/*
 * The cached Inter subsets are named one step heavier than they render:
 * Inter-Medium.woff is the lightest face and Inter-Regular.woff is heavier
 * than it. Each file is mapped to the weight it actually draws, so body copy
 * sets at 400 instead of rendering semibold.
 */
@font-face {
    font-family: 'Inter';
    src: url('fonts/Inter-Medium.woff') format('woff');
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('fonts/Inter-Regular.woff') format('woff');
    font-weight: 600;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('fonts/Inter-Bold.woff') format('woff');
    font-weight: 700;
    font-display: swap;
}

:root {
    --color-red: #8b1e2d;
    --color-yellow: #6b5200;
    --color-orange: #8a3e22;
    --color-cyan: #2457a6;
    --color-purple: #5a3d8c;
    --color-primary: #164c66;
    --color-bg: #ffffff;
    --color-bg-lighter: #ffffff;
    --color-bg-light: #f8f7f4;
    --color-bg-selection: #dbe5f3;
    --color-text: #17252c;
    --color-text-dim: #394b53;
    --color-text-muted: #56676e;
    --color-border: #d5d0c4;
    --color-border-medium: #bdb7aa;
    --color-border-light: #a8a49b;
    --color-accent: #a51c30;
    --color-accent-soft: #d18968;
    --color-ink: #17252c;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Georgia, serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
    --border-radius: 1px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 32px 32px;
    color: var(--color-text);
    background: var(--color-bg);
    font-family: var(--font-primary);
    font-size: 15px;
    line-height: 1.6;
}

::selection {
    background: var(--color-bg-selection);
}

h1,
h2,
h3 {
    color: var(--color-text);
    font-family: var(--font-serif);
    font-weight: 400;
}

p {
    margin: 10px 0;
}

a {
    color: var(--color-cyan);
    text-decoration: none;
}

a:visited {
    color: var(--color-cyan);
}

a:hover {
    color: var(--color-cyan);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

strong,
em {
    color: inherit;
}

button,
input,
select {
    font: inherit;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-cyan);
    outline-offset: 2px;
}

/* Overview: the mission and the path toward it */
.home {
    max-width: 980px;
    margin: 0 auto;
}

.home > section {
    padding: 64px 0;
    scroll-margin-top: 62px;
}

.home > section + section {
    border-top: 1px solid var(--color-border);
}

.home h2 {
    margin: 0 0 14px;
    font-size: clamp(26px, 3vw, 34px);
    line-height: 1.15;
    letter-spacing: -0.015em;
}

.home a {
    color: var(--color-text);
}

.home :is(p, dd) a {
    text-decoration: underline;
    text-decoration-color: var(--color-border-light);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.home a:hover {
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-color: currentColor;
}

.mission {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 56px;
    align-items: end;
}

.home > .mission {
    padding-top: 88px;
}

#profile-title {
    margin: 0 0 24px;
    color: var(--color-text-muted);
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.mission-statement {
    max-width: 24ch;
    margin: 0;
    font-family: var(--font-serif);
    font-size: clamp(32px, 4.4vw, 52px);
    line-height: 1.12;
    letter-spacing: -0.02em;
}

.mission-statement em {
    color: var(--color-accent);
}

.mission-role {
    max-width: 52ch;
    margin: 28px 0 0;
    color: var(--color-text-dim);
    font-size: 16px;
}

.mission-essay {
    margin: 14px 0 0;
    font-size: 15px;
    font-weight: 600;
}

.mission-essay a::after {
    content: " →";
}

.mission-portrait {
    margin: 0;
}

.mission-portrait img {
    display: block;
    width: 100%;
    height: auto;
}

.section-lede {
    max-width: 62ch;
    margin: 0;
    color: var(--color-text-dim);
    font-size: 16px;
}

.path {
    position: relative;
    margin: 44px 0 0;
    padding: 0;
    list-style: none;
}

.path::before {
    position: absolute;
    top: 12px;
    bottom: 16px;
    left: 7px;
    width: 1px;
    background: var(--color-accent);
    content: "";
}

.path-stop,
.path-end {
    position: relative;
    padding-left: 48px;
}

.path-stop {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 40px;
    align-items: start;
    padding-bottom: 56px;
}

.path-stop::before,
.path-end::before {
    position: absolute;
    top: 7px;
    left: 0;
    width: 15px;
    height: 15px;
    border: 1.5px solid var(--color-accent);
    border-radius: 50%;
    background: var(--color-bg);
    content: "";
}

.path-end::before {
    background: var(--color-accent);
}

.path-stop h3 {
    margin: 0 0 10px;
    font-size: clamp(22px, 2.4vw, 27px);
    line-height: 1.2;
}

.path-need {
    max-width: 58ch;
    margin: 0 0 18px;
    color: var(--color-text-dim);
    font-size: 16px;
}

.path-evidence {
    max-width: 62ch;
    margin: 0;
}

.path-evidence > div {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 12px;
    padding: 11px 0;
    border-top: 1px solid var(--color-border);
}

.path-evidence dt {
    padding-top: 3px;
    color: var(--color-text-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.path-evidence dd {
    margin: 0;
    font-size: 15px;
}

.path-evidence > div:last-child dd {
    font-family: var(--font-serif);
    font-size: 17px;
    font-style: italic;
}

.path-source {
    display: block;
    margin-top: 6px;
    color: var(--color-text-muted);
    font-size: 12px;
    letter-spacing: 0.01em;
}

.home .path-source a {
    color: inherit;
    text-decoration: none;
}

.home .path-source a::after {
    content: " ↗";
}

.home .path-source a:hover {
    color: var(--color-accent);
}

.path-art {
    display: block;
    width: 100%;
    height: auto;
}

.path-end p {
    margin: 0;
    color: var(--color-accent);
    font-family: var(--font-serif);
    font-size: clamp(22px, 2.4vw, 27px);
    font-style: italic;
    line-height: 1.2;
}

.home > .writing-head {
    padding: 72px 0 8px;
}

.writing-more {
    margin: 22px 0 0;
    font-size: 15px;
    font-weight: 600;
}

.writing-more a::after {
    content: " →";
}

.opinion-list {
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.opinion-list li {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, auto);
    gap: 8px 32px;
    align-items: baseline;
    padding: 14px 0;
    border-top: 1px solid var(--color-border);
}

.opinion-list a {
    font-family: var(--font-serif);
    font-size: 18px;
    line-height: 1.3;
    text-decoration: none;
}

.opinion-list span {
    color: var(--color-text-muted);
    font-size: 12.5px;
    text-align: right;
}

@media (max-width: 760px) {
    .opinion-list li {
        grid-template-columns: 1fr;
    }

    .opinion-list span {
        text-align: left;
    }
}

.writing-page h1 {
    margin: 0 0 14px;
    font-size: clamp(34px, 4.4vw, 48px);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.writing-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 48px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.writing-list li {
    padding: 18px 0 20px;
    border-top: 1px solid var(--color-border);
}

.writing-list li > a {
    font-family: var(--font-serif);
    font-size: 21px;
    line-height: 1.25;
    text-decoration: none;
}

.writing-list .writing-featured {
    grid-column: 1 / -1;
}

.writing-list .writing-featured > a {
    font-size: clamp(26px, 3vw, 32px);
}

.writing-list p {
    max-width: 60ch;
    margin: 6px 0 8px;
    color: var(--color-text-dim);
}

.writing-list span {
    color: var(--color-text-muted);
    font-size: 12.5px;
}

.background-section p {
    max-width: 68ch;
    font-size: 16px;
    line-height: 1.7;
}

.students-section {
    display: grid;
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 48px;
    align-items: center;
}

.students-art {
    display: block;
    width: 100%;
    height: auto;
}

.students-list {
    margin: 18px 0 0;
}

.students-list > div {
    padding: 12px 0;
    border-top: 1px solid var(--color-border);
}

.students-list dt {
    font-family: var(--font-serif);
    font-size: 19px;
}

.students-list dd {
    margin: 4px 0 0;
    color: var(--color-text-dim);
}

@media (max-width: 760px) {
    .home > section {
        padding: 44px 0;
    }

    .mission {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .home > .mission {
        padding-top: 48px;
    }

    .mission-portrait {
        width: 44%;
        order: -1;
    }

    .path-stop {
        grid-template-columns: 1fr;
        gap: 20px;
        padding-left: 36px;
    }

    .path-end {
        padding-left: 36px;
    }

    .path-art {
        max-width: 360px;
    }

    .writing-list,
    .students-section {
        grid-template-columns: 1fr;
    }

    .students-section {
        gap: 24px;
    }
}

/* Biography and headshot */
.home > .bio-kit-head {
    padding: 72px 0 32px;
}

.bio-kit-head h1 {
    margin: 0 0 14px;
    font-size: clamp(34px, 4.4vw, 48px);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.home > .bio-kit-body {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-top: 40px;
}

.bio-headshot {
    position: sticky;
    top: 90px;
}

.bio-headshot img {
    display: block;
    width: 100%;
    height: auto;
}

.bio-headshot .bio-download {
    display: block;
    margin-top: 14px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--color-border-light);
    text-underline-offset: 3px;
}

.bio-headshot span {
    color: var(--color-text-muted);
    font-size: 12.5px;
}

.bio-version + .bio-version {
    margin-top: 36px;
}

.bio-version header {
    display: flex;
    gap: 14px;
    align-items: baseline;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

