@font-face {font-family:Vazir;src:url("/fonts/vazir.woff2") format("woff2");font-display:swap}
@font-face {font-family:Bufalo;src:url("/fonts/Bufalo.ttf") format("truetype");font-weight:400;font-display:swap}
:root {--paper:#fff;--white:#fff;--ink:#10294a;--muted:#52647d;--line:#dbe6ef;--teal:#007481;--aqua:#def6f4;--orange:#ff913f;--yellow:#e4f4fb;--soft:#f1f7fa;--danger:#a32a25;--radius:12px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.9 Vazir,Tahoma,sans-serif}
h1,h2,h3,.brand b{font-family:Bufalo,Vazir,Tahoma,sans-serif;font-weight:400;font-synthesis:none}
h1,h2,h3,p,figure{margin:0}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:6px}
button,input,select,textarea{font:inherit}
button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
button{cursor:pointer;min-height:46px;padding:10px 18px;border:1px solid #b9ccda;border-radius:10px;background:var(--white);color:var(--ink);transition:background .18s,border-color .18s,transform .18s}
button:hover{background:#edf8fa;border-color:#7bb7c4}
button:active{transform:translateY(1px)}
button:disabled{opacity:.6;cursor:wait}
.primary{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;background:var(--orange);border-color:transparent;color:var(--ink);font-weight:bold}
.primary:hover{background:#ffa25c;border-color:transparent}
:focus-visible{outline:3px solid var(--teal);outline-offset:4px}
[hidden]{display:none!important}
small,.quiet-note{color:var(--muted);font-size:13px}
.icon{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.skip{position:fixed;top:-100px;right:20px;z-index:100;background:white;padding:12px}.skip:focus{top:10px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.content-width{width:min(1232px,calc(100% - 96px));margin-inline:auto}
.topbar{position:absolute;inset-block-start:0;inset-inline:0;z-index:10;max-width:1360px;margin:auto;padding:24px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:96px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand:hover{text-decoration:none}
.brand img{width:46px;height:46px;object-fit:contain;border-radius:10px}
.brand b{display:block;font-size:26px;line-height:1.4}.brand small{display:block;direction:ltr;font:9px/1.8 Arial,sans-serif;letter-spacing:2.3px}
.site-nav{display:flex;gap:30px;font-size:14px}.site-nav a{padding-block:10px}
.top-actions{display:flex;gap:8px}.top-actions button{font-size:13px;padding-inline:22px;border-radius:30px}
.top-actions #auth{display:flex;align-items:center;gap:12px;background:var(--orange);color:var(--ink);border:0;font-weight:700}.top-actions #auth:hover{background:#ffa25c}
.top-actions #auth .icon{width:20px;height:20px}
.world-cover{position:relative;isolation:isolate;height:clamp(670px,56vw,820px);background:#e8f6ff;overflow:hidden}
.world-picture{position:absolute;inset:0;z-index:-2}.world-hero-art{width:100%;height:100%;object-fit:cover;object-position:50% 54%;display:block}
.hero-inner{width:min(1232px,calc(100% - 96px));margin:auto;padding-top:145px}
.hero-copy{width:400px;max-width:100%;padding:16px 0 20px}
.eyebrow{display:block;font-size:12px;font-weight:700;color:var(--teal);margin-bottom:14px}
.hero-copy h1{font-size:clamp(48px,3.8vw,58px);line-height:1.4;letter-spacing:-.4px}.hero-copy h1 span{white-space:nowrap}
.world-cover:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(270deg,#ffffffdb 0%,#ffffff8c 24%,transparent 46%);pointer-events:none}
.hero-copy>p{font-size:17px;line-height:1.95;margin-top:18px;color:#415779}
