:root {
    --ink: #0a0a0a;
    --paper: #f3f2ee;
    --white: #ffffff;
    --muted: #6b6b67;
    --muted-dark: #aaa9a3;
    --line: rgba(10, 10, 10, 0.17);
    --line-dark: rgba(255, 255, 255, 0.2);
    --header-height: 72px;
    --gutter: clamp(20px, 4vw, 72px);
    --section-space: clamp(88px, 10vw, 168px);
    --max-width: 1520px;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

body {
    margin: 0;
    min-width: 280px;
    overflow-x: hidden;
    background: var(--paper);
    color: var(--ink);
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

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

::selection {
    background: var(--ink);
    color: var(--white);
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    color: inherit;
    font: inherit;
}

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

.shell {
    width: min(calc(100% - (var(--gutter) * 2)), var(--max-width));
    margin-inline: auto;
}

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

.skip-link {
    position: fixed;
    z-index: 2000;
    top: 10px;
    left: 10px;
    padding: 12px 16px;
    transform: translateY(-160%);
    background: var(--white);
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
    transition: transform 160ms ease;
}

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

:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 4px;
}

section {
    scroll-margin-top: var(--header-height);
}

.scroll-progress {
    position: fixed;
    z-index: 1100;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    pointer-events: none;
}

.scroll-progress span {
    display: block;
    width: 100%;
    height: 100%;
    transform: scaleX(0);
    transform-origin: left center;
    background: var(--white);
    will-change: transform;
}

/* Header */

.site-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    background: var(--ink);
    color: var(--white);
    transition: box-shadow 180ms ease;
}

.site-header.is-scrolled {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.13);
}

.header-inner {
    display: flex;
    width: min(calc(100% - (var(--gutter) * 2)), var(--max-width));
    height: 100%;
    margin-inline: auto;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.brand {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 16px;
}

.brand-mark {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.brand-detail,
.site-nav a,
.nav-toggle {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand-detail {
    padding-left: 16px;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--muted-dark);
}

.site-nav {
    display: flex;
    height: 100%;
    align-items: center;
    gap: clamp(18px, 2vw, 34px);
}

.site-nav a {
    position: relative;
    display: inline-flex;
    height: 100%;
    align-items: center;
    color: #bbb;
    transition: color 180ms ease;
}

.site-nav a::after {
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 2px;
    content: "";
    transform: scaleX(0);
    transform-origin: left;
    background: var(--white);
    transition: transform 180ms ease;
}

.site-nav a[aria-current="location"] {
    color: var(--white);
}

.site-nav a[aria-current="location"]::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    min-width: 72px;
    min-height: 44px;
    padding: 0;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.nav-toggle-lines {
    position: relative;
    display: block;
    width: 20px;
    height: 12px;
}

.nav-toggle-lines span {
    position: absolute;
    left: 0;
    display: block;
    width: 20px;
    height: 1px;
    background: currentColor;
    transition: transform 180ms ease, top 180ms ease;
}

.nav-toggle-lines span:first-child {
    top: 2px;
}

.nav-toggle-lines span:last-child {
    top: 9px;
}

.site-header.nav-open .nav-toggle-lines span:first-child {
    top: 6px;
    transform: rotate(45deg);
}

.site-header.nav-open .nav-toggle-lines span:last-child {
    top: 6px;
    transform: rotate(-45deg);
}

/* Hero */

.hero {
    min-height: 100svh;
    padding-top: var(--header-height);
    overflow: hidden;
    background: var(--ink);
    color: var(--white);
}

.hero-shell {
    display: grid;
    min-height: calc(100svh - var(--header-height));
    padding-top: clamp(42px, 6vh, 72px);
    padding-bottom: clamp(28px, 4vh, 48px);
    grid-template-rows: auto 1fr auto auto;
}

.hero-intro {
    display: flex;
    max-width: 560px;
    align-items: center;
    gap: 18px;
}

.hero-intro p {
    max-width: 420px;
    color: #c5c5c0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 11px;
    line-height: 1.55;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.portrait {
    position: relative;
    width: 78px;
    height: 78px;
    flex: 0 0 auto;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 50%;
    background: #d9d8d4;
}

.portrait img {
    position: absolute;
    top: 52%;
    left: 50%;
    width: 305%;
    max-width: none;
    height: auto;
    transform: translate(-50%, -50%);
    filter: grayscale(1) contrast(1.06);
}

