.site-trust-footer{padding:28px max(24px,calc((100vw - 1180px)/2));border-top:1px solid #dce1e5;background:#f7f8f7;display:flex;gap:20px;flex-wrap:wrap;align-items:center;color:#4b5552;font-size:13px}.site-trust-footer>a{font-size:20px;font-weight:750;color:#173c32}.site-trust-footer nav{display:flex;flex-wrap:wrap;gap:18px}.site-trust-footer a{text-decoration:none}.site-trust-footer a:hover{text-decoration:underline}.site-trust-footer>span{margin-left:auto}.trust-main{max-width:880px;margin:auto;padding:60px 24px 80px;color:#24332e}.trust-main h1{font-size:clamp(36px,6vw,58px);line-height:1.08;letter-spacing:-.04em;margin:12px 0 20px}.trust-main>p{font-size:18px;line-height:1.7;max-width:680px}.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}.trust-card{padding:26px;border:1px solid #d9e2dd;background:#fff;border-radius:16px}.trust-card h2{font-size:22px;margin:0 0 12px;letter-spacing:-.02em}.trust-card li,.trust-card p{font-size:15px;line-height:1.7}.trust-card a,.trust-main>a{color:#145c45;text-decoration:underline;text-underline-offset:3px}.trust-card textarea{width:100%;min-height:180px;border:1px solid #aab9b2;border-radius:8px;padding:14px;font:inherit}.trust-button,.trust-card button{display:inline-block;border:0;border-radius:8px;padding:12px 18px;background:#183d31;color:white;font-weight:650;margin-top:12px;cursor:pointer}.question-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:12px 0;color:#53615a;font-size:13px}.question-tools a{color:#244e40;text-decoration:underline;text-underline-offset:3px}.practice-levels{display:flex;flex-wrap:wrap;gap:8px;padding:12px 0}.practice-levels a{padding:8px 14px;border:1px solid #cbd8d0;border-radius:8px;text-decoration:none;color:#244237}.practice-levels a[aria-current=page]{background:#1c4435;color:#fff}.trust-notice{padding:18px;background:#eaf1ec;border-radius:12px}.practice-levels a:focus-visible,.site-trust-footer a:focus-visible{outline:3px solid #29705c;outline-offset:4px}@media(max-width:600px){.trust-grid{grid-template-columns:1fr}.site-trust-footer>span{margin-left:0}.trust-main{padding-top:34px}.trust-card{padding:20px}}

/*! tailwindcss v4.3.3 | 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)))){*,::backdrop,:after,:before{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:host,:root{--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4,0,.2,1);--default-font-family:var(--font-lattice-sans);--default-mono-font-family:ui-monospace,SFMono-Regular,Consolas,monospace}}@layer base{*,::backdrop,:after,:before{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}:host,html{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","Noto Sans",Arial,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;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{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:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}menu,ol,ul{list-style:none}audio,canvas,embed,iframe,img,object,svg,video{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,optgroup,select,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,::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-millisecond-field,::-webkit-datetime-edit-second-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]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.visible\!{visibility:visible!important}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden}.absolute,.sr-only{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.isolate{isolation:isolate}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.h-full{height:100%}.min-h-full{min-height:100%}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.flex-col{flex-direction:column}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.italic{font-style:italic}.underline{text-decoration-line:underline}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.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,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{--font-lattice-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;--ink:#202a25;--paper:#f8f9f6;--paper-strong:#fff;--paper-shadow:#1b293717;--sage:#edf4ef;--sage-deep:#ceded2;--coral:#e5a060;--gold:#f4cc83;--line:#dce3dc;--muted:#58635b;--soft:#f0f4ef;--surface-card:#fff;--accent-green:#236346;--action-blue:#236346;--action-blue-hover:#194c35;--surface-soft-blue:#edf4ef;--border-subtle:#ceddd1;--surface-hover:#edf3ed;--tip-surface:#fff3df;--progress-track:#dce7dc;--progress-fill:#236346;--focus-ring:#2363464d;--page-max:1240px;--space-page:clamp(20px,5vw,72px);--card-radius:16px;--shadow-subtle:0 3px 12px #202a250a;--motion-fast:.2s}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:var(--font-lattice-sans),Arial,sans-serif;margin:0}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}a.subject-card{cursor:pointer;pointer-events:auto;z-index:1;position:relative}.site-shell{min-height:100vh;overflow:hidden}.site-footer,.site-nav,.subject-section{max-width:1240px;margin:0 auto;padding-left:clamp(20px,5vw,72px);padding-right:clamp(20px,5vw,72px)}.site-nav{justify-content:space-between;align-items:center;padding-top:28px;display:flex}.wordmark{font-family:var(--font-lattice-sans),sans-serif;letter-spacing:-.03em;font-size:1rem;font-weight:700}.wordmark span{color:#70836f;font-weight:400}.nav-link{border-bottom:1px solid var(--ink);font-family:var(--font-lattice-sans),sans-serif;padding-bottom:4px;font-size:.78rem}.nav-link span{margin-left:8px;font-size:1rem}.subject-section{border-top:1px solid var(--line);padding-top:54px;padding-bottom:90px}.section-heading{justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:26px;display:flex}.section-title-wrap{flex:1}.answer-label,.eyebrow,.meta-pill,.paper-kicker,.part-label,.part-mark,.question-progress,.solution-block h4{font-family:var(--font-lattice-sans),sans-serif;letter-spacing:.1em;text-transform:uppercase}.eyebrow{color:#718473;margin:0 0 16px;font-size:.7rem}.eyebrow,h1,h2{font-weight:700}h1,h2{letter-spacing:-.055em;margin:0;line-height:1.04}h1{font-size:clamp(3.5rem,8vw,7rem)}.subject-meta{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.meta-pill{border:1px solid var(--line);color:var(--muted);background:#ffffff8c;border-radius:999px;padding:8px 