:root {
    --bg: #fcfcfa;
    --surface: #f1f3f1;
    --panel: #ffffff;
    --ink: #252c2b;
    --heading: #1a2523;
    --muted: #606c68;
    --line: #dce2dd;
    --accent: #166658;
    --accent-soft: #e7efea;
    --copper: #956044;
    --wrap: 1320px;
    --header-h: 80px;
    --serif: Georgia, "Times New Roman", serif;
    color-scheme: light;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 24px);
}

html.dark {
    --bg: #181c1b;
    --surface: #202624;
    --panel: #242b28;
    --ink: #e0e6e1;
    --heading: #f2f4ef;
    --muted: #adb9b0;
    --line: #38433c;
    --accent: #92ceba;
    --accent-soft: #283e34;
    --copper: #dfac8c;
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 18px;
    line-height: 1.7;
    letter-spacing: 0;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

[hidden] {
    display: none !important;
}

a {
    color: inherit;
    text-underline-offset: 4px;
}

button, input, select, textarea {
    font: inherit;
}

button, a, input, select, textarea, summary {
    -webkit-tap-highlight-color: transparent;
}

img {
    display: block;
    max-width: 100%;
}

svg {
    display: block;
}

::selection {
    background: var(--accent-soft);
    color: var(--heading);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 5px;
}

h1, h2, h3, h4, p, figure {
    margin: 0;
}

h1, h2, h3, h4 {
    color: var(--heading);
    line-height: 1.25;
    font-weight: 600;
}

h2 {
    font-family: var(--serif);
    font-size: 42px;
    font-weight: 400;
}

h3 {
    font-size: 21px;
}

h4 {
    font-size: 18px;
}

p {
    color: var(--muted);
}

ul {
    margin: 0;
    padding-left: 18px;
}

li + li {
    margin-top: 7px;
}

li::marker {
    color: var(--accent);
}

.wrap {
    width: min(var(--wrap), calc(100% - 96px));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 12px;
    padding: 12px 20px;
    background: var(--panel);
    transform: translateY(-160%);
}

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

.eyebrow {
    display: block;
    margin-bottom: 17px;
    font-size: 14px;
    font-weight: 650;
    text-transform: uppercase;
    color: var(--accent);
}

.eyebrow > span {
    margin-inline: 8px;
    color: var(--copper);
}

.icon, .icon svg {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
}

.external-icon {
    transform: rotate(45deg);
}

.site-header {
    position: sticky;
    top: 0;
    height: var(--header-h);
    z-index: 50;
    background: var(--bg);
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 38px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 13px;
    text-decoration: none;
    flex-shrink: 0;
}

.brand-mark {
    font-family: var(--serif);
    font-size: 35px;
    line-height: 1;
    font-style: italic;
    color: var(--heading);
}

.brand-mark > span {
    color: var(--accent);
}

.brand-name {
    font-size: 16px;
    font-weight: 600;
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-left: auto;
}

.primary-nav a {
    position: relative;
    padding-block: 27px;
    color: var(--muted);
    font-size: 16px;
    text-decoration: none;
}

.primary-nav a::after {
    content: "";
    position: absolute;
    bottom: 18px;
    height: 2px;
    inset-inline: 0;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 180ms ease;
}

.primary-nav a:hover, .primary-nav a[aria-current] {
    color: var(--accent);
}

.primary-nav a[aria-current]::after {
    transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.calculator-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    border-left: 1px solid var(--line);
    padding-left: 28px;
}

.calculator-nav:hover {
    text-decoration: underline;
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
}

.icon-button:hover {
    background: var(--accent-soft);
    color: var(--accent);
}

.menu-button, .mobile-menu {
    display: none;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 46px;
    padding: 12px 19px;
    border: 1px solid var(--accent);
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    text-decoration: none;
    transition: background-color 180ms ease, transform 180ms ease;
}

