:root {
    color-scheme: dark;
    --canvas: #070909;
    --surface: #0d1414;
    --surface-raised: #111b1a;
    --text: #f5f5f2;
    --muted: #c4cbc8;
    --quiet: #98a5a1;
    --rule: #24312f;
    --rule-strong: #3d5551;
    --accent: #8ec8c8;
    --accent-strong: #b1dfdf;
    --accent-deep: #0b3b3b;
    --accent-soft: rgba(142, 200, 200, 0.1);
    --font-sans: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    --shell: 1120px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    scroll-behavior: smooth;
    background: var(--canvas);
    font-size: 18px;
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    background: var(--canvas);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 19px;
    line-height: 1.62;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
}

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

::selection {
    background: var(--text);
    color: var(--canvas);
}

:focus-visible {
    outline: 2px solid var(--text);
    outline-offset: 4px;
}

.shell {
    width: min(calc(100% - 48px), var(--shell));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1000;
    padding: 10px 14px;
    background: var(--text);
    color: var(--canvas);
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none;
    transform: translateY(-150%);
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--rule);
    background: rgba(7, 9, 9, 0.96);
    backdrop-filter: blur(18px);
}

.header-primary {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.wordmark {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.wordmark-mark {
    width: 34px;
    height: 34px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--rule-strong);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: -0.04em;
}

.wordmark-name {
    font-size: 1rem;
    font-weight: 650;
    letter-spacing: -0.02em;
}

.utility-nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

.utility-nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 150ms ease;
}

.utility-nav a:hover {
    color: var(--text);
}

.tab-strip {
    border-top: 1px solid var(--rule);
}

.tablist {
    display: flex;
    gap: 34px;
    overflow-x: auto;
    scrollbar-width: none;
}

.tablist::-webkit-scrollbar {
    display: none;
}

.tab {
    position: relative;
    min-height: 56px;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    color: var(--quiet);
    font-size: 0.95rem;
    font-weight: 650;
    letter-spacing: 0.01em;
    text-decoration: none;
    transition: color 150ms ease;
}

.tab::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 1px;
    background: var(--text);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 150ms ease;
}

.tab:hover,
.tab[aria-selected="true"] {
    color: var(--text);
}

.tab[aria-selected="true"]::after {
    transform: scaleX(1);
}

.site-main {
    min-height: calc(100vh - 178px);
}

.tab-panel {
    padding: 92px 0 112px;
}

.tab-panel[hidden] {
    display: none;
}

.tab-panel.is-entering {
    animation: panel-in 180ms ease both;
}

@keyframes panel-in {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-meta,
.project-meta,
.research-year,
.experience-date,
.research-status {
    font-size: 0.9rem;
    line-height: 1.5;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: end;
    gap: clamp(48px, 8vw, 112px);
}

.hero h1,
.page-intro h1 {
    margin: 0;
    color: var(--text);
    font-size: clamp(3rem, 8vw, 6.4rem);
    font-weight: 600;
    letter-spacing: -0.065em;
    line-height: 0.94;
}

.hero-lead {
    max-width: 760px;
    margin: 42px 0 0;
    color: var(--text);
    font-size: clamp(1.35rem, 2.5vw, 1.8rem);
    letter-spacing: -0.025em;
    line-height: 1.42;
}

.hero-context {
    max-width: 680px;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 1rem;
}

.hero-actions,
.cv-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 34px;
}

.button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border: 1px solid var(--rule-strong);
    border-radius: 2px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
}

.button:hover {
    border-color: var(--text);
    background: var(--surface);
}

.button-solid {
    border-color: var(--text);
    background: var(--text);
    color: var(--canvas);
}

.button-solid:hover {
    background: transparent;
    color: var(--text);
}

.portrait-frame {
    margin: 0;
}

.portrait-frame img {
    width: 250px;
    height: auto;
    border: 1px solid var(--rule);
}

.portrait-frame figcaption {
    margin-top: 12px;
    color: var(--quiet);
    font-size: 0.9rem;
}

