:root{color:#1c1d1f;font-synthesis:none;text-rendering:optimizelegibility;--ink:#1c1d1f;--ink-soft:#2d2f31;--muted:#6a6f73;--line:#d1d7dc;--surface:#fff;--surface-soft:#f7f9fa;--purple-800:#4c1d95;--purple-700:#5624d0;--purple-600:#6d28d9;--purple-100:#ede9fe;--purple-50:#f7f5ff;--navy:#1c2434;--success:#1b6e3b;--success-soft:#edf8f1;--danger:#b3261e;--danger-soft:#fff1f0;--shadow-sm:0 2px 8px #1c1d1f14;--shadow-md:0 8px 24px #1c1d1f1f;--shadow-lg:0 18px 50px #1c1d1f24;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;background:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;min-height:100vh;color:var(--ink);background:#fff;margin:0}body,button,select,input{font:inherit}a{color:inherit}button,select,a{-webkit-tap-highlight-color:transparent}button,select,input{min-height:44px}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible,.choice:focus-within{outline-offset:3px;outline:3px solid #a78bfa}svg{display:block}.shell{width:min(100% - 32px,1184px);margin-inline:auto}.site-page{min-height:100vh}.site-header{z-index:50;color:var(--ink);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff7;border-bottom:1px solid #e4e7eb;position:sticky;top:0;box-shadow:0 2px 8px #1c1d1f0f}.site-header-compact{position:relative}.site-header-inner{align-items:center;gap:14px;width:min(100% - 28px,1340px);min-height:68px;margin-inline:auto;display:flex}.brand{flex:none;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand-mark{color:#fff;background:linear-gradient(145deg, var(--purple-700), #7c3aed);border-radius:9px;place-items:center;width:38px;height:38px;display:grid;box-shadow:0 8px 18px #5624d03d}.brand-icon{width:21px;height:21px}.brand-copy{gap:0;display:grid}.brand-copy strong{letter-spacing:-.025em;font-size:.98rem}.brand-copy span{color:var(--muted);font-size:.68rem;display:none}.explore-link{color:#3e4143;font-size:.84rem;font-weight:650;text-decoration:none;display:none}.explore-link:hover{color:var(--purple-700)}.header-search{flex:520px;min-width:180px;max-width:680px;display:none;position:relative}.header-search svg{color:#4f5559;pointer-events:none;width:18px;height:18px;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.header-search input{width:100%;height:46px;color:var(--ink);background:#fff;border:1px solid #2d2f31;border-radius:999px;padding:0 16px 0 42px}.header-search input::placeholder{color:#6a6f73}.site-nav{align-items:center;gap:16px;margin-left:auto;display:flex}.site-nav a{color:#3e4143;white-space:nowrap;font-size:.82rem;font-weight:650;text-decoration:none}.site-nav a:hover{color:var(--purple-700)}.site-nav a:nth-child(2){display:none}.hero-section{background:#fff;padding-block:24px 30px}.hero-marketplace{background:radial-gradient(circle at 88% 22%,#ffffff3d,#0000 26%),linear-gradient(120deg,#efe8ff 0%,#ddd0ff 48%,#c6b3ff 100%);border-radius:0;gap:28px;padding:30px 24px;display:grid;overflow:hidden}.hero-copy{align-self:center;max-width:680px}.hero-badge,.section-kicker,.course-intro-code,.course-card-eyebrow{letter-spacing:.055em;text-transform:uppercase;align-items:center;width:-moz-fit-content;width:fit-content;font-size:.73rem;font-weight:800;line-height:1;display:inline-flex}.hero-badge{color:#4c1d95}.hero-copy h1{color:#171719;letter-spacing:-.045em;max-width:760px;margin:14px 0 18px;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.45rem,10vw,4.75rem);font-weight:700;line-height:.98}.hero-copy>p{color:#3e4143;max-width:690px;margin:0;font-size:1rem;line-height:1.7}.hero-actions{flex-direction:column;align-items:stretch;gap:10px;margin-top:26px;display:flex}.button{border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:9px;min-height:46px;padding:0 17px;font-size:.9rem;font-weight:750;line-height:1;text-decoration:none;transition:transform .14s,background .14s,border-color .14s,box-shadow .14s;display:inline-flex}.button svg{width:17px;height:17px}.button:hover:not(:disabled){transform:translateY(-1px)}.button:disabled{opacity:.45;cursor:not-allowed;transform:none}.button-primary{color:#fff;background:var(--purple-700);border-color:var(--purple-700)}.button-primary:hover:not(:disabled){background:#401b9c;border-color:#401b9c}.button-secondary{color:#1f2021;background:#fff;border-color:#2d2f31}.button-secondary:hover:not(:disabled){background:#f7f9fa}.button-ghost{color:#45494d;background:0 