.caum-site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  isolation: isolate;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(247, 250, 252, 0.90) 100%);
  border-bottom: 1px solid rgba(220, 227, 235, 0.78);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 12px 34px rgba(15, 23, 42, 0.055);
  backdrop-filter: blur(18px) saturate(1.25);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
}

.caum-site-nav::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(47, 91, 255, 0), rgba(47, 91, 255, 0.24), rgba(200, 150, 46, 0.30), rgba(14, 165, 164, 0.22), rgba(47, 91, 255, 0));
  pointer-events: none;
}

.caum-site-nav::after {
  content: "";
  position: absolute;
  left: max(24px, calc((100% - 1160px) / 2));
  right: max(24px, calc((100% - 1160px) / 2));
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, rgba(47, 91, 255, 0), rgba(47, 91, 255, 0.28), rgba(200, 150, 46, 0.42), rgba(14, 165, 164, 0.28), rgba(47, 91, 255, 0));
  opacity: 0.75;
  pointer-events: none;
}

.caum-site-nav,
.caum-site-nav * {
  box-sizing: border-box;
}

.caum-site-nav a {
  text-decoration: none;
}

.caum-site-nav__inner {
  width: 100%;
  max-width: 1160px;
  min-height: 72px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.caum-site-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #0b1220;
  flex: 0 0 auto;
  transition: transform 0.22s ease, filter 0.22s ease;
}

.caum-site-nav__brand img {
  height: 52px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 8px 18px rgba(15, 23, 42, 0.08));
}

.caum-site-nav__brand:hover {
  transform: translateY(-1px);
  filter: saturate(1.08);
}

.caum-site-nav__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  min-width: 0;
  flex: 1 1 auto;
}

.caum-site-nav__links a {
  position: relative;
  color: #4a5a6a;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: color 0.18s ease, transform 0.18s ease;
}

.caum-site-nav__links a:hover,
.caum-site-nav__links a[aria-current="page"] {
  color: #0b1220;
  transform: translateY(-1px);
}

.caum-site-nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -12px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: center;
  background: linear-gradient(90deg, #2f5bff 0%, #c8962e 52%, #0ea5a4 100%);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.35);
  transition: transform 0.18s ease;
}

.caum-site-nav__links a:hover::after,
.caum-site-nav__links a[aria-current="page"]::after {
  transform: scaleX(1);
}

.caum-site-nav__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.caum-site-nav__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 15px;
  border-radius: 8px;
  border: 1px solid #dce3eb;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: filter 0.18s ease, background 0.18s ease, border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.caum-site-nav__button--secondary {
  color: #0b1220;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfd 100%);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.caum-site-nav__button--secondary:hover {
  background: #ffffff;
  border-color: #cbd5e1;
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
}

.caum-site-nav__button--primary {
  color: #ffffff;
  background: linear-gradient(135deg, #2f5bff 0%, #1e46d8 48%, #0ea5a4 100%);
  border-color: rgba(47, 91, 255, 0.72);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.10), 0 10px 24px rgba(47, 91, 255, 0.23);
}

.caum-site-nav__button--primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.10), 0 14px 30px rgba(47, 91, 255, 0.30);
}

@media (max-width: 980px) {
  .caum-site-nav__inner {
    min-height: auto;
    padding: 14px 18px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .caum-site-nav__brand img {
    height: 44px;
  }

  .caum-site-nav__links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: 18px;
    overflow-x: auto;
    padding: 4px 0 2px;
    scrollbar-width: none;
  }

  .caum-site-nav__links::-webkit-scrollbar {
    display: none;
  }

  .caum-site-nav__links a {
    font-size: 13px;
  }

  .caum-site-nav__links a::after {
    bottom: -6px;
  }

  .caum-site-nav__actions {
    margin-left: auto;
  }
}

@media (max-width: 560px) {
  .caum-site-nav__actions {
    width: 100%;
  }

  .caum-site-nav__button {
    flex: 1 1 0;
  }
}