@layer reset, tokens, base, components, sections, responsive, motion;

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

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
    overflow-x: clip;
  }

  body,
  h1,
  h2,
  h3,
  p,
  ol,
  ul,
  blockquote,
  figure {
    margin: 0;
  }

  ol,
  ul {
    padding: 0;
    list-style: none;
  }

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

  a {
    color: inherit;
  }

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

@layer tokens {
  :root {
    --color-night: oklch(0.115 0.012 175);
    --color-surface: oklch(0.16 0.015 175);
    --color-surface-raised: oklch(0.22 0.02 175);
    --color-mineral: oklch(0.72 0.12 164);
    --color-mineral-deep: oklch(0.48 0.1 164);
    --color-iris: oklch(0.75 0.1 310);
    --color-studio: oklch(0.92 0.018 165);
    --color-ink-light: oklch(0.96 0.008 160);
    --color-ink-light-soft: oklch(0.74 0.018 160);
    --color-ink-dark: oklch(0.16 0.018 175);
    --color-ink-dark-soft: oklch(0.38 0.025 175);
    --color-line: oklch(0.28 0.02 175);

    --font-body: "Geologica", "Avenir Next", "Segoe UI", sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.8125rem;
    --text-base: 1rem;
    --text-lg: clamp(1.1rem, 1.55vw, 1.35rem);
    --text-title: clamp(2.4rem, 5.8vw, 5rem);
    --text-display: clamp(3.25rem, 8vw, 6rem);

    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-section: clamp(6rem, 11vw, 10rem);

    --radius-sm: 0.5rem;
    --radius-media: 1rem;
    --radius-pill: 999px;
    --shell: min(100% - clamp(2rem, 8vw, 10rem), 100rem);

    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-fast: 140ms;
    --duration-medium: 260ms;
    --duration-slow: 680ms;
    --z-header: 20;
    --z-skip: 30;
  }
}

@layer base {
  body {
    min-width: 20rem;
    overflow-x: clip;
    background: var(--color-night);
    color: var(--color-ink-light);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-kerning: normal;
    font-optical-sizing: auto;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }

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

  :focus-visible {
    outline: 3px solid var(--color-mineral);
    outline-offset: 4px;
  }

  main:focus {
    outline: none;
  }

  h1,
  h2,
  h3 {
    font-weight: 500;
    letter-spacing: -0.035em;
    line-height: 1;
    text-wrap: balance;
  }

  p,
  li {
    text-wrap: pretty;
  }

  .shell {
    width: var(--shell);
    margin-inline: auto;
  }

  .skip-link {
    position: fixed;
    z-index: var(--z-skip);
    top: var(--space-md);
    left: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    transform: translateY(-200%);
    border-radius: var(--radius-sm);
    background: var(--color-mineral);
    color: var(--color-ink-dark);
    font-weight: 600;
    text-decoration: none;
    transition: transform var(--duration-fast) var(--ease-out-quart);
  }

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

@layer components {
  .site-header {
    position: sticky;
    z-index: var(--z-header);
    top: 0;
    border-bottom: 1px solid var(--color-line);
    background: var(--color-night);
  }

  .nav-shell {
    display: flex;
    width: var(--shell);
    min-height: 4.75rem;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    margin-inline: auto;
  }

  .wordmark {
    display: inline-flex;
    min-width: 2.75rem;
    min-height: 2.75rem;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
  }

  .wordmark-mark {
    display: grid;
    width: 2.1rem;
    aspect-ratio: 1;
    place-items: center;
    border: 1px solid var(--color-mineral);
    border-radius: 50%;
    color: var(--color-mineral);
    font-size: 0.75rem;
    font-variation-settings: "wdth" 80;
    letter-spacing: -0.04em;
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: clamp(0.15rem, 1.5vw, 1.25rem);
    font-size: var(--text-sm);
    font-weight: 500;
  }