.status-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 8px;
    border-radius: 50%;
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.09);
    vertical-align: 1px;
}

.hero-title {
    display: flex;
    padding-block: clamp(36px, 6vh, 80px);
    align-self: center;
    flex-direction: column;
    font-size: clamp(5rem, 14.2vw, 13.5rem);
    font-weight: 700;
    line-height: 0.76;
    letter-spacing: -0.075em;
}

.hero-title-line {
    position: relative;
    display: grid;
}

.hero-title-line::before,
.hero-title-output {
    grid-area: 1 / 1;
}

.hero-title-line::before {
    content: attr(data-text);
    visibility: hidden;
    pointer-events: none;
}

.hero-title-output {
    position: relative;
    justify-self: start;
    white-space: nowrap;
}

.hero-title > .hero-title-line:last-child {
    align-self: flex-end;
    padding-right: 0.06em;
}

.hero-title-caret {
    position: absolute;
    top: 0.02em;
    left: calc(100% + 0.045em);
    display: none;
    width: 0.035em;
    height: 0.72em;
    background: currentColor;
}

.hero-title.is-typing .hero-title-caret.is-active {
    display: block;
}

.hero-title-caret.is-complete {
    animation: hero-caret-blink 1s steps(1, end) infinite;
}

@keyframes hero-caret-blink {
    0%,
    48% {
        opacity: 1;
    }

    49%,
    100% {
        opacity: 0;
    }
}

.hero-details {
    display: grid;
    padding: 24px 0 34px;
    align-items: end;
    border-top: 1px solid var(--line-dark);
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.55fr);
    gap: 48px;
}

.hero-dek {
    max-width: 760px;
    font-size: clamp(1.65rem, 3.3vw, 3.75rem);
    font-weight: 400;
    line-height: 1.02;
    letter-spacing: -0.045em;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 30px;
}

.button {
    display: inline-flex;
    min-height: 52px;
    padding: 0 20px;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    border: 1px solid currentColor;
    font-size: 13px;
    font-weight: 700;
    transition: background-color 180ms ease, color 180ms ease;
}

.button-light {
    background: var(--white);
    color: var(--ink);
}

.text-link {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid currentColor;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.text-link span[aria-hidden="true"] {
    transition: transform 180ms ease;
}

.text-link-light {
    color: var(--white);
}

.hero-meta {
    display: grid;
    padding-top: 24px;
    border-top: 1px solid var(--line-dark);
    color: #d4d4cf;
    font-size: 12px;
    line-height: 1.55;
    grid-template-columns: repeat(3, 1fr) auto;
    gap: 28px;
}

.hero-meta > div {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.meta-label,
.scroll-cue {
    color: var(--muted-dark);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-cue {
    display: inline-flex;
    min-height: 44px;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 12px;
    color: var(--white);
}

/* Shared sections */

.section {
    padding-block: var(--section-space);
}

.section-head {
    display: grid;
    margin-bottom: clamp(64px, 8vw, 118px);
    grid-template-columns: minmax(150px, 3fr) minmax(0, 9fr);
    gap: 32px;
}

.section-head-compact {
    margin-bottom: clamp(58px, 7vw, 100px);
}

.section-index {
    padding-top: 0.55em;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-head h2 {
    max-width: 1180px;
    font-size: clamp(3.1rem, 7.5vw, 8rem);
    font-weight: 500;
    line-height: 0.93;
    letter-spacing: -0.065em;
}

.section-dark {
    background: var(--ink);
    color: var(--white);
}

.section-dark .section-index {
    color: var(--muted-dark);
}

/* About */

.about {
    border-bottom: 1px solid var(--line);
}

.about-grid {
    display: grid;
    padding-top: clamp(34px, 4vw, 58px);
    border-top: 1px solid var(--line);
    grid-template-columns: 7fr 5fr;
    gap: clamp(52px, 8vw, 140px);
}

.about-lead {
    max-width: 900px;
    font-size: clamp(1.75rem, 3.25vw, 3.65rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
}

.about-copy {
    max-width: 610px;
    padding-top: 8px;
    color: #343431;
    font-size: clamp(1rem, 1.25vw, 1.2rem);
}

