/* ════════════════════════════════════════════════════════════
   RESPONSIVE — Dark theme
   Breakpoints : tablet < 1024px | mobile < 768px | small < 480px
   ════════════════════════════════════════════════════════════ */

/* ── Tablet 768–1023px ──────────────────────────────────── */
@media (max-width: 1023px) {
  :root { --gutter: 28px; }

  /* ── Nav ── */
  .nav-menu      { display: none; }
  .nav-right     { display: none; }
  .nav-hamburger { display: flex; }
  .nav-inner     { height: 72px; }

  /* Menu mobile ouvert */
  .nav-menu.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(4, 8, 15, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 32px rgba(0,0,0,.5);
    z-index: 998;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    padding: 12px;
  }

  .nav-menu.mobile-open > li > a {
    padding: 13px 16px;
    font-size: 13px;
    border-radius: var(--radius-md);
    color: var(--text-dim);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-dim);
  }

  .nav-menu.mobile-open > li:last-child > a { border-bottom: none; }
  .nav-menu.mobile-open > li > a:hover { background: var(--bg-card-h); color: var(--text); }

  /* Dropdown mobile : caché par défaut, visible quand li.mobile-expanded */
  .nav-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: none !important;
    transition: none !important;
    display: none;
    position: static;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--border);
    border-radius: 0;
    background: transparent;
    padding: 4px 0 4px 12px;
    min-width: unset;
    margin: 4px 0 8px 12px;
  }

  .nav-menu.mobile-open > li.has-dropdown.mobile-expanded .nav-dropdown {
    display: block;
  }

  .nav-dropdown__header {
    font-size: 9px; letter-spacing: 2px;
    padding: 8px 8px 4px; color: var(--blue); opacity: .6;
  }

  .nav-dropdown__item { padding: 8px; border-radius: var(--radius-sm); }
  .nav-dropdown__item:hover { background: var(--bg-card-h); }

  /* Chevron mobile */
  .nav-menu > li.has-dropdown:hover .nav-chevron { transform: none; color: var(--text-muted); }
  .has-dropdown.mobile-expanded .nav-chevron { transform: rotate(180deg) !important; color: var(--blue) !important; }

  /* ── Hero ── */
  .hero {
    grid-template-columns: 1fr;
    padding: 48px 0 60px;
    gap: 48px;
  }

  .hero__phone { width: 260px; }

  /* ── Apps ── */
  .apps-grid { grid-template-columns: 1fr 1fr; }

  /* ── Services preview ── */
  .services-preview-grid { grid-template-columns: 1fr; }

  /* ── Stats ── */
  .stats-dark__inner { grid-template-columns: 1fr 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border-dim); }
  .stat-item:nth-child(odd)  { border-right: 1px solid var(--border-dim); }
  .stat-item:last-child,
  .stat-item:nth-last-child(2):nth-child(odd) { border-bottom: none; }

  /* ── Notre différence ── */
  .diff-dark__card {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 32px;
  }

  /* ── Blog preview ── */
  .blog-preview__grid { grid-template-columns: 1fr 1fr; gap: 14px; }

  /* ── Pages intérieures ── */
  .about-grid    { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid  { grid-template-columns: 1fr; gap: 48px; }
  .product-hero  { grid-template-columns: 1fr; gap: 40px; }

  /* ── Archiveflow ── */
  .archiveflow-card { grid-template-columns: 1fr; gap: 40px; }

  /* ── Footer ── */
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }

  /* ── Services grid (pages services) ── */
  .services-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Mobile < 768px ─────────────────────────────────────── */
@media (max-width: 767px) {
  :root { --gutter: 18px; }

  /* ── Nav ── */
  .nav-inner    { height: 64px; }
  .nav-menu.mobile-open { top: 64px; max-height: calc(100vh - 64px); }

  /* ── Hero : carousel caché, texte centré ── */
  .hero { padding: 36px 0 48px; gap: 0; grid-template-columns: 1fr; }
  .hero__title   { font-size: clamp(28px, 8vw, 40px); letter-spacing: -1px; }
  .hero__desc    { font-size: 15px; }
  .hero__actions { flex-direction: column; gap: 10px; }
  .hero-carousel { display: none; }

  .hero__phone { width: 230px; }
  .phone__screen { min-height: 320px; }

  /* ── Boutons pleine largeur ── */
  .btn-primary,
  .btn-secondary,
  .btn-cyan    { width: 100%; justify-content: center; }

  /* ── Apps : 1 colonne, boutons full-width ── */
  .apps-grid { grid-template-columns: 1fr; }
  .app-card .btn-svc { width: 100%; justify-content: center; }

  /* ── Stats ── */
  .stats-dark__inner { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 32px 20px; }
  .stat-item__number { font-size: clamp(36px, 10vw, 54px); }

  /* ── Notre différence : stack + mini-grid 2 col ── */
  .diff-dark__card {
    grid-template-columns: 1fr;
    gap: 32px; padding: 32px 24px;
  }
  .diff-dark__mini-grid { grid-template-columns: 1fr 1fr; }
  .diff-dark__title { font-size: clamp(22px, 6vw, 30px); }

  /* ── Blog preview ── */
  .blog-preview__grid { grid-template-columns: 1fr; }
  /* Forcer 1 col même avec inline style (related articles) */
  .blog-grid { grid-template-columns: 1fr !important; }

  /* ── Services grid ── */
  .services-grid { grid-template-columns: 1fr; }

  /* ── CTA banner ── */
  .cta-banner { padding: 40px 24px; }
  .cta-banner h2 { font-size: clamp(20px, 6vw, 28px); }

  /* ── Typographie ── */
  .section-title { font-size: clamp(22px, 6vw, 30px); }

  /* ── Form rows ── */
  .form-row { grid-template-columns: 1fr; }

  /* ── Contact infos ── */
  .contact-grid  { gap: 32px; }

  /* ── Footer ── */
  .footer-main   { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .footer-legal  { flex-wrap: wrap; justify-content: center; gap: 10px; }

  /* ── Values grid (about) ── */
  .values-grid { grid-template-columns: 1fr; }

  /* ── Placeholder grid (produits) ── */
  .placeholder-grid { grid-template-columns: 1fr; max-width: 360px; }

  /* ── Product hero ── */
  .product-hero { gap: 32px; }

  /* ── Article TOC ── */
  .article-layout { grid-template-columns: 1fr; }
  .article-toc    { position: static; order: -1; max-height: 220px; }

  /* ── Article contenu : overflow protection ── */
  .single-post__content { overflow-x: hidden; }
  .single-post__content table  { display: block; overflow-x: auto; }
  .single-post__content pre    { max-width: 100%; overflow-x: auto; }
  .single-post__content img    { width: 100%; }
}

/* ── Small screens < 480px ──────────────────────────────── */
@media (max-width: 479px) {
  :root { --gutter: 16px; }

  /* ── Phone mockup ── */
  .hero__phone { width: 200px; }
  .phone__screen { min-height: 280px; }
  .phone__title { font-size: 15px; }

  /* ── Stats : 1 colonne ── */
  .stats-dark__inner { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border-dim); }
  .stat-item:last-child { border-bottom: none; }

  /* ── Diff mini-grid : 1 colonne ── */
  .diff-dark__mini-grid { grid-template-columns: 1fr; }

  /* ── Nav logo ── */
  .nav-logo__badge { display: none; }
}