  .site-nav a {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    padding-inline: var(--space-sm);
    border-radius: var(--radius-pill);
    color: var(--color-ink-light-soft);
    text-decoration: none;
    transition:
      color var(--duration-fast) var(--ease-out-quart),
      background-color var(--duration-fast) var(--ease-out-quart);
  }

  .site-nav a:hover,
  .site-nav a[aria-current="true"] {
    color: var(--color-mineral);
  }

  .site-nav .nav-contact {
    padding-inline: var(--space-md);
    background: var(--color-mineral);
    color: var(--color-ink-dark);
  }

  .site-nav .nav-contact:hover {
    background: var(--color-ink-light);
    color: var(--color-ink-dark);
  }

  .button {
    display: inline-flex;
    min-height: 3.1rem;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.9rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    transition:
      transform var(--duration-medium) var(--ease-out-quart),
      background-color var(--duration-fast) var(--ease-out-quart),
      border-color var(--duration-fast) var(--ease-out-quart);
  }

  .button svg {
    width: 1.05rem;
    height: 1.05rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
  }

  .button-primary {
    background: var(--color-mineral);
    color: var(--color-ink-dark);
  }

  .button-secondary {
    border-color: var(--color-line);
    background: var(--color-surface-raised);
    color: var(--color-ink-light);
  }

  .button:hover {
    transform: translateY(-3px);
  }

  .button:active {
    transform: translateY(-1px) scale(0.98);
  }

  .section-heading {
    display: grid;
    align-items: end;
    gap: var(--space-xl);
    grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.6fr);
  }

  .section-heading h2 {
    font-size: var(--text-title);
    font-variation-settings: "wdth" 88;
  }

  .section-heading > p {
    max-width: 34rem;
    color: var(--color-ink-light-soft);
    font-size: var(--text-lg);
  }
}

@layer sections {
  .hero {
    display: grid;
    min-height: calc(100svh - 4.75rem);
    align-items: center;
    gap: clamp(3rem, 8vw, 8rem);
    padding-block: clamp(5rem, 12vh, 8rem);
    grid-template-columns: minmax(0, 1.55fr) minmax(19rem, 0.65fr);
  }

  .hero-copy {
    display: grid;
    justify-items: start;
    gap: clamp(1.5rem, 4vh, 2.75rem);
  }

  .hero-role {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-mineral);
    font-size: var(--text-sm);
    font-weight: 600;
  }

  .hero-role span {
    width: 0.6rem;
    aspect-ratio: 1;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 0 0.35rem oklch(0.72 0.12 164 / 12%);
  }

  .hero h1 {
    max-width: 11ch;
    font-size: var(--text-display);
    font-variation-settings: "wdth" 88;
    line-height: 0.94;
  }

  .hero-intro {
    max-width: 46rem;
    color: var(--color-ink-light-soft);
    font-size: var(--text-lg);
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .current-brief {
    position: relative;
    display: grid;
    min-height: 32rem;
    align-content: space-between;
    gap: var(--space-xl);
    overflow: hidden;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-media);
    background: var(--color-surface);
  }

  .brief-heading {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.35rem var(--space-md);
    color: var(--color-ink-light-soft);
    font-size: var(--text-xs);
    font-weight: 600;
  }

  .brief-heading p {
    color: var(--color-mineral);
  }

  .brief-title {
    max-width: 12ch;
    overflow-wrap: break-word;
    text-wrap: balance;
    font-size: clamp(1.85rem, 2.9vw, 2.6rem);
    font-variation-settings: "wdth" 88;
    font-weight: 500;
    letter-spacing: -0.035em;
    line-height: 0.98;
  }

  .current-brief ul {
    position: relative;
    z-index: 2;
    display: grid;
    gap: var(--space-sm);
    color: var(--color-ink-light-soft);
    font-size: var(--text-sm);
  }

  .current-brief li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  .current-brief li::before {
    width: 0.4rem;
    aspect-ratio: 1;
    border-radius: 50%;
    background: var(--color-mineral);
    content: "";
  }