.about-copy p + p {
    margin-top: 1.4em;
}

.about-copy .text-link {
    margin-top: 40px;
}

.fact-grid {
    display: grid;
    margin-top: clamp(72px, 9vw, 140px);
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
    grid-template-columns: repeat(3, 1fr);
}

.fact-grid > div {
    min-height: 200px;
    padding: clamp(24px, 3vw, 44px);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.fact-grid dt {
    font-size: clamp(3rem, 5.2vw, 6rem);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.065em;
}

.fact-grid dd {
    margin-top: 42px;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Education */

.education {
    border-bottom: 1px solid var(--line);
}

.education-grid {
    display: grid;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.education-card {
    display: flex;
    min-height: 520px;
    padding: clamp(24px, 3vw, 44px);
    flex-direction: column;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.card-meta {
    display: flex;
    min-height: 40px;
    justify-content: space-between;
    gap: 20px;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.card-meta span:last-child {
    text-align: right;
}

.education-type {
    margin-top: auto;
    padding-top: 64px;
    color: var(--muted);
    font-size: 12px;
}

.education-card h3 {
    max-width: 450px;
    margin-top: 12px;
    font-size: clamp(2rem, 3.1vw, 3.4rem);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.05em;
}

.education-card > p:last-child {
    max-width: 480px;
    margin-top: 34px;
    color: #494946;
    font-size: 15px;
}

.credential-links {
    display: flex;
    margin-top: 34px;
    flex-direction: column;
}

.credential-links a {
    display: flex;
    min-height: 64px;
    padding-block: 15px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border-top: 1px solid var(--line);
    font-size: 14px;
}

.credential-links a:last-child {
    border-bottom: 1px solid var(--line);
}

.credential-links a > span[aria-hidden="true"] {
    flex: 0 0 auto;
    transition: transform 180ms ease;
}

/* Experience */

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

.experience-row {
    display: grid;
    min-height: 220px;
    padding-block: clamp(30px, 4vw, 54px);
    border-bottom: 1px solid var(--line-dark);
    grid-template-columns: 2fr 4fr 6fr;
    gap: 32px;
}

.experience-date,
.experience-role > p {
    color: var(--muted-dark);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 10px;
    line-height: 1.65;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.experience-role h3 {
    max-width: 430px;
    font-size: clamp(1.6rem, 2.4vw, 2.8rem);
    font-weight: 500;
    line-height: 1.04;
    letter-spacing: -0.045em;
}

.experience-role > p {
    margin-top: 18px;
}

.experience-summary {
    max-width: 750px;
    color: #d1d0cb;
    font-size: clamp(1rem, 1.3vw, 1.18rem);
}

/* Demonstrations */

.demonstrations {
    border-bottom: 1px solid var(--line);
}

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

.demonstration-row {
    position: relative;
    display: grid;
    min-height: 126px;
    padding: 24px 0;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    grid-template-columns: 100px minmax(0, 1fr) auto;
    gap: 24px;
    isolation: isolate;
    transition: color 340ms var(--ease-out);
}

.demonstration-row::before {
    position: absolute;
    z-index: 0;
    inset: 0;
    background: var(--ink);
    content: "";
    transform: scaleX(0);
    transform-origin: right center;
    transition: transform 520ms var(--ease-out);
    will-change: transform;
}

.row-number,
.row-action {
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 10px;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    transition: color 340ms var(--ease-out);
}

.demonstration-title {
    max-width: 950px;
    font-size: clamp(1.55rem, 2.7vw, 3.2rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
    transition: color 340ms var(--ease-out), transform 520ms var(--ease-out);
}

.row-number,
.demonstration-title,
.row-action {
    position: relative;
    z-index: 1;
}

.row-action {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    white-space: nowrap;
}

.row-action span {
    transition: transform 460ms var(--ease-out);
}

/* Projects */

.portfolio {
    background: var(--white);
}

.project-grid {
    display: grid;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card {
    position: relative;
    display: flex;
    min-height: clamp(330px, 34vw, 500px);
    padding: clamp(24px, 3.2vw, 48px);
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--white);
    isolation: isolate;
    transition: color 360ms var(--ease-out);
}

.project-card::before {
    position: absolute;
    z-index: 0;
    inset: 0;
    background: var(--ink);
    content: "";
    transform: scaleY(0);
    transform-origin: center bottom;
    transition: transform 560ms var(--ease-out);
    will-change: transform;
}

