*,:after,:before{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }/*
! tailwindcss v3.4.19 | MIT License | https://tailwindcss.com
*/*,:after,:before{box-sizing:border-box;border:0 solid #e5e7eb}:after,:before{--tw-content:""}:host,html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:Inter,system-ui,sans-serif;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dd,dl,figure,h1,h2,h3,h4,h5,h6,hr,p,pre{margin:0}fieldset{margin:0}fieldset,legend{padding:0}menu,ol,ul{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}[role=button],button{cursor:pointer}:disabled{cursor:default}audio,canvas,embed,iframe,img,object,svg,video{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.visible{visibility:visible}.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.sticky{position:sticky}.block{display:block}.inline-block{display:inline-block}.flex{display:flex}.inline-flex{display:inline-flex}.grid{display:grid}.contents{display:contents}.hidden{display:none}.min-h-screen{min-height:100vh}.flex-shrink{flex-shrink:1}.grow{flex-grow:1}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.resize{resize:both}.break-all{word-break:break-all}.border{border-width:1px}.uppercase{text-transform:uppercase}.underline{text-decoration-line:underline}.outline{outline-style:solid}.blur{--tw-blur:blur(8px)}.blur,.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.ease-in-out{transition-timing-function:cubic-bezier(.4,0,.2,1)}.ease-out{transition-timing-function:cubic-bezier(0,0,.2,1)}:root{color-scheme:light;--bg-page:#f8f7f2;--bg-card:#fff;--bg-elevated:#fff;--text-primary:#1a1c1e;--text-body:#535a60;--text-muted:#767d83;--accent-blue:#1c4e8a;--accent-indigo:#1c4e8a;--state-success:#1f7a52;--state-warning:#b97309;--state-error:#c5372a;--border-standard:#e4e1d6;--border-ghost:#cfcabc}.light{--bg-page:#f8f7f2;--bg-card:#fff;--bg-elevated:#fff;--text-primary:#1a1c1e;--text-body:#535a60;--text-muted:#767d83;--border-standard:#e4e1d6;--border-ghost:#cfcabc}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden}body{background-color:var(--bg-page);color:var(--text-body);font-family:var(--font-hanken),system-ui,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-card)}::-webkit-scrollbar-thumb{background:var(--border-ghost);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.font-inter{font-family:var(--font-hanken),system-ui,sans-serif}.font-serif{font-family:var(--font-ibm-plex-serif),Georgia,serif}.font-mono{font-family:var(--font-space-mono),"Courier New",monospace}.iq-score-display{font-family:var(--font-fraunces),Georgia,serif;font-weight:600;font-size:96px;line-height:1;letter-spacing:-2px}.blog-body{color:var(--text-body)}.blog-body,.blog-body dd,.blog-body dt,.blog-body li,.blog-body p,.blog-body td,.blog-body th{font-family:var(--font-ibm-plex-serif),Georgia,serif!important;font-weight:300;font-size:18px;line-height:1.7}.blog-body p{margin-bottom:1.5rem}.blog-body h2{font-weight:700;font-size:1.5rem;margin-top:2.5rem;margin-bottom:1rem}.blog-body h2,.blog-body h3{font-family:var(--font-hanken),system-ui,sans-serif;color:var(--text-primary)}.blog-body h3{font-weight:600;font-size:1.25rem;margin-top:2rem;margin-bottom:.75rem}.blog-body ul{list-style:none;margin-left:0;padding-left:0;margin-bottom:1.85rem}.blog-body ul li{position:relative;padding-left:1.75rem;margin-bottom:.85rem;line-height:1.65}.blog-body ul li:before{content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;background:var(--accent-blue);border-radius:2px}.blog-body ol{margin-left:1.4rem;margin-bottom:1.85rem}.blog-body ol li{margin-bottom:.85rem;padding-left:.4rem;line-height:1.65}.blog-body ol li::marker{color:var(--accent-blue);font-weight:700}.blog-body a{color:#3550a0;text-decoration:underline;text-decoration-color:rgba(129,140,248,.35);text-underline-offset:3px;transition:color .15s ease,text-decoration-color .15s ease}.blog-body a:hover{color:#1c4e8a;text-decoration-color:rgba(165,180,252,.6)}.blog-body b,.blog-body strong{font-weight:700;color:var(--text-primary)}.blog-body em{font-style:italic}.blog-body blockquote{font-weight:600;font-size:1.2rem;border-left:3px solid var(--accent-indigo);padding-left:1.5rem;margin:2rem 0;color:var(--text-primary)}@keyframes