:root{--paper:#f7f7ee;--ink:#172c24;--muted:#4d6458;--lime:#d7f279;--coral:#f38e75;--lilac:#dbd0f7;--line:#cbd3c5;--white:#fff;--radius:26px;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500;letter-spacing:-.045em;line-height:1.08}h1{font-size:clamp(42px,6.8vw,96px)}h2{font-size:clamp(34px,4.2vw,62px)}h3{font-size:25px}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #206546;outline-offset:4px}[hidden]{display:none!important}.wrap{max-width:1320px;margin:auto;padding:0 40px}.skip{position:fixed;z-index:100;top:-100px;left:20px;padding:16px;background:var(--lime)}.skip:focus{top:12px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:94px}.brand{display:flex;align-items:center;gap:10px;font-weight:bold;font-size:36px;letter-spacing:-2px}.brand span{font-size:10px;letter-spacing:1px;line-height:1.3;font-weight:500}.site-header nav{display:flex;align-items:center;gap:24px;font-size:14px}.site-header nav a:hover{text-decoration:underline}.btn{border:0;border-radius:100px;background:var(--ink);color:white;display:inline-flex;justify-content:center;align-items:center;gap:24px;padding:17px 25px;min-height:54px;font-weight:600;font-size:14px;transition:transform .2s,background .2s}.btn:hover{background:#294b3a;transform:translateY(-2px)}.btn.light{background:var(--lime);color:var(--ink)}.btn.outline{background:transparent;color:var(--ink);border:1px solid var(--ink)}.btn.small{padding:12px 18px;min-height:44px}.eyebrow{text-transform:uppercase;font-size:11px;letter-spacing:1.8px;font-weight:600;margin-bottom:20px}.muted{color:var(--muted)}.sub{max-width:590px;font-size:19px;line-height:1.65;margin-top:22px}.micro{font-size:12px;line-height:1.7;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;min-height:610px;gap:24px;padding-top:40px;padding-bottom:65px}.hero h1 em{font-style:normal;color:#426343}.hero .micro{margin-top:16px}.stage{position:relative;min-height:460px;display:flex;align-items:center;justify-content:center;isolation:isolate}.stage .orbit{width:400px;max-width:100%;aspect-ratio:1;position:absolute;border:1px solid #b8c7af;border-radius:50%;animation:orbit 32s linear infinite}.orbit:before,.orbit:after{content:'';position:absolute;inset:38px;border:1px solid #b8c7af;border-radius:50%;transform:rotateX(50deg)}.orbit:after{transform:rotateY(55deg)}.paper-stack{position:relative;z-index:2;width:76%;transform:rotate(-4deg);background:#fff;border-radius:25px;padding:34px 28px;box-shadow:0 22px 60px #18302216;animation:float 7s ease-in-out infinite}.paper-stack:before{content:'';position:absolute;inset:-17px 10px 12px -9px;background:var(--lilac);transform:rotate(-8deg);border-radius:25px;z-index:-1}.paper-stack:after{content:'';position:absolute;inset:8px -14px -17px 5px;background:var(--lime);transform:rotate(8deg);border-radius:25px;z-index:-2}.paper-stack .card-label{font-size:10px;letter-spacing:1.5px}.paper-stack h3{font-size:32px;margin:30px 0 20px}.paper-line{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:14px}.paper-line b{width:24px;height:24px;display:grid;place-items:center;background:var(--lime);border-radius:50%}.floating{position:absolute;z-index:3;background:var(--coral);padding:14px 21px;border-radius:100px;font-size:13px;font-weight:600;box-shadow:0 8px 30px #21362a16;animation:float 6s ease-in-out infinite}.floating.one{right:0;top:40px;transform:rotate(8deg)}.floating.two{bottom:26px;left:6px;background:var(--ink);color:var(--paper);animation-delay:-3s}.ticker{overflow:hidden;background:var(--ink);color:var(--lime);padding:21px 0}.ticker-track{display:flex;width:max-content;gap:45px;animation:ticker 38s linear infinite;font-size:16px}.ticker-track span:before{content:'✳';margin-right:45px}.ticker:hover .ticker-track{animation-play-state:paused}.section{padding-top:90px;padding-bottom:90px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:35px}.section-head p{max-width:370px;color:var(--muted)}.route-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.route-tile{display:flex;flex-direction:column;gap:18px;min-height:325px;padding:28px 22px;border-radius:var(--radius);background:var(--lime);transition:transform .3s}.route-tile:nth-child(2){background:var(--lilac)}.route-tile:nth-child(3){background:var(--coral)}.route-tile:nth-child(4){background:#d9e3d3}.route-tile:hover{transform:translateY(-8px)}.tile-mark{font-size:36px;font-weight:400}.route-tile p{font-size:14px}.route-tile .bottom{margin-top:auto;display:flex;justify-content:space-between;font-size:12px;font-weight:600}.example-panel{border-radius:36px;background:#e6eddf;padding:48px}.tabs,.chips{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}.tabs button,.chips button,.side-nav button{border:1px solid var(--line);border-radius:100px;padding:12px 18px;background:transparent;min-height:44px;font-size:14px}.tabs button[aria-pressed=true],.chips button[aria-pressed=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px}.comparison article{padding:27px;background:#fff;border-radius:22px}.comparison .after{background:var(--ink);color:var(--paper)}.comparison .after .micro{color:#c6dac8}.comparison h3{margin:16px 0;font-size:24px}.comparison blockquote{margin:0;font-size:17px;line-height:1.75}.label{font-size:11px;font-weight:600;letter-spacing:1px}.example-context{font-size:14px;margin:18px 0 23px;max-width:750px}.prompt-block{margin-top:20px;padding:25px;border:1px solid #b6c5ac;border-radius:22px}.prompt-block p{margin:15px 0;font-size:14px;max-width:850px}.status{font-size:13px;min-height:20px;margin-top:12px;color:var(--muted)}.journey{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));list-style:none;padding:0;gap:20px;margin:35px 0}.journey li{position:relative;padding:24px 0;border-top:2px solid var(--ink)}.journey b{font-size:13px;display:block;margin-bottom:24px}.journey h3{margin-bottom:18px}.journey p{font-size:14px;color:var(--muted)}.access{background:var(--ink);color:var(--paper);border-radius:36px;padding:50px;display:grid;grid-template-columns:1.3fr 1fr;gap:55px}.access .muted,.access .micro{color:#c4d5c5}.access ul{list-style:none;padding:0;margin:26px 0}.access li{padding:10px 0;border-bottom:1px solid #fff2}.access li:before{content:'↗';margin-right:14px;color:var(--lime)}.amount{font-size:65px;letter-spacing:-3px;line-height:1.1;margin:20px 0}.amount small{font-size:28px}.access .terms{display:inline-block;margin-top:16px;text-decoration:underline;font-size:13px}.price-panel{padding-left:40px;border-left:1px solid #fff3}.faq-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:70px}.faq-grid details{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:600;padding:20px 0;font-size:16px}.faq-grid details p{font-size:14px;padding-bottom:24px;color:var(--muted)}footer{border-top:1px solid var(--line);padding-top:35px!important;padding-bottom:35px!important;display:flex;gap:20px;flex-wrap:wrap;align-items:center}footer .micro{margin-right:auto}footer a:not(.brand){font-size:12px;text-decoration:underline}.motion-toggle{border:1px solid var(--line);background:transparent;padding:10px 14px;border-radius:100px;font-size:12px}.closing{padding:70px 0;max-width:740px}.closing h2{font-size:clamp(38px,5vw,70px)}.reveal{opacity:1}.motion-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .65s,transform .65s}.motion-ready .reveal.visible{opacity:1;transform:none}.no-motion *{animation:none!important;transition:none!important;scroll-behavior:auto!important}.no-motion .reveal{opacity:1!important;transform:none!important}
/* A student catalogue: useful controls are visible before the cards. */
.catalog-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:44px;padding-top:36px;padding-bottom:70px}.side-nav{position:sticky;top:25px;height:max-content}.side-nav h2{font-size:13px;letter-spacing:0;font-weight:600;margin:0 0 16px}.side-nav button{display:block;text-align:left;width:100%;border-color:transparent;border-radius:12px;margin:3px 0}.side-nav button[aria-pressed=true]{background:#e1e8db;font-weight:600}.side-nav .micro{margin-top:24px}.catalog-top h1{font-size:52px;margin-bottom:18px}.catalog-top p{max-width:670px}.search-wrap{margin-top:26px;display:flex;gap:10px;align-items:center}.search-wrap label{flex:1}.search-wrap input{width:100%;border:1px