:root{color-scheme:dark;--bg:#101317;--panel:#1c222a;--ink:#f1f4f6;--muted:#b8c3cc;--purple:#d0baff;--teal:#77e2cc;--line:#35404a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-wrap:break-word}a{color:inherit;text-decoration:none}a:hover{color:var(--teal)}a:focus-visible,summary:focus-visible{outline:2px solid var(--teal);outline-offset:5px}h1,h2,h3{color:var(--ink);font-weight:550;line-height:1.14;letter-spacing:-.035em;text-transform:none;margin:0}p{margin:0 0 1.2em}img{max-width:100%;height:auto}button,input,textarea{font:inherit}input,textarea{max-width:100%}.rd-header,.rd-home,.rd-footer{width:min(1280px,calc(100% - 80px));margin:auto}.rd-header{display:flex;align-items:center;justify-content:space-between;padding:30px 0;border-bottom:1px solid var(--line);gap:24px}.rd-logo{font-size:28px;font-weight:750;letter-spacing:-1.5px;display:inline-flex;gap:10px;align-items:center;color:var(--ink)}.rd-logo>span:first-child:not(.rd-dot){font:22px monospace;border:1px solid var(--line);padding:0 7px;color:var(--teal)}.rd-dot{color:var(--teal)}.rd-desktop-nav{display:flex;gap:34px;font-size:14px}.rd-mobile-nav{display:none}.rd-hero{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:60px;padding:86px 0 90px}.rd-kicker{font:11px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.13em;color:var(--teal);margin-bottom:24px}.rd-hero h1{font-size:clamp(38px,4.2vw,60px)}.rd-hero h1 em{font-style:normal;color:var(--purple)}.rd-lead{font-size:18px;line-height:1.65;color:var(--muted);max-width:570px;margin:25px 0 29px}.rd-button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;background:var(--teal);color:#0b211c;padding:13px 20px;border-radius:3px;font-size:15px;font-weight:650}.rd-button:hover{background:var(--purple);color:#181024}.rd-hero-note{font:11px/1.6 monospace;color:var(--muted);margin:22px 0 0}.rd-lab{min-width:0;border:1px solid #46515e;border-radius:8px;background:linear-gradient(140deg,#202532,#151b21);box-shadow:20px 24px 0 #141b20;transform:rotate(-2deg);overflow:hidden}.rd-lab-bar{border-bottom:1px solid var(--line);padding:14px 18px;display:flex;align-items:center;gap:6px}.rd-lab-bar i{width:7px;height:7px;border-radius:50%;background:#747084}.rd-lab-bar i:first-child{background:var(--purple)}.rd-lab-bar span{margin-left:auto;font:11px monospace;color:var(--muted)}.rd-type-study{height:210px;position:relative;margin:22px 26px}.rd-type-study span{position:absolute;font-size:clamp(60px,7vw,102px);font-weight:700;letter-spacing:-.08em;line-height:1;top:20px;color:var(--purple)}.rd-type-study span:nth-child(1){left:2%;opacity:.13}.rd-type-study span:nth-child(2){left:12%;top:52px;opacity:.35}.rd-type-study span:nth-child(3){left:22%;top:84px}.rd-lab-code{font:13px/1.7 monospace;color:var(--muted);margin:0 28px 30px;padding-left:17px;border-left:2px solid var(--teal)}.rd-lab-code span{color:var(--teal)}.rd-lab-foot{border-top:1px solid var(--line);padding:14px 18px;display:flex;justify-content:space-between;gap:10px;font:9px monospace;color:var(--muted)}.rd-section{padding:66px 0;border-top:1px solid var(--line)}.rd-section h2,.rd-cta h2{font-size:clamp(30px,3vw,42px)}.rd-section-head{max-width:690px;margin-bottom:30px}.rd-section-head>p:last-child:not(.rd-kicker){margin-top:20px;color:var(--muted)}.rd-intro{max-width:780px;color:var(--muted)}.rd-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin-top:42px}.rd-index{font:13px monospace;color:var(--purple)}.rd-principles h3{font-size:24px;margin:18px 0}.rd-principles p{font-size:16px;color:var(--muted)}.rd-resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.rd-resource{background:var(--panel);border:1px solid var(--line);padding:29px;display:flex;flex-direction:column;transition:border-color .15s}.rd-resource:hover{border-color:var(--teal);color:var(--ink)}.rd-resource-meta{display:flex;justify-content:space-between;gap:12px;font:10px/1.5 