:root{--ink:#102e3d;--ink2:#214656;--paper:#f4f7f3;--white:#fbfcfa;--line:#bed1ce;--slate:#59717a;--teal:#08716e;--teal2:#075957;--pale:#d6ede5;--wash:#e9f2ef;--orange:#dd7448;--mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.52}a{color:inherit}.shell{max-width:1320px;margin:auto;padding:0 42px}.nav{height:80px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{font:700 18px Georgia,serif;letter-spacing:-.035em;text-decoration:none}.nav-right{display:flex;gap:18px;align-items:center;font-size:12px;font-weight:bold}.nav-right a{text-decoration:none}.nav-right a:last-child{border:1px solid var(--ink);padding:8px 11px}.kicker{font:700 10px/1.2 var(--mono);letter-spacing:.11em;text-transform:uppercase;color:var(--teal)}.hero{padding:74px 0 0;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.13fr .87fr;gap:58px}.hero h1{margin:20px 0 0;max-width:860px;font:400 clamp(54px,8.4vw,116px)/.82 Georgia,serif;letter-spacing:-.09em}.hero h1 em{font-style:normal;color:var(--teal)}.lede{max-width:620px;margin:32px 0 48px;font-size:17px;line-height:1.5;color:var(--ink2)}.hero-note{align-self:end;padding:18px 0 46px}.hero-note p{font-size:14px;color:var(--slate);margin:0 0 22px;max-width:390px}.button{display:inline-flex;align-items:center;gap:8px;min-height:43px;padding:0 15px;text-decoration:none;background:var(--ink);color:#fff;font-size:12px;font-weight:bold}.letters{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.letter{background:var(--white);min-height:112px;padding:13px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.letter b{display:block;color:var(--teal);font:400 54px/.85 Georgia,serif;letter-spacing:-.08em}.letter span{display:block;margin-top:15px;font:700 10px var(--mono);letter-spacing:.07em}.how{display:grid;grid-template-columns:180px 1fr;padding:48px 0;border-bottom:1px solid var(--line);gap:28px}.how h2{font:400 clamp(26px,3vw,41px)/1.07 Georgia,serif;letter-spacing:-.055em;margin:0;max-width:900px}.how-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:28px}.how-step{background:var(--paper);padding:17px;min-height:144px}.how-step b{display:block;font:700 10px var(--mono);letter-spacing:.09em;color:var(--teal)}.how-step p{font-size:13px;margin:25px 0 0;color:var(--ink2)}.guide{display:grid;grid-template-columns:180px minmax(0,1fr);gap:28px;padding:64px 0 72px}.toc{position:sticky;top:18px;align-self:start}.toc .toc-title{margin-bottom:12px}.toc a{display:block;text-decoration:none;border-top:1px solid var(--line);padding:9px 0;font:700 11px var(--mono);letter-spacing:.04em;color:var(--slate)}.toc a span{display:inline-block;width:20px;color:var(--teal)}.toc a:last-child{border-bottom:1px solid var(--line)}.guide-intro{border-bottom:1px solid var(--line);padding-bottom:31px;margin-bottom:35px}.guide-intro h2{font:400 clamp(34px,4vw,56px)/.93 Georgia,serif;letter-spacing:-.067em;margin:0}.guide-intro p{font-size:15px;color:var(--slate);max-width:660px;margin:16px 0 0}.stage{padding:0 0 57px;margin-bottom:56px;border-bottom:1px solid var(--line);scroll-margin-top:20px}.stage-top{display:grid;grid-template-columns:92px 1fr;gap:20px}.stage-letter{font:400 76px/.75 Georgia,serif;color:var(--teal);letter-spacing:-.09em}.stage-title h2{font:400 clamp(37px,4.2vw,61px)/.85 Georgia,serif;letter-spacing:-.075em;margin:0}.stage-title h2 small{font:700 11px var(--mono);letter-spacing:.09em;color:var(--teal);vertical-align:middle;margin-left:7px}.stage-title p{max-width:670px;font-size:16px;margin:18px 0 0;color:var(--ink2)}.stage-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin:29px 0}.stage-box{background:var(--paper);padding:17px;min-height:136px}.stage-box b{font:700 10px var(--mono);letter-spacing:.09em;color:var(--teal)}.stage-box ul{padding:0;margin:13px 0 0;list-style:none;font-size:13px;color:var(--ink2)}.stage-box li{border-bottom:1px solid #d8e3e0;padding:4px 0}.stage-box li:last-child{border:0}.stage-box p{font-size:13px;color:var(--ink2);margin:13px 