/* ─────────────────────────────────────────
   responsive.css — Breakpoints
   Couverture : 320px → 1920px+
───────────────────────────────────────── */

/* ── Fix débordement horizontal global ── */
html, body {
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
}

section, div, nav, footer, header {
  max-width: 100%;
  box-sizing: border-box;
}

/* ── SMALL PC / LAPTOP (≤ 1280px) ── */
@media (max-width: 1280px) {
  .services-grid { flex-wrap: wrap; }
  .card-flip { flex: 1 1 calc(33.333% - 1rem); min-width: 260px; }
}

/* ── TABLET (≤ 1024px) ── */
@media (max-width: 1024px) {
  nav { padding: 1.5rem 2rem; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .hero-content { padding: 0 2rem 5rem; }
  .about { grid-template-columns: 1fr; }
  .about-visual { height: 50vh; }
  .about-text { padding: 4rem 3rem; }
  .portfolio { padding: var(--section-pad-sm); }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .services { padding: var(--section-pad-sm); }
  .services-grid { flex-direction: column; gap: 1rem; }
  .card-flip { min-height: 420px; width: 100%; }
  .process { padding: var(--section-pad-sm); }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .testimonials { padding: var(--section-pad-sm); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .stats { grid-template-columns: repeat(2, 1fr); padding: 4rem 0; }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(4) { border-right: none; }
  .stat-num { font-size: clamp(3rem, 6vw, 5.5rem); }
  .contact { display: flex; flex-direction: column; }
  .contact-left { min-height: auto; padding: 4rem 3rem; order: 2; }
  .contact-right { padding: 4rem 3rem; order: 1; }
  footer { flex-direction: column; gap: 1.5rem; text-align: center; padding: 2.5rem 2rem; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
}

/* ── MOBILE (≤ 640px) ── */
@media (max-width: 640px) {

  /* Nav */
  nav { padding: 1rem 1.5rem; z-index: 100; position: fixed; width: 100%; }
  .nav-burger { display: flex; z-index: 101; }
  .nav-logo-img { height: 80px; top: 10px; }
  .menu-close { right: 1.5rem; }

  /* Hero — tagline cachée sur mobile, "Défiler" caché */
  .hero-title { font-size: clamp(3.0rem, 11vw, 4.5rem); line-height: 1.05; }
  .hero-content { grid-template-columns: 1fr; padding: 0 1.5rem 3rem; gap: 1rem; }
  .hero-side { display: none; }

  /* Stats — 2x2 strict */
  .stats {
    grid-template-columns: 1fr 1fr;
    padding: 3rem 0;
    gap: 0;
    overflow: hidden;
    width: 100%;
  }
  .stat-item {
    padding: 1.5rem 0.8rem;
    border-right: 1px solid rgba(212,184,150,0.1);
    border-bottom: 1px solid rgba(212,184,150,0.1);
    overflow: hidden;
    min-width: 0;
  }
  .stat-item:nth-child(2),
  .stat-item:nth-child(4) { border-right: none; }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) { border-bottom: none; }
  .stat-num { font-size: clamp(3rem, 11vw, 5rem); }
  .stat-label { font-size: clamp(0.6rem, 2vw, 0.85rem); letter-spacing: 0.1em; }

  /* Section titles */
  .section-title { font-size: clamp(2.5rem, 7vw, 4rem); }
  .section-body { font-size: 1.35rem; }

  /* Formules */
  .services { padding: 4rem 1.5rem 8rem; overflow: hidden; }
  .services-grid { flex-direction: column; gap: 1rem; }
  .card-flip { width: 100%; min-height: 380px; }
  .services-grid:hover .card-flip,
  .services-grid:hover .card-flip:hover { flex: 1; filter: none; transform: none; }

  /* Process */
  .process { padding: 4rem 1.5rem; overflow: hidden; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step { padding: 1.5rem; }
  .process-step-num { font-size: 4.5rem; }
  .process-step-title { font-size: 2.0rem; }

  /* Portfolio */
  .portfolio { padding: 4rem 1.5rem; overflow: hidden; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-item.featured { grid-column: auto; }
  .portfolio-header { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .portfolio-header .btn-primary { align-self: auto !important; }

  /* Vidéo portfolio */
  .portfolio-item--video { width: 100%; overflow: hidden; aspect-ratio: 9/16; position: relative; }
  .portfolio-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
  .portfolio-sound-btn { top: 0.8rem; right: 0.8rem; width: 38px; height: 38px; font-size: 1.2rem; }

  /* About */
  .about-text { padding: 3rem 1.5rem; }
  .about-visual { height: 40vh; }

  /* Testimonials */
  .testimonials { padding: 3rem 1.5rem; }
  .testimonial-card { padding: 1rem; }
  .testimonial-img--zoomable { max-height: 200px; }
  .testimonial-stars { font-size: 1.1rem; margin-bottom: 0.5rem; }
  .testimonial-author { font-size: 1rem; margin-top: 0.5rem; }

  /* Contact */
  .contact-left { padding: 2.5rem 1.5rem; }
  .contact-right { padding: 2rem 1.5rem; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .section-body { font-size: 1.3rem; }
  .form-group { margin-bottom: 1.1rem; }
  .form-group label { font-size: 0.7rem; margin-bottom: 0.3rem; }
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 1.2rem; padding: 0.5rem 0; }
  .form-group textarea { height: 70px; }
  .btn-submit { font-size: 0.9rem; padding: 1.1rem 1.5rem; margin-top: 0.8rem; }

  /* Blog */
  .blog-section { padding: 3.5rem 1.5rem; }
  .blog-grid { grid-template-columns: 1fr; gap: 1rem; }
  .blog-card { padding: 1.8rem; }
  .blog-card-title { font-size: 1.6rem; }

  /* Footer */
  footer { padding: 2rem 1.5rem; flex-direction: column; align-items: center; gap: 1.2rem; text-align: center; overflow: hidden; }
  .footer-social { flex-wrap: wrap; justify-content: center; gap: 1rem; }
  .footer-copy { font-size: 0.9rem; }

  /* Marquee */
  .marquee-item { font-size: 1.5rem; }
}

/* ── TRÈS PETIT MOBILE (≤ 380px) ── */
@media (max-width: 380px) {
  .hero-title { font-size: clamp(2.8rem, 11vw, 3.8rem); }
  .stat-num { font-size: clamp(2.5rem, 10vw, 3.5rem); }
  .stat-label { font-size: 0.55rem; letter-spacing: 0.08em; }
  .section-title { font-size: clamp(2.4rem, 8vw, 3.5rem); }
  .services { padding: 3rem 1rem 6rem; }
}