@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@600;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;--bg:#f8f9fa;--card:#fff;--surface:#eef1f4;--hover:#eef1f4;--text:#1b2129;--muted:#46505c;--faint:#8a939e;--line:#d8dee5;--line-strong:#bcc5cf;--accent:#2f5f8f;--accent-hover:#28527c;--accent-text:#2a5580;--tint:#dfe8f1;--tint-2:#ebf1f7;--on-accent:#fff;--secondary:#8a5a1c;--trap-bg:#f3ead3;--trap-label:#6b5217;--danger:#a3302a;--danger-tint:#f5e0dc;--term-bg:#1b2129;--term-text:#e6eaef;--term-dim:#aab4bf;--term-prompt:#8fb8e0;--term-line:#2e3640;font-family:DM Sans,system-ui,sans-serif}[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#12161b;--card:#181d23;--surface:#1a1f26;--hover:#1a1f26;--text:#eef1f4;--muted:#a3aebb;--faint:#5f6b78;--line:#2b323c;--line-strong:#3d4651;--accent:#6fa3d6;--accent-hover:#86b3e0;--accent-text:#7fb0e0;--tint:#1c2d40;--tint-2:#172434;--on-accent:#0d1622;--secondary:#d9a55c;--trap-bg:#2b2718;--trap-label:#e2c173;--danger:#ef8a80;--danger-tint:#3a2220;--term-bg:#0b0e12;--term-text:#e6eaef;--term-dim:#a3aebb;--term-prompt:#8fb8e0;--term-line:#2b323c}*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{min-width:320px;color:var(--text);background:var(--bg);margin:0}button,input{font:inherit}button{color:inherit}a{color:var(--accent-text)}.app-shell{flex-direction:column;min-height:100vh;display:flex}main{flex:1}h1,h2,h3,p{overflow-wrap:anywhere}.label,.section-label{color:var(--secondary);letter-spacing:.1em;text-transform:uppercase;margin:0;font:600 11px/1.2 Space Grotesk,sans-serif}.button{cursor:pointer;border:1px solid #0000;border-radius:8px;min-height:44px;padding:0 20px;font-size:15px;font-weight:600}.button.primary{color:var(--on-accent);background:var(--accent);border-color:var(--accent)}.button.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.button.secondary{color:var(--accent-text);border-color:var(--line);background:0 0}.button.contrast{color:var(--on-accent);background:var(--accent)}.button.secondary:hover{background:var(--hover)}.button.small{min-height:40px;padding:0 16px}[aria-disabled=true]{color:var(--faint)!important;border-color:var(--line)!important;cursor:not-allowed!important;background:0 0!important}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app-bar{z-index:40;border-bottom:1px solid var(--line);background:var(--bg);height:64px;position:sticky;top:0}.app-bar__inner{align-items:center;width:min(100%,1440px);height:100%;margin:auto;padding:0 40px;display:flex}.brand{color:var(--text);cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:8px 0;font-size:19px;font-weight:700;display:flex}.brand-mark{background:var(--accent);border-radius:2px;width:10px;height:10px}.app-bar__divider{background:var(--line);width:1px;height:18px;margin:0 16px}.cert-switcher{position:relative}.cert-switcher>summary{min-height:36px;color:var(--muted);cursor:pointer;border-radius:8px;align-items:center;gap:8px;margin-left:-10px;padding:6px 10px;font-size:14px;list-style:none;display:flex}.cert-switcher>summary::-webkit-details-marker{display:none}.cert-switcher>summary:hover,.cert-switcher[open]>summary{background:var(--hover);color:var(--text)}.cert-switcher__code{color:var(--text);font-weight:600}.cert-switcher__caret{font-size:11px}.cert-menu{z-index:50;border:1px solid var(--line);background:var(--bg);border-radius:10px;width:300px;margin:0;padding:6px;list-style:none;position:absolute;top:calc(100% + 6px);left:-10px;box-shadow:0 8px 24px #0000001f}.cert-menu__item{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;grid-template-columns:auto 1fr;gap:2px 10px;width:100%;padding:10px 