@font-face{font-family:Outfit;src:url('assets/outfit-variable.ttf') format('truetype');font-weight:100 900;font-display:swap}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Outfit,Arial,sans-serif;color:#10315c;background:#f4f7fb}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #e9ae32;outline-offset:4px}.topbar{position:relative;z-index:5;min-height:90px;padding:15px 4%;display:flex;align-items:center;justify-content:space-between;gap:24px;background:#fffffff2;border-bottom:1px solid #dce5ed}.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}.brand img{width:57px;height:57px;object-fit:cover;border-radius:13px}.brand>span{font-size:17px;letter-spacing:.8px;font-weight:700}.brand small{display:block;font-size:9px;letter-spacing:2px;font-weight:450;margin-top:6px}.back{font-size:13px}.kicker{font-size:10px;font-weight:550;letter-spacing:2.3px;color:#3e799b}.toppers-page{background:#edf3f9 url('assets/mountain.png') center/cover fixed}.toppers-page::before{content:'';position:fixed;inset:0;background:linear-gradient(#f4f8fff2,#f5f6f5e8 55%,#dce8f5bb);pointer-events:none}.toppers-main{position:relative;text-align:center;max-width:1390px;margin:auto;padding:36px 4% 52px}.toppers-main h1{font-size:20px;font-weight:500;margin:15px 0}.toppers-main h1>span{display:block;font-size:clamp(35px,4.4vw,66px);font-weight:600;letter-spacing:-2px;margin-top:6px}em{font-style:normal;color:#dba029}.lead{color:#65788d;font-size:16px}.toppers-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin:32px 0}.topper{position:relative;overflow:hidden;background:linear-gradient(155deg,#102f52,#071c36);border:1px solid #fff;border-radius:22px;box-shadow:0 15px 35px #1b34431a;animation:topper-arrive .9s both;animation-delay:var(--delay);transition:transform .3s,box-shadow .3s}.topper:hover{transform:translateY(-7px);box-shadow:0 22px 42px #1b344335}.topper::before{content:'';position:absolute;left:10%;right:10%;top:20%;height:180px;border-radius:50%;background:var(--tint);opacity:.2;filter:blur(35px)}.topper-label{position:absolute;top:16px;left:16px;z-index:2;font-size:9px;letter-spacing:1.5px;color:#e9f4fd;border:1px solid #ffffff30;padding:7px 10px;border-radius:20px}.portrait{position:relative;display:block;width:100%;height:320px;margin-top:22px;filter:drop-shadow(0 5px 12px #0004)}.achievement{position:relative;margin-top:-8px;padding:20px 8px 25px;background:linear-gradient(#071c3600,#071c36 16%);color:white;min-height:146px}.achievement h2{font-size:35px;margin:0;font-weight:550;letter-spacing:-1px}.achievement h2 span{font-size:19px}.achievement p{font-size:12px;line-height:1.6;margin:8px 0 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#cad8e1;background:#ffffffd9;color:#244d6a;border-radius:30px;padding:9px 14px;font-size:11px}.toppers-page>.motion-control{position:fixed;bottom:15px;right:20px;z-index:9}.topbar nav{display:flex;align-items:center;gap:12px}.nav-item{border:0;background:none;color:#52647a;border-radius:10px;padding:15px 19px;font-size:15px;font-weight:500}.nav-item:hover,.nav-item.active{background:#e8f5ff;color:#07689c}.pet-hero{position:relative;background:linear-gradient(90deg,#f5f8f9ed,#f5f8f9ad 55%,#f5f8f955),url('assets/mountain.png') center 39%/cover;padding:64px 5% 74px;overflow:hidden}.pet-hero::after{content:'';position:absolute;right:-10%;top:20%;width:60%;height:100px;border-top:1px solid #ffffffbb;border-radius:50%;transform:rotate(-10deg);animation:gust 9s linear infinite;pointer-events:none}.hero-inner{position:relative;z-index:1;max-width:1320px;margin:auto}.hero-heading{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:24px}.hero-heading 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input{flex:1;min-width:0;border:0;background:none;outline:none;font-size:16px;padding:9px}.search-submit{padding:13px 20px;background:#0d699d;border:0;border-radius:9px;color:white;font-weight:500;white-space:nowrap}.search-submit span{margin-left:20px}.filters{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;margin-top:12px;align-items:end}.filters label{display:flex;flex-direction:column;gap:6px;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:#63809a}.filters select{width:100%;padding:13px;border:1px solid #dbe7ed;background:white;border-radius:9px;font-size:14px;color:#203d5c;min-width:0}.filters select:disabled{opacity:.6}.filters button{padding:14px;border:0;border-radius:9px;background:#eaf1f5;color:#466a82}.material-section{max-width:1440px;padding:50px 5% 65px;margin:auto;scroll-margin-top:20px}.section-heading{display:flex;justify-content:space-between;gap:25px;align-items:center}.section-heading 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#ffffffb0;border-radius:50%;box-shadow:0 0 0 23px #ffffff30,0 0 0 46px #ffffff20}.card-art svg{width:67px;height:67px;stroke:var(--ink);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;z-index:1}.card-art>span{font-size:48px;color:var(--ink);opacity:.22;font-weight:600}.card-info{padding:20px}.card-info h3{font-size:18px;line-height:1.3;font-weight:550;margin:0 0 7px}.card-info p{font-size:12px;color:#6d8191;margin:0;min-height:19px}.card-meta{display:flex;justify-content:space-between;align-items:center;margin-top:22px;font-size:11px;color:#5f7e91}.card-meta b{font-size:20px;color:var(--ink);font-weight:400}.