  .brief-signal {
    position: absolute;
    z-index: 0;
    right: -6rem;
    bottom: -6rem;
    width: 18rem;
    aspect-ratio: 1;
    border: 1px solid var(--color-line);
    border-radius: 50%;
  }

  .brief-signal::before,
  .brief-signal::after {
    position: absolute;
    border: 1px solid var(--color-line);
    border-radius: 50%;
    content: "";
  }

  .brief-signal::before {
    inset: 19%;
  }

  .brief-signal::after {
    inset: 39%;
    background: var(--color-mineral);
  }

  .brief-signal span {
    position: absolute;
    width: 0.55rem;
    aspect-ratio: 1;
    border-radius: 50%;
    background: var(--color-iris);
  }

  .brief-signal span:first-child {
    top: 4%;
    left: 50%;
  }

  .brief-signal span:nth-child(2) {
    top: 50%;
    left: 4%;
  }

  .brief-signal span:last-child {
    right: 11%;
    bottom: 13%;
  }

  .work-section {
    padding-block: var(--space-section);
    border-top: 1px solid var(--color-line);
  }

  .work-list {
    margin-top: clamp(4rem, 8vw, 7rem);
    border-bottom: 1px solid var(--color-line);
  }

  .work-entry {
    position: relative;
    display: grid;
    gap: clamp(2rem, 5vw, 5rem);
    padding-block: clamp(3rem, 7vw, 6rem);
    border-top: 1px solid var(--color-line);
    grid-template-columns: minmax(10rem, 0.5fr) minmax(0, 1.5fr);
  }

  .work-meta {
    display: grid;
    align-content: start;
    gap: var(--space-xs);
    color: var(--color-ink-light-soft);
    font-size: var(--text-sm);
  }

  .work-meta p:first-child {
    margin-bottom: var(--space-sm);
    color: var(--color-mineral);
    font-weight: 600;
  }

  .work-main {
    display: grid;
    max-width: 56rem;
    gap: var(--space-xl);
  }

  .work-main h3 {
    max-width: 18ch;
    font-size: clamp(2.2rem, 5vw, 4.7rem);
    font-variation-settings: "wdth" 90;
    line-height: 0.98;
  }

  .work-main > p {
    max-width: 49rem;
    color: var(--color-ink-light-soft);
    font-size: var(--text-lg);
  }

  .work-evidence {
    display: grid;
    gap: var(--space-lg);
    margin-top: var(--space-md);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-line);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .work-evidence p {
    max-width: 32rem;
    color: var(--color-ink-light-soft);
  }

  .work-evidence strong {
    color: var(--color-ink-light);
    font-weight: 600;
  }

  .work-mark {
    position: absolute;
    top: clamp(3rem, 7vw, 6rem);
    right: 0;
    display: grid;
    width: 3rem;
    aspect-ratio: 1;
    place-items: center;
    border: 1px solid var(--color-line);
    border-radius: 50%;
    color: var(--color-mineral);
    font-size: var(--text-xs);
    font-weight: 600;
  }

  .research-section {
    padding-block: var(--space-section);
    background: var(--color-surface);
  }

  .research-shell {
    display: grid;
    gap: clamp(3rem, 8vw, 8rem);
    grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.55fr);
  }

  .research-statement {
    display: grid;
    gap: var(--space-xl);
  }

  .research-statement h2 {
    max-width: 13ch;
    color: var(--color-iris);
    font-size: var(--text-title);
    font-variation-settings: "wdth" 90;
  }

  .research-statement > p {
    max-width: 45rem;
    color: var(--color-ink-light-soft);
    font-size: var(--text-lg);
  }

  .research-statement blockquote {
    max-width: 52rem;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-line);
    font-size: clamp(1.45rem, 3vw, 2.6rem);
    font-variation-settings: "wdth" 95;
    font-weight: 400;
    letter-spacing: -0.025em;
    line-height: 1.22;
  }

  .research-details {
    display: grid;
    align-content: start;
    gap: var(--space-xl);
    padding-top: var(--space-sm);
  }

