@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400&family=DM+Sans:opsz,wght@9..40,400;9..40,500&family=Instrument+Serif:ital@0;1&family=Newsreader:opsz,wght@6..72,400;6..72,500&display=swap");

:root { --bg: #faf9f5; --ink: #172234; --muted: #637080; --line: #dce2e8; --accent: #3367d6; --surface: #eef3fb; --serif: "Instrument Serif", Georgia, serif; --sans: "DM Sans", Arial, sans-serif; --mono: "DM Mono", monospace; }
* { box-sizing: border-box; }
html { background: var(--bg); color: var(--ink); scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.65 var(--sans); }
a { color: inherit; text-decoration-color: color-mix(in srgb, var(--accent) 65%, transparent); text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { color: var(--accent); }
#site { width: min(1100px, calc(100% - 48px)); margin: 0 auto; }
.site-header { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.name { font: 400 29px/1 var(--serif); text-decoration: none; letter-spacing: -.025em; }
nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
nav a { text-decoration: none; color: var(--muted); }
nav a.active { color: var(--ink); }
nav a.active::after { content: ""; display: block; height: 1px; margin-top: 3px; background: var(--accent); }
.home-hero { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 60px; max-width: 880px; margin: 100px auto 0; align-items: start; }
.portrait-wrap { position: relative; }
.portrait { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center; display: block; filter: saturate(.92); }
.intro-copy { max-width: 590px; }
.kicker, .section-label, .post-meta, .pub-year, .cv-date { color: var(--muted); font: 400 11px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 700px; margin-bottom: 24px; font: 400 clamp(48px, 7vw, 82px)/.92 var(--serif); letter-spacing: -.045em; }
.intro-copy p { max-width: 630px; font-size: 18px; }
.inline-links { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 28px; color: var(--muted); font-size: 14px; }
.research-section, .updates-section { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 60px; max-width: 880px; margin: 110px auto 0; padding-top: 25px; border-top: 1px solid var(--line); }
.research-copy > p { max-width: 650px; margin-bottom: 42px; font: 400 25px/1.38 var(--serif); }
.interest-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.interest-list article { border-top: 2px solid var(--accent); padding-top: 14px; }
.interest-list h2 { margin-bottom: 7px; font: 400 25px/1.05 var(--serif); }
.interest-list p { color: var(--muted); font-size: 14px; line-height: 1.55; }
details { width: 100%; }
summary { display: flex; justify-content: space-between; cursor: pointer; font-size: 17px; }
.updates-scroll { max-height: 180px; overflow: auto; margin-top: 20px; padding-right: 14px; scrollbar-color: var(--accent) transparent; }
.updates-scroll p { display: grid; grid-template-columns: 105px 1fr; gap: 16px; margin: 0; padding: 12px 0; border-top: 1px solid var(--line); font-size: 14px; }
.updates-scroll time { color: var(--muted); font: 400 11px/1.4 var(--mono); text-transform: uppercase; }
.page-head { max-width: 820px; margin: 95px auto 70px; }
.page-head h1 { margin-bottom: 20px; }
.page-lede { max-width: 650px; color: var(--muted); font-size: 18px; }
.cv-section { max-width: 820px; margin: 0 auto 62px; }
.cv-section > h2 { padding-bottom: 10px; border-bottom: 1px solid var(--line); font: 400 33px/1 var(--serif); }
.cv-entry { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.cv-entry h3 { margin-bottom: 2px; font-size: 16px; font-weight: 500; }
.cv-entry p { margin-bottom: 4px; }
.muted { color: var(--muted); font-size: 14px; }
.plain-list { margin: 0; padding-left: 20px; }
.plain-list li { margin-bottom: 9px; }
.pub-list { max-width: 920px; margin: 0 auto 80px; }
.pub { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 25px; padding: 27px 0; border-top: 1px solid var(--line); }
.pub h2 { margin-bottom: 5px; font: 400 31px/1.08 var(--serif); letter-spacing: -.015em; }
.pub p { margin-bottom: 5px; color: var(--muted); font-size: 14px; }
.pub .venue { color: var(--ink); font-style: italic; }
.paper-links { display: flex; gap: 13px; margin-top: 10px; font-size: 14px; }
.blog-post { max-width: 740px; margin: 0 auto; padding: 32px 0; border-top: 1px solid var(--line); }
.blog-post h2 { margin-bottom: 10px; font: 400 40px/1.04 var(--serif); }
.blog-post p:not(.post-meta) { max-width: 590px; color: var(--muted); }
.featured-post { background: var(--surface); margin-bottom: 35px; padding: 38px; border: 0; }
.read-more { font-size: 14px; }
footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 110px; padding: 25px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