.content-section {
    margin-top: 112px;
}

.page-intro + .content-section {
    margin-top: 64px;
}

.section-heading,
.project-heading {
    margin-bottom: 36px;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 32px;
}

.section-heading h2,
.project-heading h2,
.split-section h2,
.cv-section h2,
.cv-sidebar h2 {
    margin: 0;
    font-size: clamp(2rem, 3.5vw, 2.55rem);
    font-weight: 550;
    letter-spacing: -0.045em;
    line-height: 1.1;
}

.text-button,
.row-link,
.artifact-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0;
    border: 0;
    border-bottom: 1px solid var(--rule-strong);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 650;
    text-decoration: none;
    transition: border-color 150ms ease, color 150ms ease;
}

.text-button:hover,
.row-link:hover,
.artifact-link:hover {
    border-color: var(--text);
    color: var(--text);
}

.feature-list,
.research-list,
.experience-list,
.project-list {
    border-top: 1px solid var(--rule);
}

.feature-row {
    min-height: 174px;
    display: grid;
    grid-template-columns: 178px minmax(0, 1fr) 130px;
    gap: 30px;
    align-items: start;
    padding: 30px 0;
    border-bottom: 1px solid var(--rule);
    transition: background 150ms ease;
}

.feature-row:hover {
    background: var(--surface);
    box-shadow: 18px 0 var(--surface), -18px 0 var(--surface);
}

.feature-meta {
    margin: 5px 0 0;
    color: var(--muted);
}

.feature-row h3,
.focus-grid h3,
.research-row h3,
.project-row h3,
.experience-row h3,
.cv-entry h3 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 620;
    letter-spacing: -0.025em;
    line-height: 1.35;
}

.feature-row p:not(.feature-meta) {
    max-width: 680px;
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 1rem;
}

.feature-status {
    padding-top: 6px;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.5;
    text-align: right;
}

.split-section {
    display: grid;
    grid-template-columns: minmax(190px, 0.7fr) 2fr;
    gap: clamp(48px, 9vw, 120px);
    padding-top: 50px;
    border-top: 1px solid var(--rule);
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 34px;
}

.focus-grid p {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 1rem;
}

.page-intro {
    max-width: 960px;
    padding-bottom: 82px;
    border-bottom: 1px solid var(--rule);
}

.page-intro h1 {
    font-size: clamp(3rem, 7vw, 5.8rem);
}

.page-intro > p:last-child,
.cv-intro > div > p:last-child {
    max-width: 720px;
    margin: 38px 0 0;
    color: var(--muted);
    font-size: clamp(1.2rem, 2vw, 1.5rem);
}

.research-row {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr) 155px;
    gap: 38px;
    padding: 38px 0 44px;
    border-bottom: 1px solid var(--rule);
}

.research-year {
    color: var(--muted);
}

.research-status {
    margin: 0 0 12px;
    color: var(--muted);
}

.research-row h3 {
    font-size: 1.55rem;
}

.research-byline {
    margin: 8px 0 18px;
    color: var(--muted);
    font-size: 0.95rem;
}

.research-body > p:last-of-type {
    max-width: 700px;
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
}

.method-list,
.tech-list,
.experience-tech {
    margin: 20px 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 7px 16px;
    list-style: none;
}

.method-list li,
.tech-list li,
.experience-tech li {
    color: var(--muted);
    font-size: 0.9rem;
}

.artifact-note {
    color: var(--muted);
    font-size: 0.9rem;
    text-align: right;
}

.project-heading {
    align-items: start;
}

.project-filters {
    max-width: 600px;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}

.project-filters button {
    min-height: 44px;
    padding: 8px 12px;
    border: 1px solid var(--rule);
    border-radius: 2px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 650;
    transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
}

.project-filters button:hover {
    border-color: var(--rule-strong);
    color: var(--text);
}

.project-filters button[aria-pressed="true"] {
    border-color: var(--text);
    background: var(--text);
    color: var(--canvas);
}

