/* Portfolio composition built on Vercel's published brand foundation. */
        .vbg-report {
            --ease-out: cubic-bezier(.23, 1, .32, 1);
            --ease-in-out: cubic-bezier(.77, 0, .175, 1);
            min-width: 320px;
            margin: 0;
            overflow-x: clip;
            background: var(--vbg-surface-primary, #fff);
            color: var(--vbg-text-primary, #171717);
            font-family: Geist, Arial, sans-serif;
            font-size: var(--vbg-type-body, 1rem);
            line-height: var(--vbg-leading-body, 1.5);
            transition: none;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }

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

        :where(.vbg-report) a {
            color: inherit;
            text-decoration: none;
        }

        :where(.vbg-report) button {
            color: inherit;
            font: inherit;
        }

        .vbg-report h1,
        .vbg-report h2,
        .vbg-report h3,
        .vbg-report p,
        .vbg-report figure {
            margin-top: 0;
        }

        .vbg-report::before,
        .hero::before,
        .contact::before,
        .project::after {
            display: none;
        }

        .vbg-report *,
        .vbg-report *::before,
        .vbg-report *::after {
            min-width: 0;
        }

        .vbg-report ::selection {
            background: var(--vbg-text-primary, #171717);
            color: var(--vbg-surface-primary, #fff);
        }

        .vbg-report :focus-visible {
            outline: 2px solid var(--vbg-focus, #0070f3);
            outline-offset: 3px;
        }

        .shell {
            width: min(calc(100% - 48px), 1200px);
            margin-inline: auto;
        }

        .section {
            padding-block: clamp(88px, 10vw, 144px);
        }

        .skip-link {
            position: fixed;
            top: var(--vbg-space-3, 12px);
            left: var(--vbg-space-3, 12px);
            z-index: 100;
            padding: var(--vbg-space-3, 12px) var(--vbg-space-4, 16px);
            border-radius: var(--vbg-radius-small, 6px);
            background: var(--vbg-surface-contrast, #000);
            color: var(--vbg-text-on-contrast, #fff);
            font-size: var(--vbg-type-compact, .875rem);
            font-weight: var(--vbg-weight-medium, 500);
            transform: translateY(-180%);
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            border: 0;
            background: color-mix(in srgb, var(--vbg-surface-primary, #fff) 88%, transparent);
            backdrop-filter: blur(16px);
        }

        .nav-shell {
            display: flex;
            min-height: 72px;
            align-items: center;
            justify-content: space-between;
            gap: var(--vbg-space-6, 24px);
            border-bottom: 1px solid var(--vbg-border-subtle, #ebebeb);
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 0;
            font-size: var(--vbg-type-body, 1rem);
            font-weight: var(--vbg-weight-semibold, 600);
            letter-spacing: -.02em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--vbg-space-6, 24px);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--vbg-space-3, 12px);
        }

        .nav-links a,
        .footer-links a {
            color: var(--vbg-text-secondary, #666);
            font-size: var(--vbg-type-compact, .875rem);
            font-weight: var(--vbg-weight-regular, 400);
        }

        .nav-links a::after {
            display: none;
        }

        .resume-link,
        .button {
            display: inline-flex;
            min-height: 44px;
            align-items: center;
            justify-content: center;
            padding: 0 var(--vbg-space-5, 20px);
            border: 1px solid var(--vbg-surface-contrast, #000);
            border-radius: var(--vbg-radius, 8px);
            background: var(--vbg-surface-contrast, #000);
            color: var(--vbg-text-on-contrast, #fff);
            font-size: var(--vbg-type-compact, .875rem);
            font-weight: var(--vbg-weight-medium, 500);
            line-height: 1;
            box-shadow: none;
            transform: none;
            transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease, transform 120ms var(--ease-out);
        }

        .button-secondary {
            border-color: var(--vbg-border-default, #d4d4d4);
            background: var(--vbg-surface-primary, #fff);
            color: var(--vbg-text-primary, #171717);
        }

        .resume-link:active,
        .button:active,
        .menu-toggle:active {
            transform: scale(.98);
        }

        .menu-toggle {
            position: relative;
            display: none;
            width: 44px;
            height: 44px;
            border-color: var(--vbg-border-default, #d4d4d4);
            border-radius: var(--vbg-radius-small, 6px);
            background: transparent;
            transition: transform 120ms var(--ease-out);
        }

