@media (max-width: 980px) {
  :root {
    --container: 980px;
  }

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

  .hero-art {
    min-height: 460px;
  }

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

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

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  :root {
    --header-h: 64px;
  }

  .section {
    padding: 78px 0;
  }

  .container {
    width: min(var(--container), calc(100% - 2 * var(--space-5)));
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-panel {
    position: absolute;
    right: calc((100vw - min(var(--container), calc(100% - 2 * var(--space-5)))) / 2);
    top: calc(var(--header-h) + 10px);
    width: min(520px, calc(100vw - 2 * var(--space-5)));
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 12px;
    border-radius: 20px;
    background: rgba(7, 10, 18, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow-md);
    transform-origin: top right;
    transform: scale(0.98) translateY(-6px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }

  .nav-panel.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1) translateY(0);
  }

  .nav-link {
    padding: 12px 14px;
  }

  .nav-cta {
    margin-left: 0;
    width: 100%;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

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

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .step {
    flex-direction: column;
    gap: var(--space-4);
  }

  .step-index {
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 420px) {
  .brand {
    min-width: 0;
  }

  .brand-subtitle {
    display: none;
  }

  .hero-art {
    min-height: 420px;
  }

  .glass-surface {
    inset: 16px;
    padding: var(--space-5);
  }
}