:root { --paper:#f7f6f2; --ink:#182f36; --muted:#52656a; --accent:#146454; --line:#d8ded8; --white:#fff; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; background:var(--paper); color:var(--ink); font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif; }
a { color:inherit; text-underline-offset:5px; }
a:hover { color:var(--accent); }
a:focus-visible,summary:focus-visible { outline:3px solid var(--accent); outline-offset:5px; }
img { display:block; max-width:100%; object-fit:cover; }
h1,h2,h3,p,figure { margin:0; }
h1,h2 { font-family:inherit; font-weight:650; letter-spacing:-.025em; line-height:1.25; }
h1 { font-size:clamp(1.8rem,3vw,2.5rem); }
h1 em { color:var(--accent); font-weight:400; }
h2 { font-size:clamp(1.35rem,2vw,1.65rem); }
h3 { font-size:1.12rem; line-height:1.4; }
p { color:var(--muted); }
p + p { margin-top:18px; }
li + li { margin-top:10px; }
ul { padding-left:22px; }
main,.site-header,.site-footer { width:min(1160px,calc(100% - 96px)); margin-inline:auto; }
.site-header { display:flex; align-items:center; justify-content:space-between; gap:28px; padding:27px 0; border-bottom:1px solid var(--line); }
.brand { display:flex; align-items:center; gap:18px; text-decoration:none; }
.monogram { font-size:29px; font-weight:800; letter-spacing:-2px; line-height:1; }
.monogram span { color:var(--accent); }
.brand-name { font-size:13px; font-weight:600; }
nav { display:flex; gap:30px; }
nav a { padding:7px 0; text-decoration:none; font-size:14px; }
nav a[aria-current="page"] { color:var(--accent); box-shadow:0 2px var(--accent); font-weight:700; }
.skip { position:absolute; top:-100px; left:20px; padding:12px 20px; background:var(--white); z-index:5; }
.skip:focus { top:12px; }
.eyebrow { color:var(--accent); font-size:11px; font-weight:700; letter-spacing:.14em; text-transform:uppercase; }
.lead { font-size:16px; max-width:650px; line-height:1.8; }
.text-link { color:var(--accent); font-size:14px; font-weight:650; text-decoration:none; }
a.text-link:hover { text-decoration:underline; }
.button { background:var(--ink); color:white; padding:13px 23px; display:inline-flex; gap:32px; align-items:center; text-decoration:none; font-size:14px; border-radius:4px; }
.button:hover { color:white; background:var(--accent); }
.actions { display:flex; gap:25px; align-items:center; flex-wrap:wrap; margin-top:28px; }
.home-hero { display:grid; grid-template-columns:minmax(0,1fr) 300px; align-items:center; gap:64px; padding:44px 0 48px; }
.home-hero h1 { margin-top:14px; }
.hero-role { color:var(--accent); font-size:20px; font-weight:500; margin-top:10px; }
.home-hero .lead { margin-top:18px; max-width:600px; }
.portrait { position:relative; padding:10px; background:#eef2f5; border:1px solid var(--line); border-radius:8px; }
.portrait img { width:100%; height:270px; object-position:center 25%; border-radius:4px; }
.portrait figcaption { font-size:11px; color:var(--ink); display:flex; gap:10px; justify-content:space-between; padding:16px 4px 2px; }
.portrait-mark { white-space:nowrap; color:var(--accent); }
.section-heading { display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; }
.feature-card { display:grid; grid-template-columns:1.2fr 1fr; background:var(--white); border:1px solid var(--line); border-radius:8px; overflow:hidden; text-decoration:none; }
.feature-copy { padding:28px; }
.tag { display:inline-block; font-size:11px; color:var(--accent); background:#e7f0e9; padding:4px 11px; border-radius:30px; }
.feature-copy h2 { margin:17px 0; }
.feature-copy p { max-width:430px; font-size:15px; margin-bottom:22px; }
.feature-card:hover { border-color:var(--accent); color:var(--ink); }
.feature-card:hover .text-link { text-decoration:underline; }
.system-visual { background:#173a3a; color:#eef4dc; padding:32px; display:flex; flex-direction:column; align-items:center; justify-content:center; }