0;border-color:#d1d7dc}.button-ghost:hover:not(:disabled){background:#f7f9fa;border-color:#8a9095}.button-outline{color:#1f2021;background:#ffffff8c;border-color:#2d2f31}.button-outline:hover{background:#fff}.button-large{min-height:50px;padding-inline:20px}.hero-preview{background:#fff;border:1px solid #1c1d1f2e;place-self:center;width:min(100%,430px);padding:22px;position:relative;transform:rotate(1.5deg);box-shadow:0 22px 54px #341c692e}.preview-topline{color:#6a6f73;text-transform:uppercase;letter-spacing:.06em;justify-content:space-between;gap:10px;font-size:.72rem;font-weight:750;display:flex}.preview-topline strong{color:var(--purple-700)}.preview-question{margin:24px 0 17px;font-size:1.15rem;font-weight:750;line-height:1.45}.preview-choice{border:2px solid var(--purple-700);background:var(--purple-50);align-items:center;gap:11px;min-height:50px;padding:10px 12px;display:flex}.preview-choice+.preview-choice{margin-top:8px}.preview-choice span{color:#fff;background:var(--purple-700);border-radius:999px;place-items:center;width:28px;height:28px;font-size:.75rem;font-weight:800;display:grid}.preview-choice strong{font-size:.86rem}.preview-choice-muted{background:#fff;border:1px solid #d1d7dc}.preview-choice-muted span{color:#3e4143;background:#f2f3f5}.preview-progress{color:#6a6f73;justify-content:space-between;gap:10px;margin-top:20px;font-size:.67rem;font-weight:700;display:flex}.preview-progress-bar{background:#e9e7ee;border-radius:999px;height:6px;margin-top:8px;overflow:hidden}.preview-progress-bar span{background:var(--purple-700);width:36%;height:100%;display:block}.trust-strip{background:#f7f9fa;border-block:1px solid #e4e7eb}.trust-grid{gap:0;display:grid}.trust-grid>div{border-bottom:1px solid #e4e7eb;grid-template-columns:auto 1fr;align-items:center;gap:12px;padding:18px 0;display:grid}.trust-grid>div:last-child{border-bottom:0}.trust-grid svg{width:23px;height:23px;color:var(--purple-700)}.trust-grid span{color:#4f5559;font-size:.82rem;line-height:1.45}.trust-grid strong{color:#2d2f31}.section{padding-block:64px}.marketplace-section{background:#fff}.marketplace-heading{margin-bottom:22px}.section-kicker{color:var(--purple-700)}.marketplace-heading h2,.section-heading h2{color:#1c1d1f;letter-spacing:-.035em;margin:10px 0;font-family:Georgia,Times New Roman,serif;font-size:clamp(2rem,7vw,3rem);line-height:1.08}.marketplace-heading p,.section-heading p{max-width:720px;color:var(--muted);margin:0;line-height:1.65}.library-search{align-items:center;max-width:760px;margin-bottom:14px;display:flex;position:relative}.library-search>svg{color:#4f5559;pointer-events:none;width:19px;height:19px;position:absolute;left:15px}.library-search input{width:100%;min-height:50px;color:var(--ink);background:#fff;border:1px solid #2d2f31;border-radius:0;padding:0 78px 0 44px}.library-search button{min-height:34px;color:var(--purple-700);cursor:pointer;background:0 0;border:0;padding:0 10px;font-size:.78rem;font-weight:750;position:absolute;right:8px}.library-result-row{flex-direction:column;gap:4px;margin:18px 0 22px;display:flex}.library-result-row strong{font-size:.9rem}.library-result-row span{color:var(--muted);font-size:.8rem}.courses-grid{gap:24px;display:grid}.course-card{min-width:0;box-shadow:var(--shadow-sm);background:#fff;border:1px solid #d1d7dc;flex-direction:column;transition:transform .15s,box-shadow .15s;display:flex;overflow:hidden}.course-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.course-card-cover{isolation:isolate;color:#fff;background:linear-gradient(135deg,#32115d,#5624d0 52%,#8b5cf6);flex-direction:column;justify-content:flex-end;align-items:flex-start;gap:6px;min-height:190px;padding:20px;text-decoration:none;display:flex;position:relative;overflow:hidden}.course-cover-pattern{z-index:-1;position:absolute;inset:0;overflow:hidden}.cover-orb{border:1px solid #ffffff38;border-radius:999px;position:absolute}.cover-orb-one{width:220px;height:220px;top:-60px;right:-50px}.cover-orb-two{background:#ffffff0f;width:130px;height:130px;top:30px;right:36px}.cover-grid{opacity:.22;background-image:linear-gradient(#ffffff24 1px,#0000 1px),linear-gradient(90deg,#ffffff24 1px,#0000 1px);background-size:32px 32px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#0000 