/* Mobile navigation is progressively enhanced; the complete site works without JS. */
.mobile-hub, .mobile-dock, .mobile-back { display: none; }
.mobile-fold { border: 0; }
.mobile-fold > summary { display: none; }
.topic-toggle { padding: 0; border: 0; text-align: left; color: inherit; background: none; font: inherit; margin: auto 0 .85rem; }
.topic-toggle h3 { margin: 0; }
.topic-toggle:disabled { opacity: 1; }
.topic-icon { display: none; }
@media (max-width: 700px) {
  html { scroll-behavior: auto; scroll-padding-top: 82px; }
  body.mobile-app { padding-bottom: calc(74px + env(safe-area-inset-bottom)); }
  .mobile-app main > section { display: none; }
  .mobile-app main > section.mobile-active { display: block; }
  .mobile-app .shell { width: calc(100% - 2.25rem); }
  .mobile-app section { padding: 94px 0 28px; }
  .mobile-app .hero { padding: 90px 0 26px; }
  .mobile-app .hero-layout { grid-template-columns: 1fr 106px; gap: 16px; align-items: start; }
  .mobile-app .hero-copy { grid-column: 1 / -1; grid-row: 1; }
  .mobile-app .hero-media { grid-column: 2; grid-row: 1; width: 106px; border-radius: 16px; margin: 0; box-shadow: none; }
  .mobile-app .hero-media figcaption { display: none; }
  .mobile-app .hero-copy > .kicker { max-width: calc(100% - 120px); min-height: 110px; font-size: .66rem; line-height: 1.65; letter-spacing: .09em; }
  .mobile-app .hero-copy > .kicker:before { display: none; }
  .mobile-app h1 { max-width: 12ch; margin: 12px 0; font-size: clamp(2.75rem, 12vw, 4rem); line-height: 1.04; }
  .mobile-app .hero-role { font-size: 1.05rem; margin-top: 14px; }
  .mobile-app .hero-lede { display: none; }
  .mobile-app .hero .actions { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 22px; }
  .mobile-app .hero .button { min-height: 46px; padding: .65rem .9rem; font-size: .9rem; }
  .mobile-app .social-inline { margin-top: 18px; font-size: .84rem; gap: 14px; }
  .mobile-app .mobile-hub.mobile-active { display: block; padding: 26px 0 30px; background: var(--cream); }
  .mobile-hub h2 { font-size: 1.4rem; letter-spacing: -.03em; }
  .mobile-hub > .shell > p { margin: 8px 0 18px; color: var(--muted); font-size: .9rem; }
  .mobile-hub-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .mobile-hub-grid a { min-height: 96px; display: flex; flex-direction: column; justify-content: center; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); text-decoration: none; }
  .mobile-hub-grid strong { font: 700 .94rem/1.3 Manrope, sans-serif; }
  .mobile-hub-grid small { margin-top: 5px; color: var(--muted); line-height: 1.4; }
  .mobile-app .mobile-back { display: block; width: calc(100% - 2.25rem); margin: 0 auto 22px; color: var(--accent-dark); font-weight: 700; font-size: .88rem; text-decoration: none; }
  .mobile-app .speaking > .mobile-back, .mobile-app .impact > .mobile-back { color: var(--accent); }
  .mobile-app .mobile-dock { display: grid; grid-template-columns: repeat(4, 1fr); position: fixed; inset: auto 0 0; z-index: 60; padding: 9px 10px calc(9px + env(safe-area-inset-bottom)); background: #171a1c; border-top: 1px solid #42494b; gap: 5px; }
  .mobile-dock a { display: grid; place-items: center; min-height: 48px; border-radius: 10px; color: #d3dcdd; font-weight: 700; font-size: .8rem; text-decoration: none; }
  .mobile-dock a[aria-current] { background: #293e40; color: #73d6db; }
  .mobile-dock a:last-child { background: var(--accent); color: #102427; }
  .mobile-app .mobile-book { display: none; }
  .mobile-app .section-head { gap: 12px; margin-bottom: 24px; }
  .mobile-app .section-head h2, .mobile-app .evidence-lead h2, .mobile-app .booking-copy h2 { font-size: 2.15rem; max-width: 18ch; }
  .mobile-app .section-head p, .mobile-app .booking-copy p, .mobile-app .evidence-lead p { font-size: 1rem; }
  .mobile-app .kicker { font-size: .68rem; letter-spacing: .12em; }
  .mobile-app .reveal { opacity: 1; transform: none; }
  .mobile-app .mobile-fold { border-block: 1px solid var(--line); margin: 12px 0; }
  .mobile-app .mobile-fold > summary { display: grid; padding: 15px 0; gap: 12px; }
  .mobile-app summary strong { font-size: 1rem; line-height: 1.4; }
  .mobile-app .speaking .mobile-fold, .mobile-app .impact .mobile-fold { border-color: var(--line-dark); }
  .mobile-app .speaking summary span, .mobile-app .impact summary span { color: var(--accent); border-color: var(--line-dark); }
  .mobile-app .intro-grid { gap: 20px; padding: 8px 0 20px; }
  .mobile-app .topics { grid-template-columns: 1fr; gap: 8px; }
  .mobile-app .topic { padding: 15px; min-height: 0; border-radius: 12px; }
  .mobile-app .topic-num { font-size: .65rem; }
  .mobile-app .topic-toggle { display: flex; align-items: center; justify-content: space-between; gap: 14px; width: 100%; margin: 8px 0 0; cursor: pointer; min-height: 44px; }
  .mobile-app .topic-icon { display: inline; color: var(--accent); font-size: 1.4rem; }
  .mobile-app .topic h3 { font-size: 1.1rem; line-height: 1.3; }
  .mobile-app .topic p { display: none; margin-top: 10px; }
  .mobile-app .topic.expanded p { display: block; }
  .mobile-app .media-block { margin-top: 26px; }
  .mobile-app .media-heading h3 { font-size: 1.7rem; }
  .mobile-app .evidence-grid, .mobile-app .booking-grid { gap: 20px; }
  .mobile-app .booking-copy .portrait-pin { display: none; }
  .mobile-app .form { padding: 18px; gap: 14px; }
  .mobile-app input, .mobile-app select, .mobile-app textarea { font-size: 16px; min-width: 0; }
  .mobile-app .route-note { margin-top: 18px; padding-top: 14px; }
  .mobile-app .hope-feature { padding: 18px; margin: 20px 0; }
  .mobile-app .hope-intro { gap: 22px; }
  .mobile-app .hope-intro h3 { font-size: 1.8rem; }
  .mobile-app .hope-goal { padding: 16px; }
  .mobile-app .hope-goal strong { font-size: 4rem; }
  .mobile-app .hope-cta { gap: 16px; }
  .mobile-app .hope-cta p { font-size: .9rem; }
  .mobile-app .book-cover-link { width: 140px; }
  .mobile-app .book-feature-grid { gap: 22px; }
  .mobile-app .book-copy h2 { font-size: 2rem; }
  .mobile-app .connect-grid { gap: 18px; }
  .mobile-app .connection-link { padding: 13px 0; }
  .mobile-app .footer { padding: 22px 0; }
  .mobile-app .footer-inner { font-size: .75rem; gap: 4px; }
  .mobile-app .footer-links { display: none; }
  .mobile-app .navlinks a { min-height: 44px; display: flex; align-items: center; }
  .mobile-app .menu { min-width: 44px; min-height: 44px; }
}