12px;font-size:.62rem}.practice-area{max-width:980px}.paper-shell{background:var(--paper-strong);border:1px solid var(--line);box-shadow:0 16px 38px var(--paper-shadow);border-radius:18px;overflow:hidden}.paper-header{border-bottom:1px solid var(--line);background:linear-gradient(#f6f2eafa,#fffffff5);justify-content:space-between;align-items:flex-end;gap:24px;padding:28px clamp(22px,4vw,42px) 18px;display:flex}.paper-header-main{flex-direction:column;gap:4px;display:flex}.paper-kicker{color:#718473;margin:0;font-size:.62rem;font-weight:700}.paper-subtitle{letter-spacing:-.05em;margin:0;font-size:clamp(1.5rem,2vw,2.1rem)}.paper-identity{text-align:right;flex-direction:column;align-items:flex-end;gap:4px;display:flex}.paper-question-number{font-family:var(--font-lattice-sans),sans-serif;letter-spacing:-.06em;font-size:clamp(1.2rem,2vw,2.1rem);font-weight:700}.paper-question-number:after{content:":";margin-left:.12em}.paper-question-title{color:var(--muted);font-family:var(--font-lattice-sans),sans-serif;letter-spacing:.08em;text-transform:uppercase;font-size:.72rem}.paper-content{padding:clamp(22px,3vw,40px) clamp(22px,4vw,42px) 10px}.paper-main-question{margin-bottom:22px}.paper-main-question p,.part-question,.solution-block p{margin:0}.paper-main-question p{letter-spacing:-.03em;font-size:clamp(1.1rem,2vw,2rem);line-height:1.5}.exam-part{border-top:1px solid var(--line);padding:18px 0 22px}.part-header{justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:12px;display:flex}.part-label{color:var(--ink);font-size:.68rem;font-weight:700}.part-mark{color:var(--muted);font-size:.62rem;font-weight:700}.part-question{letter-spacing:-.02em;margin-bottom:18px;font-size:clamp(1.1rem,2vw,1.8rem);line-height:1.45}.answer-input{border:1px solid var(--line);color:var(--ink);font-family:var(--font-lattice-sans),sans-serif;resize:vertical;background:#f5f2ede6;border-radius:12px;width:100%;min-height:240px;padding:18px 18px 20px;font-size:1rem;line-height:1.55;display:block}.answer-input:focus{border-color:#17231d8c;outline:none;box-shadow:0 0 0 3px #17231d14}.single-question-block{padding-top:10px}.answer-label{color:var(--muted);margin:0 0 12px;font-size:.66rem;font-weight:700;display:block}.solution-wrap{background:var(--soft);padding:clamp(22px,3vw,38px) clamp(22px,4vw,42px) clamp(30px,4vw,42px)}.solution-block,.solution-wrap{border-top:1px solid var(--line)}.solution-block{margin-top:18px;padding-top:18px}.solution-block:first-of-type{border-top:none;margin-top:0;padding-top:0}.solution-block h4{color:var(--muted);margin:0 0 10px;font-size:.62rem;font-weight:700}.solution-block p{max-width:720px;font-size:1.02rem;line-height:1.7}.mark-scheme{font-family:var(--font-lattice-sans),sans-serif;margin:14px 0 0;padding:0;list-style:none}.mark-scheme li{border-top:1px solid var(--line);gap:10px;padding:10px 0;display:flex}.mark-scheme strong{color:var(--ink);min-width:34px;font-weight:700}.mark-scheme span{color:var(--ink);line-height:1.5}.examiner-tip-block{margin-top:22px}.paper-controls{justify-content:space-between;align-items:center;gap:18px;margin-top:18px;padding:0 2px;display:flex}.question-progress{color:var(--muted);font-size:.62rem;font-weight:700}.button-row{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:12px;display:flex}.ghost-button,.primary-button,.secondary-button{appearance:none;cursor:pointer;font-family:var(--font-lattice-sans),sans-serif;border:1px solid #17231d80;border-radius:999px;padding:12px 18px;font-size:.78rem;font-weight:600;transition:transform .18s,background .18s,border-color .18s}.secondary-button{color:var(--ink);background:#fff9}.ghost-button:hover,.primary-button:hover:not(:disabled),.secondary-button:hover{transform:translateY(-1px)}.secondary-button:hover{background:#e7c46b47}.ghost-button{color:var(--ink);background:0 0}.ghost-button:disabled,.primary-button:disabled{color:#17231d73;cursor:not-allowed;background:#17231d14;border-color:#17231d26;transform:none}.primary-button{background:var(--ink);border-color:var(--ink);color:#fff}.primary-button:hover:not(:disabled){background:#2a3e35}.bank-selector{flex-direction:column;gap:16px;max-width:600px;margin:28px 0;display:flex}.bank-selector-button{appearance:none;border:2px solid var(--line);cursor:pointer;text-align:left;background:#fff;border-radius:14px;flex-direction:column;gap:8px;padding:24px 22px;transition:all .2s;display:flex}.bank-selector-button:hover{background:var(--soft);border-color:var(--coral);box-shadow:0 4px 12px var(--paper-shadow);transform:translateY(-2px)}.bank-selector-button:focus{border-color:var(--coral);outline:none;box-shadow:0 0 0 3px #d97d6326}.bank-title{color:var(--ink);letter-spacing:-.02em;font-family:Georgia,Times New Roman,serif;font-size:1.3rem;font-weight:600}.bank-details{color:var(--muted);font-family:var(--font-lattice-sans),sans-serif;font-size:.85rem;font-weight:500}.paper-description{color:var(--muted);margin:0;font-size:1.05rem;line-height:1.5}.paper-footer{border-top:1px solid var(--line);margin-top:28px;padding-top:18px}.back-link{color:var(--ink);font-family:var(--font-lattice-sans),sans-serif;font-size:.85rem;font-weight:500;text-decoration:none;transition:color .2s}.back-link:hover{color:var(--coral)}.site-main{min-height:100vh;overflow:hidden}.paper-wrapper{max-width:1240px;margin:0 auto;padding:clamp(20px,5vw,72px)}.site-main h1{color:var(--ink);letter-spacing:-.03em;margin:0 0 12px;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.2}.site-main h1+p{color:var(--muted);margin:12px 0 0;font-size:1.05rem;line-height:1.6}.site-footer{border-top:1px solid var(--line);font-family:var(--font-lattice-sans),sans-serif;justify-content:space-between;padding-top:19px;padding-bottom:28px;font-size:.68rem;display:flex}.subtopic-grid{grid-template-columns:repeat(3,1fr);gap:20px;max-width:1000px;display:grid}.subtopic-card{border:1px solid var(--line);box-shadow:0 2px 8px var(--paper-shadow);cursor:default;-webkit-user-select:none;user-select:none;background:#fff;border-radius:14px;justify-content:space-between;align-items:center;padding:24px 20px;transition:all .2s;display:flex}.subtopic-card:focus,.subtopic-card:hover{background:var(--soft);border-color:var(--coral);box-shadow:0 4px 12px var(--paper-shadow);outline:none}.subtopic-card:focus{box-shadow:0 