.button-primary {
    background: var(--accent);
    color: var(--bg);
}

.button-primary:hover {
    background: color-mix(in srgb, var(--accent) 85%, var(--heading));
    transform: translateY(-2px);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 44px;
    color: var(--heading);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
}

.text-link:hover {
    color: var(--accent);
    text-decoration: underline;
}

.text-link .icon, .text-link .icon svg {
    width: 15px;
    height: 15px;
}

.hero {
    padding-block: 52px 48px;
}

.hero-heading {
    padding-bottom: 32px;
}

@media (min-width: 801px) {
    .hero-inner { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 0 64px; }
    .hero-heading { grid-column: 1; }
    .hero .hero-grid { display: contents; }
    .hero-copy { grid-column: 1; }
    .profile-panel { grid-column: 2; grid-row: 1 / 3; }
}

.hero-heading .eyebrow {
    margin-bottom: 16px;
}

.hero-title {
    font-family: var(--serif);
    font-size: 88px;
    font-weight: 400;
    line-height: 1.1;
}

.hero-title em {
    display: inline-block;
    color: var(--accent);
    font-weight: 400;
    white-space: nowrap;
}

.title-period {
    color: var(--copper);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
    gap: 90px;
}

.hero-copy {
    padding-top: 10px;
}

.hero-statement {
    font-family: inherit;
    font-size: 28px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 18px;
}

.hero-lede {
    max-width: 590px;
    font-size: 19px;
    line-height: 1.8;
}

.hero-location {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 16px;
    font-size: 14px;
}

.hero-location > span {
    margin-inline: 4px;
    color: var(--copper);
}

.hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 23px;
    margin-top: 24px;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    margin-top: 24px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 30px;
    font-size: 15px;
    color: var(--muted);
    text-decoration: none;
}

.social-links a:hover {
    color: var(--accent);
}

.social-links .icon, .social-links .icon svg {
    width: 15px;
    height: 15px;
}

.profile-panel {
    position: relative;
}

.profile-image {
    aspect-ratio: 480 / 520;
    overflow: hidden;
    border-radius: 2px;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-panel figcaption {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 12px;
    font-size: 13px;
}

.profile-panel figcaption span:first-child {
    color: var(--heading);
}

.profile-panel figcaption span:last-child {
    color: var(--muted);
}

.evidence-strip {
    border-block: 1px solid var(--line);
}

.evidence-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-block: 26px;
}

.evidence-grid > div {
    padding-inline: 25px;
    border-left: 1px solid var(--line);
}

.evidence-grid > div:first-child {
    padding-left: 0;
    border-left: 0;
}

.evidence-grid > div:last-child {
    padding-right: 0;
}

.evidence-grid strong {
    display: block;
    font-size: 18px;
    font-weight: 600;
    margin-block: 5px;
}

.evidence-grid span {
    display: block;
    color: var(--muted);
    font-size: 14px;
}

.evidence-grid .evidence-label {
    color: var(--copper);
    text-transform: uppercase;
    font-size: 13px;
}

.section {
    padding-block: 88px;
}

.section-muted {
    background: var(--surface);
    border-block: 1px solid var(--line);
}

.section-heading {
    margin-bottom: 38px;
}

.section-heading .eyebrow {
    margin-bottom: 12px;
}

.split-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
}

.calculator-feature {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding-block: 72px;
}

.calculator-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
}

.calculator-copy {
    min-width: 0;
}

.calculator-copy h2 { font-size: 46px; margin-bottom: 20px; }
.calculator-copy p:not(.eyebrow) { font-size: 18px; max-width: 980px; }
.calculator-copy p.calculator-question { font-size: 22px; color: var(--heading); margin-bottom: 12px; }
.calculator-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; margin-top: 24px; }
.calculator-paper { font-size: 15px; }

.calculator-visual { min-width: 0; }
.chart-image { border-radius: 4px; overflow: hidden; }
.calculator-visual img { width: 100%; height: auto; }
.theme-dark-image, html.dark .theme-light-image { display: none; }
html.dark .theme-dark-image { display: block; }