        .menu-lines,
        .menu-lines::before,
        .menu-lines::after {
            position: absolute;
            left: 50%;
            width: 18px;
            height: 1px;
            background: currentColor;
            content: "";
            transform: translateX(-50%);
            transition: transform 140ms var(--ease-in-out);
        }

        .menu-lines {
            top: 50%;
        }

        .menu-lines::before {
            top: 0;
            transform: translate(-50%, -5px);
        }

        .menu-lines::after {
            top: 0;
            transform: translate(-50%, 5px);
        }

        .menu-toggle[aria-expanded="true"] .menu-lines {
            background: transparent;
        }

        .menu-toggle[aria-expanded="true"] .menu-lines::before {
            top: 0;
            transform: translateX(-50%) rotate(45deg);
        }

        .menu-toggle[aria-expanded="true"] .menu-lines::after {
            top: 0;
            transform: translateX(-50%) rotate(-45deg);
        }

        .hero {
            display: grid;
            min-height: calc(100svh - 72px);
            grid-template-columns: repeat(12, minmax(0, 1fr));
            align-items: center;
            gap: 0 24px;
            padding-block: clamp(72px, 10vw, 136px);
        }

        .hero-copy {
            grid-column: 1 / span 8;
            align-self: center;
        }

        .eyebrow,
        .section-kicker,
        .micro-label,
        .case-type,
        .capability-index,
        .project-index,
        .role-time,
        .signal-index,
        .research-note {
            color: var(--vbg-text-secondary, #666);
            font-family: Geist, Arial, sans-serif;
            font-size: var(--vbg-type-label, .875rem);
            font-weight: var(--vbg-weight-medium, 500);
            letter-spacing: 0;
            line-height: var(--vbg-leading-compact, 1.4);
            text-transform: none;
        }

        .section-kicker {
            display: block;
            margin: 0 0 var(--vbg-space-4, 16px);
        }

        .section-kicker::before,
        .status-dot {
            display: none;
        }

        .hero h1,
        h2,
        h3,
        .contact h2,
        .research-main h2,
        .experience-copy h2 {
            font-family: Geist, Arial, sans-serif;
            font-weight: var(--vbg-weight-semibold, 600);
            letter-spacing: -.045em;
        }

        .hero h1 {
            max-width: 820px;
            margin: var(--vbg-space-5, 20px) 0 var(--vbg-space-6, 24px);
            font-size: clamp(4.5rem, 8vw, 7rem);
            line-height: .92;
        }

        .hero h1 em,
        .contact h2 em {
            color: inherit;
            font-family: inherit;
            font-style: normal;
            font-weight: inherit;
        }

        .hero-summary {
            max-width: 64ch;
            margin: 0;
            color: var(--vbg-text-secondary, #666);
            font-size: var(--vbg-type-body, 1rem);
            line-height: var(--vbg-leading-body, 1.5);
        }

        .hero-profile {
            grid-column: 9 / -1;
            align-self: center;
            padding-top: 44px;
        }

        .hero-roles {
            margin: 0 0 var(--vbg-space-6, 24px);
            border-top: 1px solid var(--vbg-border-default, #d4d4d4);
        }

        .hero-role {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: baseline;
            gap: var(--vbg-space-4, 16px);
            padding: var(--vbg-space-4, 16px) 0;
            border-bottom: 1px solid var(--vbg-border-default, #d4d4d4);
        }

        .hero-role dt,
        .hero-role dd {
            margin: 0;
        }

        .hero-role dt {
            font-size: var(--vbg-type-body, 1rem);
            font-weight: var(--vbg-weight-medium, 500);
            letter-spacing: -.01em;
        }

        .hero-role dd {
            color: var(--vbg-text-secondary, #666);
            font-size: var(--vbg-type-compact, .875rem);
            text-align: right;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--vbg-space-3, 12px);
            margin-top: var(--vbg-space-8, 32px);
        }

        .proof {
            border-block: 1px solid var(--vbg-border-subtle, #ebebeb);
            background: transparent;
        }

        .proof-grid {
            display: grid;
            grid-template-columns: repeat(5, minmax(0, 1fr));
            gap: 0;
        }

        .proof-item {
            display: flex;
            flex-direction: column;
            min-height: 156px;
            padding: var(--vbg-space-6, 24px);
            border-right: 1px solid var(--vbg-border-subtle, #ebebeb);
            background: transparent;
        }