0 0 3px #d97d6326}.subtopic-card-content{flex-direction:column;flex:1;gap:6px;display:flex}.subtopic-code{color:var(--muted);font-family:var(--font-lattice-sans),sans-serif;letter-spacing:.05em;text-transform:uppercase;font-size:.75rem;font-weight:600}.subtopic-label{color:var(--ink);letter-spacing:-.02em;font-family:Georgia,Times New Roman,serif;font-size:1.2rem;line-height:1.3}.subtopic-arrow{color:var(--muted);opacity:.6;margin-left:12px;font-size:1.1rem;transition:opacity .2s}.subtopic-card:focus .subtopic-arrow,.subtopic-card:hover .subtopic-arrow{opacity:1;color:var(--coral)}@media (max-width:1024px){.subtopic-grid{grid-template-columns:repeat(2,1fr);gap:18px}}@media (max-width:760px){.site-nav{flex-wrap:wrap;gap:14px}.section-heading{align-items:flex-start;display:block}.subtopic-grid{grid-template-columns:1fr;gap:14px}.subject-meta{justify-content:flex-start;margin-top:18px}.paper-header{align-items:flex-start;display:block}.paper-identity{text-align:left;align-items:flex-start;margin-top:14px}.paper-controls{align-items:stretch;display:block}.button-row{justify-content:stretch;margin-top:14px}.button-row>*{flex:100%}.ghost-button,.primary-button,.secondary-button{width:100%}.site-footer{flex-direction:column;gap:8px}}@media (max-width:520px){.paper-content,.paper-header,.solution-wrap{padding-left:18px;padding-right:18px}.answer-input{min-height:200px}.part-header{align-items:flex-start;display:flex}}.journey-page{flex-direction:column;min-height:100svh;display:flex;overflow:clip}.journey-footer,.journey-header,.journey-main{max-width:var(--page-max);padding-inline:var(--space-page);width:100%;margin-inline:auto}.journey-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;min-height:82px;display:flex}.journey-card-body small,.journey-card-number,.journey-card-status,.journey-footer,.journey-header-link,.journey-hero-note,.journey-primary-action,.journey-wordmark{font-family:var(--font-lattice-sans),sans-serif}.journey-wordmark{letter-spacing:-.035em;font-size:1rem;font-weight:700}.journey-wordmark span{color:#70836f;font-weight:400}.journey-header-link{letter-spacing:.03em;align-items:center;gap:10px;padding-block:8px;font-size:.75rem;font-weight:650;display:inline-flex}.journey-card-arrow,.journey-header-link span{transition:transform var(--motion-fast) ease}.journey-header-link:hover span{transform:translate(2px,-2px)}.journey-main{flex:1}.journey-hero{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:clamp(44px,8vw,120px);min-height:min(680px,100svh - 82px);padding-block:clamp(76px,10vw,138px) clamp(70px,8vw,112px);display:grid}.journey-hero-copy{max-width:850px}.journey-hero h1,.journey-section h1,.journey-section h2{color:var(--ink);letter-spacing:-.072em;margin:0;font-family:Georgia,Times New Roman,serif;font-weight:400}.journey-hero h1{text-wrap:balance;font-size:clamp(4.35rem,9.3vw,8.7rem);line-height:.82}.journey-hero h1 em{color:var(--accent-green);font-weight:400}.journey-intro{color:var(--muted);max-width:590px;margin:clamp(32px,4vw,48px) 0 0;font-size:clamp(1.05rem,1.45vw,1.24rem);line-height:1.65}.journey-primary-action{background:var(--ink);border:1px solid var(--ink);color:var(--paper);transition:background var(--motion-fast) ease,transform var(--motion-fast) ease;border-radius:999px;align-items:center;gap:28px;margin-top:30px;padding:14px 19px 14px 22px;font-size:.78rem;font-weight:650;display:inline-flex}.journey-primary-action:hover{background:var(--accent-green);transform:translateY(-2px)}.journey-hero-note{color:var(--muted);letter-spacing:.12em;text-transform:uppercase;writing-mode:vertical-rl;align-items:center;gap:9px;padding-bottom:8px;font-size:.58rem;display:flex}.journey-hero-note i{background:var(--border-subtle);width:1px;height:28px;display:block}.journey-section{border-top:1px solid var(--border-subtle);padding-block:clamp(64px,8vw,108px);scroll-margin-top:24px}.journey-section-primary{min-height:calc(100svh - 82px);padding-top:clamp(82px,11vw,150px)}.journey-section-heading{grid-template-columns:minmax(170px,.36fr) minmax(0,1fr);gap:24px;margin-bottom:clamp(42px,6vw,72px);display:grid}.journey-section-heading .eyebrow{padding-top:.45em}.journey-section h1,.journey-section h2{max-width:920px;font-size:clamp(3.5rem,7vw,7rem);line-height:.92}.journey-grid{gap:16px;display:grid}.journey-grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}.journey-grid-single{grid-template-columns:minmax(0,780px)}.journey-card{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--card-radius);min-height:210px;transition:background var(--motion-fast) ease,border-color var(--motion-fast) ease,box-shadow var(--motion-fast) ease,transform var(--motion-fast) ease;grid-template-columns:auto minmax(0,1fr) auto;align-items:stretch;gap:22px;padding:clamp(24px,3vw,34px);display:grid;box-shadow:inset 0 1px #ffffffb3}a.journey-card{cursor:pointer}a.journey-card:hover{background:var(--surface-hover);box-shadow:var(--shadow-subtle);border-color:#35584773;transform:translateY(-3px)}a.journey-card:hover .journey-card-arrow{transform:translate(4px,-4px)}.journey-card-number{color:var(--muted);letter-spacing:.08em;font-size:.68rem;font-weight:700}.journey-card-body{flex-direction:column;align-self:end;gap:9px;min-width:0;display:flex}.journey-card-body strong{letter-spacing:-.045em;font-size:clamp(1.65rem,2.4vw,2.45rem);font-weight:400;line-height:1.02}.journey-card-body small{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:.65rem;font-weight:600;line-height:1.4}.journey-card-arrow{font-family:var(--font-lattice-sans),sans-serif;align-self:start;font-size:1.25rem}.journey-card-curriculum,.journey-card-featured{min-height:250px}.journey-card-disabled{box-shadow:none;color:#17231d8c;background:0 0;border-style:dashed}.journey-card-status{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;align-self:start;font-size:.58rem;font-weight:700}.journey-footer{border-top:1px solid var(--border-subtle);color:var(--muted);justify-content:space-between;padding-block:24px 30px;font-size:.67rem;display:flex}.journey-card:focus-visible,.journey-header-link:focus-visible,.journey-primary-action:focus-visible,.journey-wordmark:focus-visible{outline-offset:5px;border-radius:5px;outline:3px solid #35584761}@media (max-width:900px){.journey-grid-three{grid-template-columns:1fr}.journey-card,.journey-card-curriculum{min-height:170px}.journey-section-heading{grid-template-columns:1fr}.journey-section-heading .eyebrow{padding-top:0}}@media (max-width:600px){.journey-header{min-height:70px}.journey-header-link{font-size:.68rem}.journey-hero{min-height:auto;padding-block:76px 72px;display:block}.journey-hero h1{font-size:clamp(3.75rem,19vw,5.25rem)}.journey-hero-note{display:none}.journey-section-primary{min-height:calc(100svh - 70px);padding-top:70px}.journey-section h1,.journey-section h2{font-size:clamp(3.25rem,15vw,4.7rem)}.journey-card{min-height:150px;padding:22px}.journey-card-body strong{font-size:1.65rem}.journey-footer{flex-direction:column;gap:8px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.journey-card,.journey-card-arrow,.journey-header-link span,.journey-primary-action{transition:none}}@supports (color:color-mix(in lab,red,red)){.maths-practice-shell .site-nav{background:color-mix(in srgb,var(--paper) 94%,transparent)}}.practice-section{max-width:1120px;padding:clamp(64px,8vw,108px) var(--space-page) clamp(72px,9vw,118px);margin-inline:auto}.practice-page-header{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:32px;margin-bottom:30px;display:grid}.practice-page-header h1{max-width:850px;font-size:clamp(3rem,6vw,5.9rem);line-height:.94}.practice-page-header .eyebrow{margin-bottom:18px}.practice-question-count{text-align:right;grid-template-columns:auto auto;align-items:baseline;min-width:94px;display:grid}.practice-question-count small,.practice-question-count span,.practice-question-count strong{font-family:var(--font-lattice-sans),sans-serif}.practice-question-count span{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;grid-column:1/-1;font-size:.58rem;font-weight:700}.practice-question-count strong{letter-spacing:-.07em;font-size:2.4rem;line-height:1}.practice-question-count small{color:var(--muted);margin-left:7px;font-size:.72rem}.practice-progress{background:#17231d2e;width:100%;height:2px;margin-bottom:18px;overflow:hidden}.practice-progress span{background:#2f5140;height:100%;transition:width .24s;display:block}.maths-practice-shell .practice-area{max-width:none}.learning-paper{background:var(--paper-strong);border-color:var(--border-subtle);border-radius:var(--card-radius);animation:practice-question-enter .22s both;box-shadow:0 20px 55px #17231d13}@keyframes practice-question-enter{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.learning-paper-header{background:#f2eee5;align-items:center;padding:22px clamp(24px,4vw,44px)}.learning-paper-header .paper-header-main{gap:7px}.learning-paper-header .paper-subtitle{letter-spacing:-.025em;font-size:1.1rem}.learning-paper-header .subject-meta{justify-content:flex-end;align-items:center}.learning-paper .paper-content{padding:clamp(34px,5vw,62px) clamp(24px,5vw,58px) clamp(42px,5vw,58px)}.learning-paper .paper-main-question{border-bottom:1px solid var(--border-subtle);margin-bottom:34px;padding-bottom:clamp(30px,4vw,46px)}.learning-paper .paper-main-question p,.learning-paper .part-question{color:var(--ink);letter-spacing:-.025em;font-size:clamp(1.3rem,2.2vw,1.85rem);line-height:1.58}.learning-paper .exam-part{padding:28px 0 36px}.learning-paper .exam-part:first-child{border-top:0;padding-top:0}.learning-paper .part-header{margin-bottom:18px}.learning-paper .part-question{margin-bottom:30px}.learning-paper .single-question-block{padding-top:0}.learning-paper .answer-label{align-items:center;margin-bottom:13px;display:flex}.learning-paper .answer-label:after{background:var(--border-subtle);content:"";flex:1;height:1px;margin-left:14px}.learning-paper .answer-input{color:var(--ink);min-height:280px;transition:background var(--motion-fast) ease,border-color var(--motion-fast) ease,box-shadow var(--motion-fast) ease;background:#f8f5ef;border:1px solid #17231d2e;border-radius:10px;padding:22px 24px;font-family:Georgia,Times New Roman,serif;font-size:1.08rem;line-height:1.7}.learning-paper .solution-wrap{background:#eef1e9;border-top:1px solid #35584733;padding:clamp(34px,5vw,58px);animation:solution-reveal .22s both}@keyframes solution-reveal{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.solution-heading{border-bottom:1px solid #35584733;margin-bottom:30px;padding-bottom:24px}.solution-heading h2{letter-spacing:-.055em;margin:9px 0 0;font-size:clamp(2.25rem,4vw,3.4rem);font-weight:400;line-height:1}.learning-paper .solution-block{border-color:#3558472e;margin-top:28px;padding-top:28px}.learning-paper .solution-block p{font-size:1.08rem;line-height:1.75}.learning-paper .solution-subheading{margin-top:26px}.learning-paper .mark-scheme{margin-top:12px}.learning-paper .mark-scheme li{border-color:#35584729;padding:13px 0}.learning-paper .mark-scheme strong{font-family:var(--font-lattice-sans),sans-serif;letter-spacing:.04em;text-align:center;background:#3558471a;border-radius:4px;min-width:40px;height:fit-content;padding:5px 7px;font-size:.68rem}.learning-paper .examiner-tip-block{background:#ffffff6b;border:1px solid #3558472e;border-radius:9px;margin-top:32px;padding:22px 24px}.learning-paper .paper-controls{border-top:1px solid var(--border-subtle);background:#f2eee5;align-items:center;margin:0;padding:20px clamp(20px,4vw,42px)}.learning-paper .button-row{gap:10px}.learning-paper .ghost-button,.learning-paper .primary-button,.learning-paper .secondary-button{border-radius:8px;justify-content:center;align-items:center;min-height:46px;padding:12px 17px;display:inline-flex}.learning-paper .ghost-button{border-color:#0000}.learning-paper .solution-button{background:0 0;border-color:#17231d59}.learning-paper .next-button{background:var(--accent-green);border-color:var(--accent-green)}.learning-paper .next-button:hover:not(:disabled){background:#294638}.learning-paper .next-button span,.learning-paper .previous-button span{transition:transform var(--motion-fast) ease;display:inline-block}.learning-paper .next-button span{margin-left:9px}.learning-paper .previous-button span{margin-right:9px}.learning-paper .next-button:hover:not(:disabled) span{transform:translate(3px)}.learning-paper .previous-button:hover:not(:disabled) span{transform:translate(-3px)}.learning-paper .answer-input:focus-visible,.learning-paper button:focus-visible,.maths-practice-shell .nav-link:focus-visible,.maths-practice-shell .wordmark:focus-visible{outline-offset:3px;outline:3px solid #35584761}.learning-paper .katex-display{max-width:100%;padding-block:3px;overflow:auto hidden}@media (max-width:820px){.practice-page-header{grid-template-columns:minmax(0,1fr) auto;align-items:start}.learning-paper .paper-controls{flex-direction:column;align-items:stretch;display:flex}.learning-paper .question-progress{padding-left:2px}.learning-paper .button-row{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;margin-top:4px;display:grid}.learning-paper .next-button{grid-area:1/1/auto/-1}}@media (max-width:560px){.practice-section{padding-inline:16px;padding-top:52px}.practice-page-header{display:block}.practice-page-header h1{font-size:clamp(2.7rem,13vw,4rem)}.practice-question-count{text-align:left;width:fit-content;margin-top:28px}.learning-paper .paper-header{display:block}.learning-paper-header .subject-meta{justify-content:flex-start;margin-top:16px}.learning-paper .paper-content,.learning-paper .solution-wrap{padding-inline:20px}.learning-paper .answer-input{min-height:230px;padding:18px}.learning-paper .button-row{grid-template-columns:1fr}.learning-paper .next-button{grid-column:auto}.learning-paper .ghost-button,.learning-paper .primary-button,.learning-paper .secondary-button{width:100%}}@media (prefers-reduced-motion:reduce){.learning-paper,.learning-paper .solution-wrap{animation:none}.learning-paper .next-button span,.learning-paper .previous-button span,.practice-progress span{transition:none}}.curriculum-overview .journey-section-primary{padding-bottom:clamp(78px,9vw,124px)}.curriculum-overview-heading{margin-bottom:clamp(46px,6vw,76px)}.curriculum-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.curriculum-topic-card{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--card-radius);cursor:pointer;min-height:126px;transition:background var(--motion-fast) ease,border-color var(--motion-fast) ease,box-shadow var(--motion-fast) ease,transform var(--motion-fast) ease;grid-template-columns:58px minmax(0,1fr) auto;align-items:center;gap:22px;padding:24px 26px;display:grid}.curriculum-topic-card:hover{background:var(--surface-hover);box-shadow:var(--shadow-subtle);border-color:#35584773;transform:translateY(-2px)}.curriculum-topic-arrow,.curriculum-topic-code{font-family:var(--font-lattice-sans),sans-serif}.curriculum-topic-code{color:var(--muted);letter-spacing:.08em;font-size:.68rem;font-weight:700}.curriculum-topic-card strong{letter-spacing:-.035em;font-size:clamp(1.25rem,1.9vw,1.7rem);font-weight:400;line-height:1.15}.curriculum-topic-arrow{transition:transform var(--motion-fast) ease;font-size:1.15rem}.curriculum-topic-card:hover .curriculum-topic-arrow{transform:translate(4px,-4px)}.curriculum-topic-card:focus-visible{outline-offset:4px;outline:3px solid #35584761}.site-shell .site-nav,.site-shell .subject-section{max-width:var(--page-max);padding-inline:var(--space-page);width:100%;margin-inline:auto}.site-shell .site-nav{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;min-height:82px;padding-top:0;display:flex}.site-shell .nav-link,.site-shell .wordmark{font-family:var(--font-lattice-sans),sans-serif}.site-shell .nav-link{border-bottom:0;gap:8px;padding-block:8px;font-size:.75rem;font-weight:650;display:inline-flex}.site-shell .subject-section{border-top:0;min-height:calc(100svh - 82px);padding-top:clamp(72px,9vw,126px);padding-bottom:clamp(78px,9vw,124px)}.site-shell .section-heading{grid-template-columns:minmax(170px,.36fr) minmax(0,1fr);align-items:start;gap:24px;margin-bottom:clamp(44px,6vw,72px);display:grid}.site-shell .section-heading>.eyebrow{padding-top:.45em}.site-shell .section-heading>div{grid-column:1/-1}.site-shell .section-heading>div .eyebrow{margin-bottom:18px}.site-shell .subject-section h1{max-width:980px;font-size:clamp(3.5rem,7vw,7rem);line-height:.92}.site-shell .subject-grid,.site-shell .subtopic-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:none;display:grid}.site-shell .subject-card,.site-shell .subtopic-card{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--card-radius);box-shadow:none;cursor:pointer;min-height:152px;transition:background var(--motion-fast) ease,border-color var(--motion-fast) ease,box-shadow var(--motion-fast) ease,transform var(--motion-fast) ease;-webkit-user-select:none;user-select:none;grid-template-columns:minmax(0,1fr) auto;align-items:stretch;gap:18px;padding:24px;display:grid}.site-shell .subject-card{grid-template-columns:54px minmax(0,1fr) auto}.site-shell a.subject-card:hover,.site-shell a.subtopic-card:hover{background:var(--surface-hover);box-shadow:var(--shadow-subtle);border-color:#35584773;transform:translateY(-2px)}.site-shell .card-number,.site-shell .subtopic-code{color:var(--muted);font-family:var(--font-lattice-sans),sans-serif;letter-spacing:.08em;text-transform:uppercase;font-size:.67rem;font-weight:700}.site-shell .subject-name,.site-shell .subtopic-label{letter-spacing:-.035em;align-self:end;font-size:clamp(1.25rem,2vw,1.7rem);font-weight:400;line-height:1.12}.site-shell .subtopic-card-content{flex-direction:column;justify-content:space-between;gap:12px;display:flex}.site-shell .card-arrow,.site-shell .subtopic-arrow{color:var(--ink);font-family:var(--font-lattice-sans),sans-serif;opacity:1;transition:color var(--motion-fast) ease,transform var(--motion-fast) ease;align-self:start;margin:0;font-size:1.05rem}.site-shell a.subject-card:hover .card-arrow,.site-shell a.subtopic-card:hover .subtopic-arrow{color:var(--accent-green);transform:translate(4px,-4px)}.site-shell .nav-link:focus-visible,.site-shell .subject-card:focus-visible,.site-shell .subtopic-card:focus-visible,.site-shell .wordmark:focus-visible{outline-offset:4px;outline:3px solid #35584761}.paper-wrapper:has(.bank-selector){max-width:var(--page-max);padding:0 var(--space-page) clamp(78px,9vw,124px);margin-inline:auto}.paper-wrapper:has(.bank-selector) .paper-shell{box-shadow:none;background:0 0;border:0;border-radius:0;flex-direction:column;display:flex;overflow:visible}.paper-wrapper:has(.bank-selector) .paper-header{background:0 