.hero{display:grid;grid-template-columns:1.06fr 1fr;gap:22px;align-items:center;min-height:505px;padding:22px 0 48px}.hero-copy{z-index:2;position:relative}.hero h1{margin:24px 0;line-height:1.38}.hero .gradient-text{color:var(--mint);background:linear-gradient(90deg,#c7f5e8,#7ed9ca,#8fc3e6,#c7f5e8);background-size:250%;background-clip:text;-webkit-text-fill-color:transparent;animation:gradient-move 9s linear infinite}.hero-copy>p{color:var(--muted);font-size:14px;line-height:2;max-width:455px;margin-bottom:28px}.hero-buttons{display:flex;gap:13px;flex-wrap:wrap}.hero-note{display:flex;gap:8px;align-items:center;font-size:10px;color:#77979f;margin-top:24px;letter-spacing:.02em}.hero-note .icon{height:14px;width:14px}.hero-scene{height:440px;position:relative;perspective:900px}.scene-orbit{position:absolute;inset:5% 0 5%;border:1px solid #9cebd610;border-radius:50%;transform:rotateX(58deg) rotate(-24deg);box-shadow:0 0 60px #9cebd608,inset 0 0 80px #9cebd608}.scene-orbit:before,.scene-orbit:after{content:'';position:absolute;border:1px dashed #9cebd622;border-radius:50%;inset:30px;animation:spin 45s linear infinite}.scene-orbit:after{inset:65px;border-color:#87bcef22;animation-direction:reverse}.island-svg{position:absolute;width:100%;height:100%;inset:0;filter:drop-shadow(0 25px 30px #0007);animation:float 7s ease-in-out infinite}.flow-path{stroke-dasharray:5 8;animation:flow 5s linear infinite}.pulse-circle{animation:pulse 3s ease-in-out infinite;transform-origin:center}.float-label{position:absolute;border:1px solid #64808b55;background:#16303bd9;backdrop-filter:blur(15px);box-shadow:0 12px 28px #03101588;border-radius:12px;padding:13px 17px;font:10px/1.7 var(--mono);animation:float 6s ease-in-out infinite}.float-label .big{font-size:19px;color:var(--mint);font-family:var(--font);font-weight:600}.float-label.left{left:0;top:120px;animation-delay:-2s}.float-label.right{right:0;top:48px;animation-delay:-4s}.float-label.bottom{bottom:14px;left:72px;min-width:275px;background:#0b1d27ee}.scene-status{display:flex;align-items:center;gap:6px;color:var(--mint);font-size:9px;letter-spacing:.1em;margin-bottom:8px}.scene-status .dot{box-shadow:0 0 10px #9cebd677}.typed{color:#c9dfe3;font-size:11px;white-space:nowrap}.cursor{display:inline-block;height:12px;width:6px;vertical-align:middle;background:var(--mint);animation:blink 1s steps(1) infinite}.metrics-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:16px;background:linear-gradient(120deg,#17333b77,#10242e99);padding:24px 0;margin:12px 0 54px}.metric-item{padding:0 30px;border-right:1px solid var(--line)}.metric-item:last-child{border:0}.metric-value{font:38px/1.2 var(--mono);letter-spacing:-.06em;color:#e2f4f0}.metric-value small{font:10px var(--font);letter-spacing:0;color:var(--muted);margin-left:8px}.metric-item p{font-size:11px;color:var(--muted);margin-top:6px}.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px}.section-title .number{font:11px var(--mono);color:var(--mint);letter-spacing:.12em;margin-bottom:10px}.section-title p{color:var(--muted);font-size:12px;max-width:500px;margin-top:10px}.project-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:18px;padding:24px;background:linear-gradient(140deg,#18303a,#112630);overflow:hidden;transition:transform .3s,border .3s,box-shadow .3s;min-height:320px}.project-card:before{content:'';position:absolute;inset:-1px;pointer-events:none;background:radial-gradient(circle at var(--mx,60%) var(--my,20%),#9cebd612,transparent 55%);opacity:0;transition:opacity .25s}.project-card:hover{transform:translateY(-5px);border-color:#9cebd655;box-shadow:0 15px 55px #02090e55}.project-card:hover:before{opacity:1}.project-card .card-top{display:flex;align-items:center;justify-content:space-between;z-index:1}.card-no{font:11px