@font-face{font-family:Inter;src:url('/akademi/fonts/inter.woff2') format('woff2');font-display:swap}
:root{--ink:#183e40;--muted:#6b7e7c;--brand:#008f89;--paper:#fcfcf8;--surface:#fff;--line:#dfe8e2;--mint:#e2f2e8;--soft:#f1f5ef;--deep:#163e3d;--radius:20px;color-scheme:light;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}button:disabled{cursor:default}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}img{display:block;max-width:100%}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #28b6aa;outline-offset:5px}button{border:0}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.045em}button[hidden],[hidden]{display:none!important}.wrap{max-width:1232px;margin:auto;padding:0 48px}.skip{position:fixed;top:-100px;left:16px;z-index:100;background:var(--surface);padding:16px}.skip:focus{top:12px}.site-head{height:92px;border-bottom:1px solid var(--line);background:var(--paper)}.head-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}.wordmark{display:flex;align-items:center;gap:9px;white-space:nowrap;font-size:24px;font-weight:760;letter-spacing:-1.1px}.wordmark .brand-star{width:29px;height:29px;color:var(--brand);stroke-width:3}.wordmark em{font-size:20px;font-style:normal;font-weight:420;letter-spacing:-.7px;border-left:1px solid var(--line);margin-left:4px;padding-left:14px}.head-nav{display:flex;align-items:center;gap:28px;font-size:13px;font-weight:550}.head-nav button{padding:0;background:none;font-size:13px}.head-nav a:hover,.head-nav button:hover{color:var(--brand)}.panel-link{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:40px;padding:11px 17px;font-size:12px;font-weight:600;white-space:nowrap}.panel-link svg{width:15px}.eyebrow{display:flex;align-items:center;gap:9px;font-size:10px;letter-spacing:.15em;font-weight:700;text-transform:uppercase}.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand)}.hero{display:flex;align-items:end;justify-content:space-between;gap:50px;padding-top:49px;padding-bottom:37px}.hero h1{font-size:53px;line-height:1.09;font-weight:550;margin-top:18px;letter-spacing:-2.8px}.hero h1 em{font-family:Georgia,serif;font-weight:400;color:var(--brand);font-size:1.08em}.hero-intro{max-width:292px;padding-bottom:4px}.hero-intro p{font-size:13px;line-height:1.8;color:var(--muted)}.hero-note{display:flex;gap:8px;align-items:center;margin-top:15px;font-size:10px;font-weight:600;color:var(--ink)}.hero-note svg{width:16px}.feature-layout{display:grid;grid-template-columns:1.95fr 1fr;gap:23px}.featured{border-radius:var(--radius);background:var(--mint);display:grid;grid-template-columns:1fr 1.03fr;overflow:hidden;min-height:290px;position:relative}.featured-copy{padding:29px 0 30px 29px;display:flex;align-items:start;flex-direction:column;position:relative;z-index:2}.pill{display:inline-flex;align-items:center;gap:6px;font-size:9px;letter-spacing:.08em;font-weight:700;text-transform:uppercase;background:rgba(255,255,255,.7);border:1px solid rgba(24,62,64,.08);padding:7px 10px;border-radius:30px}.pill svg{width:12px;height:12px}.featured h2{font-size:28px;line-height:1.19;font-weight:590;margin:15px 0 12px;max-width:270px}.featured p{font-size:11px;line-height:1.65;color:#526d63;max-width:260px}.featured .text-link{margin-top:auto;padding-top:22px}.text-link{display:inline-flex;align-items:center;gap:12px;font-size:12px;font-weight:650}.text-link svg{width:16px;transition:transform .2s}.text-link:hover svg{transform:translateX(4px)}.featured .art{align-self:stretch;border-radius:0}.featured a.stretch:after{content:'';position:absolute;inset:0;z-index:3}.featured:hover{box-shadow:0 8px 30px #163e3d0c}.learning-path{border:1px solid var(--line);border-radius:var(--radius);padding:24px 24px 18px;background:var(--surface);display:flex;flex-direction:column}.path-head{display:flex;align-items:center;justify-content:space-between}.path-head>svg{color:var(--brand);width:21px}.learning-path h2{font-size:20px;margin:12px 0 5px;font-weight:600;letter-spacing:-.8px}.path-sub{font-size:10px;color:var(--muted);line-height:1.6}.path-items{margin:17px 0 14px;display:grid;gap:0}.path-items a{display:flex;align-items:center;gap:11px;padding:10px 0;border-top:1px solid var(--line);font-size:11px;font-weight:550}.path-items a>span{font-size:9px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;width:24px;height:24px;flex:none;color:var(--muted)}.path-items a>svg{width:13px;margin-left:auto}.path-items a:hover{color:var(--brand)}.path-items a.is-done>span{background:var(--brand);color:white;border-color:var(--brand)}.path-meter{height:3px;background:var(--soft);border-radius:10px;overflow:hidden;margin-top:auto}.path-meter span{height:100%;display:block;background:var(--brand);transition:width .3s}.path-meta{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);margin-top:8px}.library{padding-top:50px;scroll-margin-top:25px}.section-top{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:22px}.section-top h2{font-size:26px;font-weight:550;letter-spacing:-1px}.section-top .subtitle{font-size:11px;color:var(--muted);margin-top:8px}.search{position:relative;display:flex;align-items:center;gap:10px;max-width:300px;width:100%;border:1px solid var(--line);border-radius:30px;padding:11px 17px;background:var(--surface)}.search svg{width:17px;height:17px;color:var(--muted)}.search