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[id]{scroll-margin-top:108px}.landing-header-inner{justify-content:space-between;align-items:center;gap:var(--space-32px);min-height:80px;display:flex}.landing-site .brand{min-height:var(--size-control)}.landing-desktop-nav{align-items:center;gap:var(--space-32px);font-size:var(--type-14);font-weight:var(--weight-medium);display:flex}.landing-desktop-nav a{min-height:var(--size-control);min-width:var(--size-control);align-items:center;display:inline-flex}.landing-desktop-nav a:hover{color:var(--primary)}.landing-mobile-menu{display:none}.landing-eyebrow{align-items:center;gap:var(--space-8px);color:var(--primary);font-size:var(--type-12);font-weight:var(--weight-bold);letter-spacing:.08em;margin-bottom:16px;line-height:1.5;display:flex}.landing-eyebrow>span{background:var(--primary);border-radius:50%;width:6px;height:6px}.landing-actions{flex-wrap:wrap;align-items:center;gap:16px 24px;display:flex}.landing-site .button,.landing-site 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solid var(--border)}.landing-section-heading{margin-bottom:32px}.landing-section-heading h2{letter-spacing:-.035em;margin:0 0 16px;font-size:clamp(2rem,3vw,2.75rem);line-height:1.2}.landing-section-heading p{max-width:520px;font-size:var(--type-16);margin-bottom:0}.landing-heading-split{justify-content:space-between;align-items:flex-end;gap:var(--space-32px);display:flex}.landing-heading-split h2{margin-bottom:0}.landing-heading-split>p{max-width:390px}.landing-section-footer{align-items:center;gap:var(--space-12px);flex-direction:column;margin-top:32px;display:flex}.landing-section-footer p{font-size:var(--type-12);text-align:center;margin:0}.landing-centered{text-align:center;max-width:640px;margin-inline:auto}.landing-centered .landing-eyebrow{justify-content:center}.landing-centered p{margin-inline:auto}.landing-steps{gap:var(--space-24px);grid-template-columns:repeat(3,minmax(0,1fr));margin-top:32px;display:grid}.landing-step{border:1px solid 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svg{flex-shrink:0;margin-top:2px}.landing-catalog-note p{font-size:var(--type-12);margin:0}.landing-step-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:24px;display:flex}.landing-step .ui-badge{font-size:var(--type-12)}.landing-step h3{margin-top:0}.landing-future-note{background:var(--re-surface);color:#52647e;border-left:3px solid #bfd2f3;padding:14px 16px;line-height:1.7}.landing-feature-section{background:var(--re-deep)}.landing-feature-section h2,.landing-feature-section h3{color:#fff}.landing-feature-section p{color:#bdcce2}.landing-feature-section .landing-eyebrow{color:#9fc3ff}.landing-feature-section .landing-icon-box{color:#afd0ff;background:#223d60;border:1px solid #3c5779}.landing-feature-section .landing-feature{border-top:1px solid #3c5779;padding-top:24px}.landing-feature-section 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h2{font-size:var(--type-24);text-wrap:initial;align-self:center;line-height:1.25}.landing-practice-card p{font-size:var(--type-14)}.landing-practice-card ul{font-size:var(--type-14);gap:6px;margin-block:0;padding-left:18px;line-height:1.6}.landing-practice-card small{font-size:var(--type-12);line-height:1.6}}@media (max-width:480px){.landing-practice-card{padding:18px}.landing-practice-card h2{font-size:var(--type-20)}.landing-feature-section .landing-feature-grid{gap:var(--space-20px);grid-template-columns:minmax(0,1fr)}.landing-feature-section .landing-feature{grid-template-columns:44px minmax(0,1fr);gap:8px 14px;padding-top:20px;display:grid}.landing-feature .landing-icon-box{grid-row:1/3;width:44px;height:44px}.landing-feature h3{font-size:var(--type-18);margin:0}.landing-feature p{font-size:var(--type-14);grid-column:2}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