15%,#000 70%);mask-image:linear-gradient(90deg,#0000 15%,#000 70%)}.course-cover-icon{background:#ffffff1c;border:1px solid #ffffff47;place-items:center;width:45px;height:45px;margin-bottom:auto;display:grid}.course-cover-icon svg{width:24px;height:24px}.course-cover-code{letter-spacing:-.04em;font-family:Georgia,Times New Roman,serif;font-size:2.15rem;font-weight:700;line-height:1}.course-cover-type{color:#eee7ff;font-size:.76rem;font-weight:700}.course-card-body{flex-direction:column;flex:auto;padding:18px 18px 20px;display:flex}.course-card-eyebrow{color:#6a6f73;font-size:.65rem}.course-card h3{letter-spacing:-.02em;margin:8px 0;font-size:1.1rem;line-height:1.35}.course-card h3 a{text-decoration:none}.course-card h3 a:hover{color:var(--purple-700)}.course-card-body>p{color:#565b5f;margin:0;font-size:.84rem;line-height:1.55}.course-facts{color:#5f6368;flex-wrap:wrap;gap:7px 12px;margin:16px 0 18px;font-size:.72rem;display:flex}.course-facts span{align-items:center;gap:4px;display:inline-flex}.course-facts strong{color:#2d2f31}.course-facts svg{width:13px;height:13px;color:var(--purple-700)}.course-link{min-height:44px;color:var(--purple-700);border:1px solid var(--purple-700);justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding:0 14px;font-size:.82rem;font-weight:750;text-decoration:none;display:inline-flex}.course-link:hover{color:#fff;background:var(--purple-700)}.course-link svg{width:16px;height:16px}.empty-library{background:#f7f9fa;border:1px solid #d1d7dc;max-width:760px;padding:30px}.empty-library h3{margin:0 0 7px}.empty-library p{color:var(--muted);margin:0 0 18px}.how-section{background:#f7f9fa;border-top:1px solid #e4e7eb}.how-layout{gap:34px;display:grid}.how-heading{margin:0}.steps-list{border-top:1px solid #d1d7dc}.step-row{border-bottom:1px solid #d1d7dc;grid-template-columns:auto 1fr;gap:15px;padding:22px 0;display:grid}.step-number{color:#fff;background:var(--purple-700);border-radius:999px;place-items:center;width:34px;height:34px;font-size:.82rem;font-weight:800;display:grid}.step-row h3{margin:2px 0 5px;font-size:1rem}.step-row p{color:var(--muted);margin:0;font-size:.86rem;line-height:1.6}.site-footer{color:#d1d7dc;background:#1c1d1f;padding-block:34px}.site-footer-inner{width:min(100% - 32px,1184px);margin-inline:auto}.footer-topline{justify-content:space-between;align-items:center;gap:20px;display:flex}.footer-brand{color:#fff;align-items:center;gap:9px;text-decoration:none;display:inline-flex}.footer-brand-mark{color:#fff;background:var(--purple-700);place-items:center;width:34px;height:34px;display:grid}.footer-brand-mark svg{width:19px;height:19px}.footer-brand strong{font-size:.92rem}.footer-nav{align-items:center;gap:20px;display:none}.footer-nav a{color:#d1d7dc;font-size:.78rem;font-weight:650;text-decoration:none}.footer-nav a:hover{color:#fff}.footer-divider{background:#3e4143;height:1px;margin:22px 0}.disclaimer{color:#a7adb2;max-width:900px;margin:0;font-size:.72rem;line-height:1.65}.quiz-site-page{background:#f7f9fa}.course-landing-hero{color:#fff;background:linear-gradient(118deg,#1c1d1f,#25233a 60%,#33205f);padding-block:22px 34px}.course-breadcrumb{color:#6a6f73;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px;font-size:.76rem;font-weight:650;display:flex}.course-breadcrumb a{color:#4d5256;align-items:center;gap:5px;text-decoration:none;display:inline-flex}.course-breadcrumb a:hover{color:var(--purple-700)}.course-breadcrumb svg{width:13px;height:13px}.course-breadcrumb-light{color:#aba9b4}.course-breadcrumb-light a{color:#d7d3e4}.course-breadcrumb-light a:hover{color:#fff}.course-intro{gap:25px;display:grid}.course-intro-code{color:#d8c8ff}.course-intro h1{letter-spacing:-.045em;max-width:850px;margin:10px 0 14px;font-family:Georgia,Times New Roman,serif;font-size:clamp(2rem,8vw,3.6rem);line-height:1.03}.course-intro p{color:#d0cdd7;max-width:800px;margin:0;line-height:1.68}.course-hero-features{color:#d8d4df;flex-wrap:wrap;gap:8px 16px;margin-top:20px;font-size:.76rem;display:flex}.course-hero-features span{align-items:center;gap:5px;display:inline-flex}.course-hero-features strong{color:#fff}.course-hero-features svg{color:#c7aeff;width:14px;height:14px}.course-intro-stats{grid-template-columns:1fr 