input{width:100%;border:none;background:transparent;outline:none;font-size:11px;color:var(--ink)}.search:focus-within{outline:2px solid var(--brand);outline-offset:2px}.search input:focus-visible{outline:none}.filters-row{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:19px;margin-bottom:24px}.filters{display:flex;flex-wrap:wrap;gap:6px}.filter{font-size:10px;padding:9px 12px;border-radius:30px;background:transparent;border:1px solid transparent;white-space:nowrap}.filter:hover{background:var(--soft)}.filter[aria-pressed=true]{background:var(--deep);color:#fff}.filter-saved{display:flex;align-items:center;gap:7px;border-left:1px solid var(--line);border-radius:0;padding-left:15px}.filter-saved svg{height:14px;width:14px}.filter-saved[aria-pressed=true]{border-radius:30px}.result-count{font-size:10px;color:var(--muted);white-space:nowrap}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:29px 24px}.guide-card{position:relative;min-width:0}.guide-card .art-link{display:block;border-radius:15px;overflow:hidden;position:relative}.guide-card .art{transition:transform .4s}.guide-card .art-link:hover .art{transform:scale(1.03)}.bookmark{display:grid;place-items:center;position:absolute;right:13px;top:13px;z-index:4;width:31px;height:31px;border-radius:50%;background:#ffffffdb;color:#31514c;box-shadow:0 3px 9px #142f3010;transition:transform .2s}.bookmark svg{width:14px;height:14px}.bookmark:hover{transform:translateY(-2px)}.bookmark[aria-pressed=true]{background:var(--brand);color:white}.bookmark[aria-pressed=true] svg{fill:currentColor}.card-meta{display:flex;align-items:center;gap:7px;font-size:9px;margin:16px 0 9px;color:var(--muted)}.card-meta .category{font-weight:650;color:var(--brand)}.card-meta .sep{font-size:7px;color:#a8b5ad}.guide-card h3{font-size:20px;font-weight:580;line-height:1.3;letter-spacing:-.7px;max-width:320px}.guide-card h3 a:hover{color:var(--brand)}.guide-card p{font-size:11px;line-height:1.8;color:var(--muted);margin:9px 0 12px;max-width:340px}.card-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px;font-size:10px}.card-bottom svg{width:16px}.read-status{font-size:9px;color:var(--brand)}.empty-state{border:1px dashed var(--line);border-radius:20px;text-align:center;padding:45px}.empty-state h3{font-size:23px;margin-bottom:10px}.empty-state p{font-size:12px;color:var(--muted);margin-bottom:18px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 19px;border-radius:30px;border:1px solid var(--line);font-size:12px;font-weight:600;background:var(--surface);color:var(--ink)}.button svg{width:16px}.primary{background:var(--deep);color:white;border-color:var(--deep)}.button:hover{filter:brightness(.96)}.practical{display:flex;align-items:center;justify-content:space-between;gap:28px;background:var(--deep);color:#fff;padding:30px 36px;border-radius:20px;margin:46px 0 42px}.practical .eyebrow{color:#a6d4bd}.practical h2{font-size:27px;font-weight:520;letter-spacing:-1px;margin:10px 0}.practical p{font-size:11px;line-height:1.8;color:#c0d8d0;max-width:620px}.practical .button{flex:none;background:#e9f7d8;border:0;color:#183e40}.site-foot{border-top:1px solid var(--line);padding:26px 0 29px}.foot-inner{display:flex;justify-content:space-between;align-items:center;gap:24px}.site-foot .wordmark{font-size:18px}.site-foot .wordmark em{font-size:15px}.site-foot .brand-star{width:21px}.foot-inner>p{font-size:10px;color:var(--muted);max-width:320px;line-height:1.8}.site-foot a:last-child{font-size:11px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);padding:14px 22px;border-radius:12px;background:#153c3b;color:white;font-size:12px;box-shadow:0 8px 50px #0002;max-width:calc(100% - 28px);width:max-content;opacity:0;pointer-events:none;transition:.22s;z-index:100}.toast.show{opacity:1;transform:translate(-50%,0)}
/* Original teaching illustrations */
.art{height:197px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;isolation:isolate;color:#193f3d}.art:before{content:'';position:absolute;width:210px;height:210px;border:1px solid #183e4010;border-radius:50%;z-index:-1}.art:after{content:'';position:absolute;width:310px;height:310px;border:1px solid #183e4009;border-radius:50%;z-index:-1}.art-conversation{background:#e2f2e8}.conversation-board{width:205px;transform:rotate(-6deg);position:relative}.chat-label{font-size:9px;letter-spacing:.04em;color:#497465;margin-bottom:13px;display:flex;align-items:center;gap:7px}.chat-label .avatar{width:21px;height:21px;display:grid;place-items:center;border-radius:50%;background:#f7fbf0;font-size:10px}.bubble{font-size:12px;line-height:1.5;padding:13px 17px;border-radius:13px 13px 13px 3px;box-shadow:0 7px 20px #21543a0a;width:max-content;max-width:205px;background:#fff}.bubble.reply{background:#24644f;color:white;border-radius:13px 13px 3px 13px;margin-top:12px;margin-left:23px;font-size:10px}.bubble small{display:block;margin-top:7px;opacity:.55;font-size:8px}.reply strong{font-weight:600}.spark{position:absolute;right:6px;top:-26px;color:#38866d;font-size:42px;font-family:Georgia;transform:rotate(6deg)}.featured .art{height:auto;min-height:290px;background:transparent}.featured .conversation-board{transform:rotate(-7deg) translateY(8px);width:210px}.featured .bubble{font-size:13px;padding:15px 17px}.featured .bubble.reply{font-size:11px}.art-photo{background:#efe8db}.photo-frame{width:143px;height:154px;background:#faf8f1;border:6px solid #fff;box-shadow:0 12px 22px #574a3120;transform:rotate(-8deg);position:relative}.photo-frame img{width:100%;height:100%;object-fit:contain;padding:8px}.photo-measure{position:absolute;right:-32px;top:22px;border-left:1px solid #8e7960;height:100px;display:flex;align-items:center;padding-left:6px;font-size:8px;letter-spacing:.1em}.photo-measure:before,.photo-measure:after{content:'';position:absolute;left:-4px;width:7px;height:1px;background:#8e7960}.photo-measure:before{top:0}.photo-measure:after{bottom:0}.photo-note{position:absolute;bottom:15px;right:35px;background:#fff4c7;padding:8px 12px;font-size:9px;transform:rotate(5deg);box-shadow:0 3px 8px #0001}.art-description{background:#eeeafb}.paper-sheet{position:relative;width:180px;min-height:144px;background:#fff;padding:20px;border-radius:6px;box-shadow:0 15px 20px #58448916;transform:rotate(6deg)}.paper-sheet>span{font-size:8px;color:#9c90bb;text-transform:uppercase;letter-spacing:.1em}.paper-sheet>strong{display:block;font-size:15px;line-height:1.2;margin:8px 0 10px}.paper-row{font-size:9px;display:flex;align-items:center;gap:7px;line-height:2;color:#75648f}.paper-row i{font-style:normal;color:#8972b2}.paper-badge{position:absolute;right:-13px;bottom:15px;background:#dad0f9;font-size:9px;padding:8px;border-radius:7px;transform:rotate(-10deg)}.art-choice{background:#f8ebdc}.choice-tile{width:106px;height:126px;border:1px solid #ddc9ad;border-radius:11px;background:#fffaf3;position:relative;transform:rotate(-7deg);padding:13px;margin-right:-6px}.choice-tile.second{transform:rotate(7deg) translateY(7px);border:2px solid #957549;background:#fffdf7}.choice-tile>span{font-size:8px;letter-spacing:.05em;color:#ac9578}.choice-tile>strong{display:block;font-size:13px;margin:8px 0}.choice-line{width:72%;height:4px;background:#e3d5bf;border-radius:3px;margin:9px 0}.choice-line.short{width:46%}.choice-tick{position:absolute;right:-12px;top:-14px;border:4px solid #f8ebdc;border-radius:50%;width:31px;height:31px;background:#927449;color:white;display:grid;place-items:center;font-size:13px}.art-checkout{background:#e5eef8}.receipt{width:142px;height:157px;padding:18px 17px;background:#fff;transform:rotate(-6deg);box-shadow:0 10px 20px #354f6812;clip-path:polygon(0 0,100% 0,100% 96%,94% 100%,87% 96%,80% 100%,73% 96%,66% 100%,59% 96%,52% 100%,45% 96%,38% 100%,31% 96%,24% 100%,17% 96%,10% 100%,3% 96%,0 98%)}.receipt-title{display:flex;align-items:center;justify-content:space-between;font-size:10px;font-weight:650;margin-bottom:18px}.receipt-row{display:flex;justify-content:space-between;font-size:8px;color:#6b8091;margin:10px 0}.receipt-total{border-top:1px dashed #c8d6e1;padding-top:10px;font-size:9px;font-weight:650}.receipt-tag{background:#c0d9ef;color:#365872;font-size:9px;padding:10px 14px;border-radius:8px;transform:rotate(6deg);position:absolute;right:39px;bottom:34px}.art-metrics{background:#e9eedc}.metric-board{width:206px;background:#fafcf4;border:1px solid #d4debf;border-radius:12px;padding:19px;transform:rotate(-5deg)}.metric-board span{font-size:8px;color:#74815c;display:block;letter-spacing:.04em}.metric-board strong{font-size:28px;letter-spacing:-1px;display:block;margin-top:6px;font-weight:500}.metric-board strong small{font-size:9px;letter-spacing:0;color:#74815c;font-weight:450;margin-left:8px}.bars{display:flex;gap:8px;align-items:end;height:44px;margin-top:8px}.bars i{flex:1;background:#d1dfb4;border-radius:3px 3px 0 0;height:var(--h)}.bars i:last-child{background:#778f46}.metric-tag{position:absolute;bottom:-10px;right:-15px;padding:8px 12px;border-radius:8px;background:#36503a;color:white;font-size:9px;transform:rotate(8deg)}
/* Article experience */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:10px;color:var(--muted);padding-top:26px}.breadcrumb svg{width:12px}.breadcrumb a:hover{color:var(--brand)}.article-hero{padding-top:38px;max-width:860px;margin:auto;text-align:center}.article-hero .eyebrow{justify-content:center;color:var(--brand)}.article-hero h1{font-size:49px;line-height:1.15;font-weight:560;max-width:830px;margin:19px auto 18px;letter-spacing:-2.2px}.article-lead{font-size:15px;line-height:1.85;max-width:650px;margin:auto;color:var(--muted)}.article-meta{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:17px;font-size:10px;color:var(--muted);margin:24px 0 30px}.article-meta span:first-child{color:var(--ink);font-weight:600}.save-long{display:inline-flex;align-items:center;gap:6px;font-size:10px;background:transparent;border-left:1px solid var(--line);padding:0 0 0 17px}.save-long svg{width:14px;height:14px}.save-long[aria-pressed=true] svg{fill:var(--brand);color:var(--brand)}.article-illustration{border-radius:22px;overflow:hidden;max-width:870px;margin:auto}.article-illustration .art{height:255px}.article-illustration .art>div{scale:1.23}.article-illustration .art:before{width:420px;height:420px}.article-illustration .art:after{width:630px;height:630px}.article-layout{display:grid;grid-template-columns:198px minmax(0,690px);gap:52px;max-width:1000px;margin:45px auto 0}.toc{position:sticky;top:28px;align-self:start}.toc .eyebrow{font-size:9px;margin-bottom:17px;color:var(--muted)}.toc