.calculator-visual figcaption {
    display: block;
    margin-top: 14px;
    color: var(--muted);
    font-size: 14px;
}
.calculator-visual figcaption strong { display: block; color: var(--heading); font-size: 17px; font-weight: 600; }
.trajectory-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }

.calculator-visual figcaption > span { display: block; margin-top: 4px; text-align: left; }
.calculator-visual .chart-description { margin-top: 12px; font-size: 16px; line-height: 1.7; max-width: 1000px; }

.profile-documents { margin-top: 20px; }
.profile-documents a {
    display: flex;
    align-items: center;
    gap: 10px;
    border-top: 1px solid var(--line);
    padding-block: 11px;
    font-size: 15px;
    text-decoration: none;
}
.profile-documents a:last-child { border-bottom: 1px solid var(--line); }
.profile-documents a:hover { color: var(--accent); }
.profile-documents small { margin-left: auto; font-size: 12px; color: var(--muted); }

#work {
    border-top: 1px solid var(--line);
}

.work-list {
    border-top: 1px solid var(--line);
}

.work-item {
    display: grid;
    grid-template-columns: 170px minmax(0, 1fr) 280px;
    gap: 34px;
    padding-block: 34px;
    border-bottom: 1px solid var(--line);
    align-items: start;
}

.work-date {
    font-size: 15px;
    color: var(--muted);
    padding-top: 3px;
}

.work-item:first-child .work-date {
    color: var(--accent);
}

.work-body {
    min-width: 0;
}

.work-title h3 {
    margin-bottom: 7px;
    font-size: 22px;
}

.work-title p {
    color: var(--accent);
    font-size: 15px;
}

.work-body ul {
    margin-top: 16px;
    font-size: 16px;
    color: var(--muted);
}

.work-body li {
    padding-left: 4px;
}

.work-image {
    width: 100%;
    height: auto;
    aspect-ratio: 960 / 411;
    object-fit: cover;
    object-position: center 35%;
    border-radius: 2px;
    margin-top: 4px;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 30px;
}

.education-card {
    padding-top: 20px;
    border-top: 1px solid var(--line);
}

.education-card > span {
    color: var(--copper);
    font-size: 14px;
}

.education-card h3 {
    margin-top: 17px;
    margin-bottom: 8px;
    font-size: 20px;
}

.education-card p {
    font-size: 15px;
    margin-bottom: 17px;
}

.education-card ul {
    font-size: 15px;
    color: var(--muted);
}

.pub-controls {
    display: grid;
    grid-template-columns: minmax(180px, 260px) 125px;
    gap: 12px;
}

.pub-controls label {
    display: grid;
    gap: 6px;
    min-width: 0;
}

.pub-controls label > span {
    font-size: 14px;
    color: var(--muted);
}

.pub-controls input, .pub-controls select {
    width: 100%;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 4px;
    color: var(--ink);
    background: var(--panel);
    padding: 10px 12px;
    font-size: 16px;
}

.pub-controls input::placeholder {
    color: var(--muted);
}

.publication-count {
    margin-bottom: 16px;
    font-size: 14px;
}

.publication-list {
    border-top: 1px solid var(--line);
}

.publication {
    display: grid;
    grid-template-columns: 70px minmax(0, 1fr) auto;
    align-items: start;
    gap: 7px 26px;
    padding-block: 26px;
    border-bottom: 1px solid var(--line);
}

.publication-year {
    color: var(--copper);
    font-family: var(--serif);
    font-size: 24px;
    line-height: 1.35;
}

.publication-body {
    min-width: 0;
}

.publication-venue {
    display: block;
    font-size: 13px;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 7px;
}

.publication h3 {
    font-size: 20px;
    line-height: 1.5;
    font-weight: 500;
    margin-bottom: 7px;
}

