/* LessonFull redesign (2026-10-06): shared tokens, banner, header + mega menus, footer, cards and pills.
   Source of truth for the look: design/redesign-2026-10-06/README.md */
:root{--lf-paper:#fffdf0;--lf-ink:#1a1a1a;--lf-violet:#af98ff;--lf-deep:#6741d9;--lf-deep-hover:#5730c1;--lf-link:#5630bc;--lf-link-hover:#3d226b;--lf-eyebrow:#6941cf;--lf-mint:#56eaaf;--lf-mint-hover:#49dfa2;--lf-yellow:#ffe500;--lf-peach:#ffd0b2;--lf-lav:#efeaff;--lf-lav-2:#f3efff;--lf-lav-3:#f7f4ff;--lf-mint-tint:#e5f8ed;--lf-yellow-tint:#fff5bb;--lf-peach-tint:#fff2e5;--lf-sand:#f3f0de;--lf-rule:#e5dfcf;--lf-input:#d9d5c8;--lf-lav-line:#d9ceef;--lf-body:#4f4a44;--lf-muted:#66615d;--lf-muted-2:#5a5652;--lf-on-violet:#33234d;--lf-serif:'Fraunces',Georgia,serif;--lf-sans:'DM Sans',Arial,sans-serif;--lf-gutter:clamp(20px,4vw,48px);--lf-blob:48% 52% 46% 54% / 51% 47% 53% 49%}
body{background:var(--lf-paper);color:var(--lf-ink);font-family:var(--lf-sans);-webkit-font-smoothing:antialiased}
.lf-shell{max-width:1320px;margin:0 auto;padding:0 var(--lf-gutter)}
.lf-eyebrow{font-size:12px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--lf-eyebrow)}
.lf-h2{margin:0;font-family:var(--lf-serif);font-weight:400;font-size:clamp(32px,3.4vw,46px);line-height:1.12;letter-spacing:-.04em}
.lf-grid-violet{background-color:var(--lf-violet);background-image:linear-gradient(rgba(86,61,174,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(86,61,174,.10) 1px,transparent 1px);background-size:32px 32px}

/* Preview banner (experience.js keeps the copy honest and swaps it for the sample member state) */
.preview-strip{background:var(--lf-lav);border:0;border-bottom:1px solid #e0d8f2;padding:9px 20px;display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap;text-align:center;font-size:13px;line-height:1.5;color:var(--lf-on-violet)}
.preview-strip a,.preview-strip button{color:var(--lf-link);text-decoration:underline;text-underline-offset:3px;font-weight:600;background:none;border:0;padding:0;font-size:13px}
.preview-strip.member{background:#d9f9ea;color:#17452f;border-bottom-color:#bfeed7}

/* Header */
.lf-top{position:relative;z-index:40;background:var(--lf-paper)}
.lf-header{background:var(--lf-paper);border-bottom:1px solid var(--lf-rule)}
.lf-header-row{height:80px;display:flex;align-items:center;justify-content:space-between;gap:clamp(12px,2vw,24px)}
.lf-logo{display:block;position:relative;width:clamp(140px,14vw,172px);aspect-ratio:1552/276;overflow:hidden;flex-shrink:0}
.lf-logo img{position:absolute;width:127.771%;height:auto;max-width:none;left:-14.111%;top:-91.304%;mix-blend-mode:multiply}
.lf-nav{display:flex;gap:6px;font-size:15px;flex:1;margin-left:clamp(4px,1.5vw,20px);min-width:0;align-self:stretch;align-items:stretch}
.lf-nav-item{display:flex;align-items:center;gap:6px;background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;padding:0 clamp(6px,1vw,12px);font:inherit;font-size:15px;color:var(--lf-ink);cursor:pointer;white-space:nowrap;flex-shrink:0;text-decoration:none}
.lf-nav-item[aria-expanded=true]{border-bottom-color:var(--lf-deep)}
.lf-nav-link:hover{text-decoration:underline;text-underline-offset:6px}
.lf-chevron{flex-shrink:0;transition:transform .15s}
.lf-nav-item[aria-expanded=true] .lf-chevron{transform:rotate(180deg)}
.lf-actions{display:flex;align-items:center;gap:clamp(12px,1.6vw,22px);flex-shrink:0}
.lf-login{background:none;border:0;padding:8px 0;font:inherit;font-size:15px;color:var(--lf-ink);cursor:pointer;white-space:nowrap}
.lf-login:hover{text-decoration:underline;text-underline-offset:5px}
.lf-join{background:var(--lf-mint);border:1px solid var(--lf-mint);color:var(--lf-ink);font:inherit;font-weight:650;font-size:15px;padding:11px clamp(16px,1.8vw,24px);border-radius:8px;cursor:pointer;white-space:nowrap}
.lf-join:hover{background:var(--lf-mint-hover);border-color:var(--lf-mint-hover)}
.lf-menu-button{display:none;background:none;border:0;padding:8px;color:var(--lf-ink)}