12px;font-size:14px;display:grid}.cert-menu__item:not([aria-disabled=true]):hover{background:var(--hover)}.cert-menu__item strong{grid-row:span 2;font-weight:700}.cert-menu__item small{color:var(--muted);font-size:12px}.cert-menu__item[aria-current=true] small{color:var(--accent-text);font-weight:600}.app-nav{align-items:center;gap:24px;margin-left:auto;display:flex}.nav-link{color:var(--accent-text);cursor:pointer;background:0 0;border:0;padding:8px 0;font-size:15px;font-weight:600}.save-note{color:var(--muted);font-size:13px}.theme-toggle{border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:6px;min-height:36px;padding:7px 12px;font-size:13px;font-weight:600;display:flex}.app-footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;margin-top:auto;padding:24px 16px;font-size:13px}.browse-hero{border-bottom:1px solid var(--line)}.browse-hero__inner{max-width:1360px;margin:auto;padding:28px 40px 0}.browse-hero h1{color:var(--text);letter-spacing:-.01em;margin:8px 0 0;font-size:26px;font-weight:600;line-height:1.2}.browse-hero__progress{color:var(--muted);margin:6px 0 0;font-size:14px}.outline-progress{background:var(--line);border-radius:4px;height:4px;overflow:hidden}.outline-progress span{border-radius:inherit;background:var(--accent);height:100%;display:block}.area-tabs{scrollbar-width:none;gap:28px;margin-top:18px;display:flex;overflow-x:auto}.area-tabs button{text-align:left;cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;flex:none;gap:3px;padding:0 0 12px;display:grid}.area-tabs button strong{color:var(--muted);font-size:15px;font-weight:600}.area-tabs button span{color:var(--muted);font-size:12.5px}.area-tabs button:hover strong{color:var(--text)}.area-tabs button[aria-current=page]{border-bottom-color:var(--accent)}.area-tabs button[aria-current=page] strong{color:var(--text)}.browse-body{grid-template-columns:260px minmax(0,1fr);align-items:start;gap:40px;max-width:1360px;margin:auto;padding:32px 40px 48px;display:grid}.browse-body--empty{display:block}.area-empty h2{color:var(--text);margin:0 0 8px;font-size:22px}.area-empty p{color:var(--muted);margin:0;font-size:15px}.topic-nav{position:sticky;top:88px}.topic-nav button{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;justify-content:space-between;align-items:baseline;gap:12px;width:100%;padding:10px 14px;display:flex}.topic-nav button:hover{background:var(--hover)}.topic-nav button[aria-current=page]{background:var(--tint)}.topic-nav button[aria-current=page] strong{font-weight:600}.topic-nav button strong{color:var(--text);font-size:15px;font-weight:500}.topic-nav button>span{color:var(--muted);flex:none;font-size:13px}.topic-nav button>span.done{color:var(--accent-text)}.topic-panel{border:1px solid var(--line);background:var(--card);border-radius:10px;overflow:hidden}.topic-panel>header{border-bottom:1px solid var(--line);padding:22px 28px}.topic-panel h2{color:var(--text);margin:0 0 6px;font-size:24px;font-weight:600}.topic-panel header p{color:var(--muted);margin:0;font-size:15px}.set-row{cursor:pointer;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:16px;padding:20px 28px;display:grid}.set-row+.set-row{border-top:1px solid var(--line)}.set-row:hover{background:var(--hover)}.set-index{color:var(--muted);font:600 13px Space Grotesk,sans-serif}.set-info h2,.set-info h3{color:var(--text);margin:0;font-size:17px;font-weight:600}.set-info p{max-width:620px;color:var(--muted);margin:5px 0 6px;font-size:15px;line-height:1.5}.set-info small{color:var(--muted);font-size:13px}.learn-view{grid-template-columns:260px minmax(0,1fr);align-items:stretch;gap:28px 40px;width:min(100%,1440px);margin:auto;padding:32px 40px 