.system-label { color:#b8cebd; font-size:10px; letter-spacing:.17em; margin-bottom:22px; }
.system-visual > div:not(.loop-line) { display:flex; align-items:center; gap:20px; }
.system-visual div span { border:1px solid #5b7e73; width:108px; text-align:center; padding:10px; border-radius:4px; font-size:13px; }
.system-visual b,.loop-line { color:#b7d394; font-weight:400; }
.loop-line { align-self:center; padding-left:160px; }
.system-note { color:#b8cebd; font-size:11px; margin-top:24px; }
.explore-grid { display:grid; grid-template-columns:1fr 1fr; gap:42px; padding:36px 0 42px; }
.explore-card { text-decoration:none; }
.explore-card h2 { font-size:24px; margin:12px 0; }
.explore-card p { max-width:390px; font-size:15px; margin-bottom:15px; }
.explore-card:hover h2 { color:var(--accent); }
.site-footer { border-top:1px solid var(--line); padding:35px 0; }
.footer-top { display:flex; justify-content:space-between; align-items:center; gap:24px; margin-bottom:28px; }
.footer-top h2 { font-size:26px; margin-top:8px; }
.footer-links { display:flex; gap:26px; font-size:14px; }
.footer-links a { text-decoration:none; }
.fine-print,.privacy { font-size:11px; color:var(--muted); }
.privacy { margin-top:8px; max-width:700px; }
.privacy summary { cursor:pointer; width:fit-content; }
.privacy p { margin:10px 0; }
.page-heading { padding:42px 0 36px; max-width:850px; }
.page-heading h1 { margin:18px 0 24px; }
.career-layout { display:grid; grid-template-columns:220px minmax(0,1fr); gap:55px; padding-bottom:36px; }
.career-aside { align-self:start; border-top:1px solid var(--line); padding-top:24px; }
.focus-list { padding:0; list-style:none; margin:18px 0 28px; font-size:14px; color:var(--muted); }
.experience-grid { border-left:1px solid var(--line); padding-left:32px; }
.experience-grid .card { padding:0 0 32px; margin-bottom:28px; border-bottom:1px solid var(--line); position:relative; }
.experience-grid .card::before { content:""; position:absolute; width:9px; height:9px; border-radius:50%; background:var(--accent); left:-37px; top:6px; }
.experience-label { color:var(--accent); font-size:10px; letter-spacing:.07em; text-transform:uppercase; margin-bottom:10px; }
.experience-grid h3 { font-size:23px; }
.experience-period { font-size:13px; margin:8px 0 15px; }
.experience-grid li { color:var(--muted); font-size:15px; }
.skills-section { padding:30px 0 60px; }
.skills-section h2 { margin:12px 0 28px; }
.skills-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:30px; }
.skills-grid p { font-size:14px; margin-top:10px; }
.project-showcase { border:1px solid var(--line); background:var(--white); border-radius:8px; overflow:hidden; }
.project-banner { padding:22px 36px; background:#e3e8df; display:flex; justify-content:space-between; align-items:center; gap:18px; font-size:12px; }
.project-body { padding:40px; }
.project-body h2 { margin:14px 0 24px; }
.project-highlights { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:30px; margin:36px 0; border-top:1px solid var(--line); padding-top:28px; }
.project-highlights p { font-size:14px; margin-top:10px; }
.project-resources { padding:48px 0 64px; max-width:780px; }
.project-resources h2 { font-size:24px; margin-bottom:20px; }
.about-intro { display:grid; grid-template-columns:280px minmax(0,1fr); align-items:center; gap:60px; }
.about-intro img { width:280px; height:320px; border-radius:5px 80px 5px 5px; }
.about-intro h2 { margin-bottom:20px; }
.about-intro .text-link { display:inline-block; margin-top:20px; }
.interest-grid { display:grid; grid-template-columns:1fr 1fr; gap:50px; padding:55px 0; }
.interest-grid article { border-top:1px solid var(--line); padding-top:26px; }
.interest-grid h2 { margin:15px 0 20px; font-size:24px; }