        .proof-item:last-child {
            border-right: 0;
        }

        .proof-value,
        .proof-value.long {
            color: var(--vbg-text-primary, #171717);
            font-family: Geist, Arial, sans-serif;
            font-size: clamp(1.5rem, 2.4vw, 2rem);
            font-weight: var(--vbg-weight-semibold, 600);
            letter-spacing: -.035em;
            line-height: 1.15;
            font-variant-numeric: tabular-nums;
        }

        .proof-label {
            max-width: 22ch;
            margin-top: auto;
            color: var(--vbg-text-secondary, #666);
            font-size: var(--vbg-type-compact, .875rem);
            line-height: var(--vbg-leading-compact, 1.4);
        }

        .section h2,
        .contact h2,
        .research-main h2,
        .experience-copy h2 {
            max-width: 820px;
            margin: 0 0 var(--vbg-space-5, 20px);
            font-size: clamp(2rem, 4vw, 3rem);
            line-height: 1.08;
        }

        .section-intro {
            max-width: 64ch;
            margin: 0 0 clamp(48px, 7vw, 80px);
            color: var(--vbg-text-secondary, #666);
            font-size: var(--vbg-type-lede, 1.25rem);
            line-height: var(--vbg-leading-lede, 1.5);
        }

        .case-study {
            display: grid;
            grid-template-columns: repeat(12, minmax(0, 1fr));
            gap: var(--vbg-space-6, 24px);
            padding-block: clamp(40px, 6vw, 72px);
            border: 0;
            border-top: 1px solid var(--vbg-border-default, #d4d4d4);
            border-radius: 0;
            background: transparent;
            box-shadow: none;
        }

        .case-study + .case-study {
            margin-top: 0;
        }

        .case-study > :first-child {
            grid-column: span 2;
        }

        .case-main {
            grid-column: span 7;
        }

        .case-outcome {
            grid-column: span 3;
            align-self: start;
            padding: 0 0 0 var(--vbg-space-6, 24px);
            border: 0;
            border-left: 1px solid var(--vbg-border-default, #d4d4d4);
            border-radius: 0;
            background: transparent;
        }

        .case-type {
            display: block;
        }

        .case-type {
            color: var(--vbg-text-primary, #171717);
        }

        .case-main h3 {
            max-width: 560px;
            margin-bottom: var(--vbg-space-4, 16px);
            font-size: var(--vbg-type-title, 2rem);
            line-height: var(--vbg-leading-title, 1.2);
        }

        .case-summary,
        .case-list,
        .capability p,
        .project p,
        .experience-copy p,
        .role-description,
        .about-copy,
        .research-main p {
            color: var(--vbg-text-secondary, #666);
            font-size: var(--vbg-type-body, 1rem);
            line-height: var(--vbg-leading-body, 1.5);
        }

        .case-summary {
            max-width: 62ch;
        }

        .pipeline {
            display: flex;
            align-items: center;
            margin: var(--vbg-space-6, 24px) 0;
            padding: var(--vbg-space-4, 16px) 0;
            border-block: 1px solid var(--vbg-border-subtle, #ebebeb);
            overflow-x: auto;
        }

        .pipeline-step {
            white-space: nowrap;
            font-family: "Geist Mono", monospace;
            font-size: var(--vbg-type-metadata, .75rem);
        }

        .pipeline-line {
            min-width: 20px;
            background: var(--vbg-border-strong, #a1a1a1);
        }

        .case-list {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: var(--vbg-space-3, 12px) var(--vbg-space-6, 24px);
            margin: var(--vbg-space-6, 24px) 0;
            padding: 0;
            list-style: none;
        }

        .case-list li {
            position: relative;
            padding-left: var(--vbg-space-4, 16px);
        }

        .case-list li::before {
            position: absolute;
            top: .68em;
            left: 0;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: currentColor;
            content: "";
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: var(--vbg-space-2, 8px);
        }

        .tag {
            padding: 0;
            border: 0;
            border-radius: 0;
            background: transparent;
            color: var(--vbg-text-secondary, #666);
            font-family: "Geist Mono", monospace;
            font-size: var(--vbg-type-metadata, .75rem);
            font-weight: var(--vbg-weight-regular, 400);
        }

        .tag:not(:last-child)::after {
            margin-left: var(--vbg-space-2, 8px);
            content: "·";
        }

        .case-outcome strong {
            display: block;
            margin: var(--vbg-space-4, 16px) 0 var(--vbg-space-2, 8px);
            color: var(--vbg-text-primary, #171717);
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: var(--vbg-weight-semibold, 600);
            letter-spacing: -.04em;
            line-height: 1.05;
            font-variant-numeric: tabular-nums;
        }

        .case-outcome p {
            color: var(--vbg-text-secondary, #666);
            font-size: var(--vbg-type-compact, .875rem);
            line-height: var(--vbg-leading-compact, 1.4);
        }

        .capabilities {
            padding-block: clamp(72px, 9vw, 112px);
            border-block: 1px solid var(--vbg-border-subtle, #ebebeb);
            background: var(--vbg-surface-secondary, #fafafa);
            color: var(--vbg-text-primary, #171717);
        }

        .capability-grid {
            display: grid;
            grid-template-columns: repeat(12, minmax(0, 1fr));
            gap: 0 24px;
            margin-top: clamp(40px, 6vw, 64px);
        }

        .capability {
            display: flex;
            flex-direction: column;
            grid-column: span 4;
            min-height: 220px;
            padding: var(--vbg-space-6, 24px) 0;
            border: 0;
            border-top: 1px solid var(--vbg-border-default, #d4d4d4);
        }

        .capability:nth-child(4),
        .capability:nth-child(5) {
            grid-column: span 6;
        }

        .capability:last-child {
            border-right: 0;
        }

        .capability h3 {
            max-width: 22ch;
            margin: auto 0 var(--vbg-space-3, 12px);
            font-size: var(--vbg-type-subsection, 1.25rem);
            line-height: var(--vbg-leading-subsection, 1.3);
        }

        .capability p {
            max-width: 42ch;
            margin: 0;
        }

        .experience-layout,
        .about-grid {
            display: grid;
            grid-template-columns: repeat(12, minmax(0, 1fr));
            gap: 24px;
        }

        .experience-copy,
        .about-grid > :first-child {
            grid-column: span 5;
            position: sticky;
            top: 112px;
            align-self: start;
        }

        .timeline,
        .signals {
            grid-column: 7 / -1;
        }

        .role {
            display: grid;
            grid-template-columns: 160px 1fr;
            gap: var(--vbg-space-6, 24px);
            padding: var(--vbg-space-8, 32px) 0;
            border: 0;
            border-top: 1px solid var(--vbg-border-default, #d4d4d4);
        }

        .role:last-child {
            border-bottom: 1px solid var(--vbg-border-default, #d4d4d4);
        }

        .role-undated > div {
            grid-column: 2;
        }

        .role h3 {
            margin-bottom: var(--vbg-space-2, 8px);
            font-size: var(--vbg-type-subsection, 1.25rem);
            line-height: var(--vbg-leading-subsection, 1.3);
        }

        .role-org {
            margin-bottom: var(--vbg-space-3, 12px);
            color: var(--vbg-text-primary, #171717);
            font-size: var(--vbg-type-compact, .875rem);
            font-weight: var(--vbg-weight-medium, 500);
        }

        .role-highlights {
            display: grid;
            gap: var(--vbg-space-3, 12px);
            margin: var(--vbg-space-5, 20px) 0;
            padding: 0;
            list-style: none;
        }

        .role-highlights li {
            position: relative;
            padding-left: var(--vbg-space-4, 16px);
            color: var(--vbg-text-secondary, #666);
            font-size: var(--vbg-type-compact, .875rem);
            line-height: var(--vbg-leading-body, 1.5);
        }

        .role-highlights li::before {
            position: absolute;
            top: .65em;
            left: 0;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: currentColor;
            content: "";
        }

        .role-highlights strong {
            color: var(--vbg-text-primary, #171717);
            font-weight: var(--vbg-weight-medium, 500);
        }

        .course-list {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 0 var(--vbg-space-5, 20px);
            margin-top: var(--vbg-space-5, 20px);
            border-top: 1px solid var(--vbg-border-subtle, #ebebeb);
        }

        .course-item {
            display: grid;
            gap: var(--vbg-space-1, 4px);
            padding: var(--vbg-space-4, 16px) 0;
            border-bottom: 1px solid var(--vbg-border-subtle, #ebebeb);
            transition: border-color 140ms ease;
        }

        .course-code {
            color: var(--vbg-text-secondary, #666);
            font-family: "Geist Mono", monospace;
            font-size: var(--vbg-type-metadata, .75rem);
        }

        .course-title {
            font-size: var(--vbg-type-compact, .875rem);
            font-weight: var(--vbg-weight-medium, 500);
        }

        .projects {
            border-top: 1px solid var(--vbg-border-subtle, #ebebeb);
        }

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

        .project,
        .project:nth-child(n) {
            display: flex;
            flex-direction: column;
            min-height: 280px;
            grid-column: auto;
            padding: var(--vbg-space-6, 24px) 0;
            border: 0;
            border-top: 1px solid var(--vbg-border-default, #d4d4d4);
            border-radius: 0;
            background: transparent;
            box-shadow: none;
            transform: none;
        }

        .project-index {
            color: var(--vbg-text-secondary, #666);
        }

        .project h3 {
            margin-top: auto;
            font-size: var(--vbg-type-title, 2rem);
            line-height: var(--vbg-leading-title, 1.2);
        }

        .project p {
            max-width: 50ch;
            margin-bottom: var(--vbg-space-5, 20px);
        }

        .more-builds {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 24px;
            margin-top: var(--vbg-space-12, 48px);
            border: 0;
        }

        .more-build {
            display: flex;
            min-height: 92px;
            flex-direction: column;
            justify-content: space-between;
            padding: var(--vbg-space-4, 16px) 0;
            border: 0;
            border-top: 1px solid var(--vbg-border-default, #d4d4d4);
        }

        .more-build + .more-build {
            border-top: 1px solid var(--vbg-border-default, #d4d4d4);
        }

        .more-build span {
            color: var(--vbg-text-secondary, #666);
            font-family: "Geist Mono", monospace;
            font-size: var(--vbg-type-metadata, .75rem);
        }

        .research-card {
            display: grid;
            grid-template-columns: repeat(12, minmax(0, 1fr));
            gap: 24px;
            overflow: hidden;
            border: 0;
            border-radius: 0;
            background: var(--vbg-surface-contrast, #000);
            color: var(--vbg-text-on-contrast, #fff);
            box-shadow: none;
        }

        .research-main {
            grid-column: span 8;
            padding: clamp(40px, 6vw, 80px);
        }

        .research-main .eyebrow,
        .research-main p {
            color: var(--vbg-text-on-contrast-secondary, #a1a1a1);
        }

        .research-main h2 {
            color: var(--vbg-text-on-contrast, #fff);
        }

        .research-main .tag {
            color: var(--vbg-text-on-contrast-secondary, #a1a1a1);
        }

        .research-main .text-link {
            display: inline-block;
            margin-top: var(--vbg-space-8, 32px);
            color: var(--vbg-text-on-contrast, #fff);
            font-size: var(--vbg-type-compact, .875rem);
            font-weight: var(--vbg-weight-medium, 500);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .research-visual {
            position: relative;
            display: grid;
            min-height: 460px;
            grid-column: span 4;
            place-items: center;
            padding: var(--vbg-space-8, 32px);
            border-left: 1px solid var(--vbg-border-on-contrast, #333);
            background: transparent;
        }

        .character-decomposition {
            display: grid;
            grid-template-rows: auto 64px auto;
            justify-items: center;
            align-items: center;
        }

        .glyph {
            display: block;
            color: var(--vbg-text-on-contrast, #fff);
            font-weight: var(--vbg-weight-semibold, 600);
            line-height: 1;
        }

        .glyph-compound {
            font-size: clamp(4rem, 6vw, 5.5rem);
        }

        .split-branch {
            position: relative;
            display: block;
            width: min(150px, 70%);
            height: 64px;
        }

        .split-branch::before {
            position: absolute;
            top: 0;
            left: 50%;
            height: 32px;
            border-left: 1px solid var(--vbg-border-on-contrast, #333);
            content: "";
        }

        .split-branch::after {
            position: absolute;
            top: 31px;
            right: 25%;
            left: 25%;
            border-top: 1px solid var(--vbg-border-on-contrast, #333);
            content: "";
        }

        .split-branch i {
            position: absolute;
            top: 31px;
            bottom: 0;
            border-left: 1px solid var(--vbg-border-on-contrast, #333);
        }

        .split-branch i:first-child {
            left: 25%;
        }

        .split-branch i:last-child {
            right: 25%;
        }

        .split-parts {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--vbg-space-10, 40px);
            align-items: center;
        }

