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/* Shared UrDefi palette, dark glass, and quiet motion. */
:root { --glass:linear-gradient(135deg,#2a251bd9,#1b1915f2); --shadow:0 16px 42px #0003,inset 0 1px 0 #fff5df08; }
body { background:radial-gradient(ellipse at 15% 0%,#ffa45c0c,transparent 45%),var(--canvas); }
body::before { content:""; position:fixed; inset:-15%; z-index:-1; pointer-events:none; background:radial-gradient(ellipse at 5% 25%,#ffa45c13,transparent 40%),radial-gradient(ellipse at 95% 65%,#75d8c50d,transparent 42%); }
.academy-header { background:#1b1914e8; backdrop-filter:blur(20px); }
.brand-symbol { background:#ffa45c0c; border:1px solid #ffa45c30; border-radius:13px; }
.brand b { color:var(--signal); }
h1,h2 { font-weight:550; }
.surface,.course-card,.exercise-area,dialog,.resource-links,.continue-course,.academy-exam { background:var(--glass); box-shadow:var(--shadow); }
.course-card,.scene-stage,.course-overview>.course-cover,dialog { border-radius:20px; }
.course-card { transition:transform .25s,border-color .25s,box-shadow .25s; }
.primary,.skip-link,.task-row.current .task-number,.path-stop.current .path-index { background:var(--accent); color:var(--canvas); box-shadow:none; }
.primary:hover,.scene-swap .primary:hover { background:#ffedac; }
.scene-swap .primary { background:var(--accent); color:var(--canvas); box-shadow:none; }
.secondary { background:#fff5df04; }
.badge { color:var(--success); border-color:#75d8c53d; background:#75d8c50b; }
.badge.accent,.badge.purple { color:var(--accent); border-color:#ffe58a35; background:var(--accent-soft); }
.feedback { color:var(--success); background:#75d8c50b; }
.feedback.error { color:var(--warning); background:#ffa45c0c; border-color:var(--signal); }
.danger-button { color:var(--danger); background:#ffaca308; border-color:#ffaca340; }
::selection { background:var(--accent); color:var(--canvas); }
.cover-wallets { background:radial-gradient(ellipse at 30% 20%,#ffa45c22,transparent 75%),#282016; }
.cover-permissions { background:radial-gradient(ellipse at 60% 20%,#ffe58a17,transparent 75%),#262319; }
.cover-swaps { background:radial-gradient(ellipse at 40% 30%,#75d8c522,transparent 75%),#172923; }
.cover-wallet,.cover-request,.cover-swap { border:1px solid #fff0c529; box-shadow:0 16px 30px #0004; }
.cover-wallet { background:#2b2219; }.cover-request { background:#302a1c; border-top:3px solid var(--signal); }.cover-swap { background:#19372f; }
.cover-request>strong,.cover-request>span,.cover-request>p,.course-cover .cover-caption { color:var(--ink-soft); }
.course-cover .cover-caption { font-size:.8125rem; }
.scene-toolbar { background:#2b251b; }.scene-toolbar strong { color:var(--ink); }.scene-toolbar>span { color:var(--ink-soft); }
.scene-registry .scene-toolbar,.scene-receipt .scene-toolbar { background:#2b2a21; }
.scene-inbox .scene-toolbar,.scene-authorization .scene-toolbar { background:#352a1c; }
.scene-swap .scene-toolbar { background:#19372f; }
.scene-receipt>.exercise-area { box-shadow:0 5px 0 #252219,0 6px 0 #fff0c526; }
input:not([type=radio]):not([type=checkbox]):focus { border-color:var(--success); box-shadow:0 0 0 3px #75d8c50b; }
.choice { transition:background .2s,border-color .2s,box-shadow .2s; }
.choice:has(input:checked) { background:#75d8c50b; border-color:var(--success); box-shadow:inset 3px 0 var(--success); }
input[type=radio] { accent-color:var(--success); }
:is(a,button,summary) svg { transition:transform .22s; }
:is(a,button,summary) { transition:background .2s,color .2s,border-color .2s; }
:is(button,.primary,.secondary):active:not(:disabled) { transform:translateY(1px); }
progress,progress::-webkit-progress-bar { background:#fff5df10; }
progress::-webkit-progress-value { background:var(--success); transition:width .45s; }
progress::-moz-progress-bar { background:var(--success); }
dialog::backdrop { background:#090805b8; backdrop-filter:blur(5px); }
.motion-toggle { display:inline-flex; align-items:center; gap:8px; background:transparent; color:var(--ink-muted); font-size:.8125rem; min-height:44px; padding:8px 0; }
.motion-toggle:hover { color:var(--accent); }
.motion-toggle::before { content:""; width:7px; height:7px; border-radius:50%; background:var(--success); box-shadow:0 0 10px #75d8c533; }
.motion-toggle[aria-pressed=true]::before { background:var(--ink-muted); box-shadow:none; }
@media(hover:hover) and (pointer:fine) {
 .course-card:hover { transform:translateY(-4px); border-color:#ffa45c55; box-shadow:0 22px 48px #0004; }
 .task-row:hover,.syllabus-lesson:hover,.tutorial-shortlist>a:hover { background:#ffe58a05; }
 .primary:hover svg,.text-link:hover svg,.tutorial-shortlist>a:hover>svg { transform:translateX(4px); }
}
@media(prefers-reduced-motion:no-preference) {
 body::before { animation:learn-ambient 20s ease-in-out infinite alternate; }
 .course-cover>:is(.cover-wallet,.cover-request,.cover-swap) { animation:learn-float 7s ease-in-out infinite; }
 .cover-permissions>.cover-request { animation-delay:-2s; }.cover-swaps>.cover-swap { animation-delay:-4s; }
