@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/archivo-vietnamese-wght-normal-XAtsl5Q_.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/archivo-latin-ext-wght-normal-C4zznr8T.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/archivo-latin-wght-normal-E0tuGl4L.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Archivo Narrow;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/archivo-narrow-vietnamese-400-normal-uH49xrTy.woff2) format("woff2"),url(/assets/archivo-narrow-vietnamese-400-normal-C2Bhhhro.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Archivo Narrow;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/archivo-narrow-latin-ext-400-normal-BzcuidUP.woff2) format("woff2"),url(/assets/archivo-narrow-latin-ext-400-normal-DO6227My.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Archivo Narrow;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/archivo-narrow-latin-400-normal-BON_owyT.woff2) format("woff2"),url(/assets/archivo-narrow-latin-400-normal-nNe3qgr1.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Archivo Narrow;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/archivo-narrow-vietnamese-600-normal-B3iMS2rD.woff2) format("woff2"),url(/assets/archivo-narrow-vietnamese-600-normal-BOVNaV0C.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Archivo Narrow;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/archivo-narrow-latin-ext-600-normal-DNmONYTo.woff2) format("woff2"),url(/assets/archivo-narrow-latin-ext-600-normal-CFDqFZjW.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Archivo Narrow;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/archivo-narrow-latin-600-normal-l2jiltzb.woff2) format("woff2"),url(/assets/archivo-narrow-latin-600-normal-DZkbuzR9.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Archivo Narrow;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/archivo-narrow-vietnamese-700-normal-VsvP8OcS.woff2) format("woff2"),url(/assets/archivo-narrow-vietnamese-700-normal-CB0yIOvF.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Archivo Narrow;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/archivo-narrow-latin-ext-700-normal-DCLoHMFv.woff2) format("woff2"),url(/assets/archivo-narrow-latin-ext-700-normal-C4q0W15T.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Archivo Narrow;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/archivo-narrow-latin-700-normal-DtADLsoy.woff2) format("woff2"),url(/assets/archivo-narrow-latin-700-normal-DxmyBkwC.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(data:font/woff2;base64,d09GMgABAAAAAAfsABQAAAAAEAwAAAeCAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGhwbHhwoP0hWQVJbBmA/U1RBVIFiJyYAdC9qEQgKhGSEAAsgADCGCAE2AiQDOgQgBYlMB4EUDAcbLQ4onoexrSC/2ZyLAa8p8VHB8/x3Vue+V0hVJalMJg2nx/TCrQXxBeqLjQG7FyM1WEa/X1tEXN7cFz9EJEMmMUz3RihWSSKeQCbcIou0izz/C8v+fq3VfajEa9gDD11CImXS7qL/RJFVzC1qiB6KmKeD6TZdQ6IRGv78dL6uSVVCfgni5mzu7kcgQBgAEAQTQRCoL++STTYybkJxNfQxAAIAGu8OdEB9teW2jh4BpgDqFjAeSEByW3zFP0CBBgNMsMCGEDjgggdhiEAUAeIIED7ABTDUEnkIE9Q9ahFgKttcVhApo4ACB4qobHaccgDfEjFO6aaWUhjMLt2SyIvHKoDqoA4CSUwEIYQCEjhAO9R1G6keDeDZGjNo+AhxOjCEGTr1WeIF3kYBiLAOKvkJSMiKX0VdAyQt3SDJClCkxJCHkCzfqyVTriJZLcolS32JZHUekq2TYNkYtCtjYHMQXSxGjXDz2t/yLWXzDzxz+o3zFwDEaN23F+13pyMdQAEaSKAR9vcGq4A4MTSKCElGW+M7UcY7xqkggITb28ZJhlqc9q2twYKTt0NjixBgYvO9BIihEBLYuOFXQzfIQ7dXGUEEEgFDooBfAzqiQbpJrhiWSuKJCRFKYbHCyJKI2G5GiZbNAvgAu5pc3vwx4G+g3aDkhklABiSz0BICXrYghtYhx/cdJ+44rY2oZ0aMNRFz3VZjb6W33F3gzltqtOCV8tTHSpOeXuItfvr5lCdfzFpqtEitvqdcdGGFd28ZqqC0tPbeChGXgrIlnhSWu/eUso4uKWFLugyDzQJhflY4659+WjQ++6x72WUMv9G8mw6QJl7BVxX5fe/kpUsOvnZwee9uQ0cGXYd0o89XB2748sDSnt8d2VphdOTTgceDVvOds0v9P/s7HPq15aGun/6Vllb56f1dl0t1LejqrNkpdRZsG8TOnM5vkBG5oiVyVGnS8LHps5cfNWJs6qKPfaNSxiQNBUm3cKNWROr0GSur7Za31k1vieq7LH11VF+jXdRIasRKflc7jkobm1Z9te1IyZA0pDkhLR98+H37Zf1c/8at+dB7x+7GfVyTfJMPiYztsnl59Y5l4j+0n1RXlpHnF3Tq7HecmNF/CJodEMAikruxiyJaGLvHOdAfoA+oDvpjBm2b91cHGRZMU9n25xEU0A8fgEEAdKI3Q1iDtc034sug5YVMkE2jsE+BIkwSoQ3gxXMqz9tELp48bd0cFKOKS7xYjEuXBnZP5ia7DyiO/X/YI+PQSbt2uSdqAkWL9nQbV1XB94/+uPfdZz8dnXYFBYrcTl2SIR/ybxJNJPz/Gupb0JaZeens2ekC7EKr8t+Ls/P5VJPYJdHKyqfg2nqU6bhlidzcddQV/7MmecTzJ5VPcKXkNKSEogHjYFx6QZ7rQ+FSe8njaiNuOnXS8H2ScQ619c2mC3VTtauL0rRbXd/CkSOP37FY9Zkjz8+GibYUMOEWF+RdrFS8Ecv1SHOpPUPZGEIpjPvFyU5cXKjd6OXqorTqy9GwRd++HVufPGnVsW+aO3vggKZ18jR9sXaTC1PWTEsVUaK0FkNySbTQDqlm2PfDjZcu4aalnSLKjnOoYQ0nUlqqXcGpPu/4VgV/xU2pAqW4BW3qzhQ8/hFKhV2qE3+BKAtDqBXjfgnVdH4y0wg5tbVNRenNdTWOrenWLcupQdmsbq5b+18piTe/xRdp1xbILxNPJGInm2z6hoB21Lal0i+ePTtd7B45+3XhFJ329evskXm7qurUVREotqSluSo/L29d3qDhI4YOQqWhI4YNvBNfsMHeXKemXrxQfKeuPOGRVayA3JtkJKEgbPp+dXUDluddutRYLFoXGXWX6N3WFaGLbQtRSitVYNacTNSdy7AaG/HSaUEANcBoGXNdcZvZsOqQ1icBDv21/gzAoYPHH/WDW0qNR3QTYKEAEHig6o13NXbND06CQPlRtYjGNnSktRc09k1mAMDvAlDKfQjgy6fssInlfzmNAjKkDxoxHOBLdVRAIVt9j4qo+hA1w9T1aNBNTUOTTNUHLbqokE+UAfJXCIGw/IxCSL5GRUJeR40rL/UxTm4Q08H6MbCs70ObuNyIIXrINHQYInF06UUlevTjbQzTh5upiDMzMMogUtEnjPs/Y7jAHCJeB0GBHh04tC6FiB6ZFB1oArUSIoFoqhzCeAN6lHwm0T4C3VVPWvjpSMXReuWesMEcoqrmgtNBGd2noWeV0hNAz9rFeShNJxHGsPa3HXeKTk8b55hahySYHaYKKFFLpCfN8rsoaJn01CR04Gkc+5k7KVTCmClX8Q10HCrUEkVlSX+XO33oQR9609tJ516H497WSobWs5Up6TLaS10/dessIskgJSLiDlWvHVUywpkQ7hdPZqGyiEF0uVQerVcPamT1A3eKXdyI1vG9OoflrSXihZ1qqGE3nhmAgiIbRCQgPLEPtOM3UQwTLYaYYomNlpA44opnjV6jkD6id80OOrzf6BzmMD6eEa1zKyeYG1fzfEf16V6jw9XYOaar1/b2kP/IYX8oR2mcFvv2GtBV3JXgd437AQAA) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-cyrillic-wght-normal-D73BlboJ.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-greek-wght-normal-Bw9x6K1M.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-vietnamese-wght-normal-Bt-aOZkq.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-latin-ext-wght-normal-DBQx-q_a.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-latin-wght-normal-B9CIFXIH.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:light;--paper: #f4f4f1;--paper-sunk: #eceae5;--ink: #14171c;--ink-2: #454b55;--ink-3: #6b7079;--rule: #c9c7c0;--rule-soft: #dedcd5;--accent: #d6006e;--accent-ink: #ffffff;--f-thrust: #2f9e44;--f-drag: #e03131;--f-lift: #1971c2;--f-weight: #14171c;--f-other: #7048e8;--m-moment: #f76707;--v-flow: #0c8599;--a-angle: #c77800;--ref: #8a8f98;--p-low: #1971c2;--p-high: #e03131;--w-hair: .5px;--w-rule: 1px;--w-line: 1.5px;--f-display: "Archivo Narrow", "Archivo Variable", system-ui, sans-serif;--f-body: "Archivo Variable", "Archivo", system-ui, sans-serif;--f-mono: "JetBrains Mono Variable", "JetBrains Mono", ui-monospace, monospace;--u: 8px;--gutter: 40px;--margin-rail: 34px;--rail-gap: 18px;--ease: cubic-bezier(.16, 1, .3, 1);--dur: .42s;--dur-fast: .16s}@media(prefers-color-scheme:dark){:root:not([data-plate=positive]){color-scheme:dark;--paper: #101318;--paper-sunk: #171b21;--ink: #eceae5;--ink-2: #a8adb6;--ink-3: #7d838d;--rule: #333942;--rule-soft: #232830;--accent: #ff2d8e;--accent-ink: #101318;--f-thrust: #51cf66;--f-drag: #ff6b6b;--f-lift: #4dabf7;--f-weight: #eceae5;--f-other: #b197fc;--m-moment: #ff922b;--v-flow: #22b8cf;--a-angle: #ffd43b;--ref: #6c727c;--p-low: #4dabf7;--p-high: #ff6b6b}}:root[data-plate=negative]{color-scheme:dark;--paper: #101318;--paper-sunk: #171b21;--ink: #eceae5;--ink-2: #a8adb6;--ink-3: #7d838d;--rule: #333942;--rule-soft: #232830;--accent: #ff2d8e;--accent-ink: #101318;--f-thrust: #51cf66;--f-drag: #ff6b6b;--f-lift: #4dabf7;--f-weight: #eceae5;--f-other: #b197fc;--m-moment: #ff922b;--v-flow: #22b8cf;--a-angle: #ffd43b;--ref: #6c727c;--p-low: #4dabf7;--p-high: #ff6b6b}*,*:before,*:after{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16.5px;line-height:1.62;font-variant-numeric:tabular-nums;transition:background var(--dur-fast) linear,color var(--dur-fast) linear}h1,h2,h3,h4{margin:0;line-height:1.04;font-weight:700}sub,sup{font-size:.72em;line-height:0}p{margin:0 0 1.15em}a{color:inherit}button{font:inherit;color:inherit}::selection{background:var(--accent);color:var(--accent-ink)}:root{caret-color:var(--accent);accent-color:var(--accent)}::-webkit-scrollbar{width:11px;height:11px}::-webkit-scrollbar-track{background:var(--paper-sunk)}::-webkit-scrollbar-thumb{background:var(--rule);border:3px solid var(--paper-sunk)}::-webkit-scrollbar-thumb:hover{background:var(--ink-3)}*{scrollbar-color:var(--rule) var(--paper-sunk);scrollbar-width:thin}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.plate-frame{position:relative;min-height:100vh;padding:calc(var(--margin-rail) + var(--rail-gap)) calc(var(--margin-rail) + var(--rail-gap)) calc(var(--margin-rail) + 52px)}.zone{position:fixed;color:var(--ink-3);font-family:var(--f-mono);font-size:10px;letter-spacing:.06em;pointer-events:none;z-index:5;display:flex;justify-content:space-around;align-items:center}.zone--top{top:0;left:0;right:0;height:var(--margin-rail);padding:0 var(--margin-rail);background:var(--paper)}.zone--bottom{bottom:0;left:0;right:0;height:var(--margin-rail);padding:0 var(--margin-rail);background:var(--paper)}.zone--left{left:0;top:var(--margin-rail);bottom:var(--margin-rail);width:var(--margin-rail);flex-direction:column}.zone--right{right:0;top:var(--margin-rail);bottom:var(--margin-rail);width:var(--margin-rail);flex-direction:column}.zone i{font-style:normal;opacity:.9}.zone:before{content:"";position:absolute;background:var(--rule-soft)}.zone--top:before{left:0;right:0;bottom:0;height:var(--w-hair)}.zone--bottom:before{left:0;right:0;top:0;height:var(--w-hair)}.zone--left:before{top:0;bottom:0;right:0;width:var(--w-hair)}.zone--right:before{top:0;bottom:0;left:0;width:var(--w-hair)}.bar{position:sticky;top:var(--margin-rail);z-index:6;display:flex;align-items:baseline;gap:16px;padding:10px 