var(--mono);color:#7d9aa2}.project-illustration{height:145px;display:flex;align-items:center;justify-content:center;position:relative;margin:4px 0 15px}.project-illustration:before{content:'';position:absolute;width:80%;height:1px;background:linear-gradient(90deg,transparent,#84b9bc33,transparent);bottom:12px}.project-illustration img{width:122px;height:122px;object-fit:cover;border-radius:50%;box-shadow:0 0 0 12px #b2dfd807,0 0 0 24px #b2dfd804;filter:saturate(.8);transition:transform .4s}.project-card:hover .project-illustration img{transform:translateY(-5px) rotate(-4deg)}.project-card h3{font-size:20px;z-index:1}.project-card p{font-size:12px;color:var(--muted);margin-top:10px;min-height:42px;z-index:1}.project-card .card-bottom{margin-top:20px;display:flex;align-items:center;justify-content:space-between;padding-top:15px;border-top:1px solid var(--line);font-size:10px;color:#b5cbd0;z-index:1}.card-arrow{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;border:1px solid #9cebd640;color:var(--mint);transition:transform .2s}.project-card:hover .card-arrow{transform:rotate(-35deg)}.feature-band{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;margin:65px 0;padding:34px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(110deg,#123638,#10232d)}.feature-band h2{font-size:28px}.feature-band p{font-size:13px;color:var(--muted);margin:16px 0 22px}.mini-flow{display:flex;align-items:center;gap:10px;margin-top:18px}.mini-flow span{padding:8px 10px;border:1px solid #9cebd625;border-radius:8px;font-size:11px}.mini-flow i{height:1px;flex:1;background:linear-gradient(90deg,#9cebd644,#9cebd6);position:relative}.mini-flow i:after{content:'';width:5px;height:5px;background:var(--mint);position:absolute;top:-2px;animation:travel 3s linear infinite;border-radius:50%;box-shadow:0 0 8px var(--mint)}.code-window{border:1px solid #55737c44;border-radius:14px;background:#07171e;box-shadow:0 20px 40px #06101988;padding:18px}.window-dots{display:flex;gap:5px;margin-bottom:20px}.window-dots span{width:6px;height:6px;border-radius:50%;background:#59747e}.window-dots span:nth-child(1){background:#e79d8a}.window-dots span:nth-child(2){background:#d8c28d}.window-dots span:nth-child(3){background:#8ecfaf}.code-window pre{border:0;padding:0;background:none;font-size:12px}.code-window .code-footer{border-top:1px solid var(--line);padding-top:15px;color:var(--mint);font:10px var(--mono)}.chapter-section{margin-top:32px}.chapter-header{display:flex;gap:14px;align-items:center;margin-bottom:18px}.chapter-number{font:11px var(--mono);color:var(--mint);width:38px;height:38px;border:1px solid #9cebd633;border-radius:10px;display:grid;place-items:center;background:#9cebd609}.chapter-header h3{font-size:18px}.lesson-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.lesson-node{padding:20px;background:#122932;border:1px solid var(--line);border-radius:14px;position:relative;transition:.25s;min-height:136px;display:flex;flex-direction:column}.lesson-node:hover{border-color:var(--mint);transform:translateY(-3px);box-shadow:0 8px 28px #9cebd60b}.lesson-node .node-top{display:flex;justify-content:space-between;font:10px var(--mono);color:var(--muted)}.lesson-node .node-dot{height:6px;width:6px;border-radius:50%;background:#6b8991;box-shadow:0 0 10px #6b899155}.lesson-node.visited .node-dot{background:var(--mint);box-shadow:0 0 14px var(--mint)}.lesson-node h4{font-size:14px;margin:17px 0 9px;font-weight:500}.lesson-node .node-footer{font-size:10px;color:var(--muted);margin-top:auto}.knowledge-top{display:grid;grid-template-columns:1fr 220px;gap:35px;align-items:center}.knowledge-asset{background:#f1eee5;border-radius:24px;overflow:hidden;padding:10px;transform:rotate(2deg);box-shadow:0 15px 50px #0002}.knowledge-asset