/* =====================================
   GLOBAL LAYOUT & STRUCTURE
   ===================================== */

.site-header {
  background: var(--color-white);
  border-bottom: 2px solid var(--color-primary);
  padding: 1rem 0;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.site-header .container,
.container.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo {
  margin: 0;
}

.logo a {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.6rem;
}

.logo .brackets {
  color: var(--color-accent);
  font-weight: 700;
}

.main-nav {
  margin-left: auto;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 1.6rem;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s ease;
  padding: 0.75rem;
}

.nav-list a:hover {
  color: var(--color-accent);
  padding: 0.75rem;
  border-radius: 20px;
  background-color: var(--color-accent-light);
}

.menu-toggle {
  display: none;
  background: var(--color-primary);
  border: none;
  padding: 0.5rem;
  border-radius: 8px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px 0;
  background: #ffffff;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Burger to X animation */
.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.utility-links,
.site-footer {
  text-align: center;
  background: var(--color-white);
  padding: 2rem 1rem;
}

.site-footer {
  border-top: 2px solid var(--color-primary);
  font-size: 0.95rem;
  color: var(--color-muted);
}

/* Mobile */
@media (max-width: 768px) {
  .container.nav-container {
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: inline-block;
    margin-left: auto;
  }

  .main-nav {
    display: none;
    width: 100%;
    margin-left: 0;
  }

  .main-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
  }
}