/* Header-specific styles building on base.css */

.site-header__inner {
  gap: var(--space-4);
}

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

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: radial-gradient(circle at 30% 10%, #a5b4fc 0, #5a8cff 40%, #1d2748 100%);
  box-shadow: var(--shadow-glow-primary);
  position: relative;
}

.site-header__logo-mark::after {
  content: "E";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #050814;
}

.site-header__logo-text {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Navigation list */

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

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

.site-nav__link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  position: relative;
  padding: 0.25rem 0;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #5a8cff, #a855f7);
  transition: width var(--transition-base);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-text);
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after,
.site-nav__link--active::after {
  width: 100%;
}

.site-nav__cta-wrapper {
  margin-left: var(--space-4);
}

.site-nav__cta {
  font-size: var(--font-size-xs);
}

/* Mobile menu toggle */

.site-header__menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  background: rgba(15, 23, 42, 0.95);
  color: var(--color-text);
  cursor: pointer;
}

.site-header__menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.site-header__menu-toggle-text {
  font-size: var(--font-size-sm);
}

.site-header__menu-toggle-icon {
  width: 20px;
  height: 16px;
  position: relative;
}

.site-header__menu-toggle-icon .bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.site-header__menu-toggle-icon .bar-1 {
  top: 0;
}

.site-header__menu-toggle-icon .bar-2 {
  top: 7px;
}

.site-header__menu-toggle-icon .bar-3 {
  bottom: 0;
}

/* Active (open) state for hamburger */

.site-header__menu-toggle.is-open .bar-1 {
  top: 7px;
  transform: rotate(45deg);
}

.site-header__menu-toggle.is-open .bar-2 {
  opacity: 0;
}

.site-header__menu-toggle.is-open .bar-3 {
  bottom: 7px;
  transform: rotate(-45deg);
}

/* Responsive behavior */

.hide-desktop {
  display: none;
}

@media (max-width: 767.98px) {
  .site-header__inner {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .site-nav {
    position: fixed;
    inset: 56px 0 auto 0;
    background: rgba(5, 8, 20, 0.98);
    border-bottom: 1px solid var(--color-border-strong);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .site-nav__cta-wrapper {
    margin-left: 0;
    margin-top: var(--space-4);
  }

  .hide-desktop {
    display: list-item;
  }
}

@media (min-width: 768px) {
  .site-header__menu-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    padding: 0;
    background: transparent;
    border-bottom: none;
  }
}