0 9px;background:var(--paper);border-bottom:var(--w-rule) solid var(--ink)}.bar__title{display:inline-flex;align-items:center;gap:9px;align-self:center;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;text-decoration:none}.logo{flex:none;display:block;color:var(--ink)}.bar__title:hover .logo{color:var(--accent)}.bar__spacer{flex:1}.bar__meta,.bar button{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}.bar button{background:none;border:var(--w-hair) solid var(--rule);border-radius:0;padding:5px 9px;cursor:pointer}.bar button:hover{border-color:var(--ink);color:var(--ink)}.bar__ix{text-decoration:none;padding:5px 9px;border:var(--w-hair) solid var(--rule);font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}.bar__ix:hover{border-color:var(--accent);color:var(--accent)}.t-display{font-family:var(--f-display);font-size:clamp(40px,6.4vw,78px);font-weight:700;letter-spacing:-.028em;text-transform:uppercase;text-wrap:balance}.t-h2{font-size:21px;font-weight:700;letter-spacing:.01em;text-transform:uppercase;margin:2.2em 0 .7em}.t-label{font-family:var(--f-mono);font-size:10.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-2)}.t-num{font-family:var(--f-mono);font-variant-numeric:tabular-nums}.plate{border:var(--w-rule) solid var(--rule);background:var(--paper)}.plate__cap{border-top:var(--w-hair) solid var(--rule);padding:7px 12px;display:flex;gap:14px;align-items:center;font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}.home__lede{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,340px);gap:var(--gutter);align-items:end;padding:44px 0 30px}.home__lede p{max-width:46ch;color:var(--ink-2);margin:0}.stage{position:relative}.stage img{display:block;width:100%;height:auto;mix-blend-mode:multiply}:root[data-plate=negative] .stage img{mix-blend-mode:screen;filter:invert(1)}@media(prefers-color-scheme:dark){:root:not([data-plate=positive]) .stage img{mix-blend-mode:screen;filter:invert(1)}}.stage svg{position:absolute;inset:0;width:100%;height:100%}.balloon{cursor:pointer}.balloon .lead{stroke:var(--ink-3);stroke-width:var(--w-rule);fill:none}.balloon .ring{fill:var(--paper);stroke:var(--ink);stroke-width:var(--w-rule)}.balloon .num{fill:var(--ink);font-family:var(--f-mono);font-size:11px;font-weight:600;text-anchor:middle;dominant-baseline:central}.balloon .name{fill:var(--ink-2);font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase}.balloon:hover .lead,.balloon:focus-visible .lead{stroke:var(--accent);stroke-width:var(--w-line)}.balloon:hover .ring,.balloon:focus-visible .ring{stroke:var(--accent)}.balloon:hover .num,.balloon:focus-visible .num{fill:var(--accent)}.balloon:hover .name,.balloon:focus-visible .name{fill:var(--ink)}.balloon.done .ring{fill:var(--ink)}.balloon.done .num{fill:var(--paper)}@keyframes draw-in{0%{stroke-dashoffset:var(--len)}to{stroke-dashoffset:0}}.stage.enter .balloon .lead{stroke-dasharray:var(--len);animation:draw-in .62s var(--ease) backwards}.stage.enter .balloon .ring,.stage.enter .balloon .name{animation:fade-in .38s var(--ease) backwards}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.index{width:100%;border-collapse:collapse;margin-top:34px}.index th{text-align:left;font-family:var(--f-mono);font-size:10px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);padding:8px 12px;border-bottom:var(--w-rule) solid var(--ink)}.index td{padding:11px 12px;border-bottom:var(--w-hair) solid var(--rule-soft);vertical-align:baseline}.index tr:hover td{background:var(--paper-sunk)}.index a{text-decoration:none;font-weight:600}.index a:hover{color:var(--accent)}.index .c-item{width:62px;font-family:var(--f-mono);color:var(--ink-3);font-size:12.5px}.index .c-rem{color:var(--ink-2);font-size:14px}.index .c-st{width:92px;text-align:right;font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}.index .done .c-st{color:var(--f-thrust)}.catalogue{display:flex;align-items:baseline;gap:14px;margin-top:28px;padding:14px 16px;text-decoration:none;border:var(--w-rule) solid var(--ink)}.catalogue__t{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.13em;text-transform:uppercase}.catalogue__n{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}.catalogue .mk{margin-left:auto;color:var(--accent)}.catalogue:hover{background:var(--paper-sunk)}.catalogue--exam{margin-top:-1px}.exam__bar{display:flex;align-items:center;gap:14px;margin:-2px 0 10px;padding-bottom:8px;border-bottom:var(--w-hair) solid var(--rule);font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.exam__dots{display:flex;gap:5px;margin-left:auto}.exam__dots i{width:9px;height:9px;border:var(--w-rule) solid var(--rule)}.exam__dots i.done{background:var(--f-thrust);border-color:var(--f-thrust)}.exam__dots i.now{border-color:var(--ink);background:var(--ink)}.exam__name{margin:0 0 6px;font-size:19px;font-weight:600}.exam__next{display:inline-flex;align-items:center;gap:9px;margin-top:12px;cursor:pointer;background:none;border:var(--w-rule) solid var(--f-thrust);border-radius:0;padding:12px 16px;color:var(--ink);font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}.exam__next:hover{background:var(--paper-sunk)}.exam__list{margin-top:8px}.sandbox--exam{border:var(--w-rule) solid var(--ink);border-top-width:var(--w-rule)}.cards{padding:40px 0 60px}.cards__head{max-width:62ch;margin-bottom:32px}.cards__lede{color:var(--ink-2);font-size:19px;margin-top:.5em}.cards__body{max-width:72ch}.cards__stat{margin-bottom:22px}.cards__acts{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}.cards__h2{margin-bottom:.3em}.cards__note{color:var(--ink-2);font-size:15px;margin-bottom:16px}.cards__exam{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch}.cards__go,.cards__go2,.cards__x{display:inline-flex;align-items:center;gap:10px;cursor:pointer;background:none;border:var(--w-rule) solid var(--ink);border-radius:0;padding:13px 16px;color:var(--ink);font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}.cards__go2{border-width:var(--w-hair);border-color:var(--rule);color:var(--ink-2)}.cards__go .mk{color:var(--accent)}.cards__go:hover,.cards__go2:hover,.cards__x:hover{background:var(--paper-sunk);border-color:var(--ink)}.cards__go:disabled{border-color:var(--rule);color:var(--ink-3);cursor:default}.cards__go:disabled .mk{color:var(--ink-3)}.cards__pick{background:var(--paper);color:var(--ink);border-radius:0;border:var(--w-hair) solid var(--rule);padding:13px 16px;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}.cards__bar{display:flex;align-items:center;gap:14px;margin-bottom:18px;padding-bottom:9px;border-bottom:var(--w-rule) solid var(--ink);font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.cards__count{margin-left:auto}.cards__x{padding:5px 9px;font-size:10px;border-width:var(--w-hair);border-color:var(--rule)}.card{border:var(--w-rule) solid var(--ink);margin-bottom:16px}.card__cap{display:flex;gap:14px;padding:7px 12px;border-bottom:var(--w-hair) solid var(--rule);font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.card__cap span:last-child{margin-left:auto}.card__lead{margin:0;padding:13px 18px 0;font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}.card__q{padding:16px 18px;font-size:19px;line-height:1.45}.card__q i{font-family:var(--f-mono);font-style:normal}.card__a{padding:15px 18px;border-top:var(--w-hair) solid var(--rule);background:var(--paper-sunk);color:var(--ink-2);font-size:15.5px}.card__why{margin:0 0 16px;padding:14px 18px;color:var(--ink-2);font-size:15px;border:var(--w-hair) solid var(--rule);border-top:0}.card__grade{display:flex;gap:12px}.card__grade button{flex:1;cursor:pointer;background:none;border-radius:0;border:var(--w-hair) solid var(--rule);padding:14px 16px;color:var(--ink-2);font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}.card__grade button:hover{border-color:var(--f-drag);color:var(--ink)}.card__grade .right:hover{border-color:var(--f-thrust)}.card__opt{display:flex;align-items:stretch;width:100%;text-align:left;font-size:15px;padding:0;cursor:pointer;background:none;border:0;border-top:var(--w-hair) solid var(--rule);border-radius:0}.card__opt:hover:not(:disabled){background:var(--paper-sunk)}.card__opt.right .check__k{background:var(--f-thrust);color:var(--paper);border-right-color:var(--f-thrust)}.card__opt.wrong .check__k{background:var(--f-drag);color:var(--paper);border-right-color:var(--f-drag)}.card__opt.right .check__o{font-weight:600}.card__opt.wrong .check__o{color:var(--ink-3);text-decoration:line-through}.card--done .card__q{font-family:var(--f-mono);font-size:21px}@media(max-width:620px){.cards__acts,.cards__exam,.card__grade{flex-direction:column}.cards__go,.cards__go2,.cards__pick{width:100%;justify-content:space-between}}.lesson{display:grid;grid-template-columns:minmax(0,46fr) minmax(0,54fr);gap:0 var(--gutter)}.lesson__head{grid-column:1;grid-row:1;padding-top:40px;min-width:0}.col{grid-column:1;grid-row:2;padding:0 0 40px;min-width:0}.after{padding-bottom:20px}.apply{margin-bottom:34px}.steps{border:var(--w-rule) solid var(--ink);margin-bottom:26px;max-width:calc((100% - var(--gutter)) * .46)}.steps__cap{display:flex;justify-content:space-between;gap:14px;padding:8px 12px;background:var(--paper-sunk);border-bottom:var(--w-rule) solid var(--ink);font-family:var(--f-mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-2)}.steps__row{display:flex;width:100%;align-items:center;gap:12px;cursor:pointer;padding:11px 12px;text-align:left;background:none;color:inherit;border:0;border-top:var(--w-hair) solid var(--rule);border-radius:0;font:inherit}.steps__row:first-of-type{border-top:0}.steps__row:hover{background:var(--paper-sunk)}.steps__k{flex:none;display:flex;align-items:center;justify-content:center;width:22px;height:22px;border:var(--w-hair) solid var(--rule)}.steps__k svg{width:13px;height:11px;stroke:var(--f-thrust);stroke-width:2;fill:none}.steps__l{flex:1;min-width:0;font-size:15px}.steps__h{display:block;font-family:var(--f-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-top:3px}.steps__row.done{color:var(--ink-3)}.steps__row.done .steps__k{border-color:var(--f-thrust)}.steps__row .mk{color:var(--accent)}.apply .launch{border:var(--w-rule) solid var(--ink);border-top-width:var(--w-rule)}.col>*,.lesson__head>*{max-width:68ch}.bench-wrap{grid-column:2;grid-row:1 / span 2;position:sticky;top:calc(var(--margin-rail) + 58px);height:fit-content;max-height:calc(100vh - var(--margin-rail) * 2 - 66px);overflow:auto;padding-top:40px}.lesson__title{margin-bottom:.5em}.lesson__sub{color:var(--ink-2);font-size:19px;max-width:40ch;margin-bottom:2.4em}.concrete{border:var(--w-hair) solid var(--rule);padding:17px 19px;margin:0 0 2em;font-size:18px;line-height:1.55}.aside{color:var(--ink-2);font-size:15px;border-left:var(--w-hair) solid var(--rule);padding-left:18px;margin:0 0 2em}.figref{margin:2em 0}.figref__line{display:flex;align-items:center;gap:12px;padding-bottom:5px;border-bottom:var(--w-hair) solid var(--rule)}.figref__plate{display:none}.figref__rule{flex:1;height:var(--w-hair);background:var(--rule-soft)}.figref__hint{display:inline-flex;align-items:center;gap:7px;font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}@media(max-width:1020px){.figref__hint{display:none}}.myth{border:var(--w-hair) solid var(--rule);border-top:var(--w-rule) solid var(--ink);margin:0 0 2.4em}.myth__b{padding:17px 19px}.myth__claim{display:flex;gap:11px;align-items:baseline;font-size:18px;font-weight:600;margin-bottom:.7em}.revmark{width:14px;height:12px;flex:none;fill:var(--ink)}.myth__truth{margin:0;color:var(--ink-2)}.formula{margin:0 0 2.4em}.formula__eq{padding:26px 18px;text-align:center;font-size:25px;font-family:var(--f-mono);letter-spacing:-.01em;background:var(--paper-sunk)}.formula__eq sub,.formula__eq sup{font-size:.6em}.formula dl{display:grid;grid-template-columns:auto 1fr;gap:5px 16px;margin:0;padding:14px 18px;font-size:14px}.formula dt{font-family:var(--f-mono);color:var(--accent);text-align:right}.formula dd{margin:0;color:var(--ink-2)}.vids{margin:0 0 2.4em}.vid{display:flex;gap:14px;align-items:flex-start;width:100%;text-align:left;padding:13px 16px;cursor:pointer;background:none;border-radius:0;border:var(--w-hair) solid var(--rule);border-bottom-width:0}.vid:last-child{border-bottom-width:var(--w-hair)}.vid:hover{background:var(--paper-sunk);border-color:var(--ink)}.vid__t{min-width:0}.vid b{display:block;font-size:15px;font-weight:600}.vid .m{display:block;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-top:3px}.vid .n{display:block;font-size:14px;color:var(--ink-2);margin-top:6px}.vid__play{flex:none;width:30px;height:30px;margin-top:2px;display:grid;place-items:center;border:var(--w-rule) solid var(--rule)}.vid__play svg{width:10px;height:12px;fill:var(--ink-2)}.vid:hover .vid__play{border-color:var(--ink)}.vid:hover .vid__play svg{fill:var(--accent)}.vp{width:min(1080px,94vw);max-width:none;max-height:92vh;padding:0;border:var(--w-rule) solid var(--ink);border-radius:0;background:var(--paper);color:var(--ink)}.vp::backdrop{background:var(--paper)}.vp__bar{display:flex;align-items:center;gap:14px;padding:8px 12px;border-bottom:var(--w-hair) solid var(--rule);font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}.vp__dur{margin-left:auto}.vp__x{display:inline-flex;align-items:center;gap:8px;cursor:pointer;background:none;border:var(--w-hair) solid var(--rule);border-radius:0;padding:4px 9px;font:inherit;letter-spacing:inherit;text-transform:inherit}.vp__x svg{width:9px;height:9px;stroke:currentColor;stroke-width:1.4;fill:none}.vp__x:hover{border-color:var(--ink);color:var(--ink)}.vp__stage{position:relative;aspect-ratio:16 / 9;background:var(--paper-sunk)}.vp__frame,.vp__stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.vp__cap{padding:11px 14px;border-top:var(--w-hair) solid