:root {
  --ink: #10213a;
  --ink-soft: #33445d;
  --muted: #657187;
  --paper: #fffefb;
  --ivory: #f6f3eb;
  --blue-wash: #edf4ff;
  --line: rgba(16, 33, 58, .13);
  --blue: #245ee8;
  --blue-deep: #123d9c;
  --coral: #f05a3d;
  --mint: #b9eadb;
  --yellow: #f5d36b;
  --radius: 28px;
  --shadow: 0 24px 70px rgba(16, 33, 58, .11);
  --max: 1240px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
button { color: inherit; }
.wrap { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 10px 16px; background: var(--ink); color: white; transform: translateY(-150%); border-radius: 99px; }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(255, 254, 251, .86);
  backdrop-filter: blur(18px);
  transition: box-shadow .25s ease, border-color .25s ease;
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 10px 35px rgba(16,33,58,.07); }
.site-header > .wrap { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.logo { display: inline-flex; align-items: baseline; gap: 7px; font-size: 17px; font-weight: 900; letter-spacing: -.025em; white-space: nowrap; }
.logo::before { content: ""; width: 12px; height: 12px; border: 4px solid var(--blue); border-radius: 50%; box-shadow: 8px -8px 0 -5px var(--coral); margin-right: 2px; }
.logo .pipe { color: #aab1bd; font-weight: 400; }
.logo .coral { color: var(--coral); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link, .nav-trigger { display: inline-flex; align-items: center; gap: 6px; padding: 11px 13px; border: 0; background: transparent; font-size: 14px; font-weight: 720; cursor: pointer; border-radius: 99px; }
.nav-link:hover, .nav-trigger:hover, .nav-trigger[aria-expanded="true"] { background: var(--blue-wash); color: var(--blue-deep); }
.chev { font-size: 10px; opacity: .65; }
.nav-cta { margin-left: 10px; padding: 12px 18px; background: var(--ink); color: white; font-size: 13px; font-weight: 800; border-radius: 99px; box-shadow: 0 8px 24px rgba(16,33,58,.16); transition: transform .2s ease, background .2s ease; }
.nav-cta:hover { transform: translateY(-2px); background: var(--blue); }
.menu-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line); background: white; border-radius: 50%; cursor: pointer; }

.mega-panel { position: absolute; top: calc(100% + 17px); left: 50%; width: min(790px, calc(100vw - 48px)); padding: 25px; border: 1px solid var(--line); background: rgba(255,255,255,.98); border-radius: 24px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translate(-40%, 10px); transition: .2s var(--ease); }
.mega-panel-wide { width: min(1080px, calc(100vw - 48px)); transform: translate(-62%, 10px); }
.nav-trigger[aria-expanded="true"] + .mega-panel { opacity: 1; visibility: visible; transform: translate(-40%, 0); }
.nav-trigger[aria-expanded="true"] + .mega-panel-wide { transform: translate(-62%, 0); }
.mega-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.mega-grid-4 { grid-template-columns: repeat(4, 1fr); }
.mega-col h4 { margin: 0 0 12px; color: var(--blue); font-size: 11px; text-transform: uppercase; letter-spacing: .14em; }
.mega-col ul { margin: 0; padding: 0; list-style: none; }
.mega-col li + li { margin-top: 4px; }
.mega-col a { display: block; padding: 5px 0; color: var(--ink-soft); font-size: 13px; line-height: 1.35; }
.mega-col a:hover { color: var(--blue); }
.mega-view-all { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; font-weight: 800; color: var(--blue); }

.hero { position: relative; overflow: hidden; padding: 86px 0 54px; background: radial-gradient(circle at 85% 15%, rgba(185,234,219,.8), transparent 25%), radial-gradient(circle at 68% 72%, rgba(36,94,232,.12), transparent 27%), var(--ivory); }
.hero::after { content: "서울 · SEO · LOCAL"; position: absolute; right: -42px; bottom: 24px; writing-mode: vertical-rl; color: rgba(16,33,58,.1); font-weight: 900; letter-spacing: .25em; font-size: 13px; }
.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 24px; }
.hero-copy { grid-column: 1 / span 7; align-self: center; min-width: 0; padding: 26px 0 40px; }