.landing-product-preview{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);min-width:0;overflow:hidden;box-shadow:0 12px 40px #142b4c0a}.landing-preview-top{justify-content:space-between;align-items:center;gap:var(--space-12px);border-bottom:1px solid var(--border);flex-wrap:wrap;padding:16px 24px;display:flex}.landing-preview-top>span:first-child{align-items:center;gap:var(--space-8px);font-size:var(--type-14);font-weight:var(--weight-semibold);display:inline-flex}.landing-preview-top svg{color:var(--app-link,var(--primary))}.landing-runner-meta{justify-content:space-between;align-items:center;gap:var(--space-12px);font-size:var(--type-14);font-weight:var(--weight-semibold);padding:22px 24px 14px;display:flex}.landing-runner-meta>span>span{font-weight:var(--weight-regular);color:var(--app-muted,#64748b)}.landing-sample-timer{color:var(--app-link,var(--re-primary-hover));background:var(--app-blue-tint,var(--re-tint));border-radius:var(--radius-sm);align-items:center;gap:6px;padding:8px 10px;display:flex}.landing-sample-timer small{font-size:var(--type-12);font-weight:var(--weight-regular)}.landing-sample-progress{border-radius:var(--radius-xs);background:var(--app-subtle,#e8edf5);height:4px;margin:0 24px;overflow:hidden}.landing-sample-progress>span{background:var(--re-primary);width:20%;height:100%;display:block}.landing-sample-question{border:0;width:100%;min-width:0;margin:0;padding:22px 24px 10px}.landing-sample-question legend{float:left;width:100%;font-size:var(--type-20);font-weight:var(--weight-semibold);letter-spacing:-.02em;margin:0 0 20px;line-height:1.5}.landing-sample-question label{clear:both;align-items:center;gap:var(--space-12px);border:1px solid var(--app-line,#dfe6f1);border-radius:var(--radius-control);cursor:pointer;min-height:50px;margin-bottom:10px;padding:10px 14px;display:flex;position:relative}.landing-sample-question label input{opacity:0;width:1px;height:1px;position:absolute}.landing-sample-question label:has(input:focus-visible){outline:3px solid var(--app-line-accent,#93b4ff);outline-offset:3px}.landing-sample-question label>span{border-radius:var(--radius-sm);background:var(--app-subtle,#f0f3f8);width:28px;height:28px;color:var(--app-muted,#5d6f89);font-size:var(--type-12);place-items:center;display:grid}.landing-sample-question label>strong{font-size:var(--type-14);font-weight:var(--weight-medium)}.landing-sample-question label>svg{color:var(--app-link,var(--re-primary));margin-left:auto}.landing-sample-question label[data-selected=true]{border-color:var(--re-primary);background:var(--app-blue-tint,#f0f5ff)}.landing-sample-question label[data-selected=true]>span{background:var(--re-primary);color:#fff}.landing-sample-bottom{justify-content:space-between;align-items:center;gap:var(--space-12px);border-top:1px solid var(--app-line,#e8edf5);margin:0 24px;padding:10px 0;display:flex}.landing-sample-bottom>span{font-size:var(--type-12);color:var(--app-muted,#426856);align-items:center;gap:6px;display:flex}.landing-sample-bottom .landing-text-link{font-size:var(--type-12);color:var(--app-link,var(--re-primary-hover))}.landing-sample-caption{font-size:var(--type-12);background:var(--app-surface,var(--re-surface));color:var(--app-muted,#52647e);margin:0;padding:10px 24px;line-height:1.6!important}.directory-sample-intro{background:var(--app-surface,var(--re-surface));border-radius:var(--radius-control);font-size:var(--type-14);color:var(--app-muted,#3e5271);margin:16px 18px;padding:16px}.practice-task{border:1px solid var(--app-line,#dfe6f1);border-radius:var(--radius-control);background:var(--app-card,white);padding:20px}.practice-task h3{font-size:var(--type-20);margin:16px 0}.practice-task>p{line-height:1.7}.practice-task label{font-size:var(--type-14);font-weight:var(--weight-semibold);gap:10px;margin-top:20px;display:grid}.practice-task