@media (max-width: 1080px) {
  .hero-layout,
  .portfolio-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 620px;
  }
}

@media (max-width: 820px) {
  :root {
    --container: min(100vw - 28px, 100%);
    --header-height: auto;
  }

  .site-header {
    position: sticky;
  }

  .header-inner {
    min-height: 0;
    padding: 12px 0 10px;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }

  .brand-text {
    font-size: 1rem;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .site-nav {
    flex: 1 1 auto;
    flex-wrap: nowrap;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
    padding-right: 16px;
    mask-image: linear-gradient(90deg, #000 0%, #000 84%, rgba(0, 0, 0, 0.22) 100%);
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .nav-link {
    flex: 0 0 auto;
    padding: 9px 12px;
    font-size: 0.96rem;
  }

  .language-switcher {
    flex: 0 0 auto;
    padding: 2px;
    border-color: rgba(92, 114, 144, 0.22);
    background: rgba(255, 255, 255, 0.025);
  }

  .language-button {
    padding: 6px 10px;
    color: rgba(155, 167, 180, 0.9);
    font-size: 0.88rem;
  }

  .language-button.is-active {
    background: rgba(245, 158, 11, 0.16);
    color: #ffe4a0;
    font-weight: 700;
  }

  .section {
    padding: 88px 0;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-copy,
  .hero-panel,
  .contact-panel,
  .portfolio-card,
  .capability-card {
    padding: 24px;
  }
}

@media (max-width: 560px) {
  .header-inner {
    padding: 10px 0 8px;
    gap: 8px 10px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 0.8rem;
  }

  .hero-title {
    font-size: clamp(2.3rem, 12vw, 3.5rem);
    gap: 4px;
  }

  .button,
  .filter-button,
  .portfolio-toggle {
    width: 100%;
  }

  .hero-actions {
    align-items: stretch;
  }

  .portfolio-card-header {
    flex-direction: column;
  }

  .contact-grid {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-card {
    flex: none;
    width: 100%;
    min-height: 0;
  }

  .brand-text {
    font-size: 0.92rem;
  }

  .site-nav {
    gap: 4px;
    padding-right: 20px;
  }

  .nav-link {
    padding: 8px 10px;
    font-size: 0.92rem;
  }

  .language-switcher {
    padding: 3px;
  }

  .language-button {
    padding: 6px 9px;
    min-width: 44px;
    font-size: 0.84rem;
  }

  .portfolio-modal-dialog {
    width: 100vw;
    max-height: 100vh;
    margin: 0;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
  }

  .portfolio-modal-body {
    max-height: 100vh;
    padding: 72px 20px calc(96px + env(safe-area-inset-bottom, 0px)) 20px;
  }
}