1fr;gap:8px;display:grid}.course-intro-stats>div{background:#ffffff0f;border:1px solid #ffffff29;gap:3px;padding:13px 12px;display:grid}.course-intro-stats>div:first-child{grid-column:1/-1}.course-intro-stats strong{letter-spacing:-.02em;overflow-wrap:anywhere;font-size:1rem}.course-intro-stats span{color:#aaa6b2;text-transform:uppercase;letter-spacing:.045em;font-size:.66rem}.course-practice-area{padding-block:26px 64px}.quiz-card{box-shadow:var(--shadow-md);background:#fff;border:1px solid #d1d7dc;overflow:hidden}.quiz-card-header{border-bottom:1px solid #e4e7eb;gap:20px;padding:20px;display:grid}.kicker{color:#6a6f73;letter-spacing:.055em;text-transform:uppercase;margin:0 0 5px;font-size:.69rem;font-weight:800}.quiz-card-header h2{letter-spacing:-.025em;margin:0;font-family:Georgia,Times New Roman,serif;font-size:1.55rem}.quiz-controls{grid-template-columns:1fr 1fr;gap:9px;display:grid}.quiz-controls label{color:#565b5f;gap:5px;min-width:0;font-size:.71rem;font-weight:750;display:grid}.quiz-controls select{color:#1c1d1f;background:#fff;border:1px solid #8a9095;border-radius:0;width:100%;padding:0 30px 0 10px}.quiz-controls .button{grid-column:1/-1}.quiz-progress-copy{color:#6a6f73;justify-content:space-between;align-items:center;gap:14px;padding:17px 20px 9px;font-size:.75rem;display:flex}.progress-track{appearance:none;background:#e4e7eb;border:0;border-radius:99px;width:calc(100% - 40px);height:7px;margin:0 20px;display:block;overflow:hidden}.progress-track::-webkit-progress-bar{background:#e4e7eb;border-radius:99px}.progress-track::-webkit-progress-value{background:var(--purple-700);border-radius:99px}.progress-track::-moz-progress-bar{background:var(--purple-700);border-radius:99px}.question-panel{padding:28px 20px 14px}.question-meta{color:#6a6f73;flex-wrap:wrap;gap:8px;margin-bottom:13px;font-size:.73rem;font-weight:700;display:flex}.multi-badge{color:var(--purple-700)}.question-text{color:#1c1d1f;letter-spacing:-.018em;white-space:pre-wrap;margin:0 0 22px;font-size:clamp(1.17rem,4.8vw,1.5rem);line-height:1.48}.choices-fieldset{border:0;gap:10px;margin:0;padding:0;display:grid}.choice{cursor:pointer;background:#fff;border:1px solid #d1d7dc;grid-template-columns:auto auto 1fr;align-items:center;gap:10px;min-height:60px;padding:11px 12px;transition:border-color .13s,background .13s,box-shadow .13s;display:grid}.choice:hover{background:#fbfbfc;border-color:#8a9095}.choice.selected{border:2px solid var(--purple-700);background:var(--purple-50);padding:10px 11px;box-shadow:0 4px 13px #5624d014}.choice input{width:17px;height:17px;accent-color:var(--purple-700);margin:0}.choice-letter{color:#3e4143;border:1px solid #b7bdc3;border-radius:999px;place-items:center;width:30px;height:30px;font-size:.78rem;font-weight:820;display:grid}.choice-text{white-space:pre-wrap;min-width:0;line-height:1.45}.quiz-nav{justify-content:space-between;gap:10px;padding:18px 20px 20px;display:flex}.quiz-nav .button{flex:1}.results-hero{text-align:center;justify-items:center;gap:20px;padding:30px 20px 22px;display:grid}.score-ring{background:#fff;border-radius:999px;place-items:center;width:136px;height:136px;display:grid;position:relative;box-shadow:0 10px 25px #38206414}.score-ring-svg{width:100%;height:100%;position:absolute;inset:0;transform:rotate(-90deg)}.score-ring-track,.score-ring-value{fill:none;stroke-width:9px}.score-ring-track{stroke:#ece9f5}.score-ring-value{stroke:var(--purple-700);stroke-linecap:round;transition:stroke-dashoffset .36s}.score-ring-copy{z-index:1;justify-items:center;display:grid;position:relative}.score-ring-copy strong{letter-spacing:-.05em;font-size:2rem;line-height:1}.score-ring-copy span{color:#6a6f73;margin-top:4px;font-size:.75rem}.results-summary{max-width:550px}.results-label{color:var(--purple-700);text-transform:uppercase;letter-spacing:.055em;font-size:.72rem;font-weight:800}.results-summary h3{letter-spacing:-.025em;margin:8px 0 6px;font-size:1.35rem}.results-summary p{color:#6a6f73;margin:0;line-height:1.6}.breakdown-grid{gap:8px;padding:0 20px 10px;display:grid}.breakdown-card{background:#f7f9fa;border:1px solid #e0e3e6;justify-content:space-between;align-items:center;gap:14px;padding:13px 14px;display:flex}.breakdown-card span{color:#5f6368;font-size:.78rem}.breakdown-card strong{color:#1c1d1f;font-size:1.05rem}.result-actions{border-bottom:1px