a{display:block;font-size:11px;line-height:1.6;padding:9px 0 9px 12px;border-left:1px solid var(--line);color:var(--muted)}.toc a.active{color:var(--brand);border-left:2px solid var(--brand);background:linear-gradient(90deg,var(--mint),transparent)}.toc a:hover{color:var(--brand)}.toc-note{font-size:10px;color:var(--muted);line-height:1.8;margin-top:25px;padding-top:18px;border-top:1px solid var(--line)}.article-body{min-width:0}.takeaways{padding:27px 29px;background:var(--soft);border-radius:16px;margin-bottom:40px}.takeaways .eyebrow{color:var(--brand)}.takeaways>p{font-size:18px;line-height:1.5;font-weight:540;margin:12px 0 17px;letter-spacing:-.5px}.takeaways ul{padding:0;list-style:none;margin:0}.takeaways li{font-size:12px;line-height:1.7;margin:9px 0;display:flex;gap:10px}.takeaways li:before{content:'✓';color:var(--brand)}.article-section{scroll-margin-top:30px;margin:0 0 34px}.article-section h2,.practice h2,.sources h2{font-size:25px;font-weight:570;line-height:1.3;letter-spacing:-.9px;margin:0 0 18px}.article-body p{font-size:14px;line-height:1.95;color:var(--muted);margin-bottom:17px}.article-body p strong{color:var(--ink)}.lesson-note{border-left:3px solid var(--brand);padding:18px 22px;background:var(--soft);margin:25px 0}.lesson-note>span{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--brand)}.lesson-note p{font-size:12px;margin:10px 0 0;line-height:1.85}.compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.compare>div{background:var(--soft);border:1px solid var(--line);padding:20px;border-radius:12px}.compare>div:last-child{background:var(--mint)}.compare span{font-size:9px;letter-spacing:.1em;font-weight:650}.compare p{font-size:12px;margin:12px 0 0;color:var(--ink)}.copy-example{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:21px 23px;margin:16px 0}.copy-example>div{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:15px}.copy-example span{font-size:9px;letter-spacing:.09em;color:var(--brand);font-weight:650}.copy-example button{font-size:10px;border:1px solid var(--line);background:var(--paper);padding:7px 11px;border-radius:30px;flex:none}.copy-example p{font-size:13px;color:var(--ink);margin:0}.numbered-lesson{padding-left:22px}.numbered-lesson li{font-size:14px;color:var(--muted);line-height:1.9;padding-left:8px;margin:16px 0}.numbered-lesson strong{color:var(--ink)}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.info-grid>div{border:1px solid var(--line);border-radius:10px;padding:18px}.info-grid strong{font-size:12px}.info-grid p{font-size:11px;line-height:1.7;margin:8px 0 0}.table-wrap{max-width:100%;overflow:auto;margin:24px 0;border:1px solid var(--line);border-radius:12px}table{border-collapse:collapse;width:100%;font-size:11px}th,td{padding:13px;text-align:left;line-height:1.7;border-bottom:1px solid var(--line);min-width:90px}th{background:var(--soft);font-weight:600}td{color:var(--muted)}tr:last-child td{border-bottom:0}.practice{background:var(--mint);border-radius:16px;padding:28px;margin-top:38px;scroll-margin-top:28px}.practice .eyebrow{color:var(--brand);margin-bottom:12px}.practice>p{font-size:12px}.check-item{display:flex;align-items:start;gap:12px;padding:13px 0;border-top:1px solid #21483418;font-size:12px;line-height:1.7;cursor:pointer}.check-item input{accent-color:var(--brand);width:16px;height:16px;margin:2px 0 0;flex:none}.check-item:has(input:checked) span{color:var(--muted);text-decoration:line-through}.practice small{font-size:10px;color:var(--muted);display:block;margin:15px 0 20px}.sources{margin:40px 0;scroll-margin-top:30px}.sources h2{font-size:20px}.source-list{padding:0;list-style:none;counter-reset:source}.source-list li{border-bottom:1px solid var(--line);padding:16px 0 16px 30px;position:relative;counter-increment:source}.source-list li:before{content:counter(source,decimal-leading-zero);position:absolute;left:0;top:18px;font-size:9px;color:var(--muted)}.source-list a{font-size:12px;font-weight:550;line-height:1.8;text-decoration:underline;text-underline-offset:4px}.source-list small{display:block;font-size:10px;color:var(--muted);line-height:1.8;margin-top:7px}.editor-note{font-size:10px!important;color:var(--muted);line-height:1.8!important}.related{border-top:1px solid var(--line);margin-top:32px;padding-top:35px;padding-bottom:48px}.related>h2{font-size:25px;font-weight:550;margin-bottom:23px}.reading-track{position:fixed;top:0;left:0;width:100%;height:3px;z-index:90;pointer-events:none}.reading-track span{height:100%;display:block;width:0;background:var(--brand)}.ratio-tool{display:grid;grid-template-columns:1fr 1fr;gap:15px;border:1px solid var(--line);border-radius:16px;padding:24px;background:var(--surface);margin:22px 0}.ratio-tool label{font-size:11px;font-weight:550}.ratio-tool input{display:block;width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);margin-top:10px}.ratio-tool button{justify-self:start}.ratio-tool output{font-size:16px;align-self:center;color:var(--brand);font-weight:600;line-height:1.6}.is-embedded .site-head,.is-embedded .site-foot{display:none}.is-embedded .wrap{padding-left:31px;padding-right:31px}.is-embedded .hero{padding-top:28px}.is-embedded .hero h1{font-size:47px}.is-embedded .hero-intro{max-width:250px}.is-embedded .practical{margin-bottom:30px}.is-embedded .article-hero h1{font-size:43px}