barFill{0%{width:0}to{width:var(--target-width)}}.bar-animated{animation:barFill 1.2s ease-out forwards}.glow-blue,.glow-indigo{box-shadow:none}.answer-option{transition:all .15s ease;cursor:pointer}.answer-option:hover{background-color:rgba(28,78,138,.08);border-color:rgba(28,78,138,.4)}.answer-option.selected{background-color:rgba(28,78,138,.15);border-color:#1c4e8a}.accordion-content{overflow:hidden;transition:max-height .3s ease,opacity .3s ease}.reading-progress{position:fixed;top:0;left:0;height:3px;background:#1c4e8a;z-index:9999;transition:width .1s linear}.timer-normal{color:#535a60}.timer-warning{color:#b97309}.timer-danger{color:#c5372a}.article-layout{display:flex;gap:48px;align-items:flex-start}.article-content-col{flex:1 1 0;min-width:0;max-width:672px}.article-sidebar-col{display:none;flex-shrink:0;width:240px;position:sticky;top:88px}@media (min-width:1024px){.article-sidebar-col{display:block}}.nav-blog-link{color:#535a60;text-decoration:none;transition:color .15s ease}.nav-blog-link:hover{color:#1a1c1e}.nav-cta-link{background-color:#1c4e8a;color:#fff;text-decoration:none;transition:background-color .15s ease}.nav-cta-link:hover{background-color:#163e6e}.nav-theme-btn{color:#535a60;transition:color .15s ease,background-color .15s ease}.nav-theme-btn:hover{color:#1a1c1e;background-color:rgba(0,0,0,.05)}.blog-back-link{color:#767d83;text-decoration:none;transition:color .15s ease}.blog-back-link:hover{color:#535a60}.blog-cta-btn{background-color:#1c4e8a;color:#fff;text-decoration:none;transition:background-color .15s ease}.blog-cta-btn:hover{background-color:#163e6e}@keyframes fadeIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .5s ease-out forwards}.cluster-bar-track{background-color:var(--border-standard);border-radius:4px;overflow:hidden;height:8px}.cluster-bar-fill{height:100%;border-radius:4px;background:#1c4e8a}.light body{background-color:#f8f7f2}.btn-primary{transition:background-color .2s ease}.btn-primary,.btn-primary:hover{box-shadow:0 1px 2px rgba(0,0,0,.25)}.card-elevated,.test-card-glow{box-shadow:0 1px 3px rgba(0,0,0,.25)}.cta-section{background-image:none}.btn-primary-nav{box-shadow:none;transition:background-color .2s ease}.btn-primary-nav:hover{box-shadow:none}.confirm-btn:hover:not(:disabled){background-color:#163e6e!important}.answer-tile{transition:border-color .15s ease,background-color .15s ease,box-shadow .15s ease}.answer-tile:hover:not(:disabled):not(.answer-tile-selected){border-color:rgba(28,78,138,.5)!important;background-color:#eeebe0!important;box-shadow:0 0 0 1px rgba(28,78,138,.2)!important;cursor:pointer}.blog-card{background-color:#fff;border:1px solid #e4e1d6;border-radius:12px;padding:28px;height:100%;cursor:pointer;text-decoration:none;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .15s ease}.blog-card:hover{border-color:rgba(28,78,138,.4)}.section-default{background-color:#f8f7f2}.section-alt{background-color:#f1ece0}@keyframes gradientShift{0%{background-position:0 50%}50%{background-position:100% 50%}to{background-position:0 50%}}.hero-animated-bg{background:linear-gradient(180deg,#f8f7f2,#f8f7f2)}.mobile-menu{position:absolute;top:64px;left:0;right:0;background-color:hsla(50,30%,96%,.98);border-bottom:1px solid #e4e1d6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:16px 24px 20px;display:flex;flex-direction:column;gap:12px;z-index:49}.mobile-menu-blog-link{font-family:var(--font-hanken),sans-serif;font-weight:600;font-size:15px;color:#535a60;text-decoration:none;padding:10px 0;border-bottom:1px solid #e4e1d6;transition:color .15s ease}.mobile-menu-blog-link.active,.mobile-menu-blog-link:hover{color:#1a1c1e}.mobile-menu-cta{font-family:var(--font-hanken),sans-serif;font-weight:600;font-size:15px;color:#fff;background-color:#1c4e8a;text-decoration:none;padding:12px 16px;border-radius:8px;text-align:center;transition:background-color .15s ease}.mobile-menu-cta:hover{background-color:#163e6e}.hamburger-btn{background:none;border:none;cursor:pointer;padding:6px;border-radius:6px;color:#535a60;display:none;align-items:center;justify-content:center;transition:color .15s ease,background-color .15s ease}.hamburger-btn:hover{color:#1a1c1e;background-color:rgba(0,0,0,.05)}@media (min-width:768px){.nav-desktop-links{display:flex;align-items:center;gap:24px}.hamburger-btn-wrapper{display:none}.mobile-menu{display:none!important}}@media (max-width:767px){.nav-desktop-links{display:none}.hamburger-btn-wrapper{display:flex;align-items:center}.hamburger-btn{display:flex}}.hero-cta-primary{font-family:var(--font-hanken),sans-serif;font-weight:700;font-size:17px;color:#fff;background-color:#1c4e8a;text-decoration:none;padding:16px 40px;border-radius:10px;display:inline-flex;align-items:center;gap:10px;transition:background-color .15s ease,box-shadow .15s ease,transform .1s ease;box-shadow:0 0 0 0 rgba(28,78,138,0);letter-spacing:-.01em}.hero-cta-primary:hover{background-color:#163e6e}.hero-cta-ghost{font-family:var(--font-hanken),sans-serif;font-weight:500;font-size:14px;color:#535a60;background-color:transparent;text-decoration:none;padding:10px 20px;border-radius:8px;border:1px solid #cfcabc;display:inline-flex;align-items:center;gap:6px;transition:border-color .15s ease,color .15s ease}.hero-cta-ghost:hover{border-color:#909799;color:#1a1c1e}.live-dot{width:7px;height:7px;border-radius:50%;background-color:#1f7a52;display:inline-block;position:relative}.live-dot:after{content:"";position:absolute;inset:-3px;border-radius:50%;background-color:rgba(16,185,129,.3);animation:pulse-ring 2s ease-out infinite}@keyframes pulse-ring{0%{transform:scale(.8);opacity:.8}to{transform:scale(2);opacity:0}}.why-card{background-color:#fff;border:1px solid rgba(28,78,138,.2);border-radius:12px;padding:28px;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.why-card:hover{border-color:rgba(28,78,138,.4)}.why-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.brain-game-card{background:#fff;border:1px solid rgba(28,78,138,.15);border-radius:12px;padding:20px 24px;text-align:left;display:block;text-decoration:none;cursor:pointer;transition:box-shadow .15s ease,transform .15s ease,background .15s ease;-webkit-tap-highlight-color:transparent;position:relative}.brain-game-card:hover{background:#f1ece0;border-color:rgba(28,78,138,.4)}.brain-game-card:hover span:last-child{color:#535a60}@media (hover:none){.brain-game-card:active{background:#f1ece0;transform:scale(.97)}}.how-card{background-color:#f1ece0;border:1px solid #e4e1d6;border-radius:12px;padding:32px;transition:border-color .15s ease;position:relative}.how-card:hover{border-color:rgba(28,78,138,.3)}.results-cta{font-family:var(--font-hanken),sans-serif;font-weight:700;font-size:15px;color:#fff;background-color:#1c4e8a;text-decoration:none;padding:14px 32px;border-radius:9px;display:block;text-align:center;transition:background-color .15s ease,box-shadow .15s ease;letter-spacing:-.01em}.results-cta:hover{background-color:#163e6e}.final-cta{font-family:var(--font-hanken),sans-serif;font-weight:700;font-size:17px;color:#fff;background-color:#1c4e8a;text-decoration:none;padding:16px 44px;border-radius:10px;display:inline-flex;align-items:center;gap:10px;transition:background-color .15s ease,box-shadow .15s ease,transform .1s ease;letter-spacing:-.01em}.final-cta:hover{background-color:#163e6e}.faq-item{background-color:#fff;border:1px solid #e4e1d6;border-radius:10px;overflow:hidden;transition:border-color .15s ease}.faq-item:hover{border-color:#cfcabc}.faq-item summary{list-style:none;padding:20px 24px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-family:var(--font-hanken),sans-serif;font-weight:600;font-size:15px;color:#1a1c1e;-webkit-user-select:none;-moz-user-select:none;user-select:none;gap:16px}.faq-item summary::-webkit-details-marker{display:none}.faq-icon{width:22px;height:22px;border-radius:50%;border:1px solid #cfcabc;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#767d83;font-size:14px;font-weight:400;transition:border-color .15s ease,color .15s ease;font-family:var(--font-hanken),sans-serif;line-height:1}.faq-item[open] .faq-icon{border-color:rgba(28,78,138,.5);color:#1c4e8a}.stat-bar{height:3px;border-radius:2px;margin-bottom:12px;width:32px;margin-left:auto;margin-right:auto}.final-cta-card{background-color:#fff;border:1px solid rgba(28,78,138,.3);border-radius:16px;padding:72px 32px;position:relative;overflow:hidden}