/* Mega menus */
.lf-mega{position:absolute;left:0;right:0;top:100%;background:var(--lf-paper);border-top:1px solid var(--lf-rule);border-bottom:1px solid var(--lf-rule);box-shadow:0 18px 32px rgba(37,25,62,.10);font-size:15px}
.lf-mega[hidden]{display:none}
.lf-mega>.lf-shell{padding-top:32px}
.lf-mega a{color:var(--lf-ink);text-decoration:none}
.lf-mega-subjects{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px}
.lf-mega-columns{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:28px 24px}
.lf-mega-col{display:flex;flex-direction:column;gap:4px}
.lf-mega-col a{font-size:14px;color:var(--lf-muted-2);padding:5px 0}
.lf-mega-col a:hover{color:var(--lf-link);text-decoration:underline;text-underline-offset:4px}
.lf-mega .lf-mega-heading{font-family:var(--lf-serif);font-size:20px;letter-spacing:-.02em;color:var(--lf-ink);padding:0;margin-bottom:8px}
.lf-mega .lf-mega-heading:hover{color:var(--lf-link);text-decoration:none}
.lf-mega .lf-mega-all{font-weight:600;color:var(--lf-link);margin-top:4px}
.lf-mega-feature{display:flex;flex-direction:column;gap:12px;background:var(--lf-lav);border-radius:12px;padding:18px;align-self:start}
.lf-mega-feature:hover{background:#e7deff}
.lf-mega-feature-image{display:block;height:170px;overflow:hidden;border-radius:6px;background:#fff;box-shadow:0 2px 8px rgba(53,42,69,.12)}
.lf-mega-feature-image img{display:block;width:100%;height:auto}
.lf-mega-feature-title{font-size:15px;font-weight:600;line-height:1.35}
.lf-mega-feature-meta{font-size:13px;color:var(--lf-muted-2)}
.lf-mega-grades{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:28px}
.lf-mega-grade{display:flex;flex-direction:column;gap:12px}
.lf-mega-grade .lf-mega-heading{margin:0}
.lf-mega-pills{display:flex;flex-wrap:wrap;gap:8px}
.lf-mega-pills a{font-size:14px;border:1px solid var(--lf-input);border-radius:30px;padding:7px 14px;background:#fff}
.lf-mega-pills a:hover{border-color:var(--lf-deep);background:var(--lf-lav);color:var(--lf-link-hover)}
.lf-mega-types{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.lf-mega-type{display:flex;align-items:center;gap:14px;padding:14px;border-radius:10px}
.lf-mega-type:hover{background:#f4f0df}
.lf-mega-swatch{width:44px;height:44px;border-radius:10px;flex-shrink:0}
.lf-mega-type strong{display:block;font-size:15px;font-weight:600}
.lf-mega-type small{display:block;font-size:13px;color:var(--lf-muted-2)}
.lf-mega-foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:28px;padding:16px 0 20px;border-top:1px solid var(--lf-rule);font-size:14px;color:var(--lf-muted-2)}
.lf-mega-foot a{font-weight:600;color:var(--lf-link)}

