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iframe,input[type=file],input[type=range]{width:100%;max-width:100%}.admin-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:.75rem;margin-bottom:1rem;display:flex}.table-actions{flex-wrap:wrap;gap:.35rem;display:flex}.danger-zone{border:2px solid var(--danger);border-radius:var(--radius-md);margin-top:2rem;padding:1.2rem}.danger-zone h2{color:var(--danger);margin-top:0}.notice{border-left:5px solid var(--cyan-500);background:var(--surface-subtle);padding:1rem}.notice strong{display:block}.source-list li+li{margin-top:.75rem}.plain-list li+li{margin-top:.45rem}.site-footer{background:var(--navy-950);color:#fff;margin-top:auto;padding-block:3rem 1.4rem}.footer-grid{grid-template-columns:2fr 1fr 1fr;gap:2rem;display:grid}.footer-brand{margin:0;font-size:1.5rem;font-weight:900}.footer-summary{color:#bed2de;max-width:25rem}.footer-grid h2{color:var(--cyan-300);text-transform:uppercase;letter-spacing:.11em;margin:0 0 .5rem;font-size:.85rem}.footer-grid li+li{margin-top:.35rem}.footer-grid a{color:#e7f3f8}.footer-bottom{color:#a9c1ce;border-top:1px solid #ffffff2e;justify-content:space-between;gap:1rem;margin-top:2rem;padding-top:1.2rem;font-size:.84rem;display:flex}.footer-bottom p{margin:0}@media (max-width:64rem){.desktop-nav,.header-actions{display:none}.mobile-menu{display:block}.hero-grid{grid-template-columns:1fr;min-height:auto}.orientation-card{max-width:38rem}.card-grid{grid-template-columns:repeat(2,1fr)}.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static}}@media (max-width:46rem){.page-shell,.narrow-shell{width:min(100% - 1.25rem,74rem)}.hero-grid{gap:2rem;padding-block:3.25rem}.hero-copy h1{font-size:clamp(2.55rem,13vw,4rem)}.button-row .button{width:100%}.outcome-grid,.card-grid,.split-feature,.dashboard-grid,.stat-grid,.settings-layout,.footer-grid,.image-comparison,.product-grid{grid-template-columns:1fr}.outcome-card{min-height:auto}.outcome-number{margin-bottom:2rem}.callout-card{display:grid}.callout-card .button{width:100%}.reader-list li{display:grid}.reader-list span{text-align:left}.settings-nav{position:static}.lesson-nav,.footer-bottom{flex-direction:column}.footer-grid{gap:1.5rem}th,td{padding:.5rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}:root[data-motion=reduced] *,:root[data-motion=reduced] :before,:root[data-motion=reduced] :after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}@media 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