48px;display:grid}.outline-cell{contain:size;min-height:0;position:relative}.set-outline{scrollbar-width:thin;max-height:calc(100vh - 112px);padding-right:12px;position:sticky;top:88px;overflow-y:auto}.back-link{color:var(--accent-text);text-align:left;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:3px 0;font-size:14px;text-decoration:underline}.set-outline h1{color:var(--text);margin:12px 0 6px;font-size:24px;font-weight:600;line-height:1.2}.outline-meta,.outline-count{color:var(--muted);font-size:13px}.outline-meta{margin:0 0 18px}.outline-count{margin:8px 0 14px}.outline-list ol{margin:0;padding:0;list-style:none}.outline-list li{margin:2px 0}.outline-list li button{width:100%;color:var(--muted);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:12px;padding:9px 12px;font-size:15px;line-height:1.4;display:flex}.outline-list li button:hover{background:var(--hover)}.outline-list li button.current{background:var(--tint);color:var(--text);font-weight:600}.outline-dot{border:1px solid var(--line);width:20px;height:20px;color:var(--muted);border-radius:50%;flex:0 0 20px;place-items:center;font-size:11px;font-weight:600;display:grid}.outline-list .viewed:not(.current) .outline-dot{border-color:var(--accent);color:var(--accent-text)}.outline-list .current .outline-dot{border-color:var(--accent);width:22px;height:22px;color:var(--on-accent);background:var(--accent);flex-basis:22px;margin:-1px}.outline-secondary{border-top:1px solid var(--line);gap:6px;margin-top:12px;padding-top:12px;display:grid}.outline-secondary>div{align-items:center;gap:12px;padding:8px 12px;display:flex}.outline-secondary .dashed{border-style:dashed}.outline-secondary .passed{border-style:solid;border-color:var(--accent);color:var(--accent-text)}.outline-secondary strong,.outline-secondary small{display:block}.outline-secondary strong{color:var(--text);font-size:14px;font-weight:600}.outline-secondary small{color:var(--muted);margin-top:2px;font-size:13px}.outline-disclosure{display:none}.study-card{border:1px solid var(--line);background:var(--card);border-radius:10px;flex-direction:column;min-width:0;display:flex;overflow:clip}.card-nav{border-bottom:1px solid var(--line);background:var(--surface);justify-content:space-between;align-items:center;gap:20px;padding:12px 32px;display:flex}.study-card__body{flex-direction:column;flex:1;gap:28px;padding:32px 40px;display:flex}.card-footer{border-top:1px solid var(--line);align-items:center;gap:16px;padding:16px 40px;display:flex}.card-footer>span{min-width:0;color:var(--muted);text-align:center;text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;overflow:hidden}.card-footer .button{min-width:104px}.card-heading h2{max-width:900px;color:var(--text);letter-spacing:-.01em;text-wrap:balance;margin:0 0 10px;font-size:30px;font-weight:600;line-height:1.2}.card-heading p{max-width:720px;color:var(--muted);text-wrap:pretty;margin:0;font-size:18px;line-height:1.55}.walkthrough{border:1px solid var(--line);background:var(--tint-2);border-radius:10px;padding:24px}.walkthrough__intro{justify-content:space-between;align-items:start;gap:20px;display:flex}.walkthrough__intro h3{color:var(--text);margin:0;font-size:19px;line-height:1.3}.walkthrough__intro p{max-width:600px;color:var(--muted);margin:7px 0 0;font-size:15px;line-height:1.5}.walkthrough__link{flex:none;justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.walkthrough__link:hover{color:var(--on-accent)}.walkthrough__checks{border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:22px;padding-top:18px;display:grid}.walkthrough__checks h4{color:var(--text);margin:0 0 8px;font-size:14px}.walkthrough__checks