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.resource-card{display:block;background:white;border:1px solid #dae6ed;border-radius:15px;padding:25px;line-height:1.5;transition:transform .25s}.resource-card:hover{transform:translateY(-4px)}.resource-card small{display:block;color:#2e86aa;font-size:10px;letter-spacing:1px;margin-bottom:15px}.resource-card strong{display:block;font-size:18px;font-weight:500}.resource-card span{display:block;font-size:12px;margin-top:20px;color:#50758d}.empty{grid-column:1/-1;padding:35px;background:white;border:1px dashed #aac2d0;border-radius:16px;text-align:center;color:#597286}.progress-summary{display:flex;align-items:center;gap:30px;background:#0c365d;color:white;padding:30px;border-radius:18px;margin:20px 0}.progress-summary strong{font-size:48px}.progress-summary p{font-size:14px}.progress-topic{display:flex;align-items:center;gap:20px;padding:20px;border-bottom:1px solid #dde6ee}.progress-topic>span{flex:1}.progress-topic button{border:1px solid #ccdde9;background:white;border-radius:9px;padding:9px 15px;color:#12577a}.site-footer{padding:28px 5%;display:flex;justify-content:space-between;gap:20px;align-items:center;background:white;border-top:1px solid #e0e8ee;font-size:12px}.site-footer small{display:block;color:#6d8191;margin-top:5px}.site-footer a{color:#226c92}dialog{width:min(690px,calc(100% - 28px));max-height:85svh;border:1px solid white;border-radius:24px;background:#fbfdff;color:#163a59;padding:35px;box-shadow:0 30px 100px #071a4040}dialog::backdrop{background:#061d3e88;backdrop-filter:blur(9px)}dialog h2{font-size:29px;font-weight:550;margin:16px 0 5px}.dialog-close{position:absolute;right:17px;top:12px;border:0;background:none;font-size:29px;color:#34556c}.checklist-hint{color:#6b8293;font-size:12px;line-height:1.6}.subtopic-row{display:flex;align-items:center;gap:13px;padding:14px 10px;border-bottom:1px solid #e3eaf0;font-size:14px}.subtopic-row input{width:18px;height:18px;accent-color:#0b86ae;flex-shrink:0}.subtopic-row:has(input:checked){background:#eaf8f3;color:#26725b}.subtopic-row.highlight{border:1px solid #6db7d8;background:#edf8ff;border-radius:8px}#chapter-resources .resource-card{margin:10px 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@keyframes topper-arrive{from{opacity:0;transform:translateY(35px) scale(.97)}to{opacity:1;transform:none}}@keyframes air{0%,100%{transform:translateY(0) rotate(-.5deg)}50%{transform:translateY(-9px) rotate(.5deg)}}@keyframes gust{0%{opacity:0;transform:translateX(-30px)}35%{opacity:.8}100%{opacity:0;transform:translateX(90px)}}
@media(max-width:1100px){.topbar{gap:15px}.topbar nav{gap:2px}.nav-item{padding:12px;font-size:13px}.topbar .back{display:none}.hero-heading{align-items:flex-start;flex-direction:column}.stats{width:100%;gap:20px;margin-top:15px}.stats>div:first-child{padding-left:0;border:0}.toppers-grid{gap:13px}.portrait{height:260px}.achievement h2{font-size:28px}.topper-label{font-size:8px;left:10px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.topbar{padding:12px 5%;flex-wrap:wrap;gap:12px}.brand img{width:43px;height:43px}.brand>span{font-size:14px}.brand small{font-size:8px}.topbar nav{width:100%;justify-content:space-between;border-top:1px solid #e7edf2;padding-top:10px}.nav-item{font-size:12px;padding:10px 12px}.toppers-main{padding-top:25px}.toppers-main .kicker{font-size:8px;letter-spacing:1.5px}.toppers-main h1>span{font-size:38px;letter-spacing:-1px}.toppers-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.portrait{height:235px}.topper-label{font-size:7px;padding:5px 7px;top:10px}.achievement{padding:14px 5px 20px;min-height:130px}.achievement h2{font-size:26px}.achievement h2 span{font-size:14px}.achievement p{font-size:10px}.toppers-bottom{flex-direction:column;gap:12px}.toppers-bottom>p{text-align:center}.sky-button{font-size:14px;padding:15px 20px}.pet-hero{padding:34px 5% 45px}.hero-heading h1{font-size:37px;white-space:normal}.hero-heading h1>span{font-size:15px}.stats{grid-template-columns:repeat(2,1fr);gap:22px}.stats>div:nth-child(3){padding-left:0;border:0}.stats strong{font-size:29px}.stats span{max-width:none}.search-row{flex-wrap:wrap;gap:5px}.search-row input{font-size:13px;width:80%;padding:10px 4px}.search-submit{width:100%;margin-top:6px}.filters{grid-template-columns:1fr;gap:10px}.filters select{font-size:13px}.hero-line{font-size:16px}.section-heading{flex-direction:column;align-items:flex-start;gap:8px}.section-heading h2{font-size:25px}.material-section{padding-top:30px}.topic-grid,.resource-grid{grid-template-columns:1fr}.card-art{height:105px}.card-info{padding:18px}.card-meta{margin-top:15px}.site-footer{flex-wrap:wrap;font-size:11px}.progress-summary{padding:22px;gap:18px}.progress-summary strong{font-size:38px}.progress-topic{padding:15px 0;font-size:13px;gap:10px}dialog{padding:28px 20px}.source-note{font-size:10px}}
@media(max-width:650px){.toppers-page>.motion-control{position:relative;display:block;right:auto;bottom:auto;margin:0 auto 24px}.toppers-main{padding-bottom:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.motion-control,.toppers-page>.motion-control{display:none}}