@media (max-width: 1280px) {
  .container {
    max-width: 1100px;
  }
}

@media (max-width: 1024px) {
  .container {
    max-width: 960px;
  }

  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.375rem;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .container {
    max-width: 720px;
    padding: 0 var(--spacing-sm);
  }

  html {
    font-size: 15px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.625rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  h4 {
    font-size: 1.125rem;
  }

  .section {
    padding: var(--spacing-md) 0;
  }

  .btn-large {
    padding: 14px 28px;
    font-size: 1rem;
  }

  .card {
    padding: var(--spacing-sm);
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-xs);
  }

  html {
    font-size: 14px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.125rem;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.9375rem;
  }

  .btn-large {
    padding: 12px 24px;
    font-size: 1rem;
  }
}

@media (min-width: 768px) {
  .features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
  }
}