.hero-copy>.primary{margin-top:26px;min-height:56px;border-radius:30px;font-size:15px;min-width:242px;padding-inline:24px}
.hero-copy>small{display:block;font-size:12px;margin-top:10px;color:#435a75}
.hero-explore{display:inline-flex;align-items:center;gap:16px;font-size:12px;min-height:44px;margin-top:10px;color:#244c68}
.hero-explore span{font-size:22px}.scene-caption{position:absolute;inset-inline-end:48px;inset-block-end:90px;display:flex;align-items:center;gap:9px;font-size:11px;color:white;text-shadow:0 1px 5px #10294a}
.scene-caption span{width:18px;height:1px;background:currentColor}
.welcome-path{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.5fr);column-gap:60px;row-gap:28px;margin-top:-65px;align-items:start}
.sample-sheet{grid-row:1/3;background:white;border:1px solid #e4edf3;box-shadow:0 20px 55px -24px #356f9c40;border-radius:22px;padding:24px;min-width:0}
.sample-top{display:flex;justify-content:space-between;align-items:center;gap:10px;color:var(--muted);font-size:11px}
.practice-label{background:#e9f4ff;color:#2e557f;border-radius:20px;padding:4px 12px}
.sample-content{display:grid;grid-template-columns:minmax(0,1fr) 140px;align-items:center;gap:12px;margin-top:20px}
.sample-content h3{font:700 16px/1.95 Vazir,Tahoma,sans-serif}.geometry-art{width:140px;height:90px;max-width:100%}
.sample-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:18px}
.sample-options button{min-width:0;display:flex;align-items:center;gap:7px;justify-content:center;padding:9px 7px;border-color:#dbe6ee;font-size:13px;min-height:48px}
.sample-options button>span{font-size:10px;color:var(--muted)}.sample-options button i{width:12px;height:12px;border:1px solid #a4b9c9;border-radius:50%;flex-shrink:0;margin-inline-start:auto}
.sample-options button[aria-pressed=true]{border-color:var(--teal);background:#e5f8f3}.sample-options button[aria-pressed=true] i{background:var(--teal);box-shadow:inset 0 0 0 3px #e5f8f3;border-color:var(--teal)}
.sample-sheet[data-answer=rethink] button[aria-pressed=true]{background:#fff1e5;border-color:#b36a2d}
.sample-feedback{font-size:12px;color:var(--muted);line-height:1.9;min-height:55px;margin-top:16px}
.sample-sheet[data-answer=correct] .sample-feedback{color:#00644a}.sample-sheet[data-answer=rethink] .sample-feedback{color:#914718}
.sample-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:10px;border-top:1px solid var(--line);padding-top:10px}
.sample-foot button{background:transparent;border-color:transparent;font-size:11px;color:var(--teal);padding:5px 0;min-height:44px}
.sample-foot button span{font-size:19px;margin-inline-start:5px}
.sample-foot .sample-continue{font-size:12px;font-weight:700;background:#e9f6f8;border-radius:9px;padding-inline:12px}.sample-privacy{font-size:11px;color:var(--muted);margin-top:8px}
.path-intro{padding-top:100px}.path-intro .eyebrow{margin-bottom:8px}.path-intro h2{font-size:33px;line-height:1.45}.path-intro h2 br{display:none}.path-intro p{font-size:14px;color:var(--muted);margin-top:10px}.path-intro p br{display:none}
.path-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;list-style:none;margin:0;padding:0}
.path-steps li{position:relative;min-width:0}.path-steps li:not(:last-child):after{content:"";position:absolute;inset-inline-start:83px;inset-inline-end:-12px;top:32px;height:1px;background:#dbe8f2}
.path-icon{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin-bottom:14px}.path-icon svg{width:30px;height:30px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.path-icon.orange{background:#fff0e2;color:#a94a18}.path-icon.aqua{background:#e0f9f8;color:#007987}.path-icon.blue{background:#e6f3ff;color:#2168a1}
