/* Header styles for KRASUCKI ŁUKASZ */

.ns-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  background: linear-gradient(120deg, rgba(5, 9, 21, 0.96), rgba(5, 9, 21, 0.94));
  border-bottom: 1px solid var(--color-border-subtle);
}

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

/* Brand (left, subtle) */
.ns-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ns-header__brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #ffffff, rgba(255, 255, 255, 0.12));
  color: #050915;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 600;
}

.ns-header__brand-text {
  white-space: nowrap;
  color: var(--color-text-muted);
}

/* Navigation */
.ns-header__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.ns-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  padding: 0;
  margin: 0;
}

.ns-header__nav-item {
  display: flex;
}

.ns-header__logo-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 1.25rem;
  padding-block: 0.35rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
  background: radial-gradient(circle at top, rgba(35, 72, 255, 0.48), rgba(5, 9, 21, 0.98));
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
}

.ns-header__nav-link {
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.ns-header__nav-link--cta {
  padding-inline: 0.1rem;
  color: #ffffff;
}

.ns-header__nav-link--cta::after {
  height: 2px;
}

/* Mobile toggle */
.ns-header__toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  background: rgba(5, 9, 21, 0.85);
  color: var(--color-text);
  cursor: pointer;
}

.ns-header__toggle-bar {
  width: 18px;
  height: 1.5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-red));
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.ns-header__toggle[aria-expanded="true"] .ns-header__toggle-bar:first-child {
  transform: translateY(3px) rotate(45deg);
}

.ns-header__toggle[aria-expanded="true"] .ns-header__toggle-bar:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* Responsive */
@media (max-width: 768px) {
  .ns-header__inner {
    gap: var(--space-3);
  }

  .ns-header__brand-text {
    display: none;
  }

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

  .ns-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    transform-origin: top;
  }

  .ns-header__nav-list {
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding-block: var(--space-4);
    padding-inline: var(--space-4);
    margin-top: 0.25rem;
    background: radial-gradient(circle at top, rgba(35, 72, 255, 0.18), rgba(5, 9, 21, 0.98));
    border-bottom: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-soft);
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-4px);
    transition: max-height var(--transition-slow), opacity var(--transition-normal), transform var(--transition-normal);
  }

  .ns-header__nav-item--center {
    display: none;
  }

  .ns-header__nav-link {
    font-size: var(--font-size-sm);
  }

  .ns-header--menu-open .ns-header__nav-list {
    max-height: 260px;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
}

@media (min-width: 769px) {
  .ns-header__nav-list {
    max-width: 560px;
  }

  .ns-header__nav-item--left {
    justify-content: flex-end;
  }

  .ns-header__nav-item--right {
    justify-content: flex-start;
  }
}

/* Utility state when focus is inside the open menu on mobile */
.ns-header--menu-open {
  border-bottom-color: var(--color-border-strong);
}