/* Header layout & styling for Vertoxxa Assistance Auto */

.vx-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(22px);
  background: linear-gradient(to bottom, rgba(5, 8, 17, 0.95), rgba(5, 8, 17, 0.94));
}

.vx-header__border {
  border-bottom-color: rgba(148, 163, 184, 0.22);
}

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

/* Brand */
.vx-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.vx-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 20%, rgba(37, 99, 235, 0.9), transparent 60%),
              radial-gradient(circle at 70% 80%, rgba(34, 197, 94, 0.8), transparent 60%),
              linear-gradient(135deg, #020617, #020617);
  box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.35), 0 10px 25px rgba(15, 23, 42, 0.85);
}

.vx-header__logo-icon {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 2px solid rgba(248, 250, 252, 0.9);
  border-top-color: rgba(56, 189, 248, 0.95);
  border-right-color: rgba(34, 197, 94, 0.95);
  transform: rotate(45deg);
}

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

.vx-header__brand-name {
  font-family: "Space Grotesk", var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  color: var(--gray-50);
}

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

/* Navigation */
.vx-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.vx-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.vx-header__nav-item--cta {
  margin-left: var(--space-1);
}

.vx-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-inline: 0.25rem;
  padding-block: 0.35rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.vx-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0.45rem;
  right: 0.45rem;
  bottom: 0.1rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform-origin: center;
  transform: scaleX(0);
  opacity: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

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

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

.vx-header__nav-link--cta {
  padding-inline: 0.8rem;
  padding-block: 0.35rem;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.6);
  background: radial-gradient(circle at 0% 0%, rgba(37, 99, 235, 0.65), transparent 70%),
              radial-gradient(circle at 100% 100%, rgba(34, 197, 94, 0.45), transparent 65%),
              rgba(15, 23, 42, 0.98);
  color: var(--gray-50);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.75);
}

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

.vx-header__nav-link--cta:hover,
.vx-header__nav-link--cta:focus-visible {
  border-color: rgba(34, 197, 94, 0.85);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.9);
}

.vx-header__cta-wrapper {
  margin-left: var(--space-3);
}

.vx-header__primary-cta {
  font-size: var(--font-size-xs);
  padding-inline: 1.1rem;
}

/* Mobile toggle */
.vx-header__toggle {
  position: relative;
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.98));
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.vx-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-200);
  transition: transform var(--transition-normal), opacity var(--transition-normal), width var(--transition-normal);
}

.vx-header__toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Toggle open state */
.vx-header__toggle--open .vx-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.vx-header__toggle--open .vx-header__toggle-bar:nth-child(2) {
  opacity: 0;
  width: 0;
}

.vx-header__toggle--open .vx-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile / small screens */
@media (max-width: 900px) {
  .vx-header__inner {
    padding-block: var(--space-3);
  }

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

  .vx-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.18), transparent 70%),
                radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.12), transparent 70%),
                rgba(15, 23, 42, 0.99);
    border-top: 1px solid rgba(148, 163, 184, 0.32);
    box-shadow: 0 18px 55px rgba(15, 23, 42, 0.95);
    padding: var(--space-4) var(--space-4) var(--space-6);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

  .vx-header__nav--open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
  }

  .vx-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: var(--space-2);
  }

  .vx-header__nav-link {
    width: 100%;
    padding-block: 0.6rem;
    padding-inline: 0.2rem;
  }

  .vx-header__nav-link::after {
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
  }

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

  .vx-header__nav-link--cta {
    width: 100%;
    justify-content: center;
  }

  .vx-header__cta-wrapper {
    width: 100%;
    margin-left: 0;
  }

  .vx-header__primary-cta {
    width: 100%;
    justify-content: center;
  }
}

/* Medium and up: inline nav */
@media (min-width: 901px) {
  #primary-nav {
    position: static;
    inset: auto;
    background: transparent;
    border-top: none;
    box-shadow: none;
    padding: 0;
    opacity: 1 !important;
    transform: none !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }
}

/* Utility: prevent body scroll when mobile nav open */
.vx-header--nav-open body,
body.vx-header--nav-open {
  overflow: hidden;
}