solid var(--line);background:#fff;border-radius:15px;padding:16px 18px;min-height:54px}.search-wrap button{background:transparent;border:0;text-decoration:underline;font-size:13px}.catalog-tools{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;margin:18px 0}.catalog-tools .chips{margin:0}.catalog-tools label{font-size:13px;display:flex;align-items:center;gap:8px}.catalog-tools input{width:18px;height:18px}.result-count{font-size:12px;color:var(--muted);margin:18px 0}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.catalog-card{background:#fff;border:1px solid var(--line);border-radius:23px;display:flex;flex-direction:column;overflow:hidden;transition:transform .25s,border-color .25s;min-width:0}.catalog-card:hover{transform:translateY(-4px);border-color:#7c9a70}.card-art{height:150px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--lime)}.card-art[data-category=life]{background:var(--lilac)}.card-art[data-category=study]{background:#cde5e2}.card-art[data-category=business]{background:var(--coral)}.card-art[data-category=all]{background:#e6e9db}.card-art:before{content:'';position:absolute;width:150px;height:150px;border:1px solid #172c2430;border-radius:50%;transform:rotate(-20deg) scaleX(1.4)}.art-paper{position:relative;display:grid;place-items:center;width:67px;height:80px;background:#ffffffb3;border-radius:15px;box-shadow:10px 12px 0 #172c2412;transform:rotate(-9deg);font-size:35px;font-weight:500;transition:transform .35s}.catalog-card:hover .art-paper{transform:rotate(6deg) translateY(-5px)}.save-item{position:absolute;right:12px;top:12px;width:35px;height:35px;border:0;border-radius:50%;background:#ffffffbc;font-size:22px;z-index:1}.save-item[aria-pressed=true]{background:var(--ink);color:var(--lime)}.card-body{padding:22px;display:flex;flex-direction:column;flex:1;gap:13px}.card-body h2{font-size:23px}.card-body p{font-size:13px;color:var(--muted)}.card-tags{font-size:11px;display:flex;flex-wrap:wrap;gap:6px}.card-tags span{background:#edf0e8;padding:4px 7px;border-radius:8px}.card-action{border:0;background:transparent;text-align:left;padding:14px 0 0;color:var(--ink);font-size:13px;font-weight:600;display:flex;justify-content:space-between;margin-top:auto}.empty{padding:55px 25px;border:1px dashed var(--line);border-radius:22px}.empty h2{font-size:25px;margin-bottom:12px}.catalog-banner{background:var(--lilac);padding:30px;border-radius:25px;margin:25px 0 35px;display:flex;justify-content:space-between;gap:25px;align-items:center}.catalog-banner h2{font-size:28px;margin-bottom:12px}.catalog-banner p{font-size:14px}.dialog{border:0;border-radius:28px;padding:0;max-width:760px;width:calc(100% - 32px);max-height:88vh;background:var(--paper);color:var(--ink);box-shadow:0 30px 100px #0004}.dialog::backdrop{background:#12251fcc;backdrop-filter:blur(4px)}.dialog-shell{padding:34px}.dialog-close{display:block;margin-left:auto;border:1px solid var(--line);border-radius:100px;background:transparent;padding:10px 16px;min-height:44px}.dialog h2{font-size:34px;margin:18px 0}.dialog h3{font-size:21px;margin:26px 0 12px}.dialog p{font-size:14px;line-height:1.8;margin:12px 0}.dialog ol{padding-left:22px}.dialog li{padding:7px 0;font-size:14px}.prompt-text{white-space:pre-wrap;overflow-wrap:anywhere;padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line);font-size:14px;line-height:1.7}.tool-form{display:grid;gap:16px}.tool-form label{font-size:13px;font-weight:600}.tool-form textarea,.tool-form input{display:block;width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;font-size:14px;margin-top:8px;min-height:44px}.checklist label{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}.checklist input{width:20px;height:20px;flex:0 0 auto}.pending-msg{color:#315443;font-size:13px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -14px}}@keyframes orbit{to{rotate:360deg}}@keyframes ticker{to{transform:translateX(-50%)}}
@media(max-width:1050px){.route-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-layout{grid-template-columns:160px minmax(0,1fr);gap:25px}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{min-height:530px}.stage{min-height:400px}.access{gap:30px;padding:36px}.journey{grid-template-columns:repeat(2,minmax(0,1fr))}.wrap{padding-left:28px;padding-right:28px}}