        .split-parts .glyph {
            min-width: 56px;
            font-size: clamp(3.25rem, 5vw, 4.5rem);
            text-align: center;
        }

        .research-note {
            position: absolute;
            right: var(--vbg-space-8, 32px);
            bottom: var(--vbg-space-8, 32px);
            left: var(--vbg-space-8, 32px);
            color: var(--vbg-text-on-contrast-secondary, #a1a1a1);
            text-align: center;
        }

        .about-lead {
            max-width: 26ch;
            margin: 0 0 var(--vbg-space-6, 24px);
            font-size: var(--vbg-type-title, 2rem);
            font-weight: var(--vbg-weight-semibold, 600);
            letter-spacing: -.035em;
            line-height: var(--vbg-leading-title, 1.2);
        }

        .about-copy {
            max-width: 60ch;
        }

        .signals {
            border-top: 1px solid var(--vbg-border-default, #d4d4d4);
        }

        .signal {
            display: grid;
            grid-template-columns: 96px 1fr;
            gap: var(--vbg-space-4, 16px);
            padding: var(--vbg-space-6, 24px) 0;
            border: 0;
            border-bottom: 1px solid var(--vbg-border-default, #d4d4d4);
        }

        .signal > div {
            display: flex;
            flex-wrap: wrap;
            align-items: baseline;
            gap: var(--vbg-space-1, 4px) var(--vbg-space-3, 12px);
        }

        .signal strong {
            color: var(--vbg-text-primary, #171717);
            font-size: var(--vbg-type-body, 1rem);
            font-weight: var(--vbg-weight-medium, 500);
        }

        .signal div span {
            color: var(--vbg-text-secondary, #666);
            font-size: var(--vbg-type-compact, .875rem);
        }

        .contact {
            padding-block: clamp(88px, 12vw, 160px);
            border-top: 1px solid var(--vbg-border-subtle, #ebebeb);
            background: var(--vbg-surface-primary, #fff);
            color: var(--vbg-text-primary, #171717);
        }

        .contact-inner {
            text-align: left;
        }

        .contact .section-kicker {
            justify-content: flex-start;
            color: var(--vbg-text-secondary, #666);
        }

        .contact h2 {
            max-width: 780px;
            color: var(--vbg-text-primary, #171717);
            font-size: clamp(2.5rem, 5.2vw, 4.5rem);
            line-height: 1.02;
        }

        .contact-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--vbg-space-3, 12px);
            justify-content: flex-start;
            margin-top: var(--vbg-space-8, 32px);
        }

        .contact .button {
            border-color: var(--vbg-surface-contrast, #000);
            background: var(--vbg-surface-contrast, #000);
            color: var(--vbg-text-on-contrast, #fff);
        }

        .contact .button-secondary {
            border-color: var(--vbg-border-default, #d4d4d4);
            background: transparent;
            color: var(--vbg-text-primary, #171717);
        }

        .site-footer {
            padding-block: var(--vbg-space-8, 32px);
            border-top: 1px solid var(--vbg-border-subtle, #ebebeb);
            background: var(--vbg-surface-primary, #fff);
        }

        .footer-shell {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--vbg-space-6, 24px);
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: flex-end;
            gap: var(--vbg-space-5, 20px);
        }

        .footer-meta {
            margin: 0;
            color: var(--vbg-text-secondary, #666);
            font-size: var(--vbg-type-compact, .875rem);
        }

        [data-reveal] {
            opacity: 1;
            transform: none;
            transition: none;
        }

        .motion-ready .hero-copy[data-reveal],
        .motion-ready .hero-profile[data-reveal] {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 360ms var(--ease-out), transform 360ms var(--ease-out);
        }

        .motion-ready .hero-profile[data-reveal] {
            transition-delay: 50ms;
        }

        .motion-ready .hero-copy[data-reveal].is-visible,
        .motion-ready .hero-profile[data-reveal].is-visible {
            opacity: 1;
            transform: none;
        }

        .motion-ready .research-card .split-branch,
        .motion-ready .research-card .split-parts .glyph {
            opacity: 0;
        }

        .motion-ready .research-card .split-branch {
            transition: opacity 220ms ease 120ms;
        }

