@media (max-width: 1050px) {
  .site-header {
    flex-wrap: wrap;
    gap: 10px;
  }

  .nav {
    display: flex;
    order: 3;
    width: 100%;
    max-width: none;
    margin: 8px 0 0;
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: none;
  }

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

@media (max-width: 900px) {
  .site-header {
    flex-wrap: wrap;
    gap: 10px;
  }

  .nav {
    display: flex;
    order: 3;
    width: 100%;
    max-width: none;
    margin: 8px 0 0;
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: none;
  }

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

  .header-actions {
    justify-content: flex-end;
  }

  .invest-copy {
    padding-top: 0;
  }

  .invest-model-panel {
    grid-template-columns: 1fr;
  }

  .proof-section {
    padding: 42px 24px;
  }

  .proof-head {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
  }

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

  .legal-head {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .legal-visual {
    max-width: 620px;
  }

  .investor-pr-section {
    grid-template-columns: 1fr;
  }

  .investor-pr-copy {
    min-height: auto;
  }

  .ecosystem-map {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    margin-top: 28px;
  }

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

  .proof-grid article {
    border-right: 0;
  }
}

@media (max-width: 620px) {
  html,
  body {
    overflow-x: hidden;
  }

  .site-header {
    padding: 12px 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 14px;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand small {
    font-size: 11px;
  }

  .nav {
    padding: 5px;
    font-size: 11px;
  }

  .nav a {
    min-height: 34px;
    padding: 0 11px;
    font-weight: 720;
    white-space: nowrap;
  }

  .header-actions {
    width: 100%;
    justify-content: stretch;
    min-width: 0;
  }

  .investor-login,
  .header-cta {
    flex: 1;
    min-width: 0;
    padding-right: 12px;
    padding-left: 12px;
  }

  .investor-login strong {
    font-size: 11px;
  }

  .header-cta {
    min-width: 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 58px 18px 46px;
  }

  .hero-title-brand {
    font-size: clamp(56px, 18vw, 78px);
  }

  .hero-title-line {
    font-size: clamp(34px, 10.5vw, 48px);
    line-height: 1.04;
  }

  .hero-lead,
  .invest-copy > p,
  .rent-head p,
  .park-intro p,
  .car-import-copy p,
  .media-head p,
  .invest-lead-copy p {
    font-size: 16px;
  }

  .hero-actions,
  .center-action {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-metrics,
  .direction-grid,
  .proof-grid,
  .legal-grid,
  .investor-pr-grid,
  .evidence-grid,
  .fleet-grid,
  .two-grid,
  .article-grid,
  .invest-model-panel,
  .model-note,
  .investor-access-card {
    grid-template-columns: 1fr;
  }

  .investor-pr-grid article {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-summary {
    display: none;
  }

  .section {
    padding: 54px 18px;
  }

  .section h2,
  .invest-copy h2,
  .rent-head h2,
  .park-intro h2,
  .car-import-copy h2,
  .media-head h2,
  .invest-lead-copy h2,
  .investor-access-card h2,
  .final-cta h2 {
    font-size: clamp(34px, 10vw, 46px);
    line-height: 1.05;
  }

  .trust-strip {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .proof-section,
  .legal-section,
  .investor-pr-section,
  .park-shell,
  .evidence-section,
  .investor-access-card,
  .final-cta {
    padding: 28px 20px;
    border-radius: 28px;
  }

  .proof-map,
  .legal-visual,
  .park-visual,
  .rent-load-panel,
  .import-route,
  .cta-flow {
    display: none;
  }

  .calculator-card,
  .invest-form {
    padding: 22px;
    border-radius: 24px;
  }

  .calculator-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .calc-total,
  .calc-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .car-visual {
    height: 178px;
  }

  .model-note ul {
    justify-content: flex-start;
  }

  .evidence-team-photo {
    border-radius: 24px;
  }

  .evidence-team-photo img {
    height: 360px;
    object-position: center top;
  }

  .evidence-team-photo figcaption {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    grid-template-columns: 1fr;
    gap: 10px;
    margin: -76px 14px 14px;
    padding: 16px;
  }

  .evidence-team-photo figcaption p {
    grid-column: auto;
  }

  .evidence-showcase {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .founder-portrait-card,
  .founder-portrait-card img,
  .team-proof-board {
    min-height: 360px;
  }

  .founder-portrait-card img {
    object-position: 50% 16%;
  }

  .founder-portrait-card figcaption {
    right: 16px;
    bottom: 16px;
    left: 16px;
    padding: 16px;
  }

  .team-proof-board {
    padding: 22px;
  }

  .team-proof-title strong {
    font-size: clamp(28px, 8vw, 40px);
  }

  .team-avatars {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 22px 0;
  }

  .team-avatars i {
    min-height: 94px;
    border-radius: 18px;
  }

  .team-proof-flow {
    grid-template-columns: repeat(2, 1fr);
  }

  .investor-access-panel {
    padding: 22px;
  }

  .footer {
    padding: 34px 18px 28px;
  }

  .footer-main,
  .footer-bottom {
    flex-direction: column;
  }

  .footer-cta {
    width: fit-content;
  }

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

  .park-location-strip {
    grid-template-columns: 1fr;
  }

  .legal-note {
    flex-direction: column;
  }
}