.filter-status {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.project-row {
    min-height: 180px;
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr) 118px;
    gap: 34px;
    padding: 30px 0;
    border-bottom: 1px solid var(--rule);
    transition: background 150ms ease;
}

.project-row:hover {
    background: var(--surface);
    box-shadow: 18px 0 var(--surface), -18px 0 var(--surface);
}

.project-row[hidden] {
    display: none;
}

.project-meta {
    display: flex;
    flex-direction: column;
    gap: 5px;
    color: var(--muted);
}

.project-main h3 {
    font-size: 1.4rem;
}

.project-main > p {
    max-width: 700px;
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 1rem;
}

.project-links {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.project-links a {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    border-bottom: 1px solid transparent;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 650;
    text-decoration: none;
}

.project-links a:hover {
    border-color: var(--text);
    color: var(--text);
}

.archive-link {
    margin: 34px 0 0;
    color: var(--muted);
    font-size: 1rem;
}

.archive-link a {
    color: var(--text);
    text-underline-offset: 4px;
}

.experience-row {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr) 160px;
    gap: 38px;
    padding: 38px 0 44px;
    border-bottom: 1px solid var(--rule);
}

.experience-date {
    color: var(--muted);
    line-height: 1.6;
}

.experience-org {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 0.95rem;
}

.experience-row h3 {
    font-size: 1.45rem;
}

.experience-body ul {
    margin: 20px 0 0;
    padding-left: 18px;
    color: var(--muted);
}

.experience-body li {
    margin-top: 10px;
    padding-left: 6px;
    font-size: 1rem;
}

.experience-tech {
    align-content: flex-start;
    justify-content: flex-end;
    margin: 0;
    text-align: right;
}

.cv-intro {
    max-width: none;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 60px;
}

.cv-intro > div:first-child {
    max-width: 820px;
}

.cv-actions {
    flex: 0 0 auto;
    justify-content: flex-end;
    margin: 0;
}

.cv-layout {
    margin-top: 92px;
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, 0.72fr);
    gap: 84px;
}

.cv-section + .cv-section {
    margin-top: 84px;
}

.cv-section h2,
.cv-sidebar h2 {
    margin-bottom: 34px;
}

.cv-entry {
    padding: 28px 0;
    border-top: 1px solid var(--rule);
}

.cv-entry:last-child {
    border-bottom: 1px solid var(--rule);
}

.cv-entry-heading {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.cv-entry-heading > p {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.65;
    text-align: right;
}

.cv-entry h3 {
    font-size: 1.3rem;
}

.cv-entry h3 + p,
.cv-entry > p {
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 1rem;
}

.cv-entry .muted {
    margin-top: 16px;
    color: var(--quiet);
}

.recognition-list {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--rule);
    list-style: none;
}

.recognition-list li {
    min-height: 86px;
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr) 54px;
    gap: 24px;
    align-items: center;
    border-bottom: 1px solid var(--rule);
}

.recognition-list span,
.recognition-list time {
    color: var(--muted);
    font-size: 0.9rem;
}

.recognition-list strong {
    font-size: 1rem;
    font-weight: 580;
}

.recognition-list time {
    text-align: right;
}

.cv-sidebar {
    padding-left: 36px;
    border-left: 1px solid var(--rule);
}

.skill-groups {
    margin: 0;
}

.skill-groups div {
    padding: 20px 0;
    border-top: 1px solid var(--rule);
}

.skill-groups div:last-child {
    border-bottom: 1px solid var(--rule);
}

.skill-groups dt {
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 650;
}

.skill-groups dd {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.contact-block {
    margin-top: 72px;
}

.contact-block ul {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--rule);
    list-style: none;
}

.contact-block li {
    border-bottom: 1px solid var(--rule);
}

.contact-block a {
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--muted);
    font-size: 0.9rem;
    text-decoration: none;
}

