@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&family=Fraunces:opsz,wght@9..144,500;9..144,600&display=swap');

:root {
    --canvas: #f5f3ee;
    --surface: #fcfbf8;
    --surface-muted: #eeece5;
    --ink: #1d211e;
    --muted: #626861;
    --line: #d9d8d0;
    --accent: #285b48;
    --accent-soft: #dce9df;
    --warm: #c76b43;
    --serif: "Fraunces", Georgia, serif;
    --sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--canvas);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
}
body::before {
    background-image: radial-gradient(rgba(29, 33, 30, .1) .65px, transparent .65px);
    background-size: 11px 11px;
    content: "";
    inset: 0;
    opacity: .22;
    pointer-events: none;
    position: fixed;
    z-index: -1;
}
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--warm); outline-offset: 3px; }

.site-header {
    align-items: center;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1240px;
    min-height: 76px;
    padding: 0 32px;
}
.brand {
    color: var(--ink);
    font-family: var(--serif);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: -.04em;
    text-decoration: none;
}
.brand-mark { color: var(--warm); }
.nav-links { align-items: center; display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); font-size: .92rem; font-weight: 600; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent); }
.nav-links .nav-cv { border: 1px solid var(--ink); border-radius: 999px; color: var(--ink); padding: 7px 14px; }
.nav-links .nav-cv:hover { background: var(--ink); color: var(--surface); }
.nav-toggle { background: transparent; border: 0; color: var(--ink); cursor: pointer; display: none; font: inherit; padding: 8px; }

main { margin: 0 auto; max-width: 1240px; padding: 0 32px; }
.eyebrow { color: var(--accent); font-family: var(--mono); font-size: .74rem; font-weight: 500; letter-spacing: .08em; margin: 0 0 18px; text-transform: uppercase; }
.display-title { font-family: var(--sans); font-size: clamp(3.15rem, 7vw, 6.55rem); font-weight: 700; letter-spacing: -.075em; line-height: .93; margin: 0; max-width: 880px; }
.display-title em { color: var(--accent); font-style: normal; }

.hero { display: grid; gap: 50px; grid-template-columns: minmax(0, 1.25fr) minmax(270px, .75fr); min-height: min(760px, calc(100vh - 76px)); padding: 92px 0 72px; }
.hero-copy { align-self: center; }
.hero-intro { color: var(--muted); font-size: clamp(1.05rem, 1.5vw, 1.22rem); line-height: 1.65; margin: 36px 0 30px; max-width: 650px; }
.hero-intro a { color: var(--accent); text-decoration-color: rgba(40, 91, 72, .4); text-underline-offset: 3px; }
.hero-detail { border-left: 2px solid var(--accent); color: var(--muted); font-size: .95rem; line-height: 1.65; margin: 30px 0; max-width: 700px; padding-left: 16px; }
.contact-line { align-items: center; color: var(--ink); display: flex; flex-wrap: wrap; font-size: .95rem; font-weight: 600; gap: 12px; }
.contact-line a { color: var(--accent); text-decoration: none; }
.contact-line a:hover { text-decoration: underline; text-underline-offset: 3px; }
.dot { color: var(--warm); }
.hero-aside { align-self: center; position: relative; }
.hero-image-frame { background: var(--accent-soft); border-radius: 160px 160px 18px 18px; overflow: hidden; padding: 12px 12px 0; position: relative; }
.hero-image-frame::after { border: 1px solid rgba(29, 33, 30, .2); border-radius: 160px 160px 0 0; content: ""; inset: 12px 12px 0; pointer-events: none; position: absolute; }
.hero-image { display: block; filter: saturate(.82); height: 470px; object-fit: cover; object-position: center top; width: 100%; }
.hero-note { background: var(--warm); bottom: -22px; color: #fffaf5; font-family: var(--mono); font-size: .73rem; left: -22px; letter-spacing: .03em; line-height: 1.45; max-width: 185px; padding: 14px 16px; position: absolute; transform: rotate(-3deg); }

.section { border-top: 1px solid var(--line); padding: 104px 0; }
.section-heading { align-items: baseline; display: flex; justify-content: space-between; gap: 25px; margin-bottom: 38px; }
.section-heading h2 { font-family: var(--serif); font-size: clamp(2.25rem, 4vw, 3.7rem); font-weight: 500; letter-spacing: -.055em; line-height: 1; margin: 0; }
.section-heading p { color: var(--muted); margin: 0; max-width: 390px; }
.text-link { color: var(--accent); font-size: .92rem; font-weight: 700; text-decoration: none; white-space: nowrap; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.publications { display: grid; gap: 0; }
.publication-card { border-top: 1px solid var(--line); display: grid; gap: 16px 28px; grid-template-columns: 86px minmax(0, 1fr); padding: 27px 0; }
.publication-card:last-child { border-bottom: 1px solid var(--line); }
.publication-date { color: var(--accent); font-family: var(--mono); font-size: .78rem; padding-top: 4px; }
.publication-content h3 { font-family: var(--serif); font-size: clamp(1.35rem, 2vw, 1.72rem); font-weight: 500; letter-spacing: -.035em; line-height: 1.18; margin: 0 0 8px; }
.publication-authors, .publication-venue { color: var(--muted); font-size: .94rem; margin: 0; }
.publication-authors strong { color: var(--ink); font-weight: 700; }
.publication-venue { align-items: center; color: var(--accent); display: flex; font-family: var(--mono); font-size: .76rem; font-weight: 500; gap: 8px; margin-top: 10px; }
.publication-venue span { color: var(--muted); font-size: .67rem; letter-spacing: .05em; text-transform: uppercase; }
.publication-tldr { background: var(--accent-soft); border-left: 2px solid var(--accent); color: #2d4136; font-size: .94rem; line-height: 1.55; margin: 17px 0 0; padding: 10px 13px; }
.publication-links { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 17px; }
.publication-links a, .publication-links button { background: transparent; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); cursor: pointer; font: 500 .77rem var(--sans); padding: 5px 10px; text-decoration: none; }
.publication-links a:hover, .publication-links button:hover { border-color: var(--accent); color: var(--accent); }
.all-publications-link { margin-top: 30px; }

.page-intro { border-bottom: 1px solid var(--line); padding: 92px 0 60px; }
.page-intro .display-title { max-width: none; }
.page-description { color: var(--muted); font-size: 1.1rem; margin: 24px 0 0; max-width: 600px; }
.stats { display: flex; gap: 50px; margin-top: 46px; }
.stat-item { border-left: 2px solid var(--warm); padding-left: 13px; }
.stat-number { display: block; font-family: var(--serif); font-size: 2.4rem; letter-spacing: -.06em; line-height: 1; }
.stat-label { color: var(--muted); font-size: .78rem; font-weight: 600; text-transform: uppercase; }
.publications-page { padding-bottom: 104px; padding-top: 55px; }
.year-section { margin-bottom: 58px; }
.year-title { color: var(--accent); font-family: var(--mono); font-size: .86rem; letter-spacing: .08em; margin: 0 0 15px; }

.loading, .error { color: var(--muted); padding: 30px 0; text-align: center; }
.error { color: #9c3f2c; }

.modal { align-items: center; background: rgba(29, 33, 30, .32); display: none; inset: 0; justify-content: center; padding: 24px; position: fixed; z-index: 10; }
.modal.is-open { display: flex; }
.modal-content { background: var(--surface); border: 1px solid var(--line); box-shadow: 0 22px 65px rgba(29, 33, 30, .2); max-height: min(700px, 90vh); max-width: 700px; overflow: auto; padding: 28px; position: relative; width: 100%; }
.modal-content h2 { font-family: var(--serif); font-size: 1.8rem; font-weight: 500; letter-spacing: -.04em; margin: 0 36px 20px 0; }
.modal-close { background: none; border: 0; color: var(--ink); cursor: pointer; font-size: 1.7rem; line-height: 1; position: absolute; right: 18px; top: 16px; }
.modal-content pre { background: var(--surface-muted); font: .78rem/1.55 var(--mono); margin: 0 0 18px; overflow: auto; padding: 16px; white-space: pre-wrap; }
.button { background: var(--accent); border: 1px solid var(--accent); color: white; cursor: pointer; font: 600 .84rem var(--sans); padding: 9px 14px; }
.button:hover { background: #174534; }

footer { border-top: 1px solid var(--line); margin: 0 auto; max-width: 1240px; padding: 28px 32px 34px; }
.footer-inner { color: var(--muted); display: flex; font-size: .84rem; justify-content: space-between; gap: 20px; }
.footer-inner a { color: var(--muted); }