.bio-version h2 {
    margin: 0;
    font-size: 22px;
}

.bio-version header span {
    color: var(--color-text-muted);
    font-size: 12.5px;
}

.copy-bio {
    display: none;
    margin-left: auto;
    padding: 4px 12px;
    border: 1px solid var(--color-border-medium);
    border-radius: 999px;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
}

.js .copy-bio {
    display: inline-block;
}

.copy-bio:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.bio-text p {
    max-width: 64ch;
    margin: 12px 0 0;
    font-size: 16px;
    line-height: 1.7;
}

.copy-status {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
}

@media (max-width: 760px) {
    .home > .bio-kit-head {
        padding-top: 44px;
    }

    .home > .bio-kit-body {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .bio-headshot {
        position: static;
        width: 44%;
    }
}

/* Header and footer */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    gap: 26px;
    align-items: center;
    min-height: 58px;
    border-bottom: 1px solid var(--color-border-medium);
    background: color-mix(in srgb, var(--color-bg) 94%, transparent);
    backdrop-filter: blur(12px);
}

.site-wordmark {
    color: var(--color-text) !important;
    font-family: var(--font-serif);
    font-size: 17px;
    text-decoration: none;
    white-space: nowrap;
}

.site-nav {
    display: flex;
    gap: 18px;
    align-items: center;
    font-size: 13px;
}

.site-nav a {
    color: var(--color-text-dim);
    text-decoration: none;
}

.site-nav a:hover {
    color: var(--color-cyan);
    text-decoration: underline;
}

.site-nav a[aria-current="page"] {
    color: var(--color-text);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--color-accent);
    text-decoration-thickness: 2px;
    text-underline-offset: 6px;
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 100;
    padding: 9px 12px;
    background: var(--color-text);
    color: #fff !important;
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

.contact {
    margin-top: 56px;
    padding: 18px 0 0;
    border-top: 1px solid var(--color-border-medium);
    color: var(--color-text-muted);
    font-size: 11px;
}

.contact p {
    margin: 3px 0;
}

.page-kicker {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.bio-download {
    margin: 0;
}

.bio-download picture,
.bio-download img {
    display: block;
    width: 100%;
    height: auto;
}

.bio-download img {
    border: 1px solid var(--color-border-medium);
}

.bio-download figcaption {
    margin-top: 10px;
    font-size: 12px;
    line-height: 1.5;
}

.bio-download figcaption a,
.bio-download figcaption span {
    display: block;
}

.bio-download figcaption a {
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.bio-download figcaption span {
    margin-top: 2px;
    color: var(--color-text-muted);
    font-size: 10.5px;
}

.bio {
    margin: 0 0 10px;
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 1.6;
}

.bio:last-child {
    margin-bottom: 0;
}

/* Links */
.link-columns {
    columns: 3;
    column-gap: 34px;
    margin-top: 24px;
}

/* Long groups are allowed to split across columns so the columns balance;
   only the heading is kept with the start of its list. */
.link-group {
    margin-bottom: 22px;
}

.link-group h3 {
    margin: 0 0 6px;
    break-after: avoid;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-family: var(--font-primary);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.link-group ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.link-group li {
    padding: 3px 0;
    font-size: 13px;
    line-height: 1.45;
}

.link-group li span {
    color: var(--color-text-muted);
    font-size: 11.5px;
}

/* Research record */
.record-heading {
    padding: clamp(40px, 5vw, 60px) 0 22px;
    border-bottom: 1px solid var(--color-border-medium);
}

.record-heading h1 {
    max-width: 700px;
    margin: 12px 0 12px;
    font-size: clamp(30px, 3.4vw, 44px);
    line-height: 1.06;
    letter-spacing: -0.03em;
}

.record-lead {
    max-width: 760px;
    margin: 0;
    color: var(--color-text-dim);
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 1.58;
}

.record-section {
    padding: 34px 0 0;
    scroll-margin-top: 62px;
}

.record-section h2 {
    margin: 0 0 14px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--color-border-medium);
    font-size: 22px;
}

.record-section h3 {
    margin: 28px 0 10px;
    font-size: 17px;
}

.record-note {
    max-width: 740px;
    margin: 0 0 14px;
    color: var(--color-text-muted);
    font-size: 13px;
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1px;
    margin: 0;
    border: 1px solid var(--color-border-medium);
    background: var(--color-border-medium);
}

.metric-row > div {
    padding: 13px 16px 15px;
    background: var(--color-bg-lighter);
}

.metric-row dt {
    color: var(--color-text-muted);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.metric-row dd {
    margin: 4px 0 0;
    font-family: var(--font-serif);
    font-size: 25px;
    line-height: 1.1;
}

.record-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 44px;
    align-items: start;
}

.bar-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.bar-table caption {
    margin-bottom: 8px;
    color: var(--color-text-muted);
    font-size: 11.5px;
    text-align: left;
}