.project-card-top,
.project-card-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.project-number,
.project-type,
.project-card-bottom {
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 10px;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    transition: color 360ms var(--ease-out);
}

.project-type {
    text-align: right;
}

.project-card h3 {
    position: relative;
    z-index: 1;
    max-width: 680px;
    padding-block: 56px;
    color: var(--ink);
    font-size: clamp(2.1rem, 4.2vw, 4.8rem);
    font-weight: 500;
    line-height: 0.98;
    letter-spacing: -0.055em;
    transition: color 360ms var(--ease-out), transform 560ms var(--ease-out);
}

.project-card-top,
.project-card-bottom {
    position: relative;
    z-index: 1;
}

.project-arrow {
    flex: 0 0 auto;
    color: var(--ink);
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    font-size: 28px;
    line-height: 1;
    transition: color 360ms var(--ease-out), transform 500ms var(--ease-out);
}

.demonstration-row:focus-visible::before {
    transform: scaleX(1);
    transform-origin: left center;
}

.demonstration-row:focus-visible .demonstration-title {
    color: var(--white);
    transform: translateX(8px);
}

.demonstration-row:focus-visible .row-number,
.demonstration-row:focus-visible .row-action {
    color: #d3d2cc;
}

.demonstration-row:focus-visible .row-action span {
    transform: translate(4px, -4px);
}

.project-card:focus-visible {
    color: var(--white);
}

.project-card:focus-visible::before {
    transform: scaleY(1);
}

.project-card:focus-visible h3 {
    color: var(--white);
    transform: translateY(-7px);
}

.project-card:focus-visible .project-number,
.project-card:focus-visible .project-type,
.project-card:focus-visible .project-card-bottom,
.project-card:focus-visible .project-arrow {
    color: #d3d2cc;
}

.project-card:focus-visible .project-arrow {
    transform: translate(5px, -5px);
}

/* Contact */

.contact {
    padding-bottom: clamp(78px, 9vw, 140px);
    background: var(--ink);
    color: var(--white);
}

.contact .section-index {
    color: var(--muted-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 3fr 9fr;
    gap: 32px;
}

.contact-main h2 {
    max-width: 1200px;
    font-size: clamp(4rem, 10vw, 10.5rem);
    font-weight: 500;
    line-height: 0.85;
    letter-spacing: -0.075em;
}

.contact-main {
    min-width: 0;
}

.contact-intro {
    max-width: 600px;
    margin-top: clamp(44px, 5vw, 72px);
    color: #c6c5bf;
    font-size: clamp(1.1rem, 1.65vw, 1.45rem);
}

.contact-email {
    display: flex;
    width: fit-content;
    max-width: 100%;
    min-height: 72px;
    margin-top: clamp(42px, 5vw, 74px);
    padding-bottom: 10px;
    align-items: center;
    gap: 24px;
    border-bottom: 2px solid var(--white);
    font-size: clamp(1.45rem, 4vw, 4.25rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    overflow-wrap: anywhere;
}

.contact-email-text {
    min-width: 0;
    overflow-wrap: anywhere;
}

.contact-email > span[aria-hidden="true"] {
    flex: 0 0 auto;
    transition: transform 180ms ease;
}

.contact-links {
    display: grid;
    margin-top: clamp(90px, 12vw, 180px);
    border-top: 1px solid var(--line-dark);
    border-left: 1px solid var(--line-dark);
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.contact-links a {
    display: flex;
    min-height: 108px;
    padding: 22px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    border-right: 1px solid var(--line-dark);
    border-bottom: 1px solid var(--line-dark);
    color: #d7d6d0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: background-color 180ms ease, color 180ms ease;
}

.contact-links a > span[aria-hidden="true"] {
    transition: transform 180ms ease;
}

.site-footer {
    padding-block: 34px;
    border-top: 1px solid var(--line-dark);
    background: var(--ink);
    color: var(--muted-dark);
}

.footer-inner {
    display: grid;
    align-items: center;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 10px;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
}

.footer-inner p:nth-child(2) {
    text-align: center;
}

.footer-inner a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-self: end;
    gap: 10px;
    color: var(--white);
}

/* Progressive animation */

.js .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 650ms var(--ease-out), transform 650ms var(--ease-out);
    transition-delay: var(--delay, 0ms);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-intro {
    --delay: 40ms;
}