[data-insta-theme=dark]{--ink:#e3eee8;--muted:#9aafa6;--brand:#7bcdb4;--paper:#101d1c;--surface:#162422;--line:#2c3d37;--mint:#223c31;--soft:#1b2d27;--deep:#244e42;color-scheme:dark}[data-insta-theme=dark] .featured p{color:#b1cbbd}[data-insta-theme=dark] .pill{background:#325443;color:#d1ead9}[data-insta-theme=dark] .featured .art-conversation{background:transparent}[data-insta-theme=dark] .featured .chat-label{color:#b1cbbd}[data-insta-theme=dark] .primary{background:#9cd9bc;color:#14372b;border-color:#9cd9bc}[data-insta-theme=dark] .filter[aria-pressed=true]{background:#9cd9bc;color:#15352b}[data-insta-theme=dark] .art{filter:brightness(.88)}[data-insta-theme=dark] .featured .bubble{color:#193f3d}[data-insta-theme=dark] .featured .bubble.reply{color:white}[data-insta-theme=dark] .practice .check-item{border-color:var(--line)}[data-insta-theme=dark] .practical{background:#203a30}
@media(min-width:1000px){.hero,.feature-layout{animation:arrive .55s ease both}.feature-layout{animation-delay:.07s}}@keyframes arrive{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1050px){.wrap{padding:0 30px}.hero h1{font-size:46px}.hero-intro{max-width:250px}.feature-layout{gap:16px;grid-template-columns:1.8fr 1fr}.featured h2{font-size:25px}.featured-copy{padding-left:23px}.featured .conversation-board{scale:.87}.learning-path{padding:22px 19px 17px}.learning-path h2{font-size:18px}.guide-grid{gap:26px 18px}.article-layout{grid-template-columns:170px minmax(0,1fr);gap:32px}.is-embedded .hero h1{font-size:42px}.is-embedded .hero{gap:25px}.is-embedded .hero-intro{max-width:210px}.is-embedded .featured h2{font-size:24px}}
@media(max-width:800px){.head-nav{gap:17px}.head-nav .nav-saved{display:none}.hero{gap:20px}.hero h1,.is-embedded .hero h1{font-size:39px;letter-spacing:-2px}.hero-intro{max-width:225px}.hero-intro p{font-size:11px}.feature-layout{grid-template-columns:1fr}.featured{grid-template-columns:1fr 1fr;min-height:280px}.featured h2,.is-embedded .featured h2{font-size:30px;max-width:320px}.featured-copy{padding:28px}.featured p{font-size:12px}.featured .conversation-board{scale:1;transform:rotate(-7deg)}.learning-path{padding:22px;display:grid;grid-template-columns:1fr 1.2fr;column-gap:25px}.path-head,.learning-path h2,.path-sub{grid-column:1}.path-items{grid-column:2;grid-row:1/5;margin:0}.path-meter{margin-top:15px;grid-column:1}.path-meta{grid-column:1}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.filters-row{align-items:start}.filters{gap:3px}.filter{padding:8px 10px}.filter-saved{margin-left:0}.practical{padding:26px}.practical h2{font-size:24px}.article-layout{display:block;max-width:680px}.toc{position:static;margin-bottom:30px;border:1px solid var(--line);border-radius:14px;padding:20px;columns:2}.toc .eyebrow{column-span:all}.toc-note{display:none}.article-hero h1,.is-embedded .article-hero h1{font-size:41px}.article-hero{padding-top:30px}.article-lead{font-size:14px}.related .guide-grid .guide-card:last-child{display:none}}
@media(max-width:560px){.wrap,.is-embedded .wrap{padding:0 20px}.site-head{height:74px}.wordmark{font-size:21px}.wordmark em{font-size:17px;padding-left:10px;margin-left:0}.wordmark .brand-star{width:24px;height:24px}.head-inner{gap:10px}.head-nav{display:none}.panel-link{font-size:10px;padding:9px 12px}.panel-link svg{width:13px}.hero{display:block;padding-top:33px;padding-bottom:27px}.hero h1,.is-embedded .hero h1{font-size:40px;line-height:1.12;letter-spacing:-2px;margin-top:16px}.hero-intro,.is-embedded .hero-intro{max-width:none;margin-top:19px}.hero-intro p{font-size:12px;line-height:1.85;max-width:350px}.hero-note{font-size:9px;margin-top:13px}.eyebrow{font-size:9px}.feature-layout{gap:17px}.featured{grid-template-columns:1fr;min-height:0}.featured-copy{padding:24px 24px 4px}.featured h2,.is-embedded .featured h2{font-size:29px;max-width:285px;margin-top:13px}.featured p{font-size:11px;max-width:280px}.featured .text-link{padding-top:16px;font-size:11px}.featured .art{min-height:0;height:205px}.featured .conversation-board{scale:.91;transform:rotate(-7deg) translate(0,-2px)}.featured .chat-label{margin-bottom:9px}.featured .bubble{padding:12px 15px}.featured .art:before{width:190px;height:190px}.featured .art:after{width:290px;height:290px}.learning-path{display:block;padding:23px}.learning-path h2{font-size:22px}.path-sub{font-size:11px}.path-items{margin:16px 0 9px}.path-items a{font-size:12px;padding:12px 0}.path-meta{font-size:9px}.library{padding-top:34px}.section-top{display:block;margin-bottom:17px}.section-top h2{font-size:26px}.section-top .subtitle{font-size:11px}.search{max-width:none;margin-top:18px;padding:13px 15px}.search input{font-size:12px}.filters-row{display:block;margin-bottom:22px;padding-bottom:16px}.filters{gap:6px}.filter{font-size:10px;padding:9px 11px;border-color:var(--line)}.filter-saved{border:1px solid var(--line);border-radius:30px}.result-count{display:block;margin-top:13px}.guide-grid{grid-template-columns:1fr;gap:27px}.guide-card .art{height:214px}.guide-card h3{font-size:23px;max-width:none}.guide-card p{font-size:12px;max-width:none}.card-meta{font-size:10px}.card-bottom{font-size:11px}.practical{display:block;padding:26px;margin-top:32px;margin-bottom:32px}.practical