solid #e4e7eb;gap:8px;padding:17px 20px 20px;display:grid}.review-list{padding-inline:20px}.review-item{border-bottom:1px solid #e7eaed;padding-block:25px}.review-item:last-child{border-bottom:0}.review-heading{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.status{border-radius:999px;align-items:center;min-height:27px;padding:0 9px;font-size:.7rem;font-weight:800;display:inline-flex}.status-correct{color:#176835;background:#e9f7ee}.status-incorrect{color:#aa2c30;background:#fff0f0}.review-number{color:#7a7f84;font-size:.72rem}.tag{color:#686d72;border:1px solid #d8dde1;border-radius:999px;padding:4px 8px;font-size:.68rem;display:inline-flex}.review-item h3{white-space:pre-wrap;margin:12px 0 14px;font-size:1rem;line-height:1.5}.review-choices{gap:7px;display:grid}.review-choice{white-space:pre-wrap;border:1px solid #dfe3e6;justify-content:space-between;gap:12px;padding:10px 11px;font-size:.86rem;line-height:1.45;display:flex}.review-correct{background:var(--success-soft);border-color:#87be97}.review-wrong{background:var(--danger-soft);border-color:#da9395}.choice-note{color:#565b5f;flex:none;align-self:start;font-size:.68rem;font-weight:800}.explanation{background:#fff6f6;border-left:4px solid #bd3438;margin-top:13px;padding:13px 14px}.explanation strong{color:#9c2b2f;font-size:.8rem}.explanation p{color:#5d6266;margin:5px 0 0;font-size:.86rem;line-height:1.6}.back-home-strip{background:#fff;border:1px solid #d1d7dc;gap:14px;margin-top:18px;padding:18px;display:grid}.back-home-strip>div{gap:3px;display:grid}.back-home-strip strong{font-size:.9rem}.back-home-strip span{color:#6a6f73;font-size:.78rem}.not-found{align-content:center;justify-items:start;min-height:65vh;padding-block:70px;display:grid}.not-found h1{letter-spacing:-.05em;max-width:620px;margin:18px 0 10px;font-family:Georgia,Times New Roman,serif;font-size:clamp(2rem,9vw,4rem);line-height:1}.not-found p{color:#657286;max-width:560px;margin:0 0 25px;line-height:1.65}.not-found .hero-badge{color:var(--purple-700)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (min-width:540px){.hero-actions{flex-direction:row;align-items:center}.library-result-row{flex-direction:row;justify-content:space-between;align-items:center;gap:20px}.course-intro-stats{grid-template-columns:repeat(3,1fr)}.course-intro-stats>div:first-child{grid-column:auto}.quiz-controls{grid-template-columns:1fr 1fr auto;align-items:end}.quiz-controls .button{grid-column:auto}.quiz-nav .button{flex:none}.result-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.back-home-strip{grid-template-columns:1fr auto;align-items:center}}@media (min-width:760px){.shell,.site-footer-inner{width:min(100% - 48px,1184px)}.site-header-inner{width:min(100% - 36px,1340px);min-height:72px}.brand-copy span{display:block}.explore-link{display:inline-flex}.header-search{display:block}.site-nav{margin-left:0}.site-nav a:nth-child(2){display:inline-flex}.hero-section{padding-block:32px 38px}.hero-marketplace{grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);align-items:center;gap:46px;padding:46px 44px}.hero-copy>p{font-size:1.06rem}.trust-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.trust-grid>div{border-bottom:0;border-right:1px solid #e4e7eb;padding:20px 24px}.trust-grid>div:first-child{padding-left:0}.trust-grid>div:last-child{border-right:0;padding-right:0}.section{padding-block:82px}.courses-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.how-layout{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start;gap:70px}.footer-nav{display:flex}.course-landing-hero{padding-block:28px 42px}.course-intro{grid-template-columns:minmax(0,1.45fr) minmax(320px,.55fr);align-items:end;gap:42px}.course-practice-area{padding-block:34px 80px}.quiz-card-header{grid-template-columns:minmax(0,1fr) auto;align-items:end;padding:24px 26px}.quiz-progress-copy{padding:20px 26px 10px}.progress-track{width:calc(100% - 52px);margin-inline:26px}.question-panel{padding:32px 26px 16px}.quiz-nav{padding:19px 26px 26px}.results-hero{text-align:left;grid-template-columns:auto 1fr;place-items:center start;padding:34px 26px 24px}.breakdown-grid{grid-template-columns:repeat(3,minmax(0,1fr));padding:0 26px 12px}.breakdown-card{align-content:start;gap:4px;display:grid}.breakdown-card