/* ==========================================================================
   RESPONSIVE.CSS - MEDIA QUERIES & MOBILE INTERACTION
   ========================================================================== */

/* Tablet (Max-width: 1024px) */
@media screen and (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-stats {
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-visual {
    max-width: 480px;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .skills-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    padding: 2.5rem;
    gap: 2.5rem;
  }
}

/* Mobile & Small Tablets (Max-width: 768px) */
@media screen and (max-width: 768px) {
  .site-header {
    padding: 1rem 0;
  }

  .menu-toggle {
    display: block;
    font-size: 1.4rem;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .hero-section {
    padding-top: 7.5rem;
    padding-bottom: 4rem;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .floating-element {
    display: none; /* Avoid overflowing mobile screens */
  }

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

  .modal-window {
    max-height: 95vh;
    border-radius: var(--radius-lg);
  }

  .modal-content-wrapper {
    padding: 1.5rem;
  }

  .modal-metrics-grid {
    grid-template-columns: 1fr;
  }

  .tools-showcase-grid {
    grid-template-columns: 1fr;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    padding: 1.75rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .toast-container {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
  }
}

/* Small Mobile (Max-width: 480px) */
@media screen and (max-width: 480px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .filter-container {
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
  }

  .filter-container::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    white-space: nowrap;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }

  .modal-meta-bar {
    grid-template-columns: 1fr;
  }
}