h2{font-size:28px;line-height:1.16;margin-top:13px}.practical p{font-size:12px;margin-bottom:22px}.practical .button{font-size:11px}.foot-inner{flex-wrap:wrap;gap:20px}.foot-inner>p{order:3;font-size:10px;max-width:none}.site-foot a:last-child{font-size:10px}.breadcrumb{font-size:9px;line-height:1.6;padding-top:22px}.article-hero{padding-top:27px;text-align:left}.article-hero .eyebrow{justify-content:start}.article-hero h1,.is-embedded .article-hero h1{font-size:34px;letter-spacing:-1.5px;margin:16px 0}.article-lead{font-size:13px;line-height:1.85}.article-meta{justify-content:start;gap:11px;font-size:9px;margin:22px 0}.save-long{padding-left:11px;font-size:9px}.article-illustration .art{height:212px}.article-illustration .art>div{scale:1.06}.article-layout{margin-top:27px}.toc{columns:1;padding:20px}.toc a{font-size:11px;padding:8px 0 8px 10px}.takeaways{padding:22px;margin-bottom:30px}.takeaways>p{font-size:17px}.article-section h2,.practice h2{font-size:23px;letter-spacing:-.7px}.article-body p{font-size:13px;line-height:1.95}.compare,.info-grid{grid-template-columns:1fr}.compare p{font-size:12px}.copy-example{padding:18px}.copy-example>div{align-items:start}.copy-example span{font-size:8px;line-height:1.8;max-width:140px}.copy-example button{font-size:9px;padding:6px 9px}.copy-example p{font-size:12px}.numbered-lesson{padding-left:18px}.numbered-lesson li{font-size:13px;padding-left:5px}.practice{padding:22px}.check-item{font-size:12px}.sources h2{font-size:20px}.source-list a{font-size:11px}.ratio-tool{padding:18px;gap:13px}.ratio-tool label{font-size:10px}.ratio-tool input{font-size:16px;padding:9px}.ratio-tool button,.ratio-tool output{grid-column:1/-1}.ratio-tool output{font-size:17px}.related .guide-grid .guide-card:last-child{display:block}.related{padding-bottom:32px}.article-body .editor-note{font-size:10px!important}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Catalog-first Academy entrance. */
.catalog-main .hero{padding-top:25px;padding-bottom:24px;align-items:center}.catalog-main .hero h1,.is-embedded .catalog-main .hero h1{font-size:34px;letter-spacing:-1.4px;line-height:1.15;margin-top:10px}.catalog-main .hero h1 br{display:none}.catalog-main .hero-intro{max-width:340px}.catalog-main .hero-note{display:none}.catalog-main .library{padding-top:8px}.catalog-main .feature-layout{margin-top:42px}.catalog-main .guide-card .art{height:175px}.catalog-main .section-top{margin-bottom:16px}.catalog-main .filters-row{padding-bottom:14px;margin-bottom:20px}@media(max-width:560px){.catalog-main .hero h1,.is-embedded .catalog-main .hero h1{font-size:30px;max-width:330px}.catalog-main .hero-intro{margin-top:12px}.catalog-main .hero{padding-top:24px;padding-bottom:23px}.catalog-main .guide-card .art{height:190px}.catalog-main .feature-layout{margin-top:32px}}

.catalog-main .guide-card .conversation-board{scale:.85}

/* Prominent Academy identity and a separate catalog below. */
.catalog-main .hero.academy-welcome{position:relative;isolation:isolate;min-height:640px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;text-align:center;padding:72px 18px 48px;margin-bottom:36px;border-bottom:1px solid var(--line)}
.academy-welcome:before{content:"";position:absolute;inset:20px -20px 10px;z-index:-1;background:radial-gradient(ellipse at 50% 45%,#bce7d638,transparent 65%);pointer-events:none}
.welcome-eyebrow{font-size:10px;letter-spacing:.2em;font-weight:650;color:var(--muted);margin-bottom:36px}
.catalog-main .hero.academy-welcome h1,.is-embedded .catalog-main .hero.academy-welcome h1{font-size:110px;line-height:.98;letter-spacing:-6px;font-weight:650;margin:0}
.welcome-instasat{display:block;font-size:.79em;color:var(--ink);margin-bottom:31px}
.welcome-academy{display:block;color:var(--brand)}
.welcome-initial{position:relative;display:inline-block}
.welcome-cap{position:absolute;top:-42px;left:-16px;width:82px;height:66px;color:#164e44;transform:rotate(-13deg);overflow:visible}
.welcome-description{font-size:16px!important;line-height:1.8!important;color:var(--muted);margin:29px 0 24px!important}
.welcome-explore{display:inline-flex;align-items:center;gap:25px;border:1px solid var(--line);background:var(--surface);border-radius:40px;padding:13px 23px;font-size:12px;font-weight:600}
.welcome-explore:hover{border-color:var(--brand);color:var(--brand)}
.welcome-explore span{font-size:20px;line-height:1}
.welcome-scroll{margin-top:35px;color:var(--muted);font-size:8px;letter-spacing:.2em}
[data-insta-theme=dark] .academy-welcome:before{background:radial-gradient(ellipse at 50% 45%,#74bb9820,transparent 65%)}
[data-insta-theme=dark] .welcome-cap{color:#96d7bc}
@media(max-width:800px){.catalog-main .hero.academy-welcome{min-height:590px;padding-top:60px}.catalog-main .hero.academy-welcome h1,.is-embedded .catalog-main .hero.academy-welcome h1{font-size:94px;letter-spacing:-4px}.welcome-cap{width:72px;height:58px;top:-36px;left:-13px}}
@media(max-width:560px){.catalog-main .hero.academy-welcome{min-height:590px;margin-bottom:23px;padding:55px 0 40px}.catalog-main .hero.academy-welcome h1,.is-embedded .catalog-main .hero.academy-welcome h1{font-size:72px;letter-spacing:-3.8px;max-width:none}.welcome-eyebrow{font-size:8px;letter-spacing:.12em;margin-bottom:41px}.welcome-instasat{margin-bottom:26px}.welcome-cap{width:59px;height:48px;top:-29px;left:-12px}.welcome-description{font-size:14px!important;margin-top:27px!important}.welcome-explore{font-size:11px}.welcome-scroll{margin-top:34px}}