.contact-block a:hover {
    color: var(--text);
}

.contact-value {
    max-width: 72%;
    overflow-wrap: anywhere;
    color: var(--quiet);
    text-align: right;
}

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

.footer-inner {
    min-height: 110px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    color: var(--quiet);
    font-size: 0.9rem;
}

.footer-inner p {
    margin: 0;
}

.footer-inner a {
    justify-self: end;
    color: var(--muted);
    text-decoration: none;
}

.footer-inner a:hover {
    color: var(--text);
}

.noscript-note {
    padding: 16px 24px;
    border-top: 1px solid var(--rule);
    color: var(--muted);
    font-size: 0.9rem;
    text-align: center;
}

@media (max-width: 920px) {
    .hero {
        grid-template-columns: minmax(0, 1fr) 210px;
        gap: 54px;
    }

    .portrait-frame img {
        width: 210px;
    }

    .focus-grid {
        grid-template-columns: 1fr;
    }

    .research-row,
    .experience-row {
        grid-template-columns: 120px minmax(0, 1fr);
    }

    .artifact-note,
    .artifact-link,
    .experience-tech {
        grid-column: 2;
        justify-content: flex-start;
        text-align: left;
    }

    .project-heading {
        display: block;
    }

    .project-filters {
        margin-top: 24px;
        justify-content: flex-start;
    }

    .cv-intro {
        display: block;
    }

    .cv-actions {
        justify-content: flex-start;
        margin-top: 34px;
    }

    .cv-layout {
        grid-template-columns: 1fr;
        gap: 84px;
    }

    .cv-sidebar {
        padding: 0;
        border-left: 0;
    }

    .cv-sidebar > section:first-child {
        padding-top: 50px;
        border-top: 1px solid var(--rule);
    }
}

@media (max-width: 700px) {
    .shell {
        width: min(calc(100% - 32px), var(--shell));
    }

    .header-primary {
        min-height: 64px;
    }

    .wordmark-name {
        display: none;
    }

    .utility-nav {
        gap: 16px;
    }

    .utility-nav a {
        font-size: 0.9rem;
    }

    .tablist {
        width: 100%;
        padding: 0 16px;
        gap: 26px;
    }

    .tab-panel {
        padding: 70px 0 88px;
    }

    .hero {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 46px;
    }

    .hero-copy {
        display: contents;
    }

    .hero-copy h1,
    .hero-lead,
    .hero-context,
    .hero-actions {
        order: 1;
    }

    .portrait-frame {
        order: 0;
        width: 128px;
    }

    .portrait-frame img {
        width: 128px;
    }

    .portrait-frame figcaption {
        display: none;
    }

    .hero h1,
    .page-intro h1 {
        font-size: clamp(2.1rem, 10.8vw, 4.2rem);
    }

    .hero-lead {
        margin-top: 30px;
    }

    .content-section {
        margin-top: 84px;
    }

    .page-intro + .content-section {
        margin-top: 48px;
    }

    .section-heading {
        align-items: start;
    }

    .section-heading .text-button {
        flex: 0 0 auto;
    }

    .feature-row,
    .project-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .feature-status,
    .project-links {
        justify-content: flex-start;
        align-items: flex-start;
        text-align: left;
    }

    .project-links {
        flex-direction: row;
        gap: 18px;
    }

    .split-section {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .page-intro {
        padding-bottom: 64px;
    }

    .research-row,
    .experience-row {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .artifact-note,
    .artifact-link,
    .experience-tech {
        grid-column: auto;
    }

    .experience-tech {
        justify-content: flex-start;
    }

    .project-filters {
        flex-wrap: nowrap;
        margin-right: -16px;
        padding-right: 16px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .project-filters::-webkit-scrollbar {
        display: none;
    }

    .project-filters button {
        flex: 0 0 auto;
    }

    .cv-entry-heading {
        display: block;
    }

    .cv-entry-heading > p {
        margin-top: 12px;
        text-align: left;
    }

    .recognition-list li {
        grid-template-columns: 1fr auto;
        gap: 8px 18px;
        padding: 18px 0;
    }