  .research-details > p {
    color: var(--color-iris);
    font-size: var(--text-sm);
    font-weight: 600;
  }

  .research-details ul {
    display: grid;
    gap: var(--space-md);
    color: var(--color-ink-light-soft);
  }

  .research-details li {
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-line);
  }

  .publications {
    margin-top: clamp(6rem, 12vw, 11rem);
  }

  .publication-heading {
    display: grid;
    align-items: end;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-line);
    grid-template-columns: 1fr 1fr;
  }

  .publication-heading h3 {
    font-size: clamp(2rem, 4vw, 3.5rem);
  }

  .publication-heading p {
    max-width: 30rem;
    justify-self: end;
    color: var(--color-ink-light-soft);
  }

  .publication-list a {
    display: grid;
    align-items: start;
    gap: var(--space-lg);
    padding-block: 1.35rem;
    border-bottom: 1px solid var(--color-line);
    text-decoration: none;
    transition:
      color var(--duration-fast) var(--ease-out-quart),
      background-color var(--duration-fast) var(--ease-out-quart);
    grid-template-columns: 4rem minmax(9rem, 0.55fr) minmax(0, 1.45fr) auto;
  }

  .publication-list a:hover {
    color: var(--color-mineral);
  }

  .paper-year,
  .paper-venue {
    color: var(--color-ink-light-soft);
    font-size: var(--text-sm);
  }

  .paper-title {
    max-width: 52rem;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    font-weight: 500;
    line-height: 1.45;
  }

  .paper-arrow {
    color: var(--color-mineral);
  }

  .studio-section {
    padding-block: var(--space-section);
    background: var(--color-studio);
    color: var(--color-ink-dark);
  }

  .studio-heading {
    display: grid;
    align-items: end;
    gap: clamp(3rem, 8vw, 8rem);
    grid-template-columns: minmax(0, 1.5fr) minmax(16rem, 0.5fr);
  }

  .studio-heading > div {
    display: grid;
    gap: var(--space-xl);
  }

  .studio-heading h2 {
    font-size: var(--text-title);
    font-variation-settings: "wdth" 88;
  }

  .studio-heading > div p {
    max-width: 50rem;
    color: var(--color-ink-dark-soft);
    font-size: var(--text-lg);
  }

  .studio-note {
    max-width: 28rem;
    color: var(--color-ink-dark-soft);
    font-size: var(--text-sm);
  }

  .studio-grid {
    display: grid;
    gap: clamp(1rem, 2vw, 2rem);
    margin-top: clamp(4rem, 9vw, 8rem);
    grid-template-columns: repeat(12, 1fr);
  }

  .studio-figure {
    display: grid;
    gap: var(--space-md);
    grid-column: span 5;
  }

  .studio-figure:nth-child(2) {
    align-self: end;
    grid-column: 7 / span 6;
  }

  .studio-figure:nth-child(3) {
    grid-column: 2 / span 4;
  }

  .studio-figure-wide {
    align-self: end;
    grid-column: 7 / span 6;
  }

  .studio-figure img {
    width: 100%;
    border-radius: var(--radius-media);
    box-shadow: 0 1.5rem 3rem oklch(0.16 0.018 175 / 18%);
    transition: transform 500ms var(--ease-out-expo);
  }

  .studio-figure:hover img {
    transform: translateY(-0.45rem) rotate(-0.4deg);
  }

  .studio-figure:nth-child(even):hover img {
    transform: translateY(-0.45rem) rotate(0.4deg);
  }

  .studio-figure figcaption {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    color: var(--color-ink-dark-soft);
    font-size: var(--text-sm);
  }

  .studio-figure figcaption span:first-child {
    color: var(--color-ink-dark);
    font-weight: 600;
  }

  .contact-section {
    padding-block: var(--space-section);
    border-top: 1px solid var(--color-line);
  }

  .contact-shell {
    display: grid;
    gap: clamp(3rem, 8vw, 8rem);
    grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  }

