:root {
  --max-width: 1200px;
}

@media (max-width: 1200px) {
  .hero-grid, .two-column, .contact-grid { gap: 2rem; }
  .portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 992px) {
  .nav-links { position: fixed; inset: 76px 1rem auto 1rem; flex-direction: column; align-items: flex-start; padding: 1rem; background: rgba(5,5,5,0.95); border: 1px solid rgba(255,255,255,0.1); border-radius: 20px; transform: translateY(-120%); opacity: 0; pointer-events: none; transition: transform .25s ease, opacity .25s ease; }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-toggle { display: inline-flex; }
  .hero-grid, .two-column, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 460px; }
  .card-grid, .counter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero { padding-top: 2rem; }
  .hero-grid { gap: 2rem; }
  .hero h1 { font-size: clamp(2.1rem, 7vw, 3rem); }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .trust-list { flex-direction: column; align-items: flex-start; }
  .card-grid, .counter-grid, .portfolio-grid, .footer-grid, .form-grid { grid-template-columns: 1fr; }
  .section-heading { flex-direction: column; align-items: flex-start; }
  .hero-device-card.device-laptop { right: 0; top: 6%; }
  .hero-device-card.device-tablet { right: 18%; bottom: 0; width: 190px; }
  .hero-device-card.device-phone { left: -2%; bottom: -2%; width: 120px; }
  .cta-card { padding: 1.5rem; }
}

@media (max-width: 576px) {
  .container { width: min(var(--max-width), calc(100% - 1.15rem)); }
  .nav-inner { min-height: 68px; }
  .hero { min-height: auto; padding: 2rem 0 3rem; }
  .section { padding: 4rem 0; }
  .nav-links { inset: 68px .5rem auto .5rem; }
  .hero-visual { min-height: 360px; }
  .hero-device-card { padding: .6rem; border-radius: 22px; }
  .hero-device-card.device-laptop { width: 280px; }
  .hero-device-card.device-tablet { width: 152px; }
  .hero-device-card.device-phone { width: 96px; }
  .filter-group { gap: .55rem; }
  .filter-btn { font-size: .92rem; padding: .6rem .8rem; }
}