/* ─── Vesta Store — Responsive ─────────────────────────────────────── */

/* ── ≤ 1200px ── */
@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── ≤ 992px ── */
@media (max-width: 992px) {
  .demos-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }

  .hero-title {
    font-size: clamp(2.2rem, 7vw, 3.5rem);
  }
}

/* ── ≤ 768px ── */
@media (max-width: 768px) {
  /* Nav */
  .nav-toggle {
    display: flex;
  }

  .nav-right {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    padding: 80px var(--space-xl) var(--space-xl);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: var(--z-overlay);
    gap: var(--space-xl);
  }

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

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-lg);
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .nav-controls {
    flex-direction: row;
  }

  /* Mobile overlay */
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-overlay) - 1);
  }

  .nav-overlay.open {
    display: block;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  /* Demos */
  .demos-grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero {
    padding-top: 100px;
    min-height: auto;
    padding-bottom: var(--space-3xl);
  }
}

/* ── ≤ 576px ── */
@media (max-width: 576px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero-title {
    font-size: clamp(1.8rem, 10vw, 2.8rem);
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

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

  .service-card {
    padding: var(--space-lg);
  }

  .section-title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }

  .social-links {
    gap: var(--space-md);
  }

  .orb {
    filter: blur(60px);
    opacity: 0.4;
  }

  .orb-1 { width: 250px; height: 250px; }
  .orb-2 { width: 200px; height: 200px; }
  .orb-3 { width: 180px; height: 180px; }
}