var(--rule)}.vp__cap b{display:block;font-size:15px;font-weight:600}.vp__cap span{display:block;font-size:14px;color:var(--ink-2);margin-top:4px}.vp--sim{width:min(1180px,96vw)}.vp--sim .sandbox{border-top:0}.vp__end{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:24px}.vp__acts{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.vp__acts button{display:inline-flex;align-items:center;gap:9px;cursor:pointer;background:var(--paper);border:var(--w-hair) solid var(--rule);border-radius:0;padding:13px 16px;max-width:40ch;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}.vp__acts button:hover{border-color:var(--accent);color:var(--accent)}.check{border:var(--w-rule) solid var(--ink);margin:0 0 2.4em}.check__cap{display:flex;gap:14px;align-items:baseline;padding:7px 12px;border-bottom:var(--w-hair) solid var(--rule);font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.check__cap span:first-child{font-weight:600;color:var(--ink-2)}.check__cap span:last-child{margin-left:auto}.check__q{margin:0;padding:15px 18px;font-size:18px;font-weight:600;background:var(--paper-sunk);border-bottom:var(--w-rule) solid var(--ink)}.check button{display:flex;align-items:stretch;width:100%;text-align:left;font-size:15px;padding:0;cursor:pointer;background:none;border:0;border-bottom:var(--w-hair) solid var(--rule);border-radius:0}.check button:last-of-type{border-bottom:0}.check__k{flex:none;width:46px;display:grid;place-items:center;border-right:var(--w-hair) solid var(--rule);font-family:var(--f-mono);font-size:12.5px;color:var(--ink-3)}.check__k svg{width:15px;height:13px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.check__o{padding:13px 16px}.check button:hover:not(:disabled){background:var(--paper-sunk)}.check button:hover:not(:disabled) .check__k{color:var(--ink);border-right-color:var(--ink)}.check button:disabled{cursor:default}.check button.right .check__k,.check button.wrong .check__k{color:var(--paper)}.check button.right .check__k{background:var(--f-thrust);border-right-color:var(--f-thrust)}.check button.right .check__o{font-weight:600}.check button.wrong .check__k{background:var(--f-drag);border-right-color:var(--f-drag)}.check button.wrong .check__o{color:var(--ink-3);text-decoration:line-through}.check__why{font-size:15px;color:var(--ink-2);margin:0;padding:14px 18px;border-top:var(--w-rule) solid var(--ink)}.check__why[hidden]{display:none}.bench{border:var(--w-rule) solid var(--ink)}.bench .fig-host{position:relative}.fig-host svg.figure{display:block;width:100%;height:auto}.sheets{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:9px 12px;border-top:var(--w-hair) solid var(--rule)}.sheets__hint{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-left:auto}.sheets__lab{font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-right:4px}.sheets button{width:26px;height:26px;cursor:pointer;background:var(--paper);border:var(--w-hair) solid var(--rule);border-radius:0;font-family:var(--f-mono);font-size:11px;color:var(--ink-2)}.sheets button:hover{border-color:var(--ink);color:var(--ink)}@media(pointer:coarse){.sheets button{width:44px;height:44px;font-size:12.5px}}.sheets button[data-at=done]{background:var(--paper-sunk);border-color:var(--ink-3);color:var(--ink-2)}.sheets button[data-at=now],.sheets button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--paper);font-weight:600}.instr{border-top:var(--w-rule) solid var(--ink);padding:14px 12px 12px}.brief{margin:0 0 14px;font-size:15px;color:var(--ink-2);max-width:62ch}.goal{margin:12px 0 0;padding:10px 12px;border:var(--w-rule) solid var(--f-thrust);color:var(--ink);font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.ctl--ap .track{display:flex}.ctl--ap button{background:none;border:var(--w-hair) solid var(--rule);border-radius:0;padding:4px 12px;cursor:pointer;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase}.ctl--ap button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--paper)}.ctl{display:grid;grid-template-columns:88px 1fr 62px;gap:12px;align-items:center;margin-bottom:12px}.ctl label{font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}.ctl output{font-family:var(--f-mono);font-size:12.5px;text-align:right;color:var(--ink)}.scale{display:grid;grid-template-columns:auto 1fr auto;gap:9px;align-items:center}.scale span{font-family:var(--f-mono);font-size:10px;color:var(--ink-3);white-space:nowrap}.scale .track{position:relative}.scale .track:after{content:"";position:absolute;left:0;right:0;top:15px;height:5px;background-image:repeating-linear-gradient(to right,var(--rule) 0 1px,transparent 1px 10%);pointer-events:none}.ctl