.public-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(219, 228, 241, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.public-nav {
  display: flex;
  width: min(1160px, calc(100% - 40px));
  min-height: 68px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.public-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #0b1730;
  font-weight: 900;
  text-decoration: none;
}

.public-brand img { width: 36px; height: 36px; }

.public-nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.public-nav-links a {
  color: #0b1730;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.public-nav-links a:not(.public-nav-cta):hover,
.public-nav-links a[aria-current="page"] { color: #1f5eff; }

.public-nav-cta {
  display: inline-flex;
  min-height: 46px;
  padding: 0 20px;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  background: #1f5eff;
  color: #fff !important;
  font-weight: 850 !important;
  box-shadow: 0 12px 28px rgba(31, 94, 255, 0.22);
}

.public-nav-cta:hover { background: #1548d7; }

/* 기능 드롭다운 */
.public-nav-dd { position: relative; display: inline-flex; }

.public-nav-dd-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0;
  border: 0;
  background: none;
  color: #0b1730;
  font: inherit;
  font-size: 14px;
  font-weight: 750;
  cursor: pointer;
}

.public-nav-dd-toggle::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 140ms ease;
}

.public-nav-dd-toggle:hover,
.public-nav-dd-toggle[aria-current="page"],
.public-nav-dd-toggle[aria-expanded="true"] { color: #1f5eff; }

.public-nav-dd-toggle[aria-expanded="true"]::after { transform: translateY(1px) rotate(-135deg); }

.public-nav-panel {
  position: absolute;
  z-index: 30;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: repeat(3, minmax(190px, 1fr));
  gap: 22px;
  width: max-content;
  max-width: 92vw;
  padding: 22px;
  border: 1px solid rgba(219, 228, 241, 0.9);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 26px 60px rgba(15, 30, 60, 0.16);
}

.public-nav-panel[hidden] { display: none; }

.public-nav-dd-toggle[aria-expanded="true"] + .public-nav-panel { display: grid; }

.public-nav-panel-col > ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.public-nav-panel-head {
  display: block;
  padding: 6px 8px;
  border-radius: 8px;
  text-decoration: none;
}

.public-nav-panel-head strong { display: block; color: #0b1730; font-size: 14px; font-weight: 850; }
.public-nav-panel-head span { display: block; margin-top: 2px; color: #5a6880; font-size: 12px; font-weight: 600; }
.public-nav-panel-head:hover { background: #f2f6ff; }

.public-nav-panel-col li a {
  display: block;
  padding: 7px 8px;
  border-radius: 8px;
  color: #29364f;
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.public-nav-panel-col li a:hover { background: #f2f6ff; color: #1f5eff; }

/* 모바일 토글 버튼 */
.public-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid rgba(219, 228, 241, 0.9);
  border-radius: 11px;
  background: #fff;
  cursor: pointer;
}

.public-nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: #0b1730;
}

.public-nav-toggle span + span { margin-top: 4px; }
.public-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.public-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.public-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.public-nav-toggle span { transition: transform 140ms ease, opacity 140ms ease; }

@media (max-width: 820px) {
  .public-nav {
    position: relative;
    width: min(100% - 28px, 680px);
    min-height: 62px;
  }

  .public-nav-toggle { display: block; }

  .public-nav-links {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    z-index: 30;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px;
    border: 1px solid rgba(219, 228, 241, 0.95);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 24px 54px rgba(15, 30, 60, 0.18);
  }

  .public-nav-links[data-enhanced="true"]:not([data-open]) { display: none; }
  .public-nav:has(.public-nav-links:not([data-enhanced="true"])) { flex-wrap: wrap; padding-block: 12px; }
  .public-nav-links:not([data-enhanced="true"]) { position: static; flex-basis: 100%; box-shadow: none; }

  .public-nav-links > a,
  .public-nav-dd-toggle {
    padding: 12px 12px;
    border-radius: 9px;
    text-align: left;
  }

  .public-nav-links > a:hover,
  .public-nav-dd-toggle:hover { background: #f2f6ff; }

  .public-nav-dd { display: block; }
  .public-nav-dd-toggle { width: 100%; justify-content: space-between; }

  .public-nav-panel,
  .public-nav-dd:hover .public-nav-panel,
  .public-nav-dd:focus-within .public-nav-panel {
    position: static;
    display: none;
    transform: none;
    width: auto;
    max-width: none;
    grid-template-columns: 1fr;
    gap: 10px;
    margin: 4px 0 6px;
    padding: 10px 8px;
    border: 0;
    border-left: 2px solid #e2e9f6;
    border-radius: 0;
    box-shadow: none;
  }

  .public-nav-dd-toggle[aria-expanded="true"] + .public-nav-panel { display: grid; }

  .public-nav-cta {
    min-height: 44px;
    margin-top: 6px;
    padding-inline: 15px;
  }
}

.public-nav > .public-nav-cta { display: none; }
.public-nav button:focus-visible, .public-nav a:focus-visible { outline: 3px solid #1f5eff; outline-offset: 3px; }
@media (max-width: 820px) {
  .public-nav { gap: 10px; }
  .public-nav > .public-nav-cta { display: inline-flex; margin: 0 0 0 auto; padding-inline: 12px; font-size: 13px; }
  .public-nav-toggle { flex: 0 0 42px; }
}
@media (max-width: 360px) {
  .public-brand { gap: 6px; font-size: 14px; }
  .public-brand img { width: 28px; height: 28px; }
  .public-nav > .public-nav-cta { padding-inline: 8px; font-size: 12px; }
}