@media(max-width:360px){.catalog-main .hero.academy-welcome h1,.is-embedded .catalog-main .hero.academy-welcome h1{font-size:62px}.welcome-eyebrow{font-size:7px}}


.welcome-cap{animation:academy-cap-hop 2.6s steps(2,end) infinite;transform-origin:50% 75%;will-change:transform}
@keyframes academy-cap-hop{0%,100%{transform:translate(0,0) rotate(-13deg)}12%{transform:translate(-13px,-20px) rotate(-24deg)}25%{transform:translate(-18px,5px) rotate(-5deg)}38%{transform:translate(7px,-14px) rotate(10deg)}50%{transform:translate(17px,7px) rotate(19deg)}63%{transform:translate(14px,-22px) rotate(-3deg)}76%{transform:translate(-10px,3px) rotate(-22deg)}88%{transform:translate(-6px,-13px) rotate(8deg)}}
@media(prefers-reduced-motion:reduce){.welcome-cap{animation:none!important;will-change:auto}}

/* The cap sits over the apex of A, with dimensional shading. */
.academy-welcome .welcome-cap{width:.79em;height:.632em;top:-.22em;left:-.035em;z-index:2;overflow:visible;filter:drop-shadow(1px 4px 2px #103d343d);transform-origin:50% 83%;animation:academy-cap-seated 2.6s steps(2,end) infinite}
@keyframes academy-cap-seated{0%,100%{transform:rotate(-8deg)}12%{transform:translateY(-3px) rotate(-20deg)}25%{transform:rotate(-9deg)}38%{transform:translateY(-2px) rotate(10deg)}50%{transform:rotate(17deg)}63%{transform:translateY(-4px) rotate(5deg)}76%{transform:rotate(-16deg)}88%{transform:translateY(-2px) rotate(8deg)}}
@media(prefers-reduced-motion:reduce){.academy-welcome .welcome-cap{animation:none!important;transform:rotate(-8deg)}}

.art-trust{background:#e9e5f7;display:grid;place-items:center}.trust-board{width:76%;padding:24px;border-radius:16px;background:#faf8ff;box-shadow:8px 10px 0 #c8bcdf;color:#463757;transform:rotate(-4deg)}.trust-board>span{font-size:9px;letter-spacing:.12em}.trust-board strong{display:block;font-size:32px;line-height:1.04;margin:16px 0;letter-spacing:-1px}.trust-proof{font-size:10px;padding:6px 0;border-top:1px solid #dfd8eb}.article-illustration .trust-board{max-width:300px}.academy-table-wrap{overflow-x:auto;margin:28px 0}.academy-table-wrap table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.6}.academy-table-wrap th,.academy-table-wrap td{text-align:left;padding:14px;border:1px solid var(--line);min-width:155px;vertical-align:top}.academy-table-wrap th{background:var(--soft)}.article-body a:not(.button){text-decoration:underline;text-underline-offset:3px}.academy-landing h2{font-size:clamp(58px,8vw,110px);letter-spacing:-.055em}.academy-landing-head{align-items:center}.academy-landing .academy-entry{background:#183e40;color:white;padding:18px 28px;font-size:15px}

.art-trust{display:flex;align-items:center;justify-content:center}.art-trust .trust-board{width:260px;max-width:82%;padding:18px;flex:none}.art-trust .trust-board strong{font-size:28px;margin:10px 0}.article-illustration .art-trust>div{scale:.88}

/* Academy tutor v7 */
.research-spotlight{margin:0 auto 38px;padding:32px;border:1px solid var(--line);border-radius:22px;background:var(--soft);max-width:1060px}.research-spotlight h2{font-size:clamp(27px,3.2vw,43px);letter-spacing:-1.4px;line-height:1.13;max-width:650px;margin:14px 0}.research-intro{color:var(--muted);line-height:1.7;max-width:690px;font-size:14px}.research-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:16px;margin:26px 0 16px}.research-card{display:flex;flex-direction:column;padding:25px 22px;border-radius:15px;background:var(--surface);border:1px solid var(--line);text-decoration:none}.research-card strong{font-size:29px;line-height:1.13;letter-spacing:-1px;margin:12px 0 16px}.research-card small{font-size:9px;letter-spacing:.1em;line-height:1.6;color:var(--brand)}.research-card p{font-size:12px;line-height:1.7;margin:0 0 16px;color:var(--muted)}.research-card>span{font-size:11px;margin-top:auto;font-weight:600}.research-note{font-size:10px;color:var(--muted);line-height:1.6}.research-card:hover{border-color:var(--brand)}
.academy-tutor{margin:54px 0;padding:38px;border-radius:25px;background:var(--deep);color:#f0faf6;scroll-margin-top:100px}.tutor-top{display:flex;gap:14px;align-items:center}.tutor-symbol{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:#54d2bf;color:#113e39;font-size:34px}.tutor-top strong{font-size:20px}.tutor-top small{display:block;color:#a9cfc5;font-size:11px;margin-top:5px}.academy-tutor h2{font-size:clamp(27px,3.4vw,42px);line-height:1.13;letter-spacing:-1.3px;margin:25px 0 15px}.tutor-intro{font-size:14px;line-height:1.7;color:#c2ded5}.tutor-prompts{display:flex;gap:9px;flex-wrap:wrap;margin:24px 0}.tutor-prompts button{border:1px solid #779f9266;border-radius:30px;padding:10px 15px;background:#ffffff09;color:#e4f5ee;font-size:12px}.tutor-prompts button:hover{background:#ffffff18}.tutor-log{max-height:420px;overflow:auto;overscroll-behavior:contain;display:grid;gap:14px}.tutor-log:empty{display:none}.tutor-message{padding:18px;border-radius:15px;background:#ffffff0c;margin-bottom:4px}.tutor-message.user{margin-left:40px;background:#ffffff16}.tutor-message strong{font-size:11px;color:#7ce1ca}.tutor-message