img{width:100%;display:block;border-radius:18px}.knowledge-body{font-size:17px;color:#c1d9dc;line-height:2.05;max-width:800px}.knowledge-layout{display:grid;grid-template-columns:1fr 300px;gap:24px;margin-top:28px}.knowledge-main .panel{margin-bottom:22px}.knowledge-aside .panel{position:sticky;top:105px}.step-list{counter-reset:step}.step-list div{counter-increment:step;padding:14px 0 14px 40px;position:relative;font-size:13px;border-bottom:1px solid var(--line)}.step-list div:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:14px;font:11px/1.9 var(--mono);color:var(--mint)}.step-list div:last-child{border:0}.task-card{padding:20px;border:1px solid var(--line);border-radius:14px;background:#102730;display:flex;gap:20px;align-items:center;margin:12px 0}.task-card .task-icon{width:45px;height:45px;border:1px solid #9cebd622;border-radius:13px;display:grid;place-items:center;color:var(--mint);flex-shrink:0}.task-card .task-info{flex:1;min-width:0}.task-card h3{font-size:16px}.task-card p{font-size:12px;color:var(--muted);margin-top:6px}.task-card .btn{flex-shrink:0}.stat-card{padding:22px;border:1px solid var(--line);border-radius:14px;background:#112730}.stat-card .value{font:32px var(--mono);letter-spacing:-.04em;margin:12px 0 5px;color:var(--mint)}.stat-card .caption{font-size:11px;color:var(--muted)}.progress-track{height:6px;background:#06202a;border-radius:10px;overflow:hidden}.progress-track i{display:block;height:100%;background:linear-gradient(90deg,#59afab,#a0ecd5);border-radius:10px;transition:width .7s ease}.bars{display:grid;gap:17px}.bar-row .bar-label{display:flex;justify-content:space-between;color:#aac6cc;font-size:11px;margin-bottom:7px}.chart{width:100%;height:200px;overflow:visible}.chart-grid{stroke:#aac6cc16;stroke-width:1}.chart-area{fill:url(#chartGradient)}.chart-line{stroke:var(--mint);stroke-width:2.5;fill:none}.chart-label{font:9px var(--mono);fill:#8da9b0}.chart-point{fill:var(--mint);stroke:#122932;stroke-width:3}.question{margin:20px 0;padding:24px;border:1px solid var(--line);border-radius:16px;background:#102832}.question h3{font-size:15px;line-height:1.9;font-weight:500}.question-option{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;margin-top:10px;border:1px solid var(--line);border-radius:9px;cursor:pointer;font-size:13px}.question-option:has(input:checked){border-color:#9cebd688;background:#9cebd608}.question-option input{margin-top:5px;accent-color:var(--mint);flex-shrink:0}.question textarea{margin-top:15px}.context-box{border-left:2px solid #83b7b4;padding:16px 20px;background:#9cebd607;border-radius:0 10px 10px 0;color:#b5ccd0;font-size:13px}.context-box p{margin:7px 0}.admin-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:28px}.admin-nav{display:grid;gap:7px;align-content:start;position:sticky;top:105px;height:max-content}.admin-nav button{border:0;background:none;color:var(--muted);padding:12px 16px;text-align:left;border-radius:10px;font-size:13px}.admin-nav button.active{background:#9cebd613;color:var(--mint)}.admin-nav button:hover{background:#ffffff05}.teacher-callout{padding:28px;border:1px solid #9cebd644;background:linear-gradient(120deg,#1c4546,#12303a);border-radius:18px;display:flex;justify-content:space-between;gap:25px;align-items:center;margin-bottom:28px}.teacher-callout h2{font-size:25px}.teacher-callout p{font-size:13px;color:#a6c7ca;margin-top:9px}.media-player{width:100%;border-radius:14px;background:#06151d;max-height:460px}.media-image{max-width:100%;max-height:500px;border-radius:14px}.