.mobile-course-home,
.mobile-course-nav {
  display: none;
}
@media (max-width: 700px) {
  body.mobile-course-view {
    padding-bottom: 76px;
  }
  .topbar {
    height: 64px;
    padding: 0 16px;
  }
  .brandmark {
    width: 36px;
    height: 36px;
  }
  .brand {
    font-size: 14px;
  }
  .hero {
    padding: 38px 18px 34px;
    display: block;
  }
  .hero h1 {
    font-size: 42px;
  }
  .hero .lead {
    margin: 20px 0 24px;
  }
  .today-card {
    display: none;
  }
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
  }
  .hero-actions .primary {
    grid-column: 1/-1;
  }
  .hero-actions a {
    min-height: 48px;
    justify-content: center;
    text-align: center;
    padding: 12px 10px;
    font-size: 14px;
  }
  .quick {
    display: none;
  }
  .mobile-course-home {
    display: block;
    padding: 30px 16px 70px;
    background: #f5f9fc;
  }
  .mobile-course-intro h2 {
    font-size: 31px;
    line-height: 1.05;
    letter-spacing: -0.035em;
    margin: 0 0 12px;
    color: var(--navy);
  }
  .mobile-course-intro > p:last-child {
    color: var(--muted);
    line-height: 1.5;
    margin-bottom: 24px;
  }
  .mobile-course-list {
    display: grid;
    gap: 10px;
  }
  .mobile-reference-label {
    margin: 15px 2px 2px;
    color: var(--blue);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
  }
  .mobile-course-list button {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 2px 12px;
    align-items: center;
    width: 100%;
    min-height: 72px;
    padding: 13px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    color: var(--ink);
    text-align: left;
    box-shadow: 0 3px 12px #09243c0a;
  }
  .mobile-course-list button > span {
    grid-row: 1/3;
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: #edf5fe;
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
  }
  .mobile-course-list b {
    font-size: 16px;
  }
  .mobile-course-list small {
    color: var(--muted);
    font-size: 13px;
  }
  body.mobile-course-view .hero,
  body.mobile-course-view .mobile-course-home,
  body.mobile-course-view main > section:not(.mobile-active),
  body.mobile-course-view footer {
    display: none !important;
  }
  body.mobile-course-view main > section.mobile-active {
    display: block !important;
    margin-top: 0;
  }
  body.mobile-course-view .mobile-course-nav {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: #fff;
    border-top: 1px solid var(--line);
    box-shadow: 0 -8px 22px #071c3314;
  }
  .mobile-course-nav button {
    min-width: 44px;
    min-height: 44px;
    border: 0;
    border-radius: 9px;
    background: #edf5fe;
    color: var(--blue);
    font-weight: 800;
  }
  .mobile-course-nav > button {
    padding: 0 14px;
  }
  .mobile-course-nav > button span {
    margin-left: 5px;
  }
  .mobile-course-nav > div {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .mobile-course-nav > div > span {
    min-width: 42px;
    text-align: center;
    color: var(--muted);
    font-size: 12px;
  }
  .mobile-course-nav button:disabled {
    opacity: 0.35;
  }
  .welcome-course,
  .equipment-course,
  .paperwork-course,
  .field-reference,
  .forms-section,
  .faq-section,
  .training,
  .quiz-section,
  .feedback-section {
    padding: 30px 16px 54px !important;
  }
  .field-guide {
    margin: 0 !important;
    border-radius: 0 !important;
    padding: 30px 18px 54px !important;
  }
  body.mobile-course-view .help {
    display: none !important;
  }
  .welcome-heading,
  .course-intro,
  .paperwork-intro,
  .field-reference-heading,
  .forms-heading,
  .faq-heading,
  .section-head,
  .quiz-heading,
  .feedback-copy {
    display: block !important;
    margin-bottom: 24px !important;
  }
  .welcome-heading h2,
  .course-intro h2,
  .paperwork-intro h2,
  .field-reference-heading h2,
  .forms-heading h2,
  .faq-heading h2,
  .section-head h2,
  .quiz-heading h2,
  .feedback-copy h2 {
    font-size: 31px !important;
    line-height: 1.08 !important;
  }
  .expectation-grid {
    grid-template-columns: 1fr !important;
  }
  .expectation-grid article {
    padding: 18px !important;
  }
  .equipment-head,
  .paperwork-head {
    padding: 17px 13px !important;
  }
  .equipment-body,
  .paperwork-body {
    padding: 0 16px 22px !important;
  }
  .module-grid {
    display: block;
  }
  .module {
    margin-bottom: 10px;
  }
  .module-body {
    padding: 0 16px 22px !important;
  }
  .equipment-complete,
  .paperwork-complete,
  .complete {
    width: 100%;
    min-height: 48px;
  }
}