    .recognition-list strong {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .recognition-list time {
        grid-column: 2;
        grid-row: 1;
    }

    .footer-inner {
        min-height: 130px;
        grid-template-columns: 1fr auto;
    }

}

@media (max-width: 420px) {
    .utility-nav a span {
        display: none;
    }

    .hero-actions,
    .cv-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .section-heading {
        display: block;
    }

    .section-heading .text-button {
        margin-top: 20px;
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

/* Institutional portfolio direction: restrained teal, formal spacing, flat lists. */

body {
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1000;
    border: 10px solid rgba(142, 200, 200, 0.16);
    pointer-events: none;
}

.site-header {
    border-bottom-color: var(--rule-strong);
    box-shadow: 0 1px 0 rgba(142, 200, 200, 0.05);
}

.header-primary {
    min-height: 82px;
}

.wordmark {
    flex: 0 0 auto;
    color: var(--text);
}

.wordmark-mark {
    width: 44px;
    height: 44px;
    border-color: var(--accent);
    background: var(--accent-deep);
    color: var(--accent-strong);
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.wordmark-name {
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.header-navigation {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(24px, 3vw, 42px);
}

.header-navigation .tab-strip {
    min-width: 0;
    border: 0;
}

.header-navigation .tablist {
    gap: clamp(17px, 2vw, 28px);
}

.tab {
    min-height: 82px;
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 600;
}

.tab::after {
    height: 3px;
    background: var(--accent);
}

.tab:hover,
.tab[aria-selected="true"] {
    color: var(--accent-strong);
}

.utility-nav {
    flex: 0 0 auto;
    gap: 18px;
    padding-left: clamp(18px, 2.5vw, 32px);
    border-left: 1px solid var(--rule-strong);
}

.utility-nav a {
    gap: 8px;
    color: var(--muted);
    font-size: 0.9rem;
}

.utility-nav a:hover {
    color: var(--accent-strong);
}

.social-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
}

.button-icon,
.contact-label {
    display: inline-flex;
    align-items: center;
    gap: 9px;
}

.tab-panel {
    padding: 86px 0 120px;
}

.hero {
    grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.48fr);
    align-items: start;
    gap: clamp(34px, 6vw, 76px);
}

.hero-copy {
    grid-column: 2;
    min-height: 100%;
    padding: clamp(34px, 5vw, 64px);
    border-top: 5px solid var(--accent);
    background: var(--surface);
}

.hero h1 {
    color: var(--accent-strong);
    font-size: clamp(2.7rem, 5vw, 4.65rem);
    font-weight: 600;
    letter-spacing: -0.055em;
    line-height: 0.98;
}

.hero-lead {
    max-width: 700px;
    margin-top: 30px;
    font-size: clamp(1.16rem, 2vw, 1.48rem);
    line-height: 1.5;
}

.hero-context {
    max-width: 650px;
    margin-top: 20px;
    color: var(--muted);
    font-size: 1rem;
}

.portrait-frame {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
}

.portrait-frame img {
    width: 100%;
    max-width: none;
    aspect-ratio: 1;
    border: 0;
    object-fit: cover;
    object-position: center 22%;
}

.portrait-frame figcaption {
    margin-top: 14px;
    color: var(--accent);
    font-size: 0.9rem;
}

.button {
    min-height: 48px;
    padding: 11px 17px;
    border-color: var(--rule-strong);
    border-radius: 3px;
    color: var(--text);
}

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

.button-solid,
.button-accent {
    border-color: var(--accent);
    background: var(--accent);
    color: #071010;
}

.button-solid:hover,
.button-accent:hover {
    border-color: var(--accent-strong);
    background: var(--accent-strong);
    color: #071010;
}

.section-cta {
    min-height: 52px;
    padding-inline: 21px;
    font-size: 0.96rem;
    white-space: nowrap;
}