 .course-card,.classroom-main,.tutorial-article { animation:learn-arrive .45s ease-out both; }
 .course-card:nth-child(2) { animation-delay:70ms; }.course-card:nth-child(3) { animation-delay:140ms; }
 dialog[open],.feedback,.resource-menu[open] .resource-links { animation:learn-arrive .2s ease-out both; }
}
@keyframes learn-float { 0%,100% { translate:0 0; } 50% { translate:0 -7px; } }
@keyframes learn-ambient { to { transform:translate(3%,2%); } }
@keyframes learn-arrive { from { opacity:.5; translate:0 7px; } to { opacity:1; translate:0 0; } }
html[data-motion=paused] *,html[data-motion=paused] *::before { animation:none!important; transition:none!important; scroll-behavior:auto!important; }
html[data-motion=paused] .course-card:hover { transform:none; }
@media(prefers-reduced-motion:reduce) {
 *,*::before,*::after { animation:none!important; transition:none!important; scroll-behavior:auto!important; }
 .course-card:hover,.primary:hover svg,.text-link:hover svg,.tutorial-shortlist>a:hover>svg { transform:none; }
}

/* The study: walnut trim, stitched leather bindings, and warm book paper. */
:root {
 --reading:Georgia,"Palatino Linotype","Book Antiqua",serif;
 --leather:#38271e;
 --leather-edge:#8c613b;
 --brass:#d7b776;
 --stitch:#d3ac7052;
 --grain:radial-gradient(ellipse at 20% 30%,#fff0c509 0 .7px,transparent 1.2px),radial-gradient(ellipse at 70% 60%,#08050320 0 .8px,transparent 1.5px);
 --wood:repeating-linear-gradient(3deg,transparent 0 4px,#130b061b 5px 6px,transparent 7px 13px),repeating-linear-gradient(177deg,#e3aa6506 0 1px,transparent 2px 11px),linear-gradient(100deg,#302117,#49301e 45%,#302219);
 --glass:linear-gradient(135deg,#2b251cf2,#211d17f7);
 --shadow:0 14px 35px #0003,inset 0 1px 0 #ffe6b20a;
}
h1,h2 { font-family:var(--reading); font-weight:400; letter-spacing:-.025em; }
.academy-welcome h1,.page-heading h1,.tutorial-article h1 { color:#fff0ce; }
.course-card h2 { line-height:1.2; }
.brand b { font-family:var(--reading); font-style:italic; font-size:1.45rem; }
.academy-header { background:var(--wood); border-bottom:3px double #bb8a4d70; box-shadow:0 5px 18px #0004,inset 0 -5px 0 #170f0730; }
.brand-symbol { background:var(--grain),linear-gradient(130deg,#503521,#2d2119); background-size:5px 7px,7px 5px,auto; border:1px solid #b7864e80; border-radius:9px; box-shadow:inset 0 0 0 3px #1b140b70,0 2px 5px #0004; }
.primary-nav>.nav-link:hover,.resource-menu>summary:hover { background:#ffe58a08; }
.resource-links,dialog { background:var(--glass); border:3px double #a37b4e80; border-radius:10px; box-shadow:0 16px 45px #0006,inset 0 0 0 4px #170f0940; }
.course-card { border:1px solid #93663c77; border-radius:9px 15px 15px 9px; box-shadow:inset 5px 0 0 #0c080544,0 12px 28px #0004; }
.course-cover { --binding:#4a3022; background:var(--grain),linear-gradient(105deg,#09060444,transparent 14%,#ffd99a06 70%,#0d080533),var(--binding); background-size:5px 7px,7px 5px,auto,auto; border-bottom:3px double #b88e5666; }
.cover-wallets { --binding:#493024; }.cover-permissions { --binding:#453b25; }.cover-swaps { --binding:#223b32; }
.course-cover::before { content:""; position:absolute; inset:10px; border:1px dashed var(--stitch); border-radius:4px 9px 9px 4px; pointer-events:none; }
.course-cover::after { content:""; position:absolute; top:0; bottom:0; left:0; width:9px; background:linear-gradient(90deg,#110b0899,#e6b56a22 45%,#08060466); border-right:1px solid #e6b56a25; pointer-events:none; }
.course-cover .cover-caption { color:#e0cba5; left:24px; bottom:17px; font-family:var(--reading); font-style:italic; font-size:.875rem; }
.course-card-body { background:linear-gradient(90deg,#100c0738,transparent 15px),var(--glass); }
.course-card-body>.eyebrow { color:var(--brass); }
.course-facts { border-top:1px solid #c9a36524; padding-top:12px; }
.cover-wallet,.cover-request,.cover-swap { border-radius:5px; box-shadow:0 9px 18px #0005,inset 0 0 0 3px #fff0c507; }
.cover-wallet { background:#28241b; border-color:#a4804a70; }
.cover-request { background:linear-gradient(120deg,#3a3021,#2b251a); border:1px solid #b3996360; border-top:3px double var(--brass); }
.cover-swap { background:linear-gradient(120deg,#233e33,#192b24); border-color:#91af864f; }
.cover-request>strong { font-family:var(--reading); font-size:1.12rem; color:var(--ink); }
.academy-summary { border-left:3px double #b7925355; padding-left:22px; }
.academy-summary>strong { font-family:var(--reading); color:var(--brass); }
.catalog-heading,.course-syllabus,.academy-study,.course-scope { border-color:#b18b5140; }
.continue-course,.academy-exam,.course-finish { border:1px solid #a17b4760; border-left:5px solid #6b4a2d; border-radius:8px; box-shadow:var(--shadow); }
.continue-icon { color:var(--accent); background:#3d2b1e; border:1px solid #b58b514d; box-shadow:inset 0 0 0 3px #1a120940; }
.primary { background:linear-gradient(#ffe9a0,#e6c775); border-color:#efd79a; border-radius:7px; box-shadow:inset 0 1px 0 #fff5df80,0 2px 0 #75552c; }
.primary:hover { background:linear-gradient(#fff0b6,#f1d48b); }