  .contact-shell h2 {
    max-width: 13ch;
    font-size: var(--text-title);
    font-variation-settings: "wdth" 88;
  }

  .contact-copy {
    display: grid;
    align-content: end;
    gap: var(--space-xl);
  }

  .contact-copy > p {
    color: var(--color-ink-light-soft);
    font-size: var(--text-lg);
  }

  .contact-links {
    border-top: 1px solid var(--color-line);
  }

  .contact-links a {
    display: flex;
    min-height: 3.5rem;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-line);
    color: var(--color-mineral);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out-quart);
  }

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

  .site-footer {
    display: flex;
    min-height: 7rem;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    border-top: 1px solid var(--color-line);
    color: var(--color-ink-light-soft);
    font-size: var(--text-sm);
  }
}

@layer responsive {
  @media (max-width: 64rem) {
    .hero {
      grid-template-columns: 1fr;
    }

    .current-brief {
      min-height: 24rem;
    }

    .research-shell,
    .contact-shell {
      grid-template-columns: 1fr;
    }

    .research-details {
      grid-template-columns: 0.6fr 1.4fr;
    }
  }

  @media (max-width: 48rem) {
    :root {
      --shell: min(100% - 2rem, 100rem);
    }

    .section-heading,
    .studio-heading,
    .publication-heading {
      align-items: start;
      grid-template-columns: 1fr;
    }

    .publication-heading p {
      justify-self: start;
    }

    .work-entry {
      grid-template-columns: 1fr;
    }

    .work-meta {
      padding-right: 4rem;
    }

    .work-evidence {
      grid-template-columns: 1fr;
    }

    .research-details {
      grid-template-columns: 1fr;
    }

    .publication-list a {
      gap: var(--space-sm) var(--space-md);
      grid-template-columns: 3.5rem 1fr auto;
    }

    .paper-venue {
      grid-column: 2;
    }

    .paper-title {
      grid-column: 2 / span 2;
    }

    .paper-arrow {
      grid-row: 1;
      grid-column: 3;
    }

    .studio-grid {
      display: flex;
      flex-direction: column;
      gap: var(--space-2xl);
    }

    .studio-figure {
      width: min(100%, 32rem);
    }

    .studio-figure:nth-child(even) {
      align-self: flex-end;
    }
  }

  @media (max-width: 40rem) {
    .hero {
      min-height: auto;
      padding-block: 4.5rem 6rem;
    }

    .hero h1 {
      font-size: clamp(3.25rem, 15vw, 5rem);
    }

    .hero-actions {
      width: 100%;
      flex-direction: column;
    }

    .button {
      width: 100%;
    }

    .current-brief {
      min-height: 27rem;
    }

    .brief-heading {
      flex-direction: column;
    }

    .work-mark {
      top: 3rem;
    }

    .work-main h3 {
      font-size: clamp(2.2rem, 11vw, 3.5rem);
    }

    .research-statement blockquote {
      font-size: 1.45rem;
    }

    .publication-list a {
      padding-block: 1.15rem;
    }

    .site-footer {
      min-height: 8rem;
      align-items: flex-start;
      flex-direction: column;
      justify-content: center;
      gap: var(--space-xs);
    }
  }

  @media (pointer: coarse) {
    .wordmark,
    .site-nav a,
    .button,
    .contact-links a {
      min-height: 3rem;
    }
  }
}

@layer motion {
  @keyframes hero-enter {
    from {
      transform: translateY(1rem);
      opacity: 0;
      filter: blur(0.35rem);
    }
    to {
      transform: translateY(0);
      opacity: 1;
      filter: blur(0);
    }
  }

  @keyframes signal-pulse {
    50% {
      transform: scale(1.15);
      opacity: 0.7;
    }
  }

  @media (prefers-reduced-motion: no-preference) {
    .hero-role,
    .hero h1,
    .hero-intro,
    .hero-actions,
    .current-brief {
      animation: hero-enter var(--duration-slow) var(--ease-out-expo) both;
    }