/* Mobile menu */
.lf-mobile-nav{background:var(--lf-paper);border-bottom:1px solid var(--lf-rule);padding:8px var(--lf-gutter) 18px;display:flex;flex-direction:column}
.lf-mobile-nav[hidden]{display:none}
.lf-mobile-nav a,.lf-mobile-nav button{display:block;padding:11px 0;font-size:16px;color:var(--lf-ink);background:none;border:0;text-align:left}
.lf-mobile-label{font-size:12px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--lf-eyebrow);margin-top:12px}

@media (max-width:900px){
 .lf-nav{display:none}
 .lf-menu-button{display:flex}
 .lf-header-row{height:72px}
}
@media (max-width:520px){.lf-login{display:none}.lf-join{padding:10px 14px}}

/* Footer */
.lf-footer{border-top:1px solid var(--lf-rule);background:var(--lf-paper);font-size:14px}
.lf-footer>.lf-shell{padding-top:56px;padding-bottom:28px}
.lf-footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:36px}
.lf-footer-brand{display:flex;flex-direction:column;gap:14px}
.lf-footer-brand .lf-logo{width:160px}
.lf-footer p{margin:0;color:var(--lf-muted);font-size:14px}
.lf-footer-col{display:flex;flex-direction:column;gap:12px}
.lf-footer-col h2{margin:0 0 6px;font-family:var(--lf-sans);font-size:15px;font-weight:600;letter-spacing:0;line-height:1.4}
.lf-footer a{color:var(--lf-muted)}
.lf-footer-col a:hover,.lf-footer-bottom a:hover{color:var(--lf-link);text-decoration:underline;text-underline-offset:3px}
.lf-footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid var(--lf-input);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--lf-muted)}
.lf-footer-bottom div{display:flex;gap:20px;flex-wrap:wrap}

/* Pill link (secondary CTAs) */
.lf-pill{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--lf-ink);padding:9px 16px;border:1px solid rgba(26,26,26,.2);border-radius:30px;background:transparent;transition:background .15s,border-color .15s;white-space:nowrap;text-decoration:none}
.lf-pill:hover{background:var(--lf-lav);border-color:var(--lf-deep);color:var(--lf-link-hover)}
.lf-chip{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:14px;color:var(--lf-ink);border:1px solid var(--lf-input);background:var(--lf-paper);border-radius:30px;padding:7px 14px;cursor:pointer;text-decoration:none}
.lf-chip:hover{border-color:var(--lf-deep);color:var(--lf-link-hover);background:var(--lf-lav)}
.lf-dot{width:14px;height:14px;border-radius:50%;border:1px solid rgba(26,26,26,.2);flex-shrink:0}

/* Resource card */
.lf-cards{list-style:none;margin:0;padding:0}
.lf-card{display:flex;flex-direction:column;gap:14px;min-width:0}
.lf-card-cover{display:block;position:relative;aspect-ratio:4/5;background:var(--tint,var(--lf-mint-tint));border-radius:10px;overflow:hidden;padding:18px 18px 0}
.lf-card-cover img{display:block;width:100%;height:auto;background:#fff;box-shadow:0 2px 10px rgba(53,42,69,.14);transform:rotate(var(--rot,0deg));transform-origin:50% 30%;transition:transform .25s}
.lf-card:hover .lf-card-cover img{transform:rotate(0deg) translateY(-6px)}
.lf-card-body{display:flex;flex-direction:column;gap:6px}
.lf-card-subject{font-size:13px;color:var(--lf-eyebrow);text-decoration:none}
a.lf-card-subject:hover{text-decoration:underline;text-underline-offset:3px}
.lf-card-title{margin:0;font-family:var(--lf-sans);font-size:17px;line-height:1.35;font-weight:600;letter-spacing:-.015em;text-wrap:pretty}
.lf-card-title a{color:var(--lf-ink)}
.lf-card-title a:hover{text-decoration:underline;text-underline-offset:4px}
.lf-card-desc{margin:0;font-size:14px;line-height:1.5;color:var(--lf-body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lf-card-meta{font-size:14px;color:var(--lf-muted)}