.secondary { border-radius:7px; border-color:#ad875253; background:linear-gradient(#392b1d66,#211a13); box-shadow:inset 0 1px 0 #fff0c508; }
.scene-stage { border:3px solid #66472e; border-radius:10px; background:var(--grain),linear-gradient(135deg,#31241b,#201b15); background-size:5px 7px,7px 5px,auto; box-shadow:0 12px 36px #0004,inset 0 0 0 1px #c69e5350; }
.scene-stage .scene-toolbar { background:var(--wood); border-bottom:1px dashed var(--stitch); }
.scene-stage>.exercise-area { background:var(--glass); border:1px solid #af895338; border-radius:6px; }
.scene-window-mark { color:var(--brass); }
.classroom-outline { border-color:#ac844940; }
.classroom-outline>h2,.tutorial-practice h2,.tutorial-takeaway h2 { font-family:var(--reading); }
.tutorial-article { background:linear-gradient(90deg,#07050230,transparent 14px),linear-gradient(120deg,#29251d,#211e18); border:1px solid #a88c5030; border-left:4px solid #63482c; border-radius:4px 10px 10px 4px; padding:clamp(18px,3vw,32px); box-shadow:4px 4px 0 #191610,5px 5px 0 #ad895c32,0 15px 35px #0003; min-width:0; }
.tutorial-article>section { border-top-color:#be9c6230; }
.tutorial-section-number { color:var(--brass); font-family:var(--reading); }
.tutorial-article>section p { line-height:1.8; }
.tutorial-takeaway,.reference,.hint { background:#ffe58a07; border-left-color:var(--brass); }
.tutorial-practice { border-top:3px double #cda56860; }
.storage-bar { border-color:#a47d4240; }
.footer { border-top:3px double #a47d4240; }
@media(hover:hover) and (pointer:fine) {
 .course-card:hover { border-color:#c29756aa; box-shadow:inset 5px 0 0 #0c080544,0 20px 40px #0005; }
 .course-card:hover .course-cover::before { border-color:#e6bd7b8c; }
}
@media(max-width:620px) {
 .scene-stage { border-width:2px; }
 .tutorial-article { padding:20px 16px; box-shadow:2px 3px 0 #191610,3px 4px 0 #ad895c32; }
 .tutorial-article h1 { font-size:2.3rem; }
}

/* A single connected study persists behind every lesson and route. */
body { isolation:isolate; }
body::before { display:none; }
.study-world { position:fixed; inset:0; z-index:-1; overflow:hidden; pointer-events:none; background:#15130f; }
.study-map { width:100%; height:100%; display:block; opacity:.78; }
.study-reading-shade { position:absolute; inset:0; background:linear-gradient(90deg,#15130f05,#15130fe8 21%,#15130ff2 50%,#15130fe8 79%,#15130f05),linear-gradient(#15130f33,transparent 25%,transparent 80%,#15130f55); }
.study-current { stroke-dasharray:9 430; opacity:.6; }
.study-current-aqua { stroke-dasharray:6 310; opacity:.5; }
.study-orbit { transform-box:view-box; transform-origin:1430px 210px; }
@media(prefers-reduced-motion:no-preference) {
 .study-current-gold { animation:study-flow 30s linear infinite; }
 .study-current-aqua { animation:study-flow-aqua 39s linear infinite reverse; }
 .study-orbit { transform-box:fill-box; transform-origin:center; animation:study-orbit 90s linear infinite; }
 .study-light { animation:study-lamplight 8s ease-in-out infinite alternate; }
 .study-dust { animation:study-drift 16s ease-in-out infinite alternate; }
}
@keyframes study-flow { to { stroke-dashoffset:-1756; } }
@keyframes study-orbit { to { transform:rotate(360deg); } }
@keyframes study-lamplight { from { opacity:.55; } to { opacity:1; } }
@keyframes study-drift { to { transform:translate(9px,-22px); opacity:.5; } }
@media(min-width:1550px) { .study-reading-shade { background:linear-gradient(90deg,transparent,#15130fe8 23%,#15130ff2 50%,#15130fe8 77%,transparent); } }
@media(max-width:900px) {
 .study-map { width:150%; max-width:none; margin-left:-25%; opacity:.45; }
 .study-reading-shade { background:linear-gradient(90deg,#15130f66,#15130fed 20%,#15130fed 80%,#15130f66); }
}
@media(prefers-reduced-motion:reduce) { .study-world * { animation:none!important; } }
html[data-motion=paused] .study-world * { animation-play-state:paused!important; }

@keyframes study-flow-aqua { to { stroke-dashoffset:-1264; } }

/* Three audiences share the study; each has its own reading and exercise route. */
.audience-paths { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; margin:0 0 38px; }
.audience-path { --binding:#493024; position:relative; display:flex; flex-direction:column; padding:28px 27px 25px; min-height:295px; border:1px solid #b28a575e; border-left:7px solid #67462e; border-radius:5px 15px 15px 5px; background:var(--grain),linear-gradient(120deg,#07040333,transparent 40%),var(--binding); background-size:5px 7px,7px 5px,auto,auto; box-shadow:inset 3px 0 6px #0004,0 12px 28px #0004; }
.audience-path::before { content:""; position:absolute; inset:9px; border:1px dashed var(--stitch); border-radius:2px 9px 9px 2px; pointer-events:none; }
.audience-advanced { --binding:#3b3524; border-left-color:#6f6034; }.audience-developer { --binding:#233b32; border-left-color:#3b6452; }
.path-volume { font:italic .875rem var(--reading); color:var(--brass); margin-bottom:22px; }
.audience-path h2 { font-size:2rem; margin-bottom:12px; }.audience-path p { font-size:1rem; line-height:1.6; }
.path-entry { font-size:.8125rem; color:var(--ink-muted); margin:16px 0 20px; }.path-open { display:flex; align-items:center; justify-content:space-between; gap:14px; color:var(--accent); font-size:.875rem; margin-top:auto; padding-top:14px; border-top:1px solid #ffe58a26; }
.home-foundations { display:flex; align-items:center; gap:30px; justify-content:space-between; border-block:1px solid var(--line); padding:28px 0; }.home-foundations>div { max-width:730px; }.home-foundations h2 { margin-bottom:12px; }.home-foundations>.secondary { flex-shrink:0; }
.path-availability { display:flex; align-items:center; flex-wrap:wrap; gap:16px 30px; padding:24px 0; font-size:.875rem; color:var(--ink-muted); }.path-availability strong { font-family:var(--reading); font-size:1.5rem; color:var(--brass); margin-right:6px; }.path-availability a { color:var(--accent); }
.path-switcher { display:flex; flex-wrap:wrap; gap:6px; padding:5px; width:fit-content; max-width:100%; border:1px solid var(--line); border-radius:10px; background:#211a13b3; margin-bottom:30px; }.path-switcher a { padding:9px 15px; border-radius:6px; color:var(--ink-soft); font-size:.875rem; }.path-switcher a[aria-current] { color:var(--accent); background:#ffe58a0d; box-shadow:inset 0 -2px 0 var(--brass); }
.path-heading { display:grid; grid-template-columns:minmax(0,1.25fr) minmax(0,1fr); gap:55px; align-items:start; margin:0 0 36px; }.path-heading h1 { margin:8px 0 20px; }.path-heading p { max-width:680px; }.path-heading .primary { margin-top:24px; }.path-outcomes { border-left:3px double #b7925355; padding-left:27px; }.path-outcomes h2 { font-size:1.5rem; }.path-outcomes ul { padding-left:18px; color:var(--ink-soft); margin-bottom:0; }.path-outcomes li { margin:12px 0; }
.path-sequence { display:grid; grid-template-columns:minmax(0,1.45fr) minmax(0,1fr); gap:45px; border-top:1px solid var(--line); }.path-sequence .section-heading { margin-top:25px; }.path-lesson { display:flex; align-items:center; gap:18px; padding:21px 0; border-top:1px solid var(--line); }.path-lesson>div { flex:1; }.path-lesson p { font-size:.9375rem; margin:6px 0; }.path-lesson-number { font:1.4rem var(--reading); color:var(--brass); }.path-lesson>span:last-child { color:var(--accent); }.path-practice { border-left:1px solid var(--line); padding:28px 0 12px 28px; }.path-practice h2 { font-size:1.65rem; }.path-practice p { margin:15px 0; font-size:.9375rem; }
.path-worksheet { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.4fr); gap:35px; padding:26px; border:1px solid #ad895c4d; border-left:5px solid #67462e; border-radius:8px; background:var(--glass); margin:35px 0 25px; box-shadow:var(--shadow); }.path-worksheet h2 { font-size:1.8rem; }.path-worksheet p { font-size:.9375rem; margin-top:15px; }.worksheet-fields { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 18px; }.worksheet-result { display:block; color:var(--success); margin-top:20px; font-size:.9375rem; overflow-wrap:anywhere; }.worksheet-result.error { color:var(--warning); }
.path-roadmap { border-block:1px solid var(--line); padding:16px 0; margin:25px 0; }.path-roadmap>summary { cursor:pointer; color:var(--ink-soft); min-height:44px; padding:10px 0; }.path-roadmap>summary .badge { margin-left:10px; }.path-roadmap ul { color:var(--ink-soft); line-height:1.9; }.path-roadmap>.reference-page { padding:0; }
.reading-topline,.reading-chapters,.path-reading { max-width:860px; margin-inline:auto; }.reading-topline { display:flex; justify-content:space-between; gap:16px; align-items:center; }.reading-chapters { display:flex; flex-wrap:wrap; gap:6px 20px; padding:14px 0 24px; font-size:.875rem; }.reading-chapters a { color:var(--ink-muted); padding:7px 0; border-bottom:1px solid transparent; }.reading-chapters a[aria-current] { color:var(--accent); border-bottom-color:var(--brass); }.path-reading { margin-top:0; }.path-reading h1 { font-size:clamp(2rem,4vw,3rem); }.path-reading .tutorial-lead { margin:20px 0 28px; }.reading-check { border-top:3px double #b7925355; margin-top:10px; padding-top:22px; }.reading-check fieldset { border:0; margin:0 0 12px; padding:0; min-width:0; }.reading-check legend { font:1.6rem var(--reading); margin-bottom:15px; }.reading-check fieldset>p { margin:0 0 18px; }.reading-feedback { display:block; margin:16px 0; }.reading-feedback:empty { display:none; }.reading-next { display:flex; flex-wrap:wrap; gap:14px 24px; align-items:center; border-top:1px solid var(--line); margin-top:25px; padding-top:22px; }
.path-library { margin-bottom:45px; }.path-library-group { display:grid; grid-template-columns:240px 1fr; gap:30px; padding:24px 0; border-top:1px solid var(--line); }.path-library-group h3 { font:1.65rem var(--reading); }.path-library-group>div { display:grid; gap:4px; }.path-library-group>div a { display:flex; gap:20px; align-items:center; justify-content:space-between; padding:9px 0; color:var(--ink-soft); }.path-plan>section { padding:26px 0; border-top:1px solid var(--line); }.path-plan h2 { margin-bottom:10px; }.path-plan-row { display:grid; grid-template-columns:110px 1fr; gap:15px; margin-top:18px; font-size:.9375rem; color:var(--ink-soft); }.path-plan-row a { color:var(--accent); }
@media(hover:hover) and (pointer:fine) { .audience-path:hover { border-color:#d7b776a0; transform:translateY(-3px); }.path-lesson:hover h3,.path-library-group a:hover { color:var(--accent); }.path-switcher a:hover { background:#ffe58a08; } }
@media(min-width:621px) and (max-width:1100px) { .academy-header { flex-wrap:wrap; gap:10px; padding:16px 24px 0; }.primary-nav { order:3; width:100%; }.header-note { margin-left:auto; } }
@media(max-width:850px) { .audience-paths { gap:14px; }.audience-path { padding:24px 20px; }.audience-path h2 { font-size:1.7rem; }.path-heading { gap:28px; }.home-foundations { flex-wrap:wrap; }.path-sequence { grid-template-columns:1fr; gap:12px; }.path-practice { border-left:0; border-top:1px solid var(--line); padding:24px 0; }.path-worksheet { grid-template-columns:1fr; gap:22px; } }
@media(max-width:620px) { .audience-paths { grid-template-columns:1fr; gap:16px; }.audience-path { min-height:0; padding:22px 24px; }.path-volume { margin-bottom:12px; }.path-entry { margin:12px 0; }.path-heading { grid-template-columns:1fr; gap:25px; }.path-switcher { width:100%; gap:2px; }.path-switcher a { flex:1; text-align:center; padding:9px 6px; font-size:.8125rem; }.path-worksheet { padding:22px 17px; }.worksheet-fields { grid-template-columns:1fr; }.path-library-group { grid-template-columns:1fr; gap:14px; }.path-plan-row { grid-template-columns:1fr; gap:7px; }.primary-nav { justify-content:flex-start; flex-wrap:wrap; }.primary-nav>.nav-link,.resource-menu>summary { padding:10px 9px; font-size:.8125rem; }.resource-menu { margin-left:0; }.reading-chapters { display:grid; gap:2px; }.reading-topline { flex-wrap:wrap; }.reading-next .primary { width:100%; }.path-reading .tutorial-section-number { display:none; } }
@media(prefers-reduced-motion:reduce) { .audience-path:hover { transform:none; } }
html[data-motion=paused] .audience-path:hover { transform:none; }

@media(max-width:620px) { .primary-nav { position:relative; }.resource-menu { position:static; }.resource-links { top:calc(100% + 6px); right:0; max-width:100%; } }

/* A short, optional learning intake uses the same study surfaces. */
.intake-invitation { display:flex; align-items:center; justify-content:space-between; gap:25px; padding:22px 26px; margin:0 0 28px; border:1px solid #b7925344; border-left:5px solid #805633; border-radius:8px; background:var(--glass); box-shadow:var(--shadow); }
.intake-invitation h2 { font-size:1.7rem; }.intake-invitation p { font-size:.9375rem; margin-top:7px; }.intake-invitation>.primary { flex-shrink:0; }
.intake-page { max-width:820px; margin:0 auto; }.intake-heading { display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin:24px 0; }.intake-heading h1 { font-size:clamp(2rem,5vw,3rem); }.intake-heading>.meta { flex-shrink:0; }
.intake-progress { height:4px; margin-bottom:30px; }#intake-form { padding:26px; background:var(--glass); border:1px solid #b7925344; border-radius:10px; box-shadow:var(--shadow); }#intake-form fieldset { border:0; margin:0; padding:0; min-width:0; }#intake-form legend { font:1.7rem/1.3 var(--reading); color:var(--ink); padding:0; margin:0 0 22px; }
.intake-choice { padding:15px 17px; }.intake-choice small { font-size:.875rem; line-height:1.55; }.intake-actions { display:flex; align-items:center; flex-wrap:wrap; gap:12px; margin-top:25px; border-top:1px solid var(--line); padding-top:22px; }.intake-actions .meta { margin-left:auto; }#intake-error:empty { display:none; }#intake-error { color:var(--warning); margin-top:16px; }
.intake-privacy { color:var(--ink-muted); font-size:.875rem; line-height:1.7; margin:20px 0; }.intake-result>.eyebrow { margin-top:26px; }.intake-result h1 { font-size:clamp(2.3rem,5vw,3.5rem); }.intake-lead { font-size:1.1rem; margin:15px 0 28px; }.intake-reasons,.intake-preparation { border-top:1px solid var(--line); padding:22px 0; }.intake-reasons h2,.intake-preparation h2,.intake-alternatives h2 { font-size:1.5rem; margin-bottom:13px; }.intake-reasons p+p,.intake-preparation p+p { margin-top:13px; }.intake-preparation { border-left:3px solid var(--brass); padding:19px 22px; background:#ffe58a06; margin-bottom:25px; }.intake-result>.meta { margin:18px 0 26px; }.intake-alternatives { border-top:1px solid var(--line); padding-top:24px; }.intake-alternatives a { display:grid; grid-template-columns:180px 1fr 18px; gap:18px; align-items:center; border-bottom:1px solid var(--line); padding:18px 0; font-size:.9375rem; }.intake-alternatives a>span { color:var(--ink-soft); }.intake-alternatives a:hover strong { color:var(--accent); }.intake-tools { display:flex; align-items:center; gap:24px; padding:20px 0; }.intake-tools button { flex-shrink:0; }
@media(max-width:620px) { .intake-invitation { flex-direction:column; align-items:stretch; padding:21px; }.intake-invitation>.primary { width:100%; }.intake-heading { flex-direction:column; align-items:flex-start; gap:10px; }#intake-form { padding:22px 16px; }.intake-choice { padding:13px; }.intake-actions .meta { width:100%; margin-left:0; }.intake-alternatives a { grid-template-columns:1fr 18px; gap:8px 15px; }.intake-alternatives a>span:nth-child(2) { grid-column:1; }.intake-alternatives a>span:last-child { grid-column:2; grid-row:1/3; }.intake-tools { flex-direction:column; align-items:flex-start; gap:8px; } }

