/*! 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-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--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}::backdrop{--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-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--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{: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-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]){appearance:button}::file-selector-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}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.hidden{display:none}.table{display:table}.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,)}.border{border-style:var(--tw-border-style);border-width:1px}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.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,)}}:root{--navy:#123b5d;--navy-dark:#082c46;--gold:#c7943e;--gold-pale:#e5c98f;--forest:#234d3c;--cream:#fbf6ea;--paper:#fffdf7;--terracotta:#c97955;--blue:#7fa9ba;--ink:#193347;--muted:#62727e;--line:#dfd2b8;--shadow:0 18px 50px #1b303d1f}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--cream);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible{outline-offset:3px;outline:3px solid #e49c2f}p{text-wrap:pretty}main{background:var(--cream);min-height:100vh;overflow-x:hidden}.content-width{width:min(1180px,100% - 48px);margin-inline:auto}.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}.site-header{z-index:50;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffdf7f0;border-bottom:1px solid #c7943e59;align-items:center;gap:34px;height:82px;padding:0 max(24px,50vw - 620px);display:flex;position:sticky;top:0;box-shadow:0 7px 28px #082c460d}.brand{cursor:pointer;text-align:left;background:0 0;border:0;align-items:center;gap:11px;min-width:240px;padding:0;display:flex}.brand-mark{color:#fff7dc;background:var(--navy);border:2px solid var(--gold);letter-spacing:1px;border-radius:50%;place-items:center;width:42px;height:42px;font:700 14px Georgia,serif;display:grid;box-shadow:0 0 0 3px #e8dcc2}.brand strong{color:var(--navy-dark);font:700 18px/1 Georgia,Times New Roman,serif;display:block}.brand small{color:var(--gold);letter-spacing:3px;margin-top:4px;font:italic 15px/1 Georgia,serif;display:block}.site-header nav{align-items:center;gap:5px;margin-left:auto;display:flex}.site-header nav button,.accessibility button{cursor:pointer;background:0 0;border:0;border-radius:999px}.site-header nav button{color:#385368;padding:11px 14px;font-size:13px;font-weight:700}.site-header nav button:hover{color:var(--navy-dark);background:#f2e7d1}.accessibility{border-left:1px solid var(--line);gap:6px;padding-left:10px;display:flex}.accessibility button{border:1px solid var(--line);width:38px;height:38px;font-weight:800}.accessibility button:hover,.accessibility button.active{color:#fff;background:var(--navy);border-color:var(--navy)}.hero{isolation:isolate;border-bottom:1px solid #c7943e59;align-items:center;min-height:680px;display:grid;position:relative;overflow:hidden}.hero:after{content:"";z-index:0;pointer-events:none;border:1px solid #c7943e8c;border-radius:28px;position:absolute;inset:28px}.hero>img{object-fit:cover;object-position:center;z-index:-2;width:100%;height:100%;position:absolute;inset:0}.hero:before{content:"";z-index:-1;background:linear-gradient(90deg,#fffdf7fa 0%,#fffdf7e8 39%,#fffdf729 70%,#fffdf700 100%);position:absolute;inset:0}.hero-copy{width:min(1180px,100% - 96px);margin-inline:auto;padding:78px 0 66px}.hero-copy>*{max-width:610px}.kicker{color:#9b6a1b;letter-spacing:2.2px;text-transform:uppercase;margin:0 0 14px;font-size:12px;font-weight:800}.hero h1{max-width:660px;color:var(--navy-dark);letter-spacing:-4px;margin:0;font:700 