/* =========================================================
   RESPONSIVE.CSS — Breakpoints: 1100px / 860px / 640px / 420px
   ========================================================= */

/* ---------- Tablet: <=1100px ---------- */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .hero-grid { gap: 40px; }
  .hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
}

/* ---------- Small tablet / large mobile: <=860px ---------- */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--white);
    padding: 16px 24px 28px;
    gap: 4px;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--border);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav-links.mobile-open a { width: 100%; padding: 14px 16px; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { height: 320px; margin-top: 20px; }
  .hero-stats { gap: 24px; }

  .about-preview { grid-template-columns: 1fr; gap: 44px; }
  .ap-visual img { height: 320px; }

  .services-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .testimonial-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .cta-band { flex-direction: column; text-align: center; padding: 40px 28px; }

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

  .section { padding: 72px 0; }
}

/* ---------- Mobile: <=640px ---------- */
@media (max-width: 640px) {
  .container { padding: 0 18px; }

  .services-grid, .why-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .gallery-item.tall { grid-row: span 1; }

  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }

  .hero-stats { justify-content: space-between; }

  .floating-badge { top: 12px; right: 12px; padding: 10px 14px; }
  .floating-badge .fb-lbl { display: none; }

  .footer-grid { grid-template-columns: 1fr; text-align: left; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .contact-info-card, .contact-form-card { padding: 28px 22px; }

  .lightbox-nav { width: 38px; height: 38px; }
  .lightbox { padding: 20px; }

  .section { padding: 56px 0; }
  .section-head { margin-bottom: 40px; }
}

/* ---------- Small mobile: <=420px ---------- */
@media (max-width: 420px) {
  .brand-text .b2 { display: none; }
  .hero-stat .num { font-size: 1.3rem; }
  .btn { padding: 13px 22px; font-size: 0.88rem; }
  .ap-since { left: 12px; bottom: -18px; padding: 12px 16px; }
  .ap-since .yr { font-size: 1.2rem; }
}