/* Account entry preserves the current lesson in its existing tab. */
.header-actions { display:flex; align-items:center; gap:18px; flex-shrink:0; }
.account-signin { display:inline-flex; align-items:center; justify-content:center; gap:8px; min-height:44px; padding:9px 13px; border:1px solid #d7b77666; border-radius:7px; background:linear-gradient(#49331e88,#251a1288); color:var(--accent); font-size:.875rem; white-space:nowrap; box-shadow:inset 0 1px 0 #fff0c50a; }
.account-signin:hover { border-color:var(--brass); background:#ffe58a0d; }
@media(max-width:1100px) { .header-actions { order:2; margin-left:auto; }.header-actions .header-note { display:none; }.primary-nav { order:3; } }
@media(max-width:620px) { .header-actions { gap:0; }.account-signin { padding:8px 10px; gap:6px; }.account-signin>svg:first-child { display:none; } }

/* Interactive intake: activity sequence and a working example. */
.intake-result { max-width:1120px; }
.intake-result-top { display:flex; justify-content:space-between; align-items:center; gap:20px; margin:0 0 25px; }
.intake-result-top button,.intake-result .meta { font-size:.875rem; line-height:1.6; }
.picker-paths { display:flex; gap:8px; max-width:100%; }
.picker-paths button { border:1px solid var(--line); background:#17150fb3; border-radius:8px; padding:10px 17px; color:var(--ink-soft); font-size:.9375rem; min-height:48px; text-align:left; }
.picker-paths button[aria-pressed=true] { color:var(--ink); border-color:var(--success); box-shadow:inset 0 -2px var(--success); }
.picker-paths button[data-recommended=true] { color:#2a2110; background:linear-gradient(120deg,#ffeba0,#e5bd64); border-color:#ffe58a; box-shadow:0 4px 18px #e5bd6417; }
.picker-paths button[data-recommended=true]>span { font-weight:650; }
.picker-paths button[data-recommended=true][aria-pressed=true] { border-color:#fff0bd; box-shadow:0 0 0 2px #ffe58a24,0 4px 18px #e5bd6417; }
.picker-paths small { display:block; color:inherit; font-size:.8125rem; margin-top:3px; }
.picker-heading { display:flex; align-items:center; justify-content:space-between; gap:22px; padding:20px 24px; margin:14px 0 18px; border:1px solid var(--line); border-left:4px solid var(--success); border-radius:10px; background:var(--glass); }
.picker-heading.picker-recommended { border-color:#ffe58a55; border-left-color:var(--accent); background:linear-gradient(110deg,#ffe58a16,#302719aa 60%,#1b1915dd); box-shadow:inset 0 1px 0 #fff0bd0a; }
.picker-context { display:inline-flex; align-items:center; gap:7px; color:var(--success); font-size:.8125rem; font-weight:600; line-height:1.4; }
.picker-recommended .picker-context { color:#2a2110; background:var(--accent); border-radius:5px; padding:4px 8px; }
.intake-result .picker-heading h1 { font-family:inherit; font-weight:650; letter-spacing:-.035em; font-size:clamp(1.65rem,3vw,2.15rem); margin:10px 0 7px; line-height:1.15; }
.picker-heading p { font-size:1rem; color:var(--ink); line-height:1.55; }
.picker-heading>a { flex-shrink:0; font-size:.875rem; }
.picker-workspace { display:grid; grid-template-columns:minmax(270px,.85fr) minmax(0,1.4fr); gap:32px; padding:24px; border:1px solid #b7925333; border-radius:var(--radius); background:var(--glass); box-shadow:var(--shadow); }
.picker-sequence>p { color:var(--ink-soft); font-size:.875rem; padding:3px 8px 17px; }
.picker-sequence button { position:relative; display:grid; grid-template-columns:34px 1fr 16px; gap:12px; align-items:center; width:100%; padding:19px 13px; margin-bottom:9px; text-align:left; border:1px solid transparent; background:transparent; border-radius:9px; color:var(--ink); }
.picker-sequence button::after { content:''; position:absolute; top:calc(50% + 18px); bottom:-30px; left:30px; border-left:1px solid #75d8c536; }
.picker-sequence button:last-child::after { display:none; }
.picker-step-number { display:grid; place-items:center; width:34px; height:34px; border:1px solid var(--line-strong); border-radius:50%; color:var(--ink-soft); font-size:.875rem; background:var(--canvas); z-index:1; }
.picker-sequence button[aria-pressed=true] { background:#75d8c50b; border-color:#75d8c566; }
.picker-sequence button[aria-pressed=true] .picker-step-number { color:var(--canvas); background:var(--success); border-color:var(--success); }
.picker-sequence small { display:block; font-size:.8125rem; color:var(--ink-soft); margin-bottom:5px; }
.picker-sequence strong { display:block; font-size:1rem; font-weight:550; line-height:1.45; }
.picker-step-arrow { opacity:0; color:var(--success); }
.picker-sequence button[aria-pressed=true] .picker-step-arrow { opacity:1; }
.picker-sequence-note { display:block; color:var(--ink-muted); font-size:.875rem; line-height:1.7; padding:14px 8px 0; }