p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.85;margin:10px 0 0}.tutor-refs{display:flex;flex-wrap:wrap;gap:9px;margin-top:13px}.tutor-refs a{color:#9ae5d5;font-size:11px;line-height:1.6}.tutor-form{margin-top:22px}.tutor-form label{font-size:12px;display:block;margin-bottom:9px}.tutor-form textarea{width:100%;resize:vertical;min-height:106px;max-height:260px;background:#fcfffd;color:#163e3d;border:2px solid transparent;border-radius:14px;padding:15px;font:inherit;font-size:15px;line-height:1.6}.tutor-form textarea:focus{outline:2px solid #54d2bf}.tutor-form button{border:0;border-radius:30px;padding:14px 23px;background:#63dac8;color:#133e38;font-weight:650}.tutor-form button:disabled{opacity:.55;cursor:wait}.tutor-form-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:13px}.tutor-form-bottom [role=status]{font-size:12px;color:#c2ded5;line-height:1.6}.tutor-disclosure{font-size:10px;color:#a9cfc5;line-height:1.7;margin-top:21px}.tutor-disclosure a{color:inherit;text-decoration:underline}.tutor-shortcut{display:inline-flex;align-items:center;gap:8px;font-size:12px;padding:10px 16px;border:1px solid var(--line);border-radius:30px;margin-top:20px;color:var(--brand)}
@media(max-width:600px){.research-spotlight{padding:22px 18px}.research-grid{grid-template-columns:1fr}.research-card strong{font-size:30px}.academy-tutor{padding:25px 19px;border-radius:20px}.tutor-form-bottom{align-items:flex-start;flex-direction:column}.tutor-form button{width:100%}.tutor-message.user{margin-left:16px}.tutor-prompts button{font-size:11px}}

/* Academy editorial collection v14 */
.art.art-editorial{display:block;background:#e2e8d8;isolation:isolate;overflow:hidden;position:relative}.art.art-editorial:before,.art.art-editorial:after{display:none}.art-editorial img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;max-width:none}.art-link:hover .art-editorial img{transform:scale(1.035)}.catalog-main .guide-card .art.art-editorial{height:auto;aspect-ratio:3/2}.article-illustration .art.art-editorial{height:420px}.article-illustration .art-editorial img{object-fit:contain}.card-research{margin:20px 0 14px;min-height:46px}.card-research>span{display:block;font-size:8px;letter-spacing:.15em;font-weight:700;color:var(--brand);margin-bottom:7px}.card-research>strong{display:block;font-size:13px;line-height:1.5;font-weight:650;letter-spacing:-.02em}.card-meta{margin-top:0}.guide-card h3{line-height:1.22}.guide-grid{row-gap:48px}.academy-guide{border-top:1px solid var(--line);display:grid;grid-template-columns:.95fr 1.15fr;gap:70px;padding:64px 0 50px}.academy-guide h2{font-size:clamp(72px,8vw,112px);line-height:1;letter-spacing:-.075em;font-weight:560;margin:22px 0 30px}.academy-guide h2>span{color:#bc8958}.guide-edition{display:flex;align-items:center;gap:17px}.guide-edition>strong{font-family:Georgia,serif;font-weight:400;font-size:64px;line-height:1;color:var(--brand)}.guide-edition>span{font-size:11px;line-height:1.6;color:var(--muted)}.guide-intro-copy .guide-big-copy{font-size:25px;font-weight:560;line-height:1.4;letter-spacing:-.035em;color:var(--ink);margin-bottom:24px}.guide-intro-copy>p{font-size:13px;line-height:1.95;color:var(--muted);margin-bottom:18px}.guide-intro-copy strong{font-weight:650;color:var(--ink)}.guide-steps{display:flex;flex-wrap:wrap;gap:28px;padding-top:12px;font-size:12px;font-weight:600}.guide-steps b{font-size:9px;color:var(--brand);margin-right:8px}.academy-source-strip{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;gap:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;margin-bottom:62px}.academy-source-strip>span{font-size:8px;font-weight:700;letter-spacing:.1em;color:var(--muted)}.academy-source-strip>strong{font-family:Georgia,serif;font-size:15px;letter-spacing:-.03em;font-weight:500}.catalog-main .library{padding-top:0}.research-card:only-child{grid-column:1/-1}.research-card:only-child strong{font-size:clamp(30px,4vw,48px)}.research-card:only-child p{max-width:680px}.featured .art-editorial{height:100%}.guide-card .card-meta{line-height:1.5}.research-card strong{overflow-wrap:anywhere}
@media(max-width:900px){.academy-guide{gap:35px;grid-template-columns:.8fr 1.2fr}.academy-guide h2{font-size:78px}.guide-intro-copy .guide-big-copy{font-size:22px}.academy-source-strip{justify-content:start}.article-illustration .art.art-editorial{height:340px}}
@media(max-width:600px){.academy-guide{display:block;padding:35px 0 30px}.academy-guide h2{font-size:82px;margin:20px 0 24px}.guide-intro-title{position:relative}.guide-edition{position:static;gap:10px;margin:0 0 24px}.guide-edition>strong{font-size:40px}.guide-edition>span{font-size:8px}.guide-intro-copy{padding-top:12px}.guide-intro-copy .guide-big-copy{font-size:23px}.guide-intro-copy>p{font-size:13px;line-height:1.85}.guide-steps{gap:24px}.academy-source-strip{gap:19px 22px;margin-bottom:36px;padding:22px 0}.academy-source-strip>span{flex-basis:100%}.academy-source-strip>strong{font-size:14px}.card-research{min-height:0;margin:18px 0 12px}.card-research>strong{font-size:14px}.guide-grid{row-gap:38px}.article-illustration .art.art-editorial{height:auto;aspect-ratio:3/2}.featured .art-editorial{height:230px}}
@media(prefers-reduced-motion:reduce){.art-editorial img{transition:none}.art-link:hover .art-editorial img{transform:none}}