body[data-theme="ledger"] { --bg: #fcfbf6; --ink: #10233d; --muted: #647386; --line: #d9e0e8; --accent: #2e5cc6; --surface: #edf3ff; --serif: "Newsreader", Georgia, serif; background-image: linear-gradient(rgba(46,92,198,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(46,92,198,.035) 1px, transparent 1px); background-size: 26px 26px; }
body[data-theme="ledger"] .portrait-wrap::after { content: ""; position: absolute; inset: 12px -12px -12px 12px; border: 1px solid var(--accent); z-index: -1; }
body[data-theme="ledger"] .site-header { background: color-mix(in srgb, var(--bg) 86%, transparent); }
body[data-theme="ledger"] h1 { font-style: italic; }

body[data-theme="signal"] { --bg: #f4f8fb; --ink: #132b42; --muted: #5f7485; --line: #d6e3ea; --accent: #0d7398; --surface: #e4f2f5; --serif: "Instrument Serif", Georgia, serif; }
body[data-theme="signal"] .home-hero { grid-template-columns: minmax(0, 1fr) 185px; }
body[data-theme="signal"] .portrait-wrap { order: 2; padding-top: 22px; }
body[data-theme="signal"] .portrait { border-radius: 50% 50% 12px 12px; }
body[data-theme="signal"] .research-section { position: relative; }
body[data-theme="signal"] .research-section::before { content: ""; position: absolute; left: 220px; right: 0; top: -1px; height: 1px; background: repeating-linear-gradient(90deg, var(--accent) 0 3px, transparent 3px 9px); }
body[data-theme="signal"] .interest-list article { border-top-style: dashed; }
body[data-theme="signal"] .featured-post { border-radius: 18px 0 18px 0; }

body[data-theme="field"] { --bg: #fbf9f2; --ink: #28352b; --muted: #6b776b; --line: #dfe2d4; --accent: #7a5c38; --surface: #f0efe2; --serif: "Newsreader", Georgia, serif; }
body[data-theme="field"] .site-header { border-bottom: 0; padding-top: 25px; }
body[data-theme="field"] .home-hero { grid-template-columns: 170px minmax(0, 1fr); gap: 70px; }
body[data-theme="field"] .portrait { border-radius: 45% 45% 3px 3px; }
body[data-theme="field"] .research-section, body[data-theme="field"] .updates-section { border-top-color: var(--accent); }
body[data-theme="field"] .interest-list { grid-template-columns: 1fr; gap: 10px; }
body[data-theme="field"] .interest-list article { display: grid; grid-template-columns: 210px 1fr; gap: 25px; border-top: 0; border-bottom: 1px solid var(--line); padding: 10px 0; }
body[data-theme="field"] .interest-list h2 { font-style: italic; }

@media (max-width: 720px) { #site { width: min(100% - 32px, 1100px); } .site-header { min-height: auto; padding: 24px 0; align-items: flex-start; flex-direction: column; } .home-hero, body[data-theme="signal"] .home-hero, body[data-theme="field"] .home-hero, .research-section, .updates-section { grid-template-columns: 1fr; gap: 28px; margin-top: 65px; } .home-hero { margin-top: 58px; } .portrait-wrap { width: 126px; } body[data-theme="signal"] .portrait-wrap { order: initial; } .research-section::before { display: none; } .interest-list { grid-template-columns: 1fr; } body[data-theme="field"] .interest-list article { grid-template-columns: 1fr; gap: 6px; } h1 { font-size: clamp(50px, 16vw, 72px); } .page-head { margin: 60px auto 45px; } .cv-entry, .pub { grid-template-columns: 1fr; gap: 6px; } .featured-post { padding: 26px; } footer { margin-top: 70px; flex-direction: column; } }