strong{font-size:1.25rem}.result-actions{grid-template-columns:repeat(4,auto);justify-content:start;padding:20px 26px 24px}.review-list{padding-inline:26px}.back-home-strip{padding:21px 22px}}@media (min-width:1020px){.hero-marketplace{padding:58px 62px}.courses-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.quiz-card-header{padding:26px 30px}.question-panel{padding:36px 30px 18px}.quiz-progress-copy{padding-inline:30px}.progress-track{width:calc(100% - 60px);margin-inline:30px}.quiz-nav{padding:20px 30px 28px}.results-hero,.breakdown-grid,.result-actions,.review-list{padding-inline:30px}}@media (min-width:1260px){.courses-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.course-site-page{background:#f7f9fa}.course-study-nav{z-index:35;scrollbar-width:none;background:#fffffffa;border-bottom:1px solid #dfe3e6;position:sticky;top:0;overflow-x:auto;box-shadow:0 3px 12px #1c1d1f0d}.course-study-nav::-webkit-scrollbar{display:none}.course-study-nav-inner{align-items:stretch;gap:4px;min-width:max-content;display:flex}.course-study-nav a{color:#565b5f;white-space:nowrap;border-bottom:3px solid #0000;align-items:center;gap:7px;min-height:54px;padding:0 12px;font-size:.77rem;font-weight:750;text-decoration:none;display:inline-flex}.course-study-nav a:hover{color:var(--purple-700);background:#faf9ff}.course-study-nav a[aria-current=page]{color:var(--purple-700);border-bottom-color:var(--purple-700);background:#faf9ff}.course-study-nav svg{width:17px;height:17px}.course-overview-area{padding-block:38px 72px}.course-section-heading{max-width:760px;margin-bottom:24px}.course-section-heading h2,.course-study-guidance h2,.flashcard-toolbar h2{letter-spacing:-.035em;margin:8px 0 10px;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.85rem,7vw,2.7rem);line-height:1.08}.course-section-heading p{color:var(--muted);margin:0;line-height:1.65}.study-option-grid{gap:16px;display:grid}.study-option-card{min-height:100%;box-shadow:var(--shadow-sm);background:#fff;border:1px solid #d1d7dc;flex-direction:column;padding:22px;display:flex}.study-option-featured{border-top:4px solid var(--purple-700);padding-top:19px}.study-option-icon{color:#fff;background:var(--purple-700);place-items:center;width:46px;height:46px;margin-bottom:18px;display:grid}.study-option-icon svg{width:24px;height:24px}.study-option-label{color:var(--purple-700);letter-spacing:.055em;text-transform:uppercase;font-size:.69rem;font-weight:800}.study-option-card h3{letter-spacing:-.02em;margin:7px 0 8px;font-size:1.3rem}.study-option-card>p{color:#5f6368;margin:0;font-size:.88rem;line-height:1.6}.study-option-card ul{color:#4f5559;margin:18px 0 22px;padding-left:20px;font-size:.82rem;line-height:1.7}.study-option-card .button{margin-top:auto}.course-study-guidance{color:#fff;background:linear-gradient(120deg,#1c1d1f,#30205f);gap:24px;margin-top:34px;padding:26px 22px;display:grid}.course-study-guidance .section-kicker{color:#cdbbff}.course-study-guidance h2{margin-bottom:0}.course-study-guidance ol{gap:14px;margin:0;padding:0;list-style:none;display:grid}.course-study-guidance li{border-top:1px solid #ffffff29;gap:4px;padding:14px 0;display:grid}.course-study-guidance li:first-child{border-top:0}.course-study-guidance li strong{font-size:.9rem}.course-study-guidance li span{color:#c9c6d0;font-size:.8rem;line-height:1.55}.study-subpage-hero{background:#fff;border-bottom:1px solid #e4e7eb;padding-block:24px 32px}.study-subpage-hero-dark{color:#fff;background:linear-gradient(118deg,#1c1d1f,#25233a 60%,#33205f);border-bottom:0}.study-subpage-hero .course-breadcrumb{margin-bottom:18px}.study-subpage-hero h1{letter-spacing:-.045em;max-width:850px;margin:8px 0 12px;font-family:Georgia,Times New Roman,serif;font-size:clamp(2rem,9vw,3.45rem);line-height:1.02}.study-subpage-hero>.shell>p{color:#5f6368;max-width:790px;margin:0;line-height:1.7}.study-subpage-hero-dark>.shell>p{color:#d0cdd7}.notes-layout{gap:24px;padding-block:28px 72px;display:grid}.notes-sidebar{min-width:0}.notes-search{margin-bottom:14px;position:relative}.notes-search svg{color:#676c70;pointer-events:none;width:18px;height:18px;position:absolute;top:50%;left:13px;transform:translateY(-50%)}.notes-search input{background:#fff;border:1px solid #9aa0a5;width:100%;padding:0 12px 0 40px}.notes-sidebar