.picker-preview { min-width:0; background:#131b18b3; border:1px solid #75d8c540; border-radius:10px; }
.picker-preview-inner { padding:27px; animation:picker-enter .2s ease-out; }
.picker-preview-meta { display:flex; flex-wrap:wrap; gap:8px 20px; align-items:center; justify-content:space-between; color:var(--ink-soft); font-size:.8125rem; }
.picker-preview-meta>span:first-child { color:var(--success); }
.picker-preview h2 { font-family:inherit; font-size:1.5rem; letter-spacing:-.025em; line-height:1.3; margin:20px 0 12px; }
.picker-prompt { font-size:1rem; line-height:1.6; color:var(--ink); min-height:3.2em; }
.picker-demo { margin:23px 0 0; }
.picker-options { display:flex; gap:6px; padding:4px; background:#0f120f99; border:1px solid #75d8c526; border-radius:8px; }
.picker-options button { flex:1; padding:10px 12px; min-height:44px; border:1px solid transparent; border-radius:5px; font-size:.875rem; color:var(--ink-soft); background:transparent; }
.picker-options button[aria-pressed=true] { background:#75d8c51a; border-color:#75d8c55c; color:var(--ink); }
.picker-outcome { padding-top:23px; }
.picker-value { color:var(--success); font-size:clamp(1.7rem,3.7vw,2.7rem); font-variant-numeric:tabular-nums; font-weight:550; line-height:1.2; letter-spacing:-.04em; overflow-wrap:anywhere; }
.picker-unit { display:block; color:var(--ink-soft); font-size:.9375rem; margin-top:7px; }
.picker-facts { display:grid; grid-template-columns:1fr 1fr; margin:20px 0 17px; border-block:1px solid #75d8c526; padding:15px 0; gap:18px; }
.picker-facts dt { color:var(--ink-soft); font-size:.8125rem; margin-bottom:6px; }
.picker-facts dd { margin:0; color:var(--ink); font-size:.9375rem; line-height:1.4; }
.picker-explanation { font-size:.9375rem; line-height:1.65; color:var(--ink-soft); min-height:4.95em; }
.picker-launch { display:flex; align-items:center; justify-content:space-between; gap:20px; border-top:1px solid #75d8c526; margin-top:22px; padding-top:21px; }
.picker-launch>span { font-size:.8125rem; line-height:1.5; max-width:23ch; color:var(--ink-soft); }
.picker-launch .primary { display:flex; align-items:center; gap:22px; justify-content:space-between; flex-shrink:0; }
.picker-range { display:block; }
.picker-range>span { display:flex; justify-content:space-between; gap:12px; font-size:.9375rem; color:var(--ink); }
.picker-range output { color:var(--success); font-variant-numeric:tabular-nums; }
.picker-range input { display:block; width:100%; min-height:44px; margin:8px 0 0; padding:0; accent-color:var(--success); cursor:pointer; }
.picker-notes { margin-top:18px; border:1px solid #b7925333; border-radius:10px; background:var(--glass); box-shadow:inset 0 1px 0 #fff5df06; }
.picker-notes details { margin:0 22px; }
.picker-notes details+details { border-top:1px solid var(--line); }
.picker-notes summary { display:flex; align-items:center; gap:12px; padding:15px 0; min-height:56px; cursor:pointer; color:var(--ink); font-size:.9375rem; list-style:none; }
.picker-notes summary::-webkit-details-marker { display:none; }
.picker-notes summary::after { content:''; width:7px; height:7px; border-right:1.5px solid var(--ink-soft); border-bottom:1.5px solid var(--ink-soft); transform:rotate(45deg); margin:0 4px 4px auto; flex-shrink:0; transition:transform .15s ease; }
.picker-notes details[open] summary::after { transform:rotate(225deg); margin-bottom:0; }
.picker-note-tag { color:var(--accent); background:#ffe58a0d; border:1px solid #ffe58a26; border-radius:5px; padding:3px 8px; font-size:.8125rem; line-height:1.4; }
.picker-note-count { color:var(--ink-soft); font-size:.8125rem; }
.picker-notes .picker-note-rows { list-style:none; margin:0; padding:0 0 12px; max-width:80ch; }
.picker-note-rows li { padding:10px 0; color:var(--ink-soft); font-size:.9375rem; line-height:1.65; }
.picker-note-rows li+li { border-top:1px solid var(--line); }
.picker-progress-note { display:flex; gap:9px; align-items:baseline; padding:13px 22px; margin:0; border-top:1px solid var(--line); color:var(--ink-soft); font-size:.875rem; line-height:1.6; background:#15130f38; border-radius:0 0 10px 10px; }
.picker-progress-note>span { color:var(--success); flex-shrink:0; }
.intake-result .intake-tools { display:flex; justify-content:space-between; align-items:flex-start; gap:8px 26px; flex-wrap:wrap; padding:14px 3px 0; border:0; }
.intake-result .intake-tools .meta { color:var(--ink-muted); font-size:.8125rem; line-height:1.6; }
.intake-picker button:focus-visible,.intake-picker a:focus-visible,.intake-picker input:focus-visible,.intake-picker summary:focus-visible { outline:2px solid var(--success); outline-offset:3px; }
@keyframes picker-enter { from { opacity:.6; transform:translateY(4px); } to { opacity:1; transform:none; } }
@media(hover:hover) and (pointer:fine) { .picker-sequence button:hover,.picker-paths button:hover { border-color:#75d8c566; }.picker-options button:hover { color:var(--ink); background:#75d8c50d; } }
@media(prefers-reduced-motion:reduce) { .picker-preview-inner { animation:none; }.picker-notes summary::after { transition:none; } }