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.result-badge{font:45px var(--mono);color:var(--mint);line-height:1.1;margin:20px 0}.result-badge small{font:14px var(--mono);color:var(--muted)}.check-row{display:flex;align-items:center;gap:10px;font-size:12px;padding:12px 0;border-bottom:1px solid var(--line)}.check-row .check-score{margin-left:auto;color:var(--muted);font-family:var(--mono)}.check-row.good .icon{color:var(--mint)}.check-row.bad .icon{color:var(--gold)}.install{max-width:660px;margin:45px auto}.install .panel{padding:34px}.install h1{font-size:31px}.install p{color:var(--muted);font-size:13px;margin:15px 0 25px}.install form{display:grid;gap:16px}.source-label{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}.badge-letter{font-size:12px;font-family:var(--mono);color:var(--mint);border:1px solid #9cebd644;padding:3px 7px;border-radius:5px}.simple-list{margin:0;padding-left:20px;color:var(--muted);font-size:13px;line-height:2.1}.sparkles{position:relative;isolation:isolate}.sparkles:after{content:'';position:absolute;inset:-1px;border-radius:inherit;z-index:-1;background:linear-gradient(115deg,transparent 30%,#9cebd611,transparent 60%);background-size:300% 100%;animation:shimmer 8s linear infinite;pointer-events:none}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}@keyframes flow{to{stroke-dashoffset:-130}}@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}@keyframes gradient-move{to{background-position:250% 0}}@keyframes blink{50%{opacity:0}}@keyframes travel{from{left:0}to{left:100%}}
@media(max-width:1100px){.hero{grid-template-columns:1.05fr .95fr;gap:0}.hero h1{font-size:44px}.hero-scene{transform:scale(.9);transform-origin:center right}.float-label.left{left:-15px}.metric-item{padding:0 22px}.knowledge-layout{grid-template-columns:1fr 260px}.lesson-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.hero{display:block;padding-top:10px;min-height:auto}.hero h1{font-size:39px}.hero-copy>p{font-size:13px}.hero-scene{height:360px;transform:scale(.95);margin-top:20px}.float-label.right{top:15px}.float-label.bottom{left:35px;bottom:0}.float-label.left{left:0;top:85px}.metrics-strip{grid-template-columns:repeat(2,1fr);row-gap:24px;margin:0 0 35px;padding:24px 0}.metric-item:nth-child(2){border:0}.metric-value{font-size:31px}.section-title{align-items:flex-start}.section-title h2{font-size:24px}.section-title>.btn{padding:6px 8px;font-size:10px;white-space:nowrap}.feature-band{grid-template-columns:1fr;padding:22px;gap:25px;margin:40px 0}.feature-band h2{font-size:25px}.project-card{min-height:275px}.project-illustration{height:118px}.project-illustration img{height:98px;width:98px}.project-card p{min-height:0}.lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-node{padding:16px;min-height:125px}.knowledge-top{grid-template-columns:1fr 100px;gap:18px}.knowledge-asset{padding:5px;border-radius:15px}.knowledge-body{font-size:15px}.knowledge-layout{display:block}.knowledge-aside{margin-top:22px}.task-card{padding:15px;gap:12px;flex-wrap:wrap}.task-card .task-icon{height:35px;width:35px}.task-card .task-info{min-width:65%}.task-card .btn{margin-left:auto}.task-card h3{font-size:15px}.admin-layout{grid-template-columns:1fr;gap:20px}.admin-nav{position:static;display:flex;overflow:auto;gap:4px}.admin-nav button{white-space:nowrap;padding:8px 12px}.teacher-callout{display:block;padding:23px}.teacher-callout>.btn{margin-top:18px}.review-grid{grid-template-columns:1fr}.question{padding:18px}.question h3{font-size:14px}.chart{height:160px}.knowledge-top h1{font-size:29px}.project-head .knowledge-asset{display:none}.stat-card{padding:17px}.stat-card .value{font-size:28px}}
/* Small-screen containment: 3-D orbit effects may not widen the document. */
.window-dots span.push{width:auto;height:auto;border-radius:0;background:none;font:9px/1.2 var(--mono);white-space:nowrap;letter-spacing:.04em}
@media(max-width:760px){.hero-scene{overflow:hidden}.section-title{align-items:flex-start}.section-title>a{flex-shrink:0}.mini-flow{gap:5px}.mini-flow span{font-size:10px;padding:7px 6px}.feature-band{min-width:0}.code-window{min-width:0}}