.bar-table th {
    width: 1%;
    padding: 3px 12px 3px 0;
    color: var(--color-text-dim);
    font-weight: 400;
    text-align: left;
    white-space: nowrap;
}

.bar-table td {
    padding: 3px 0;
}

.bar-table .bar {
    display: block;
    height: 9px;
    min-width: 1px;
    background: var(--color-primary);
}

.bar-table .bar-count {
    width: 1%;
    padding-left: 10px;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 11px;
    text-align: right;
}

.coauthor-list {
    columns: 4;
    column-gap: 28px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.coauthor-list li {
    break-inside: avoid;
    padding: 1px 0;
    font-size: 12.5px;
    line-height: 1.45;
}

.coauthor-name {
    color: var(--color-text-dim);
}

.collab-count {
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 10.5px;
}

/* Archive filters and list */
.filter-controls {
    margin: 0 0 20px;
    padding: 14px;
    border: 1px solid var(--color-border-medium);
    background: var(--color-bg-light);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.filter-row + .filter-row {
    margin-top: 10px;
}

.filter-group {
    display: flex;
    gap: 7px;
    align-items: center;
}

.filter-group label {
    color: var(--color-text-dim);
    font-size: 12.5px;
    font-weight: 600;
    white-space: nowrap;
}

.filter-group select,
.filter-group input {
    min-height: 32px;
    padding: 4px 8px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    background: var(--color-bg-lighter);
    color: var(--color-text);
    font-size: 12.5px;
}

.filter-group input[type="text"] {
    width: 250px;
}

.filter-stats {
    margin-top: 9px;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 11px;
}

.publications {
    margin: 0;
}

.publication-item {
    display: block;
    padding: 9px 4px;
    border-bottom: 1px solid var(--color-border);
    line-height: 1.45;
}

.publication-item.hidden {
    display: none;
}

.publication-item:hover {
    background: var(--color-bg-light);
}

.publication-title {
    color: var(--color-text);
    font-size: 13.5px;
    font-weight: 600;
}

.publication-title a {
    color: var(--color-cyan);
}

.publication-authors,
.publication-meta {
    margin-top: 2px;
    color: var(--color-text-muted);
    font-size: 11.5px;
}

.publication-venue {
    color: var(--color-text-dim);
}

.citation-badge {
    font-weight: 600;
}

.citation-very-high { color: var(--color-red); }
.citation-high { color: var(--color-orange); }
.citation-good { color: var(--color-yellow); }
.citation-medium { color: var(--color-cyan); }
.citation-low-medium { color: var(--color-purple); }
.citation-low { color: var(--color-text-muted); }

/* Essays */
.essay-container {
    max-width: 720px;
    margin: 0 auto;
}

.essay-header {
    margin: 44px 0 34px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border-medium);
}

.essay-meta {
    color: var(--color-text-muted);
    font-size: 13px;
}

.essay-title {
    margin: 6px 0;
    font-size: clamp(28px, 3.4vw, 40px);
    line-height: 1.1;
    letter-spacing: -0.028em;
}

.essay-content p {
    margin: 0 0 1.4em;
    color: var(--color-text);
    font-family: var(--font-serif);
    font-size: 17.5px;
    line-height: 1.72;
}

.essay-content h2 {
    margin: 2.2em 0 0.6em;
    padding-bottom: 3px;
    border-bottom: 1px solid var(--color-border-medium);
    font-size: 24px;
}

.essay-content hr {
    margin: 2.4em 0;
    border: 0;
    border-top: 1px solid var(--color-border-medium);
}

.essay-content a {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.pull-quote {
    margin: 1.8em 0;
    padding: 0.9em 1.3em;
    border-left: 3px solid var(--color-accent);
    color: var(--color-text);
    font-family: var(--font-serif);
    font-size: 20px;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 980px) {
    .link-columns {
        columns: 2;
    }

    .coauthor-list {
        columns: 3;
    }

    .record-columns {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

@media (max-width: 900px) {
    body {
        padding: 0 22px 28px;
    }

    .site-header {
        flex-wrap: wrap;
        gap: 10px 20px;
        padding: 9px 0;
    }

    .site-nav {
        width: 100%;
        overflow-x: auto;
        white-space: nowrap;
    }

}

@media (max-width: 700px) {
    body {
        padding: 0 16px 24px;
    }

    .site-header {
        position: static;
    }

    .bio-download {
        max-width: 420px;
    }

    .link-columns,
    .coauthor-list {
        columns: 1;
    }

    .filter-row,
    .filter-group {
        align-items: stretch;
        flex-direction: column;
    }

    .filter-group input,
    .filter-group select {
        width: 100% !important;
    }

    .essay-content p {
        font-size: 16.5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}