/* Header styles for Wspolita */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.96), rgba(5, 6, 8, 0.85));
  border-bottom: 1px solid rgba(214, 175, 96, 0.18);
}

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

.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: 36px;
  height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #f6f0e8, #d6af60 45%, #9a6a2b 70%, #050608 100%);
  box-shadow: 0 0 0 1px rgba(214, 175, 96, 0.65), var(--shadow-soft);
}

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

.site-header__brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-header__brand-tagline {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-header__nav {
  margin-left: auto;
}

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

.site-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #f1e1b5, #d6af60, #9a6a2b);
  transition: width var(--transition-base);
}

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

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

.site-header__cta {
  font-size: var(--font-size-xs);
  padding-inline: 1.35rem;
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(214, 175, 96, 0.5);
  justify-content: center;
  align-items: center;
  cursor: pointer;
  background: radial-gradient(circle at top, rgba(214, 175, 96, 0.12), rgba(5, 6, 8, 0.96));
}

.site-header__toggle-bar {
  position: relative;
  width: 18px;
  height: 2px;
  border-radius: var(--radius-full);
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base), background-color var(--transition-base);
}

.site-header__toggle-bar:nth-child(1) {
  top: -3px;
}

.site-header__toggle-bar:nth-child(2) {
  bottom: -3px;
}

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

/* Mobile layout */
@media (max-width: 900px) {
  .site-header__inner {
    padding-block: var(--space-2);
  }

  .site-header__toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    background: linear-gradient(to bottom, rgba(5, 6, 8, 0.98), rgba(5, 6, 8, 0.96));
    border-bottom: 1px solid rgba(214, 175, 96, 0.2);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-5);
  }

  .site-header__nav-link {
    font-size: var(--font-size-base);
  }

  .site-header__cta-wrapper {
    display: none;
  }

  .site-header--menu-open .site-header__nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-header--menu-open .site-header__toggle-bar:nth-child(1) {
    transform: rotate(42deg);
    top: 0;
  }

  .site-header--menu-open .site-header__toggle-bar:nth-child(2) {
    transform: rotate(-42deg);
    bottom: 0;
  }
}

@media (max-width: 600px) {
  .site-header__brand-tagline {
    display: none;
  }
}