/* ========================================
   RESPONSIVE DESIGN
   Mobile-first approach
   ======================================== */

@media (max-width: 1200px) {
  :root {
    --container-padding: 1.5rem;
    --spacing-3xl: 5rem;
    --spacing-4xl: 6rem;
  }
}

@media (max-width: 1024px) {
  :root {
    --spacing-3xl: 4rem;
    --spacing-4xl: 5rem;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --spacing-xl: 2.5rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 3.5rem;
    --spacing-4xl: 4rem;
  }

  section {
    padding: var(--spacing-2xl) 0;
  }

  section.section-lg {
    padding: var(--spacing-3xl) 0;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .grid,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .trust-badges {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
  }

  /* ✅ FIX: cacher les points (step indicator) au-dessus du titre sur mobile */
  .window-tech-section .repair-steps-indicator {
    display: none !important;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 3.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.875rem;
  }

  .btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
}

@media (min-width: 1440px) {
  :root {
    --container-max-width: 1400px;
  }
}

@media (min-width: 1920px) {
  :root {
    --container-max-width: 1600px;
  }
}