.hero-art { grid-column: 8 / -1; position: relative; align-self: stretch; min-width: 0; min-height: 560px; }
.hero-art::before { content: "K"; position: absolute; z-index: 2; top: -42px; left: -38px; font-size: clamp(110px, 13vw, 210px); line-height: 1; font-weight: 950; color: white; text-shadow: 0 10px 45px rgba(16,33,58,.12); }
.hero-art::after { content: "Global insight / Korean precision"; position: absolute; z-index: 3; right: -18px; bottom: 22px; padding: 13px 18px; background: var(--coral); color: white; font-size: 11px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; transform: rotate(-4deg); }
.hero-art img { width: 100%; height: 100%; min-height: 560px; object-fit: cover; border-radius: 180px 28px 180px 28px; box-shadow: var(--shadow); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 20px; color: var(--blue); font-size: 12px; line-height: 1.3; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 27px; height: 2px; background: var(--coral); }
h1, h2, h3, h4 { margin-top: 0; line-height: 1.05; letter-spacing: -.045em; }
h1 { max-width: 820px; margin-bottom: 26px; font-size: clamp(52px, 6.2vw, 92px); font-weight: 900; overflow-wrap: anywhere; }
h2 { font-size: clamp(36px, 4.4vw, 64px); font-weight: 880; }
h3 { font-size: clamp(23px, 2.3vw, 32px); font-weight: 820; }
.hero-copy > p:not(.eyebrow) { max-width: 720px; color: var(--ink-soft); font-size: 19px; line-height: 1.65; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 13px 22px; border: 1px solid var(--line); border-radius: 99px; font-size: 14px; font-weight: 850; transition: transform .2s var(--ease), box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(16,33,58,.13); }
.btn-primary { border-color: var(--blue); background: var(--blue); color: white; }
.btn-outline { background: rgba(255,255,255,.72); }
.trust-strip { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4,1fr); margin-top: 32px; border: 1px solid var(--line); background: rgba(255,255,255,.7); border-radius: 20px; overflow: hidden; }
.trust-strip span { padding: 16px 18px; text-align: center; color: var(--ink-soft); font-size: 11px; font-weight: 850; letter-spacing: .08em; }
.trust-strip span + span { border-left: 1px solid var(--line); }

section { padding: 112px 0; }
.bg-stone { background: var(--ivory); }
.bg-ivory { background: #fbf8f0; }
.bg-pale-blue { background: var(--blue-wash); }
.section-head { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr); gap: 64px; align-items: end; margin-bottom: 55px; }
.section-head .eyebrow { grid-column: 1 / -1; margin-bottom: -20px; }
.section-head h2 { margin: 0; }
.section-head > p:not(.eyebrow) { margin: 0; color: var(--muted); }
.help-grid, .hub-featured { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.help-panel, .feature-tile { position: relative; min-height: 300px; padding: 30px; border: 1px solid var(--line); background: rgba(255,255,255,.86); border-radius: var(--radius); overflow: hidden; transition: transform .3s var(--ease), box-shadow .3s ease; }
.help-panel::after, .feature-tile::after { content: "↗"; position: absolute; right: 22px; bottom: 17px; color: var(--coral); font-size: 28px; }
.help-panel:nth-child(2), .feature-tile:nth-child(2) { transform: translateY(28px); }
.help-panel:nth-child(3), .feature-tile:nth-child(3) { background: var(--ink); color: white; }
.help-panel:hover, .feature-tile:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.help-panel:nth-child(2):hover, .feature-tile:nth-child(2):hover { transform: translateY(19px); }
.help-panel p, .feature-tile p { color: inherit; opacity: .72; }
.card-eyebrow, .tag { display: inline-block; margin-bottom: 22px; padding: 7px 11px; border: 1px solid currentColor; border-radius: 99px; color: var(--blue); font-size: 10px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.hub-layout { display: grid; grid-template-columns: 1fr; gap: 48px; }
