/* VandorTrail header styles */

.vt-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(245, 246, 248, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-gray-200);
}

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

/* Brand */
.vt-header__brand {
  display: flex;
  align-items: center;
}

.vt-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-primary);
}

.vt-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle at 20% 0%, var(--color-accent), var(--color-primary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-contrast);
  box-shadow: var(--shadow-sm);
}

.vt-header__logo-icon {
  font-size: 1.1rem;
}

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

.vt-header__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.vt-header__subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
}

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

.vt-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
}

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

.vt-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  padding-block: 0.25rem;
}

.vt-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-warning));
  border-radius: var(--radius-pill);
  transition: width var(--duration-base) var(--easing-standard);
}

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

.vt-header__nav-link--cta {
  padding: 0.45rem 1.05rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-primary-contrast);
  box-shadow: var(--shadow-sm);
}

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

.vt-header__nav-link--cta:hover {
  box-shadow: var(--shadow-md);
}

/* Header actions */
.vt-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-4);
}

.vt-header__icon-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-pill);
  color: var(--color-gray-700);
  background-color: #ffffff;
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-xs);
  transition:
    background-color var(--duration-base) var(--easing-standard),
    color var(--duration-base) var(--easing-standard),
    box-shadow var(--duration-base) var(--easing-standard),
    transform var(--duration-fast) var(--easing-standard);
}

.vt-header__icon-link:hover {
  background-color: var(--color-accent);
  color: var(--color-primary-contrast);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.vt-header__cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  border-radius: var(--radius-pill);
  background-color: var(--color-warning);
  color: #fff;
  font-size: 0.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 3px;
}

.vt-header__account-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  background-color: #ffffff;
  border: 1px solid rgba(17, 58, 93, 0.16);
}

.vt-header__account-link:hover {
  background-color: rgba(0, 166, 183, 0.06);
}

.vt-header__account-text {
  display: inline-block;
}

/* Mobile nav toggle */
.vt-header__nav-toggle {
  display: none;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-gray-300);
  background-color: #ffffff;
  color: var(--color-gray-800);
  cursor: pointer;
}

.vt-header__nav-toggle-box {
  position: relative;
  width: 20px;
  height: 14px;
}

.vt-header__nav-toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-gray-800);
  border-radius: 999px;
  transition:
    transform var(--duration-base) var(--easing-standard),
    opacity var(--duration-base) var(--easing-standard),
    top var(--duration-base) var(--easing-standard),
    bottom var(--duration-base) var(--easing-standard);
}

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

.vt-header__nav-toggle-line--middle {
  top: 6px;
}

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

.vt-header__nav-toggle-text {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Open state */
.vt-header--menu-open .vt-header__nav-toggle-line--top {
  top: 6px;
  transform: rotate(45deg);
}

.vt-header--menu-open .vt-header__nav-toggle-line--middle {
  opacity: 0;
}

.vt-header--menu-open .vt-header__nav-toggle-line--bottom {
  bottom: 6px;
  transform: rotate(-45deg);
}

/* Responsive */
@media (max-width: 960px) {
  .vt-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .vt-header__subtitle {
    display: none;
  }

  .vt-header__nav-toggle {
    display: inline-flex;
    order: 2;
  }

  .vt-header__actions {
    order: 3;
    margin-left: 0;
  }

  .vt-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(245, 246, 248, 0.98);
    border-bottom: 1px solid var(--color-gray-200);
    transform-origin: top;
    transform: scaleY(0.96);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      opacity var(--duration-base) var(--easing-standard),
      transform var(--duration-base) var(--easing-standard),
      visibility 0s linear var(--duration-base);
  }

  .vt-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3) var(--space-4) var(--space-4);
    gap: var(--space-2);
  }

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

  .vt-header__nav-link {
    font-size: var(--font-size-md);
  }

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

@media (max-width: 640px) {
  .vt-header__brand-text {
    display: none;
  }

  .vt-header__actions {
    gap: var(--space-2);
  }

  .vt-header__account-text {
    display: none;
  }

  .vt-header__account-link {
    padding-inline: 0.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vt-header,
  .vt-header * {
    transition: none !important;
  }
}