/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-outline-style:solid}::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-outline-style:solid}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}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;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.hidden{display:none}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--font-sans:var(--font-geist-sans), Arial, sans-serif;--font-mono:var(--font-geist-mono), ui-monospace, monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;background:#fff0e5}body{color:#10162f;min-height:100vh;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;background:#fff0e5;margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}::selection{color:#fff;background:#3a10e5}.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}@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-outline-style{syntax:"*";inherits:false;initial-value:solid}:root{--cc-cream:#fff0e5;--cc-paper:#fff;--cc-navy:#10162f;--cc-purple:#3a10e5;--cc-purple-dark:#2b0aae;--cc-yellow:#ffd300;--cc-lime:#eafdc6;--cc-lavender:#d8d7ff;--cc-coral:#ffb7a1;--cc-aqua:#c9f2f2;--cc-peach:#ffd9c7;--cc-muted:#4f5368;--cc-line:#10162f;--cc-soft-line:#d1c4bb}.product-page{min-height:100vh;color:var(--cc-navy);background:var(--cc-cream)}.product-page :focus-visible{outline:3px solid var(--cc-purple);outline-offset:3px}.promo-bar{min-height:66px;color:var(--cc-navy);background:var(--cc-yellow);border-bottom:1px solid var(--cc-navy);font-family:var(--font-mono);justify-content:center;align-items:center;gap:28px;padding:11px 32px;font-size:14px;font-weight:650;display:flex}.promo-clock{letter-spacing:.05em;background:#fff;border-radius:5px;padding:10px 16px;font-size:15px;font-weight:800;box-shadow:0 1px 5px #10162f2e}.promo-bar a{color:#fff;background:var(--cc-purple);border:1px solid var(--cc-navy);font-family:var(--font-sans);border-radius:3px;margin-left:20px;padding:10px 18px;font-weight:750}.site-header{z-index:10;background:var(--cc-cream);border-bottom:1px solid var(--cc-navy);align-items:center;gap:40px;min-height:80px;padding:0 clamp(24px,7vw,122px);display:flex;position:relative}.site-logo{color:var(--cc-navy);font-family:var(--font-mono);letter-spacing:-.08em;flex:none;align-items:center;font-size:19px;font-weight:850;display:inline-flex}.site-logo span{color:var(--cc-purple);font-size:24px;font-weight:500}.site-nav{align-items:center;gap:28px;font-size:14px;font-weight:620;display:flex}.site-nav a,.login-link{padding:8px 0}.site-nav a:hover,.login-link:hover{color:var(--cc-purple)}.site-nav a span{margin-left:3px;font-size:10px}.site-actions{align-items:center;gap:24px;margin-left:auto;font-size:14px;font-weight:700;display:flex}.search-link{font-family:var(--font-mono);font-size:34px;font-weight:300;line-height:1;transform:rotate(-18deg)}.primary-nav-button,.button--primary{color:#fff;background:var(--cc-purple)}.primary-nav-button{border:1px solid var(--cc-navy);border-radius:3px;padding:13px 20px}.primary-nav-button:hover,.button--primary:hover{background:var(--cc-purple-dark)}.dot-field{background-color:var(--cc-cream);background-image:radial-gradient(#10162f57 .7px,#0000 .7px);background-size:4px 4px}.home-hero,.subject-hero{padding:48px clamp(24px,7vw,122px) 0}.home-hero__card,.subject-hero__card{background:var(--cc-cream);border:1px solid var(--cc-soft-line);grid-template-columns:1.15fr .85fr;gap:58px;width:min(1100px,100%);margin:0 auto;padding:clamp(32px,4vw,54px);display:grid}.home-hero__copy,.subject-summary{flex-direction:column;align-items:flex-start;display:flex}.pill{font-family:var(--font-mono);align-items:center;gap:9px;font-size:14px;display:inline-flex}.pill b{color:#fff;background:var(--cc-navy);border-radius:14px;padding:4px 9px;font-size:12px}.home-hero h1,.subject-summary h1{letter-spacing:-.055em;max-width:720px;margin:22px 0 20px;font-size:clamp(42px,5vw,66px);line-height:1.03}.home-hero__copy>p,.subject-summary>p{color:#252a43;max-width:640px;margin:0;font-size:clamp(16px,1.6vw,20px);line-height:1.55}.button-row,.subject-cta-row{flex-wrap:wrap;align-items:center;gap:18px;margin-top:34px;display:flex}.button{border:1px solid var(--cc-navy);cursor:pointer;border-radius:3px;justify-content:center;align-items:center;min-height:50px;padding:12px 24px;font-size:14px;font-weight:760;display:inline-flex}.button--outline{background:0 0}.button--outline:hover{background:#fff}.includes-panel{background:var(--cc-cream);border:1px solid var(--cc-navy);align-self:center;padding:26px;box-shadow:8px 8px #10162f12}.includes-panel h2{letter-spacing:-.03em;margin:0 0 12px;font-size:21px}.includes-panel ul{margin:0;padding:0;list-style:none}.includes-panel li{border-top:1px solid #10162f8c;align-items:center;gap:14px;padding:16px 0;font-size:14px;font-weight:590;display:flex}.feature-symbol{width:24px;color:var(--cc-purple);font-family:var(--font-mono);text-align:center;font-size:24px}.home-stats,.subject-stats{background:var(--cc-cream);border:1px solid var(--cc-navy);grid-template-columns:repeat(4,1fr);width:min(1100px,100%);margin:44px auto 0;display:grid;transform:translateY(28px)}.home-stats>div,.subject-stats>div{border-right:1px solid #10162f47;grid-template-rows:auto auto;grid-template-columns:42px 1fr;align-content:center;column-gap:12px;min-height:112px;padding:18px 24px;display:grid}.home-stats>div:last-child,.subject-stats>div:last-child{border-right:0}.stat-symbol{font-family:var(--font-mono);grid-row:1/span 2;align-self:center;font-size:30px}.home-stats small,.subject-stats small{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:11px}.home-stats strong,.subject-stats strong{margin-top:4px;font-size:16px}.section-shell{width:min(1200px,100% - 48px);margin:0 auto}.home-catalog-preview{padding-top:118px}.section-heading-row,.page-title-row{justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px;display:flex}.section-eyebrow{color:var(--cc-purple);font-family:var(--font-mono);letter-spacing:.1em;margin-bottom:12px;font-size:12px;font-weight:750;display:block}.section-heading-row h2,.next-step-section h2,.practice-subjects h2,.progress-table-section h2{letter-spacing:-.05em;margin:0;font-size:clamp(30px,4vw,46px)}.text-link,.inline-action{color:var(--cc-purple);font-size:14px;font-weight:750}.course-grid{gap:30px;display:grid}.course-grid--three{grid-template-columns:repeat(3,1fr)}.course-card{min-height:300px;color:var(--cc-navy);border:1px solid var(--cc-navy);background:#fff;flex-direction:column;transition:transform .14s,box-shadow .14s;display:flex}.course-card:hover{box-shadow:8px 8px 0 var(--cc-navy);transform:translate(-4px,-4px)}.course-card__label{background:var(--cc-lime);font-family:var(--font-mono);border-bottom:1px solid #10162f59;padding:8px 14px;font-size:12px;font-weight:650}.tone-yellow .course-card__label,.tone-yellow.mode-card,.tone-yellow.resource-card{background:var(--cc-yellow)}.tone-lavender .course-card__label,.tone-lavender.mode-card,.tone-lavender.resource-card,.tone-lavender.planner-task{background:var(--cc-lavender)}.tone-coral .course-card__label,.tone-coral.mode-card,.tone-coral.resource-card{background:var(--cc-coral)}.tone-aqua .course-card__label,.tone-aqua.mode-card,.tone-aqua.resource-card{background:var(--cc-aqua)}.tone-peach .course-card__label,.tone-peach.mode-card,.tone-peach.resource-card{background:var(--cc-peach)}.tone-lime.mode-card,.tone-lime.resource-card,.tone-lime.planner-task{background:var(--cc-lime)}.course-card__body{flex:1;padding:18px 16px}.course-card__body h3{letter-spacing:-.035em;margin:0 0 12px;font-size:20px}.course-card__body p{color:#292e45;margin:0;font-size:14px;line-height:1.55}.course-card__meta{font-family:var(--font-mono);border-top:1px dotted #10162fa6;justify-content:space-between;align-items:center;gap:16px;margin:0 16px;padding:12px 0;font-size:11px;display:flex}.course-card__meta span{align-items:center;gap:8px;display:flex}.course-card__meta-label{color:#5d6276;letter-spacing:.08em;text-transform:uppercase;font-size:9px;font-weight:800}.next-step-section{grid-template-columns:.75fr 1.25fr;gap:70px;padding:100px 0;display:grid}.next-step-card{border:1px solid var(--cc-navy);background:#fff;grid-template-columns:58px 1fr auto;align-items:center;gap:22px;padding:26px;display:grid}.next-step-card>span{font-family:var(--font-mono);font-size:28px;font-weight:750}.next-step-card strong{font-size:17px}.next-step-card p{color:var(--cc-muted);margin:7px 0 0;font-size:13px;line-height:1.5}.next-step-card a{color:var(--cc-purple);font-size:13px;font-weight:750}.option-mini-list{border:1px solid var(--cc-navy);background:#fff}.option-mini-list a{border-bottom:1px solid var(--cc-navy);grid-template-columns:1fr 130px 24px;align-items:center;gap:18px;padding:18px 20px;display:grid}.option-mini-list a:last-child{border-bottom:0}.option-mini-list a:hover{background:var(--cc-lavender)}.option-mini-list span{font-weight:750}.option-mini-list small{color:var(--cc-muted);font-family:var(--font-mono);font-size:10px}.option-mini-list b{color:var(--cc-purple)}.home-method-band{background:var(--cc-lime);border-top:1px solid var(--cc-navy);justify-content:space-between;align-items:center;gap:50px;padding:60px clamp(24px,7vw,122px);display:flex}.home-method-band>div:first-child{max-width:720px}.home-method-band h2{letter-spacing:-.055em;margin:0 0 12px;font-size:clamp(34px,4vw,50px)}.home-method-band