@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 7rem 2rem 4rem;
  }
  .hero-content { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-visual { margin-top: 3rem; }
  .hero-geo { width: 260px; height: 260px; }
  .hero-geo-ring:nth-child(2) { inset: 22px; }
  .hero-geo-ring:nth-child(3) { inset: 50px; }
  .hero-geo-center { inset: 80px; }
  .scroll-hint { left: 50%; transform: translateX(-50%); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-visual { height: 250px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { order: 2; }
}

@media (max-width: 640px) {
  nav { padding: 0 1.5rem; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 6rem 1.5rem 3.5rem; min-height: auto; }
  .hero h1 { font-size: clamp(2.2rem, 10vw, 3.2rem); }
  .hero-desc { font-size: 0.95rem; }
  .hero-geo { width: 220px; height: 220px; }
  .hero-geo-ring:nth-child(2) { inset: 18px; }
  .hero-geo-ring:nth-child(3) { inset: 40px; }
  .hero-geo-center { inset: 65px; }
  .hero-geo-center svg { width: 32px; height: 32px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-card { padding: 2rem 1.5rem; }
  .section { padding: 4.5rem 1.5rem; }
  footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    padding: 2rem 1.5rem;
  }
  .banner-card { width: 240px; }
  .scroll-hint { display: none; }
  .floating-shapes { display: none; }
  .section-connector { display: none; }
}

@media (min-width: 641px) {
  .hamburger { display: none; }
  .mobile-overlay { display: none !important; }
}