.path-steps b{font-family:Bufalo,Vazir,sans-serif;font-weight:400;font-size:24px}.path-steps p{font-size:12px;color:var(--muted);margin-top:5px;line-height:1.9}
.role-chapter{margin-top:90px}.chapter-heading{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:30px}.chapter-heading h2{font-size:40px;line-height:1.5}.chapter-heading .eyebrow{margin-bottom:8px}.chapter-heading>p{font-size:13px;color:var(--muted)}
.space-selector{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.space-selector button{display:flex;flex-direction:column;align-items:start;min-height:82px;padding:14px 20px;border-color:#e0eaf1;background:#f8fbfd}
.space-selector button>b{font:400 23px/1.6 Bufalo,Vazir,sans-serif}.space-selector button>span{font-size:11px;color:var(--muted)}
.space-selector button[aria-pressed=true]{background:#fff0e1;border-color:#ffb980;color:#703a17}.space-selector button[aria-pressed=true]>span{color:#754b31}
.role-page{display:grid;grid-template-columns:.55fr 1.45fr;gap:48px;margin-top:28px;align-items:center;background:#f5fafc;border:1px solid #e4edf3;border-radius:24px;overflow:hidden;min-height:320px}
.role-visual{height:100%;min-height:320px;position:relative;overflow:hidden}.role-visual img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:11% center}
.role-visual span{position:absolute;inset-inline:20px;bottom:20px;border-radius:12px;background:#fffffff2;padding:12px 18px;text-align:center;font-size:13px;color:#243f60}
.role-copy{padding:32px 0 32px 40px}.role-copy .eyebrow{font-size:11px}.role-copy h3{font-size:34px;line-height:1.55;white-space:pre-line}.role-copy>p{font-size:14px;line-height:2;color:var(--muted);max-width:480px;margin-top:18px;min-height:84px}
.space-features{display:flex;gap:10px 18px;flex-wrap:wrap;margin-top:20px;font-size:12px;color:#155b65}.space-features span{display:flex;align-items:center;gap:7px}.space-features span:before{content:"✓";color:var(--teal)}
.handbook{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;padding-block:65px 30px;margin-top:65px;border-top:1px solid var(--line)}
.handbook h2{font-size:40px;line-height:1.5}.handbook-heading>p{font-size:14px;color:var(--muted);margin-top:15px}
.connection-note{display:block;font-size:12px;color:var(--teal);margin-top:25px}.handbook-heading>small{display:block;font-size:11px;margin-top:5px}
.faq-list details{border-bottom:1px solid var(--line)}summary{display:flex;justify-content:space-between;align-items:center;gap:20px;cursor:pointer;list-style:none;min-height:64px;padding:20px 0;font-size:14px}summary::-webkit-details-marker{display:none}summary:after{content:"+";font:25px/1 Arial;color:var(--teal);flex-shrink:0}details[open]>summary:after{content:"−"}
.faq-list p{padding:0 0 24px;font-size:13px;color:var(--muted);line-height:2}
.endnote{margin-top:55px;display:flex;justify-content:space-between;align-items:center;gap:30px;background:#eaf8fb;padding:38px 45px;border-radius:24px}
.endnote h2{font-size:34px;line-height:1.5}.endnote .eyebrow{margin-bottom:8px}.endnote a{display:flex;align-items:center;gap:24px;font-size:13px;min-height:44px}
footer.content-width{display:flex;justify-content:space-between;gap:24px;padding:30px 0;font-size:11px;color:var(--muted);margin-top:35px;border-top:1px solid var(--line)}footer>span[dir]{font:10px/2 Arial;letter-spacing:2px}
