/* ============================================
   RESPONSIVE STYLES
   Breakpoints: 320, 768, 1024, 1440
   ============================================ */

/* --- Tablet & Below (768px) --- */
@media (max-width: 768px) {
  :root {
    --space-xl: 3rem;
    --space-2xl: 5rem;
  }

  .container {
    padding: 0 20px;
  }

  /* Navbar */
  .navbar {
    top: 12px;
    width: calc(100% - 24px);
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-socials {
    display: none;
  }

  .nav-center {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .nav-link {
    font-size: 0.8rem;
    padding: 6px 14px;
  }

  /* Hero — centered, editorial but mobile-friendly */
  .hero {
    padding-top: var(--nav-height);
    justify-content: center;
  }

  .hero > .container {
    padding-bottom: 100px; /* space for absolute bottom strip */
  }

  /* Name stays large on mobile — it's the statement */
  .hero-name {
    font-size: clamp(3.5rem, 14vw, 6rem);
    letter-spacing: -0.02em;
  }

  .hero-role {
    font-size: 0.6rem;
    margin-bottom: 1.2rem;
  }

  .hero-tagline {
    font-size: clamp(0.9rem, 3.5vw, 1.1rem);
  }

  .hero-bottom {
    left: 20px;
    right: 20px;
    bottom: var(--space-lg);
  }

  .scroll-indicator {
    display: none;
  }

  /* Marquee — faster on mobile */
  .marquee-track {
    animation-duration: 18s;
  }

  /* Certs — 2 columns on tablet */
  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Projects Grid */
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-preview-img {
    display: none; /* hover previews off on touch */
  }

  /* Tech Stack */
  .tech-categories {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  /* Footer */
  .footer-content {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .footer-name {
    font-size: 2rem;
  }
}

/* --- Mobile Small (480px) --- */
@media (max-width: 480px) {
  .hero-name {
    font-size: clamp(2.8rem, 13vw, 4.5rem);
    line-height: 0.9;
  }

  .tech-categories {
    grid-template-columns: 1fr;
  }

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

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

  .nav-center {
    padding: 6px 4px;
  }

  .nav-link {
    font-size: 0.75rem;
    padding: 6px 10px;
  }

  /* Pre-footer */
  .pre-footer-text {
    font-size: 1rem;
  }
}

/* --- Large screens (1440px+) --- */
@media (min-width: 1440px) {
  :root {
    --max-width: 1300px;
  }
}

/* --- Reduce motion preference --- */
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  .scroll-line::after { animation: none; }
  .status-dot,
  .status-dot::before { animation: none; }
  .hero-word { transform: none; }
}