textarea{resize:vertical;border:1px solid var(--app-line,#bdcbe0);border-radius:var(--radius-control);width:100%;min-height:160px;font:inherit;font-weight:var(--weight-regular);padding:14px}.practice-task>div{background:var(--app-surface,var(--re-surface));border-radius:var(--radius-control);margin-top:20px;padding:18px}.practice-task strong{display:block}.practice-note{color:var(--app-muted,#52647e);font-size:var(--type-12);margin-top:16px}@media (max-width:480px){.landing-sample-question{padding:18px 14px 8px}.landing-sample-question legend{font-size:var(--type-18)}.landing-runner-meta{font-size:var(--type-12);flex-wrap:wrap;padding:16px 14px}.landing-sample-progress{margin:0 14px}.landing-sample-bottom{flex-wrap:wrap;margin:0 14px}.landing-preview-top{padding:14px}.landing-sample-caption{padding:12px 14px}.landing-sample-question label>span{flex:none}.practice-task{padding:16px}}
.landing-header-inner{gap:22px}.landing-desktop-nav{gap:var(--space-20px);font-size:var(--type-14)}.landing-header-actions{align-items:center;gap:var(--space-20px);flex-shrink:0;display:flex}.landing-header-start{font-size:var(--type-12)!important;min-height:44px!important}.landing-result-bar>span:first-child{flex:75;width:75%}.landing-result-bar>span:nth-child(2){flex:20;width:20%}.landing-result-bar>span:nth-child(3){flex:5;width:5%}.landing-reading-chart{border-top:1px solid #edf0f5;margin:24px 0 12px;padding-top:18px}.landing-reading-chart figcaption{font-size:var(--type-12);font-weight:var(--weight-semibold);color:#526781;margin-bottom:8px}.landing-reading-chart svg{width:100%;height:auto;display:block}.landing-content-preview-note{background:var(--re-tint);border-radius:var(--radius-control);font-size:var(--type-12);color:#38577e;border:1px solid #dbe6fa;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px;padding:12px 16px;display:flex}.landing-content-preview-note span{flex:1;min-width:180px}.landing-content-preview-note a{color:var(--re-primary-hover);text-underline-offset:3px;align-items:center;min-height:32px;text-decoration:underline;display:flex}.landing-content-page{min-height:60vh;padding-block:56px 80px}.landing-content-heading{max-width:740px;margin-bottom:32px}.landing-content-heading h1,.landing-subject-hero h1,.landing-article-heading h1{letter-spacing:-.045em;margin:18px 0;font-size:clamp(32px,4vw,52px);line-height:1.14}.landing-content-heading h1>span{color:var(--re-primary)}.landing-content-heading>p{font-size:var(--type-16)}.landing-blog-search{max-width:650px;display:block;position:relative}.landing-blog-search>svg{color:#64748b;position:absolute;top:17px;left:17px}.landing-blog-search input{border-radius:var(--radius-control);font-size:var(--type-14);padding:16px 18px 16px 48px}.landing-blog-categories{gap:var(--space-8px);margin:24px 0 32px;padding-bottom:8px;display:flex;overflow-x:auto}.landing-blog-categories button{border-radius:var(--radius-control);min-height:var(--size-control);white-space:nowrap;background:var(--re-surface);color:#52647e;font-size:var(--type-14);cursor:pointer;border:1px solid #e3e9f2;padding:10px 18px}.landing-blog-categories button[aria-pressed=true]{background:var(--re-deep);color:#fff;border-color:var(--re-deep)}.landing-article-grid{gap:var(--space-24px);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.landing-article-card{border-radius:var(--radius-card);background:#fff;border:1px solid #e2e8f0;flex-direction:column;min-width:0;transition:border-color .15s;display:flex;overflow:hidden}.landing-article-card:hover{border-color:#8baff0}.landing-article-art{background:var(--re-tint);justify-content:center;align-items:center;gap:var(--space-24px);min-height:170px;color:var(--re-primary);display:flex}.landing-article-art>span{font-size:var(--type-12);letter-spacing:.15em;max-width:110px;line-height:1.8;font-weight:var(--weight-bold)}.landing-article-card:nth-child(3n) .landing-article-art{color:#416f62;background:#eff5f3}.landing-article-copy{flex-direction:column;flex:1;padding:28px;display:flex}.landing-article-copy