/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

header.scrolled {
  background-color: rgba(230, 223, 212, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--space-xs) var(--space-md);
  border-bottom: 1px solid rgba(42, 54, 43, 0.1);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--color-olive-deep);
}

nav ul {
  display: flex;
  gap: var(--space-md);
}

nav a {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-terracotta);
  transition: var(--transition-smooth);
}

nav a:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Footer */
footer {
  background-color: var(--color-olive-deep);
  color: var(--color-sand-warm);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-col h4 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  font-size: 1.2rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-col a {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--color-terracotta);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(230, 223, 212, 0.2);
  padding-top: var(--space-md);
  font-size: 0.8rem;
  opacity: 0.6;
}

/* Mobile Responsive Layout */
@media (max-width: 900px) {
  nav ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-sand-warm);
    padding: var(--space-md);
    text-align: center;
    border-bottom: 1px solid rgba(42, 54, 43, 0.1);
  }

  nav ul.active {
    display: flex;
  }

  .mobile-menu-toggle {
    display: block;
  }
}