.publication-authors {
    font-size: 15px;
}

.pub-links {
    display: flex;
    gap: 8px;
    align-items: center;
    padding-top: 22px;
}

.pub-link {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 5px 9px;
    border: 1px solid var(--line);
    border-radius: 4px;
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
}

.pub-link:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.pub-link .icon, .pub-link .icon svg {
    width: 13px;
    height: 13px;
}

.bibtex {
    grid-column: 2 / -1;
    min-width: 0;
}

.bibtex summary {
    display: flex;
    align-items: center;
    gap: 4px;
    width: fit-content;
    min-height: 32px;
    color: var(--muted);
    font-size: 14px;
    cursor: pointer;
    list-style: none;
}

.bibtex summary::-webkit-details-marker {
    display: none;
}

.bibtex summary:hover {
    color: var(--accent);
}

.bibtex summary .icon {
    transition: transform 150ms ease;
}

.bibtex[open] summary .icon {
    transform: rotate(90deg);
}

.bibtex pre {
    margin: 8px 0 0;
    overflow: auto;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--surface);
    font-size: 14px;
    line-height: 1.8;
}

.empty-state {
    padding: 32px 0;
}

.reset-filters {
    display: block;
    width: fit-content;
    padding: 8px 0;
    border: 0;
    background: transparent;
    color: var(--accent);
    text-decoration: underline;
    cursor: pointer;
}

.section-research {
    background: var(--surface);
    border-block: 1px solid var(--line);
}

.academic-layout {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    column-gap: 70px;
    row-gap: 42px;
}

.academic-panel {
    border-top: 1px solid var(--line);
    padding-top: 21px;
    min-width: 0;
}

.academic-panel > span {
    display: block;
    color: var(--copper);
    text-transform: uppercase;
    font-size: 13px;
    margin-bottom: 15px;
}

.academic-panel h3 {
    font-size: 21px;
    margin-bottom: 24px;
}

.event-list, .award-list {
    display: grid;
    gap: 21px;
}

.event-list time {
    display: block;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 4px;
}

.event-list strong, .award-list strong {
    font-size: 16px;
    font-weight: 600;
}

.event-list p, .award-list p {
    font-size: 16px;
    margin-top: 6px;
}

.award-list > div {
    border-left: 2px solid var(--copper);
    padding-left: 20px;
}

.academic-panel-wide {
    grid-column: 1 / -1;
}

.service-grid {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 70px;
}

.service-grid h4 {
    font-size: 15px;
    margin-bottom: 13px;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.tag-cloud > span {
    font-size: 14px;
    color: var(--muted);
    border: 1px solid var(--line);
    padding: 4px 9px;
    border-radius: 3px;
}

.teaching-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 75px;
    align-items: center;
}

.teaching-list {
    display: grid;
    gap: 30px;
}

.teaching-list h3 {
    font-size: 18px;
    margin-bottom: 14px;
}

.teaching-list ul {
    color: var(--muted);
    font-size: 16px;
}

.teaching-image img {
    width: 100%;
    height: auto;
    border-radius: 2px;
}

.teaching-image figcaption {
    border-left: 2px solid var(--copper);
    padding-left: 22px;
    margin-top: 25px;
    color: var(--muted);
    font-family: var(--serif);
    font-size: 20px;
    line-height: 1.7;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 36px 40px;
}

.skill-group {
    min-width: 0;
    border-top: 1px solid var(--line);
    padding-top: 20px;
}

.skill-group h3 {
    font-size: 17px;
    margin-bottom: 16px;
}

.contact-section {
    padding-block: 80px;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 90px;
    align-items: center;
}

.contact-layout h2 {
    font-size: 42px;
    margin-bottom: 19px;
}

.contact-layout p:not(.eyebrow) {
    font-size: 16px;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    margin-top: 23px;
    color: var(--accent);
    font-size: 23px;
    text-decoration: none;
    border-bottom: 1px solid var(--accent);
    padding-bottom: 6px;
}