h2{font-size:var(--type-24);letter-spacing:-.025em;margin:0 0 12px;line-height:1.3}.landing-article-copy p{font-size:var(--type-14);margin:0 0 20px}.landing-article-meta{font-size:var(--type-12);color:#52647e;justify-content:space-between;align-items:center;gap:14px;margin-top:auto;display:flex}.landing-article-meta>svg{color:var(--re-primary)}.landing-article-card.is-featured{flex-direction:row;grid-column:1/-1}.landing-article-card.is-featured .landing-article-art{background:var(--re-deep);color:#9bbffe;flex:0 0 42%;min-height:260px}.landing-article-card.is-featured .landing-article-copy{padding:36px}.landing-article-card.is-featured h2{font-size:var(--type-28)}.landing-blog-empty{text-align:center;padding:40px}.landing-blog-empty>button{margin-top:16px}.landing-breadcrumb{gap:var(--space-8px);font-size:var(--type-12);color:#52647e;flex-wrap:wrap;align-items:center;margin-bottom:32px;display:flex}.landing-breadcrumb a{color:#38577e;align-items:center;min-height:32px;display:flex}.landing-article-heading{max-width:850px;padding-bottom:40px}.landing-article-heading>p{font-size:var(--type-18);max-width:760px}.landing-article-heading>span{font-size:var(--type-12);color:#64748b}.landing-article-layout{gap:var(--space-64px);border-top:1px solid #e5ebf4;grid-template-columns:260px minmax(0,720px);padding-top:36px;display:grid}.landing-article-toc{align-self:start;gap:var(--space-8px);font-size:var(--type-14);border-right:1px solid #e5ebf4;padding-right:24px;display:grid;position:sticky;top:32px}.landing-article-toc strong{margin-bottom:12px}.landing-article-toc a{min-height:var(--size-control);color:#586c89;align-items:baseline;gap:10px;line-height:1.7;display:flex}.landing-article-toc a span{font-size:var(--type-12);color:var(--re-primary)}.landing-article-body section{margin-bottom:36px;scroll-margin-top:24px}.landing-article-body h2{font-size:var(--type-28);letter-spacing:-.025em}.landing-article-body p{font-size:var(--type-16);line-height:1.9}.landing-article-cta{background:var(--re-deep);color:#fff;border-radius:var(--radius-card);margin-top:36px;padding:30px}.landing-article-cta>svg{color:#9bbffe;margin-bottom:18px}.landing-article-cta h2{font-size:var(--type-28)}.landing-article-cta p{color:#bdcde5;font-size:var(--type-14)}.landing-related{border-top:1px solid #e5ebf4;margin-top:60px;padding-top:36px}.landing-related>h2{font-size:var(--type-24);margin-bottom:24px}.landing-subject-hero{align-items:center;gap:var(--space-48px);background:var(--re-surface);border-radius:var(--radius-card);border:1px solid #e6ecf4;margin-bottom:40px;padding:44px;display:flex}.landing-subject-hero>div{flex:1}.landing-subject-hero p{font-size:var(--type-16);max-width:640px;margin-bottom:28px}.landing-subject-symbol{border-radius:var(--radius-panel);width:180px;height:180px;color:var(--re-primary);background:#e8efff;flex-shrink:0;place-items:center;display:grid}.landing-subject-grid{gap:var(--space-48px);grid-template-columns:1fr 1fr;align-items:center;margin:40px 0 64px;display:grid}.landing-subject-grid h2{font-size:var(--type-28)}.landing-subject-grid p{font-size:var(--type-16)}.landing-subject-grid>.ui-card{padding:28px}.landing-subject-grid>.ui-card>svg{color:var(--re-primary);margin-bottom:20px}.landing-subject-sample{gap:var(--space-64px);grid-template-columns:1fr 1fr;align-items:center;margin-bottom:64px;display:grid}.landing-subject-sample h2{font-size:var(--type-36);letter-spacing:-.035em;line-height:1.2}.landing-subject-sample h3{font-size:var(--type-20);margin-top:32px}.landing-subject-sample