clamp(54px,6.8vw,96px)/.88 Georgia,Times New Roman,serif}.hero h1 em{color:var(--gold);letter-spacing:6px;margin-top:15px;font-weight:400;display:block}.hero-lead{color:var(--navy);margin:28px 0 0;font:700 clamp(19px,2.1vw,27px)/1.3 Georgia,serif}.hero-detail{color:#536776;text-align:justify;-webkit-hyphens:auto;hyphens:auto;max-width:540px;margin:14px 0 0;font-size:15px;line-height:1.75}.hero-actions{align-items:center;gap:14px;margin-top:28px;display:flex}.primary,.secondary,.ghost{cursor:pointer;border-radius:999px;min-height:48px;padding:0 20px;font-size:13px;font-weight:800}.primary{color:#fff7dc;background:var(--navy);border:1px solid var(--navy);box-shadow:inset 0 0 0 2px #c7943e59,0 8px 22px #082c462e}.primary:hover{background:var(--navy-dark);transform:translateY(-1px)}.primary span{margin-left:12px}.secondary{color:var(--navy-dark);border:1px solid var(--gold);background:#fff}.ghost{color:var(--navy);border:1px solid var(--line);background:0 0}.hero-search{background:#ffffffeb;border:1px solid #d9c59f;border-radius:999px;align-items:center;gap:8px;width:282px;height:48px;padding:0 15px;display:flex;box-shadow:0 8px 22px #2d3e4512}.hero-search input{min-width:0;color:var(--navy-dark);background:0 0;border:0;outline:0;flex:1;font-size:13px}.hero-search>span:last-child{color:var(--gold);font-size:24px}.hero-stats{gap:0;margin-top:34px;display:flex}.hero-stats span{color:#5c6e79;text-transform:uppercase;letter-spacing:.7px;border-left:1px solid #d9c59f;min-width:122px;padding:0 20px;font-size:11px}.hero-stats span:first-child{border-left:0;padding-left:0}.hero-stats strong{color:var(--navy);margin-bottom:3px;font:700 25px Georgia,serif;display:block}.search-panel{padding:56px 0 24px}.section-heading{grid-template-columns:1fr minmax(260px,480px);align-items:end;gap:60px;margin-bottom:34px;display:grid}.section-heading.compact{grid-template-columns:1fr auto;align-items:center}.section-heading h2,.how-intro h2,.quote-section blockquote{color:var(--navy-dark);letter-spacing:-1.4px;margin:0;font:700 clamp(34px,4vw,52px)/1.05 Georgia,serif}.section-heading>p,.how-intro>p:last-child{color:var(--muted);text-align:justify;-webkit-hyphens:auto;hyphens:auto;margin:0;font-size:14px;line-height:1.75}.text-button{color:var(--navy);cursor:pointer;background:0 0;border:0;font-weight:700;text-decoration:underline}.search-results{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.search-results button{border:1px solid var(--line);cursor:pointer;text-align:left;background:#fffdf8;border-radius:14px;grid-template-columns:50px 1fr auto;align-items:center;gap:14px;padding:13px;display:grid}.search-results button:hover{border-color:var(--gold);box-shadow:0 8px 22px #082c4612}.search-results strong,.search-results small{display:block}.search-results strong{font:700 16px Georgia,serif}.search-results small{color:var(--muted);margin-top:4px}.mini-level{color:#fff;background:var(--navy);border-radius:9px;place-items:center;width:46px;height:36px;font:700 12px Georgia,serif;display:grid}.mini-level.a2,.topic-level-badge.a2{background:#876136}.mini-level.b1,.topic-level-badge.b1{background:#3d6a62}.mini-level.b2,.topic-level-badge.b2{background:#8b5139}.mini-level.c1,.topic-level-badge.c1{background:#495a7c}.mini-level.c2,.topic-level-badge.c2{background:#423d58}.mini-level.teacher,.topic-level-badge.teacher{background:#735b28}.empty-state{border:1px dashed var(--gold);text-align:center;color:var(--muted);background:#ffffff8c;border-radius:18px;padding:32px}.levels-section{padding:92px 0 112px}.level-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.level-card{--accent:#517f93;isolation:isolate;background:#fffdf7f0;border:1px solid #c7943e61;border-radius:24px 