var(--e-line)}
  html.ent .header.open .actions{display:flex;flex-wrap:wrap;width:100%;margin:0 0 14px;order:4}
  html.ent .header.open .actions .pill{flex:1;text-align:center;padding:12px}
}
@media (max-width:640px){
  html.ent body{font-size:16px}
  html.ent main>section{padding:64px 0}
  html.ent .hero h1{font-size:clamp(32px,9vw,40px)}
  html.ent .ctas .btn{width:100%}
  html.ent .head{margin-bottom:28px}
}

/* v3 fixes after visual review */
html.ent .signal-source h3,html.ent .sector-card h3,html.ent .sector-content h3{color:#fff}
html.ent .sector-content p{color:#DCE6EF}
html.ent main>section#safety-ip{padding:24px 0 8px}
html.ent main>section#safety-ip+section{padding-top:48px}
html.ent .links a,html.ent .brand small,html.ent .pill{white-space:nowrap}
@media (max-width:1380px){
  html.ent .menu-toggle{display:inline-flex}
  html.ent .nav{flex-wrap:wrap;gap:12px;min-height:64px}
  html.ent .links,html.ent .actions{display:none}
  html.ent .header.open .links{display:flex;flex-direction:column;gap:0;width:100%;margin:0;padding:6px 0 4px;border-top:1px solid var(--e-line);order:3}
  html.ent .header.open .links a{padding:13px 2px;font-size:16px;color:var(--e-ink);border-bottom:1px solid var(--e-line)}
  html.ent .header.open .actions{display:flex;flex-wrap:wrap;gap:8px;width:100%;margin:0 0 14px;order:4}
  html.ent .header.open .actions .pill{display:inline-flex!important;justify-content:center;flex:1 1 30%;text-align:center;padding:12px}
}
html.ent .header .w{width:min(1360px,calc(100% - clamp(32px,4vw,64px)))}
html.ent .links{gap:18px;margin-left:8px}

/* SEO FAQ (2026-10-03) — visible content matching FAQPage structured data */
html.ent main>section.faq-home{background:var(--e-bg)}
html.ent .faq-list{display:grid;gap:10px;max-width:900px}
html.ent .faq-item{background:#fff;border:1px solid var(--e-line);border-radius:12px;padding:0 20px}
html.ent .faq-item summary{cursor:pointer;list-style:none;padding:18px 28px 18px 0;font-weight:700;color:var(--e-ink);position:relative}
html.ent .faq-item summary::-webkit-details-marker{display:none}
html.ent .faq-item summary:after{content:"+";position:absolute;right:0;top:16px;font-size:20px;color:var(--e-teal);font-weight:600}
html.ent .faq-item[open] summary:after{content:"−"}
html.ent .faq-item p{margin:0 0 18px;color:var(--e-muted);line-height:1.75}
html.ent .faq-home .head a{color:var(--e-teal);text-decoration:underline}