monospace;color:var(--teal);margin-bottom:35px}.rd-resource-meta time{color:var(--muted)}.rd-resource h3{font-size:30px;margin-bottom:20px}.rd-resource h3 span{color:var(--purple)}.rd-resource p{color:var(--muted);font-size:16px}.rd-resource-bottom{font-size:13px;border-top:1px solid var(--line);padding-top:18px;margin-top:auto;color:var(--purple)}.rd-text-link{display:inline-block;margin-top:23px;color:var(--teal);font-size:14px}.rd-workflow{display:grid;grid-template-columns:1fr 1fr;gap:90px}.rd-workflow>div>p:last-child{color:var(--muted);margin-top:22px}.rd-workflow ol{padding-left:24px;margin:0}.rd-workflow li{padding-left:12px;margin-bottom:24px;color:var(--teal)}.rd-workflow strong{color:var(--ink);font-size:18px}.rd-workflow li p{color:var(--muted);font-size:16px;margin-top:8px}.rd-workflow li a{color:var(--teal);text-decoration:underline}.rd-faq{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px}.rd-faq details{border-bottom:1px solid var(--line)}.rd-faq summary{cursor:pointer;display:flex;gap:20px;list-style:none;align-items:baseline;padding:21px 0;font-size:17px;line-height:1.5}.rd-faq summary::-webkit-details-marker{display:none}.rd-faq summary>span{color:var(--purple);font:11px monospace}.rd-faq summary b{margin-left:auto;font-weight:400;color:var(--teal)}.rd-faq details[open] summary b{transform:rotate(45deg)}.rd-faq details p{margin:0 0 25px 36px;color:var(--muted);font-size:16px}.rd-cta{background:var(--purple);color:#20192e;padding:48px;margin:30px 0 75px;position:relative}.rd-cta h2,.rd-cta .rd-kicker{color:#20192e}.rd-cta p:not(.rd-kicker){max-width:650px;margin:20px 0}.rd-cta .rd-button{background:#20192e;color:white}.rd-footer{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:45px 0}.rd-footer p{color:var(--muted);font-size:13px;margin-top:10px}.rd-footer nav{display:flex;gap:12px 25px;flex-wrap:wrap;font-size:13px;align-content:start;justify-content:flex-end}.rd-footer small{font:11px monospace;color:var(--muted)}
/* Shared internal surfaces; main owns all outer gutters. */
main.container{width:min(1280px,calc(100% - 80px));max-width:1280px;padding:0;margin:50px auto 70px;color:var(--ink)}main.container:not(:has(.rd-reading)):not(:has(.rd-journal)){max-width:860px;font-size:17px;line-height:1.8}main.container:not(:has(.rd-reading)):not(:has(.rd-journal)) h1{font-size:42px;margin-bottom:28px}main.container:not(:has(.rd-reading)):not(:has(.rd-journal)) h2{font-size:28px;margin:35px 0 18px}main.container a{color:var(--teal)}.rd-journal-head{border-bottom:1px solid var(--line);padding:15px 0 32px;margin-bottom:35px}.rd-journal-head h1{font-size:48px}.rd-journal-order{font-size:13px;color:var(--muted);margin-top:18px}.rd-story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}.rd-story-card{background:var(--panel);color:var(--ink);border:1px solid var(--line);min-width:0;overflow:hidden}.rd-story-media{display:block;aspect-ratio:16/9;overflow:hidden}.rd-story-media img{width:100%;height:100%;object-fit:cover}.rd-story-copy{padding:24px}.rd-story-copy time,.rd-longform>header time{font:12px/1.6 monospace;color:var(--muted);display:block;margin-bottom:15px}.rd-story-copy h2{font-size:24px;margin-bottom:16px}.rd-story-copy h2 a{color:var(--ink)}.rd-story-copy p{font-size:16px;color:var(--muted)}.rd-read-story{font-size:13px}.rd-pagination{display:flex;justify-content:space-between;flex-wrap:wrap;gap:15px;margin-top:35px}.rd-page-numbers{display:flex;flex-wrap:wrap;gap:14px}.container.rd-reading{width:100%;max-width:none;padding:0;margin:0!important}.rd-reading>.row{display:grid;grid-template-columns:minmax(0,800px) minmax(240px,1fr);gap:55px;margin:0}.rd-reading>.row>.col-lg-8,.rd-reading>.row>.col-lg-4{width:100%;max-width:none;min-width:0;padding:0}.rd-longform{font-size:17px;line-height:1.85;min-width:0}.rd-longform>header{padding-bottom:30px;border-bottom:1px solid