5px;flex-direction:column;min-height:352px;padding:28px;display:flex;position:relative;overflow:hidden;box-shadow:0 12px 35px #24384212}.level-card:before{content:"";z-index:-1;border:1px solid var(--accent);position:absolute;inset:9px}@supports (color:color-mix(in lab, red, red)){.level-card:before{border:1px solid color-mix(in srgb, var(--accent) 25%, transparent)}}.level-card:before{pointer-events:none;border-radius:18px 3px}.card-wash{z-index:-2;opacity:.2;background:radial-gradient(circle at 35% 35%, var(--accent), transparent 67%);filter:blur(3px);border-radius:48% 52% 61% 39%;width:220px;height:220px;position:absolute;top:-75px;right:-60px;transform:rotate(17deg)}.level-a2{--accent:#ad7c46}.level-b1{--accent:#4c806f}.level-b2{--accent:#c06d4d}.level-c1{--accent:#627396}.level-c2{--accent:#655a7d}.level-teacher{--accent:#a78235;grid-column:span 3;min-height:270px;padding-right:35%}.level-eyebrow{color:var(--accent);letter-spacing:1.8px;text-transform:uppercase;margin:0 0 19px;font-size:10px;font-weight:800}.level-title{color:var(--accent);justify-content:space-between;align-items:start;display:flex}.level-title>span{letter-spacing:-3px;font:700 62px/1 Georgia,serif}.level-title small{color:#b9a988;padding-top:8px;font:italic 13px Georgia,serif}.level-card h3{color:var(--navy-dark);margin:13px 0 9px;font:700 23px/1.1 Georgia,serif}.level-card>p:not(.level-eyebrow){color:var(--muted);text-align:justify;-webkit-hyphens:auto;hyphens:auto;margin:0;font-size:13px;line-height:1.65}.level-meta{color:#7f735f;letter-spacing:.7px;text-transform:uppercase;gap:15px;margin-top:auto;padding-top:18px;font-size:10px;font-weight:800;display:flex}.level-card>button{width:100%;color:var(--navy);border:0;border-top:1px solid var(--line);cursor:pointer;background:0 0;justify-content:space-between;align-items:center;margin-top:16px;padding:14px 0 0;font-size:12px;font-weight:800;display:flex}.level-card>button span{color:#fff;background:var(--accent);border-radius:50%;place-items:center;width:30px;height:30px;display:grid}.level-card:hover{transition:all .2s;transform:translateY(-4px);box-shadow:0 20px 45px #2438421f}.how-section{background:var(--navy-dark);color:#eef3f4;padding:105px 0;position:relative;overflow:hidden}.how-section:before,.how-section:after{content:"";filter:blur(4px);opacity:.16;border-radius:50%;width:340px;height:340px;position:absolute}.how-section:before{background:var(--blue);top:-170px;left:-160px}.how-section:after{background:var(--terracotta);bottom:-170px;right:-120px}.how-inner{grid-template-columns:.85fr 1.15fr;align-items:start;gap:86px;display:grid}.how-intro h2{color:#fff8e8}.how-intro>p:last-child{color:#c6d3d9;margin-top:25px}.steps{grid-template-columns:repeat(2,1fr);gap:14px;margin:0;padding:0;list-style:none;display:grid}.steps li{background:#ffffff0f;border:1px solid #e5c98f40;border-radius:18px 4px;gap:16px;min-height:155px;padding:22px;display:flex}.steps li>span{height:35px;color:var(--navy-dark);background:var(--gold-pale);border-radius:50%;flex:0 0 35px;place-items:center;font:700 16px Georgia,serif;display:grid}.steps strong{color:#fff9e9;font:700 18px Georgia,serif;display:block}.steps p{color:#b8c9d0;margin:8px 0 0;font-size:12px;line-height:1.55}.quote-section{text-align:center;padding:95px 10%}.quote-mark{height:48px;color:var(--gold);font:400 82px/1 Georgia,serif;display:block}.quote-section blockquote{max-width:870px;margin:0 auto;font-size:clamp(28px,3.5vw,46px);font-style:italic;font-weight:400}.quote-section p{color:var(--gold);letter-spacing:2px;text-transform:uppercase;font-size:10px;font-weight:800}.site-footer{color:#b9c7cc;background:#061f31;grid-template-columns:2fr 1fr 1fr;gap:50px;padding:65px max(24px,50vw - 590px) 80px;display:grid;position:relative}.footer-brand{color:#fff6db;cursor:pointer;background:0 