/* Header component for Modern Lookbook */

.site-header {
  position: relative;
  z-index: 50;
}

.header-brand {
  display: flex;
  align-items: center;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, rgba(34, 197, 94, 0.85), transparent 55%),
              radial-gradient(circle at 70% 120%, rgba(59, 130, 246, 0.85), transparent 55%),
              #020617;
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.9), 0 14px 35px rgba(0, 0, 0, 0.7);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Primary navigation */

.primary-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  position: relative;
  color: var(--gray-100);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #ffffff;
}

.header-cta {
  margin-left: 1.5rem;
}

.header-cta-btn {
  font-size: 0.7rem;
}

/* Mobile navigation */

.nav-toggle {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background-color: rgba(15, 23, 42, 0.9);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle-bar {
  position: relative;
  width: 1.1rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-100);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.nav-toggle-bar:first-child {
  top: -3px;
}

.nav-toggle-bar:last-child {
  bottom: -3px;
}

.nav-toggle.is-open .nav-toggle-bar:first-child {
  transform: rotate(45deg) translateY(2px);
  top: 0;
}

.nav-toggle.is-open .nav-toggle-bar:last-child {
  transform: rotate(-45deg) translateY(-2px);
  bottom: 0;
}

/* Mobile layout */

@media (max-width: 900px) {
  .navbar-inner {
    gap: 0.75rem;
  }

  .primary-nav {
    position: fixed;
    inset: 3.3rem 0 auto 0;
    z-index: 40;
    pointer-events: none;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 0.5rem auto 0;
    max-width: var(--container-width);
    padding: 0.9rem var(--container-padding-x) 1.1rem;
    border-radius: 0 0 1rem 1rem;
    background-color: rgba(2, 6, 23, 0.98);
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    border-left: 1px solid rgba(148, 163, 184, 0.2);
    border-right: 1px solid rgba(148, 163, 184, 0.2);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

  .primary-nav.is-open .nav-links {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
    flex-direction: column;
  }

  .header-cta {
    display: none;
  }
}

@media (max-width: 520px) {
  .brand-subtitle {
    display: none;
  }
}