/* Mobile responsiveness */
@media (max-width: 768px) {
  .container { padding: 0 16px !important; }

  /* Hero grid -> stack */
  section:first-of-type .container > div {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }

  /* Diagnostic 3-col -> 1-col */
  section:nth-of-type(2) .container > div:last-child {
    grid-template-columns: 1fr !important;
  }

  /* Pathways 2-col -> 1-col */
  section:nth-of-type(3) .container > div:last-child {
    grid-template-columns: 1fr !important;
  }

  /* HowItWorks 3-col -> 1-col */
  section:nth-of-type(4) .container > div:first-child {
    grid-template-columns: 1fr !important;
  }

  /* Manifesto 2-col -> 1-col */
  section:nth-of-type(5) .container > div:last-child {
    grid-template-columns: 1fr !important;
  }

  h1 { font-size: 36px !important; }
  h2 { font-size: 28px !important; }
  section { padding: 48px 0 !important; }
}

/* Scroll behavior */
html { scroll-behavior: smooth; }

/* Focus states */
button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* Selection color */
::selection {
  background: var(--amber-light);
  color: var(--amber-dark);
}

/* Smooth transitions */
button {
  transition: all 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Link underline */
a:hover {
  text-decoration: underline;
}