/* Header-specific styling for Anna Wójcik-Wojeńska Nartnik Pool */

.header-shell {
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-nav {
  gap: var(--space-4);
}

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

.header-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.header-logo-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle at 30% 20%, #4f46e5, #7c3aed);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  box-shadow: var(--shadow-glow-primary);
}

.header-logo-text {
  display: flex;
  flex-direction: column;
}

.header-logo-name {
  font-size: var(--text-base);
  font-weight: 600;
}

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

.header-nav-primary {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

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

.header-menu-item {
  position: relative;
}

.header-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: 6px 2px;
  border-radius: 999px;
}

.header-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), #7c3aed);
  opacity: 0;
  transform: scaleX(0.4) translateY(3px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

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

.header-link:hover::after,
.header-link:focus-visible::after {
  opacity: 1;
  transform: scaleX(1) translateY(3px);
}

.header-cta {
  display: flex;
  align-items: center;
  margin-left: var(--space-4);
}

.header-cta-button {
  font-size: var(--text-sm);
  padding-inline: 18px;
}

/* Mobile toggle */

.header-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.4);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: rgba(15, 23, 42, 0.9);
  color: var(--color-text);
}

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

.header-toggle.is-active .header-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header-toggle.is-active .header-toggle-bar:nth-child(2) {
  opacity: 0;
}

.header-toggle.is-active .header-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile layout */

@media (max-width: 768px) {
  .header-nav {
    height: auto;
    padding-block: 10px;
  }

  .header-nav-primary {
    position: absolute;
    left: 0;
    right: 0;
    top: var(--nav-height);
    transform-origin: top;
  }

  .header-menu {
    position: relative;
    margin-top: 8px;
    margin-inline: var(--space-4);
    border-radius: var(--radius-lg);
    background: rgba(15, 23, 42, 0.97);
    border: 1px solid rgba(148, 163, 184, 0.35);
    box-shadow: var(--shadow-md);
    padding: 8px 10px;
    flex-direction: column;
    gap: 2px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height var(--transition-slow), opacity var(--transition-normal), transform var(--transition-normal);
  }

  .header-menu.is-open {
    max-height: 320px;
    opacity: 1;
    transform: translateY(0);
  }

  .header-menu-item {
    width: 100%;
  }

  .header-link {
    display: block;
    padding: 8px 6px;
  }

  .header-link::after {
    display: none;
  }

  .header-cta {
    margin-left: auto;
  }

  .header-cta-button {
    padding-inline: 14px;
  }

  .header-toggle {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .header-cta {
    display: none;
  }
}