.hub-index { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.hub-index-wrap { margin-top: 56px; }
.index-group { padding-top: 20px; border-top: 2px solid var(--ink); }
.index-group-label { margin-bottom: 18px; color: var(--blue); font-size: 11px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.index-list { list-style: none; margin: 0; padding: 0; }
.index-list li { border-bottom: 1px solid var(--line); }
.index-list a { display: flex; justify-content: space-between; gap: 10px; padding: 12px 0; color: var(--ink-soft); font-size: 14px; font-weight: 680; }
.index-list a:hover { padding-left: 7px; color: var(--blue); }
.approach-rail { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); }
.approach-step { padding: 34px 25px; border-left: 1px solid var(--line); }
.approach-step:last-child { border-right: 1px solid var(--line); }
.step-index { display: block; margin-bottom: 55px; color: var(--coral); font-size: 13px; font-weight: 900; }
.ecosystem-table { width: 100%; border-collapse: collapse; overflow: hidden; background: white; border-radius: 24px; box-shadow: 0 15px 45px rgba(16,33,58,.07); }
.ecosystem-table th, .ecosystem-table td { padding: 22px 25px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.ecosystem-table th { background: var(--ink); color: white; font-size: 11px; letter-spacing: .1em; }
.ecosystem-table td:first-child { color: var(--blue); font-weight: 900; }

.breadcrumb { padding-top: 26px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 12px; font-weight: 700; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #b1b8c4; }
.breadcrumb a:hover { color: var(--blue); }
body.page-service main > article:first-child,
body.page-industry main > article:first-child,
body.page-insight main > article:first-child,
body.page-legal main > article:first-child,
main > article.wrap[style] {
  position: relative;
  width: min(var(--max), calc(100% - 48px));
  margin-top: 38px;
  padding: 72px 7% 78px !important;
  border: 1px solid var(--line);
  border-radius: 40px;
  overflow: hidden;
  background: linear-gradient(135deg, #fff 0 65%, var(--blue-wash) 65% 100%);
}
body.page-industry main > article:first-child { background: linear-gradient(135deg, #fff 0 65%, #edf8f4 65% 100%); }
body.page-insight main > article:first-child { background: linear-gradient(135deg, #fff 0 65%, #fff3e8 65% 100%); }
body.page-service main > article:first-child::after,
body.page-industry main > article:first-child::after,
body.page-insight main > article:first-child::after,
main > article.wrap[style]::after { content: "KR"; position: absolute; right: 3%; bottom: -9%; color: rgba(36,94,232,.08); font-size: clamp(120px, 18vw, 240px); line-height: .8; font-weight: 950; letter-spacing: -.1em; }
main > article.wrap h1 { position: relative; z-index: 1; max-width: 950px; margin-bottom: 25px; font-size: clamp(45px, 5.5vw, 78px); }
.lead-text, .lede { position: relative; z-index: 1; max-width: 810px; margin: 0; color: var(--ink-soft); font-size: clamp(18px, 2vw, 23px); line-height: 1.6; }
.article-body { max-width: 900px; margin: 0 auto; color: var(--ink-soft); }
.article-body > h2 { margin-top: 90px; margin-bottom: 26px; padding-top: 28px; border-top: 1px solid var(--line); color: var(--ink); font-size: clamp(34px, 4vw, 52px); }
.article-body > h2:first-child { margin-top: 0; }
.article-body h3 { margin-top: 45px; color: var(--ink); }
.article-body p { margin: 0 0 22px; }
.article-body ul, .article-body ol { margin: 24px 0 34px; padding: 28px 32px 28px 52px; background: var(--ivory); border-radius: 22px; }
.article-body li + li { margin-top: 11px; }
.article-body strong { color: var(--ink); }
.deliverables { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; padding: 0 !important; background: transparent !important; list-style: none; }
.deliverables li { position: relative; margin: 0 !important; padding: 18px 20px 18px 48px; border: 1px solid var(--line); background: white; border-radius: 16px; color: var(--ink); font-weight: 720; }
