:root {
  --ink: #15202b;
  --ink-soft: #2a3947;
  --forest: #122536;
  --cream: #f5f7fa;
  --paper: #ffffff;
  --gold: #0b6faf;
  --gold-light: #73b6e2;
  --line: rgba(21, 32, 43, 0.13);
  --white: #fff;
  --sans: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --serif: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --latin: "Pretendard Variable", Pretendard, Inter, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, summary { font: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}
.page-width { width: min(100% - 80px, 1480px); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  z-index: 20;
  width: 100%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.site-header__inner {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 78px;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
}
.brand { display: inline-flex; align-items: center; gap: 13px; justify-self: start; }
.brand__mark {
  position: relative;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(21, 32, 43, 0.35);
  font-family: var(--latin);
  font-size: 24px;
  line-height: 1;
}
.brand__mark i { margin-left: -7px; font-style: normal; }
.brand__mark b {
  position: absolute;
  right: 5px;
  bottom: 3px;
  color: var(--gold);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 400;
}
.brand__name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 750;
  letter-spacing: -0.04em;
}
.brand__name small {
  display: block;
  margin-top: 3px;
  font-family: var(--latin);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
}
.desktop-nav { display: flex; gap: clamp(23px, 2.4vw, 42px); align-items: center; justify-content: center; }
.desktop-nav a {
  position: relative;
  padding: 27px 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.desktop-nav a::after {
  position: absolute;
  bottom: 18px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  content: "";
  transition: width 180ms ease;
}
.desktop-nav a:hover::after, .desktop-nav a.is-active::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 18px; justify-self: end; }
.header-cta {
  display: inline-grid;
  min-width: 108px;
  height: 46px;
  place-items: center;
  color: var(--white);
  background: var(--gold);
  font-size: 13px;
  font-weight: 700;
  transition: background 180ms ease, transform 180ms ease;
}
.header-cta:hover { background: #075985; transform: translateY(-2px); }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 12px 8px;
  border: 0;
  color: inherit;
  background: transparent;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  margin: 5px auto 0;
  border-radius: 999px;
  background: currentColor;
  transition: opacity 180ms ease, transform 220ms ease;
}
.menu-toggle span:first-child { margin-top: 0; }

.site-proofbar { position: sticky; top: 78px; z-index: 18; color: var(--white); background: #122536; border-bottom: 1px solid rgba(255,255,255,.12); }
.site-proofbar__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.site-proofbar article { display: grid; min-height: 82px; grid-template-columns: 54px 1fr; gap: 15px; align-items: center; padding: 14px 24px; }
.site-proofbar article + article { border-left: 1px solid rgba(255,255,255,.13); }
.site-proofbar b { color: #73b6e2; font-family: var(--latin); font-size: 15px; font-weight: 800; letter-spacing: -.02em; }
.site-proofbar b sup { font-size: .62em; }
.site-proofbar strong, .site-proofbar small { display: block; }
.site-proofbar strong { color: var(--white); font-size: 14px; font-weight: 750; letter-spacing: -.025em; }
.site-proofbar small { margin-top: 5px; color: rgba(255,255,255,.68); font-size: 10px; font-weight: 450; line-height: 1.45; }

.button {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 600;
}
.button--gold {
  min-width: 210px;
  color: var(--ink);
  background: var(--gold-light);
  transition: background 180ms ease, transform 180ms ease;
}
.button--gold:hover { background: var(--white); transform: translateY(-3px); }
@media (max-width: 1180px) {
  .page-width { width: min(100% - 48px, 1480px); }
  .site-header__inner { grid-template-columns: 1fr auto; }
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
}
@media (max-width: 820px) {
  .page-width { width: min(100% - 36px, 1480px); }
  .site-header__inner { min-height: 76px; }
  .site-proofbar { top: 76px; }
  .header-cta { display: none; }
  .site-proofbar article { min-height: 70px; grid-template-columns: 1fr; gap: 5px; padding: 10px 8px; text-align: center; }
  .site-proofbar b { font-size: 12px; }
  .site-proofbar strong { font-size: 10px; line-height: 1.35; }
  .site-proofbar small { display: none; }
}
@media (max-width: 520px) {
  .page-width { width: min(100% - 28px, 1480px); }
  .brand__mark { width: 38px; height: 38px; }
  .brand__name { font-size: 17px; }
  .site-proofbar .page-width { width: 100%; }
  .site-proofbar article { min-height: 68px; padding-inline: 4px; }
  .site-proofbar strong { font-size: 10px; }
  .button--gold { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}