0;border:0;padding:0;font:700 24px Georgia,serif}.footer-brand em{color:var(--gold);font-weight:400}.site-footer>div:first-child p{color:#91a6b0;max-width:380px;font-size:13px;line-height:1.7}.site-footer strong{color:#fff6db;margin-bottom:15px;font:700 15px Georgia,serif;display:block}.site-footer div button,.site-footer div span{color:#9fb1b8;text-align:left;background:0 0;border:0;margin:8px 0;padding:0;font-size:12px;display:block}.site-footer div button{cursor:pointer}.site-footer div button:hover{color:#fff}.copyright{color:#6f858e;border-top:1px solid #ffffff1a;padding-top:15px;font-size:10px;position:absolute;bottom:20px;left:max(24px,50vw - 590px);right:max(24px,50vw - 590px)}.level-view{padding:45px 0 100px}.breadcrumbs{color:#71818c;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:25px;font-size:12px;display:flex}.breadcrumbs button{color:var(--navy);cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.breadcrumbs strong{color:#496073}.level-banner{--banner:#567f91;color:#fff;background:linear-gradient(120deg, var(--navy-dark), var(--banner));border-radius:28px 7px;justify-content:space-between;align-items:center;min-height:250px;padding:48px 60px;display:flex;position:relative;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.level-banner{background:linear-gradient(120deg, var(--navy-dark), color-mix(in srgb, var(--banner) 65%, var(--navy-dark)))}}.level-banner{box-shadow:var(--shadow)}.level-banner:after{content:"";border:1px solid #ffffff40;border-radius:47% 53% 35% 65%;width:340px;height:340px;position:absolute;top:-90px;right:-50px;transform:rotate(25deg);box-shadow:inset 0 0 80px #ffffff17}.banner-a2{--banner:#9b7041}.banner-b1{--banner:#41715f}.banner-b2{--banner:#a85a3f}.banner-c1{--banner:#5b6887}.banner-c2{--banner:#554b6c}.banner-teacher{--banner:#8c6c2e}.level-banner>div:first-child{z-index:1;max-width:720px;position:relative}.level-banner h1{color:#fff8e7;margin:0;font:700 clamp(36px,5vw,58px)/1 Georgia,serif}.level-banner h1 span{color:var(--gold-pale);margin-right:12px}.level-banner p:last-child{color:#d7e1e5;max-width:650px;margin:18px 0 0;font-size:14px;line-height:1.7}.banner-count{z-index:1;text-align:center;min-width:140px;position:relative}.banner-count strong{color:var(--gold-pale);font:700 58px Georgia,serif;display:block}.banner-count span{letter-spacing:1.5px;text-transform:uppercase;font-size:10px}.catalog-toolbar{justify-content:space-between;align-items:end;gap:30px;margin:38px 0 22px;display:flex}.catalog-toolbar label{width:min(520px,100%);color:var(--navy);letter-spacing:1px;text-transform:uppercase;font-size:11px;font-weight:800;display:block}.catalog-toolbar input{border:1px solid var(--line);text-transform:none;letter-spacing:0;background:#fffdf8;border-radius:12px;outline:0;width:100%;height:48px;margin-top:8px;padding:0 16px;display:block}.catalog-toolbar>span{color:#71818c;font-size:12px}.topic-list{gap:9px;display:grid}.topic-list article{border:1px solid var(--line);background:#fffdf8d1;border-radius:15px 4px;grid-template-columns:58px 1fr auto;align-items:center;gap:18px;min-height:92px;padding:16px 19px;display:grid}.topic-list article:hover{border-color:var(--gold);background:#fffefb;box-shadow:0 9px 25px #082c460f}.topic-number{color:#9c742d;border:1px solid #d8b878;border-radius:50%;place-items:center;width:46px;height:46px;font:italic 15px Georgia,serif;display:grid}.topic-list h2{color:var(--navy-dark);margin:0;font:700 19px Georgia,serif}.topic-list p{color:#7b8992;margin:6px 0 0;font-size:11px}.topic-list article button{min-width:152px;color:var(--navy);cursor:pointer;background:0 0;border:1px solid #cbb88e;border-radius:999px;padding:11px 15px;font-size:11px;font-weight:800}.topic-list article