/* ============================================================
   RESPONSIVE.CSS — Pekin Digital Agency
   Breakpoints: 1024px (Tablet), 768px (Mobile), 480px (Small)
   ============================================================ */

/* ===== TABLET (max-width: 1024px) ===== */
@media (max-width: 1024px) {
  /* Hero */
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-desc {
    margin: 0 auto 2.5rem;
  }

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

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

  .hero-visual {
    display: none;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .about-visual {
    justify-content: center;
  }

  .about-feature {
    text-align: left;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

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

  .portfolio-grid .portfolio-item.large {
    grid-column: span 2;
  }

  /* Why Us */
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Process */
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .process-timeline::before {
    display: none;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: span 2;
  }
}

/* ===== MOBILE (max-width: 768px) ===== */
@media (max-width: 768px) {
  /* Navigation */
  .nav-links {
    position: fixed;
    inset: 0;
    top: 70px;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    font-size: 1.25rem;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 998;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 1.25rem;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .stat-divider {
    display: none;
  }

  /* Portfolio */
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-grid .portfolio-item.large {
    grid-column: span 1;
  }

  /* Why Us */
  .why-grid {
    grid-template-columns: 1fr;
  }

  /* Process */
  .process-timeline {
    grid-template-columns: 1fr;
  }

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

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

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

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Typography */
  .section-title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  /* Cursor */
  .cursor-dot,
  .cursor-outline {
    display: none;
  }
}

/* ===== SMALL MOBILE (max-width: 480px) ===== */
@media (max-width: 480px) {
  /* Hero actions */
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* About */
  .about-card-3d {
    width: 280px;
    height: 280px;
  }

  /* Service card */
  .service-card-inner {
    padding: 1.75rem;
  }

  /* Contact form */
  .contact-form-wrap {
    padding: 1.75rem;
  }

  /* Footer */
  .footer {
    padding: 3rem 0 1.5rem;
  }

  /* Portfolio filter */
  .portfolio-filter {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.4rem 1rem;
    font-size: 0.8125rem;
  }
}