/* Header styles for Rafał Sadziak - PDL Solutions */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 7, 9, 0.96), rgba(5, 7, 9, 0.86));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  gap: var(--space-4);
}

/* Brand */
.site-header__brand {
  display: flex;
  align-items: center;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: radial-gradient(circle at 30% 20%, rgba(227, 181, 89, 0.8), rgba(10, 58, 48, 0.95));
  box-shadow: var(--shadow-gold-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-header__logo-icon {
  color: #111;
  font-size: 1.1rem;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
}

.site-header__brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.site-header__brand-tagline {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* Navigation */
.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-link {
  position: relative;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #f0c971, #b8862b);
  transition: width var(--transition-base);
}

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

.site-header__nav-link:hover {
  color: var(--gray-50);
}

.site-header__cta-wrap {
  margin-left: var(--space-4);
}

.site-header__cta {
  font-size: 0.72rem;
}

/* Mobile toggle */
.site-header__nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(227, 181, 89, 0.5);
  color: var(--color-text);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.site-header__nav-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.site-header__nav-toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__nav-toggle-text {
  font-family: var(--font-display);
}

/* Toggle open state */
.site-header__nav-toggle[aria-expanded="true"] .site-header__nav-toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header__nav-toggle[aria-expanded="true"] .site-header__nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header__nav-toggle[aria-expanded="true"] .site-header__nav-toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 768px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-header__nav-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    margin-top: 4px;
    padding-inline: var(--space-4);
    padding-bottom: var(--space-4);
    background: radial-gradient(circle at top, rgba(227, 181, 89, 0.08), transparent 60%), var(--color-bg-elevated);
    box-shadow: var(--shadow-elevated);
    flex-direction: column;
    align-items: flex-start;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height var(--transition-slow), opacity var(--transition-base), transform var(--transition-base);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .site-header__nav-item {
    width: 100%;
  }

  .site-header__nav-link {
    display: block;
    width: 100%;
    padding-block: 0.45rem;
  }

  .site-header__cta-wrap {
    margin-left: 0;
    margin-top: var(--space-3);
    width: 100%;
  }

  .site-header__cta {
    width: 100%;
    justify-content: center;
  }

  .site-header__nav--open {
    max-height: 420px;
    opacity: 1;
    transform: translateY(0);
  }
}

/* Medium screens */
@media (min-width: 769px) and (max-width: 1024px) {
  .site-header__nav-list {
    gap: var(--space-3);
  }

  .site-header__brand-tagline {
    display: none;
  }
}