/* Header styles for Stroomwinkel Pro */

.swp-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-xs);
}

.swp-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);
}

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

.swp-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
  text-decoration: none;
}

.swp-header__logo-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #fefefe 0, #dbeafe 40%, #1d4ed8 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: var(--shadow-sm);
  font-size: 1.1rem;
}

.swp-header__logo-text {
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.1rem;
}

.swp-header__logo-text span {
  color: var(--color-primary);
}

/* Navigation */

.swp-header__nav {
  flex: 1 1 auto;
}

.swp-header__nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.swp-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.25rem 0;
}

.swp-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.swp-header__nav-link:hover,
.swp-header__nav-link:focus-visible {
  color: var(--color-text);
}

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

.swp-header__nav-item--cta .swp-header__nav-link--cta {
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
  border: 1px solid var(--color-border-strong);
}

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

.swp-header__nav-item--cta .swp-header__nav-link--cta:hover,
.swp-header__nav-item--cta .swp-header__nav-link--cta:focus-visible {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary-strong);
}

/* Header actions */

.swp-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.swp-header__icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-size: var(--font-size-sm);
  border: 1px solid transparent;
}

.swp-header__icon-link--outline {
  background-color: transparent;
  border-color: var(--color-border-subtle);
  color: var(--color-text);
}

.swp-header__icon-link:hover,
.swp-header__icon-link:focus-visible {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary-strong);
}

.swp-header__icon-link--outline:hover,
.swp-header__icon-link--outline:focus-visible {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* Mobile toggle */

.swp-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.swp-header__toggle-icon {
  position: relative;
  width: 18px;
  height: 14px;
}

.swp-header__toggle-icon::before,
.swp-header__toggle-icon::after,
.swp-header__toggle-icon span {
  content: "";
  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);
}

.swp-header__toggle-icon::before {
  top: 0;
}

.swp-header__toggle-icon::after {
  bottom: 0;
}

/* Use a pseudo middle line via box-shadow trick */
.swp-header__toggle-icon::before {
  box-shadow: 0 6px 0 0 var(--color-text);
}

.swp-header__toggle[aria-expanded="true"] .swp-header__toggle-icon::before {
  box-shadow: none;
  top: 6px;
  transform: rotate(45deg);
}

.swp-header__toggle[aria-expanded="true"] .swp-header__toggle-icon::after {
  bottom: 6px;
  transform: rotate(-45deg);
}

.swp-header__toggle-label {
  font-size: var(--font-size-xs);
}

/* Responsive behaviour */

@media (max-width: 960px) {
  .swp-header__inner {
    gap: var(--space-2);
  }

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

  .swp-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-md);
    transform-origin: top;
  }

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

  .swp-header__nav-link {
    padding: 0.4rem 0;
  }

  .swp-header__actions {
    display: none;
  }

  /* Progressive enhancement: nav visible when no JS; JS will add .is-collapsed */
  .swp-header__nav.is-collapsed {
    display: none;
  }

  .swp-header__nav.is-open {
    display: block;
  }
}

@media (min-width: 961px) {
  .swp-header__nav {
    position: static;
  }

  .swp-header__nav-list {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .swp-header__logo-text {
    font-size: 1rem;
  }

  .swp-header__logo-mark {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
  }
}