:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --text: #111827;
  --muted: #5f6775;
  --line: #dfe3e8;
  --accent: #172554;
  --accent-2: #243b77;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 245, 247, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(223, 227, 232, 0.8);
}
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; letter-spacing: .08em; font-size: .9rem; }
.brand-logo { width: 34px; height: 34px; object-fit: contain; object-position: center; flex: 0 0 34px; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: .92rem; }
.site-nav a { color: #3b4350; }
.site-nav a:hover { color: var(--text); }
.menu-toggle { display: none; border: 0; background: transparent; font: inherit; }

.hero { padding: 110px 0 90px; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 70px; align-items: center; }
.eyebrow { margin: 0 0 18px; text-transform: uppercase; letter-spacing: .16em; font-size: .76rem; font-weight: 700; color: var(--accent-2); }
h1, h2, h3 { font-family: Manrope, Inter, sans-serif; line-height: 1.12; margin-top: 0; }
h1 { font-size: clamp(3.1rem, 7vw, 6.6rem); letter-spacing: -.055em; max-width: 900px; margin-bottom: 28px; }
h2 { font-size: clamp(2.25rem, 4.5vw, 4rem); letter-spacing: -.04em; margin-bottom: 24px; }
h3 { font-size: 1.2rem; }
.hero-text { max-width: 700px; color: var(--muted); font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: 0 20px; font-weight: 600; }
.button.primary { background: var(--accent); color: white; }
.button.secondary { border: 1px solid #b7bec8; background: transparent; }

.hero-panel { min-height: 500px; display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.panel-card { position: relative; width: 72%; min-height: 132px; padding: 28px; background: var(--surface); border: 1px solid var(--line); box-shadow: 0 22px 50px rgba(17,24,39,.08); }
.panel-card span { font-size: .76rem; color: var(--accent-2); font-weight: 700; }
.panel-card strong { display: block; margin: 18px 0 8px; font-family: Manrope, sans-serif; font-size: 1.6rem; line-height: 1.2; }
.panel-card p { color: var(--muted); margin: 0; }
.card-one { align-self: flex-start; }
.card-two { align-self: flex-end; }
.card-three { align-self: flex-start; margin-left: 8%; }

.section { padding: 100px 0; }
.section-muted { background: #e9edf2; }
.split, .licensing-grid, .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.body-copy p, .lead, .section-heading > p, .contact-section p { color: var(--muted); }
.section-heading { max-width: 760px; margin-bottom: 44px; }
.cards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.info-card { padding: 28px; min-height: 250px; background: var(--surface); border: 1px solid var(--line); }
.info-card span, .licensing-list span { color: var(--accent-2); font-size: .76rem; font-weight: 700; }
.info-card h3 { margin: 36px 0 12px; }
.info-card p { color: var(--muted); margin: 0; }
.disclosure-note { margin-top: 24px; font-size: .92rem; color: var(--muted); }

.licensing-list { border-top: 1px solid var(--line); }
.licensing-list > div { display: grid; grid-template-columns: 48px 1fr; column-gap: 12px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.licensing-list strong { font-family: Manrope, sans-serif; }
.licensing-list p { grid-column: 2; margin: 6px 0 0; color: var(--muted); }

.statement { padding: 90px 0; background: var(--accent); color: white; }
.statement p { font-family: Manrope, sans-serif; font-size: clamp(2rem, 4vw, 4rem); line-height: 1.2; letter-spacing: -.035em; max-width: 1050px; margin: 0; }

.contact-section { background: var(--surface); }
.contact-card { padding: 34px; border: 1px solid var(--line); }
.contact-label { margin-top: 0; font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 700; }
.contact-card a { display: inline-block; font-family: Manrope, sans-serif; font-size: clamp(1.4rem, 3vw, 2.3rem); font-weight: 600; border-bottom: 1px solid var(--text); }
.contact-note { margin-bottom: 0; }

.site-footer { padding: 34px 0; border-top: 1px solid var(--line); }
.footer-wrap { display: flex; justify-content: space-between; gap: 30px; align-items: end; }
.footer-wrap strong { letter-spacing: .08em; }
.footer-wrap p { margin: 6px 0 0; color: var(--muted); font-size: .88rem; }

@media (max-width: 900px) {
  .hero-grid, .split, .licensing-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-panel { min-height: 440px; }
  .cards-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 24px), var(--max)); }
  .site-nav { display: none; position: absolute; left: 12px; right: 12px; top: 78px; flex-direction: column; align-items: stretch; gap: 0; background: var(--surface); border: 1px solid var(--line); padding: 10px; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px; }
  .menu-toggle { display: block; }
  .hero { padding-top: 76px; }
  h1 { font-size: 3.4rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .hero-panel { min-height: auto; display: grid; gap: 14px; }
  .panel-card { position: static; width: 100%; min-height: 0; }
  .card-three { margin-left: 0; }
  .footer-wrap { flex-direction: column; align-items: flex-start; }
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.language-toggle {
  min-width: 74px;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease;
}

.language-toggle:hover,
.language-toggle:focus-visible {
  background: var(--surface);
  border-color: var(--text);
  outline: none;
}

html[lang="ko"] body {
  word-break: keep-all;
}

@media (min-width: 801px) {
  .nav-controls {
    order: 3;
    margin-left: 28px;
  }

  .site-nav {
    margin-left: auto;
  }
}

@media (max-width: 420px) {
  .brand { gap: 8px; font-size: .78rem; letter-spacing: .06em; }
  .brand-logo { width: 30px; height: 30px; flex-basis: 30px; }
}