/* ============================================================
   KILIAN REALTY — responsive.css
   Mobile-first media queries
   Breakpoints : 768px (tablette), 1024px (desktop sm), 1440px (desktop lg)
   ============================================================ */

/* ── Tablette et moins (≤ 1024px) ── */
@media (max-width: 1024px) {
  :root { --section-py: 80px; }

  .container { padding: 0 28px; }

  /* Nav */
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .nav { padding: 22px 28px; }
  .nav.scrolled { padding: 14px 28px; }

  /* Hero */
  .hero-tag::before, .hero-tag::after { width: 24px; }

  /* Quartiers grid */
  .quartiers-grid { grid-template-columns: repeat(2, 1fr); }
  .quartier-card { aspect-ratio: 4/3; }

  /* About */
  .about-split { grid-template-columns: 1fr; gap: 40px; }
  .about-image-accent { display: none; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.12); }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }

  /* Quick contact */
  .quick-contact-grid { grid-template-columns: 1fr; gap: 48px; }

  /* About valeurs */
  .about-valeurs { grid-template-columns: 1fr 1fr; }

  /* Quartier detail */
  .quartier-detail { grid-template-columns: 1fr; min-height: auto; }
  .quartier-detail:nth-child(even) .quartier-detail-image { order: 0; }
  .quartier-detail:nth-child(even) .quartier-detail-content { order: 0; }
  .quartier-detail-image { min-height: 320px; }
  .quartier-detail-content { padding: 40px 32px; }

  /* Estimation */
  .estimation-split { grid-template-columns: 1fr; gap: 40px; }
  .estimation-form-wrap { padding: 36px 32px; }

  /* About full */
  .about-full-split { grid-template-columns: 1fr; }
  .about-hero-image { max-width: 100%; }
  .about-valeurs-full { grid-template-columns: 1fr 1fr; }

  /* Témoignages */
  .temoignages-grid { grid-template-columns: 1fr; }

  /* Contact page */
  .contact-page-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-page-form-wrap { padding: 36px 32px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-grid > *:first-child { grid-column: 1 / -1; }

  /* Search */
  .search-row { grid-template-columns: 1fr 1fr; }
  .search-row .btn { grid-column: 1 / -1; }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {
  :root { --section-py: 60px; }

  .container { padding: 0 20px; }

  /* Nav */
  .nav { padding: 18px 20px; }
  .nav.scrolled { padding: 12px 20px; }
  .nav-logo img { height: 28px; }
  .nav.scrolled .nav-logo img { height: 24px; }

  /* Hero */
  .hero { min-height: 100svh; }
  .hero-title { font-size: clamp(2.4rem, 9vw, 3.6rem); }
  .hero-subtitle { font-size: 0.9rem; }
  .hero-cta-group { flex-direction: column; gap: 12px; }
  .hero-cta-group .btn { width: 100%; max-width: 300px; justify-content: center; }
  .hero-tag::before, .hero-tag::after { display: none; }

  /* Sections */
  h2 { font-size: clamp(1.9rem, 6vw, 2.4rem); }
  .section-header { margin-bottom: 40px; }

  /* Quartiers grid */
  .quartiers-grid { grid-template-columns: 1fr; }
  .quartier-card { aspect-ratio: 16/9; }
  .quartier-card-accroche { max-height: 40px; opacity: 1; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

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

  /* About valeurs */
  .about-valeurs { grid-template-columns: 1fr; }
  .about-valeurs-full { grid-template-columns: 1fr; }

  /* Quartier detail */
  .quartier-detail-content { padding: 28px 20px; }

  /* Page hero */
  .page-hero { padding: 130px 0 60px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid > *:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* Testimonials */
  .testimonial-text { font-size: 1rem; }

  /* Search */
  .search-row { grid-template-columns: 1fr; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; }

  /* Estimation form */
  .estimation-form-wrap { padding: 28px 20px; }

  /* Contact */
  .contact-page-form-wrap { padding: 28px 20px; }

  /* Temoignage items */
  .temoignage-item { padding: 32px 24px; }

  /* Divider */
  .divider { margin: 16px 0; }
}

/* ── Large desktop (≥ 1440px) ── */
@media (min-width: 1440px) {
  :root {
    --container-max: 1400px;
    --section-py: 120px;
  }
  .quartiers-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ── Accessibilité : préférence reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ── Print ── */
@media print {
  .nav, .hero-media, #preloader, .back-to-top, .scroll-indicator { display: none; }
  .hero { height: auto; padding: 40px 0; }
  * { color: black !important; background: white !important; }
}