.contact-email:hover .icon {
    transform: rotate(45deg) translateY(-3px);
}

.contact-form { display: grid; gap: 20px; min-width: 0; }
.contact-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form label { display: grid; gap: 8px; font-size: 16px; color: var(--heading); min-width: 0; }
.contact-form input, .contact-form textarea {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 12px 14px;
    color: var(--ink);
    background: var(--panel);
    font-size: 17px;
}
.contact-form textarea { resize: vertical; min-height: 170px; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); }
.contact-form .contact-privacy { font-size: 14px; line-height: 1.6; }
.contact-form .button { justify-self: start; cursor: pointer; }
.contact-form .button:disabled { opacity: .65; cursor: wait; transform: none; }
.form-honeypot { display: none; }
#contactStatus { color: var(--accent); font-size: 15px; }

.site-footer {
    border-top: 1px solid var(--line);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-block: 27px;
}

.footer-inner > div:first-child {
    display: grid;
    gap: 3px;
}

.footer-inner strong {
    font-size: 15px;
    font-weight: 600;
}

.footer-inner > div:first-child > span, .copyright {
    color: var(--muted);
    font-size: 13px;
}

.footer-links {
    display: flex;
    gap: 12px;
}

.footer-links a {
    display: flex;
    width: 36px;
    height: 36px;
    justify-content: center;
    align-items: center;
    color: var(--muted);
    border-radius: 50%;
}

.footer-links a:hover {
    color: var(--accent);
    background: var(--accent-soft);
}

.footer-links .icon, .footer-links .icon svg {
    width: 16px;
    height: 16px;
}

@media (min-width: 1500px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr) 360px;
    }

    .hero {
        padding-block: 58px 52px;
    }
}

@media (max-width: 1100px) {
    .hero-inner { grid-template-columns: minmax(0, 1fr) 290px; gap: 0 40px; }
    .header-inner {
        gap: 20px;
    }

    .brand-name {
        display: none;
    }

    .primary-nav {
        gap: 24px;
    }

    .hero-grid {
        gap: 50px;
        grid-template-columns: minmax(0, 1fr) 290px;
    }

    .hero-title {
        font-size: 76px;
    }

    .hero-actions {
        gap: 10px 18px;
    }

    .work-item {
        grid-template-columns: 135px minmax(0, 1fr) 230px;
        gap: 25px;
    }

    .calculator-layout {
        gap: 38px;
    }

    .capability-grid, .education-grid {
        gap: 22px;
    }

    .evidence-grid > div {
        padding-inline: 18px;
    }

    .evidence-grid strong {
        font-size: 16px;
    }
}

@media (max-width: 800px) {
    :root {
        --header-h: 68px;
    }

    .wrap {
        width: calc(100% - 48px);
    }

    .brand-name {
        display: inline;
    }

    .header-actions {
        margin-left: auto;
        gap: 6px;
    }

    .primary-nav {
        display: none;
    }

    .calculator-nav {
        border: 0;
        padding-left: 0;
        margin-right: 8px;
        font-size: 14px;
    }

    .menu-button {
        display: inline-flex;
    }

    .mobile-menu {
        display: block;
        position: absolute;
        top: 100%;
        inset-inline: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--line);
        max-height: calc(100dvh - var(--header-h));
        overflow: auto;
    }

    .mobile-menu-inner {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3px 20px;
        padding-block: 20px;
    }

    .mobile-menu a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-block: 11px;
        color: var(--ink);
        text-decoration: none;
        font-size: 17px;
    }

    .mobile-menu a:hover {
        color: var(--accent);
    }

    .mobile-menu .mobile-calculator {
        grid-column: 1 / -1;
        color: var(--accent);
        border-block: 1px solid var(--line);
        margin-block: 5px;
    }

    .hero {
        padding-block: 35px;
    }

    .hero-title {
        font-size: 62px;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1fr) 240px;
        gap: 30px;
    }