var(--line);margin-bottom:32px}.rd-longform h1{font-size:clamp(32px,3.4vw,48px);margin:12px 0 24px;overflow-wrap:anywhere}.rd-longform section.mb-5 h2{font-size:29px;margin:36px 0 18px}.rd-longform section.mb-5 h3{font-size:23px;margin:30px 0 15px}.rd-longform p,.rd-longform li{color:#d5dde3}.rd-longform figure{margin:25px 0}.rd-longform figure img{width:100%;max-height:480px;object-fit:cover;border-radius:4px}.rd-longform pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--panel);padding:18px}.rd-longform table{display:block;max-width:100%;overflow-x:auto}.rd-reading .col-lg-4{border-left:1px solid var(--line);padding-left:25px!important}.rd-reading .col-lg-4 h2,.rd-reading .col-lg-4 h3,.rd-reading .col-lg-4 h4{font-size:21px;margin:0 0 18px}.rd-reading .card,.rd-reading .card-body,.rd-reading .col-lg-4 article{background:var(--panel)!important;color:var(--ink)!important;border-color:var(--line)!important;min-width:0}.rd-reading .card{margin-bottom:22px}.rd-reading .card-body{padding:20px}.rd-reading .card p,.rd-reading .card time,.rd-reading .text-body-secondary,.rd-reading .text-muted{color:var(--muted)!important}.rd-reading .card a,.rd-reading .col-lg-4 a{color:var(--teal)!important}.rd-reading .col-lg-4 img{max-height:170px;object-fit:cover}.rd-longform .row{max-width:100%;margin-left:0;margin-right:0}.rd-longform .row>*{min-width:0}.rd-longform input,.rd-longform textarea{background:var(--panel);color:var(--ink);border:1px solid var(--line);padding:10px}a,summary{-webkit-tap-highlight-color:transparent}
@media(max-width:1000px){.rd-header,.rd-home,.rd-footer,main.container{width:calc(100% - 48px)}.rd-hero{gap:32px}.rd-lab{transform:none}.rd-type-study{height:160px}.rd-type-study span{font-size:72px}.rd-type-study span:nth-child(3){top:64px}.rd-workflow{gap:40px}.rd-faq{gap:30px;grid-template-columns:1fr 1.4fr}.rd-reading>.row{grid-template-columns:minmax(0,1fr);gap:40px}.rd-reading .col-lg-4{border-left:0;border-top:1px solid var(--line);padding:25px 0 0!important}.rd-story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.rd-header,.rd-home,.rd-footer,main.container{width:calc(100% - 36px)}.rd-header{padding:20px 0}.rd-logo{font-size:25px}.rd-desktop-nav{display:none}.rd-mobile-nav{display:block;font-size:14px;position:relative}.rd-mobile-nav summary{cursor:pointer;padding:7px;border:1px solid var(--line)}.rd-mobile-menu{position:absolute;right:0;top:46px;width:210px;background:var(--panel);padding:12px;z-index:10;box-shadow:0 12px 20px #0008;border:1px solid var(--line)}.rd-mobile-menu a{display:block;padding:11px}.rd-hero{grid-template-columns:1fr;gap:35px;padding:42px 0 48px}.rd-hero h1{font-size:38px}.rd-kicker{font-size:10px;margin-bottom:19px}.rd-lead{font-size:17px;margin:20px 0 24px}.rd-hero-note{font-size:10px}.rd-lab{max-width:420px;width:100%;box-shadow:8px 10px 0 #141b20}.rd-type-study{height:150px}.rd-type-study span{font-size:78px}.rd-section{padding:42px 0}.rd-principles,.rd-resource-grid,.rd-workflow,.rd-faq,.rd-footer{grid-template-columns:1fr;gap:24px}.rd-principles{margin-top:30px}.rd-principles article{border-top:1px solid var(--line);padding-top:22px}.rd-principles h3{font-size:24px;margin:12px 0}.rd-section h2,.rd-cta h2{font-size:31px}.rd-resource{padding:23px}.rd-resource-meta{font-size:9px}.rd-resource h3{font-size:28px}.rd-faq summary{gap:12px;font-size:16px}.rd-faq details p{margin-left:24px}.rd-cta{padding:28px 24px;margin:16px 0 45px}.rd-footer{padding:30px 0}.rd-footer nav{justify-content:flex-start}.rd-story-grid{grid-template-columns:1fr}.rd-journal-head h1{font-size:36px}.rd-story-copy h2{font-size:25px}.rd-longform h1{font-size:32px}.rd-longform{font-size:17px}.rd-longform section.mb-5 h2{font-size:27px}main.container{margin:32px auto 45px}main.container:not(:has(.rd-reading)):not(:has(.rd-journal)) h1{font-size:34px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}