.content-section {
    margin-top: 104px;
}

.page-intro + .content-section {
    margin-top: 58px;
}

.section-heading,
.project-heading {
    margin-bottom: 30px;
}

.section-heading h2,
.project-heading h2,
.split-section h2,
.cv-section h2,
.cv-sidebar h2 {
    color: var(--accent-strong);
    font-size: clamp(1.85rem, 3.2vw, 2.35rem);
    letter-spacing: -0.035em;
}

.feature-list,
.research-list,
.experience-list,
.project-list,
.recognition-list {
    border-top: 2px solid var(--rule-strong);
}

.feature-row,
.research-row,
.experience-row,
.project-row,
.cv-entry,
.recognition-list li {
    border-bottom-color: var(--rule);
}

.feature-row:hover,
.project-row:hover {
    background: var(--accent-soft);
    box-shadow: 18px 0 var(--accent-soft), -18px 0 var(--accent-soft);
}

.feature-meta,
.research-year,
.research-status,
.experience-date,
.project-meta,
.experience-org,
.recognition-list span,
.recognition-list time {
    color: var(--accent);
}

.feature-row h3,
.focus-grid h3,
.research-row h3,
.project-row h3,
.experience-row h3,
.cv-entry h3 {
    color: var(--text);
}

.feature-status,
.research-byline {
    color: var(--muted);
}

.text-button,
.row-link,
.artifact-link,
.project-links a,
.archive-link a,
.footer-inner a {
    color: var(--accent);
}

.text-button:hover,
.row-link:hover,
.artifact-link:hover,
.project-links a:hover,
.archive-link a:hover,
.footer-inner a:hover {
    color: var(--accent-strong);
}

.split-section {
    border-top: 2px solid var(--rule-strong);
}

.focus-grid {
    gap: 38px;
}

.focus-grid h3 {
    color: var(--accent-strong);
}

.page-intro {
    max-width: none;
    padding: clamp(32px, 5vw, 56px);
    border-bottom: 0;
    border-left: 5px solid var(--accent);
    background: var(--surface);
}

.page-intro h1 {
    color: var(--accent-strong);
    font-size: clamp(2.7rem, 6vw, 4.75rem);
    letter-spacing: -0.05em;
}

.page-intro > p:last-child,
.cv-intro > div > p:last-child {
    max-width: 780px;
    margin-top: 24px;
    color: var(--muted);
    font-size: clamp(1.08rem, 2vw, 1.32rem);
}

.method-list li,
.tech-list li,
.experience-tech li {
    color: var(--quiet);
}

.project-filters button {
    border-color: var(--rule-strong);
    color: var(--muted);
}

.project-filters button:hover {
    border-color: var(--accent);
    color: var(--accent-strong);
}

.project-filters button[aria-pressed="true"] {
    border-color: var(--accent);
    background: var(--accent);
    color: #071010;
}

.cv-entry-heading > p,
.cv-entry .muted,
.contact-value {
    color: var(--quiet);
}

.cv-sidebar {
    border-left-color: var(--rule-strong);
}

.skill-groups div,
.contact-block li {
    border-color: var(--rule);
}

.contact-block a:hover {
    color: var(--accent-strong);
}

.site-footer {
    border-top-color: var(--rule-strong);
    background: var(--surface);
}

.footer-inner {
    color: var(--quiet);
}

@media (max-width: 1080px) {
    .wordmark-name {
        display: none;
    }

    .header-navigation {
        gap: 24px;
    }

    .utility-nav {
        gap: 14px;
        padding-left: 22px;
    }
}

@media (max-width: 920px) {
    .header-primary {
        min-height: auto;
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        column-gap: 22px;
    }

    .wordmark {
        grid-column: 1;
        grid-row: 1;
        padding: 13px 0;
    }

    .header-navigation {
        display: contents;
    }

    .utility-nav {
        grid-column: 2;
        grid-row: 1;
        justify-self: end;
        padding-left: 0;
        border-left: 0;
    }

    .header-navigation .tab-strip {
        grid-column: 1 / -1;
        grid-row: 2;
        border-top: 1px solid var(--rule);
    }

