/* ============================================
   VitaminDigital — Responsive Breakpoints
   ============================================ */

/* ===== TABLET (≤1024px) ===== */
@media (max-width: 1024px) {
  section { padding: 4rem 2rem; }
  .about { grid-template-columns: 1fr; gap: 2.5rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-step { border-bottom: 1px solid var(--border); }
  .process-step:nth-child(2) { border-right: none; }
  .process-step:nth-child(4) { border-right: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }

  .portfolio-item:nth-child(1),
  .portfolio-item:nth-child(2),
  .portfolio-item:nth-child(3),
  .portfolio-item:nth-child(4) {
    grid-column: span 1;
  }

  .theme-toggle { right: 0.8rem; }
  .lang-toggle { left: 0.8rem; }
}

/* ===== MOBILE (≤768px) ===== */
@media (max-width: 768px) {
  nav { padding: 0.8rem 1.2rem; }

  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.8rem;
    z-index: 1001;
  }

  .nav-links.open { display: flex; }
  .nav-links.open a { font-size: 1.3rem; }
  .menu-toggle { display: flex; }

  .hero {
    padding: 5.5rem 1.5rem 2.5rem;
    min-height: auto;
    min-height: 100svh;
  }

  .hero h1 { font-size: clamp(2.6rem, 11vw, 4.5rem); }
  .hero-sub { font-size: 0.95rem; margin-top: 1.2rem; }

  .hero-buttons {
    flex-direction: column;
    margin-top: 1.5rem;
  }

  .hero-buttons a {
    text-align: center;
    justify-content: center;
  }

  .hero-scroll { display: none; }
  section { padding: 3rem 1.2rem; }
  .marquee { padding: 0.6rem 0; }
  .services-grid { grid-template-columns: 1fr; }
  .services-header { margin-bottom: 2rem; }
  .process-steps { grid-template-columns: 1fr; }
  .process-step { border-right: none; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-header { margin-bottom: 2rem; }
  .portfolio-item { aspect-ratio: 16/9; }
  .footer-top { grid-template-columns: 1fr; gap: 1.5rem; }

  .footer-bottom {
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
  }

  .cursor { display: none; }
  .testimonial-section { padding: 4rem 1.2rem; }
  .cta-section { padding: 4rem 1.2rem; }
  .about-stats { gap: 1.2rem; }
  .stat-number { font-size: 2.5rem; }

  .about-visual-tag {
    bottom: -0.8rem;
    right: -0.5rem;
    padding: 0.7rem 1rem;
    font-size: 0.8rem;
  }

  .section-title { font-size: clamp(1.8rem, 6vw, 2.8rem); }

  /* Move toggles to bottom on mobile */
  .theme-toggle,
  .lang-toggle {
    top: auto;
    bottom: 1.5rem;
    transform: none;
    flex-direction: row;
  }

  .theme-toggle { right: 1rem; }
  .lang-toggle { left: 1rem; }
  .theme-toggle-label,
  .lang-toggle-label { display: none; }

  .theme-toggle-btn,
  .lang-btn {
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }
}

/* ===== SMALL MOBILE (≤380px) ===== */
@media (max-width: 380px) {
  .hero h1 { font-size: 2.3rem; }
  .hero { padding: 5rem 1rem 2rem; }
  section { padding: 2.5rem 1rem; }
  .service-card { padding: 1.5rem; }
  .process-step { padding: 1.5rem; }
}

/* ===== CLIENTS SLIDER RESPONSIVE ===== */
@media (max-width: 768px) {
  .client-logo { flex: 0 0 50%; }
  .hero h1 { font-size: clamp(3rem, 13vw, 5rem); }
  .hero-sub { font-size: 1rem; }
  .portfolio-full-grid { grid-template-columns: 1fr; }
  .portfolio-page-hero { padding: 7rem 1.5rem 2rem; }
  .filter-btn { padding: 0.4rem 0.9rem; font-size: 0.7rem; }
  .clients-section { padding: 2rem 1.2rem 3rem; }
  .client-logo { padding: 0.8rem 1rem; }
  .pf-item--vertical .pf-media { max-height: 400px; }
}

@media (max-width: 380px) {
  .hero h1 { font-size: 2.8rem; }
}