    .hero h1 {
      animation-delay: 80ms;
    }

    .hero-intro {
      animation-delay: 150ms;
    }

    .hero-actions {
      animation-delay: 220ms;
    }

    .current-brief {
      animation-delay: 180ms;
    }

    .hero-role span {
      animation: signal-pulse 2.6s var(--ease-out-quart) infinite;
    }
  }

  @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;
    }
  }

  /* Luminous signal system */
  :root {
    --canvas: oklch(0.115 0.026 278);
    --canvas-raised: oklch(0.15 0.035 273);
    --surface: oklch(0.18 0.044 274);
    --surface-bright: oklch(0.24 0.06 274);
    --ink: oklch(0.965 0.012 255);
    --ink-soft: oklch(0.78 0.025 260);
    --ink-faint: oklch(0.61 0.03 263);
    --line: oklch(0.36 0.045 275 / 0.55);
    --green: oklch(0.78 0.14 184);
    --green-strong: oklch(0.71 0.17 183);
    --green-dark: oklch(0.25 0.065 190);
    --iris: oklch(0.77 0.18 313);
    --violet: oklch(0.66 0.23 286);
    --blue: oklch(0.67 0.2 250);
    --coral: oklch(0.76 0.17 25);
    --studio-bg: oklch(0.94 0.024 250);
    --studio-ink: oklch(0.18 0.035 273);
    --studio-muted: oklch(0.41 0.036 262);
    --font-mono: "DM Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
    --gradient-signal: linear-gradient(
      120deg,
      var(--green) 0%,
      var(--blue) 40%,
      var(--violet) 68%,
      var(--coral) 100%
    );
    --gradient-quiet: linear-gradient(
      135deg,
      oklch(0.2 0.06 275) 0%,
      oklch(0.16 0.045 282) 48%,
      oklch(0.18 0.052 244) 100%
    );
  }

  body {
    background:
      radial-gradient(circle at 14% 9%, oklch(0.38 0.14 271 / 0.14), transparent 25rem),
      radial-gradient(circle at 88% 18%, oklch(0.44 0.14 191 / 0.1), transparent 23rem),
      var(--canvas);
  }

  .site-header {
    background: oklch(0.105 0.024 278);
    border-color: oklch(0.56 0.08 274 / 0.22);
  }

  .brand-mark {
    color: var(--green);
    border-color: oklch(0.78 0.14 184 / 0.66);
    background: radial-gradient(circle at 35% 30%, oklch(0.37 0.12 185 / 0.54), transparent 65%);
    box-shadow: 0 0 26px oklch(0.78 0.14 184 / 0.13);
  }

  .site-nav a {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: -0.02em;
  }

  .site-nav a:not(.nav-contact)::after {
    background: var(--gradient-signal);
  }

  .nav-contact,
  .button-primary {
    color: oklch(0.12 0.03 278);
    background: var(--gradient-signal);
    background-size: 180% 180%;
    box-shadow:
      0 11px 34px oklch(0.55 0.2 281 / 0.2),
      inset 0 1px 0 oklch(1 0 0 / 0.25);
  }

  .nav-contact:hover,
  .button-primary:hover {
    color: oklch(0.1 0.02 278);
    transform: translateY(-3px) scale(1.015);
    box-shadow:
      0 18px 40px oklch(0.56 0.2 281 / 0.28),
      inset 0 1px 0 oklch(1 0 0 / 0.35);
  }

  .hero {
    min-height: min(920px, calc(100svh - var(--header-height)));
    position: relative;
    isolation: isolate;
  }

  .hero::before {
    content: "";
    position: absolute;
    inset: 8% calc(50% - 50vw) auto 38%;
    height: 72%;
    border-radius: 50%;
    background:
      radial-gradient(circle at 28% 32%, oklch(0.73 0.2 183 / 0.34), transparent 27%),
      radial-gradient(circle at 65% 28%, oklch(0.68 0.23 291 / 0.4), transparent 34%),
      radial-gradient(circle at 55% 70%, oklch(0.72 0.19 23 / 0.25), transparent 31%);
    filter: blur(72px);
    opacity: 0.66;
    transform: translate3d(5%, -3%, 0) rotate(-8deg);
    animation: aurora-breathe 14s cubic-bezier(0.22, 1, 0.36, 1) infinite alternate;
    z-index: -2;
  }