.hero-title {
    --delay: 90ms;
}

.hero-details {
    --delay: 150ms;
}

.hero-meta {
    --delay: 210ms;
}

.education-card:nth-child(2),
.demonstration-row:nth-child(2),
.project-card:nth-child(even) {
    --delay: 50ms;
}

.education-card:nth-child(3),
.demonstration-row:nth-child(3) {
    --delay: 100ms;
}

.demonstration-row:nth-child(4) {
    --delay: 150ms;
}

/* Hover-capable devices */

@media (hover: hover) {
    .site-nav a:hover {
        color: var(--white);
    }

    .button-light:hover {
        background: transparent;
        color: var(--white);
    }

    .text-link:hover span[aria-hidden="true"],
    .credential-links a:hover > span[aria-hidden="true"],
    .contact-email:hover > span[aria-hidden="true"],
    .contact-links a:hover > span[aria-hidden="true"] {
        transform: translate(3px, -3px);
    }

    .demonstration-row:hover::before {
        transform: scaleX(1);
        transform-origin: left center;
    }

    .demonstration-row:hover .demonstration-title {
        color: var(--white);
        transform: translateX(8px);
    }

    .demonstration-row:hover .row-number,
    .demonstration-row:hover .row-action {
        color: #d3d2cc;
    }

    .demonstration-row:hover .row-action span {
        transform: translate(4px, -4px);
    }

    .project-card:hover {
        color: var(--white);
    }

    .project-card:hover::before {
        transform: scaleY(1);
    }

    .project-card:hover h3 {
        color: var(--white);
        transform: translateY(-7px);
    }

    .project-card:hover .project-number,
    .project-card:hover .project-type,
    .project-card:hover .project-card-bottom,
    .project-card:hover .project-arrow {
        color: #d3d2cc;
    }

    .project-card:hover .project-arrow {
        transform: translate(5px, -5px);
    }

    .contact-links a:hover {
        background: var(--white);
        color: var(--ink);
    }
}

/* Tablet */

@media (max-width: 1120px) {
    .brand-detail {
        display: none;
    }

    .hero-title {
        font-size: clamp(5rem, 15vw, 10rem);
    }

    .hero-details {
        grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
    }

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

    .education-card:last-child {
        grid-column: 1 / -1;
        min-height: 440px;
    }

    .experience-row {
        grid-template-columns: 1.7fr 4.3fr 6fr;
    }

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

@media (max-width: 880px) {
    :root {
        --header-height: 68px;
    }

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

    .site-nav {
        position: fixed;
        top: var(--header-height);
        right: 0;
        left: 0;
        display: flex;
        height: calc(100svh - var(--header-height));
        padding: 24px var(--gutter) 42px;
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        overflow-y: auto;
        border-top: 1px solid rgba(255, 255, 255, 0.14);
        background: var(--ink);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        visibility: hidden;
        transition: opacity 180ms ease, transform 180ms ease, visibility 0s linear 180ms;
    }

    .site-nav a {
        height: auto;
        min-height: 76px;
        justify-content: space-between;
        border-bottom: 1px solid var(--line-dark);
        color: var(--white);
        font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
        font-size: clamp(1.8rem, 6vw, 3rem);
        font-weight: 500;
        letter-spacing: -0.04em;
        text-transform: none;
    }

    .site-nav a::before {
        color: var(--muted-dark);
        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
        font-size: 10px;
        letter-spacing: 0.08em;
    }

    .site-nav a:nth-child(1)::before { content: "01"; }
    .site-nav a:nth-child(2)::before { content: "02"; }
    .site-nav a:nth-child(3)::before { content: "03"; }
    .site-nav a:nth-child(4)::before { content: "04"; }
    .site-nav a:nth-child(5)::before { content: "05"; }
    .site-nav a:nth-child(6)::before { content: "06"; }

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

    .site-header.nav-open .site-nav {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
        visibility: visible;
        transition-delay: 0s;
    }

    .hero-shell {
        padding-top: 36px;
    }

    .hero-title {
        padding-block: clamp(50px, 10vh, 90px);
        font-size: clamp(5rem, 17vw, 9rem);
    }

    .hero-details {
        align-items: start;
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-actions {
        justify-content: flex-start;
    }

    .hero-meta {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        row-gap: 26px;
    }