ul{color:var(--text);margin:0;padding-left:20px;font-size:14px;line-height:1.55}.walkthrough__checks li+li{margin-top:6px}.card-learning{align-items:start;gap:32px;display:grid}.card-learning.has-trap{grid-template-columns:minmax(0,1fr) 280px}.key-points ul{margin:0;padding:0;list-style:none}.key-points li+li{margin-top:12px}.key-points li{color:var(--text);padding-left:20px;font-size:17px;line-height:1.55;position:relative}.key-points li:before{content:"";background:var(--accent);width:6px;height:6px;position:absolute;top:.65em;left:0}.exam-trap{background:var(--trap-bg);border-radius:8px;padding:16px 18px}.exam-trap .section-label{color:var(--trap-label)}.exam-trap p{color:var(--text);margin:8px 0 0;font-size:15px;line-height:1.55}.field-note{border-left:3px solid var(--accent);background:var(--tint);border-radius:0 8px 8px 0;padding:16px 18px}.field-note .section-label{color:var(--accent-text)}.field-note p{color:var(--text);margin:8px 0 0;font-size:15px;line-height:1.55}.comparison-table{margin-top:12px}.comparison-row{grid-template-columns:190px repeat(2,minmax(0,1fr));display:grid}.comparison-row>*{border-top:1px solid var(--line);color:var(--text);padding:12px;font-size:15px;line-height:1.45}.comparison-row [role=rowheader]{font-weight:600}.comparison-row [role=cell] small{display:none}.comparison-head{background:var(--surface)}.comparison-head>*{color:var(--text);border-top:0;padding:10px 12px;font-weight:600}.terminal{margin:0}.terminal__caption{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:6px 16px;display:flex}.terminal__caption span{color:var(--muted);font-size:13px}.terminal__screen{border:1px solid var(--line);background:var(--term-bg);border-radius:8px;margin-top:12px;padding:6px 0}.terminal__entry+.terminal__entry{border-top:1px solid var(--term-line)}.terminal pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font:14px/1.7 JetBrains Mono,ui-monospace,Cascadia Mono,Consolas,monospace}.terminal__command{align-items:flex-start;gap:12px;padding:10px 12px 10px 16px;display:flex}.terminal__command pre{min-width:0;color:var(--term-text);flex:1}.terminal__prompt{color:var(--term-prompt);-webkit-user-select:none;user-select:none}.terminal__copy{border:1px solid var(--term-line);color:var(--term-dim);cursor:pointer;background:0 0;border-radius:6px;flex:none;padding:3px 10px;font-size:12px}.terminal__copy:hover{color:var(--term-text);border-color:var(--term-dim)}.terminal__copy:focus-visible{outline:2px solid var(--term-prompt);outline-offset:2px}.terminal__output{color:var(--term-dim);padding:0 16px 12px}.terminal__note{color:var(--muted);margin:10px 0 0;font-size:14px;line-height:1.5}.sources{border-top:1px solid var(--line);padding-top:20px}.sources>div{flex-wrap:wrap;gap:6px 24px;margin-top:10px;display:flex}.sources a{font-size:14px}.check-panel{border:1px solid var(--line);border-radius:10px;grid-column:1/-1;padding:48px 56px 52px;scroll-margin-top:88px}.question-panel{grid-template-columns:minmax(0,5fr) minmax(0,6fr);grid-template-areas:"copy answer""feedback answer";align-items:start;gap:0 56px;display:grid}.question-copy{grid-area:copy}.question-copy h2{color:var(--text);text-wrap:pretty;margin:18px 0 0;font-size:21px;font-weight:600;line-height:1.5}.answer-area{grid-area:answer;gap:24px;display:grid}.answer-options{gap:12px;display:grid}.answer-option{border:1px solid var(--line-strong);width:100%;min-height:62px;color:var(--text);text-align:left;cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:14px;padding:12px 16px;display:flex}.answer-option:disabled{opacity:1;cursor:default}.answer-option.selected{border-color:var(--accent);background:var(--tint-2)}.answer-option.correct{border-color:var(--accent);background:var(--tint)}.answer-option.wrong{border-color:var(--danger);background:var(--danger-tint)}.answer-option.other{border-color:var(--line);color:var(--muted)}.option-badge{border:1px solid var(--line-strong);width:28px;height:28px;color:var(--muted);border-radius:50%;flex:0 0 28px;place-items:center;font-size:13px;font-weight:600;display:grid}.selected .option-badge,.correct .option-badge{border-color:var(--accent);color:var(--on-accent);background:var(--accent)}.wrong .option-badge{border-color:var(--danger);color:var(--on-accent);background:var(--danger)}.option-text{flex:1;font-size:17px;line-height:1.5}.option-text small{float:right;color:var(--accent-text);margin-left:12px;font-size:13px;font-weight:700}.wrong .option-text small{color:var(--danger)}.question-action{align-items:center;gap:16px;min-height:48px;display:flex}.question-action .button{min-width:180px}.question-action>span{color:var(--muted);font-size:14px}.question-action .passed{color:var(--accent-text);font-size:16px}.answer-feedback{border-top:1px solid var(--line);grid-area:feedback;margin-top:22px;padding-top:20px}.feedback-title{align-items:center;gap:12px;display:flex}.feedback-title>span{width:24px;height:24px;color:var(--on-accent);background:var(--danger);border-radius:50%;place-items:center;font-size:13px;font-weight:800;display:grid}.answer-feedback.correct .feedback-title>span{background:var(--accent)}.feedback-title strong{color:var(--danger);font-size:17px}.answer-feedback.correct .feedback-title strong{color:var(--accent-text)}.answer-feedback>p{color:var(--muted);margin:12px 0 0;font-size:17px;line-height:1.6}.review-links{flex-wrap:wrap;gap:7px 14px;margin-top:14px;font-size:14px;display:flex}.review-links strong{width:100%;color:var(--text)}.review-links button{color:var(--accent-text);cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.practice-prompt{background:var(--tint);border-radius:12px;grid-column:1/-1;justify-content:space-between;align-items:center;gap:24px;padding:20px 24px 20px 28px;display:flex}.practice-prompt div{flex-direction:column;gap:4px;display:flex}.practice-prompt strong{color:var(--text);font-size:17px}.practice-prompt span{color:var(--muted);font-size:15px}.mobile-card-nav{display:none}.practice-view{width:min(100%,1440px);margin:auto;padding:28px 40px 48px}.practice-header{justify-content:space-between;align-items:center;gap:24px;min-height:66px;display:flex}.practice-header p{color:var(--accent-text);margin:0 0 4px;font-size:14px}.practice-header h1{color:var(--text);margin:0;font-size:28px}.practice-header>div:last-child{align-items:center;gap:18px;display:flex}.practice-header span{color:var(--muted);font-size:14px}.practice-progress{margin-top:24px}.practice-progress__header{justify-content:space-between;margin-bottom:10px;display:flex}.practice-progress__header strong{color:var(--text);font-size:15px}.practice-progress__header span{color:var(--muted);font-size:14px}.practice-progress ol{gap:6px;margin:0;padding:0;list-style:none;display:flex}.practice-progress li{flex:1 1 0}.practice-progress button{border:1px solid var(--line-strong);width:100%;height:36px;color:var(--muted);background:0 0;border-radius:6px;font-size:14px;font-weight:600}.practice-progress button.right{border-color:var(--accent);color:var(--accent-text);background:var(--tint)}.practice-progress button.wrong{border-color:var(--danger);color:var(--danger);background:var(--danger-tint)}.practice-progress button.current{border-color:var(--accent);color:var(--on-accent);background:var(--accent)}.practice-question{border:1px solid