    .header-navigation .tablist {
        gap: 32px;
    }

    .tab {
        min-height: 56px;
    }

    .hero {
        grid-template-columns: minmax(225px, 0.7fr) minmax(0, 1.3fr);
        gap: 34px;
    }

    .hero-copy {
        padding: 38px;
    }

    .portrait-frame img {
        width: 100%;
    }
}

@media (max-width: 700px) {
    body::before {
        border-width: 6px;
    }

    .header-primary {
        min-height: auto;
    }

    .utility-nav {
        gap: 12px;
    }

    .utility-nav a {
        font-size: 0.88rem;
    }

    .header-navigation .tablist {
        width: calc(100% + 32px);
        margin-inline: -16px;
        padding-inline: 16px;
        gap: 28px;
    }

    .tab-panel {
        padding: 62px 0 88px;
    }

    .hero {
        display: grid;
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .portrait-frame {
        grid-column: 1;
        grid-row: 1;
        width: min(76vw, 310px);
    }

    .portrait-frame img {
        width: 100%;
    }

    .hero-copy {
        grid-column: 1;
        grid-row: 2;
        display: block;
        padding: 30px 24px 34px;
    }

    .hero h1 {
        font-size: clamp(1.7rem, 9.8vw, 3.4rem);
        overflow-wrap: normal;
    }

    .hero-lead {
        margin-top: 24px;
        font-size: 1.13rem;
    }

    .hero-context {
        font-size: 1rem;
    }

    .content-section,
    .page-intro + .content-section {
        margin-top: 72px;
    }

    .page-intro + .content-section {
        margin-top: 44px;
    }

    .page-intro {
        padding: 30px 24px 34px;
        border-left-width: 4px;
    }

    .page-intro h1 {
        font-size: clamp(2.25rem, 11vw, 3.5rem);
    }

    .section-heading {
        gap: 24px;
    }

    .section-cta {
        flex: 0 0 auto;
    }
}

@media (max-width: 520px) {
    .section-heading {
        display: block;
    }

    .section-cta {
        width: 100%;
        margin-top: 24px;
    }
}

@media (max-width: 420px) {
    .header-primary {
        column-gap: 12px;
    }

    .utility-nav {
        gap: 14px;
    }

    .utility-nav .social-link {
        width: 24px;
        min-height: 44px;
        justify-content: center;
        overflow: hidden;
        font-size: 0;
    }

    .utility-nav .social-icon {
        width: 20px;
        height: 20px;
    }

    .hero h1 {
        font-size: clamp(1.5rem, 9.4vw, 2.25rem);
    }
}

@media print {
    :root {
        color-scheme: light;
        --canvas: #ffffff;
        --surface: #ffffff;
        --text: #111111;
        --muted: #333333;
        --quiet: #555555;
        --rule: #cccccc;
        --rule-strong: #999999;
        --accent: #2f6d6d;
        --accent-strong: #184e4e;
    }

    body {
        background: #ffffff;
        color: #111111;
        font-size: 10pt;
    }

    .site-header,
    .site-footer,
    .cv-actions,
    .noscript-note,
    .skip-link,
    body::before {
        display: none !important;
    }

    .shell {
        width: 100%;
        max-width: none;
    }

    .tab-panel,
    .tab-panel.is-active {
        display: none !important;
        padding: 0;
    }

    #panel-cv {
        display: block !important;
    }

    .page-intro {
        padding-bottom: 24px;
    }

    .page-intro h1 {
        font-size: 34pt;
    }

    .cv-layout {
        margin-top: 34px;
        grid-template-columns: 1.7fr 0.8fr;
        gap: 38px;
    }

    .cv-sidebar {
        padding-left: 24px;
    }

    .cv-section + .cv-section,
    .contact-block {
        margin-top: 38px;
        break-inside: avoid;
        page-break-inside: avoid;
    }

    a {
        text-decoration: none;
    }
}