/* Header-specific styles for Balkan Evero */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header__inner {
  min-height: 3.75rem;
}

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

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

.site-header__logo-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 20% 0%, rgba(255, 255, 255, 0.28), transparent 55%),
              radial-gradient(circle at 80% 120%, rgba(41, 196, 255, 0.45), transparent 55%),
              var(--color-surface-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.site-header__logo-chip {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.6), inset 0 0 0 2px rgba(0, 0, 0, 0.6);
}

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

.site-header__brand-name {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  letter-spacing: 0.04em;
}

.site-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */

.site-header__nav-wrapper {
  display: flex;
  align-items: center;
}

.nav {
  gap: 1.75rem;
}

.nav__item--highlight .nav__link {
  padding-inline: 0.9rem;
  padding-block: 0.35rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.nav__link--cta {
  color: #111;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  box-shadow: var(--shadow-sm);
}

.nav__link--cta:hover {
  color: #111;
  box-shadow: var(--shadow-md);
}

/* Mobile toggle */

.site-header__toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.3rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background-color: rgba(6, 7, 18, 0.85);
  color: var(--color-text);
}

.site-header__toggle-bar {
  width: 1.2rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast), width var(--transition-fast);
}

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

/* Toggle animation when open */
.site-header__toggle--open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.site-header__toggle--open .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__toggle--open .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Responsive layout */

@media (max-width: 768px) {
  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav-wrapper {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at top, rgba(255, 207, 51, 0.08), transparent 50%),
                rgba(5, 7, 18, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

  .site-header__nav-wrapper--open {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
    visibility: visible;
  }

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

  .nav__item--highlight .nav__link {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .site-header__brand-tagline {
    display: none;
  }
}

@media (min-width: 769px) {
  .site-header__nav-wrapper {
    position: static;
    background: transparent;
  }
}