/* Header styles for VelMotoir */

.vm-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(5, 7, 11, 0.98), rgba(5, 7, 11, 0.92));
  border-bottom: 1px solid rgba(37, 42, 54, 0.9);
  backdrop-filter: blur(14px);
}

.vm-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  gap: var(--space-4);
}

/* Branding */

.vm-header__brand {
  display: flex;
  align-items: center;
}

.vm-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}

.vm-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 30% 70% 45% 55%;
  background: radial-gradient(circle at 30% 20%, rgba(255, 122, 26, 0.6), rgba(15, 18, 24, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.vm-header__logo-icon {
  font-size: 1.2rem;
  color: var(--color-background);
}

.vm-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.vm-header__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.vm-header__tagline {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Navigation */

.vm-header__nav {
  margin-left: auto;
}

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

.vm-header__nav-item--cta {
  margin-left: var(--space-3);
}

.vm-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
}

.vm-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width var(--transition-normal);
}

.vm-header__nav-link:hover,
.vm-header__nav-link:focus-visible {
  color: var(--gray-50);
}

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

.vm-header__nav-link--cta {
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* Mobile toggle */

.vm-header__toggle {
  display: none;
  width: 44px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: rgba(15, 18, 24, 0.9);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  color: var(--color-text);
}

.vm-header__toggle-bar {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-200);
  transition: transform var(--transition-normal), opacity var(--transition-fast), width var(--transition-fast);
}

.vm-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Toggle active state */

.vm-header__toggle--active .vm-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.vm-header__toggle--active .vm-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.vm-header__toggle--active .vm-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile layout */

@media (max-width: 768px) {
  .vm-header__inner {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .vm-header__toggle {
    display: inline-flex;
  }

  .vm-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at top, rgba(15, 18, 24, 0.98), rgba(5, 7, 11, 0.98));
    border-bottom: 1px solid rgba(37, 42, 54, 0.9);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

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

  .vm-header__nav-item--cta {
    margin-left: 0;
    width: 100%;
  }

  .vm-header__nav-link--cta {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .vm-header__nav-link::after {
    display: none;
  }

  .vm-header__nav-link {
    font-size: 0.8rem;
  }

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

/* Larger screens refinements */

@media (min-width: 1024px) {
  .vm-header__inner {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

  .vm-header__nav-list {
    gap: var(--space-5);
  }
}

/* Utility for body when nav is open on mobile */

.vm-header--nav-open body {
  overflow: hidden;
}