@use "../base/variable" as *;
@use "../base/mixin" as *;

// GNB
.gnb {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: $gnb-height;
  z-index: 100;
  transition: background 0.4s;

  &.isScrolled {
    background: rgba($color-bg, 0.92);
    backdrop-filter: blur(12px);
  }
}

.gnb__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 48px;
}

.gnb__logo {
  display: flex;
  align-items: center;
}

.gnb__logoImg {
  width: 90px;
  height: auto;
  object-fit: unset;
}

.gnb__nav {
  // nav block — layout only
}

.gnb__navList {
  display: flex;
  align-items: center;
}

.gnb__navItem {
  // list item — no extra styles needed
}

.gnb__navLink {
  display: block;
  padding: 24px clamp(14px, 1.7vw, 32px);
  font-size: clamp(13px, 0.85vw, 16px);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: $color-white;
  transition: color 0.2s;

  &:hover {
    color: $color-blue;
  }
}

.gnb__navLink.isActive {
  color: $color-blue;
}

.gnb__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.gnb__hamburgerLine {
  display: block;
  width: 100%;
  height: 1px;
  background: $color-white;
  transition:
    transform 0.3s,
    opacity 0.3s;
}

.gnb__hamburger.isOpen .gnb__hamburgerLine:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.gnb__hamburger.isOpen .gnb__hamburgerLine:nth-child(2) {
  opacity: 0;
}
.gnb__hamburger.isOpen .gnb__hamburgerLine:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.gnb__mobileNav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: $color-bg;
  padding: 32px 32px 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;

  &.isOpen {
    opacity: 1;
    pointer-events: auto;
  }
}

.gnb__mobileNavClose {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.gnb__mobileNavCloseLine {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: $color-white;

  &:nth-child(1) {
    transform: rotate(45deg);
  }
  &:nth-child(2) {
    transform: rotate(-45deg);
  }
}

.gnb__mobileNavList {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  gap: clamp(20px, 6vh, 36px);
}

.gnb__mobileNavLink {
  display: block;
  font-family: $font-serif;
  font-style: italic;
  font-size: clamp(28px, 8vw, 36px);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: $color-white;
}

.gnb__mobileNavLink.isActive {
  color: $color-blue;
}