.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: var(--spacing-sm) 0;
  background-color: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__logo {
  font-family: 'Playfair Display', serif;
  font-size: var(--font-h3);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.site-header__logo span {
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.site-nav__link {
  font-family: 'Inter', sans-serif;
  font-size: var(--font-small);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color 0.3s ease;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-accent);
}

.site-nav__cta {
  font-size: var(--font-small);
  padding: var(--spacing-xs) var(--spacing-md);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle__bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-xl);
    transition: right 0.4s ease;
  }

  .site-nav.is-open {
    right: 0;
  }

  .site-nav__link {
    font-size: var(--font-body);
  }

  .nav-toggle.is-open .nav-toggle__bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.is-open .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-open .nav-toggle__bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}