nav{background:#fff;border:1px solid #dfe3e6;padding:16px;display:none}.notes-sidebar nav>strong{text-transform:uppercase;letter-spacing:.05em;margin-bottom:9px;font-size:.78rem;display:block}.notes-sidebar nav a{color:#565b5f;border-top:1px solid #eceef0;gap:2px;padding:9px 7px;font-size:.74rem;font-weight:750;text-decoration:none;display:grid}.notes-sidebar nav a span{color:#7a7f84;font-size:.68rem;font-weight:500;line-height:1.35}.notes-sidebar nav a:hover{color:var(--purple-700);background:#faf9ff}.notes-content{min-width:0}.notes-meta-row{color:#6a6f73;justify-content:space-between;align-items:center;gap:14px;min-height:44px;margin-bottom:12px;font-size:.76rem;display:flex}.notes-meta-row button{color:var(--purple-700);cursor:pointer;background:0 0;border:0;font-size:.76rem;font-weight:750}.notes-section{box-shadow:var(--shadow-sm);background:#fff;border:1px solid #d6dade;margin-bottom:20px;scroll-margin-top:84px;overflow:hidden}.notes-section>header{background:linear-gradient(135deg,#fbfaff,#fff);border-bottom:1px solid #e6e9eb;padding:22px 20px}.notes-section>header>span{color:var(--purple-700);text-transform:uppercase;letter-spacing:.055em;font-size:.7rem;font-weight:800}.notes-section>header h2{letter-spacing:-.03em;margin:7px 0 8px;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.5rem,5.5vw,2.15rem);line-height:1.15}.notes-section>header p{color:#5f6368;margin:0;font-size:.88rem;line-height:1.65}.note-groups{display:grid}.note-group{border-bottom:1px solid #eceef0;padding:20px}.note-group h3{letter-spacing:-.015em;margin:0 0 10px;font-size:1rem}.note-group ul,.exam-tips ul{color:#454a4e;margin:0;padding-left:20px;font-size:.86rem;line-height:1.72}.note-group li+li,.exam-tips li+li{margin-top:6px}.note-example{background:#f8f6ff;border-left:4px solid #7c3aed;margin-top:14px;padding:13px 14px}.note-example strong{color:#5124b3;text-transform:uppercase;letter-spacing:.045em;font-size:.75rem}.note-example p{color:#555a5f;margin:5px 0 0;font-size:.84rem;line-height:1.6}.exam-tips{background:#f7f9fa;padding:18px 20px}.exam-tips>strong{color:#2d2f31;margin-bottom:9px;font-size:.8rem;display:block}.flashcard-area{padding-block:32px 72px}.flashcard-toolbar{gap:20px;margin-bottom:24px;display:grid}.flashcard-toolbar h2{margin-bottom:0}.flashcard-controls{grid-template-columns:1fr 1fr;gap:9px;display:grid}.flashcard-controls label{color:#565b5f;gap:5px;font-size:.71rem;font-weight:750;display:grid}.flashcard-controls select{background:#fff;border:1px solid #8a9095;width:100%;padding:0 30px 0 10px}.flashcard-controls .button{grid-column:1/-1}.flashcard-study-shell{box-shadow:var(--shadow-md);background:#fff;border:1px solid #d1d7dc;overflow:hidden}.flashcard-progress-row{color:#6a6f73;justify-content:space-between;align-items:center;gap:15px;padding:18px 20px 9px;font-size:.75rem;display:flex}.flashcard-progress{margin-bottom:6px}.flashcard-stage{perspective:1200px;background:linear-gradient(#faf9ff,#fff);place-items:center;min-height:390px;padding:24px 18px;display:grid}.flashcard-card{width:min(100%,760px);min-height:330px;color:inherit;cursor:pointer;transform-style:preserve-3d;background:0 0;border:0;padding:0;transition:transform .5s cubic-bezier(.2,.7,.2,1);position:relative}.flashcard-card.is-flipped{transform:rotateY(180deg)}.flashcard-face{backface-visibility:hidden;background:#fff;border:1px solid #cfd4d8;grid-template-rows:auto 1fr auto;place-items:center;gap:20px;padding:30px 24px;display:grid;position:absolute;inset:0;box-shadow:0 20px 45px #261c431f}.flashcard-front{background:linear-gradient(145deg,#fff,#faf8ff)}.flashcard-back{color:#fff;background:linear-gradient(135deg,#2b174d,#5624d0);transform:rotateY(180deg)}.flashcard-face small{color:var(--purple-700);text-transform:uppercase;letter-spacing:.07em;font-size:.72rem;font-weight:850}.flashcard-back small{color:#d7c9ff}.flashcard-face strong{text-align:center;letter-spacing:-.025em;align-self:center;max-width:650px;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.5rem,6vw,2.35rem);line-height:1.32}.flashcard-face em{color:#787d82;align-items:center;gap:7px;font-size:.72rem;font-style:normal;font-weight:700;display:inline-flex}.flashcard-back em{color:#d7d2e0}.flashcard-face em svg{width:16px;height:16px}.flashcard-nav{border-top:1px