var(--line);border-radius:10px;margin-top:24px;padding:40px 48px 44px}.results-grid{grid-template-columns:380px minmax(0,1fr);align-items:start;gap:40px;margin-top:32px;display:grid}.results-summary{border:1px solid var(--line);border-radius:10px;padding:32px}.score{color:var(--text);margin-top:15px;font-size:48px;font-weight:800;line-height:1;display:block}.score+p{color:var(--muted);margin:8px 0 24px}.summary-copy{color:var(--muted);line-height:1.6}.results-summary>.button{width:100%;margin-top:10px}.next-set{border-top:1px solid var(--line);gap:5px;margin-top:24px;padding-top:20px;display:grid}.next-set span{color:var(--muted);font-size:13px}.next-set strong{color:var(--accent-text)}.result-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.result-list>li{border:1px solid var(--line);border-radius:10px;grid-template-columns:28px 1fr;gap:14px;padding:18px 22px;display:grid}.result-badge{width:28px;height:28px;color:var(--on-accent);border-radius:50%;place-items:center;font-weight:800;display:grid}.result-badge.right{background:var(--accent)}.result-badge.wrong{background:var(--danger)}.result-status{color:var(--accent-text);font-size:14px}.result-status.wrong{color:var(--danger)}.result-list p{color:var(--text);margin:7px 0 0;line-height:1.5}.result-list dl{gap:8px;margin:14px 0 0;display:grid}.result-list dl div{grid-template-columns:110px 1fr;gap:12px;display:grid}.result-list dt{color:var(--muted);font-size:13px}.result-list dd{color:var(--danger);margin:0;font-size:14px}.result-list dl div:last-child dd{color:var(--accent-text);font-weight:600}@media (width<=1120px){.browse-body{grid-template-columns:240px minmax(0,1fr);gap:28px}}@media (width<=899px){.app-bar{height:56px}.app-bar__inner{padding:0 16px}.app-bar__divider,.cert-switcher__name,.save-note,.nav-link,.theme-toggle__label{display:none}.brand{margin-right:12px}.cert-menu{width:min(300px,100vw - 32px)}.theme-toggle{justify-content:center;min-width:40px;font-size:16px}.browse-hero__inner{padding:20px 16px 0}.browse-hero h1{font-size:21px}.browse-hero__progress{margin-top:6px}.area-tabs{gap:22px}.browse-body{padding:24px 16px 40px;display:block}.topic-nav{margin-bottom:20px;position:static}.topic-panel>header{padding:20px}.topic-panel h2{font-size:22px}.set-row{grid-template-columns:30px minmax(0,1fr);gap:10px 14px;padding:18px 20px}.set-info p{margin-bottom:8px}.set-row>.button{grid-column:2;width:100%}.learn-view{padding:16px 16px 96px;display:block}.outline-cell{contain:none}.set-outline{max-height:none;padding:0;position:static;overflow:visible}.set-outline h1{margin-top:8px;font-size:22px}.outline-meta{display:none}.outline-progress{height:3px}.outline-count{margin:6px 0 0}.outline-disclosure{border:1px solid var(--line-strong);background:var(--bg);width:100%;height:48px;color:var(--text);text-align:left;border-radius:10px;justify-content:space-between;align-items:center;gap:10px;margin:16px 0;padding:0 14px;font-weight:600;display:flex}.outline-disclosure span:first-child{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.outline-list{border:1px solid var(--line);background:var(--surface);border-radius:12px;margin-bottom:18px;padding:8px;display:none}.outline-list.expanded{display:block}.card-nav{padding:10px 18px}.card-footer{display:none}.study-card__body{gap:24px;padding:20px 18px 24px}.card-heading h2{font-size:24px;line-height:1.25}.card-heading p{font-size:16px}.walkthrough{padding:18px}.walkthrough__intro{display:grid}.walkthrough__link{text-align:center;width:100%}.walkthrough__checks{grid-template-columns:1fr;gap:16px}.card-learning.has-trap{grid-template-columns:minmax(0,1fr);gap:24px}.key-points