/* Header-specific styles for Henryk Grzybowski hg::code */

.sa-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.85);
}

.sa-header__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.sa-header__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.sa-header__logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background-image: linear-gradient(135deg, var(--color-primary), var(--color-accent-pink));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.sa-header__logo-text {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* Navigation */

.sa-header__nav {
  width: 100%;
}

.sa-header__nav-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-3);
}

.sa-header__nav-item {
  list-style: none;
}

.sa-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.4rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
  transition: color var(--transition-base);
}

.sa-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background-image: linear-gradient(90deg, var(--color-primary), var(--color-accent-pink));
  transition: width var(--transition-base);
}

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

.sa-header__nav-link:hover::after,
.sa-header__nav-link:focus-visible::after,
.sa-header__nav-link[aria-current="page"]::after {
  width: 100%;
}

.sa-header__nav-link[aria-current="page"] {
  color: var(--color-text);
  font-weight: 500;
}

.sa-header__nav-item--cta .sa-header__nav-link--cta {
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  background-image: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

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

.sa-header__nav-item--cta .sa-header__nav-link--cta:hover,
.sa-header__nav-item--cta .sa-header__nav-link--cta:focus-visible {
  box-shadow: var(--shadow-md);
}

/* Mobile toggle */

.sa-header__toggle {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 32px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(156, 163, 175, 0.4);
  background-color: rgba(255, 255, 255, 0.9);
}

.sa-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.sa-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-image: linear-gradient(90deg, var(--color-primary), var(--color-accent-pink));
  margin-left: auto;
  margin-right: auto;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Closed by default on small screens */
@media (max-width: 767px) {
  .sa-header__nav {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
  }

  .sa-header__nav--open {
    max-height: 420px;
  }
}

/* Focus outline for accessible nav links */
.sa-header__nav-link:focus-visible {
  outline: 2px solid transparent;
}

/* Larger screens: inline navigation, centered logo above menu */

@media (min-width: 768px) {
  .sa-header__inner {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .sa-header__toggle {
    display: none;
  }

  .sa-header__nav {
    max-height: none !important;
  }

  .sa-header__nav-list {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-4);
    padding-bottom: 0;
  }
}

@media (min-width: 1024px) {
  .sa-header__nav-list {
    gap: var(--space-6);
  }
}