    .scroll-cue {
        justify-content: flex-start;
    }

    .section-head,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .section-head {
        gap: 24px;
    }

    .section-index {
        padding-top: 0;
    }

    .about-grid {
        gap: 54px;
    }

    .about-copy {
        padding-top: 0;
    }

    .experience-row {
        grid-template-columns: 1fr 2fr;
        gap: 20px 32px;
    }

    .experience-summary {
        grid-column: 2;
    }

    .demonstration-row {
        grid-template-columns: 70px minmax(0, 1fr);
    }

    .row-action {
        grid-column: 2;
        white-space: normal;
    }

    .project-card h3 {
        font-size: clamp(2rem, 5.8vw, 3.5rem);
    }

    .contact-main h2 {
        font-size: clamp(4rem, 13vw, 8rem);
    }
}

/* Phone */

@media (max-width: 640px) {
    :root {
        --header-height: 64px;
        --gutter: 20px;
        --section-space: 88px;
    }

    .brand {
        gap: 0;
    }

    .portrait {
        width: 66px;
        height: 66px;
    }

    .hero-shell {
        min-height: calc(100svh - var(--header-height));
        padding-top: 28px;
        padding-bottom: 24px;
    }

    .hero-intro {
        align-items: center;
        gap: 14px;
    }

    .hero-intro p {
        font-size: 9px;
    }

    .hero-title {
        padding-block: 52px;
        font-size: clamp(4.65rem, 23vw, 7rem);
        line-height: 0.78;
    }

    .hero-title > .hero-title-line:last-child {
        align-self: flex-start;
    }

    .hero-dek {
        font-size: clamp(1.55rem, 8vw, 2.2rem);
    }

    .hero-actions {
        align-items: flex-start;
        flex-direction: column;
        gap: 16px;
    }

    .button {
        width: 100%;
    }

    .hero-meta {
        margin-top: 10px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px 18px;
    }

    .hero-meta > div:nth-child(3) {
        display: none;
    }

    .hero-meta,
    .scroll-cue {
        font-size: 10px;
    }

    .section-head h2 {
        font-size: clamp(2.9rem, 14vw, 4.5rem);
    }

    .about-lead {
        font-size: clamp(1.7rem, 8.5vw, 2.45rem);
    }

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

    .fact-grid > div {
        display: flex;
        min-height: 132px;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
    }

    .fact-grid dd {
        max-width: 150px;
        margin-top: 0;
        text-align: right;
    }

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

    .education-card,
    .education-card:last-child {
        min-height: 430px;
        grid-column: auto;
    }

    .education-card h3 {
        font-size: clamp(2.2rem, 10vw, 3rem);
    }

    .experience-row {
        padding-block: 34px;
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .experience-summary {
        grid-column: auto;
    }

    .experience-role h3 {
        font-size: 2rem;
    }

    .demonstration-row {
        min-height: 148px;
        padding-block: 28px;
        grid-template-columns: 42px minmax(0, 1fr);
        gap: 12px;
    }

    .demonstration-title {
        font-size: 1.5rem;
    }

    .row-action {
        grid-column: 2;
    }

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

    .project-card {
        min-height: 390px;
    }

    .project-card h3 {
        padding-block: 52px;
        font-size: clamp(2.25rem, 11vw, 3.5rem);
    }

    .contact-main h2 {
        font-size: clamp(3.8rem, 18vw, 6.5rem);
    }

    .contact-email {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
        font-size: clamp(1.25rem, 6.2vw, 2rem);
    }

    .contact-links {
        grid-template-columns: 1fr;
    }

    .contact-links a {
        min-height: 74px;
    }

    .footer-inner {
        grid-template-columns: 1fr auto;
    }

    .footer-inner p:nth-child(2) {
        display: none;
    }
}

@media (max-width: 360px) {
    :root {
        --gutter: 16px;
    }

    .nav-toggle-label {
        display: none;
    }

    .nav-toggle {
        min-width: 44px;
    }

    .hero-title {
        font-size: 4.55rem;
    }

    .hero-meta {
        grid-template-columns: 1fr;
    }

    .scroll-cue {
        display: none;
    }

    .project-card {
        min-height: 350px;
    }
}

@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;
    }

    .js .reveal {
        opacity: 1;
        transform: none;
    }

    .hero-title-caret.is-complete {
        animation: none;
        opacity: 1;
    }
}