.reading-note { background:#e8eee5; padding:32px; border-radius:6px; margin-bottom:55px; }
.reading-note h2 { margin:12px 0 18px; font-size:24px; }
.reading-note .text-link { display:inline-block; margin-top:15px; }
.article-heading { max-width:900px; }
.article-heading > .eyebrow { margin-top:28px; }
.article-meta { font-size:12px; margin-top:24px; }
.case-study { max-width:850px; margin:auto; padding-bottom:50px; }
.case-study section { padding:35px 0; border-bottom:1px solid var(--line); scroll-margin-top:24px; }
.case-study h2 { font-size:26px; margin-bottom:22px; }
.case-study h3 { margin:24px 0 14px; }
.case-study p { margin-bottom:18px; }
.contents { background:#e8eee5; padding:25px; border-radius:6px; }
.contents ul { padding:0; margin:0; list-style:none; display:flex; gap:12px 24px; flex-wrap:wrap; font-size:13px; }
.contents li { margin:0; }
.case-study .grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:25px; }
.case-study .card { border:1px solid var(--line); background:white; padding:24px; border-radius:6px; }
.case-study .card h3 { margin-top:0; }
.case-study figure { margin:25px 0; }
.flow { list-style:none; padding:0; }
.flow li { background:var(--ink); color:white; padding:18px 24px; border-radius:4px; }
.flow span { display:block; color:#cbdcda; font-size:14px; }
figcaption,.note { font-size:13px; color:var(--muted); }
.table-wrap { overflow-x:auto; }
table { border-collapse:collapse; width:100%; font-size:14px; }
caption { text-align:left; font-weight:600; margin-bottom:15px; }
th,td { padding:14px; border-bottom:1px solid var(--line); text-align:left; }
thead { background:#e8eee5; }
.callout { background:#e8eee5; border-left:3px solid var(--accent); padding:20px; }
code { overflow-wrap:anywhere; }
.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:900px) {
 main,.site-header,.site-footer { width:calc(100% - 48px); }
 .brand-name { display:none; }
 .home-hero { gap:30px; grid-template-columns:minmax(0,1fr) 250px; }
 .portrait img { height:250px; }
 .portrait figcaption { flex-direction:column; }
 .career-layout { grid-template-columns:170px minmax(0,1fr); gap:30px; }
}
@media (max-width:640px) {
 main,.site-header,.site-footer { width:calc(100% - 40px); }
 .site-header { padding:20px 0; gap:16px; }
 nav { gap:18px; }
 nav a { font-size:13px; }
 .home-hero { grid-template-columns:1fr; padding:38px 0; gap:32px; }
 h1 { font-size:clamp(1.75rem,6.5vw,2rem); }
 .lead { font-size:16px; }
 .portrait { max-width:320px; width:100%; }
 .portrait img { height:260px; }
 .portrait figcaption { flex-direction:row; }
 .feature-card,.explore-grid,.skills-grid,.project-highlights,.interest-grid,.case-study .grid { grid-template-columns:1fr; }
 .feature-copy,.project-body { padding:25px; }
 .system-visual { padding:28px 20px; }
 .explore-grid { gap:30px; padding:35px 0 45px; }
 .explore-card + .explore-card { border-top:1px solid var(--line); padding-top:26px; }
 .footer-top { align-items:flex-start; }
 .footer-links { flex-direction:column; gap:10px; }
 .page-heading { padding:38px 0; }
 .career-layout { grid-template-columns:1fr; gap:30px; }
 .career-aside { padding-top:20px; }
 .focus-list { display:flex; flex-wrap:wrap; gap:10px 20px; margin:12px 0; }
 .focus-list li { margin:0; }
 .experience-grid { padding-left:22px; }
 .experience-grid .card::before { left:-27px; }
 .experience-grid h3 { font-size:21px; }
 .project-banner { padding:20px; flex-wrap:wrap; }
 .project-highlights { gap:20px; }
 .about-intro { grid-template-columns:1fr; gap:30px; }
 .about-intro img { width:100%; max-width:320px; height:300px; }
 .interest-grid { gap:30px; padding:35px 0; }
 .reading-note { padding:24px; }
 .case-study h2 { font-size:28px; }
 th,td { padding:10px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }