:root{--paper:#f6f5ef;--ink:#27352b;--muted:#687065;--line:#dcdfd4;--lime:#def18b;--green:#455a40}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid #678134;outline-offset:6px}a:hover{text-decoration:underline;text-underline-offset:5px}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.site-header{height:112px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;font-size:24px;font-weight:750;letter-spacing:-1px}.brand-mark{background:var(--ink);color:var(--lime);border-radius:10px;font-size:30px;margin-right:10px;width:38px;height:38px;text-align:center;line-height:38px}.brand-dot{color:#74904b}nav{display:flex;gap:36px;align-items:center;font-size:14px}.nav-cta{padding:12px 18px;border:1px solid var(--line);border-radius:30px}.nav-cta span{margin-left:22px}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.07fr 1fr;gap:60px;padding-block:76px 86px;align-items:center}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;margin:0 0 26px;line-height:1.6}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#6c8746;margin-right:8px}h1{font-size:clamp(58px,6.6vw,90px);font-weight:500;letter-spacing:-5px;line-height:1.02;margin:0 0 26px}h1 span{font-family:Georgia,serif;font-style:italic;font-weight:400;color:#6b7b53;letter-spacing:-4px}.intro{font-size:16px;line-height:1.8;color:var(--muted);max-width:400px;margin:0 0 28px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;background:var(--ink);color:var(--paper);font-size:13px;padding:18px 22px;border-radius:6px;transition:background .2s,transform .2s}.button:hover{background:var(--green);transform:translateY(-2px);text-decoration:none}.button span{font-size:20px}.hero-note{font-size:11px;color:var(--muted);margin-top:20px}.hero-art{height:520px;background:#e8ebde;position:relative;overflow:hidden;border-radius:150px 150px 10px 10px}.art-grid{position:absolute;inset:0;background-image:linear-gradient(#d1d8c666 1px,transparent 1px),linear-gradient(90deg,#d1d8c666 1px,transparent 1px);background-size:44px 44px}.sun{width:176px;height:176px;border-radius:50%;background:var(--lime);position:absolute;top:54px;right:39px;box-shadow:0 15px 50px #7a8d3c15}.arch{position:absolute;width:230px;height:350px;border-radius:140px 140px 0 0;bottom:0}.arch-back{left:36px;background:#81916c;transform:rotate(-12deg);bottom:-65px;box-shadow:20px 14px 30px #23302118}.arch-front{right:26px;bottom:-60px;background:linear-gradient(100deg,#496044,#293f2e);transform:rotate(15deg);height:380px;width:245px}.arch-front:after{content:'';position:absolute;inset:62px 61px 0;border-radius:80px 80px 0 0;background:#e8ebde;box-shadow:inset 15px 4px 20px #293f2e30}.art-star{position:absolute;top:195px;left:40px;font-size:94px;color:#273b2a}.art-caption{position:absolute;z-index:2;bottom:22px;left:24px;right:24px;display:flex;justify-content:space-between;color:#fff;font-size:9px;letter-spacing:2px}.possibilities{padding-block:45px 70px;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}.section-heading .eyebrow{margin-bottom:14px}h2{font-size:32px;letter-spacing:-1.3px;line-height:1.2;font-weight:500;margin:0}.section-heading>p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:9px;padding:28px;position:relative}.card-number{font-size:9px;letter-spacing:1.6px;color:var(--muted)}.card-icon{display:block;font-size:39px;margin:32px 0 25px;line-height:1}h3{font-size:21px;letter-spacing:-.5px;font-weight:500;margin:0 0 12px}.card p,.about p:not(.eyebrow){font-size:14px;color:var(--muted);line-height:1.8;margin:0}.about{border-top:1px solid var(--line);padding-block:55px 70px;display:grid;grid-template-columns:1fr 2fr;gap:30px}.about h2{margin-bottom:20px}.about p:not(.eyebrow){max-width:510px}.start{background:var(--ink);color:var(--paper);border-radius:10px;padding:44px;display:flex;align-items:center;justify-content:space-between;gap:24px}.start .eyebrow{color:var(--lime);margin-bottom:12px}.start p:not(.eyebrow){font-size:13px;color:#c6cfc2;line-height:1.6;margin-bottom:0}.light{background:var(--lime);color:var(--ink);white-space:nowrap}.light:hover{background:#eafbaf}footer{padding-block:42px;display:flex;align-items:center;justify-content:space-between;gap:20px}footer .brand{font-size:19px}footer p{font-size:11px;color:var(--muted)}.footer-note{font-size:9px;letter-spacing:1.5px}.skip-link{position:fixed;top:-100px;left:20px;background:var(--ink);color:white;padding:14px;z-index:10}.skip-link:focus{top:10px}
@media(min-width:1500px){.hero{padding-block:90px}}