@media (prefers-reduced-motion:reduce){.lf-card-cover img,.lf-chevron{transition:none}}

/* The old global footer padding (style.css) must not inset the new footer. */
footer.lf-footer{padding:0}
/* Menu entries with no resources yet: shown, not linked, clearly marked. */
.lf-mega .lf-soon{font-size:14px;color:#8a847c;padding:5px 0;display:flex;align-items:center;gap:8px}
.lf-mega .lf-soon small,.lf-mega-type small.lf-soon-tag{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--lf-muted);background:var(--lf-sand);border-radius:20px;padding:1px 8px}
.lf-mega-pills .lf-soon{border:1px dashed var(--lf-input);border-radius:30px;padding:7px 14px;background:transparent}
.lf-mega-type.lf-soon-type{opacity:.7;cursor:default}
.lf-mega-type.lf-soon-type:hover{background:transparent}
/* Membership (Stripe test mode): join dialog on Download, sign-up step label, welcome page */
.checkout-steps .checkout-step-next{display:flex;align-items:center;gap:10px}
.lf-join-dialog .lf-join-kicker{font-size:.8rem;letter-spacing:.08em;font-weight:650;color:#402374;margin:0 0 10px}
.lf-join-dialog h2{font-size:1.75rem}
.lf-join-dialog .lf-join-resource{font-weight:600;color:#241b30;margin:10px 0 0}
.lf-join-points{margin:16px 0 4px;padding-left:20px;line-height:1.75;color:#3d2f4d}
.lf-join-dialog form{margin-top:12px}
.lf-join-dialog label{display:block;font-weight:600;margin:14px 0 8px}
.lf-join-dialog input[type=email]{width:100%;border:1px solid #c9badf;border-radius:8px;padding:13px 15px;font-size:1rem;min-height:48px;background:#fff;color:#241b30}
.lf-join-dialog .form-submit,.lf-join-actions .button{width:100%;margin-top:14px;min-height:50px}
.lf-join-dialog .lf-join-fine,.lf-join-dialog .lf-join-switch,.lf-join-dialog .lf-join-email{font-size:.875rem;margin:12px 0 0;line-height:1.55}
.lf-join-test{font-size:.875rem;line-height:1.55;background:#fff6b8;border:1px solid #e5ce63;border-radius:8px;padding:10px 12px;color:#4d4015;margin:12px 0 0}
.lf-join-dialog .lf-join-test{color:#4d4015;margin:12px 0 0}
.lf-join-dialog .lf-join-note{background:#f1edff;border-radius:8px;padding:10px 12px;margin:12px 0 0}
.lf-join-dialog .form-status{margin:10px 0 0;font-size:.95rem}
.lf-welcome{max-width:780px}
.lf-welcome h1{font-size:clamp(2.4rem,4.5vw,3.6rem);line-height:1.1;margin:0 0 16px}
.lf-welcome .lf-welcome-lead{font-size:1.125rem}
.lf-welcome-resource{display:flex;gap:22px;align-items:center;border:1px solid #ded3ed;border-radius:14px;padding:18px;margin:26px 0 6px;background:#fff}
.lf-welcome-resource img{width:120px;height:auto;border-radius:6px;box-shadow:0 2px 10px #0000001f}
.lf-welcome-resource h2{font-size:1.35rem;margin:0 0 6px}
.lf-welcome-resource p{margin:0 0 14px}
.lf-welcome .lf-welcome-fine{font-size:.9rem;margin-top:18px}
.lf-welcome .lf-join-test{margin-top:14px;max-width:620px}
@media(max-width:520px){.lf-welcome-resource{flex-direction:column;align-items:flex-start}.lf-join-dialog h2{font-size:1.5rem}}
.lf-continue-checkout{display:flex!important;justify-content:center;align-items:center;margin-top:12px;min-height:48px}
/* Country switcher in the footer (United States · Canada · United Kingdom · Australia) */