#notice:not(:empty){position:relative;z-index:20;background:#fff0c8;color:#6d3910;border:1px solid #b98c51;margin:100px auto 16px;padding:14px 20px;width:min(1120px,calc(100% - 32px));font-size:14px;border-radius:12px}
/* Signed-in workbench: horizontal controls and full-width paper, no sidebar. */
.workspace { max-width: 1320px; margin: auto; padding: 8px 40px 50px; }
.sidebar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.rail-brand { display: none; }
.sidebar select { width: 195px; font-size: 13px; min-height: 46px; margin-inline-end: 12px; }
.sidebar button { display: flex; align-items: center; gap: 8px; border-color: transparent; min-height: 46px; font-size: 13px; padding: 8px 12px; }
.sidebar button.selected { border-color: #ffd1b3; background: #fff0e3; color: #7d3514; }
.nav-symbol { display: flex; width: 18px; flex-shrink: 0; }
.nav-symbol svg { width: 18px; height: 18px; }
.rail-profile { display: flex; align-items: center; gap: 8px; margin-inline-start: auto; padding-inline-start: 12px; font-size: 12px; }
.profile-initial { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--yellow); border: 1px solid var(--line); }
.rail-profile small { display: block; font-size: 10px; }
.content { min-width: 0; padding-top: 16px; }
.content > .card + .cards { margin-top: 24px; }
.workspace-context { display: flex; gap: 16px; justify-content: space-between; font-size: 11px; color: var(--muted); }
.workspace-context > span:first-child { font: 10px monospace; direction: ltr; }
.page-title { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin: 10px 0 20px; }
.page-title h1 { font-size: 32px; line-height: 1.4; }
.page-title p { display:none; }
.page-index { display: none; }
.cards { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(280px,100%),1fr)); gap: 24px; }
.stack { display: grid; gap: 24px; }
.card { background: var(--white); border: 1px solid var(--line); border-top: 1px solid var(--line); border-radius: 16px; padding: 24px; min-width: 0; overflow-wrap: anywhere; }
.card h2 { font-size: 25px; line-height:1.5; margin-bottom: 20px; }
.content[data-screen=questions] .cards .card h2{font:700 17px/1.95 Vazir,Tahoma,sans-serif;white-space:pre-wrap}
.card > p { margin: 12px 0; }
.card > small { display: block; }
.card > button { margin: 12px 0 0 8px; font-size: 13px; }
.card-id { font: 12px/2 monospace; color: var(--muted); direction: ltr; overflow-wrap: anywhere; }
.tag { display: inline-block; padding: 3px 9px; background: var(--aqua); color: #225c48; font-size: 12px; }
.form { display: grid; gap: 22px; }
.form label { display: grid; gap: 8px; font-size: 14px; font-weight: bold; }
.form input,.form select,.form textarea,input,select,textarea { min-width: 0; width: 100%; font-size: 16px; border: 1px solid #b3c5d2; border-radius: 10px; background: var(--white); color: var(--ink); padding: 11px 14px; }
.form input:focus,.form select:focus,.form textarea:focus { outline: 2px solid var(--teal); outline-offset: 2px; }
.form button[type=submit] { min-width: 180px; justify-self: start; margin-top: 8px; }
.form fieldset { border: 1px solid var(--line); padding: 20px; min-width: 0; }
.form legend { padding: 0 8px; font-size: 14px; }
.form h3 { font-size: 21px; }
textarea { min-height: 130px; resize: vertical; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.checkbox { display: flex!important; align-items: center; gap: 12px!important; }
.checkbox input,input[type=checkbox],input[type=radio] { width: auto; accent-color: var(--teal); }
.empty { padding: 56px 24px; border-block: 1px dashed var(--line); text-align: center; color: var(--muted); background: var(--white); }