@media(max-width:900px){.wrap{width:calc(100% - 48px)}.hero{gap:30px}h1{font-size:65px}.hero-art{height:470px}.arch-back{left:5px}.arch-front{right:-50px}.sun{right:15px;width:145px;height:145px}.section-heading{gap:24px}.section-heading>p{display:none}.card{padding:23px}.start{padding:32px}.start h2{font-size:28px}.footer-note{display:none}}
@media(max-width:600px){.wrap{width:calc(100% - 40px)}.site-header{height:auto;min-height:86px;flex-wrap:wrap}.brand{font-size:22px}.menu-toggle:not([hidden]){display:flex;gap:18px;align-items:center;background:transparent;border:1px solid var(--line);border-radius:6px;padding:10px 13px;font-size:13px}nav{width:100%;padding:16px 0 22px;justify-content:space-between;gap:12px}html.js nav:not(.is-open){display:none}.hero{grid-template-columns:1fr;padding-block:42px 45px;gap:35px}h1{font-size:66px;letter-spacing:-4px}.hero .eyebrow{font-size:9px}.intro{font-size:15px}.hero-art{height:360px;border-radius:110px 110px 8px 8px}.sun{top:30px;right:36px;width:140px;height:140px}.arch-back{left:30px;bottom:-110px}.arch-front{right:25px;bottom:-125px}.art-star{top:118px;left:38px;font-size:75px}.hero-note{font-size:10px}.possibilities{padding-block:35px 42px}h2{font-size:29px}.cards{grid-template-columns:1fr;gap:12px}.card{padding:25px}.card-icon{margin:24px 0 20px}.about{grid-template-columns:1fr;gap:4px;padding-block:35px 42px}.about .eyebrow{margin-bottom:20px}.start{padding:28px;display:block}.start .button{margin-top:25px;white-space:normal}footer{align-items:flex-start;flex-direction:column;gap:6px;padding-block:30px}footer p{margin:8px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
/* Personal profile and technical notebook */
.brand-mark{font-size:22px;font-weight:500;letter-spacing:-2px;padding-right:2px}.site-header nav{gap:25px;font-size:13px}.personal-hero{grid-template-columns:1.45fr 1fr;gap:65px}.personal-hero h1{font-size:clamp(46px,5vw,68px);letter-spacing:-3px;line-height:1.08}.personal-hero h1 span{letter-spacing:-3px}.personal-hero .intro{max-width:540px}.personal-hero .eyebrow{font-size:9px;letter-spacing:1.5px}.role{font-size:17px;font-weight:600;margin:24px 0 15px}.actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.text-link{font-size:13px;font-weight:600}.profile-card{background:var(--ink);color:var(--paper);padding:32px 34px;border-radius:12px;position:relative;overflow:hidden}.profile-top{display:flex;align-items:center;justify-content:space-between;color:var(--lime)}.profile-top .eyebrow{margin:0}.profile-symbol{font-size:30px}.profile-stat{border-bottom:1px solid #ffffff25;padding:22px 0}.profile-stat strong{font-size:52px;letter-spacing:-2px;font-weight:400}.profile-stat strong span{font-size:24px;letter-spacing:-1px}.profile-stat p{font-size:12px;color:#d0d7cb;line-height:1.7;margin:5px 0 0}.profile-bottom{font-size:8px;letter-spacing:1.3px;margin-top:25px;color:var(--lime);line-height:1.7}.metric{font-family:Georgia,serif;font-size:34px;letter-spacing:-1px;color:#536844;margin:30px 0 17px}.card h4{font-size:15px;font-weight:600;margin:0 0 12px}.recovery{display:grid;grid-template-columns:1fr 2fr;gap:35px;margin-top:30px;padding:27px 30px;background:#e9ecdf;border-radius:8px}.recovery .eyebrow{margin:0;padding-top:3px}.recovery p{font-size:14px;line-height:1.8;margin:0}.experience{padding-block:52px 65px;border-top:1px solid var(--line)}.career-layout{display:grid;grid-template-columns:1fr 1.8fr;gap:90px;margin-top:45px}.section-intro{font-size:15px;line-height:1.85;color:var(--muted);max-width:660px}.skills{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}.skills span{border:1px solid var(--line);padding:8px 10px;border-radius:5px;font-size:11px}.job{border-left:1px solid #cbd1c1;padding:0 0 34px 27px;position:relative}.job:before{content:'';width:7px;height:7px;border-radius:50%;background:#728755;position:absolute;left:-4px;top:5px}.job:last-child{padding-bottom:0}.job-date{font-size:10px;letter-spacing:1px;margin:0 0 12px;color:var(--muted);display:flex;align-items:center;flex-wrap:wrap;gap:12px}.current{font-size:8px;background:var(--lime);color:var(--ink);padding:4px 6px;border-radius:3px}.job h3{font-size:20px;line-height:1.4;margin-bottom:6px}.job .employer{font-size:13px;font-weight:600;margin:0 0 12px;color:#52614b}.job p:last-child{font-size:14px;line-height:1.8;color:var(--muted);margin:0}.credentials{display:grid;grid-template-columns:1fr 1.8fr;gap:90px;border-top:1px solid var(--line);padding-block:45px}.credentials h2{font-size:29px}.credentials p:not(.eyebrow){font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 19px}.credentials