    .hero-statement {
        font-size: 25px;
    }

    .hero-lede {
        font-size: 17px;
    }

    .hero-actions {
        gap: 8px 18px;
    }

    .hero-actions .button {
        flex-basis: 100%;
        max-width: 165px;
    }

    .hero-location {
        display: block;
    }

    .evidence-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px 0;
    }

    .evidence-grid > div:nth-child(3) {
        border: 0;
        padding-left: 0;
    }

    .section {
        padding-block: 60px;
    }

    h2, .calculator-copy h2 {
        font-size: 34px;
    }

    .calculator-layout { gap: 32px; }

    .calculator-visual figcaption {
        display: block;
    }

    .calculator-visual figcaption span {
        display: block;
    }

    .capability-grid, .education-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 32px;
    }

    .work-item {
        grid-template-columns: 125px minmax(0, 1fr);
        gap: 20px;
    }

    .work-image {
        display: none;
    }

    .split-heading {
        align-items: start;
        flex-direction: column;
    }

    .pub-controls {
        width: 100%;
        grid-template-columns: minmax(0, 1fr) 125px;
    }

    .publication {
        grid-template-columns: 54px minmax(0, 1fr);
        gap: 8px 20px;
    }

    .pub-links {
        grid-column: 2;
        padding-top: 0;
    }

    .academic-layout, .service-grid {
        gap: 32px;
    }

    .teaching-layout {
        gap: 35px;
    }

    .teaching-image figcaption {
        font-size: 21px;
    }

    .skills-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 30px;
    }

    .contact-layout {
        gap: 40px;
        grid-template-columns: 1.2fr 1fr;
    }

    .contact-layout h2 {
        font-size: 32px;
    }

    .contact-email {
        font-size: 20px;
    }
}

@media (max-width: 560px) {
    .contact-fields { grid-template-columns: 1fr; }
    .wrap {
        width: calc(100% - 40px);
    }

    .brand-name {
        font-size: 15px;
    }

    .brand {
        gap: 10px;
    }

    .calculator-nav {
        display: none;
    }

    .hero {
        padding-block: 28px 32px;
    }

    .hero-heading {
        padding-bottom: 24px;
    }

    .hero-heading .eyebrow {
        font-size: 12px;
        max-width: 320px;
        line-height: 1.9;
        margin-bottom: 12px;
    }

    .eyebrow > span {
        margin-inline: 4px;
    }

    .hero-title {
        font-size: 46px;
        max-width: 420px;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1fr) 140px;
        gap: 0 18px;
    }

    .hero-copy {
        display: contents;
    }

    .hero-statement {
        grid-column: 1;
        align-self: center;
        font-size: 23px;
        margin-bottom: 0;
    }

    .profile-panel {
        grid-column: 2;
        grid-row: 1;
    }

    .profile-panel figcaption {
        display: none;
    }

    .hero-lede {
        grid-column: 1 / -1;
        margin-top: 20px;
        font-size: 17px;
    }

    .hero-location {
        grid-column: 1 / -1;
        font-size: 13px;
        margin-top: 12px;
    }

    .hero-actions {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3px 15px;
        margin-top: 20px;
    }

    .hero-actions .button {
        grid-column: 1 / -1;
        max-width: none;
        justify-self: start;
        margin-bottom: 6px;
    }

    .hero-actions .text-link {
        font-size: 14px;
    }

    .social-links {
        grid-column: 1 / -1;
        margin-top: 12px;
        gap: 24px;
    }

    .evidence-grid {
        padding-block: 22px;
        gap: 20px 0;
    }

    .evidence-grid > div {
        padding-inline: 14px;
    }

    .evidence-grid strong {
        font-size: 15px;
    }

    .evidence-grid span {
        font-size: 13px;
    }

    .evidence-grid .evidence-label {
        font-size: 12px;
    }

    .section {
        padding-block: 48px;
    }

    .section-heading {
        margin-bottom: 28px;
    }

    h2, .calculator-copy h2 {
        font-size: 32px;
    }

    .calculator-feature {
        padding-block: 42px;
    }

    .calculator-layout {
        grid-template-columns: 1fr;
        gap: 27px;
    }