button:hover{color:#fff;background:var(--navy);border-color:var(--navy)}.topic-list article button span{margin-left:8px}.back-home{color:var(--navy);cursor:pointer;background:0 0;border:0;margin:35px auto 0;padding:12px 18px;font-weight:700;display:block}.topic-view{background:linear-gradient(#f8f1e3,#eee3cf);padding:42px 0 85px}.topic-shell{width:min(1040px,100% - 48px);margin:0 auto 32px}.topic-heading{justify-content:space-between;align-items:center;gap:30px;display:flex}.topic-heading h1{color:var(--navy-dark);margin:0;font:700 clamp(36px,5vw,60px)/1 Georgia,serif}.topic-heading>div>p:last-child{color:var(--muted)}.topic-level-badge{color:#fff7df;background:var(--navy);border:3px solid var(--gold);border-radius:50%;flex:0 0 88px;place-items:center;height:88px;font:700 22px Georgia,serif;display:grid;box-shadow:0 0 0 6px #ffffffb3}.topic-level-badge.teacher{letter-spacing:.1px;white-space:nowrap;font-size:14px}.download-panel{border:1px solid var(--line);background:#ffffffb3;border-radius:18px;justify-content:space-between;align-items:center;gap:20px;margin-top:28px;padding:15px;display:flex;box-shadow:0 10px 30px #082c460f}.version-switch{background:#e8dcc4;border-radius:999px;gap:5px;padding:4px;display:flex}.version-switch button{cursor:pointer;background:0 0;border:0;border-radius:999px;padding:10px 14px;font-size:11px;font-weight:800}.version-switch button.active{color:#fff;background:var(--navy)}.download-actions{gap:8px;display:flex}.download-actions button{min-height:42px}.material-preview{gap:32px;width:-moz-fit-content;width:fit-content;margin:0 auto;display:grid}.print-sheet{color:#18364b;background:var(--paper);flex-direction:column;width:210mm;height:297mm;padding:12mm 14mm 10mm;font-family:Arial,Helvetica,sans-serif;font-size:11px;line-height:1.38;display:flex;position:relative;overflow:hidden;box-shadow:0 18px 55px #262f3533}.print-sheet:before{content:"";z-index:0;opacity:.17;background:radial-gradient(circle,#6e9eb2 0% 28%,#0000 69%);border-radius:50%;width:220px;height:220px;position:absolute;top:-80px;left:-70px}.print-sheet:after{content:"";z-index:0;opacity:.13;background:radial-gradient(circle,#d07e58 0% 28%,#0000 70%);border-radius:50%;width:230px;height:230px;position:absolute;bottom:-90px;right:-70px}.sheet-border{z-index:0;pointer-events:none;border:.35mm solid #c7943e99;border-radius:4mm .5mm;position:absolute;inset:6mm}.print-sheet>:not(.sheet-border){z-index:1;position:relative}.sheet-header{border-bottom:.35mm solid var(--gold);justify-content:space-between;align-items:start;min-height:14mm;padding-bottom:3mm;display:flex}.sheet-header p{color:var(--navy);margin:0;font:700 13px Georgia,serif}.sheet-header span{color:#8f6b2d;letter-spacing:.8px;text-transform:uppercase;margin-top:2px;font-size:8px;font-weight:800;display:block}.sheet-header b{color:#fff8df;background:var(--navy);border:.5mm solid var(--gold);border-radius:50%;place-items:center;width:12mm;height:12mm;font:700 10px Georgia,serif;display:grid}.print-sheet>h1{color:var(--navy-dark);letter-spacing:-.7px;text-transform:uppercase;margin:7mm 0 3mm;font:700 26px/.95 Georgia,serif}.sheet-lead{color:#425969;text-align:justify;-webkit-hyphens:auto;hyphens:auto;margin:0 0 4mm;font-size:10.8px;line-height:1.5}.print-sheet h2{color:var(--navy);border-bottom:.3mm solid #dcb971;margin:3mm 0 2mm;padding-bottom:1.2mm;font:700 14px Georgia,serif}.print-sheet h3{color:var(--navy);margin:0 0 1mm;font:700 11px Georgia,serif}.two-columns{grid-template-columns:1fr 1fr;gap:5mm;display:grid}.two-columns section{background:#ece4d373;border-radius:2mm;padding:2.5mm 3mm}.print-sheet ul{margin:0;padding-left:5mm}.print-sheet li{margin:1mm 0}.formula-table{gap:1mm;display:grid}.formula-table>div{border:.25mm solid #d9c6a1;border-radius:2mm;grid-template-columns:18mm