/* Header-specific styles for BOK AUTOS NI LTD */

.header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: #ffffff;
  backdrop-filter: blur(10px);
}

.header__inner {
  min-height: 4.25rem;
}

.header__brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 70%);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.header__logo-mark::before,
.header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 7px 5px;
  border-radius: 8px;
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.header__logo-mark::after {
  inset: 11px 9px;
  border-width: 1px;
}

.header__logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--gray-900);
}

.header__tagline {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
}

/* Navigation */

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

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.header__nav-link:hover::after,
.header__nav-link:focus-visible::after {
  width: 100%;
}

.header__nav-link.is-active {
  color: var(--color-primary);
}

.header__nav-link.is-active::after {
  width: 100%;
}

.header__nav-item--cta {
  margin-left: var(--space-2);
}

.header__cta-link {
  font-size: 0.72rem;
}

/* Mobile menu toggle */

.header__menu-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  color: var(--gray-800);
}

.header__menu-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 20px;
  height: 18px;
}

.header__menu-toggle-bar {
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background-color: var(--gray-800);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.header__menu-toggle-text {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* Icon animation when menu is open */

.header--nav-open .header__menu-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.header--nav-open .header__menu-toggle-bar:nth-child(2) {
  opacity: 0;
}

.header--nav-open .header__menu-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive layout */

@media (max-width: 900px) {
  .header__inner {
    align-items: center;
  }

  .header__brand {
    flex: 1 1 auto;
    min-width: 0;
  }

  .header__menu-toggle {
    display: inline-flex;
  }

  .header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
    transform-origin: top;
    transform: scaleY(0.96);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility 0s linear 200ms;
  }

  .header--nav-open .header__nav {
    opacity: 1;
    transform: scaleY(1);
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
  }

  .header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .header__nav-item--cta {
    width: 100%;
    margin-left: 0;
    margin-top: var(--space-2);
  }

  .header__cta-link {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 540px) {
  .header__logo-text {
    font-size: 0.78rem;
  }

  .header__tagline {
    display: none;
  }
}