/* Header Styles - Storage Building Company LLC */

.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-bg-primary);
  box-shadow: var(--shadow-md);
  z-index: var(--z-index-sticky);
  transition: all var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.header-logo:hover {
  opacity: 0.8;
}

.header-logo img {
  height: 50px;
  width: auto;
}

/* Navigation */
.header-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-family: var(--font-primary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-index-fixed);
}

.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--color-secondary);
  border-radius: 2px;
  transition: all var(--transition-normal);
  transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .header-container {
    height: var(--header-height-mobile);
  }

  .header-logo img {
    height: 40px;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .header-nav {
    position: fixed;
    top: var(--header-height-mobile);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg-primary);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
    padding: var(--spacing-lg);
  }

  .header-nav.active {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-item {
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav-link {
    padding: var(--spacing-md) var(--spacing-sm);
    font-size: var(--font-size-h6);
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link.active {
    background-color: var(--color-bg-secondary);
    color: var(--color-primary);
  }
}

/* Tablet */
@media (max-width: 992px) and (min-width: 769px) {
  .nav-list {
    gap: var(--spacing-md);
  }

  .nav-link {
    font-size: var(--font-size-small);
    padding: var(--spacing-xs);
  }
}