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

// 모바일 전용 로고(정사각 마크) — PC 로고는 그대로 두고, 모바일에서만 노출
.gnb__logoImg--mobile {
  display: none;
}

// GNB
.gnb {
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  z-index: 100;
  transition:
    background 0.3s,
    top 0.3s;

  &.isScrolled {
    background: rgba(13, 13, 13, 0.75);
    backdrop-filter: blur(12px);
  }

  // HOME(intro)을 벗어났을 때 — 위치/크기 조정용 (배경·텍스트 색은 isLight가 별도로 담당)
  &.isPastHome {
    top: 0;
  }

  // HISTORY/CONTACT처럼 흰 배경 섹션을 지나는 동안 — 텍스트가 묻히는 것 + 아래 콘텐츠가 비쳐서 겹쳐 보이는 것 둘 다 방지
  &.isLight {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);

    .gnb__logoImg {
      filter: invert(1);
    }

    .gnb__navLink {
      color: #0d0d0d;

      &:hover {
        color: #7796ff;
      }

      &.isActive {
        color: #7796ff;
      }
    }

    .gnb__hamburgerLine {
      background: #0d0d0d;
    }
  }
}

.gnb__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px clamp(24px, 5.2vw, 100px) 10px;
}

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

.gnb__logoImg {
  width: 126px;
  height: auto;
  object-fit: unset;
}

.gnb__nav {
  // nav block — layout only
}

.gnb__navList {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.gnb__navLink {
  display: block;
  padding: 20px clamp(14px, 1.7vw, 32px);
  font-size: clamp(13px, 0.85vw, 16px);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: #ffffff;
  transition: color 0.2s;

  &:hover {
    color: #7796ff;
  }
}

.gnb__navLink.isActive {
  color: #7796ff;
}

.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: #ffffff;
  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: #0d0d0d;
  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: #ffffff;

  &: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-size: clamp(28px, 8vw, 36px);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: #ffffff;
}

.gnb__mobileNavLink.isActive {
  color: #7796ff;
}

@include mo {
  .gnb {
    top: 0;
  }

  // Figma 모바일 전용 정사각 로고 마크(40x40)로 교체 — PC 워드마크는 숨김
  .gnb__logoImg--desktop {
    display: none;
  }

  .gnb__logoImg--mobile {
    display: block;
    width: 40px;
    height: 40px;
  }

  // 컴포넌트 사양(48x48)에 맞춤
  .gnb__hamburger {
    width: 48px;
    height: 48px;
  }

  .gnb__mobileNav {
    overflow-y: auto;
  }

  // 드로어 닫기(X) 버튼: Figma "Navigation icon"(menu-close) 48x48, top/right 20px
  .gnb__mobileNavClose {
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
  }

  // 드로어 메뉴 아이템: Figma "menu" 컨테이너 gap 24, 아이템 padding 24px 32px
  .gnb__mobileNavList {
    gap: 24px;
  }

  .gnb__mobileNavLink {
    padding: 24px 32px;
    font-size: clamp(24px, 8.5vw, 32px);
  }
}