p{margin:0;font-size:14px;line-height:1.55}.home-method-actions{flex-wrap:wrap;gap:14px;display:flex}.site-footer{color:#fff;background:var(--cc-navy);align-items:center;gap:30px;padding:34px clamp(24px,7vw,122px);display:flex}.site-logo--footer,.site-logo--footer span{color:#fff}.site-footer p{color:#c4c7d4;margin:0;font-size:12px}.catalog-shell{grid-template-columns:290px minmax(0,1fr);gap:38px;min-height:calc(100vh - 80px);padding:30px clamp(24px,7vw,122px) 70px;display:grid}.catalog-filters{border-right:1px solid #cdbfb5;padding:25px 24px 0 0}.filters-title{align-items:center;gap:10px;margin-bottom:24px;display:flex}.filters-title strong{font-size:20px}.filters-title button{color:var(--cc-purple);cursor:pointer;background:0 0;border:0;margin-left:auto;padding:0;font-size:12px}.filter-bars{font-family:var(--font-mono);font-size:26px;transform:rotate(180deg)}.catalog-filters fieldset,.catalog-mobile-filters fieldset{border:0;border-bottom:1px solid #cdbfb5;gap:13px;margin:0;padding:20px 0 24px;display:grid}.catalog-filters legend,.catalog-mobile-filters legend{margin-bottom:15px;font-size:13px;font-weight:750}.catalog-filters label,.catalog-mobile-filters label{align-items:center;gap:10px;font-size:13px;display:flex}.catalog-filters input[type=checkbox],.catalog-mobile-filters input[type=checkbox]{-webkit-appearance:none;appearance:none;border:2px solid var(--cc-navy);cursor:pointer;border-radius:3px;width:22px;height:22px}.catalog-filters input[type=checkbox]:checked,.catalog-mobile-filters input[type=checkbox]:checked{background:var(--cc-purple);box-shadow:inset 0 0 0 4px var(--cc-cream)}.catalog-content{min-width:0}.catalog-toolbar{justify-content:space-between;align-items:center;gap:24px;margin-bottom:18px;display:flex}.catalog-toolbar h1{letter-spacing:-.04em;margin:0;font-size:24px}.catalog-toolbar h1 span{font-family:var(--font-mono);margin-left:8px;font-size:13px;font-weight:450}.catalog-toolbar select{min-width:190px;color:var(--cc-navy);background:var(--cc-cream);border:1px solid var(--cc-navy);border-radius:3px;padding:10px 38px 10px 12px}.catalog-search{border:1px solid var(--cc-navy);background:#fff;align-items:center;gap:10px;margin-bottom:20px;padding:11px 14px;display:flex}.catalog-search span{font-family:var(--font-mono);font-size:24px}.catalog-search input{border:0;outline:0;width:100%;font-size:14px}.course-grid--catalog{grid-template-columns:repeat(3,minmax(0,1fr))}.course-grid--catalog .course-card{min-height:300px}.catalog-group+.catalog-group{border-top:1px solid var(--cc-navy);margin-top:68px;padding-top:50px}.catalog-group__heading{align-items:flex-start;gap:18px;margin-bottom:22px;display:flex}.catalog-group__heading>span{color:#fff;background:var(--cc-navy);font-family:var(--font-mono);border-radius:50%;padding:6px 8px;font-size:10px}.catalog-group__heading h2{letter-spacing:-.04em;margin:0 0 6px;font-size:25px}.catalog-group__heading p{color:var(--cc-muted);margin:0;font-size:12px}.subject-hero{padding-top:48px}.subject-summary h1{max-width:640px}.enrolment{color:var(--cc-muted);align-items:center;gap:10px;font-size:12px;font-weight:650;display:flex}.avatar-stack{background:radial-gradient(circle at 11px 11px, var(--cc-purple) 0 9px, white 9px 11px, transparent 11px), radial-gradient(circle at 27px 11px, var(--cc-yellow) 0 9px, white 9px 11px, transparent 11px);width:42px;height:22px;display:inline-block}.subject-body{padding:90px 0 100px}.about-grid{grid-template-columns:1.2fr .8fr;gap:90px;margin-bottom:70px;display:grid}.about-grid h2{margin:0 0 16px;font-size:23px}.about-grid p{margin:0 0 18px;font-size:15px;line-height:1.65}.inline-action{cursor:pointer;background:0 0;border:0;padding:0}.skills-list{gap:15px;margin:0;padding:0;list-style:none;display:grid}.skills-list li{gap:12px;font-size:14px;font-weight:620;display:flex}.skills-list span{color:var(--cc-purple);font-weight:850}.exam-format-section{margin-bottom:70px}.cycle-badge{background:var(--cc-yellow);border:1px solid var(--cc-navy);font-family:var(--font-mono);padding:9px 12px;font-size:10px;font-weight:750}.exam-format-grid{border:1px solid var(--cc-navy);background:#fff;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.exam-format-grid article{border-right:1px solid var(--cc-navy);flex-direction:column;min-height:240px;padding:22px;display:flex}.exam-format-grid article:last-child{border-right:0}.exam-format-grid article>span{color:var(--cc-purple);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:750}.exam-format-grid article>strong{letter-spacing:-.04em;margin-top:32px;font-size:28px}.exam-format-grid article>small{font-family:var(--font-mono);margin-top:4px;font-size:10px}.exam-format-grid ul{border-top:1px dotted var(--cc-navy);gap:6px;margin:auto 0 0;padding:18px 0 0 18px;font-size:12px;line-height:1.45;display:grid}.exam-format-grid p{background:var(--cc-yellow);margin:14px 0 0;padding:10px;font-size:11px;line-height:1.45}.syllabus-box{border:1px solid var(--cc-navy);background:#fff}.syllabus-heading{border-bottom:1px solid var(--cc-navy);justify-content:space-between;align-items:center;gap:24px;padding:28px 24px;display:flex}.syllabus-heading h2{margin:0 0 7px;font-size:22px}.syllabus-heading p{margin:0;font-size:13px}.syllabus-heading>span{color:var(--cc-purple);font-size:13px;font-weight:750}.syllabus-module{border-bottom:1px solid var(--cc-navy)}.syllabus-module:last-child{border-bottom:0}.syllabus-module summary{cursor:pointer;grid-template-columns:42px 1fr auto;align-items:center;gap:16px;padding:20px 24px;list-style:none;display:grid}.syllabus-module summary::-webkit-details-marker{display:none}.module-number{color:#fff;background:var(--cc-navy);width:32px;height:32px;font-family:var(--font-mono);border-radius:50%;place-items:center;font-weight:750;display:grid}.syllabus-module summary strong,.syllabus-module summary small{display:block}.syllabus-module summary strong{font-size:16px}.syllabus-module summary small{color:var(--cc-muted);margin-top:5px;font-size:12px}.module-toggle{font-family:var(--font-mono);font-size:25px;transition:transform .16s}.syllabus-module[open] .module-toggle{transform:rotate(180deg)}.module-details{background:var(--cc-cream);font-family:var(--font-mono);border-top:1px dotted #10162f80;flex-wrap:wrap;align-items:center;gap:20px;padding:16px 24px 20px 82px;font-size:11px;display:flex}.module-details a{color:var(--cc-purple);font-family:var(--font-sans);margin-left:auto;font-size:13px;font-weight:750}.subject-sources-section{border-top:1px solid var(--cc-navy);grid-template-columns:.8fr 1.2fr;gap:70px;margin-top:70px;padding-top:70px;display:grid}.subject-sources-section h2{letter-spacing:-.045em;margin:0 0 12px;font-size:32px}.subject-sources-section p{color:var(--cc-muted);margin:0;font-size:14px;line-height:1.55}.lesson-workspace{min-height:100vh;color:var(--cc-navy);background:#fff;grid-template-columns:250px minmax(340px,.85fr) minmax(420px,1.15fr);display:grid}.lesson-sidebar{color:#fff;background:var(--cc-navy);border-right:1px solid var(--cc-navy);flex-direction:column;padding:26px 22px;display:flex}.lesson-course-name{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:12px;font-weight:750}.lesson-module-name{color:#c9ccdb;margin-top:12px;font-size:13px;line-height:1.5}.lesson-step-list{gap:0;margin:42px 0;padding:0;list-style:none;display:grid}.lesson-step-list li{color:#aeb2c4;align-items:center;gap:12px;min-height:58px;font-size:13px;display:flex;position:relative}.lesson-step-list li:before{content:"";background:#464b64;width:1px;height:30px;position:absolute;top:43px;left:14px}.lesson-step-list li:last-child:before{display:none}.lesson-step-list li span{z-index:1;background:var(--cc-navy);width:29px;height:29px;font-family:var(--font-mono);border:1px solid #6f748b;border-radius:50%;place-items:center;font-size:11px;display:grid;position:relative}.lesson-step-list .is-done{color:var(--cc-lime)}.lesson-step-list .is-done span{color:var(--cc-navy);background:var(--cc-lime);border-color:var(--cc-lime)}.lesson-step-list .is-active{color:#fff;font-weight:750}.lesson-step-list .is-active span{color:var(--cc-navy);background:var(--cc-yellow);border-color:var(--cc-yellow)}.lesson-exit{color:#c9ccdb;margin-top:auto;font-size:12px}.lesson-instructions{border-right:1px solid var(--cc-navy);padding:54px clamp(28px,4vw,66px);overflow-y:auto}.lesson-kicker{color:var(--cc-purple);font-family:var(--font-mono);letter-spacing:.09em;font-size:11px;font-weight:750}.lesson-instructions h1{letter-spacing:-.055em;margin:16px 0 20px;font-size:clamp(38px,4vw,54px)}.lesson-lead,.lesson-instructions>p{color:#34384e;font-size:15px;line-height:1.7}.lesson-note{background:var(--cc-lime);border:1px solid var(--cc-navy);margin:32px 0;padding:22px}.lesson-note strong{font-size:14px}.lesson-note p{margin:9px 0 0;font-size:13px;line-height:1.55}.lesson-instructions h2{margin:34px 0 12px;font-size:22px}.lesson-pagination{justify-content:space-between;gap:16px;margin-top:46px;display:flex}.lesson-pagination button{border:1px solid var(--cc-navy);cursor:pointer;background:#fff;padding:11px 16px}.lesson-pagination button:last-child{color:#fff;background:var(--cc-purple)}.answer-panel{color:#fff;background:#181d38;flex-direction:column;padding:0 26px 26px;display:flex}.answer-panel__top{font-family:var(--font-mono);background:#242a49;border-bottom:1px solid #4c526d;justify-content:space-between;margin:0 -26px;padding:18px 26px;font-size:11px;display:flex}.answer-panel__top span:last-child{color:#a9adc0}.answer-prompt{gap:16px;margin:46px 0 24px;display:flex}.answer-number{color:var(--cc-yellow);font-family:var(--font-mono);font-size:13px}.answer-prompt p{color:#e6e7ee;margin:0;font-size:16px;line-height:1.55}.answer-panel textarea{resize:vertical;color:#f7f7fb;min-height:190px;font-family:var(--font-mono);background:#0d1125;border:1px solid #6b7087;padding:18px;font-size:14px;line-height:1.6}.answer-panel textarea::placeholder{color:#74798f}.answer-feedback{color:var(--cc-navy);background:var(--cc-lime);gap:5px;margin-top:16px;padding:14px;font-size:12px;display:grid}.answer-submit{color:var(--cc-navy);background:var(--cc-yellow);border:1px solid var(--cc-navy);cursor:pointer;align-self:flex-end;margin-top:auto;padding:13px 20px;font-weight:800}.answer-submit:disabled,.complete-button:disabled{color:#777b8d;cursor:not-allowed;background:#3b405a}.page-section{padding-top:64px;padding-bottom:100px}.page-title-row{align-items:center;margin-bottom:46px}.page-title-row h1{letter-spacing:-.06em;margin:0 0 12px;font-size:clamp(44px,6vw,72px)}.page-title-row p{max-width:650px;color:var(--cc-muted);margin:0;font-size:16px;line-height:1.6}.score-chip{background:var(--cc-lime);border:1px solid var(--cc-navy);min-width:150px;padding:18px}.score-chip span,.score-chip strong{display:block}.score-chip span{font-family:var(--font-mono);text-transform:uppercase;font-size:10px}.score-chip strong{margin-top:5px;font-size:30px}.mode-grid{grid-template-columns:repeat(3,1fr);gap:26px;display:grid}.mode-card{border:1px solid var(--cc-navy);flex-direction:column;min-height:360px;padding:24px;display:flex}.mode-index{font-family:var(--font-mono);align-self:flex-end;font-size:26px}.mode-card small{font-family:var(--font-mono);letter-spacing:.08em;font-size:10px}.mode-card h2{letter-spacing:-.045em;margin:45px 0 14px;font-size:28px}.mode-card p{margin:0;font-size:14px;line-height:1.55}.mode-footer{border-top:1px dotted var(--cc-navy);font-family:var(--font-mono);justify-content:space-between;align-items:center;margin-top:auto;padding-top:18px;font-size:11px;display:flex}.mode-footer button,.mode-footer a,.resource-card button{color:var(--cc-purple);font-family:var(--font-sans);cursor:pointer;background:0 0;border:0;padding:0;font-size:13px;font-weight:800}.practice-subjects,.progress-table-section{margin-top:90px}.practice-list{border:1px solid var(--cc-navy);background:#fff}.practice-list a{border-bottom:1px solid var(--cc-navy);grid-template-columns:1fr 180px 30px;gap:20px;padding:20px 22px;display:grid}.practice-list a:last-child{border-bottom:0}.practice-list a:hover{background:var(--cc-lime)}.practice-list span{font-weight:750}.practice-list small{color:var(--cc-muted)}.practice-list b{color:var(--cc-purple)}.progress-stats{border:1px solid var(--cc-navy);background:#fff;grid-template-columns:1.5fr repeat(3,1fr);display:grid}.progress-stats>div{border-right:1px solid var(--cc-navy);flex-direction:column;min-height:185px;padding:24px;display:flex}.progress-stats>div:last-child{border-right:0}.progress-stats span{font-family:var(--font-mono);text-transform:uppercase;font-size:11px}.progress-stats strong{margin-top:24px;font-size:36px}.progress-stats strong small{font-size:18px}.progress-stats>div>small{color:var(--cc-muted);margin-top:auto;font-size:11px;line-height:1.4}.big-progress{background:var(--cc-lime)}.progress-bar,.row-progress i{background:#10162f2e;height:8px;display:block;overflow:hidden}.progress-bar{margin-top:auto}.progress-bar i,.row-progress b{background:var(--cc-purple);height:100%;display:block}.progress-table{border:1px solid var(--cc-navy);background:#fff}.progress-table__head,.progress-table__row{grid-template-columns:1.4fr .6fr 1fr .6fr;align-items:center;gap:20px;padding:16px 20px;display:grid}.progress-table__head{color:#fff;background:var(--cc-navy);font-family:var(--font-mono);text-transform:uppercase;font-size:10px}.progress-table__row{border-bottom:1px solid var(--cc-navy);min-height:68px;font-size:13px}.progress-table__row:last-child{border-bottom:0}.progress-table__row a{color:var(--cc-purple);font-weight:750}.planner-toolbar{border:1px solid var(--cc-navy);background:#fff;align-items:center;gap:16px;margin-bottom:18px;padding:14px 18px;display:flex}.planner-toolbar button{background:var(--cc-cream);border:1px solid var(--cc-navy);cursor:pointer;width:32px;height:32px}.planner-toolbar span{font-family:var(--font-mono);margin-left:auto;font-size:11px}.week-board{border:1px solid var(--cc-navy);background:#fff;grid-template-columns:repeat(5,minmax(0,1fr));display:grid}.day-column{border-right:1px solid var(--cc-navy);min-height:520px}.day-column:last-child{border-right:0}.day-column header{border-bottom:1px solid var(--cc-navy);padding:16px}.day-column header span,.day-column header strong{display:block}.day-column header span{font-family:var(--font-mono);text-transform:uppercase;font-size:10px}.day-column header strong{margin-top:5px;font-size:14px}.day-tasks{gap:12px;padding:14px;display:grid}.planner-task{border:1px solid var(--cc-navy);flex-direction:column;min-height:115px;padding:13px;display:flex}.planner-task small{font-family:var(--font-mono);font-size:10px}.planner-task strong{margin-top:16px;font-size:13px}.planner-task span{margin-top:4px;font-size:11px}.empty-day{min-height:90px;color:var(--cc-purple);border:1px dashed var(--cc-navy);cursor:pointer;background:0 0}.resource-layout{grid-template-columns:250px 1fr;gap:38px;display:grid}.resource-sidebar{border-right:1px solid var(--cc-soft-line);flex-direction:column;align-items:flex-start;gap:14px;padding-right:30px;display:flex}.resource-sidebar strong{margin-bottom:10px;font-size:18px}.resource-sidebar a{font-size:13px}.resource-sidebar a:hover{color:var(--cc-purple)}.resource-grid{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.resource-card{border:1px solid var(--cc-navy);flex-direction:column;min-height:260px;padding:22px;display:flex}.resource-card>span{font-family:var(--font-mono);text-transform:uppercase;font-size:10px}.resource-card h2{letter-spacing:-.04em;margin:36px 0 12px;font-size:24px}.resource-card p{margin:0;font-size:13px;line-height:1.55}.resource-card>div{border-top:1px dotted var(--cc-navy);justify-content:space-between;margin-top:auto;padding-top:14px;display:flex}.resource-card small{font-family:var(--font-mono);font-size:10px}.not-found{place-content:center;justify-items:start;min-height:calc(100vh - 80px);padding:48px;display:grid}.not-found>span{font-family:var(--font-mono);color:var(--cc-purple);font-size:14px}.not-found h1{letter-spacing:-.06em;max-width:680px;margin:18px 0;font-size:clamp(42px,6vw,70px);line-height:1}.not-found p{color:var(--cc-muted);margin:0 0 28px}@media (max-width:1100px){.site-header{gap:24px}.site-nav{gap:17px}.site-actions{gap:14px}.course-grid--catalog,.course-grid--three{grid-template-columns:repeat(2,1fr)}.lesson-workspace{grid-template-columns:210px minmax(320px,.9fr) minmax(360px,1.1fr)}.week-board{grid-template-columns:repeat(5,minmax(190px,1fr));overflow-x:auto}}@media (max-width:860px){.promo-bar{justify-content:flex-start;gap:14px;font-size:11px}.promo-clock,.promo-bar a{display:none}.site-header{flex-wrap:wrap;padding-top:16px;padding-bottom:16px}.site-nav{border-top:1px solid var(--cc-soft-line);flex-wrap:wrap;order:3;row-gap:0;width:100%;padding-top:12px;overflow-x:visible}.site-actions{margin-left:auto}.login-link,.search-link{display:none}.home-hero__card,.subject-hero__card{grid-template-columns:1fr}.home-stats,.subject-stats{grid-template-columns:repeat(2,1fr)}.home-stats>div:nth-child(2),.subject-stats>div:nth-child(2){border-right:0}.home-stats>div:nth-child(-n+2),.subject-stats>div:nth-child(-n+2){border-bottom:1px solid #10162f47}.next-step-section,.about-grid{grid-template-columns:1fr;gap:32px}.home-method-band{flex-direction:column;align-items:flex-start}.catalog-shell{grid-template-columns:1fr}.catalog-filters{display:none}.lesson-workspace{grid-template-columns:190px 1fr}.answer-panel{grid-column:1/-1;min-height:520px}.mode-grid{grid-template-columns:1fr}.progress-stats{grid-template-columns:repeat(2,1fr)}.progress-stats>div:nth-child(2){border-right:0}.progress-stats>div:nth-child(-n+2){border-bottom:1px solid var(--cc-navy)}.resource-layout,.verified-resource-layout,.subject-sources-section{grid-template-columns:1fr}.resource-sidebar{border-right:0;border-bottom:1px solid var(--cc-soft-line);flex-flow:wrap;padding:0 0 20px}}@media (max-width:620px){.site-header{padding-inline:18px}.site-nav{gap:20px;font-size:12px}.primary-nav-button{padding:10px 13px;font-size:12px}.home-hero,.subject-hero{padding:24px 14px 0}.home-hero__card,.subject-hero__card{padding:26px 22px}.home-hero h1,.subject-summary h1{font-size:40px}.button{width:100%}.includes-panel{box-shadow:5px 5px #10162f12}.home-stats,.subject-stats{transform:translateY(20px)}.home-stats>div,.subject-stats>div{min-height:95px;padding:14px}.home-stats strong,.subject-stats strong{font-size:13px}.section-shell{width:min(100% - 28px,1200px)}.home-catalog-preview{padding-top:80px}.course-grid--three,.course-grid--catalog{grid-template-columns:1fr}.section-heading-row,.page-title-row{flex-direction:column;align-items:flex-start}.next-step-card{grid-template-columns:42px 1fr}.next-step-card a{grid-column:2}.option-mini-list a{grid-template-columns:1fr 24px}.option-mini-list small{display:none}.catalog-shell{padding-inline:14px}.catalog-toolbar{flex-direction:column;align-items:flex-start}.catalog-toolbar select{width:100%}.about-grid{gap:46px}.exam-format-grid{grid-template-columns:1fr}.exam-format-grid article{border-right:0;border-bottom:1px solid var(--cc-navy)}.exam-format-grid article:last-child{border-bottom:0}.syllabus-heading{flex-direction:column;align-items:flex-start}.syllabus-module summary{grid-template-columns:34px 1fr auto;padding:17px 14px}.module-details{padding-left:62px}.lesson-workspace{display:block}.lesson-sidebar{min-height:260px}.lesson-step-list{grid-template-columns:repeat(4,1fr);margin:28px 0}.lesson-step-list li{flex-direction:column;align-items:flex-start;font-size:10px}.lesson-step-list li:before{width:calc(100% - 12px);height:1px;top:14px;left:29px}.lesson-instructions{border-right:0}.answer-panel{min-height:560px}.practice-list a{grid-template-columns:1fr 24px}.practice-list small{display:none}.progress-stats{grid-template-columns:1fr}.progress-stats>div{border-right:0;border-bottom:1px solid var(--cc-navy)}.progress-table{overflow-x:auto}.progress-table__head,.progress-table__row{min-width:680px}.resource-grid{grid-template-columns:1fr}.site-footer{flex-direction:column;align-items:flex-start}}.provenance-label{font-family:var(--font-mono);letter-spacing:.08em;margin:18px 0 10px;padding:6px 8px;font-size:9px;font-weight:750;display:inline-block}.provenance-label--official{color:var(--cc-navy);background:var(--cc-yellow)}.provenance-label--original{color:var(--cc-purple);background:var(--cc-lavender)}.lesson-phase-card,.lesson-action-card{background:var(--cc-lime);border:1px solid var(--cc-navy);flex-direction:column;gap:14px;margin-top:48px;padding:28px;display:flex}.lesson-phase-card h2,.lesson-action-card h2{letter-spacing:-.045em;margin:0;font-size:28px}.lesson-phase-card p,.lesson-action-card p{color:#30354b;margin:0;font-size:14px;line-height:1.6}.lesson-phase-card .button{align-self:flex-start;margin-top:8px}.lesson-phase-card--complete,.lesson-action-card--complete{background:var(--cc-yellow)}.answer-stage{flex-direction:column;flex:1;gap:18px;padding-top:30px;display:flex}.answer-stage .answer-prompt{margin-top:0}.answer-stage textarea{min-height:190px}.answer-stage .answer-submit,.answer-stage .complete-button{align-self:flex-end;margin-top:auto}.answer-materials{gap:10px;max-height:42vh;padding-right:4px;display:grid;overflow-y:auto}.answer-materials__heading{color:var(--cc-yellow);font-family:var(--font-mono);letter-spacing:.08em;justify-content:space-between;font-size:9px;display:flex}.answer-materials__heading small{color:#a9adc0;font:inherit}.answer-materials__provenance{color:#c9ccdb;margin:-2px 0 0;font-size:11px;line-height:1.45}.answer-materials article{background:#242a49;border:1px solid #5d637d;gap:8px;padding:14px;display:grid}.answer-materials article>.answer-materials__provenance-badge{width:fit-content;color:var(--cc-navy);background:var(--cc-yellow);border:1px solid var(--cc-navy);font-family:var(--font-mono);letter-spacing:.04em;justify-self:start;padding:5px 7px;font-size:9px;font-weight:800}.answer-materials article>.answer-materials__label{color:var(--cc-yellow);font-family:var(--font-mono);letter-spacing:.08em;font-size:9px;font-weight:750}.answer-materials article>strong{font-size:13px}.answer-materials article>img{object-fit:contain;background:#fff;border:1px solid #6b7087;width:100%;max-height:240px}.answer-materials article>p{color:#d9dbea;white-space:pre-line;margin:0;font-size:11px;line-height:1.55}.answer-feedback{color:#e6e7ee;background:#242a49;border:1px solid #5d637d}.answer-feedback strong{font-size:18px}.answer-feedback ul{margin:8px 0 0}.answer-feedback details{color:#fff}.answer-feedback summary{cursor:pointer}.answer-feedback details p{color:#d9dbea}.answer-feedback__section{background:#181d38;border:1px solid #5d637d;gap:8px;padding:14px;display:grid}.answer-feedback__section>strong{color:var(--cc-yellow);font-size:14px}.answer-feedback__section ul{margin:0}.answer-feedback__note,.answer-feedback__missing{color:#c9ccdb;margin:0;font-size:12px;line-height:1.55}.answer-correction{gap:8px;display:grid}.answer-correction p{color:#d9dbea;white-space:pre-wrap;margin:0;font-size:13px;line-height:1.6}.answer-feedback__figure{gap:8px;margin:4px 0 0;display:grid}.answer-feedback__figure img{object-fit:contain;background:#fff;border:1px solid #6b7087;width:100%;max-height:300px}.answer-feedback__figure figcaption{color:#c9ccdb;font-family:var(--font-mono);font-size:10px;line-height:1.4}.answer-length-note{color:#c9ccdb;margin:0;font-size:11px;line-height:1.45}.lesson-action-card .button{align-self:flex-start}.option-selection{background:var(--cc-yellow);border:1px solid var(--cc-navy);grid-template-columns:minmax(0,1fr) 260px;align-items:end;gap:12px 30px;margin:34px 0 28px;padding:22px 24px;display:grid}.option-selection h2{letter-spacing:-.04em;margin:0 0 8px;font-size:23px}.option-selection p{color:#30354b;margin:0;font-size:13px;line-height:1.5}.option-selection label{font-family:var(--font-mono);text-transform:uppercase;font-size:10px;font-weight:750}.option-selection select{width:100%;min-height:44px;color:var(--cc-navy);border:1px solid var(--cc-navy);background:#fff;padding:10px}.option-selection__status{grid-column:1/-1}.progress-scope{color:var(--cc-muted);font-family:var(--font-mono);font-size:10px}.progress-table-wrapper{border:1px solid var(--cc-navy);background:#fff;overflow-x:auto}.progress-table{border-collapse:collapse;border:0;width:100%;min-width:680px}.progress-table th,.progress-table td{border-bottom:1px solid var(--cc-navy);text-align:left;padding:16px 20px;font-size:13px}.progress-table thead th{color:#fff;background:var(--cc-navy);font-family:var(--font-mono);text-transform:uppercase;font-size:10px;font-weight:500}.progress-table tbody tr:last-child th,.progress-table tbody tr:last-child td{border-bottom:0}.progress-table tbody th{font-weight:750}.progress-table a{color:var(--cc-purple);font-weight:750}.progress-bar span,.row-progress>span:first-child{background:var(--cc-purple);height:100%;display:block}.row-progress{font-family:var(--font-mono);grid-template-columns:minmax(90px,1fr) 40px;align-items:center;gap:10px;font-size:10px;display:grid}.row-progress>span:first-child{background:#10162f2e;height:8px;overflow:hidden}.row-progress b{background:var(--cc-purple);height:100%;display:block}.catalog-result-count{color:var(--cc-muted);font-family:var(--font-mono);margin:12px 0 18px;font-size:11px}.catalog-empty{text-align:center;border:1px solid var(--cc-navy);background:#fff;padding:42px 24px}.catalog-empty h2{margin:0 0 20px;font-size:25px}.catalog-empty .button{width:auto}.catalog-filters button{cursor:pointer}.diagnostic-answer{border:0}.diagnostic-answer legend{color:#fff;margin-bottom:18px;font-size:18px;font-weight:750}.diagnostic-rating-options{gap:12px;margin-top:auto;display:grid}.diagnostic-rating-options button{color:#fff;text-align:left;cursor:pointer;background:#242a49;border:1px solid #747a92;gap:5px;padding:17px;display:grid}.diagnostic-rating-options button:hover{background:var(--cc-purple-dark);border-color:#fff}.diagnostic-rating-options strong{font-size:15px}.diagnostic-rating-options span{color:#d4d7e2;font-size:12px;line-height:1.4}.diagnostic-answer-note{color:#c9ccdb;margin:20px 0 0;font-size:11px;line-height:1.5}.diagnostic-result-list{border:1px solid var(--cc-navy);background:#fff;margin:36px 0 20px}.diagnostic-selection-note{margin:0 0 22px}.diagnostic-result-list article span{text-align:right;max-width:55%}@media (max-width:860px){.catalog-filters{border-bottom:1px solid #cdbfb5;border-right:0;padding:20px 0;display:block}.option-selection{grid-template-columns:1fr}.option-selection__status{grid-column:auto}}@media (max-width:620px){.lesson-step-list{grid-template-columns:repeat(5,minmax(0,1fr))}.lesson-step-list li{min-width:0}.lesson-step-list li:before{width:calc(100% - 12px)}.lesson-step-list li span{width:25px;height:25px}.lesson-phase-card,.lesson-action-card{margin-top:28px;padding:22px}.option-selection{padding:18px}.diagnostic-result-list article{flex-direction:column;align-items:flex-start;gap:7px}.diagnostic-result-list article span{text-align:left;max-width:none}}@media (prefers-reduced-motion:reduce){.course-card,.module-toggle{transition:none}}.source-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.source-list a{border:1px solid var(--cc-navy);background:#fff;flex-direction:column;min-height:118px;padding:17px;display:flex}.source-list a:hover{box-shadow:5px 5px 0 var(--cc-navy)}.source-list span{color:var(--cc-purple);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:9px;font-weight:750}.source-list strong{margin:9px 0;font-size:13px;line-height:1.35}.source-list small{color:var(--cc-muted);font-family:var(--font-mono);margin-top:auto;font-size:9px}.source-list--compact{grid-template-columns:1fr}.source-list--compact a{min-height:96px}.official-notice{background:var(--cc-yellow);border:1px solid var(--cc-navy);grid-template-columns:150px 1fr;gap:24px;margin-bottom:48px;padding:22px 24px;display:grid}.official-notice strong{font-family:var(--font-mono);text-transform:uppercase;font-size:12px}.official-notice p{margin:0;font-size:13px;line-height:1.55}.verified-resource-layout{grid-template-columns:230px minmax(0,1fr);gap:42px;display:grid}.verified-resource-sections{gap:76px;display:grid}.verified-resource-sections section{scroll-margin-top:30px}.verified-resource-sections h2{letter-spacing:-.045em;margin:0 0 10px;font-size:32px}.verified-resource-sections section>p{max-width:700px;color:var(--cc-muted);margin:0 0 24px;font-size:14px;line-height:1.55}.method-hero{border-bottom:1px solid var(--cc-navy);padding:70px clamp(24px,7vw,122px)}.method-hero>div{background:var(--cc-cream);border:1px solid var(--cc-navy);width:min(1100px,100%);margin:0 auto;padding:clamp(32px,5vw,64px)}.method-hero h1{letter-spacing:-.065em;max-width:800px;margin:14px 0 20px;font-size:clamp(48px,7vw,84px);line-height:.98}.method-hero p{max-width:710px;color:var(--cc-muted);margin:0 0 30px;font-size:18px;line-height:1.6}.method-section{padding:90px 0}.method-section--modes{padding-top:10px}.method-note{max-width:430px;color:var(--cc-muted);margin:0;font-size:14px;line-height:1.55}.learning-loop{border:1px solid var(--cc-navy);background:#fff;grid-template-columns:repeat(5,minmax(0,1fr));display:grid}.learning-loop article{border-right:1px solid var(--cc-navy);min-height:260px;padding:22px}.learning-loop article:last-child{border-right:0}.learning-loop article:nth-child(2){background:var(--cc-lime)}.learning-loop article:nth-child(4){background:var(--cc-lavender)}.learning-loop span{font-family:var(--font-mono);font-size:12px;font-weight:750}.learning-loop h3{letter-spacing:-.04em;margin:58px 0 14px;font-size:23px}.learning-loop p{color:#30354b;margin:0;font-size:13px;line-height:1.55}.method-section .mode-footer a{color:var(--cc-purple);font-family:var(--font-sans);font-size:13px;font-weight:800}.course-content{gap:32px;margin-top:8px;display:grid}.essential-question{background:var(--cc-yellow);border:1px solid var(--cc-navy);box-shadow:6px 6px 0 var(--cc-navy);padding:24px}.essential-question>span,.lesson-plan>span,.lesson-chapter__heading span,.chapter-example>span,.lesson-glossary>span,.exam-focus>span{font-family:var(--font-mono);letter-spacing:.09em;font-size:9px;font-weight:800}.essential-question h2{margin:12px 0 0;font-size:25px;line-height:1.2}.lesson-prerequisites{background:var(--cc-lime);border:1px solid var(--cc-navy);padding:22px}.lesson-prerequisites h2{margin:0 0 8px}.lesson-prerequisites p{color:#34384e;margin:0;font-size:13px;line-height:1.55}.lesson-prerequisites ul{gap:8px;margin:16px 0 0;padding:0;list-style:none;display:grid}.lesson-prerequisites li{padding-left:22px;font-size:13px;line-height:1.45;position:relative}.lesson-prerequisites li:before{content:"□";font-family:var(--font-mono);position:absolute;left:0}.lesson-plan{border:1px solid var(--cc-navy);padding:20px 22px}.lesson-plan ol{gap:8px;margin:14px 0 0;padding:0;list-style:none;display:grid}.lesson-plan a{color:var(--cc-purple);font-size:13px;font-weight:750;line-height:1.4}.lesson-plan a:hover{text-decoration:underline}.lesson-chapter{border-top:1px solid var(--cc-navy);padding-top:8px;scroll-margin-top:24px}.lesson-chapter__heading{justify-content:space-between;align-items:center;padding-top:22px;display:flex}.lesson-chapter__heading span{color:var(--cc-purple)}.lesson-chapter__heading b{color:#10162f33;font-family:var(--font-mono);font-size:28px}.lesson-chapter h2{margin-top:12px;font-size:29px;line-height:1.08}.lesson-chapter>p{color:#34384e;margin:0 0 14px;font-size:14px;line-height:1.7}.chapter-facts{border-left:4px solid var(--cc-purple);background:#f7f7fb;margin-top:20px;padding:20px}.chapter-facts>strong{font-size:13px}.chapter-facts ul{gap:8px;margin:13px 0 0;padding-left:18px;display:grid}.chapter-facts li{color:#34384e;font-size:12px;line-height:1.5}.chapter-example{background:var(--cc-lavender);border:1px solid var(--cc-navy);gap:9px;margin-top:16px;padding:20px;display:grid}.chapter-example>span{color:var(--cc-purple)}.chapter-example>strong{font-size:15px}.chapter-example p{color:#34384e;margin:0;font-size:13px;line-height:1.6}.chapter-checkpoint{border:1px solid var(--cc-navy);margin-top:16px}.chapter-checkpoint summary{cursor:pointer;background:#fff;gap:7px;padding:18px 42px 18px 18px;font-size:13px;font-weight:750;line-height:1.45;display:grid}.chapter-checkpoint summary span{color:var(--cc-purple);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:9px}.chapter-checkpoint>div{background:var(--cc-lime);border-top:1px solid var(--cc-navy);padding:18px}.chapter-checkpoint>div strong{font-size:12px}.chapter-checkpoint>div p{color:#30354b;margin:8px 0 0;font-size:13px;line-height:1.55}.lesson-glossary{border-top:1px solid var(--cc-navy);padding-top:24px}.lesson-glossary>span{color:var(--cc-purple)}.lesson-glossary h2{margin-top:10px}.lesson-glossary dl{border:1px solid var(--cc-navy);grid-template-columns:repeat(2,minmax(0,1fr));margin:18px 0 0;display:grid}.lesson-glossary dl>div{border-right:1px solid var(--cc-navy);border-bottom:1px solid var(--cc-navy);padding:16px}.lesson-glossary dl>div:nth-child(2n){border-right:0}.lesson-glossary dl>div:nth-last-child(-n+2){border-bottom:0}.lesson-glossary dt{font-size:12px;font-weight:800}.lesson-glossary dd{color:#4b5066;margin:7px 0 0;font-size:11px;line-height:1.5}.exam-focus{background:var(--cc-navy);color:#fff;border:1px solid var(--cc-navy);padding:22px}.exam-focus>span{color:var(--cc-yellow)}.exam-focus h2{color:#fff;margin-top:10px}.exam-focus ul{gap:9px;margin:14px 0 0;padding-left:18px;display:grid}.exam-focus li{color:#e2e4ed;font-size:12px;line-height:1.5}.lesson-key-points{gap:12px;margin:18px 0 0;padding:0;list-style:none;display:grid}.lesson-key-points li{color:#30354b;gap:11px;font-size:14px;line-height:1.55;display:flex}.lesson-key-points span{color:var(--cc-purple);font-weight:850}.worked-example{border:1px solid var(--cc-navy);background:#f7f7fb;margin:38px 0 0;padding:24px}.worked-example h2{margin-top:10px}.worked-example p,.worked-example li{color:#34384e;font-size:13px;line-height:1.65}.worked-example ol{gap:8px;padding-left:22px;display:grid}.worked-example>strong{border-top:1px dotted var(--cc-navy);margin-top:18px;padding-top:16px;font-size:13px;line-height:1.55;display:block}.exam-transfer{background:var(--cc-yellow);border:1px solid var(--cc-navy);margin-top:24px;padding:18px 20px}.exam-transfer span,.lesson-sources>span{font-family:var(--font-mono);letter-spacing:.08em;font-size:10px;font-weight:750}.exam-transfer p{color:var(--cc-navy);margin:8px 0 0;font-size:13px;line-height:1.55}.lesson-sources{border-top:1px dotted var(--cc-navy);gap:8px;margin-top:28px;padding-top:20px;display:grid}.lesson-sources a{color:var(--cc-purple);font-size:11px;font-weight:700;line-height:1.4}.hint-button{color:#c9ccdb;cursor:pointer;background:0 0;border:0;border-bottom:1px solid #c9ccdb;align-self:flex-start;margin-top:13px;padding:0;font-size:12px}.answer-hint{color:var(--cc-navy);background:var(--cc-yellow);margin:12px 0 0;padding:13px;font-size:12px;line-height:1.5}.answer-feedback ul{gap:6px;margin:8px 0 12px;padding-left:18px;display:grid}.answer-feedback details{border-top:1px dotted var(--cc-navy);padding-top:10px}.answer-feedback summary{cursor:pointer;font-weight:750}.answer-feedback p{line-height:1.5}.answer-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:12px;margin-top:auto;padding-top:24px;display:flex}.answer-actions .answer-submit{margin-top:0}.complete-button{color:#fff;background:var(--cc-purple);cursor:pointer;border:1px solid #fff;padding:12px 16px;font-weight:750}@media (max-width:1100px){.learning-loop{grid-template-columns:repeat(3,1fr)}.learning-loop article:nth-child(3){border-right:0}.learning-loop article:nth-child(-n+3){border-bottom:1px solid var(--cc-navy)}}@media (max-width:620px){.essential-question{box-shadow:4px 4px 0 var(--cc-navy)}.essential-question h2,.lesson-chapter h2{font-size:24px}.lesson-glossary dl{grid-template-columns:1fr}.lesson-glossary dl>div,.lesson-glossary dl>div:nth-child(2n),.lesson-glossary dl>div:nth-last-child(-n+2){border-right:0;border-bottom:1px solid var(--cc-navy)}.lesson-glossary dl>div:last-child{border-bottom:0}.source-list,.official-notice,.verified-resource-layout{grid-template-columns:1fr}.method-hero{padding:24px 14px}.method-hero>div{padding:28px 22px}.method-hero h1{font-size:46px}.learning-loop{grid-template-columns:1fr}.learning-loop article{border-right:0;border-bottom:1px solid var(--cc-navy);min-height:210px}.learning-loop article:last-child{border-bottom:0}.learning-loop h3{margin-top:36px}}.jury-facts{border:1px solid var(--cc-navy);background:#fff;grid-template-columns:repeat(3,1fr);display:grid}.jury-facts article{border-right:1px solid var(--cc-navy);flex-direction:column;min-height:250px;padding:24px;display:flex}.jury-facts article:last-child{border-right:0}.jury-facts article:nth-child(2){background:var(--cc-lime)}.jury-facts span{font-family:var(--font-mono);letter-spacing:.08em;font-size:10px;font-weight:750}.jury-facts strong{letter-spacing:-.04em;margin-top:56px;font-size:27px}.jury-facts p{margin:auto 0 0;font-size:13px;line-height:1.55}.jury-programme{border-bottom:1px solid var(--cc-navy);grid-template-columns:.8fr 1.2fr;gap:70px;padding:90px 0;display:grid}.jury-programme h2,.jury-sources h2{letter-spacing:-.05em;margin:0 0 14px;font-size:38px}.jury-programme>div:first-child p{color:var(--cc-muted);margin:0;font-size:14px;line-height:1.55}.jury-subject-list{border:1px solid var(--cc-navy);background:#fff}.jury-subject-list div{border-bottom:1px solid var(--cc-navy);justify-content:space-between;align-items:center;gap:20px;padding:18px 20px;display:flex}.jury-subject-list div:last-child{border-bottom:0}.jury-subject-list strong{font-size:14px}.jury-subject-list span{font-family:var(--font-mono);font-size:10px}.jury-choice-grid{border:1px solid var(--cc-navy);background:#fff;grid-template-columns:repeat(2,1fr);display:grid}.jury-choice-grid article{border-right:1px solid var(--cc-navy);border-bottom:1px solid var(--cc-navy);flex-direction:column;justify-content:space-between;min-height:140px;padding:18px;display:flex}.jury-choice-grid article:nth-child(2n){border-right:0}.jury-choice-grid article:nth-last-child(-n+2){border-bottom:0}.jury-choice-grid article:nth-child(2){background:var(--cc-lavender)}.jury-choice-grid article:nth-child(3){background:var(--cc-yellow)}.jury-choice-grid span{font-family:var(--font-mono);font-size:10px}.jury-choice-grid strong{font-size:17px}.jury-cycle-note{background:var(--cc-coral);border:1px solid var(--cc-navy);grid-template-columns:180px 1fr;gap:40px;margin:80px 0;padding:28px;display:grid}.jury-cycle-note>span{font-family:var(--font-mono);font-size:10px;font-weight:750}.jury-cycle-note h2{letter-spacing:-.04em;margin:0 0 10px;font-size:27px}.jury-cycle-note p{margin:0;font-size:13px;line-height:1.55}.jury-sources{grid-template-columns:.6fr 1.4fr;gap:70px;display:grid}@media (max-width:860px){.verified-resource-layout,.jury-programme,.jury-sources{grid-template-columns:1fr}}@media (max-width:620px){.jury-facts{grid-template-columns:1fr}.jury-facts article{border-right:0;border-bottom:1px solid var(--cc-navy)}.jury-facts article:last-child{border-bottom:0}.jury-choice-grid{grid-template-columns:1fr}.jury-choice-grid article{border-right:0;border-bottom:1px solid var(--cc-navy)}.jury-choice-grid article:nth-last-child(2){border-bottom:1px solid var(--cc-navy)}.jury-cycle-note{grid-template-columns:1fr}}.diagnostic-runner{border:1px solid var(--cc-navy);background:#fff}.diagnostic-runner>header{color:#fff;background:var(--cc-navy);grid-template-columns:230px 1fr;align-items:center;gap:30px;padding:18px 22px;display:grid}.diagnostic-runner>header span,.diagnostic-runner>header strong{display:block}.diagnostic-runner>header span{color:#b9bdcc;font-family:var(--font-mono);font-size:9px}.diagnostic-runner>header strong{margin-top:4px;font-size:14px}.diagnostic-progress{background:#3d425d;height:8px;overflow:hidden}.diagnostic-progress i{background:var(--cc-yellow);height:100%;display:block}.diagnostic-grid{grid-template-columns:.85fr 1.15fr;min-height:620px;display:grid}.diagnostic-question{background:var(--cc-cream);border-right:1px solid var(--cc-navy);padding:54px}.diagnostic-question h1{letter-spacing:-.05em;margin:18px 0 34px;font-size:clamp(30px,4vw,48px);line-height:1.12}.diagnostic-question button{color:var(--cc-purple);border:0;border-bottom:1px solid var(--cc-purple);cursor:pointer;background:0 0;padding:0;font-weight:750}.diagnostic-question p{background:var(--cc-yellow);border:1px solid var(--cc-navy);margin-top:18px;padding:16px;font-size:13px;line-height:1.5}.diagnostic-answer{background:#181d38;flex-direction:column;padding:36px;display:flex}.diagnostic-answer textarea{resize:vertical;color:#fff;min-height:260px;font-family:var(--font-mono);background:#0d1125;border:1px solid #747a92;padding:20px;font-size:14px;line-height:1.65}.diagnostic-answer>.button{align-self:flex-end;margin-top:auto}.diagnostic-answer>.button:disabled{opacity:.45}.diagnostic-correction{color:var(--cc-navy);background:var(--cc-lime);border:1px solid #fff;margin-top:20px;padding:20px}.diagnostic-correction ul{gap:7px;padding-left:19px;font-size:12px;line-height:1.45;display:grid}.diagnostic-correction details{border-top:1px dotted var(--cc-navy);border-bottom:1px dotted var(--cc-navy);padding:12px 0}.diagnostic-correction summary{cursor:pointer;font-size:12px;font-weight:750}.diagnostic-correction details p{font-size:12px;line-height:1.5}.diagnostic-correction>span{margin-top:15px;font-size:12px;font-weight:750;display:block}.diagnostic-correction>div{gap:8px;margin-top:10px;display:flex}.diagnostic-correction>div button{border:1px solid var(--cc-navy);cursor:pointer;background:#fff;flex:1;padding:10px;font-size:11px;font-weight:750}.diagnostic-result{max-width:880px;margin:0 auto}.diagnostic-result h1{letter-spacing:-.065em;margin:14px 0;font-size:clamp(48px,7vw,80px)}.diagnostic-result>p{max-width:650px;color:var(--cc-muted);font-size:15px;line-height:1.55}.diagnostic-result>div{border:1px solid var(--cc-navy);background:#fff;margin:36px 0}.diagnostic-result article{border-bottom:1px solid var(--cc-navy);justify-content:space-between;padding:17px 20px;display:flex}.diagnostic-result article:last-child{border-bottom:0}.diagnostic-result article span{font-family:var(--font-mono);font-size:11px}@media (max-width:860px){.diagnostic-grid{grid-template-columns:1fr}.diagnostic-question{border-right:0;border-bottom:1px solid var(--cc-navy)}}@media (max-width:620px){.diagnostic-runner>header{grid-template-columns:1fr}.diagnostic-question,.diagnostic-answer{padding:24px}.diagnostic-correction>div{flex-direction:column}}.learning-environment{--lesson-accent:var(--cc-lavender);--lesson-accent-strong:var(--cc-purple);--lesson-ink:var(--cc-navy);width:100%;height:100dvh;color:var(--lesson-ink);background:#f7f6f3;grid-template-rows:66px 5px minmax(0,1fr);display:grid;overflow:hidden}.learning-environment.discipline-history{--lesson-accent:#ffd5c7;--lesson-accent-strong:#b63f21}.learning-environment.discipline-geography{--lesson-accent:#c9f2f2;--lesson-accent-strong:#087f83}.learning-environment.discipline-method{--lesson-accent:#d8d7ff;--lesson-accent-strong:#3a10e5}.learning-environment.discipline-math{--lesson-accent:#ffe66d;--lesson-accent-strong:#805d00}.learning-environment.discipline-science{--lesson-accent:#eafdc6;--lesson-accent-strong:#397100}.learning-environment.discipline-language{--lesson-accent:#ffd9c7;--lesson-accent-strong:#994117}.learning-environment :focus-visible{outline:3px solid var(--cc-purple);outline-offset:3px}.learning-topbar{z-index:30;color:#fff;background:var(--cc-navy);border-bottom:1px solid #353b58;grid-template-columns:190px minmax(0,1fr) auto auto;align-items:center;gap:20px;min-width:0;padding:0 24px;display:grid;position:relative}.learning-menu-button,.learning-sources-button{color:#fff;cursor:pointer;background:0 0;border:1px solid #68708f;border-radius:3px;min-height:38px;padding:8px 12px;font-size:13px;font-weight:750}.learning-menu-button{justify-self:start}.learning-menu-button span{font-family:var(--font-mono);margin-right:8px}.learning-menu-button:hover,.learning-sources-button:hover{background:#242a49;border-color:#fff}.learning-topbar__title{grid-template-columns:max-content minmax(0,1fr);align-items:center;gap:14px;min-width:0;display:grid}.learning-topbar__title strong{white-space:nowrap;border-right:1px solid #58607e;padding-right:14px;font-size:13px}.learning-topbar__title span{color:#cbd0e3;text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.learning-topbar__status{white-space:nowrap;justify-items:end;gap:2px;display:grid}.learning-topbar__status span{color:#aeb5cf;font-family:var(--font-mono);letter-spacing:.07em;text-transform:uppercase;font-size:9px}.learning-topbar__status strong{font-size:12px}.learning-progress{z-index:29;background:#343a58;position:relative;overflow:hidden}.learning-progress i{background:var(--lesson-accent);height:100%;transition:width .2s;display:block}.course-drawer-backdrop{z-index:60;cursor:default;background:#06091794;border:0;padding:0;position:fixed;inset:0}.course-drawer{z-index:61;color:#fff;background:var(--cc-navy);flex-direction:column;width:min(390px,100vw - 34px);padding:24px;display:flex;position:fixed;inset:0 auto 0 0;overflow-y:auto;box-shadow:18px 0 45px #0000004d}.course-drawer__header{font-family:var(--font-mono);letter-spacing:.09em;justify-content:space-between;align-items:center;margin-bottom:18px;font-size:10px;display:flex}.course-drawer__header button{color:#fff;cursor:pointer;background:0 0;border:1px solid #68708f;width:36px;height:36px;font-size:24px}.course-drawer>strong{max-width:310px;font-size:20px;line-height:1.25}.course-phase-list{border-bottom:1px solid #4b526e;grid-template-columns:repeat(5,1fr);margin:26px 0;padding:0 0 24px;list-style:none;display:grid}.course-phase-list li{color:#949bb8;text-align:center;justify-items:center;gap:7px;font-size:9px;display:grid}.course-phase-list li span{width:28px;height:28px;font-family:var(--font-mono);border:1px solid #68708f;border-radius:50%;place-items:center;display:grid}.course-phase-list li.is-active{color:#fff;font-weight:800}.course-phase-list li.is-active span{color:var(--cc-navy);background:var(--cc-yellow);border-color:var(--cc-yellow)}.course-phase-list li.is-done{color:var(--cc-lime)}.course-phase-list li.is-done span{color:var(--cc-navy);background:var(--cc-lime);border-color:var(--cc-lime)}.course-chapter-list{gap:5px;display:grid}.course-chapter-list button{color:#cbd0e3;text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;grid-template-columns:32px 1fr;align-items:start;gap:10px;width:100%;padding:11px;font-size:12px;line-height:1.35;display:grid}.course-chapter-list button span{color:#9198b4;font-family:var(--font-mono);font-size:10px}.course-chapter-list button:hover{background:#242a49}.course-chapter-list button.is-active{color:var(--cc-navy);background:var(--lesson-accent);border-color:#fff;font-weight:800}.course-chapter-list button.is-active span{color:var(--cc-navy)}.course-source-list{border-top:1px solid #4b526e;margin-top:24px;padding-top:18px}.course-source-list summary{cursor:pointer;font-size:12px;font-weight:750}.course-source-list a{color:#cbd0e3;margin-top:12px;font-size:11px;line-height:1.4;display:block}.course-source-list a:hover{color:#fff;text-decoration:underline}.course-drawer__exit{color:#cbd0e3;margin-top:auto;padding-top:28px;font-size:12px}.learning-main{min-width:0;min-height:0;overflow:hidden}.learning-loading{align-self:start;width:min(900px,100% - 48px);margin:0 auto;padding:90px 0}.learning-loading>span{color:var(--cc-purple);font-family:var(--font-mono);font-size:11px;font-weight:800}.learning-loading h1{letter-spacing:-.06em;max-width:760px;margin:18px 0;font-size:clamp(40px,6vw,68px);line-height:1}.learning-loading p{color:var(--cc-muted)}.lesson-reader-stage{background:#fff;border-inline:1px solid #d8d8df;grid-template-columns:minmax(0,1fr) 340px;width:min(1320px,100%);height:100%;margin:0 auto;display:grid}.lesson-reader-scroll{overscroll-behavior:contain;scrollbar-gutter:stable;min-width:0;overflow-y:auto}.lesson-reader{width:min(820px,100% - 80px);margin:0 auto;padding:clamp(54px,7vh,84px) 0 100px}.lesson-reader__meta{color:var(--lesson-accent-strong);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:10px;font-weight:800;display:flex}.lesson-reader__meta span:not(:first-child){color:#62677c}.lesson-reader h1{letter-spacing:-.055em;text-wrap:balance;max-width:780px;margin:18px 0 24px;font-size:clamp(40px,4.5vw,58px);line-height:1.03}.lesson-reader--chapter h1{font-size:clamp(36px,4vw,50px)}.lesson-reader__lead{color:#34384e;max-width:760px;margin:0;font-size:19px;line-height:1.65}.lesson-reader__eyebrow{color:var(--lesson-accent-strong);font-family:var(--font-mono);letter-spacing:.07em;margin-top:30px;font-size:11px;font-weight:800;display:block}.learning-environment .essential-question{background:var(--lesson-accent);border:1px solid var(--cc-navy);box-shadow:7px 7px 0 var(--cc-navy);margin-top:42px;padding:28px 30px}.learning-environment .essential-question>span{color:var(--cc-navy);font-size:10px}.learning-environment .essential-question h2{color:var(--cc-navy);margin:14px 0 0;font-size:clamp(25px,3vw,34px);line-height:1.2}.lesson-overview-grid{border:1px solid #c9cad2;grid-template-columns:repeat(3,1fr);margin-top:54px;display:grid}.lesson-overview-grid>div{border-right:1px solid #c9cad2;flex-direction:column;justify-content:space-between;min-height:130px;padding:20px;display:flex}.lesson-overview-grid>div:last-child{border-right:0}.lesson-overview-grid small{color:#666b7f;font-family:var(--font-mono);text-transform:uppercase;font-size:9px}.lesson-overview-grid strong{font-size:14px;line-height:1.4}.lesson-prose{max-width:72ch}.lesson-prose p{color:#30354b;margin:0 0 22px;font-size:18px;line-height:1.75}.learning-environment .chapter-example{background:var(--lesson-accent);border:1px solid var(--cc-navy);margin-top:34px;padding:24px 26px}.learning-environment .chapter-example>span{color:var(--lesson-accent-strong);font-size:10px}.learning-environment .chapter-example>strong{margin-top:11px;font-size:17px}.learning-environment .chapter-example p{color:#30354b;font-size:15px;line-height:1.65}.checkpoint-card{color:#fff;background:var(--cc-navy);border:1px solid var(--cc-navy);grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:28px;margin-top:42px;padding:28px;display:grid}.checkpoint-card>div>span,.checkpoint-answer>span{color:var(--cc-yellow);font-family:var(--font-mono);letter-spacing:.09em;font-size:9px;font-weight:800}.checkpoint-card h2{color:#fff;margin:12px 0 0;font-size:22px;line-height:1.35}.checkpoint-card .button--outline{color:#fff;border-color:#fff}.checkpoint-card .button--outline:hover{color:var(--cc-navy)}.checkpoint-answer{border-top:1px solid #59607d;grid-column:1/-1;padding-top:22px}.checkpoint-answer p{color:#e4e6ef;margin:10px 0 20px;font-size:15px;line-height:1.65}.lesson-context{background:#f3f2ef;border-left:1px solid #d8d8df;min-width:0;padding:44px 30px 90px;overflow-y:auto}.lesson-context__discipline{color:var(--cc-navy);background:var(--lesson-accent);border:1px solid var(--cc-navy);font-family:var(--font-mono);letter-spacing:.07em;text-transform:uppercase;padding:6px 9px;font-size:9px;font-weight:800;display:inline-block}.lesson-context h2{letter-spacing:-.04em;margin:24px 0 12px;font-size:24px;line-height:1.15}.lesson-context>p{color:#4b5065;margin:0;font-size:14px;line-height:1.6}.lesson-context>.button{width:100%;margin-top:22px}.lesson-context__list{border-top:1px solid #c7c8cf;margin-top:30px;padding-top:22px}.lesson-context__list strong{font-size:13px}.lesson-context__list ul,.context-key-facts{gap:12px;margin:15px 0 0;padding:0;list-style:none;display:grid}.lesson-context__list li,.context-key-facts li{color:#41465c;padding-left:22px;font-size:13px;line-height:1.5;position:relative}.lesson-context__list li:before{content:"□";color:var(--lesson-accent-strong);font-family:var(--font-mono);position:absolute;left:0}.context-key-facts li:before{content:"✓";color:var(--lesson-accent-strong);font-weight:900;position:absolute;left:0}.chapter-meter{border-top:1px solid #c7c8cf;grid-template-columns:1fr auto;gap:10px;margin-top:32px;padding-top:22px;display:grid}.chapter-meter span{color:#64697c;font-size:12px}.chapter-meter strong{font-family:var(--font-mono);font-size:12px}.chapter-meter i{background:#d9d9df;grid-column:1/-1;height:8px;overflow:hidden}.chapter-meter b{background:var(--lesson-accent-strong);height:100%;display:block}.context-sources{border-top:1px solid #c7c8cf;margin-top:34px;padding-top:20px}.context-sources summary{cursor:pointer;font-size:12px;font-weight:800}.context-sources p{color:#555a6d;font-size:11px;line-height:1.5}.context-sources a{color:var(--cc-purple);margin-top:10px;font-size:11px;font-weight:700;line-height:1.4;display:block}.skip-warning{background:var(--cc-yellow);border:1px solid var(--cc-navy);margin-top:24px;padding:18px}.skip-warning strong{font-size:13px}.skip-warning p{color:#34384e;font-size:12px;line-height:1.5}.skip-warning>div{gap:8px;display:grid}.skip-warning button{border:1px solid var(--cc-navy);cursor:pointer;background:#fff;padding:9px;font-size:11px;font-weight:800}.skip-dialog-backdrop{z-index:70;background:#060917ad;border:0;padding:0;position:fixed;inset:0}.skip-dialog{z-index:71;background:var(--cc-cream);border:1px solid var(--cc-navy);width:min(540px,100vw - 32px);max-height:calc(100dvh - 32px);box-shadow:10px 10px 0 var(--cc-yellow);padding:30px;position:fixed;top:50%;left:50%;overflow-y:auto;transform:translate(-50%,-50%)}.skip-dialog>span{color:var(--cc-purple);font-family:var(--font-mono);letter-spacing:.08em;font-size:10px;font-weight:800}.skip-dialog h2{letter-spacing:-.04em;margin:12px 0;font-size:30px;line-height:1.12}.skip-dialog p{color:#40455a;margin:0;font-size:14px;line-height:1.6}.skip-dialog>div{flex-wrap:wrap;justify-content:flex-end;gap:12px;margin-top:26px;display:flex}.learning-environment .lesson-glossary{border-top:0;padding-top:0}.learning-environment .lesson-glossary>span{color:var(--lesson-accent-strong);font-size:10px}.learning-environment .lesson-glossary h2{margin:12px 0 20px;font-size:30px}.learning-environment .lesson-glossary dl,.learning-environment .lesson-glossary dl>div{border-color:#c9cad2}.learning-environment .lesson-glossary dt{font-size:14px}.learning-environment .lesson-glossary dd{font-size:13px;line-height:1.55}.learning-environment .exam-focus{margin-top:40px}.learning-environment .exam-focus h2{font-size:27px}.learning-environment .exam-focus li{font-size:14px;line-height:1.55}.learning-environment .worked-example{border-color:#bfc1cb;margin-top:40px;padding:28px}.learning-environment .worked-example>span{color:var(--lesson-accent-strong);font-family:var(--font-mono);font-size:9px;font-weight:800}.learning-environment .worked-example h2{font-size:26px}.learning-environment .worked-example p,.learning-environment .worked-example li{font-size:14px}.lesson-navigation{z-index:25;background:#fff;border-top:1px solid #c9cad2;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;min-height:72px;padding:10px 24px;display:grid;position:relative}.learning-environment:has(.lesson-navigation){grid-template-rows:66px 5px minmax(0,1fr) 72px}.lesson-navigation button{min-height:42px;color:var(--cc-navy);border:1px solid var(--cc-navy);cursor:pointer;background:#fff;border-radius:3px;justify-self:start;padding:10px 16px;font-size:12px;font-weight:800}.lesson-navigation button:last-child{color:#fff;background:var(--cc-purple);justify-self:end}.lesson-navigation button:disabled{opacity:.35;cursor:not-allowed}.lesson-navigation>span{justify-items:center;gap:3px;font-size:12px;font-weight:800;display:grid}.lesson-navigation small{color:#73788a;font-family:var(--font-mono);font-size:9px;font-weight:500}.study-workspace,.feedback-workspace{background:#fff;border-inline:1px solid #444b68;grid-template-columns:minmax(0,1.12fr) minmax(420px,.88fr);width:min(1540px,100%);height:100%;margin:0 auto;display:grid}.study-pane,.feedback-pane{min-width:0;padding:30px 34px 42px;overflow-y:auto}.study-pane--documents{border-right:1px solid var(--cc-navy);background:#f7f6f3}.study-pane--response,.feedback-pane--correction{color:#fff;background:#181d38;flex-direction:column;display:flex}.study-pane__header{border-bottom:1px solid;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:26px;padding-bottom:17px;display:flex}.study-pane__header span{color:var(--lesson-accent-strong);font-family:var(--font-mono);letter-spacing:.08em;font-size:10px;font-weight:800}.study-pane--response .study-pane__header span,.feedback-pane--correction .study-pane__header span{color:var(--cc-yellow)}.study-pane__header strong{font-size:20px}.study-prompt{background:var(--lesson-accent);border:1px solid var(--cc-navy);padding:24px 26px}.study-prompt>span{font-family:var(--font-mono);letter-spacing:.09em;font-size:9px;font-weight:800}.study-prompt p{margin:10px 0 0;font-size:17px;font-weight:700;line-height:1.5}.study-documents{gap:16px;margin-top:28px;display:grid}.study-documents__heading{color:#555a6d;font-family:var(--font-mono);letter-spacing:.07em;justify-content:space-between;font-size:10px;font-weight:800;display:flex}.study-documents__heading small{font:inherit}.study-document{background:#fff;border:1px solid #aeb1bd;gap:12px;padding:20px;display:grid}.study-document__meta{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.study-document__meta>span:last-child{color:#686d80;font-family:var(--font-mono);text-align:right;font-size:9px}.material-provenance{color:var(--cc-navy);background:var(--cc-yellow);border:1px solid var(--cc-navy);font-family:var(--font-mono);letter-spacing:.04em;padding:5px 7px;font-size:8px;font-weight:800}.study-document>strong{font-size:17px}.study-document>p{color:#3e4357;white-space:pre-line;max-width:82ch;margin:0;font-size:14px;line-height:1.65}.study-document>img{object-fit:contain;background:#fff;border:1px solid #c4c6ce;width:100%;max-height:520px}.study-guidance{color:#cbd0e3;margin:0 0 20px;font-size:14px;line-height:1.55}.study-pane textarea{resize:vertical;color:#fff;width:100%;min-height:300px;font-family:var(--font-mono);background:#0c1025;border:1px solid #757d9d;flex:1;padding:20px;font-size:15px;line-height:1.65}.study-pane textarea::placeholder{color:#838aa5}.response-length{color:#b9bfd4;margin:12px 0 0;font-size:11px;line-height:1.45}.response-length strong{color:#fff;font-family:var(--font-mono)}.study-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:12px;margin-top:auto;padding-top:28px;display:flex}.study-actions .button--outline{color:#fff;border-color:#cbd0e3}.study-actions .button--outline:hover{color:var(--cc-navy)}.study-actions .button:disabled{color:#848aa0;cursor:not-allowed;background:#3b405a;border-color:#555c78}.feedback-pane{border-right:1px solid var(--cc-navy);background:#f7f6f3}.feedback-pane--correction{color:#fff;background:#181d38;border-right:0}.student-answer{white-space:pre-wrap;background:#fff;border:1px solid #b6b8c2;padding:22px;font-size:15px;line-height:1.7}.criteria-card{background:var(--lesson-accent);border:1px solid var(--cc-navy);margin-top:24px;padding:22px}.criteria-card>strong{color:var(--cc-navy);font-size:15px}.criteria-card ul{color:var(--cc-navy);gap:9px;margin:14px 0 0;padding-left:19px;font-size:13px;line-height:1.5;display:grid}.criteria-card p{color:var(--cc-navy)}.structured-correction{gap:12px;display:grid}.structured-correction p{color:#e3e6f1;white-space:pre-wrap;margin:0;font-size:14px;line-height:1.65}.correction-figure{gap:8px;margin:24px 0 0;display:grid}.correction-figure img{object-fit:contain;background:#fff;border:1px solid #69718f;width:100%;max-height:460px}.correction-figure figcaption{color:#bbc1d6;font-family:var(--font-mono);font-size:9px;line-height:1.4}.feedback-disclaimer{color:#bbc1d6;margin-top:24px;font-size:12px;line-height:1.5}.completion-screen{align-content:center;justify-items:start;width:min(820px,100% - 48px);min-height:100%;margin:0 auto;padding:70px 0;display:grid}.completion-screen>span{color:var(--cc-purple);font-family:var(--font-mono);letter-spacing:.08em;font-size:11px;font-weight:800}.completion-screen h1{letter-spacing:-.065em;max-width:700px;margin:18px 0;font-size:clamp(46px,7vw,76px);line-height:.98}.completion-screen p{max-width:660px;color:var(--cc-muted);margin:0;font-size:17px;line-height:1.65}.completion-screen>div{flex-wrap:wrap;gap:14px;margin-top:34px;display:flex}@media (max-width:1080px){.learning-topbar{grid-template-columns:150px minmax(0,1fr) auto}.learning-sources-button{display:none}.lesson-reader-stage{grid-template-columns:minmax(0,1fr) 300px}.lesson-reader{width:min(760px,100% - 56px)}.lesson-context{padding-inline:24px}.study-workspace,.feedback-workspace{grid-template-columns:minmax(0,1fr) minmax(380px,.85fr)}}@media (max-width:820px){:is(.learning-environment,.learning-environment:has(.lesson-navigation)){grid-template-rows:auto 5px auto auto;height:auto;min-height:100dvh;overflow:visible}.learning-topbar{grid-template-columns:auto minmax(0,1fr) auto;gap:12px;min-height:64px;padding:10px 14px;position:sticky;top:0}.learning-menu-button{width:42px;padding:8px;font-size:0}.learning-menu-button span{margin:0;font-size:17px}.learning-topbar__title{display:block}.learning-topbar__title strong{text-overflow:ellipsis;white-space:nowrap;border:0;padding:0;font-size:12px;display:block;overflow:hidden}.learning-topbar__title span{margin-top:3px;font-size:10px;display:block}.learning-topbar__status span{display:none}.learning-main{overflow:visible}.lesson-reader-stage{border:0;height:auto;display:block}.lesson-reader-scroll,.lesson-context{overflow:visible}.lesson-reader{width:min(100% - 36px,720px);padding:48px 0 58px}.lesson-context{border-top:1px solid #c9cad2;border-left:0;padding:30px 18px 48px}.lesson-context>*{max-width:720px;margin-inline:auto}.lesson-context__discipline{margin-left:auto;margin-right:auto;display:table}.lesson-overview-grid{grid-template-columns:1fr}.lesson-overview-grid>div{border-bottom:1px solid #c9cad2;border-right:0;min-height:92px}.lesson-overview-grid>div:last-child{border-bottom:0}.checkpoint-card{grid-template-columns:1fr}.checkpoint-answer{grid-column:auto}.lesson-navigation{grid-template-columns:1fr 1fr;padding:10px 14px;position:sticky;bottom:0}.lesson-navigation>span{display:none}.lesson-navigation button{width:100%}.study-workspace,.feedback-workspace{border:0;height:auto;display:block}.study-pane,.feedback-pane{padding:28px 18px 36px;overflow:visible}.study-pane--documents,.feedback-pane{border-right:0;border-bottom:1px solid var(--cc-navy)}.study-pane textarea{min-height:320px}.study-actions{background:#181d38;border-top:1px solid #555c78;margin-inline:-18px;padding:12px 18px;position:sticky;bottom:0}}@media (max-width:520px){.course-phase-list{grid-template-columns:repeat(5,minmax(0,1fr))}.course-phase-list li{font-size:8px}.lesson-reader h1{font-size:38px}.lesson-reader--chapter h1{font-size:34px}.lesson-reader__lead,.lesson-prose p{font-size:17px}.learning-environment .essential-question{box-shadow:5px 5px 0 var(--cc-navy);padding:22px}.learning-environment .essential-question h2{font-size:25px}.learning-environment .lesson-glossary dl{grid-template-columns:1fr}.learning-environment .lesson-glossary dl>div{border-right:0}.study-pane__header{flex-direction:column;align-items:flex-start;gap:7px}.study-actions{flex-direction:column;align-items:stretch}.study-actions .button{width:100%}.completion-screen>div{flex-direction:column;width:100%}.completion-screen .button{width:100%}}@media (prefers-reduced-motion:reduce){.learning-progress i{transition:none}}.catalog-mobile-filters{display:none}.option-selection__control{gap:8px;display:grid}.option-selection__control label{display:block}.option-selection__control select{width:100%}.diagnostic-rating-options button.is-selected,.diagnostic-rating-options button[aria-pressed=true]{color:var(--cc-navy);background:var(--cc-yellow);border-color:#fff}.diagnostic-rating-options button.is-selected span,.diagnostic-rating-options button[aria-pressed=true] span{color:#34384e}.diagnostic-navigation{justify-content:space-between;gap:12px;margin-top:24px;display:flex}.diagnostic-navigation button{color:#fff;cursor:pointer;background:0 0;border:1px solid #aeb4ca;min-height:46px;padding:10px 14px;font-weight:750}.diagnostic-navigation button:last-child{color:var(--cc-navy);background:var(--cc-yellow);border-color:var(--cc-yellow);margin-left:auto}.diagnostic-navigation button:disabled{opacity:.38;cursor:not-allowed}@media (max-width:1100px){.site-header{flex-wrap:wrap;gap:14px 24px;min-height:0;padding:14px 24px}.site-nav{border-top:1px solid var(--cc-soft-line);flex-wrap:wrap;order:3;gap:2px 24px;width:100%;padding-top:10px}.site-nav a{align-items:center;min-height:44px;display:inline-flex}.site-actions{gap:14px}.search-link,.primary-nav-button{display:none}.login-link{text-overflow:ellipsis;white-space:nowrap;align-items:center;max-width:45vw;min-height:44px;display:inline-flex;overflow:hidden}}@media (max-width:860px){.catalog-filters{display:none}.catalog-mobile-filters{border:1px solid var(--cc-navy);margin:4px 0 24px;display:block}.catalog-mobile-filters>summary{cursor:pointer;background:#fff;justify-content:space-between;padding:15px 17px;font-size:13px;font-weight:800;display:flex}.catalog-mobile-filters>summary span{color:var(--cc-purple);font-family:var(--font-mono);font-size:10px;font-weight:700}.catalog-mobile-filters>div{background:var(--cc-cream);border-top:1px solid var(--cc-navy);padding:18px}.catalog-mobile-filters .filters-title{padding-top:0}.catalog-mobile-filters fieldset:last-child{border-bottom:0}.week-board{grid-template-columns:1fr;overflow:visible}.day-column{min-width:0}}@media (max-width:620px){.site-header{padding:12px 16px}.site-nav{gap:0 18px}.site-nav a{min-height:44px;font-size:12px}.diagnostic-navigation{flex-direction:column}.diagnostic-navigation button,.diagnostic-navigation button:last-child{width:100%;margin-left:0}}