li{font-size:16px;line-height:1.55}.comparison-row{border-top:1px solid var(--line);padding:12px 0;display:block}.comparison-head{display:none}.comparison-row>*{border-top:0;padding:2px 0;display:block}.comparison-row [role=rowheader]{margin-bottom:4px;font-size:15px}.comparison-row [role=cell] small{color:var(--muted);margin-right:6px;font-size:13px;display:inline}.check-panel{margin-top:20px;padding:20px 18px}.question-panel{grid-template-columns:1fr;grid-template-areas:"copy""answer""feedback";gap:20px;display:grid}.question-copy h2{margin-top:12px;font-size:18px}.answer-area{gap:18px}.answer-option{min-height:54px;padding:11px 13px}.option-text{font-size:16px;line-height:1.45}.option-text small{float:none;margin:3px 0 0;display:block}.question-action{display:grid}.question-action .button{width:100%}.question-action>span{text-align:center}.answer-feedback{margin:0}.answer-feedback>p{font-size:16px}.practice-prompt{flex-direction:column;align-items:stretch;margin-top:16px;padding:20px}.practice-prompt .button{width:100%}.mobile-card-nav{z-index:30;border-top:1px solid var(--line);background:var(--bg);grid-template-columns:1fr 2fr;gap:10px;padding:12px 16px 20px;display:grid;position:fixed;inset:auto 0 0}.mobile-card-nav .button{min-height:48px}.practice-view{padding:18px 16px 96px}.practice-header{min-height:54px}.practice-header p{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;max-width:220px;overflow:hidden}.practice-header h1{font-size:22px}.practice-header span{display:none}.practice-progress{margin-top:18px}.practice-progress__header span{font-size:12px}.practice-progress button{padding:0}.practice-question{border:0;margin-top:20px;padding:0}.practice-question .question-action.is-fixed{z-index:35;border-top:1px solid var(--line);background:var(--bg);padding:12px 16px 16px;display:block;position:fixed;inset:auto 0 0}.practice-question .question-action.is-fixed>span{display:none}.results-grid{grid-template-columns:1fr;gap:24px}.results-summary{padding:24px 20px}.result-list>li{padding:16px}.result-list dl div{grid-template-columns:1fr;gap:2px}.practice-view.complete{padding-bottom:40px}}@media (width<=420px){.practice-progress__header{gap:12px}.practice-progress__header span{text-align:right}}.certification-list .set-row{cursor:default;grid-template-columns:80px minmax(0,1fr) auto}.certification-list{border:1px solid var(--line);border-radius:10px;overflow:hidden}@media (width<=640px){.certification-list .set-row{grid-template-columns:1fr}}.app-bar--home .app-bar__inner{max-width:1120px;padding:0 24px}.app-bar--home .brand{letter-spacing:-.01em}.app-bar--home .theme-toggle:hover{background:var(--hover)}.app-footer__inner{max-width:1120px;margin:auto}.app-footer--home{text-align:left;padding:24px}.app-footer--home .app-footer__inner{flex-wrap:wrap;justify-content:space-between;gap:8px 24px;display:flex}.home-view{flex-direction:column;gap:64px;width:min(100%,1120px);margin:0 auto;padding:64px 24px 72px;display:flex}.home-hero{grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr));align-items:center;gap:48px;display:grid}.home-intro{flex-direction:column;gap:16px;display:flex}.home-eyebrow{color:var(--secondary);letter-spacing:.08em;text-transform:uppercase;margin:0;font-size:12px;font-weight:700}.home-intro h1{letter-spacing:-.025em;text-wrap:balance;margin:0;font-size:clamp(32px,5vw,48px);font-weight:700;line-height:1.08}.home-intro>p:last-child{color:var(--muted);text-wrap:pretty;margin:0;font-size:18px;line-height:1.6}.home-section-label{color:var(--faint);letter-spacing:.08em;text-transform:uppercase;margin:0;font-size:13px;font-weight:700}.home-progress,.home-cert-card{border:1px