:root{--bg:#f7f8fa;--surface:#fff;--text:#111318;--muted:#646b76;--line:#e6e8ec;--accent:#2563eb;--accent-dark:#1d4ed8;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--text);background:var(--bg);margin:0;font-family:Arial,Noto Sans KR,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.siteHeader{z-index:20;max-width:var(--max);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f7f8faeb;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;margin:0 auto;padding:18px 24px;display:grid;position:sticky;top:0}.brand,.footerBrand{letter-spacing:-.04em;font-size:28px;font-weight:900}.nav{color:#444b55;gap:28px;font-size:14px;display:flex}.headerButton{background:#fff;border:1px solid #d8dce3;border-radius:12px;justify-self:end;padding:10px 18px;font-weight:700}.hero{max-width:var(--max);margin:0 auto;padding:120px 24px 130px}.eyebrow,.sectionLabel{color:var(--accent);letter-spacing:.16em;font-size:12px;font-weight:800}.hero h1{letter-spacing:-.055em;max-width:820px;margin:18px 0 24px;font-size:clamp(44px,7vw,80px);line-height:1.08}.hero p,.sectionLead{max-width:700px;color:var(--muted);font-size:18px}.heroActions{flex-wrap:wrap;gap:12px;margin-top:36px;display:flex}.primaryButton,.secondaryButton{border-radius:13px;justify-content:center;align-items:center;min-height:50px;padding:0 22px;font-weight:800;display:inline-flex}.primaryButton{color:#fff;background:var(--accent)}.primaryButton:hover{background:var(--accent-dark)}.secondaryButton{border:1px solid var(--line);background:#fff}.section{max-width:var(--max);margin:0 auto;padding:100px 24px}.section h2,.ctaSection h2{letter-spacing:-.04em;margin:10px 0 18px;font-size:clamp(32px,4vw,52px);line-height:1.15}.featureGrid{grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px;display:grid}.card,.supportCard,.metricBox{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px}.card h3{margin:0 0 12px;font-size:22px}.card p{color:var(--muted);margin:0}.alt{color:#fff;max-width:none;padding-left:max(24px, calc((100vw - var(--max))/2 + 24px));padding-right:max(24px, calc((100vw - var(--max))/2 + 24px));background:#111318}.alt .sectionLabel{color:#7aa2ff}.aboutGrid{grid-template-columns:1.3fr .7fr;align-items:stretch;gap:20px;display:grid}.aboutGrid p{color:#c5c9d1;max-width:720px;font-size:20px}.metricBox{background:#1b1f27;border-color:#2a2f39;flex-direction:column;justify-content:center;display:flex}.metricBox strong{font-size:34px}.metricBox span{color:#aeb5c0}.supportGrid{grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px;display:grid}.supportCard{flex-direction:column;gap:8px;display:flex}.supportCard span{color:var(--muted);font-size:14px}.faqList{border-top:1px solid var(--line);margin-top:48px}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;font-weight:800}details p{color:var(--muted);margin:12px 0 0}.ctaSection{max-width:var(--max);border-top:1px solid var(--line);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:30px;margin:30px auto 100px;padding:50px 24px;display:flex}.ctaSection p{color:var(--muted);margin:0}.footer{max-width:var(--max);border-top:1px solid var(--line);color:var(--muted);margin:0 auto;padding:50px 24px 60px}.footerBrand{color:var(--text)}.footer p{margin:6px 0 24px}.footerLinks{flex-wrap:wrap;gap:18px;font-size:14px;display:flex}.copyright{margin-top:30px;font-size:13px}@media (max-width:900px){.siteHeader{grid-template-columns:1fr auto}.nav{display:none}.featureGrid{grid-template-columns:repeat(2,1fr)}.aboutGrid,.supportGrid{grid-template-columns:1fr}}@media (max-width:620px){.siteHeader{padding:14px 18px}.brand{font-size:24px}.headerButton{padding:9px 14px;font-size:14px}.hero{padding:82px 20px 90px}.hero p,.sectionLead{font-size:16px}.section{padding:72px 20px}.featureGrid{grid-template-columns:1fr}.ctaSection{flex-direction:column;align-items:flex-start;margin-bottom:60px;padding:40px 20px}.footer{padding:40px 20px 50px}}