strong{color:var(--ink);font-weight:600}.notes-preview{padding-block:45px 65px;border-top:1px solid var(--line)}.notes-preview>.section-intro{margin-bottom:30px}.note-card{display:block;transition:border-color .2s,background .2s}.note-card:hover{background:#eef0e5;border-color:#9da98c;text-decoration:none}.note-card h3{margin:30px 0 14px;line-height:1.35}.read-note{display:block;margin-top:25px;font-size:12px;font-weight:600}.contact-links{display:flex;flex-wrap:wrap;gap:24px;margin-top:24px;font-size:14px;color:var(--lime)}footer>a:last-child{font-size:12px}.notes-intro{padding-block:55px 45px}.notes-intro>.eyebrow{margin:40px 0 24px}.notes-intro h1{font-size:64px;letter-spacing:-3px}.notes-intro h1 span{letter-spacing:-3px}.notes-intro .intro{max-width:630px}.example-notice{font-size:12px;color:var(--muted);max-width:720px;line-height:1.8;border-left:2px solid #9da98c;padding-left:15px}.notebook{display:grid;grid-template-columns:240px minmax(0,1fr);gap:60px;padding-bottom:50px}.note-index{align-self:start;position:sticky;top:25px;border-top:1px solid var(--line);padding-top:25px}.note-index a{display:block;font-size:13px;padding:12px 0}.note-article{border-top:1px solid var(--line);padding:28px 0 48px;scroll-margin-top:24px}.note-article .eyebrow{margin-bottom:18px}.note-article>p{font-size:14px;line-height:1.85;color:var(--muted)}.note-article>p code{color:var(--ink);background:#e9ecdf;padding:2px 4px;font-size:12px}.requirements{font-size:12px!important;background:#eeeee5;padding:12px 15px;border-radius:4px}.code-box{background:#202c25;border-radius:8px;color:#edf2e7;margin:24px 0;overflow:hidden}.code-bar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid #ffffff20;font-size:11px;color:#d1dbc8}.copy-button{background:#def18b;color:#27352b;border:0;border-radius:4px;padding:7px 12px;cursor:pointer;font-size:11px}.code-box pre{margin:0;padding:22px;overflow-x:auto;font:12px/1.9 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:4}.note-links{display:flex;gap:25px;flex-wrap:wrap;font-size:12px;font-weight:600}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1000px){.personal-hero{gap:30px}.personal-hero h1{font-size:51px}.profile-card{padding:26px}.site-header nav{gap:17px}.career-layout,.credentials{gap:45px}.notebook{grid-template-columns:190px minmax(0,1fr);gap:35px}.start h2{font-size:26px}.start{flex-wrap:wrap}}
@media(max-width:760px){.site-header{flex-wrap:wrap;height:auto;min-height:86px;padding-block:20px;gap:15px}.site-header nav{flex-wrap:wrap;gap:18px}.personal-hero{grid-template-columns:1fr;padding-block:42px}.personal-hero h1{font-size:58px}.profile-card{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.profile-top,.profile-bottom{grid-column:1/-1}.profile-stat{padding:10px 0 20px}.profile-stat strong{font-size:35px}.profile-stat strong span{font-size:16px}.profile-bottom{margin-top:0}.profile-stat p{font-size:11px}.cards{grid-template-columns:1fr}.recovery{grid-template-columns:1fr;gap:12px}.career-layout,.credentials{grid-template-columns:1fr;gap:25px}.career-layout{margin-top:20px}.timeline{margin-top:15px}.notebook{grid-template-columns:1fr;gap:25px}.note-index{position:static}.note-index a{display:inline-block;margin-right:18px}.notes-intro h1{font-size:54px}.section-heading{align-items:start;flex-direction:column;gap:18px}}
@media(max-width:600px){.site-header{padding-block:0;gap:0}.site-header nav{gap:14px;justify-content:flex-start}.site-header nav .nav-cta{padding:9px 12px}.personal-hero h1{font-size:clamp(42px,10.5vw,58px);letter-spacing:-2.5px}.personal-hero h1 span{letter-spacing:-2.5px}.personal-hero .eyebrow{font-size:8px;letter-spacing:1px}.role{font-size:15px}.actions{gap:20px}.profile-card{padding:24px;grid-template-columns:1fr;gap:0}.profile-stat{display:flex;align-items:center;gap:22px;padding:20px 0}.profile-stat strong{min-width:115px;font-size:36px}.profile-stat strong span{font-size:16px}.profile-stat p{font-size:12px}.profile-bottom{margin-top:20px}.metric{margin-top:25px}.recovery{padding:24px}.contact-links{font-size:13px;gap:18px}.notes-intro h1{font-size:45px}.notes-intro h1 span{letter-spacing:-2px}.notes-intro{padding-top:35px}.note-article h2{font-size:27px}.code-box pre{font-size:11px;padding:16px}.start br{display:none}}
/* Keep long code samples inside their own horizontal scroller. */
.articles,.note-article{min-width:0}.notebook{grid-template-columns:240px minmax(0,1fr)}
@media(max-width:1000px){.notebook{grid-template-columns:190px minmax(0,1fr)}}
@media(max-width:760px){.notebook{grid-template-columns:minmax(0,1fr)}}