/* layout.css */
/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: var(--space-2) 0;
  transition: all var(--transition-normal);
  background: transparent;
}

@media (min-width: 1024px) {
  .navbar {
    padding: var(--space-3) 0;
  }
}

.navbar.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo .logo-full {
  display: none;
}
.logo .logo-short {
  display: inline;
}

@media (min-width: 768px) {
  .logo .logo-full {
    display: inline;
  }
  .logo .logo-short {
    display: none;
  }
}

.nav-links {
  display: none;
}

@media (max-width: 1023px) {
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-secondary);
    padding: var(--space-16) var(--space-4) var(--space-4);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
    border-left: 1px solid var(--border-color);
    z-index: 99;
    gap: var(--space-2);
    align-items: stretch;
    animation: slideIn var(--transition-normal) forwards;
  }
  
  @keyframes slideIn {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
  }
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
    gap: var(--space-6);
    align-items: center;
  }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  width: auto;
}

@media (max-width: 1023px) {
  .nav-link {
    font-size: 1.125rem;
    padding: var(--space-4) var(--space-4);
    width: 100%;
    display: block;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-fast);
  }
  .nav-link:hover {
    padding-left: var(--space-6);
    color: var(--accent);
  }
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--bg-secondary);
}

.menu-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
  z-index: 101;
}

.menu-toggle:hover {
  background-color: var(--bg-secondary);
}

.nav-cta .cta-icon {
  display: none;
}

@media (max-width: 1023px) {
  .nav-cta {
    display: none !important;
  }
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-brand h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

/* Responsive Grids */
.approach-grid {
  grid-template-columns: 1fr;
  align-items: stretch;
}

.approach-image-container {
  height: 300px;
}

@media (min-width: 768px) {
  .approach-grid {
    grid-template-columns: 1fr 1fr;
  }
  .approach-image-container {
    height: 100%;
    min-height: 450px;
  }
}

.why-atlas-grid {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .why-atlas-grid {
    grid-template-columns: 1fr 2fr;
  }
}

.contact-grid {
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: stretch;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
}