0 0}.example{padding:16px 18px;border-left:3px solid var(--orange);background:#f9f2ec;margin:25px 0}.example b{display:block;color:#955038;font:700 10px var(--mono);letter-spacing:.1em}.example p{margin:7px 0 0;font-size:13px;color:#61473c}.prompt-set{margin-top:27px}.prompt-set h3{font:400 30px/1 Georgia,serif;letter-spacing:-.052em;margin:0 0 13px}.prompt-set > p{font-size:13px;color:var(--slate);margin:0 0 15px}.prompt{background:var(--white);border:1px solid var(--line);margin-top:10px}.prompt summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px 16px;font-size:14px;font-weight:bold}.prompt summary::-webkit-details-marker{display:none}.prompt summary:after{content:'+';font:400 25px/.5 Georgia,serif;color:var(--teal)}.prompt[open] summary{border-bottom:1px solid var(--line)}.prompt[open] summary:after{content:'−'}.prompt-body{padding:16px}.prompt-note{font-size:12px;color:var(--slate);margin:0 0 13px}.prompt pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;padding:16px;background:#eef5f2;border:1px solid #d1e2de;color:#123b48;font:12px/1.5 var(--mono)}.copy{float:right;margin:0 0 10px 10px;padding:7px 9px;background:var(--ink);border:0;color:#fff;font:700 10px var(--mono);cursor:pointer}.copy:focus,.button:focus,a:focus,summary:focus{outline:3px solid var(--orange);outline-offset:3px}.warning{display:grid;grid-template-columns:180px 1fr;gap:28px;padding:48px 0;border-top:1px solid var(--line)}.warning-box{background:var(--ink);padding:26px;color:#f5f8f7;max-width:800px}.warning-box h2{font:400 clamp(27px,3vw,39px)/.96 Georgia,serif;letter-spacing:-.06em;margin:0}.warning-box p{font-size:13px;color:#c6d6d6;max-width:620px;margin:17px 0 0}.origin{margin:20px 0 63px;background:var(--pale);padding:42px;display:grid;grid-template-columns:1fr 1fr;gap:40px}.origin h2{margin:0;font:400 clamp(34px,4.3vw,60px)/.9 Georgia,serif;letter-spacing:-.07em}.origin p{max-width:430px;margin:0;font-size:14px;color:var(--ink2)}.origin .author{margin-top:20px;font:700 10px var(--mono);letter-spacing:.1em;color:var(--teal)}.footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding:22px 0 30px;font-size:11px;color:var(--slate)}@media(max-width:860px){.shell{padding:0 20px}.nav{height:66px}.nav-right a:first-child{display:none}.hero{padding-top:48px}.hero-grid,.origin{grid-template-columns:1fr;gap:18px}.hero-note{padding-bottom:34px}.letters{grid-template-columns:repeat(3,1fr)}.how,.guide,.warning{grid-template-columns:1fr;gap:15px}.how{padding:42px 0}.how-steps{grid-template-columns:1fr}.guide{padding:46px 0}.toc{display:none}.stage{margin-bottom:42px;padding-bottom:43px}.stage-top{grid-template-columns:62px 1fr;gap:14px}.stage-letter{font-size:56px}.stage-grid{grid-template-columns:1fr}.origin{padding:27px;margin-bottom:44px}.footer{flex-direction:column}}@media(max-width:420px){.letters{grid-template-columns:repeat(2,1fr)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}



/* Typography pass: long-form reference scale */
.nav-right{font-size:14px}.kicker{font-size:11px}.lede{font-size:20px;line-height:1.55}.hero-note p{font-size:16px;line-height:1.55}.button{font-size:14px;min-height:47px}.letter span{font-size:11px}.how-step p{font-size:15px;line-height:1.5}.toc a{font-size:12px}.guide-intro p{font-size:17px;line-height:1.55}.stage-title p{font-size:18px;line-height:1.55}.stage-box ul,.stage-box p{font-size:15px;line-height:1.5}.example p{font-size:15px;line-height:1.55}.prompt summary{font-size:16px}.prompt-note{font-size:14px;line-height:1.5}.prompt pre{font-size:14px;line-height:1.58}.copy{font-size:11px;padding:8px 10px}.warning-box p,.origin p{font-size:15px;line-height:1.58}.footer{font-size:12px}@media(max-width:860px){.lede{font-size:19px}.stage-title p{font-size:17px}.prompt pre{font-size:13px}.prompt summary{font-size:15px}.brand,.nav-right a{display:inline-flex;align-items:center;min-height:44px}.copy{min-height:44px;padding:10px 12px}}