        .motion-ready .research-card .split-parts .glyph {
            transform: translateY(-8px) scale(.97);
            transition: opacity 320ms var(--ease-out) 310ms, transform 320ms var(--ease-out) 310ms;
        }

        .motion-ready .research-card .split-parts .glyph:nth-child(2) {
            transition-delay: 360ms;
        }

        .motion-ready .research-card.is-visible .split-branch,
        .motion-ready .research-card.is-visible .split-parts .glyph {
            opacity: 1;
            transform: none;
        }

        @media (max-width: 980px) {
            .shell {
                width: min(calc(100% - 40px), 1200px);
            }

            .hero {
                min-height: auto;
                grid-template-columns: repeat(6, minmax(0, 1fr));
                gap: 48px 20px;
            }

            .hero-copy {
                grid-column: 1 / -1;
            }

            .hero-profile {
                grid-column: 1 / -1;
                max-width: 620px;
                padding-top: 0;
            }

            .proof-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .proof-item,
            .proof-item:nth-child(even),
            .proof-item:last-child {
                border-right: 1px solid var(--vbg-border-subtle, #ebebeb);
                border-bottom: 1px solid var(--vbg-border-subtle, #ebebeb);
            }

            .proof-item:nth-child(even) {
                border-right: 0;
            }

            .proof-item:last-child {
                grid-column: 1 / -1;
                border-right: 0;
                border-bottom: 0;
            }

            .case-study {
                grid-template-columns: repeat(6, minmax(0, 1fr));
            }

            .case-study > :first-child {
                grid-column: span 2;
            }

            .case-main {
                grid-column: span 4;
            }

            .case-outcome {
                grid-column: 3 / -1;
                padding: var(--vbg-space-5, 20px) 0 0;
                border-top: 1px solid var(--vbg-border-default, #d4d4d4);
                border-left: 0;
            }

            .capability-grid {
                grid-template-columns: repeat(6, minmax(0, 1fr));
                gap: 0 20px;
            }

            .capability,
            .capability:nth-child(4),
            .capability:nth-child(5) {
                grid-column: span 3;
            }

            .capability:last-child {
                grid-column: 1 / -1;
            }

            .experience-layout,
            .about-grid {
                grid-template-columns: repeat(6, minmax(0, 1fr));
                gap: 48px 20px;
            }

            .experience-copy,
            .about-grid > :first-child {
                position: static;
                grid-column: 1 / -1;
            }

            .timeline,
            .signals {
                grid-column: 1 / -1;
            }

            .research-card {
                grid-template-columns: repeat(6, minmax(0, 1fr));
            }

            .research-main {
                grid-column: span 4;
            }

            .research-visual {
                grid-column: span 2;
            }
        }

        @media (max-width: 720px) {
            .shell {
                width: min(calc(100% - 32px), 1200px);
            }

            html {
                scroll-padding-top: 76px;
            }

            .nav-shell {
                min-height: 64px;
            }

            .resume-link {
                display: none;
            }

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

            .nav-links {
                position: absolute;
                top: calc(100% - 1px);
                right: 16px;
                left: 16px;
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: var(--vbg-space-2, 8px);
                border-color: var(--vbg-border-default, #d4d4d4);
                border-radius: var(--vbg-radius, 8px);
                background: var(--vbg-surface-primary, #fff);
                box-shadow: 0 12px 32px rgba(0, 0, 0, .08);
                transform-origin: top right;
                transition: opacity 100ms ease, transform 140ms var(--ease-out), visibility 0s linear 140ms;
            }

            .nav-links[data-open="false"] {
                visibility: hidden;
                opacity: 0;
                pointer-events: none;
                transform: translateY(-6px) scale(.98);
            }

            .nav-links[data-open="true"] {
                visibility: visible;
                opacity: 1;
                pointer-events: auto;
                transform: none;
                transition: opacity 140ms ease, transform 180ms var(--ease-out), visibility 0s;
            }

            .nav-links a {
                min-height: 44px;
                padding: 0 var(--vbg-space-3, 12px);
                border-bottom: 1px solid var(--vbg-border-subtle, #ebebeb);
            }

            .nav-links a:last-child {
                border-bottom: 0;
            }

            .hero {
                padding-block: 64px 80px;
            }

            .hero h1 {
                font-size: clamp(3.75rem, 18vw, 6rem);
            }

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

            .hero-actions,
            .contact-actions {
                align-items: stretch;
            }