.article-shell { max-width: 820px; padding-bottom: 100px; padding-top: 72px; }
.article { margin-top: 32px; }
.article-header { border-bottom: 1px solid var(--line); margin-bottom: 38px; padding-bottom: 36px; }
.article-header h1 { font-family: var(--serif); font-size: clamp(2.5rem, 6vw, 4.7rem); font-weight: 500; letter-spacing: -.065em; line-height: .98; margin: 0; }
.article-content { color: #414740; font-size: 1.08rem; line-height: 1.8; }
.article-dek { color: var(--ink); font-family: var(--serif); font-size: 1.35rem; line-height: 1.4; }
.article-content h2 { color: var(--ink); font-family: var(--serif); font-size: 2rem; font-weight: 500; letter-spacing: -.04em; line-height: 1.1; margin: 2.3em 0 .6em; }
.article-content p { margin: 0 0 1.25em; }
.article-content ul, .article-content ol { margin: 0 0 1.4em; padding-left: 1.35em; }
.article-content li { margin-bottom: .45em; }
.article-content blockquote { border-left: 2px solid var(--warm); color: var(--ink); font-family: var(--serif); font-size: 1.28rem; line-height: 1.45; margin: 2em 0; padding-left: 20px; }
.article-content a { color: var(--accent); text-underline-offset: 3px; }
.article-content code { background: var(--surface-muted); font: .86em var(--mono); padding: .08em .28em; }
.article-content figure { margin: 2.2em 0; }
.article-content img { display: block; height: auto; max-width: 100%; }
.article-content figcaption { color: var(--muted); font-size: .84rem; line-height: 1.55; margin-top: 10px; }
.article-content pre { background: var(--surface-muted); font: .8rem/1.6 var(--mono); overflow-x: auto; padding: 16px; }
.article-content pre code { background: none; padding: 0; }
.article-table-wrap { border: 1px solid var(--line); margin: 1.7em 0; overflow-x: auto; }
.article-content table { border-collapse: collapse; font-size: .87rem; line-height: 1.5; min-width: 620px; width: 100%; }
.article-content th, .article-content td { border-bottom: 1px solid var(--line); padding: 11px 13px; text-align: left; vertical-align: top; }
.article-content th { background: var(--surface-muted); color: var(--ink); font-family: var(--mono); font-size: .73rem; font-weight: 500; letter-spacing: .03em; text-transform: uppercase; }
.article-content tr:last-child td { border-bottom: 0; }
.article-shell-wide { max-width: 980px; }
.article-content section { border-top: 1px solid var(--line); margin-top: 3.5em; padding-top: .2em; }
.article-content h3 { color: var(--ink); font-family: var(--serif); font-size: 1.25rem; font-weight: 500; letter-spacing: -.025em; line-height: 1.25; margin: .45em 0 .55em; }
.article-code-card { background: #1f2924; border: 1px solid #34453d; margin: 1.8em 0 .8em; overflow: hidden; }
.article-code-title { align-items: center; background: #29362f; color: #eef3ef; display: flex; font-size: .78rem; justify-content: space-between; padding: 10px 14px; }
.article-code-title span { color: #aab8b0; font-family: var(--mono); }
.article-content .article-code-card pre { background: #1f2924; color: #eef3ef; margin: 0; }
.code-hl { display: block; margin: 0 -16px; padding: 0 13px; border-left: 3px solid; }
.code-hl-qr { background: rgba(199, 107, 67, .2); border-color: var(--warm); }
.code-hl-einsum { background: rgba(101, 162, 139, .2); border-color: #65a28b; }
.article-code-legend { color: var(--muted); display: flex; flex-wrap: wrap; font-size: .8rem; gap: 18px; margin: 0 0 1.8em; }
.article-code-legend i { display: inline-block; height: 10px; margin-right: 6px; vertical-align: 0; width: 10px; }
.legend-qr { background: var(--warm); }
.legend-einsum { background: #65a28b; }
.article-change-grid, .article-method-grid, .article-stat-grid, .article-detail-grid { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 1.7em 0; }
.article-change, .article-method, .article-stat { background: var(--surface); border: 1px solid var(--line); padding: 18px; }
.article-change pre { font-size: .72rem; margin: 1.2em 0 0; }
.article-step { color: var(--accent); font: 500 .7rem/1.3 var(--mono); letter-spacing: .055em; margin: 0 0 8px !important; text-transform: uppercase; }
.article-method { border-top: 3px solid var(--accent); }
.article-method-accent { background: var(--accent-soft); border-color: var(--accent); }
.article-equation { background: var(--surface-muted); border-left: 3px solid var(--warm); color: var(--ink); font: 1.15rem/1.5 var(--serif); margin: 1.5em 0; padding: 16px; text-align: center; }
.article-stat strong { color: var(--accent); display: block; font-family: var(--serif); font-size: 2rem; font-weight: 500; letter-spacing: -.045em; line-height: 1.15; }
.article-stat span { color: var(--muted); font-size: .78rem; }
.article-detail-grid ul { margin: 0; }
.article-appendix { background: rgba(252, 251, 248, .72); border: 1px solid var(--line) !important; margin-top: 4.5em !important; padding: 28px !important; }
.article-appendix > .eyebrow { margin-bottom: 8px; }
.article-appendix > h2 { margin-top: 0; }
.article-series { background: var(--accent-soft); border: 1px solid var(--line); margin: 1.8em 0 2.2em; padding: 18px 20px; }
.article-series p { margin: 0 !important; }
.article-series-label { color: var(--accent); font: 500 .7rem/1.3 var(--mono); letter-spacing: .055em; margin-bottom: 7px !important; text-transform: uppercase; }
.article-series-footer { margin-top: 4em; }
.article-series-next { color: var(--ink) !important; display: inline-block; font-family: var(--serif); font-size: 1.25rem; line-height: 1.35; text-decoration-thickness: 1px; }