0;border-bottom:0;align-items:start;padding:clamp(76px,10vw,138px) 0 clamp(40px,5vw,66px);display:block}.paper-wrapper:has(.bank-selector) .paper-header:before{color:#718473;content:"OCR A LEVEL MATHEMATICS";font-family:var(--font-lattice-sans),sans-serif;letter-spacing:.1em;margin-bottom:20px;font-size:.68rem;font-weight:700;display:block}.paper-wrapper:has(.bank-selector) .paper-header h1{letter-spacing:-.065em;max-width:980px;font-size:clamp(3.4rem,6.8vw,6.8rem);line-height:.92}.paper-wrapper:has(.bank-selector) .paper-description{color:var(--muted);margin-top:24px;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.05rem,1.5vw,1.24rem);line-height:1.6}.paper-wrapper:has(.bank-selector) .paper-shell>div:has(>.bank-selector){padding:0!important}.paper-wrapper:has(.bank-selector) .bank-selector{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:none;margin:0;display:grid}.paper-wrapper:has(.bank-selector) .bank-selector-button{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--card-radius);box-shadow:none;min-height:235px;transition:background var(--motion-fast) ease,border-color var(--motion-fast) ease,box-shadow var(--motion-fast) ease,transform var(--motion-fast) ease;justify-content:flex-end;gap:14px;padding:clamp(26px,3vw,36px);position:relative}.paper-wrapper:has(.bank-selector) .bank-selector-button:before{color:var(--muted);content:"FOUNDATIONAL · SKILL-BUILDING";font-family:var(--font-lattice-sans),sans-serif;letter-spacing:.09em;text-transform:uppercase;font-size:.6rem;font-weight:700;position:absolute;top:clamp(26px,3vw,36px);left:clamp(26px,3vw,36px)}.paper-wrapper:has(.bank-selector) .bank-selector-button:nth-child(2){background:var(--accent-green);border-color:var(--accent-green);color:var(--paper)}.paper-wrapper:has(.bank-selector) .bank-selector-button:nth-child(2):before{color:#f6f2eaad;content:"EXAM-STYLE APPLICATION"}.paper-wrapper:has(.bank-selector) .bank-selector-button:after{content:"↗";font-family:var(--font-lattice-sans),sans-serif;transition:transform var(--motion-fast) ease;font-size:1.2rem;position:absolute;top:clamp(24px,3vw,34px);right:clamp(26px,3vw,36px)}.paper-wrapper:has(.bank-selector) .bank-selector-button:hover{background:var(--surface-hover);box-shadow:var(--shadow-subtle);border-color:#35584773;transform:translateY(-3px)}.paper-wrapper:has(.bank-selector) .bank-selector-button:hover:after{transform:translate(4px,-4px)}.paper-wrapper:has(.bank-selector) .bank-selector-button:focus-visible{border-color:var(--accent-green);box-shadow:none;outline-offset:4px;outline:3px solid #35584761}.paper-wrapper:has(.bank-selector) .bank-title{color:inherit;font-size:clamp(1.8rem,3vw,2.7rem);font-weight:400}.paper-wrapper:has(.bank-selector) .bank-details{color:var(--muted);letter-spacing:.04em;font-size:.76rem}.paper-wrapper:has(.bank-selector) .bank-selector-button:nth-child(2) .bank-details{color:#f6f2eac2}.paper-wrapper:has(.bank-selector) .paper-footer{border-bottom:1px solid var(--border-subtle);border-top:0;order:-1;margin:0!important;padding:22px 0!important}.paper-wrapper:has(.bank-selector) .back-link{font-family:var(--font-lattice-sans),sans-serif;padding-block:8px;font-size:.75rem;font-weight:650;display:inline-flex}@media (max-width:1024px){.site-shell .subject-grid,.site-shell .subtopic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){.curriculum-topic-grid,.paper-wrapper:has(.bank-selector) .bank-selector,.site-shell .subject-grid,.site-shell .subtopic-grid{grid-template-columns:1fr}.site-shell .site-nav{min-height:70px}.site-shell .subject-section{min-height:calc(100svh - 70px);padding-top:70px}.site-shell .section-heading{display:block}.site-shell .subject-section h1{font-size:clamp(3.2rem,14vw,4.8rem)}.paper-wrapper:has(.bank-selector) .bank-selector-button{min-height:190px}}@media (max-width:520px){.curriculum-topic-card{grid-template-columns:46px minmax(0,1fr) auto;gap:14px;min-height:112px;padding:20px}.site-shell .subject-card,.site-shell .subtopic-card{min-height:136px;padding:20px}.paper-wrapper:has(.bank-selector) .paper-header{padding-top:68px}.paper-wrapper:has(.bank-selector) .paper-header h1{font-size:clamp(3rem,14vw,4.4rem)}}@media (prefers-reduced-motion:reduce){.curriculum-topic-arrow,.curriculum-topic-card,.paper-wrapper:has(.bank-selector) .bank-selector-button,.paper-wrapper:has(.bank-selector) .bank-selector-button:after,.site-shell .card-arrow,.site-shell .subject-card,.site-shell .subtopic-arrow,.site-shell .subtopic-card{transition:none}}.eyebrow,.journey-wordmark span,.paper-kicker,.paper-wrapper:has(.bank-selector) .paper-header:before,.wordmark span{color:#426b9e}.journey-header,.site-shell .site-nav{background:#f7faffc7}.journey-primary-action,.learning-paper .next-button,.primary-button{background:var(--action-blue);border-color:var(--action-blue);color:#fff;box-shadow:0 8px 20px #2563eb2e}.journey-primary-action:hover,.learning-paper .next-button:hover:not(:disabled),.primary-button:hover:not(:disabled){background:var(--action-blue-hover)}.curriculum-topic-card,.journey-card,.paper-wrapper:has(.bank-selector) .bank-selector-button,.site-shell .subject-card,.site-shell .subtopic-card{box-shadow:inset 0 1px #ffffffe6,0 8px 24px #1e539e0b}.curriculum-topic-card:hover,.paper-wrapper:has(.bank-selector) .bank-selector-button:hover,.site-shell a.subject-card:hover,.site-shell a.subtopic-card:hover,a.journey-card:hover{background:var(--surface-hover);box-shadow:var(--shadow-subtle);border-color:#82afea}.curriculum-topic-code,.journey-card-number,.site-shell .card-number,.site-shell .subtopic-code{color:#2d67ad}.curriculum-topic-arrow,.journey-card-arrow,.site-shell .card-arrow,.site-shell .subtopic-arrow{color:var(--action-blue)}.journey-card-disabled{color:#6f7f95;background:#ffffff47;border-color:#cbd8e9}.curriculum-topic-card:focus-visible,.journey-card:focus-visible,.journey-header-link:focus-visible,.journey-primary-action:focus-visible,.journey-wordmark:focus-visible,.learning-paper .answer-input:focus-visible,.learning-paper button:focus-visible,.maths-practice-shell .nav-link:focus-visible,.maths-practice-shell .wordmark:focus-visible,.paper-wrapper:has(.bank-selector) .bank-selector-button:focus-visible,.site-shell .nav-link:focus-visible,.site-shell .subject-card:focus-visible,.site-shell .subtopic-card:focus-visible,.site-shell .wordmark:focus-visible{outline-color:var(--focus-ring)}.paper-wrapper:has(.bank-selector) .bank-selector-button:nth-child(2){color:#fff;background:linear-gradient(145deg,#2563eb,#1d4ed8);border-color:#1d4ed8}.paper-wrapper:has(.bank-selector) .bank-selector-button:nth-child(2) .bank-details,.paper-wrapper:has(.bank-selector) .bank-selector-button:nth-child(2):before{color:#ffffffc2}.paper-wrapper:has(.bank-selector) .bank-selector-button:nth-child(2):hover{background:linear-gradient(145deg,#1d4ed8,#1e40af)}.maths-practice-shell .site-nav{background:#f7faffe6}.practice-question-count strong{color:var(--action-blue)}.practice-progress{background:var(--progress-track)}.practice-progress span{background:var(--progress-fill)}.learning-paper{border-color:#c8dbf2;box-shadow:0 22px 58px #1e539e21}.learning-paper .paper-controls,.learning-paper-header{background:linear-gradient(135deg,#f5f9ff,#eaf3ff)}.meta-pill{color:#24558e;background:#e8f2ff;border-color:#c5dbf7}.learning-paper .paper-main-question{border-color:#d4e3f5}.learning-paper .answer-label,.learning-paper .part-mark{color:#42658f}.learning-paper .answer-label:after{background:#d3e2f4}.learning-paper .answer-input{background:#f8fbff;border-color:#c5d9f1}.learning-paper .answer-input::placeholder{color:#74869e}.learning-paper .answer-input:focus{border-color:var(--action-blue);background:#fff;box-shadow:0 0 0 4px #2563eb1f}.learning-paper .solution-wrap{background:#edf6ff;border-color:#bdd6f4}.learning-paper .mark-scheme li,.learning-paper .solution-block,.solution-heading{border-color:#c7dcf4}.learning-paper .mark-scheme strong{color:#174a88;background:#d9eaff}.learning-paper .examiner-tip-block{background:var(--tip-surface);border-color:#ead489}.learning-paper .solution-button{color:#174a88;background:#fff;border-color:#80aae0}.learning-paper .solution-button:hover{background:#e7f1ff}.learning-paper .ghost-button{color:#365779}.learning-paper .ghost-button:hover:not(:disabled){background:#edf4fc}.ghost-button:disabled,.learning-paper .next-button:disabled,.primary-button:disabled{box-shadow:none;color:#8190a3;background:#e7edf5;border-color:#d3deec}.learning-paper .answer-check-feedback{color:#174a88;background:#edf6ff;border:1px solid #bdd6f4;border-radius:8px;margin-top:20px;padding:16px 20px}.learning-paper .answer-check-feedback p{margin:0}.learning-paper .answer-check-feedback p+p{margin-top:6px}.learning-paper .answer-check-feedback--correct{color:#245438;background:#f0f8f3;border-color:#b7d7c2}.learning-paper .answer-check-feedback--incorrect{color:#754510;background:#fff8ed;border-color:#e6cfaa}.learning-paper .answer-check-feedback--partially-correct{color:#294c75;background:#f5f7fc;border-color:#c5d4e8;border-left:4px solid #b58a3b}.learning-paper .answer-check-actions{flex-wrap:wrap}.ai-feedback-workspace{margin-top:18px}.ai-feedback-actions{flex-wrap:wrap;gap:10px;display:flex}.learning-paper .ai-feedback-actions button{color:#174a88;background:#fff;border-color:#80aae0}.learning-paper .ai-feedback-actions button:hover:not(:disabled){background:#e7f1ff}.learning-paper .ai-feedback-actions button:disabled{color:#52647a;cursor:wait;background:#e7edf5;border-color:#c5d4e8}.ai-feedback-panel{color:#174a88;background:#f2f8ff;border:1px solid #bdd6f4;border-radius:8px;margin-top:14px;padding:16px 20px}.ai-feedback-panel--explanation{background:#e8f2ff;border-color:#9fbfe7}.ai-feedback-panel p{margin:0}.ai-feedback-panel p+p{margin-top:8px}.ai-feedback-label{letter-spacing:.05em;text-transform:uppercase;font-size:.78rem;font-weight:700}@media (max-width:900px){.learning-paper .answer-check-actions .next-button{grid-area:auto}}.curriculum-topic-card,.site-shell a.subject-card,.site-shell a.subtopic-card,a.journey-card{transition-duration:.22s}.curriculum-topic-card .curriculum-topic-code,.site-shell a.subject-card .card-number,.site-shell a.subtopic-card .subtopic-code,a.journey-card .journey-card-number{isolation:isolate;position:relative}.curriculum-topic-card .curriculum-topic-code:before,.site-shell a.subject-card .card-number:before,.site-shell a.subtopic-card .subtopic-code:before,a.journey-card .journey-card-number:before{aspect-ratio:1;content:"";z-index:-1;background:#dbeafeb8;border:1px solid #b8d3f5;border-top-color:#6099df;border-radius:50%;width:30px;transition:transform .22s;position:absolute;top:50%;left:-9px;transform:translateY(-50%)}.curriculum-topic-card:focus-within,.site-shell a.subject-card:focus-within,.site-shell a.subtopic-card:focus-within,a.journey-card:focus-within{background:var(--surface-hover);border-color:#73a5e4;transform:translateY(-3px);box-shadow:0 20px 48px #1e539e29}.curriculum-topic-card:focus-within .curriculum-topic-code:before,.site-shell a.subject-card:focus-within .card-number:before,.site-shell a.subtopic-card:focus-within .subtopic-code:before,a.journey-card:focus-within .journey-card-number:before{transform:translateY(-50%)rotate(11deg)scale(1.03)}.curriculum-topic-card:focus-within .curriculum-topic-arrow,.site-shell a.subject-card:focus-within .card-arrow,.site-shell a.subtopic-card:focus-within .subtopic-arrow,a.journey-card:focus-within .journey-card-arrow{transform:translate(3px,-3px)}@media (hover:hover){.curriculum-topic-card:hover,.site-shell a.subject-card:hover,.site-shell a.subtopic-card:hover,a.journey-card:hover{border-color:#73a5e4;transform:translateY(-3px);box-shadow:0 20px 48px #1e539e29}.curriculum-topic-card:hover .curriculum-topic-code:before,.site-shell a.subject-card:hover .card-number:before,.site-shell a.subtopic-card:hover .subtopic-code:before,a.journey-card:hover .journey-card-number:before{transform:translateY(-50%)rotate(11deg)scale(1.03)}.curriculum-topic-card:hover .curriculum-topic-arrow,.site-shell a.subject-card:hover .card-arrow,.site-shell a.subtopic-card:hover .subtopic-arrow,a.journey-card:hover .journey-card-arrow{transform:translate(3px,-3px)}}@media (prefers-reduced-motion:reduce){.curriculum-topic-card,.curriculum-topic-card .curriculum-topic-code:before,.site-shell a.subject-card,.site-shell a.subject-card .card-number:before,.site-shell a.subtopic-card,.site-shell