@media (max-width: 1180px) {
  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .performance-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  :root {
    --header-height: 82px;
  }

  .nav-wrap {
    grid-template-columns: 1fr auto auto;
  }

  .nav-toggle {
    display: inline-block;
    justify-self: end;
  }

  .nav-cta {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    right: 0;
    width: min(340px, 90vw);
    height: calc(100vh - var(--header-height));
    background: rgba(6, 6, 6, 0.98);
    border-left: 1px solid var(--border);
    backdrop-filter: blur(8px);
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 28px;
    transform: translateX(100%);
    transition: transform 260ms ease;
  }

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

  .choose-grid,
  .contact-wrap,
  .cta-banner,
  .page-grid {
    grid-template-columns: 1fr;
  }

  .teacher-grid,
  .syllabus-grid,
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }

  .hero-actions .btn,
  .center-cta .btn,
  .cta-banner .btn,
  .contact-form .btn,
  .nav-cta .btn {
    width: 100%;
  }

  .feature-grid,
  .performance-grid,
  .teacher-grid,
  .syllabus-grid,
  .faq-grid,
  .stats,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    letter-spacing: 0.01em;
  }

  .brand-sub {
    display: none;
  }

  .brand-logo {
    width: 28px;
    height: 28px;
  }

  .testimonial-card {
    padding: 20px;
  }
}

@media (max-width: 420px) {
  .btn {
    padding: 12px 16px;
    font-size: 0.93rem;
  }

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

  .cta-banner {
    padding: 24px;
  }
}