.quiet-note { line-height: 2; }
.danger { color: var(--danger); }
.report-answer { background: var(--soft); padding: 16px; border-inline-start: 3px solid var(--teal); white-space: pre-wrap; }
.report-question { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.report-question h3 { font-size: 22px; margin-bottom: 16px; }
.review-badge { display: inline-block; padding: 5px 10px; font-size: 12px; background: #fff0c8; color: #78460c; border: 1px solid #b98c51; }
.exam-list { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--white); }
.exam-entry { display: grid; grid-template-columns: 36px minmax(0,1fr) 240px auto; align-items: center; gap: 24px; padding: 28px 24px; border-bottom: 1px solid var(--line); }
.entry-number { direction: ltr; font: italic 30px Georgia; color: var(--teal); }
.entry-info h2 { font-size: 24px; line-height: 1.7; overflow-wrap: anywhere; margin-bottom: 8px; }
.entry-info p { color: var(--muted); font-size: 12px; margin-top: 8px; }
.entry-schedule small { display: block; font-size: 12px; line-height: 2; }
.entry-actions { display: flex; flex-direction: column; gap: 8px; }
.entry-actions button { font-size: 12px; padding: 8px 12px; min-height: 44px; }
.entry-actions button:not(.primary) { border-color: transparent; }
.exam-shell { max-width: 940px; padding: 0 24px; margin: 34px auto; }
.exam-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--ink); margin-bottom: 24px; }
.exam-heading h1 { font-size: 27px; line-height: 1.7; overflow-wrap: anywhere; }
.timer { font: 700 26px/1.5 monospace; direction: ltr; letter-spacing: 2px; padding: 10px 16px; border: 1px solid var(--ink); background: var(--yellow); color: var(--ink); flex-shrink: 0; }
.question { padding: 34px; background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--teal); border-radius: 16px; }
.question > small { color: var(--muted); font-size: 13px; }
.question h2 { font: 700 22px/2 Vazir,Tahoma,sans-serif; font-synthesis: weight; white-space: pre-wrap; margin: 20px 0 28px; }
.options { display: grid; gap: 12px; }
.option { cursor: pointer; display: flex; align-items: start; gap: 14px; padding: 18px; border: 1px solid #b3c5d2; border-radius: 12px; white-space: pre-wrap; }
.option:hover { border-color: var(--teal); }
.option:has(input:checked) { border-color: var(--teal); box-shadow: inset -3px 0 var(--teal); background: #e9f8f7; }
.option input { margin-top: 8px; flex-shrink: 0; }
.option > span { overflow-wrap: anywhere; }
.exam-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.exam-actions button { font-size: 14px; }
.save-status { min-height: 30px; margin: 16px 0; color: #1c6545; font-size: 14px; }
.watermark { font: 10px/2 monospace; direction: ltr; text-align: left; margin-top: 28px; color: var(--muted); }
.in-exam .site-nav,.in-exam footer,.in-workspace .site-nav { display: none; }
.in-exam { background: #f3f8fb; }
.in-exam .topbar { padding-block: 16px; }
.in-workspace footer { margin-inline: 40px; }
.offline-shell { max-width: 760px; padding: 32px; margin: 60px auto; }
.offline-note { padding: 32px; border-top: 4px solid var(--orange); background: var(--white); }
.offline-note h1 { font-size: 36px; margin-bottom: 20px; }
.offline-note p { color: var(--muted); }
.offline-note a { display: inline-block; margin-top: 24px; text-decoration: underline; }