    .calculator-visual figcaption {
        margin-top: 12px;
    }

    .capability-grid, .education-grid {
        gap: 28px 20px;
    }

    .capability-card img {
        margin-bottom: 16px;
    }

    .capability-card h3 {
        font-size: 18px;
    }

    .capability-card p {
        font-size: 15px;
    }

    .work-item {
        grid-template-columns: 1fr;
        gap: 12px;
        padding-block: 26px;
    }

    .work-date {
        color: var(--copper);
        font-size: 14px;
    }

    .work-title h3 {
        font-size: 21px;
    }

    .work-body ul {
        font-size: 15px;
    }

    .education-card h3 {
        font-size: 18px;
    }

    .education-card ul {
        font-size: 14px;
    }

    .publication {
        grid-template-columns: 1fr;
        gap: 7px;
    }

    .publication-year {
        font-size: 20px;
        margin-bottom: 3px;
    }

    .publication h3 {
        font-size: 19px;
    }

    .pub-links, .bibtex {
        grid-column: 1;
    }

    .pub-links {
        margin-top: 8px;
    }

    .pub-link {
        min-height: 40px;
        padding-inline: 12px;
    }

    .academic-layout, .service-grid, .teaching-layout, .contact-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .skills-grid {
        gap: 25px 20px;
    }

    .skill-group h3 {
        font-size: 16px;
    }

    .tag-cloud {
        gap: 6px;
    }

    .tag-cloud > span {
        padding: 3px 7px;
        font-size: 13px;
        overflow-wrap: anywhere;
    }

    .contact-section {
        padding-block: 48px;
    }

    .footer-inner {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 15px;
        padding-block: 24px;
    }

    .footer-links {
        grid-row: 2;
        grid-column: 1 / -1;
        gap: 9px;
    }

    .copyright {
        grid-column: 2;
        grid-row: 1;
    }
}

@media (max-width: 360px) {
    .hero-title {
        font-size: 40px;
    }

    .hero-statement {
        font-size: 20px;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1fr) 112px;
        gap: 0 12px;
    }

    .capability-grid, .education-grid, .skills-grid {
        grid-template-columns: 1fr;
    }

    .capability-card img {
        max-width: 230px;
    }
}

@media (max-width: 800px) {
    .calculator-copy h2 { font-size: 36px; }
    .calculator-copy p:not(.eyebrow) { font-size: 17px; }
    .trajectory-grid { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .work-image { display: block; grid-column: 2; max-width: 360px; }
}

@media (max-width: 560px) {
    .profile-panel { display: contents; }
    .hero { padding-block: 20px 24px; }
    .hero-heading { padding-bottom: 16px; }
    .profile-panel figure { grid-column: 2; grid-row: 1; }
    .profile-documents { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 0 24px; margin-top: 20px; }
    .profile-documents a { flex: 1 1 140px; font-size: 14px; border-bottom: 1px solid var(--line); }
    .profile-documents small { display: none; }
    .hero-actions { display: flex; }
    .hero-lede { font-size: 18px; line-height: 1.65; margin-top: 16px; }
    .hero-location { font-size: 14px; }
    .hero-heading .eyebrow { font-size: 12px; }
    .work-image { grid-column: 1; max-width: none; margin-top: 8px; }
    .education-grid, .skills-grid { grid-template-columns: 1fr; }
    .education-card h3, .skill-group h3 { font-size: 19px; }
    .education-card ul { font-size: 16px; }
    .work-body ul { font-size: 16px; }
    .hero-grid { row-gap: 0; }
    .contact-layout h2 { font-size: 34px; }
}

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

    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
}