.lf-country{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin-top:36px;font-size:14px;color:var(--lf-muted)}
.lf-country span{margin-right:4px}
.lf-country a{padding:6px 12px;border:1px solid var(--lf-input);border-radius:999px;color:inherit;text-decoration:none;line-height:1.2}
.lf-country a:hover{color:var(--lf-link);border-color:var(--lf-link)}
.lf-country a[aria-current=true]{background:var(--lf-ink);border-color:var(--lf-ink);color:#fff}
/* Resource-type icons in the header menu */
.lf-mega-swatch{display:grid;place-items:center}
/* Country picker next to "Log in" (desktop); phones get the country list in the menu */
.lf-country-pick{position:relative}
.lf-country-btn{display:flex;align-items:center;gap:7px;background:none;border:1px solid transparent;border-radius:999px;padding:8px 12px;font:inherit;font-size:15px;color:var(--lf-ink);cursor:pointer;white-space:nowrap}
.lf-country-btn:hover,.lf-country-btn[aria-expanded=true]{border-color:var(--lf-input);background:#fff}
.lf-country-btn .lf-chevron{transition:transform .2s}
.lf-country-btn[aria-expanded=true] .lf-chevron{transform:rotate(180deg)}
.lf-country-menu{position:absolute;right:0;top:calc(100% + 8px);background:var(--lf-paper);border:1px solid #e5dfcf;border-radius:14px;box-shadow:0 18px 32px rgba(37,25,62,.12);padding:8px;width:250px;z-index:60}
.lf-country-menu[hidden]{display:none}
.lf-country-menu a{display:flex;justify-content:space-between;align-items:center;padding:11px 12px;border-radius:9px;color:var(--lf-ink);text-decoration:none;font-size:15px}
.lf-country-menu a:hover,.lf-country-menu a:focus-visible{background:#efeaff}
.lf-country-menu small{color:var(--lf-muted);font-size:13px}
.lf-country-menu a[aria-current]{font-weight:650}
.lf-country-menu a[aria-current] small::after{content:" ✓";color:var(--lf-deep);font-weight:700}
.lf-mobile-nav a[aria-current]{font-weight:650}
@media (max-width:900px){.lf-country-pick{display:none}}
/* Sign-up / log-in pop-up and page: TeachSimple's layout in LessonFull's colours and fonts */
.lf-auth-dialog{width:min(94vw,640px);border:0;border-radius:18px;padding:0;background:#fff;color:var(--lf-ink);box-shadow:0 30px 80px rgba(37,25,62,.28);max-height:94vh;overflow:auto}
.lf-auth-dialog::backdrop{background:rgba(37,21,55,.55)}
.lf-auth{position:relative;padding:clamp(28px,5vw,52px) clamp(22px,6vw,64px) 36px;text-align:center}
.lf-auth-close{position:absolute;right:14px;top:12px;width:40px;height:40px;border:0;background:none;font-size:30px;line-height:1;color:var(--lf-ink);cursor:pointer}
.lf-auth-eyebrow{margin:0 0 14px;font-size:14px;font-weight:650;letter-spacing:.2em;color:var(--lf-eyebrow)}
.lf-auth-title{margin:0;font-family:var(--lf-serif);font-weight:500;font-size:clamp(30px,5vw,44px);line-height:1.1;letter-spacing:-.02em}
.lf-auth-sub{margin:16px 0 26px;font-size:20px;font-weight:600;color:#4a4352}
.lf-auth-google{margin:0 auto 6px;max-width:420px}
.lf-auth-google-btn{display:flex;justify-content:center;min-height:44px}
.lf-auth-legal{margin:12px auto 0;max-width:520px;font-size:13px;line-height:1.55;color:var(--lf-muted);text-align:center}