.workspace-tools{position:relative;min-width:0}.workspace-tools>summary{display:inline-flex;min-height:44px;font-size:12px;gap:20px;padding:8px 12px;background:#eef5fa;border-radius:10px}.workspace-tools>summary:after{font-size:20px}.tools-list{position:absolute;inset-inline-start:0;top:calc(100% + 8px);z-index:30;width:min(520px,calc(100vw - 48px));display:flex;flex-wrap:wrap;gap:6px;padding:12px;background:white;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 35px #10294a1a}
.in-workspace .topbar,.in-exam .topbar{position:relative;background:white;border-bottom:1px solid var(--line)}.in-workspace #notice:not(:empty),.in-exam #notice:not(:empty){margin-top:16px}
.in-workspace .topbar{min-height:76px;padding-block:14px}.workspace-context{display:none}
.workspace-context>span:first-child{display:none}.rail-profile{min-width:0}.rail-profile>div{min-width:0;overflow-wrap:anywhere}.rail-profile b{overflow-wrap:anywhere}
.timer{border-color:#d1e6ef;background:#e9f8fd;border-radius:12px}
.sidebar select{border-radius:10px}
@media(min-width:1000px){.content[data-screen=questions] .card:first-of-type>.form>.stack{grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:start}}
@media(min-width:1700px){.world-cover{height:850px}.hero-inner{padding-top:175px}}
@media(max-width:1100px){
 .workspace-tools{flex-basis:100%}.workspace-tools>summary{width:100%;justify-content:space-between}.tools-list{position:static;width:100%;box-shadow:none;border:0;background:transparent;padding:10px 0 0}.tools-list button{flex:1 1 140px}
 .topbar{padding-inline:32px}.site-nav{gap:18px;font-size:12px}.hero-copy{width:320px}.hero-inner{padding-top:125px}.hero-copy h1{font-size:52px}.hero-copy>p{font-size:15px}
 .content-width,.hero-inner{width:calc(100% - 64px)}.welcome-path{column-gap:30px;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr)}
 .sample-sheet{padding:20px}.sample-content{grid-template-columns:1fr}.geometry-art{height:65px;width:150px;justify-self:center}
 .path-steps{gap:18px}.path-steps li:not(:last-child):after{inset-inline-start:72px;inset-inline-end:-8px}.path-steps p{font-size:11px}.role-page{gap:35px}.role-copy{padding-inline-end:28px}
 .workspace{padding-inline:28px}.exam-entry{grid-template-columns:30px minmax(0,1fr) auto;gap:18px}.entry-schedule{grid-column:2;grid-row:2}.entry-actions{grid-column:3;grid-row:1/3}
}
@media(max-width:760px){
 .topbar{padding:18px 24px;min-height:82px}.brand b{font-size:23px}.brand img{width:40px;height:40px}.site-nav{display:none}.top-actions button{font-size:12px;padding-inline:18px}
 .world-cover{height:750px;min-height:0}.hero-inner{padding-top:105px;width:calc(100% - 48px)}.hero-copy{width:340px}.hero-copy h1{font-size:49px}.hero-copy>p{font-size:15px}.hero-copy .eyebrow{font-size:11px}
 .world-picture{top:auto;height:410px}.world-hero-art{object-position:28% center}.world-cover{background:linear-gradient(#f4fbff 40%,#e7f6ff)}.world-cover:before{display:none}
 .world-cover:after{content:"";position:absolute;inset:320px 0 auto;height:100px;background:linear-gradient(#edf8ff,transparent);z-index:-1;pointer-events:none}
 .hero-copy{padding-top:10px}.hero-copy>.primary{margin-top:20px}.hero-explore{margin-top:4px}.scene-caption{display:none}
 .content-width{width:calc(100% - 48px)}.welcome-path{margin-top:-35px;grid-template-columns:1fr;gap:32px}.sample-sheet{grid-row:auto;max-width:560px;width:100%;justify-self:center;padding:24px}.sample-content{grid-template-columns:minmax(0,1fr) 140px}.geometry-art{height:90px;width:140px}
 .path-intro{padding-top:0}.path-intro h2{font-size:33px}.path-intro p{font-size:13px}.path-steps{gap:24px}.path-steps li:not(:last-child):after{inset-inline-start:80px;inset-inline-end:-12px}