p{font-size:var(--type-16)}.landing-subject-faq{max-width:850px}.landing-subject-faq>h2{font-size:var(--type-28);margin-bottom:24px}.landing-subject-other{background:var(--re-surface);border-radius:var(--radius-card);margin-top:36px;padding:28px}.landing-subject-other h2{font-size:var(--type-24)}.landing-subject-other p{font-size:var(--type-14)}.landing-preview-links{gap:var(--space-16px);grid-template-columns:1fr 1fr;display:grid}.landing-preview-links a{border-radius:var(--radius-control);justify-content:space-between;align-items:center;gap:var(--space-20px);font-size:var(--type-16);background:#f9fbfe;border:1px solid #e2e8f0;padding:24px;display:flex}@media (max-width:1100px){.landing-header-actions .landing-signin{display:none}.landing-desktop-nav{gap:14px}.landing-header-inner{gap:var(--space-16px)}.landing-article-layout{gap:var(--space-32px);grid-template-columns:220px minmax(0,1fr)}}@media (max-width:850px){.landing-header-actions{margin-left:auto}.landing-header-start{padding:9px 14px!important}.landing-article-layout{grid-template-columns:1fr;gap:28px}.landing-article-toc{border-radius:var(--radius-control);background:var(--re-surface);border:1px solid #e2e8f0;padding:20px;position:static}.landing-subject-hero{gap:var(--space-24px);padding:30px}.landing-subject-symbol{width:110px;height:110px}.landing-subject-symbol svg{width:56px;height:56px}.landing-subject-grid,.landing-subject-sample{gap:var(--space-32px)}.landing-article-card.is-featured .landing-article-copy{padding:24px}.landing-article-card.is-featured h2{font-size:var(--type-28)}}@media (max-width:620px){.landing-header-actions{display:none}.landing-sample-question{padding:20px 18px 8px}.landing-sample-question legend{font-size:var(--type-20)}.landing-runner-meta{padding:18px 18px 12px}.landing-sample-progress,.landing-sample-bottom{margin:0 18px}.landing-sample-bottom .landing-text-link{font-size:var(--type-12);gap:5px}.landing-sample-bottom>span{font-size:var(--type-12);gap:var(--space-4px)}.landing-sample-caption{padding:10px 18px}.landing-content-page{padding-block:36px 56px}.landing-content-heading h1,.landing-subject-hero h1,.landing-article-heading h1{font-size:var(--type-32)}.landing-content-heading>p{font-size:var(--type-16)}.landing-blog-categories{margin:20px 0 24px}.landing-blog-categories button{font-size:var(--type-12);padding:9px 14px}.landing-article-grid{grid-template-columns:1fr;gap:18px}.landing-article-card.is-featured{flex-direction:column}.landing-article-card.is-featured .landing-article-art{flex:auto;min-height:190px}.landing-article-art{min-height:140px}.landing-article-copy,.landing-article-card.is-featured .landing-article-copy{padding:22px}.landing-article-copy h2,.landing-article-card.is-featured h2{font-size:var(--type-24)}.landing-article-copy p{font-size:var(--type-14)}.landing-article-heading>p{font-size:var(--type-16)}.landing-article-heading{padding-bottom:24px}.landing-article-layout{padding-top:24px}.landing-article-body h2{font-size:var(--type-24)}.landing-article-body p{font-size:var(--type-16);line-height:1.85}.landing-article-cta{padding:24px}.landing-article-cta .button{width:100%}.landing-related{margin-top:40px}.landing-subject-hero{padding:24px;display:block}.landing-subject-symbol{display:none}.landing-subject-hero .button{width:100%}.landing-subject-grid,.landing-subject-sample{gap:var(--space-24px);grid-template-columns:1fr;margin-bottom:40px}.landing-subject-sample h2{font-size:var(--type-28)}.landing-subject-grid>.ui-card{padding:22px}.landing-subject-faq>h2{font-size:var(--type-24)}.landing-subject-other{padding:22px}.landing-subject-other .secondary-button{width:100%}.landing-preview-links{grid-template-columns:1fr}.landing-preview-links 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