.lf-auth-legal a{color:var(--lf-ink);font-weight:600;text-decoration:underline}
.lf-auth-or{display:flex;align-items:center;gap:16px;margin:22px 0 6px;color:var(--lf-muted);font-size:15px}
.lf-auth-or::before,.lf-auth-or::after{content:"";flex:1;height:1px;background:#e5dfcf}
.lf-auth-form{text-align:left;margin-top:10px}
.lf-auth-form label{display:block;margin:18px 0 8px;font-weight:600;font-size:15px}
.lf-auth-form input[type=email],.lf-auth-form input[type=password],.lf-auth-form input[type=text]{width:100%;min-height:54px;padding:14px 16px;border:1px solid var(--lf-input);border-radius:8px;background:#faf8f3;font:inherit;font-size:16px;color:var(--lf-ink)}
.lf-auth-form input:focus{outline:none;border-color:var(--lf-deep);box-shadow:0 0 0 3px rgba(103,65,217,.18);background:#fff}
.lf-auth-pass{position:relative}
.lf-auth-pass input{padding-right:72px}
.lf-auth-show{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:none;color:var(--lf-deep);font:inherit;font-size:14px;font-weight:600;padding:8px;cursor:pointer}
.lf-auth-forgot{display:inline-block;margin-top:8px;font-size:14px;color:var(--lf-link)}
.lf-auth-submit{display:block;width:100%;margin-top:22px;min-height:56px;border:0;border-radius:8px;background:var(--lf-mint);color:var(--lf-ink);font:inherit;font-size:16px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;box-shadow:0 8px 18px rgba(86,234,175,.35)}
.lf-auth-submit:hover{background:var(--lf-mint-hover)}
.lf-auth-submit:disabled{opacity:.6;cursor:progress}
.lf-auth-error{margin:12px 0 0;color:#b42318;font-size:15px;text-align:center}
.lf-auth-error:empty{display:none}
.lf-auth-switch{margin:22px 0 0;font-size:17px;color:var(--lf-muted)}
.lf-auth-switch button,.lf-auth-switch a{border:0;background:none;padding:0;font:inherit;font-weight:700;color:var(--lf-deep);cursor:pointer;text-decoration:none}
.lf-auth-page{display:flex;justify-content:center;padding:40px 16px 64px}
.lf-auth-inpage{width:min(100%,640px);background:#fff;border:1px solid #e5dfcf;border-radius:18px;box-shadow:0 18px 40px rgba(37,25,62,.08)}
.lf-auth-static-login{margin-top:40px;padding-top:32px;border-top:1px solid #e5dfcf}
@media (max-width:520px){.lf-auth-sub{font-size:17px}.lf-auth-switch{font-size:15px}}
/* Cookie banner (only shown once Google Tag Manager is configured) */
.lf-consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:80;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;max-width:900px;margin:0 auto;padding:16px 20px;border-radius:14px;background:var(--lf-ink);color:#fff;box-shadow:0 18px 40px rgba(0,0,0,.25)}
.lf-consent p{margin:0;font-size:15px;line-height:1.5}
.lf-consent a{color:#fff;text-decoration:underline}
.lf-consent div{display:flex;gap:10px}
.lf-consent button{min-height:44px;padding:0 18px;border-radius:8px;border:1px solid #fff;font:inherit;font-weight:600;cursor:pointer}
.lf-consent-no{background:transparent;color:#fff}
.lf-consent-yes{background:var(--lf-mint);border-color:var(--lf-mint)!important;color:var(--lf-ink)}

img[src*="/resources/"]{-webkit-user-drag:none;-webkit-touch-callout:none;user-select:none}