minmax(0,1fr);min-height:8.6mm;display:grid;overflow:hidden}.formula-table.wide-labels>div{grid-template-columns:32mm minmax(0,1fr)}.formula-table span{color:#fff;background:var(--navy);text-align:center;overflow-wrap:anywhere;place-items:center;min-width:0;padding:0 1mm;font:700 12.6px/1.05 Georgia,serif;display:grid}.formula-table strong{overflow-wrap:anywhere;align-items:center;min-width:0;padding:1.5mm 2.5mm;font-size:10.4px;line-height:1.25;display:flex}.examples{grid-template-columns:repeat(3,1fr);gap:2mm;display:grid}.examples>div{border-left:.8mm solid var(--gold);background:#f6f0e4;padding:2.5mm}.examples strong,.examples span{display:block}.examples strong{color:var(--navy-dark);font-size:10.2px}.examples span{color:#5f6d76;margin-top:1.2mm;font-size:9.3px;font-style:italic}.signal-box{border:.3mm solid #d6ba7e;border-radius:2mm;grid-template-columns:32mm 1fr;align-items:center;gap:4mm;margin-top:3mm;padding:2.5mm 3mm;display:grid}.signal-box h3,.signal-box p{margin:0}.signal-box p{color:#4c6270;font-size:9.8px}.memory-grid{grid-template-columns:1fr 1fr;gap:2.5mm;margin:3mm 0 2.5mm;display:grid}.memory-grid aside{background:#edf3f3;border:.25mm solid #bed0d1;border-radius:2mm;gap:2.5mm;padding:2.5mm;display:flex}.memory-grid aside:last-child{background:#f8eee8;border-color:#e1c2b1}.memory-grid aside>span{color:#fff;background:var(--navy);border-radius:50%;flex:0 0 7mm;place-items:center;height:7mm;font-weight:800;display:grid}.memory-grid aside:last-child>span{background:var(--terracotta)}.memory-grid p{color:#425866;text-align:justify;-webkit-hyphens:auto;hyphens:auto;margin:0;font-size:9.6px;line-height:1.36}.print-sheet>footer{color:#7d735f;text-transform:uppercase;letter-spacing:.8px;border-top:.25mm solid #d7c8ac;flex:none;justify-content:space-between;width:100%;margin-top:auto;padding-top:2mm;font-size:7.5px;display:flex;position:relative;bottom:auto;left:auto;right:auto}.first-sheet{justify-content:space-between}.first-sheet>footer{margin-top:0}.exercise-sheet>h1{margin-bottom:2mm}.exercises{flex:auto;grid-template-rows:repeat(10,minmax(min-content,1fr));grid-template-columns:1fr 1fr;grid-auto-flow:column;gap:1.35mm 1.8mm;min-height:0;margin:2mm 0;display:grid}.exercises>section{break-inside:avoid;background:#ffffff9e;border:.3mm solid #dac7a1;border-radius:1.7mm;grid-template-columns:7mm 1fr;align-content:start;gap:1.6mm;min-width:0;min-height:0;padding:1.35mm 1.6mm;display:grid;overflow:hidden}.exercise-number{color:#fff7dc;background:var(--navy);border:.3mm solid var(--gold);border-radius:50%;place-items:center;width:7mm;height:7mm;font:700 8.8px Georgia,serif;display:grid}.exercises p{color:#263f50;overflow-wrap:anywhere;margin:.2mm 0;font-size:11px;line-height:1.2}.answer-lines{gap:1.5mm;margin-top:1.5mm;display:grid}.answer-lines span{border-bottom:.25mm dotted #9d927e}.exercises .answer{color:#111;border-left:.65mm solid var(--gold);background:#ede9df;margin-top:.6mm;padding:.75mm 1mm;font-size:10px;line-height:1.14}.exercises .dense-exercise p{font-size:10.2px}.exercises .dense-exercise .answer{font-size:9.4px}.self-check{border:.35mm solid var(--gold);background:#fbf4e6;border-radius:2mm;flex:none;margin:1mm 0 1.5mm;padding:1.5mm 2mm}.self-check h2{margin-top:0}.self-check>div{justify-content:space-between;gap:2mm;font-size:8.7px;display:flex}.bottom-actions{justify-content:center;gap:10px;margin-top:32px;display:flex}.bottom-actions button{color:var(--navy);cursor:pointer;background:#ffffffb3;border:1px solid #c9b68e;border-radius:999px;padding:11px 18px;font-weight:700}.large-text{font-size:112%}.large-text .site-header nav button,.large-text .level-card>p,.large-text .topic-list