html[data-motion=paused] .picker-preview-inner { animation:none; }
html[data-motion=paused] .picker-notes summary::after { transition:none; }
@media(max-width:900px) { .picker-workspace { gap:18px; padding:18px; grid-template-columns:minmax(240px,.85fr) minmax(0,1.25fr); }.picker-preview-inner { padding:22px; }.picker-launch { flex-direction:column; align-items:stretch; gap:12px; }.picker-launch>span { max-width:none; } }
@media(max-width:700px) {
 .picker-heading { flex-direction:column; align-items:flex-start; gap:10px; padding:17px 18px; margin:12px 0 16px; }
 .picker-paths { width:100%; gap:6px; }
 .picker-paths button { flex:1; min-width:0; padding:9px 8px; font-size:.875rem; }
 .picker-paths small { font-size:.8125rem; }
 .picker-workspace { display:block; padding:15px; }
 .picker-sequence>div { display:grid; grid-template-columns:1fr 1fr; gap:7px; }
 .picker-sequence button { display:flex; align-items:flex-start; padding:12px 9px; gap:8px; margin:0; border-color:var(--line); }
 .picker-sequence button::after,.picker-step-arrow { display:none; }
 .picker-step-number { width:25px; height:25px; flex-shrink:0; font-size:.8125rem; }
 .picker-sequence strong { font-size:.875rem; }
 .picker-sequence small { font-size:.8125rem; }
 .picker-sequence-note { padding:14px 0; font-size:.8125rem; }
 .picker-sequence-note br { display:none; }
 .picker-preview-inner { padding:20px; }
 .picker-preview h2 { margin-top:16px; }
 .picker-prompt,.picker-explanation { min-height:0; }
 .picker-value { font-size:2rem; }
 .picker-notes details { margin-inline:17px; }
 .picker-notes summary { flex-wrap:wrap; gap:7px 10px; }
 .picker-note-tag { max-width:100%; }
 .picker-progress-note { padding:12px 17px; }
}

/* Bookplate titles reuse the academy's binding, paper and brass palette. */
.academy-welcome>div:first-child { position:relative; min-width:0; padding:30px 36px 28px 43px; border:1px solid #b88e5680; border-left:7px solid #bc8751; border-radius:7px 18px 18px 7px; background:var(--grain),linear-gradient(115deg,#443324,#25231a 75%); background-size:5px 7px,7px 5px,auto; box-shadow:inset 4px 0 0 #130f0980,inset 0 0 0 6px #e8bd7009,0 14px 28px #0003; }
.academy-welcome>div:first-child::before { content:""; position:absolute; width:24px; height:44px; right:26px; top:-1px; background:linear-gradient(90deg,#4a9c8b,#80c9ac,#4a9c8b); clip-path:polygon(0 0,100% 0,100% 100%,50% 77%,0 100%); filter:drop-shadow(0 3px 2px #0004); }
.academy-welcome h1 { padding-right:32px; margin-top:0; font-style:italic; text-shadow:0 2px 0 #0005; text-wrap:balance; }
.academy-welcome p { max-width:52ch; }
.page-heading h1,.path-heading h1 { position:relative; width:fit-content; max-width:100%; padding:6px 4px 18px 19px; border-left:3px solid #c59859; color:#fff0ce; }
.page-heading h1::after,.path-heading h1::after { content:""; position:absolute; bottom:4px; left:19px; width:72px; height:3px; background:linear-gradient(90deg,#e6bb71,#77bdaa); border-radius:3px; box-shadow:0 4px 0 #c69b5233; }
.catalog-heading h2,.section-heading h2 { font-style:italic; text-decoration:underline; text-decoration-color:#b88e5666; text-decoration-thickness:1px; text-underline-offset:7px; }
@media(max-width:620px) { .academy-welcome>div:first-child { padding:25px 22px 23px 26px; } .academy-welcome>div:first-child::before { right:19px; width:19px; height:32px; } .academy-welcome h1 { padding-right:19px; font-size:clamp(2rem,8vw,3rem); } }

/* The five academy destinations share one reachable row on narrow screens. */
.nav-label-short{display:none}
@media(max-width:620px){
  .primary-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;align-items:stretch}
  .primary-nav>.nav-link,.resource-menu>summary{justify-content:center;min-width:0;min-height:48px;padding:8px 2px;font-size:.8125rem;line-height:1.2;text-align:center}
  .primary-nav>.nav-link:first-child{padding-left:2px}
  .primary-nav>.nav-link>span:not(.nav-label-short),.resource-menu>summary>span:not(.nav-label-short){display:none}
  .primary-nav .nav-label-short{display:inline}
  .resource-menu{display:block}
  .resource-menu>summary{gap:3px}
  .resource-menu>summary>svg{width:12px}
  .resource-links{max-width:calc(100vw - 28px);max-height:calc(100dvh - 130px);overflow-y:auto;background:linear-gradient(135deg,#2a251bd9,#1b1915f2),var(--paper)}
  .path-switcher a,.path-library-group>div a{min-height:44px}
  .path-availability a,.path-library-group h3 a,.course-card h2 a,.classroom-breadcrumb a,.mini-links a,.storage-bar a,.footer a{display:inline-flex;align-items:center;min-height:44px}
  .tutorial-course h2 a{display:inline-flex;align-items:center;min-height:44px}
}

.academy-coming-soon{min-height:100svh;display:grid;place-items:center;padding:24px}.academy-coming-soon>.panel{width:min(100%,640px);padding:clamp(24px,6vw,64px);text-align:center}.academy-coming-soon h1{font-size:clamp(2rem,8vw,3.5rem);line-height:1.15}.academy-coming-soon .actions{justify-content:center;flex-wrap:wrap}.academy-coming-soon a{min-height:44px}.academy-coming-soon #academy-account-status{overflow-wrap:anywhere}