 .role-chapter{margin-top:65px}.chapter-heading{align-items:start;flex-direction:column;gap:14px}.chapter-heading h2{font-size:34px}.chapter-heading>p{font-size:13px}
 .space-selector{gap:8px}.space-selector button{padding:12px;min-height:75px}.space-selector button>b{font-size:20px}.space-selector button>span{font-size:10px}
 .role-page{grid-template-columns:.8fr 1.2fr;gap:24px;min-height:340px}.role-visual{min-height:340px}.role-visual span{inset-inline:12px;bottom:12px;padding:10px;font-size:11px}.role-copy{padding:24px 0 24px 22px}.role-copy h3{font-size:28px}.role-copy>p{font-size:12px}.space-features{font-size:11px;gap:8px 12px}
 .handbook{grid-template-columns:1fr;gap:28px;margin-top:50px;padding-top:35px}.handbook h2{font-size:34px}.handbook h2 br{display:none}.connection-note{margin-top:16px}
 .endnote{margin-top:30px;padding:30px}.endnote h2{font-size:30px}.endnote a{font-size:12px;gap:12px}
 .workspace{padding:12px 24px 40px}.sidebar{gap:6px}.sidebar select{width:calc(100% - 145px);margin-inline-end:0;order:-2}.rail-profile{order:-1;width:139px;margin:0;padding-inline-start:6px;justify-content:end}.sidebar button{flex:1 0 auto;justify-content:center}.sidebar .nav-symbol{display:none}.tools-list button{flex:1 1 130px}.workspace-tools{flex-basis:100%}.workspace-tools>summary{width:100%;justify-content:space-between}.tools-list{position:static;width:100%;box-shadow:none;border:0;background:transparent;padding:10px 0 0}
 .row{grid-template-columns:1fr}.page-title h1{font-size:31px}.card{padding:24px}.exam-heading h1{font-size:23px}.question h2{font-size:20px}
}
@media(max-width:480px){
 .content-width{width:calc(100% - 32px)}.topbar{padding:16px;gap:10px;flex-wrap:wrap;min-height:76px}.brand{gap:8px}.brand img{width:35px;height:35px}.brand b{font-size:20px}.brand small{font-size:8px;letter-spacing:1.7px}.top-actions{gap:4px;margin-inline-start:auto}.top-actions button{min-height:44px;font-size:11px;padding:8px 14px}.top-actions #auth{gap:7px}.top-actions #auth .icon{width:17px;height:17px}
 .world-cover{height:735px}.hero-inner{width:calc(100% - 40px);padding-top:94px}.hero-copy{width:100%;max-width:355px;padding-block:6px 0}.hero-copy h1{font-size:45px;line-height:1.4}.hero-copy>.eyebrow{margin-bottom:10px}.hero-copy>p{font-size:14px;margin-top:13px}.hero-copy>p br{display:none}.hero-copy>.primary{min-height:52px;min-width:237px;font-size:14px;margin-top:18px}.hero-copy>small{font-size:10px;margin-top:7px}.hero-explore{font-size:11px}
 .world-picture{height:340px}.world-hero-art{object-position:21% center}.world-cover:after{top:374px;height:80px}
 .welcome-path{margin-top:-28px;gap:28px}.sample-sheet{padding:20px;border-radius:18px}.sample-content{grid-template-columns:1fr;gap:8px;margin-top:14px}.sample-content h3{font-size:16px}.geometry-art{width:155px;height:74px}.sample-top{font-size:10px}.sample-options{margin-top:10px;gap:7px}.sample-options button{font-size:13px;padding:8px 6px;gap:5px}.sample-options button>span{font-size:10px}.sample-options button i{width:11px;height:11px}.sample-feedback{font-size:12px;min-height:69px;margin-top:12px}.sample-foot{font-size:10px;align-items:start;flex-wrap:wrap}.sample-foot>span{padding-top:8px}.sample-foot button{font-size:10px;margin-inline-start:auto}
 .path-intro h2{font-size:31px}.path-intro p{font-size:13px}.path-steps{gap:16px}.path-icon{width:54px;height:54px;margin-bottom:10px}.path-icon svg{width:27px;height:27px}.path-steps li:not(:last-child):after{top:27px;inset-inline-start:66px;inset-inline-end:-7px}.path-steps b{font-size:22px}.path-steps p{font-size:11px}.path-steps p br{display:none}