p{font-size:14px}.high-contrast{--navy:#002b4d;--navy-dark:#001d35;--gold:#9b6500;--cream:#fff;--paper:#fff;--ink:#000;--muted:#263238;--line:#70664f}.high-contrast .hero:before{background:#fffffff0}@media (max-width:1000px){.site-header{gap:15px}.brand{min-width:200px}.site-header nav button{padding-inline:8px;font-size:11px}.hero{min-height:630px}.hero-copy{width:calc(100% - 64px)}.hero-copy>*{max-width:54%}.hero h1{font-size:56px}.hero-actions{flex-direction:column;align-items:stretch;max-width:370px}.hero-search{width:100%}.level-grid{grid-template-columns:repeat(2,1fr)}.level-teacher{grid-column:span 2;padding-right:28px}.how-inner{grid-template-columns:1fr;gap:45px}.print-sheet{width:min(210mm,100vw - 24px);height:auto;min-height:297mm}}@media (max-width:760px){.content-width{width:calc(100% - 28px)}.site-header{flex-wrap:wrap;height:auto;min-height:72px;padding:13px 16px;position:relative}.brand{flex:1;min-width:0}.brand strong{font-size:16px}.site-header nav{border-top:1px solid var(--line);order:3;width:100%;margin:0;padding-top:8px;overflow-x:auto}.site-header nav button{white-space:nowrap}.accessibility{margin-left:auto}.hero{align-items:start;min-height:730px}.hero:after{inset:10px}.hero>img{object-position:68% bottom;height:100%}.hero:before{background:linear-gradient(#fffdf7fa 0%,#fffdf7f2 55%,#fffdf74d 78%,#fffdf714 100%)}.hero-copy{width:calc(100% - 42px);padding:50px 0 250px}.hero-copy>*{max-width:100%}.hero h1{letter-spacing:-2px;font-size:clamp(44px,13vw,62px)}.hero h1 em{letter-spacing:3px;margin-top:10px}.hero-lead{font-size:20px}.hero-detail{font-size:13px}.hero-stats{display:none}.hero-actions{width:100%}.section-heading,.section-heading.compact{grid-template-columns:1fr;align-items:start;gap:14px}.search-results{grid-template-columns:1fr}.levels-section{padding:65px 0}.level-grid{grid-template-columns:1fr}.level-teacher{grid-column:auto;min-height:352px;padding-right:28px}.steps{grid-template-columns:1fr}.site-footer{grid-template-columns:1fr;gap:28px}.level-view{padding-top:25px}.level-banner{flex-direction:column;align-items:start;min-height:290px;padding:32px 25px}.banner-count{align-self:end}.catalog-toolbar{flex-direction:column;align-items:start}.topic-list article{grid-template-columns:50px 1fr}.topic-list article button{grid-column:1/-1;width:100%}.topic-shell{width:calc(100% - 28px)}.topic-heading{align-items:start}.topic-heading>div{min-width:0}.topic-heading h1{overflow-wrap:anywhere;font-size:36px}.topic-level-badge{flex-basis:58px;width:58px;height:58px;font-size:15px}.topic-level-badge.teacher{letter-spacing:0;font-size:9px}.download-panel{flex-direction:column;align-items:stretch}.version-switch,.download-actions{width:100%}.version-switch button{flex:1}.download-actions{grid-template-columns:1fr 1fr;display:grid}.download-actions .ghost{grid-column:1/-1}.material-preview{align-items:start;width:calc(100% - 14px);overflow-x:auto}.print-sheet{transform-origin:0 0;width:210mm;min-height:297mm;margin-bottom:-166.32mm;transform:scale(.44)}.site-footer{padding-bottom:100px}}@media print{@page{size:A4 portrait;margin:0}html,body{background:#fff;width:210mm;margin:0;padding:0}main,.topic-view{background:#fff;margin:0;padding:0;overflow:visible}.screen-only,.site-footer,.bottom-actions{display:none!important}.material-preview{width:210mm;margin:0;padding:0;display:block}.print-sheet{width:210mm;height:297mm;min-height:297mm;box-shadow:none;break-after:page;page-break-after:always;-webkit-print-color-adjust:exact;-moz-print-color-adjust:exact;print-color-adjust:exact;margin:0;padding:12mm 14mm 10mm;transform:none}.print-sheet:last-child{break-after:auto;page-break-after:auto}}@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-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@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}