input[type=range]{display:block;width:100%;height:22px;background:none;-webkit-appearance:none;appearance:none}.ctl input[type=range]::-webkit-slider-runnable-track{height:2px;background:var(--rule)}.ctl input[type=range]::-moz-range-track{height:2px;background:var(--rule)}.ctl input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:20px;margin-top:-9px;background:var(--accent);border:0;border-radius:0;cursor:grab}.ctl input[type=range]::-moz-range-thumb{width:12px;height:20px;background:var(--accent);border:0;border-radius:0;cursor:grab}.readout{display:grid;grid-template-columns:repeat(4,1fr);border:var(--w-hair) solid var(--rule)}.readout div{padding:8px 10px;border-right:var(--w-hair) solid var(--rule);min-width:0}.readout div:last-child{border-right:0}.readout .v-angle b{color:var(--a-angle)}.readout .v-moment b{color:var(--m-moment)}.readout span{display:block;font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}.readout b{display:block;font-family:var(--f-mono);font-size:15px;font-weight:500;margin-top:2px}.readout .v-lift b{color:var(--f-lift)}.readout .v-weight b{color:var(--f-weight)}.readout .v-thrust b{color:var(--f-thrust)}.readout .v-drag b{color:var(--f-drag)}.sandbox{border-top:var(--w-rule) solid var(--ink)}.sandbox canvas{display:block}.sandbox__hud{display:flex;gap:18px;padding:7px 12px;border-top:var(--w-hair) solid var(--rule);font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}.sandbox__hud b{color:var(--ink);font-weight:500}.sandbox__hud button{display:inline-flex;align-items:center;gap:7px;cursor:pointer;background:none;border:0;padding:0;color:inherit;font:inherit;letter-spacing:inherit;text-transform:inherit}.sandbox__hud button:hover{color:var(--ink)}.launch{display:flex;width:100%;max-width:calc((100% - var(--gutter)) * .46);align-items:center;gap:9px;padding:9px 12px;cursor:pointer;text-align:left;background:none;color:var(--ink);border:0;border-top:var(--w-hair) solid var(--rule);border-radius:0;font-family:var(--f-mono);font-size:10.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase}.launch:hover{background:var(--paper-sunk)}.launch:disabled{color:var(--ink-3);cursor:default}.launch .mk{color:var(--accent)}.launch:disabled .mk{color:var(--ink-3)}.mk{width:18px;height:10px;flex:none;display:inline-block;vertical-align:-1px}.mk-s{stroke:currentColor;stroke-width:1.1;fill:none}.mk-h{fill:currentColor;stroke:none}.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;max-width:calc((100% - var(--gutter)) * .46);padding-top:22px;border-top:var(--w-rule) solid var(--ink)}.foot a{display:inline-flex;align-items:center;gap:9px;text-decoration:none;padding:13px 16px;border:var(--w-hair) solid var(--rule);font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}.foot a:hover{border-color:var(--accent);color:var(--accent)}.foot__ix{flex:1;justify-content:center;border-style:dashed!important;color:var(--ink-2)}.foot__ix:hover{border-style:solid!important}.figure .stroke{fill:none;stroke-width:var(--w-line);stroke-linejoin:round;stroke-linecap:round}.figure .hair{stroke-width:var(--w-rule);fill:none}.figure .force{stroke-width:2.5;fill:none}.figure .component{stroke-width:var(--w-line);stroke-dasharray:7 4;fill:none}.figure .dash{stroke-dasharray:5 4}.figure .axis{opacity:.8}.figure .area{opacity:.12}.figure .dot{stroke:none}.figure .k-lift{stroke:var(--f-lift)}.figure .dot.k-lift,.figure .area.k-lift{fill:var(--f-lift)}.figure .k-weight{stroke:var(--f-weight)}.figure .dot.k-weight,.figure .area.k-weight{fill:var(--f-weight)}.figure .k-thrust{stroke:var(--f-thrust)}.figure .dot.k-thrust,.figure .area.k-thrust{fill:var(--f-thrust)}.figure .k-drag{stroke:var(--f-drag)}.figure .dot.k-drag,.figure .area.k-drag{fill:var(--f-drag)}.figure .k-other{stroke:var(--f-other)}.figure .dot.k-other,.figure .area.k-other{fill:var(--f-other)}.figure .k-moment{stroke:var(--m-moment)}.figure .dot.k-moment,.figure .area.k-moment{fill:var(--m-moment)}.figure .k-flow{stroke:var(--v-flow)}.figure .dot.k-flow,.figure .area.k-flow{fill:var(--v-flow)}.figure .k-angle{stroke:var(--a-angle)}.figure .dot.k-angle,.figure .area.k-angle{fill:var(--a-angle)}.figure .k-ref{stroke:var(--ref);opacity:.6}.figure .dot.k-ref,.figure .area.k-ref{fill:var(--ref)}.figure .k-ink{stroke:var(--ink)}.figure .dot.k-ink,.figure .area.k-ink{fill:var(--ink)}.figure .k-low{stroke:var(--p-low)}.figure .dot.k-low,.figure .area.k-low{fill:var(--p-low)}.figure .k-high{stroke:var(--p-high)}.figure .dot.k-high,.figure .area.k-high{fill:var(--p-high)}.figure .fill-lift{fill:var(--f-lift)}.figure .fill-weight{fill:var(--f-weight)}.figure .fill-thrust{fill:var(--f-thrust)}.figure .fill-drag{fill:var(--f-drag)}.figure .fill-other{fill:var(--f-other)}.figure .fill-moment{fill:var(--m-moment)}.figure .fill-flow{fill:var(--v-flow)}.figure .fill-angle{fill:var(--a-angle)}.figure .fill-ink{fill:var(--ink)}.figure .fill-ref{fill:var(--ref)}.figure .airframe .stroke{stroke:var(--ink-2)}.figure .airframe .hair{stroke:var(--ink-3)}.figure .cg-ring{fill:none;stroke:var(--ink);stroke-width:var(--w-line)}.figure .cg-fill{fill:var(--ink)}.figure .chip{fill:var(--paper)}.figure .chip-t{font-family:var(--f-mono);font-size:13px;font-weight:500;text-anchor:middle;dominant-baseline:middle;stroke:none}.figure .chip-t.sm{font-size:11.5px}.figure .chip-t.k-lift{fill:var(--f-lift)}.figure .chip-t.k-weight{fill:var(--f-weight)}.figure .chip-t.k-thrust{fill:var(--f-thrust)}.figure .chip-t.k-drag{fill:var(--f-drag)}.figure .chip-t.k-other{fill:var(--f-other)}.figure .chip-t.k-moment{fill:var(--m-moment)}.figure .chip-t.k-flow{fill:var(--v-flow)}.figure .chip-t.k-angle{fill:var(--a-angle)}.figure .chip-t.k-ref{fill:var(--ink-3)}.figure .chip-t.k-ink{fill:var(--ink)}.figure .chip-t.k-low{fill:var(--p-low)}.figure .chip-t.k-high{fill:var(--p-high)}.figure .note{font-family:var(--f-mono);font-size:12px;fill:var(--ink-3);stroke:none}.figure .cap{font-size:15px;text-anchor:middle;fill:var(--ink-2);stroke:none}.figure .s2,.figure .s3,.figure .s4,.figure .cap{transition:opacity .3s var(--ease)}.figure .cap,.figure[data-state="1"] .s2,.figure[data-state="1"] .s3,.figure[data-state="1"] .s4,.figure[data-state="2"] .s3,.figure[data-state="2"] .s4,.figure[data-state="3"] .s4{opacity:0}.figure[data-state="1"] .cap1,.figure[data-state="2"] .cap2,.figure[data-state="3"] .cap3,.figure[data-state="4"] .cap4{opacity:1}@media(max-width:1020px){:root{--margin-rail: 20px;--gutter: 28px;--rail-gap: 8px}.zone--left,.zone--right{display:none}.lesson{grid-template-columns:minmax(0,1fr)}.lesson__head,.col{grid-column:1;grid-row:auto}.lesson__head{order:0;padding-top:24px}.bench-wrap{display:none}.col{order:2}.lesson__sub{margin-bottom:1.4em}.figref__plate{display:block;margin-top:10px;background:var(--paper);border:var(--w-rule) solid var(--ink)}.figref__plate .fig-host svg.figure{display:block;width:100%;height:auto}.figref__plate .sheets{border-top:var(--w-hair) solid var(--rule)}.apply{padding-bottom:30px}.apply .launch,.foot,.steps{max-width:none}.home__lede{grid-template-columns:minmax(0,1fr);gap:18px}.stage{overflow-x:auto;overscroll-behavior-x:contain}.stage__inner{min-width:900px;position:relative}.stage img{min-width:900px}}@media(max-width:620px){body{font-size:16px}.index{display:block;margin-top:22px;border-top:var(--w-rule) solid var(--ink)}.index thead{display:none}.index tbody{display:block}.index tr{display:grid;grid-template-columns:38px minmax(0,1fr);column-gap:10px;padding:11px 12px;border-bottom:var(--w-hair) solid var(--rule-soft)}.index td{display:block;padding:0;border:0}.index .c-item{width:auto;grid-column:1;grid-row:1}.index tr td:nth-child(2){grid-column:2;grid-row:1}.index .c-rem{grid-column:2;grid-row:2;margin-top:4px;font-size:14px}.index .c-st{grid-column:2;grid-row:3;width:auto;text-align:left;margin-top:6px}.index .c-st:empty{display:none}.readout{grid-template-columns:repeat(2,1fr)}.readout div:nth-child(2){border-right:0}.readout div:nth-child(-n+2){border-bottom:var(--w-hair) solid var(--rule)}.ctl{grid-template-columns:72px 1fr 52px;gap:8px}.scale span{display:none}}::view-transition-old(root){animation:plate-out .12s var(--ease) both}::view-transition-new(root){animation:plate-in .24s var(--ease) both}@keyframes plate-out{to{opacity:0}}@keyframes plate-in{0%{opacity:0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}::view-transition-old(root),::view-transition-new(root){animation:none}}.catalogue--src{margin-top:-1px}.src{border:var(--w-hair) solid var(--rule);margin-bottom:14px}.src__cap{display:flex;gap:14px;padding:8px 14px;border-bottom:var(--w-hair) solid var(--rule);background:var(--paper-sunk);font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.src__cap span:first-child{font-weight:600;color:var(--ink)}.src__cap span:last-child{margin-left:auto}.src__who{margin:13px 14px 0;font-size:15px;font-weight:600}.src__what{margin:6px 14px 0;font-size:15px;color:var(--ink-2)}.src__url{display:block;margin:10px 14px 14px;font-family:var(--f-mono);font-size:11px;letter-spacing:.04em;color:var(--ink-3);text-decoration:none;overflow-wrap:anywhere}.src__url:hover{color:var(--accent)}.credits__list{margin-top:6px}.credits__list .c-item{width:52px;text-align:right}.credits__list .c-rem{font-size:13.5px}.credits__foot{margin-top:22px}.credits__foot code{font-family:var(--f-mono);font-size:13px;color:var(--ink)}
