/* Mobile navigation — progressive enhancement.
   Styles only apply once mobile-nav.js has flagged <html class="mnav-ready">. */

.mnav-toggle { display: none; }

@media (max-width: 900px) {
  .mnav-ready .header-inner > nav { display: none; }

  .mnav-ready .mnav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 44px; height: 44px; padding: 0 10px; margin-right: -10px;
    background: none; border: 0; cursor: pointer; -webkit-tap-highlight-color: transparent;
  }
  .mnav-toggle .mnav-bar {
    display: block; height: 2px; width: 100%; background: var(--slate, #2C3E50);
    transition: transform 180ms ease, opacity 140ms ease;
  }
  .mnav-toggle[aria-expanded="true"] .mnav-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .mnav-toggle[aria-expanded="true"] .mnav-bar:nth-child(2) { opacity: 0; }
  .mnav-toggle[aria-expanded="true"] .mnav-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mnav-scrim {
    position: fixed; inset: 0; background: rgba(44, 62, 80, 0.45);
    opacity: 0; visibility: hidden; transition: opacity 200ms ease, visibility 200ms ease;
    z-index: 998;
  }
  .mnav-open .mnav-scrim { opacity: 1; visibility: visible; }

  .mnav-panel {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: min(360px, 88vw); background: var(--canvas, #fff);
    border-left: 1px solid var(--gray-200, #E5E9ED);
    box-shadow: -8px 0 32px rgba(46, 83, 159, 0.14);
    transform: translateX(100%); transition: transform 220ms ease;
    z-index: 999; display: flex; flex-direction: column;
    overflow-y: auto; -webkit-overflow-scrolling: touch;
    visibility: hidden;
  }
  .mnav-open .mnav-panel { transform: translateX(0); visibility: visible; }
  .mnav-open { overflow: hidden; }

  .mnav-panel-head {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px; padding: 0 20px; flex: 0 0 auto;
    border-bottom: 1px solid var(--gray-200, #E5E9ED);
  }
  .mnav-panel-head .mnav-title {
    font-size: 12px; font-weight: 700; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--steel, #7F8C8D);
  }
  .mnav-close {
    width: 40px; height: 40px; margin-right: -8px; background: none; border: 0;
    font-size: 26px; line-height: 1; color: var(--slate, #2C3E50); cursor: pointer;
  }

  .mnav-list, .mnav-sublist { list-style: none; margin: 0; padding: 0; }
  .mnav-list > li { border-bottom: 1px solid var(--gray-200, #E5E9ED); }

  .mnav-list > li > a,
  .mnav-section-toggle {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    width: 100%; padding: 16px 20px; text-align: left;
    font-family: inherit; font-size: 16px; font-weight: 600;
    color: var(--slate, #2C3E50); background: none; border: 0; cursor: pointer;
  }
  .mnav-list > li > a:hover, .mnav-section-toggle:hover { color: var(--sapphire, #2E539F); text-decoration: none; }

  .mnav-section-toggle .mnav-chevron {
    flex: 0 0 auto; width: 10px; height: 10px; border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor; transform: rotate(45deg) translate(-3px, -3px);
    transition: transform 180ms ease; opacity: 0.55;
  }
  .mnav-section-toggle[aria-expanded="true"] .mnav-chevron { transform: rotate(-135deg) translate(-3px, -3px); }

  .mnav-sublist { display: none; padding: 0 0 12px; background: var(--mist, #F4F6F8); }
  .mnav-sublist.is-open { display: block; }
  .mnav-sublist a {
    display: block; padding: 12px 20px 12px 32px;
    font-size: 15px; font-weight: 500; color: var(--slate, #2C3E50);
  }
  .mnav-sublist a:hover { color: var(--sapphire, #2E539F); text-decoration: none; }
}

@media (min-width: 901px) {
  .mnav-panel, .mnav-scrim { display: none; }
}