@media(max-width:700px){.wrap{padding-left:20px;padding-right:20px}.site-header{min-height:80px;gap:12px}.brand{font-size:31px}.brand span{font-size:8px}.site-header nav{gap:12px}.site-header nav a:not(.catalog-link){display:none}.site-header nav a{font-size:12px}.site-header>.btn{padding:12px 15px;font-size:12px}.hero{grid-template-columns:1fr;padding-top:20px;padding-bottom:35px;gap:20px}.hero h1{font-size:clamp(43px,12vw,68px)}.sub{font-size:17px}.stage{min-height:345px;margin:0 12px}.paper-stack{max-width:290px;padding:26px 23px}.paper-stack h3{font-size:28px}.floating{font-size:11px;padding:12px 15px}.floating.one{top:20px;right:-8px}.floating.two{bottom:10px;left:-8px}.section{padding-top:55px;padding-bottom:55px}.section-head{display:block}.section-head p{margin-top:22px}.route-grid{gap:10px}.route-tile{padding:22px 17px;min-height:315px;gap:15px}.route-tile h3{font-size:24px}.route-tile p{font-size:12px}.route-tile .bottom{font-size:11px;gap:8px}.example-panel{padding:25px 18px;border-radius:24px}.comparison{grid-template-columns:1fr}.comparison article{padding:23px}.tabs button{padding:10px 15px;font-size:13px}.access{grid-template-columns:1fr;padding:30px 24px;border-radius:25px;gap:25px}.price-panel{border-left:0;border-top:1px solid #fff3;padding:25px 0 0}.access li{font-size:14px}.amount{font-size:58px}.faq-grid{grid-template-columns:1fr;gap:25px}.journey{gap:15px}.journey h3{font-size:23px}.catalog-layout{grid-template-columns:1fr;gap:25px;padding-top:15px}.side-nav{position:static}.side-nav>div{display:flex;gap:6px;overflow-x:auto;padding-bottom:8px}.side-nav button{width:auto;white-space:nowrap;border:1px solid var(--line);border-radius:100px;font-size:12px;padding:10px 13px;margin:0}.side-nav h2,.side-nav .micro{display:none}.catalog-top h1{font-size:40px}.catalog-banner{padding:23px;display:block}.catalog-banner .btn{margin-top:15px}.catalog-tools .chips button{font-size:12px;padding:10px 13px}.catalog-grid{gap:10px}.card-art{height:125px}.card-body{padding:17px;gap:12px}.card-body h2{font-size:21px;overflow-wrap:anywhere}.card-body p{font-size:12px}.card-tags{font-size:10px}.dialog-shell{padding:22px}.dialog h2{font-size:29px}.card-action{font-size:12px}.closing{padding:45px 0}.ticker-track{font-size:14px}}
@media(max-width:380px){.catalog-grid,.route-grid{grid-template-columns:1fr}.route-tile{min-height:250px}.site-header nav{display:none}.catalog-tools{gap:14px}.paper-stack{width:86%}.journey{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.motion-ready .reveal{opacity:1;transform:none}}

/* AT identity v1 — 2026-10-08 */
:root{--at-graphite:#101318;--at-paper:#f4f2ed;--at-connect:#c4f279;--at-learn:#efba68;--at-studio:#bca5f5;--at-flow:#82cfff;--at-focus:#82cfff}
.brand,.logo,.identity{letter-spacing:-.04em}.brand,.logo{font-weight:750}.brand span,.logo span{letter-spacing:.08em}.brand-mark{font-size:16px;font-weight:800;letter-spacing:-.08em;background:var(--at-connect);color:var(--at-graphite)}
:focus-visible{outline:3px solid var(--at-focus);outline-offset:4px}button,a,input,summary{scroll-margin-top:90px}
.at-brand-note{font-size:12px;line-height:1.5;letter-spacing:.03em;color:inherit;opacity:.75}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

.brand,.logo{color:inherit}.brand span,.logo span{font-size:10px}.brand{max-width:100%}

/* AT Learn: readable learning surfaces and amber product identity */
.motion-intro{background:#101318!important;color:#f4f2ed!important}.motion-intro .intro-copy h1{color:#f4f2ed!important}.motion-intro .intro-copy h1 em{color:#efba68!important}.motion-intro .intro-copy .eyebrow{color:#efba68!important}.motion-intro .intro-copy .btn:not(.outline){background:#efba68!important;color:#101318!important}.motion-intro .intro-copy .btn.outline{color:#f4f2ed!important}.motion-intro .answer-card{background:#efba68!important}header a.btn{background:#101318!important;color:#f4f2ed!important}.brand span{line-height:1.3}