solid #e4e7eb;grid-template-columns:1fr 1fr;gap:9px;padding:18px;display:grid}.flashcard-nav .button-primary{grid-area:1/1/auto/-1}.explanation{background:#f7f9fa;border-left-color:#b9bec3}.explanation strong{color:#3e4143}.explanation-correct{background:#f1faf4;border-left-color:#3f8f59}.explanation-correct strong{color:#176835}.explanation-incorrect{background:#fff6f6;border-left-color:#bd3438}.explanation-incorrect strong{color:#9c2b2f}@media (min-width:540px){.course-study-nav a{min-height:58px;padding-inline:16px;font-size:.8rem}.flashcard-controls{grid-template-columns:1fr 1fr auto;align-items:end}.flashcard-controls .button{grid-column:auto}.flashcard-nav{grid-template-columns:1fr auto 1fr}.flashcard-nav .button-primary{grid-area:auto}.flashcard-nav .button:last-child{justify-self:stretch}}@media (min-width:760px){.course-study-nav{top:0}.course-study-nav-inner{min-width:0}.course-study-nav a{padding-inline:20px}.course-overview-area{padding-block:50px 86px}.study-option-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.course-study-guidance{grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);align-items:start;gap:50px;padding:36px}.notes-layout{grid-template-columns:250px minmax(0,1fr);align-items:start;gap:30px;padding-block:38px 86px}.notes-sidebar{position:sticky;top:76px}.notes-sidebar nav{max-height:calc(100vh - 160px);display:block;overflow:auto}.notes-section>header{padding:28px 28px 24px}.note-group{padding:24px 28px}.exam-tips{padding:22px 28px}.flashcard-area{padding-block:44px 86px}.flashcard-toolbar{grid-template-columns:minmax(0,1fr) auto;align-items:end}.flashcard-stage{min-height:470px;padding:38px}.flashcard-card{min-height:360px}.flashcard-face{padding:40px 44px}.flashcard-nav{padding:20px 24px 24px}}@media (min-width:1020px){.notes-layout{grid-template-columns:280px minmax(0,1fr);gap:42px}.study-option-card{padding:26px}.study-option-featured{padding-top:23px}}@media (prefers-reduced-motion:reduce){.score-ring-value,.flashcard-card{transition:none}}.quiz-fixed-setting{background:#f8f7fc;border:1px solid #8a9095;align-content:center;gap:4px;min-height:44px;padding:7px 10px;display:grid}.quiz-fixed-setting span{color:#565b5f;font-size:.68rem;font-weight:750}.quiz-fixed-setting strong{color:#2f2154;font-size:.76rem;line-height:1.25}.quiz-progress-mode{text-align:right;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:inline-flex}.quiz-timer{color:#4c1d95;font-variant-numeric:tabular-nums;background:#f7f5ff;border:1px solid #cfc8e7;border-radius:999px;align-items:center;min-height:26px;padding:0 8px;font-weight:800;display:inline-flex}.quiz-timer-warning{color:#9b2c2c;background:#fff2f2;border-color:#e5aaaa}.study-coverage-stats{color:#64696e;flex-wrap:wrap;gap:8px 18px;margin-top:20px;font-size:.77rem;display:flex}.study-coverage-stats span{align-items:baseline;gap:5px;display:inline-flex}.study-coverage-stats strong{color:#25144c;font-size:.9rem}.note-groups-accordion{gap:0}.note-group-details{padding:0}.note-group-details>summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;min-height:60px;padding:16px 20px;font-size:.93rem;font-weight:780;list-style:none;display:flex}.note-group-details>summary::-webkit-details-marker{display:none}.note-group-details>summary:after{content:"+";width:24px;height:24px;color:var(--purple-700);background:var(--purple-50);border-radius:999px;flex:none;place-items:center;font-size:1rem;display:grid}.note-group-details[open]>summary:after{content:"−"}.note-group-details>summary:hover{background:#fbfaff}.note-group-details>summary span{flex:auto}.note-group-details>summary small{color:#7b8085;flex:none;font-size:.68rem;font-weight:650}.note-group-body{padding:0 20px 20px}.note-group-details[open]>summary{color:#421aa1}.flashcard-face{overflow:hidden}.flashcard-face strong{width:100%;max-height:225px;padding-inline:4px;font-size:clamp(1.05rem,4.7vw,2.1rem);overflow:auto}@media (min-width:540px){.quiz-controls{grid-template-columns:minmax(155px,1fr) minmax(190px,1.2fr) auto}.note-group-details>summary,.note-group-body{padding-inline:24px}}@media (min-width:760px){.note-group-details>summary{padding-inline:28px}.note-group-body{padding:0 28px 24px}.flashcard-face strong{max-height:270px}}.flashcard-face strong{white-space:pre-wrap}