/* Header styles for Drive Market PL */

.dm-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(180deg, rgba(11, 13, 18, 0.98), rgba(11, 13, 18, 0.95));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.dm-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
  gap: var(--space-8);
}

/* Brand */
.dm-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.dm-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
}

.dm-header__logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 30% 0, rgba(15, 156, 245, 0.25), transparent 55%),
              radial-gradient(circle at 70% 100%, rgba(31, 191, 117, 0.2), transparent 55%),
              var(--color-surface);
  box-shadow: var(--shadow-xs);
}

.dm-header__logo-accent {
  width: 70%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-success));
  position: relative;
}

.dm-header__logo-accent::after {
  content: "";
  position: absolute;
  right: -10px;
  top: -3px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-primary-soft);
  border: 1px solid rgba(15, 156, 245, 0.65);
}

.dm-header__logo-text {
  display: flex;
  flex-direction: column;
}

.dm-header__site-name {
  font-family: "Rajdhani", var(--font-sans);
  font-size: 1.125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dm-header__site-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */
.dm-header__nav {
  margin-left: auto;
}

.dm-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.dm-header__nav-item {
  display: flex;
}

.dm-header__nav-link {
  position: relative;
  padding: 0.4rem 0.2rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-base),
              transform var(--transition-fast);
}

.dm-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-success));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.dm-header__nav-link:hover,
.dm-header__nav-link:focus-visible {
  color: var(--color-text);
}

.dm-header__nav-link:hover::after,
.dm-header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

.dm-header__nav-item--highlight .dm-header__nav-link {
  padding-inline: 0.9rem;
  padding-block: 0.38rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(15, 156, 245, 0.4);
  background: radial-gradient(circle at 0 0, rgba(15, 156, 245, 0.18), transparent 60%);
}

.dm-header__nav-link--cta::after {
  display: none;
}

.dm-header__nav-item--highlight .dm-header__nav-link:hover,
.dm-header__nav-item--highlight .dm-header__nav-link:focus-visible {
  background: radial-gradient(circle at 0 0, rgba(15, 156, 245, 0.28), transparent 65%);
  transform: translateY(-1px);
}

/* Mobile toggle */
.dm-header__nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
}

.dm-header__nav-toggle:focus-visible {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xs);
}

.dm-header__nav-toggle-box {
  width: 22px;
  height: 18px;
  position: relative;
}

.dm-header__nav-toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 99px;
  background-color: var(--gray-400);
  transition: transform var(--transition-base),
              opacity var(--transition-base),
              top var(--transition-base),
              bottom var(--transition-base),
              background-color var(--transition-base);
}

.dm-header__nav-toggle-line--top {
  top: 0;
}

.dm-header__nav-toggle-line--middle {
  top: 8px;
}

.dm-header__nav-toggle-line--bottom {
  bottom: 0;
}

.dm-header__nav-toggle-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.dm-header__nav-toggle[aria-expanded="true"] .dm-header__nav-toggle-line--top {
  top: 8px;
  transform: rotate(45deg);
  background-color: var(--color-primary);
}

.dm-header__nav-toggle[aria-expanded="true"] .dm-header__nav-toggle-line--middle {
  opacity: 0;
}

.dm-header__nav-toggle[aria-expanded="true"] .dm-header__nav-toggle-line--bottom {
  bottom: 8px;
  transform: rotate(-45deg);
  background-color: var(--color-primary);
}

.dm-header__nav-toggle[aria-expanded="true"] .dm-header__nav-toggle-text {
  color: var(--color-primary);
}

/* Responsive behavior */
@media (max-width: 768px) {
  .dm-header__inner {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

  .dm-header__nav-toggle {
    display: inline-flex;
  }

  .dm-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at 0 0, rgba(15, 156, 245, 0.1), transparent 55%),
                var(--color-surface);
    border-bottom: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-sm);
    transform-origin: top;
    transform: scaleY(0.98);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base),
                transform var(--transition-base),
                visibility var(--transition-base);
  }

  .dm-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--space-8) var(--space-8);
    gap: var(--space-4);
  }

  .dm-header__nav-item--highlight .dm-header__nav-link {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .dm-header__nav-link {
    width: 100%;
  }

  .dm-header__nav-link::after {
    bottom: -6px;
  }

  .dm-header__nav--open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1);
  }
}

@media (max-width: 520px) {
  .dm-header__logo-text {
    display: none;
  }
}