.deliverables li::before { content: "✓"; position: absolute; left: 18px; top: 17px; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; background: var(--mint); color: var(--ink); font-size: 12px; }
.key-takeaway { margin: 40px 0; padding: 30px 34px; border-left: 5px solid var(--coral); background: #fff5ee; border-radius: 0 20px 20px 0; color: var(--ink); }
.insight-layout { display: grid; grid-template-columns: 235px minmax(0, 800px); gap: 70px; align-items: start; justify-content: center; }
.insight-toc { position: sticky; top: 120px; padding: 22px; border: 1px solid var(--line); background: white; border-radius: 18px; font-size: 13px; }
.insight-toc ul { margin: 12px 0 0; padding: 0; list-style: none; }
.insight-toc li + li { margin-top: 9px; }
.insight-toc a { color: var(--muted); }
.insight-toc a:hover { color: var(--blue); }
.faq-list { max-width: 940px; margin: 0 auto; }
.faq-item { padding: 0; border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary { position: relative; padding: 25px 56px 25px 0; cursor: pointer; list-style: none; font-family: var(--font-display); font-size: clamp(21px, 2.2vw, 28px); font-weight: 700; line-height: 1.2; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; top: 50%; right: 8px; width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; transform: translateY(-50%); color: var(--coral); font: 500 24px/1 var(--font-body); transition: transform .2s ease, background-color .2s ease; }
.faq-item[open] summary::after { content: "−"; transform: translateY(-50%) rotate(180deg); background: var(--paper); }
.faq-item summary:focus-visible { outline: 3px solid var(--coral); outline-offset: 5px; border-radius: 2px; }
.faq-item .faq-answer { padding: 0 56px 26px 0; }
.faq-item p { max-width: 820px; margin: 0; color: var(--muted); }
@media (max-width: 640px) {
  .faq-item summary { padding: 21px 48px 21px 0; }
  .faq-item .faq-answer { padding: 0 8px 22px 0; }
}
.related-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.related-links a { min-height: 130px; display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; padding: 22px; border: 1px solid var(--line); background: white; border-radius: 20px; font-weight: 800; transition: .25s var(--ease); }
.related-links a:hover { transform: translateY(-5px); border-color: var(--blue); color: var(--blue); box-shadow: 0 15px 35px rgba(16,33,58,.08); }
.cta-band { position: relative; overflow: hidden; padding: 88px max(24px, calc((100vw - var(--max))/2)); background: var(--ink); color: white; }
.cta-band::before { content: "SWIN"; position: absolute; right: -15px; bottom: -55px; color: rgba(255,255,255,.045); font-size: clamp(150px, 25vw, 350px); font-weight: 950; line-height: 1; letter-spacing: -.09em; }
.cta-band h2, .cta-band p, .cta-band .btn { position: relative; z-index: 1; }
.cta-band p { max-width: 700px; color: rgba(255,255,255,.7); }
.cta-band .btn { margin-top: 18px; background: var(--coral); border-color: var(--coral); color: white; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.contact-links { display: grid; gap: 12px; margin: 30px 0; }
.contact-links > * { padding: 17px 0; border-bottom: 1px solid var(--line); }
.checklist { padding: 30px 34px; background: white; border-radius: 24px; box-shadow: 0 18px 50px rgba(16,33,58,.08); }

.site-footer { padding: 76px 0 24px; background: #0b1729; color: white; }
.footer-grid { display: grid; grid-template-columns: 1.1fr 2fr; gap: 70px; }
.footer-brand p { color: rgba(255,255,255,.62); font-size: 14px; }
.footer-cols { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.footer-col h4 { color: var(--mint); font-size: 11px; letter-spacing: .12em; }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links li + li { margin-top: 8px; }
.footer-links a { color: rgba(255,255,255,.66); font-size: 12px; line-height: 1.35; }
.footer-links a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 55px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.48); font-size: 12px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }

@media (max-width: 1024px) {
  .menu-toggle { display: grid; place-items: center; }
  .main-nav { display: none; position: fixed; inset: 82px 18px auto; max-height: calc(100vh - 105px); overflow: auto; padding: 18px; background: white; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); }
  .main-nav.is-open { display: block; }
  .nav-item, .nav-link, .nav-trigger { width: 100%; }
  .nav-link, .nav-trigger { justify-content: space-between; padding: 13px 10px; }
  .nav-cta { display: flex; margin: 15px 0 0; text-align: center; justify-content: center; }
  .mega-panel, .mega-panel-wide { position: static; display: none; width: auto; padding: 18px; opacity: 1; visibility: visible; transform: none !important; box-shadow: none; }
  .nav-trigger[aria-expanded="true"] + .mega-panel { display: block; }
  .mega-grid, .mega-grid-4 { grid-template-columns: repeat(2,1fr); }
  .hero-copy { grid-column: 1 / span 7; }
  .hero-art { grid-column: 8 / -1; min-height: 470px; }
  .hero-art img { min-height: 470px; }
  .hub-index { grid-template-columns: repeat(2,1fr); }
  .insight-layout { grid-template-columns: 1fr; }
  .insight-toc { position: static; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { width: min(100% - 32px, var(--max)); }
  .site-header > .wrap { min-height: 72px; }
  .main-nav { inset-top: 72px; }
  .hero { padding: 46px 0 36px; }
  .grid-12 { grid-template-columns: 1fr; }
  .hero-copy, .hero-art { grid-column: 1; }
  .hero-copy { padding: 10px 0; }
  h1 { font-size: clamp(40px, 11vw, 58px); }
  .hero-art { min-height: 390px; }
  .hero-art img { min-height: 390px; border-radius: 100px 22px 100px 22px; }
  .hero-art::before { left: -10px; }
  .trust-strip { grid-template-columns: repeat(2,1fr); }
  .trust-strip span:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .trust-strip span:nth-child(4) { border-top: 1px solid var(--line); }
  section { padding: 76px 0; }
  .section-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 36px; }
  .section-head .eyebrow { margin-bottom: 0; }
  .help-grid, .hub-featured, .hub-index, .related-links, .contact-grid { grid-template-columns: 1fr; }
  .help-panel:nth-child(2), .feature-tile:nth-child(2) { transform: none; }
  .help-panel, .feature-tile { min-height: 240px; }
  .approach-rail { grid-template-columns: repeat(2,1fr); }
  .approach-step:nth-child(3) { border-top: 1px solid var(--line); }
  .approach-step:nth-child(4) { border-top: 1px solid var(--line); }
  .ecosystem-table, .ecosystem-table tbody, .ecosystem-table tr, .ecosystem-table td { display: block; }
  .ecosystem-table thead { display: none; }
  .ecosystem-table tr { padding: 20px; border-bottom: 1px solid var(--line); }
  .ecosystem-table td { padding: 4px 0; border: 0; }
  body.page-service main > article:first-child,
  body.page-industry main > article:first-child,
  body.page-insight main > article:first-child,
  body.page-legal main > article:first-child,
  main > article.wrap[style] { width: calc(100% - 32px); margin-top: 22px; padding: 50px 24px 55px !important; border-radius: 28px; background: linear-gradient(150deg, #fff 0 78%, var(--blue-wash) 78%); }
  main > article.wrap h1 { font-size: clamp(40px, 12vw, 58px); }
  .article-body > h2 { margin-top: 65px; }
  .deliverables { grid-template-columns: 1fr; }
  .footer-grid, .footer-cols { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .mega-grid, .mega-grid-4 { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; animation-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* 2026-10-09: compact footer hub nav (replaces footer link directory) + homepage "see all" links */
.footer-nav { display: flex; flex-wrap: wrap; align-content: flex-start; gap: 12px 28px; }
.footer-nav a { color: rgba(255,255,255,.78); font-size: 14px; font-weight: 700; }
.footer-nav a:hover { color: white; }
.hub-more { margin: 4px 0 0; }
.hub-more a { font-weight: 800; color: var(--blue); }