 .role-chapter{margin-top:55px}.chapter-heading{gap:12px;margin-bottom:22px}.chapter-heading h2{font-size:32px}.chapter-heading>p{font-size:12px}.chapter-heading>p br{display:none}
 .space-selector{grid-template-columns:1fr 1fr;gap:8px}.space-selector button{min-height:76px;padding:12px 16px}.space-selector button>b{font-size:22px}.space-selector button>span{font-size:11px}
 .role-page{grid-template-columns:1fr;gap:0;margin-top:18px;border-radius:18px}.role-visual{height:120px;min-height:120px}.role-visual img{object-position:50% 50%}.role-visual span{inset-inline:auto;inset-inline-start:14px;bottom:12px;font-size:10px}.role-copy{padding:24px}.role-copy h3{font-size:31px}.role-copy>p{font-size:13px;min-height:104px;margin-top:13px}.role-copy .eyebrow{font-size:11px}.space-features{margin-top:15px}
 .handbook{margin-top:40px;padding-block:28px 10px}.handbook-heading>p{font-size:13px;margin-top:12px}.handbook h2{font-size:32px}.connection-note{font-size:11px}.handbook-heading>small{font-size:10px}summary{font-size:13px;min-height:66px;padding-block:18px}.faq-list p{font-size:12px}
 .endnote{padding:26px 24px;flex-direction:column;align-items:start;gap:18px;border-radius:18px}.endnote h2{font-size:29px}.endnote .eyebrow{font-size:11px}
 footer.content-width{flex-wrap:wrap;font-size:10px;gap:12px;margin-top:24px;padding-block:24px}footer>span[dir]{display:none}
 .workspace{padding:10px 16px 30px}.sidebar select{width:100%;order:-3}.rail-profile{width:auto;justify-content:start;padding:6px 0;flex-basis:100%}.sidebar>button{font-size:12px}.card{padding:20px}.card h2{font-size:25px}.form{gap:18px}.form fieldset{padding:14px}.form button[type=submit]{min-width:0;width:100%}
 .page-title{margin:16px 0 24px}.page-title h1{font-size:29px}.page-title p{font-size:12px}.workspace-context{font-size:10px}
 .exam-entry{padding:20px 16px;grid-template-columns:25px minmax(0,1fr);gap:12px}.entry-info h2{font-size:22px}.entry-number{font-size:24px}.entry-schedule{grid-column:2;grid-row:auto}.entry-schedule small{font-size:11px}.entry-actions{grid-column:1/-1;grid-row:auto;flex-direction:row;flex-wrap:wrap;gap:6px}.entry-actions button{flex:1 1 100px;font-size:11px}.exam-shell{padding:0 16px;margin-top:24px}.exam-heading{gap:14px;align-items:start}.exam-heading h1{font-size:22px}.timer{font-size:21px;letter-spacing:1px;padding:8px 12px}.question{padding:24px 20px}.question h2{font-size:19px;margin-block:16px 24px}.option{padding:15px 12px}.exam-actions button{flex:1 1 120px;font-size:12px}.save-status{font-size:13px}.in-workspace footer{margin-inline:16px}
}
@media(max-width:359px){.hero-copy h1{font-size:40px}.hero-copy>p{font-size:13px}.brand b{font-size:18px}.brand img{width:31px;height:31px}.top-actions button{padding-inline:11px;font-size:10px}.top-actions #auth .icon{width:16px}.sample-sheet{padding:18px 16px}.sample-options{gap:5px}.sample-options button{font-size:12px}.sample-foot>span{font-size:9px}.sample-feedback{min-height:92px}.hero-copy>.primary{min-width:225px}}
@media(prefers-reduced-motion:no-preference){.hero-copy{animation:world-enter .5s cubic-bezier(.2,.7,.3,1) both}.sample-sheet{animation:world-enter .5s .08s cubic-bezier(.2,.7,.3,1) both}.space-selector button{transition:background .18s,border-color .18s,transform .18s}@keyframes world-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}