/* BASIC css start */
/* ==============================================
   BetterWork Header CSS
   더나은보호작업장 회사소개 전용 헤더
   Design Tokens from common.css
   ============================================== */

/* ── Header Base ── */
.bw-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  background-color: transparent;
  transition: background-color var(--transition-slow), box-shadow var(--transition-slow);
}

.bw-header--scrolled {
  background-color: var(--color-bg-primary);
  box-shadow: var(--shadow-sm);
}

.bw-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* ── Logo ── */
.bw-header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}

.bw-header__logo:hover {
  opacity: 0.8;
}

.bw-header__logo-img {
  max-height: 28px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  transition: filter var(--transition-slow);
}

.bw-header--scrolled .bw-header__logo-img {
  filter: none;
}

/* ── Navigation ── */
.bw-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.bw-header__nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-inverse);
  position: relative;
  padding: var(--space-sm) 0;
  transition: color var(--transition-slow);
}

.bw-header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.bw-header__nav-link:hover::after {
  width: 100%;
}

.bw-header__nav-link:hover {
  color: rgba(255, 255, 255, 0.8);
}

.bw-header--scrolled .bw-header__nav-link {
  color: var(--color-text-primary);
}

.bw-header--scrolled .bw-header__nav-link:hover {
  color: var(--color-accent);
}

/* ── CTA Button ── */
.bw-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.bw-header__cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.bw-header__cta-btn:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.8);
  color: #fff;
}

.bw-header--scrolled .bw-header__cta-btn {
  color: var(--color-accent);
  border-color: var(--color-accent-border);
}

.bw-header--scrolled .bw-header__cta-btn:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ── Hamburger ── */
.bw-header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 8px 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.bw-header__burger-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--color-text-inverse);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-fast), background-color var(--transition-slow);
}

.bw-header--scrolled .bw-header__burger-line {
  background-color: var(--color-text-primary);
}

.bw-header__burger--active .bw-header__burger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.bw-header__burger--active .bw-header__burger-line:nth-child(2) {
  opacity: 0;
}

.bw-header__burger--active .bw-header__burger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── Mobile Menu ── */
.bw-header__mobile {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg-primary);
  z-index: -1;
  transform: translateX(100%);
  opacity: 0;
  transition: transform var(--transition-slow) var(--ease-out-expo), opacity var(--transition-base);
  overflow-y: auto;
}

.bw-header__mobile--active {
  transform: translateX(0);
  opacity: 1;
}

.bw-header__mobile-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  padding: calc(var(--header-height) + var(--space-2xl)) var(--container-padding) var(--space-2xl);
  min-height: 100vh;
}

.bw-header__mobile-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.bw-header__mobile-link {
  display: block;
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-md) 0;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-light);
  transition: color var(--transition-fast);
}

.bw-header__mobile-link:hover {
  color: var(--color-accent);
}

.bw-header__cta-btn--mobile {
  align-self: flex-start;
  color: var(--color-accent);
  border-color: var(--color-accent-border);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-base);
}

.bw-header__cta-btn--mobile:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .bw-header__nav {
    display: none;
  }

  .bw-header__cta-btn:not(.bw-header__cta-btn--mobile) {
    display: none;
  }

  .bw-header__burger {
    display: flex;
  }
}

/* BASIC css end */