solid var(--line);background:var(--card);border-radius:12px}.home-progress{flex-direction:column;justify-self:start;gap:16px;width:100%;max-width:400px;padding:24px;display:flex}.home-progress .home-section-label{font-size:11px}.home-empty-progress{flex-direction:column;gap:8px;display:flex}.home-empty-progress strong,.home-resume-title{font-size:17px;line-height:1.3}.home-empty-progress p{color:var(--muted);margin:0;font-size:14px;line-height:1.55}.home-progress-note{border-top:1px solid var(--line);color:var(--faint);margin:0;padding-top:12px;font-size:12px;line-height:1.5}.home-resume-detail,.home-progress-detail{flex-direction:column;gap:6px;display:flex}.home-resume-code,.home-cert-code{color:var(--accent-text);letter-spacing:.02em;font-size:14px;font-weight:700}.home-resume-code{font-size:13px}.home-resume-meta,.home-progress-detail>span{color:var(--faint);font-size:13px}.home-progress-detail>span{font-size:12px}.home-progress-track{background:var(--surface);border-radius:2px;height:4px;overflow:hidden}.home-progress-track span{border-radius:inherit;background:var(--accent);height:100%;display:block}.home-cta{text-align:center;border-radius:8px;padding:12px 20px;font-size:15px;font-weight:700;line-height:1.25;display:inline-block}.home-cta--primary{color:var(--on-accent);background:var(--accent)}.home-cta--secondary{border:1px solid var(--line);color:var(--text);padding:11px 20px}.home-continue{width:100%;padding:11px 16px;font-size:14px;text-decoration:none}.home-continue:hover{color:var(--on-accent);background:var(--accent-hover)}.home-certifications{flex-direction:column;gap:16px;display:flex}.home-cert-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:16px;display:grid}.home-cert-card{min-width:0;color:var(--text);flex-direction:column;gap:20px;padding:28px;text-decoration:none;display:flex}a.home-cert-card:hover{border-color:var(--accent);color:var(--text)}a.home-cert-card:hover .home-cta--primary{background:var(--accent-hover)}a.home-cert-card:hover .home-cta--secondary{background:var(--hover)}.home-cert-copy{flex-direction:column;gap:6px;display:flex}.home-code-row{flex-wrap:wrap;align-items:center;gap:6px 10px;display:flex}.home-cert-card h3{letter-spacing:-.015em;margin:0;font-size:24px;font-weight:700;line-height:1.2}.home-cert-copy p{color:var(--muted);margin:0;font-size:15px;line-height:1.55}.home-chip{color:var(--trap-label);background:var(--trap-bg);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;border-radius:4px;padding:3px 8px;font-size:11px;font-weight:700}.home-cert-stats{color:var(--faint);flex-wrap:wrap;gap:6px 16px;font-size:13px;display:flex}.home-cert-progress{color:var(--muted);flex-direction:column;gap:8px;font-size:13px;display:flex}.home-cert-action{margin-top:auto;display:flex}.home-cert-card--planned{color:var(--muted)}.home-planned{color:var(--faint);margin-top:auto;font-size:13px}.home-how{border-top:1px solid var(--line);flex-direction:column;gap:20px;padding-top:40px;display:flex}.home-how ol{grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:28px;margin:0;padding:0;list-style:none;display:grid}.home-how li{flex-direction:column;gap:8px;display:flex}.home-step-label{color:var(--secondary);letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700}.home-how h3{letter-spacing:-.01em;margin:0;font-size:17px;font-weight:700}.home-how p{color:var(--muted);text-wrap:pretty;margin:0;font-size:14px;line-height:1.6}@media (width<=899px){.app-bar--home .app-bar__inner{padding:0 16px}.home-view{gap:48px;padding:40px 16px 56px}.home-hero{gap:32px}.home-progress{max-width:none}.app-footer--home{padding:24px 16px}}
