/* ─── RESPONSIVE ─── */

/* Tablet: 4-col manifest → 2×2, declass 3-col → 2-col */
@media (max-width: 900px) {
  .declass-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .manifest-col {
    padding: 14px 14px 14px 0;
    border-right: none !important;
    border-bottom: 1px solid var(--border);
  }

  .manifest-col:not(:first-child) {
    padding-left: 14px;
  }

  .manifest-col:nth-child(1),
  .manifest-col:nth-child(3) {
    border-right: 1px solid var(--border) !important;
  }

  .manifest-col:nth-child(3),
  .manifest-col:nth-child(4) {
    border-bottom: none;
  }

  /* Featured folders: stay 2-col on tablet */

  .folder-name-row .featured-card-name {
    font-size: 20px;
  }

  .featured-card-name {
    font-size: 19px;
  }

  .featured-card-stat-value {
    font-size: 24px;
  }

  .featured-card-stat--primary .featured-card-stat-value { font-size: 30px; }
  .featured-card-stat--secondary .featured-card-stat-value { font-size: 18px; }

/* Spec grid: 2-col on tablet */
  .spec-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* HUMINT block: stack on tablet */
  .humint-body {
    flex-direction: column;
    gap: 20px;
  }

  .humint-divider {
    width: 100%;
    height: 1px;
    margin: 0;
  }

  .humint-col--langs {
    min-width: unset;
  }

  .humint-langs {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 20px;
  }

  .spec-cell:nth-child(3n) {
    border-right: 1px solid var(--border);
  }

  .spec-cell:nth-child(2n) {
    border-right: none;
  }

  .spec-cell:nth-last-child(-n+3) {
    border-bottom: 1px solid var(--border);
  }

  .spec-cell:nth-last-child(-n+2) {
    border-bottom: none;
  }
}

/* Mobile: hamburger, single-column layouts */
@media (max-width: 768px) {
  body > nav {
    padding: 0 20px;
  }

  .nav-links,
  .nav-contact {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 88px 20px 48px;
    min-height: auto;
  }

  .hero::before {
    display: none;
  }

  .hero-inner::before {
    display: none;
  }

  .terminal-section {
    padding: 0 20px 56px;
  }

  .section-shell {
    padding: 56px 20px;
  }

  .section-header {
    grid-template-columns: 36px 1fr;
  }

  .index-separator {
    margin: 24px 0 16px;
  }

  /* Hero eyebrow: allow wrapping, hide cursor on wrap to prevent orphaned _ */
  .hero-eyebrow {
    flex-wrap: wrap;
    gap: 8px;
  }

  /* Hero impact: tighten on mobile */
  .hero-impact {
    font-size: 17px;
    margin-top: 16px;
  }

  /* Hero bottom row: stack vertically on mobile */
  .hero-bottom-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  /* Hero abstract: collapse label above text for readability */
  .hero-abstract {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .abstract-marker {
    padding-top: 0;
  }

  /* Featured folders: stack on mobile */
  .featured-projects {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .folder-name-row .featured-card-name {
    font-size: 18px;
  }

  .featured-card-name {
    font-size: 18px;
  }

  .featured-card-desc {
    font-size: 13px;
  }

  .featured-card-stat-value {
    font-size: 22px;
  }

  .featured-card-stat--primary .featured-card-stat-value { font-size: 28px; }
  .featured-card-stat--secondary .featured-card-stat-value { font-size: 16px; }

  /* Declass grid: 2-col on mobile */
  .declass-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .folder-body { padding: 14px 16px; }
  .file-folder--declass .folder-body { padding: 12px 14px 14px; }
  .folder-rule { margin: 0 -16px; }
  .file-folder--declass .folder-rule { margin: 0 -14px; }

  /* Hero social icons: 44px touch targets */
  .hero-social {
    width: 44px;
    height: 44px;
  }

  /* Buttons: comfortable touch height */
  .btn-primary,
  .btn-secondary {
    min-height: 44px;
  }

  .edu-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .edu-abbr {
    font-size: 32px;
  }

  footer {
    padding: 20px 20px calc(20px + env(safe-area-inset-bottom));
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  /* Ghost "CLASSIFIED" watermark: scale down on mobile */
  .footer-classified {
    font-size: 28px;
    letter-spacing: 6px;
  }


  /* Dossier: bottom-sheet on mobile */
  .dossier-panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    width: 100%;
    max-height: 88vh;
    transform: translateY(100%);
    border-left: none;
    border-top: 1px solid rgba(167, 139, 250, 0.18);
    border-radius: 12px 12px 0 0;
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.7);
  }

  .dossier-overlay.active .dossier-panel {
    transform: translateY(0);
  }

  .dossier-inner {
    padding: 18px 18px calc(22px + env(safe-area-inset-bottom));
  }

  /* Dossier close button: larger touch area */
  .dossier-close {
    padding: 10px 14px;
  }
}