            .button {
                width: 100%;
            }

            .proof-grid,
            .case-study,
            .capability-grid,
            .project-grid,
            .research-card,
            .more-builds {
                grid-template-columns: 1fr;
            }

            .proof-item,
            .proof-item:nth-child(even),
            .proof-item:last-child {
                min-height: 124px;
                grid-column: auto;
                border-right: 0;
                border-bottom: 1px solid var(--vbg-border-subtle, #ebebeb);
            }

            .proof-item:last-child {
                border-bottom: 0;
            }

            .case-study > :first-child,
            .case-main,
            .case-outcome,
            .capability,
            .capability:nth-child(4),
            .capability:nth-child(5),
            .capability:last-child,
            .research-main,
            .research-visual {
                grid-column: auto;
            }

            .case-outcome {
                margin-top: var(--vbg-space-2, 8px);
            }

            .case-list {
                grid-template-columns: 1fr;
            }

            .capability {
                min-height: 180px;
            }

            .role {
                grid-template-columns: 1fr;
                gap: var(--vbg-space-3, 12px);
            }

            .role-undated > div {
                grid-column: 1;
            }

            .project,
            .project:nth-child(n) {
                min-height: 240px;
            }

            .more-builds {
                gap: 0;
            }

            .research-main {
                padding: 40px 24px;
            }

            .research-visual {
                min-height: 300px;
                border-top: 1px solid var(--vbg-border-on-contrast, #333);
                border-left: 0;
            }

            .footer-shell {
                align-items: flex-start;
            }

            .footer-links {
                justify-content: flex-start;
            }
        }

        @media (max-width: 480px) {
            .hero-role {
                grid-template-columns: 1fr;
                gap: var(--vbg-space-1, 4px);
            }

            .hero-role dd {
                text-align: left;
            }

            .course-list {
                grid-template-columns: 1fr;
            }
        }

        .course-item,
        .project,
        .more-build {
            transition: opacity 120ms var(--ease-out), transform 120ms var(--ease-out), border-color 140ms ease;
        }

        .course-item:active,
        .project:active,
        .more-build:active {
            opacity: .82;
            transform: scale(.995);
        }

        @media (hover: hover) and (pointer: fine) {
            .nav-links a:hover,
            .footer-links a:hover,
            .text-link:hover,
            .more-build:hover strong {
                color: var(--vbg-text-primary, #171717);
            }

            .resume-link:hover,
            .button:hover {
                border-color: var(--vbg-border-strong, #a1a1a1);
                background: var(--vbg-surface-secondary, #fafafa);
                color: var(--vbg-text-primary, #171717);
            }

            .button-secondary:hover {
                border-color: var(--vbg-border-strong, #a1a1a1);
                background: var(--vbg-surface-secondary, #fafafa);
            }

            .course-item:hover {
                border-color: var(--vbg-border-strong, #a1a1a1);
            }

            .course-item:hover .course-title {
                text-decoration: underline;
                text-decoration-thickness: 1px;
                text-underline-offset: 3px;
            }

            .project:hover {
                border-color: var(--vbg-text-primary, #171717);
                background: transparent;
            }

            .contact .button:hover {
                border-color: var(--vbg-border-strong, #a1a1a1);
                background: var(--vbg-surface-secondary, #fafafa);
                color: var(--vbg-text-primary, #171717);
            }
        }

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

            .vbg-report *,
            .vbg-report *::before,
            .vbg-report *::after {
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
            }

            .motion-ready .hero-copy[data-reveal],
            .motion-ready .hero-profile[data-reveal] {
                transform: none;
                transition: opacity 140ms ease;
                transition-delay: 0s;
            }

            .motion-ready .research-card .split-branch,
            .motion-ready .research-card .split-parts .glyph {
                transform: none;
                transition: opacity 140ms ease;
                transition-delay: 0s;
            }

            .nav-links {
                transform: none !important;
                transition: opacity 100ms ease, visibility 0s linear 100ms;
            }

            .nav-links[data-open="true"] {
                transition-delay: 0s;
            }

            .resume-link:active,
            .button:active,
            .menu-toggle:active {
                transform: scale(.99);
            }

            .course-item,
            .project,
            .more-build {
                transition: opacity 100ms ease, border-color 140ms ease;
            }

            .course-item:active,
            .project:active,
            .more-build:active {
                opacity: .82;
                transform: none;
            }
        }