/* Shared mobile polish for course, product and account pages. */
@media (max-width: 600px) {
  .nav {
    z-index: 60 !important;
  }

  .nav-toggle {
    position: relative !important;
    z-index: 2 !important;
  }

  .nav-toggle span {
    pointer-events: none;
  }

  body.menu-open .nav {
    position: fixed !important;
    inset: 0 0 auto !important;
    width: 100% !important;
    background: var(--bg, #f8f4ea) !important;
    backdrop-filter: none !important;
  }

  .mobile-menu {
    z-index: 55 !important;
    padding-top: 88px !important;
  }

  .hero {
    align-items: stretch !important;
    gap: 24px !important;
    padding-top: 24px !important;
    padding-bottom: 38px !important;
  }

  .hero > * {
    min-width: 0;
  }

  .hero h1 {
    max-width: 100% !important;
    margin-bottom: 18px !important;
    font-size: clamp(38px, 10.8vw, 46px) !important;
    line-height: 1 !important;
    letter-spacing: -0.035em !important;
    word-break: normal !important;
    hyphens: none !important;
    text-wrap: balance;
  }

  .hero-sub {
    max-width: 34ch !important;
    margin-bottom: 22px !important;
    font-size: 17px !important;
    line-height: 1.48 !important;
  }

  .hero-stats {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 0 !important;
    padding: 16px 0 !important;
    margin-bottom: 20px !important;
  }

  .hero-stats > div {
    min-width: 0;
    padding: 0 4px;
    text-align: center;
  }

  .hero-stats div .num {
    font-size: 21px !important;
    overflow-wrap: anywhere;
  }

  .hero-stats div .label {
    font-size: 8.5px !important;
    line-height: 1.35 !important;
    letter-spacing: .06em !important;
  }

  .hero-cta,
  .hero-actions {
    display: grid !important;
    grid-template-columns: 1fr !important;
    width: 100% !important;
    gap: 8px !important;
  }

  .hero-cta > a,
  .hero-actions > a {
    width: 100% !important;
    min-height: 50px;
    padding: 13px 18px !important;
    justify-content: center !important;
    text-align: center !important;
    border-radius: 999px !important;
  }

  .hero-cta .btn-ghost,
  .hero-actions .btn-ghost {
    border: 1px solid var(--rule, #e5ddc9);
    background: rgba(255, 255, 255, .48);
  }

  .hero-card {
    padding: 22px 20px !important;
    border-radius: 14px !important;
    box-shadow: 0 24px 54px -32px rgba(15, 13, 11, .48) !important;
  }

  .hero-card-label {
    margin-bottom: 10px !important;
  }

  .hero-card h3 {
    margin-bottom: 14px !important;
    font-size: 23px !important;
  }

  .hero-card li {
    padding: 8px 0 !important;
    gap: 10px !important;
    font-size: 13px !important;
  }

  .hero-video {
    min-height: 0 !important;
    aspect-ratio: 4 / 3 !important;
    border-radius: 14px !important;
    box-shadow: 0 24px 54px -32px rgba(15, 13, 11, .48) !important;
  }

  .hv-topbar {
    padding: 10px 14px !important;
  }

  .hv-content {
    padding: 14px !important;
    gap: 8px !important;
  }

  .hv-formula {
    padding: 8px 10px !important;
  }

  .book-stage {
    min-height: 286px !important;
  }

  .book-fan {
    width: 320px !important;
    max-width: 100% !important;
    height: 276px !important;
  }

  .hero-book {
    width: 124px !important;
    height: 184px !important;
    padding: 16px 13px !important;
  }

  .hero-book strong {
    font-size: 19px !important;
  }

  .book-a {
    left: 8px !important;
    top: 70px !important;
  }

  .book-b {
    left: 50% !important;
    top: 16px !important;
    margin-left: -62px !important;
  }

  .book-c {
    right: 8px !important;
    top: 86px !important;
  }
}