.blog-container { padding-bottom: 100px; }
.blog-grid { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.blog-card { background: var(--surface); border: 1px solid var(--line); color: var(--ink); display: flex; flex-direction: column; justify-content: space-between; min-height: 190px; padding: 22px; text-decoration: none; }
.blog-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.blog-card h3 { font-family: var(--serif); font-size: 1.4rem; font-weight: 500; line-height: 1.2; margin: 0 0 9px; }
.blog-card p, .blog-date { color: var(--muted); font-size: .9rem; margin: 0; }
.blog-date { color: var(--accent); font-family: var(--mono); font-size: .75rem; margin-top: 18px; }

@media (max-width: 760px) {
    .site-header { min-height: 66px; padding: 0 20px; position: relative; }
    .nav-toggle { display: block; }
    .nav-links { background: var(--surface); border-bottom: 1px solid var(--line); display: none; left: 0; padding: 17px 20px 22px; position: absolute; right: 0; top: 65px; }
    .nav-links.is-open { align-items: flex-start; display: flex; flex-direction: column; gap: 16px; }
    main { padding: 0 20px; }
    .hero { display: flex; flex-direction: column; gap: 45px; min-height: auto; padding: 65px 0 82px; }
    .hero-aside { align-self: stretch; margin: 0 20px; }
    .hero-image { height: 390px; }
    .hero-note { left: -10px; }
    .section { padding: 72px 0; }
    .section-heading { align-items: flex-start; flex-direction: column; margin-bottom: 28px; }
    .publication-card { display: block; padding: 23px 0; }
    .publication-date { margin-bottom: 10px; }
    .page-intro { padding: 65px 0 48px; }
    .stats { gap: 28px; margin-top: 35px; }
    .publications-page { padding-bottom: 72px; }
    footer { padding: 25px 20px 30px; }
    .footer-inner { flex-direction: column; }
    .blog-grid { grid-template-columns: 1fr; }
}