a.subtopic-card .subtopic-code:before,a.journey-card,a.journey-card .journey-card-number:before{transition:none}.curriculum-topic-card:focus-within,.curriculum-topic-card:focus-within .curriculum-topic-arrow,.curriculum-topic-card:hover,.curriculum-topic-card:hover .curriculum-topic-arrow,.site-shell a.subject-card:focus-within,.site-shell a.subject-card:focus-within .card-arrow,.site-shell a.subject-card:hover,.site-shell a.subject-card:hover .card-arrow,.site-shell a.subtopic-card:focus-within,.site-shell a.subtopic-card:focus-within .subtopic-arrow,.site-shell a.subtopic-card:hover,.site-shell a.subtopic-card:hover .subtopic-arrow,a.journey-card:focus-within,a.journey-card:focus-within .journey-card-arrow,a.journey-card:hover,a.journey-card:hover .journey-card-arrow{transform:none}.curriculum-topic-card:focus-within .curriculum-topic-code:before,.curriculum-topic-card:hover .curriculum-topic-code:before,.site-shell a.subject-card:focus-within .card-number:before,.site-shell a.subject-card:hover .card-number:before,.site-shell a.subtopic-card:focus-within .subtopic-code:before,.site-shell a.subtopic-card:hover .subtopic-code:before,a.journey-card:focus-within .journey-card-number:before,a.journey-card:hover .journey-card-number:before{transform:translateY(-50%)}}.journey-header,.site-shell .site-nav,body{background:var(--paper)}.journey-wordmark,.wordmark{color:var(--ink);font-weight:800}.journey-wordmark span,.wordmark span{color:var(--muted);font-weight:500}.eyebrow,.paper-kicker{color:#236346;letter-spacing:.075em}.bank-title,.journey-hero h1,.journey-section h1,.journey-section h2,.paper-wrapper:has(.bank-selector) .paper-description,.site-main h1,.subtopic-label{font-family:var(--font-lattice-sans),Arial,sans-serif}.journey-hero h1{letter-spacing:-.06em;font-size:clamp(3.5rem,8vw,7rem);font-weight:750;line-height:1.02}.journey-section h1,.journey-section h2,.site-main h1{letter-spacing:-.04em;font-weight:700;line-height:1.12}.paper-shell .paper-content{font-family:Georgia,Times New Roman,serif}.journey-primary-action,.learning-paper .next-button,.primary-button{box-shadow:none}.extreme-promo{border-left:4px solid #765328}.extreme-practice-note{color:#553c1f;background:#fff7e9;border:1px solid #d9c39d;border-radius:10px;padding:12px 16px;font-size:.9rem;line-height:1.55}.extreme-bank-info{margin-top:28px}.large-question-bank .question-map>div{overscroll-behavior:contain;max-height:360px;padding:4px;overflow-y:auto}@media (max-width:720px){.large-question-bank .question-map>div{border:1px solid #ceddd1;border-radius:8px;max-height:104px;margin:8px 0;padding:6px}}.mistake-bank-promo{color:#214637;background:#eef7f2;border:1px solid #b8d6c8;border-radius:12px;justify-content:space-between;align-items:center;gap:20px;margin:20px 0;padding:18px 22px;display:flex}.mistake-bank-promo strong{font-size:1rem}.mistake-bank-promo p{margin:6px 0 0;font-size:.86rem;line-height:1.5}.mistake-bank-promo a{color:#164e39;text-underline-offset:3px;flex-shrink:0;font-weight:700;text-decoration:underline}.mistake-count{color:#fff;background:#194f3c;border-radius:12px;justify-content:center;align-items:center;min-width:21px;height:21px;margin-left:5px;padding:0 5px;font-size:.7rem;display:inline-flex}.nav-error-bank[data-current=true]>a{text-underline-offset:5px;font-weight:700;text-decoration:underline}.similar-questions{color:#213b30;background:#f0f8f3;border:1px solid #a9cbbb;border-radius:12px;margin:24px 0;padding:24px}.similar-questions h2{margin:5px 0 10px;font-size:1.5rem}.similar-question-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px;display:grid}.similar-question-grid a{color:#244b38;background:#fff;border:1px solid #b3cbbf;border-radius:9px;flex-direction:column;gap:10px;padding:18px;text-decoration:none;display:flex}.similar-question-grid a:hover{background:#fafdfa;border-color:#32634c}.similar-question-grid small,.similar-question-grid span{font-size:.78rem;line-height:1.5}.similar-question-grid strong{font-size:1.15rem}.similar-question-grid b{margin-top:auto;font-size:.86rem}.retry-solved>details{margin:12px 0}.mistake-bank-promo a:focus-visible,.similar-question-grid a:focus-visible{outline-offset:4px;outline:3px solid #285c46}@media (max-width:720px){.similar-question-grid{grid-template-columns:1fr}.mistake-bank-promo{flex-direction:column;align-items:flex-start;gap:12px;padding:16px}.similar-questions{padding:18px}}.practice-entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0 32px;display:grid}.practice-entry{color:#183d34;background:#fff;border:1px solid #cbd5d0;border-radius:12px;flex-direction:column;gap:12px;padding:26px;text-decoration:none;transition:border-color .15s,background .15s;display:flex}.practice-entry:hover{background:#f3f8f5;border-color:#267260}.practice-entry-tmua{background:#e8f2ec;border-color:#b0cabb}.practice-entry h2{letter-spacing:-.025em;margin:0;font-size:27px}.practice-entry p{color:#405d53;margin:0;line-height:1.65}.practice-entry strong{margin-top:auto;padding-top:6px}.practice-board-group{margin:28px 0;scroll-margin-top:24px}.practice-board-group>h2{letter-spacing:-.02em;margin-bottom:6px;font-size:26px}.practice-board-group>p{color:#4b6259;margin-bottom:16px}.practice-board-group .course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-card h3{letter-spacing:-.02em;margin:10px 0;font-size:23px}.recovery-page{padding-top:70px;padding-bottom:90px}.recovery-page h1{margin:12px 0 20px;font-size:clamp(30px,5vw,48px);line-height:1.15}.recovery-page>p{max-width:540px;line-height:1.75}.recovery-page>.practice-actions{margin:28px 0}.mock-status{color:#425768;background:#eef1f4;border-radius:5px;width:fit-content;padding:5px 9px;font-size:12px;font-weight:600}.mock-status-active{color:#20523d;background:#e5f3ea}.mock-status-finished{color:#244c69;background:#dfeefb}@media (max-width:620px){.practice-board-group .course-grid,.practice-entry-grid{grid-template-columns:1fr}.practice-entry{padding:22px}.practice-board-group{margin:24px 0}}.practice-account-note{color:#53685e;padding:8px 0;font-size:12px;line-height:1.6}.practice-account-note a{color:#234e3d;text-decoration:underline}@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-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}