  .hero-field {
    position: absolute;
    inset: 3.5rem calc(50% - 50vw) 1.5rem 36%;
    z-index: -1;
    pointer-events: none;
  }

  .hero-aurora {
    position: absolute;
    inset: 8% 5% 8% 8%;
    border-radius: 45% 55% 57% 43% / 52% 45% 55% 48%;
    background:
      linear-gradient(145deg, oklch(0.7 0.19 184 / 0.42), transparent 42%),
      linear-gradient(320deg, oklch(0.66 0.23 286 / 0.58), transparent 49%),
      oklch(0.19 0.06 274 / 0.88);
    filter: saturate(125%);
    box-shadow:
      inset 0 0 90px oklch(0.8 0.16 310 / 0.12),
      0 45px 120px oklch(0.45 0.18 282 / 0.24);
    transform: rotate(7deg);
    animation: field-morph 18s cubic-bezier(0.65, 0, 0.35, 1) infinite alternate;
  }

  .hero-aurora::before,
  .hero-aurora::after {
    content: "";
    position: absolute;
    border-radius: inherit;
    mix-blend-mode: screen;
  }

  .hero-aurora::before {
    inset: 9% 12% 27% 21%;
    background: radial-gradient(circle at 35% 30%, oklch(0.88 0.14 185 / 0.68), transparent 55%);
    filter: blur(24px);
  }

  .hero-aurora::after {
    inset: 34% 6% 5% 38%;
    background: radial-gradient(circle at 50% 50%, oklch(0.77 0.2 319 / 0.6), transparent 58%);
    filter: blur(36px);
  }

  .signal-map {
    position: absolute;
    inset: 0 auto 0 0;
    width: min(100%, 58rem);
    height: 100%;
    overflow: visible;
  }

  .signal-map path,
  .signal-map circle {
    fill: none;
    stroke: oklch(0.95 0.03 245 / 0.72);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    vector-effect: non-scaling-stroke;
  }

  .signal-path {
    stroke-dasharray: 9 12;
    animation: signal-travel 16s linear infinite;
  }

  .signal-path-echo {
    stroke: oklch(0.8 0.19 186 / 0.58);
    stroke-dasharray: 2 11;
    animation-duration: 22s;
    animation-direction: reverse;
  }

  .signal-point circle:first-child {
    fill: oklch(0.13 0.03 278 / 0.24);
    stroke: oklch(0.83 0.16 183 / 0.82);
  }

  .signal-point circle:last-child {
    fill: var(--coral);
    stroke: none;
  }

  .signal-point-two {
    animation: marker-float 7s ease-in-out infinite alternate;
    transform-origin: 358px 132px;
  }

  .gaze-cluster,
  .gaze-tick {
    animation: doodle-float 8s ease-in-out infinite alternate;
    transform-origin: center;
  }

  .gaze-tick {
    animation-duration: 10s;
    animation-direction: alternate-reverse;
  }

  /* Gaze plot vocabulary: ring radius reads as dwell time, the filled core is
     the fixation itself, and the dashed hop is the saccade between them. */
  .signal-dwell {
    stroke: oklch(0.83 0.16 183 / 0.42);
    stroke-dasharray: 3 7;
    fill: none;
  }

  .gaze-cluster .signal-dwell {
    stroke: oklch(0.84 0.16 313 / 0.5);
  }

  .gaze-cluster circle,
  .gaze-tick circle {
    fill: oklch(0.13 0.03 278 / 0.28);
    stroke: oklch(0.84 0.16 313 / 0.62);
  }

  /* Brief fixations read as solid dots; only the long dwell earns rings. */
  .gaze-cluster .gaze-dot,
  .gaze-tick .gaze-dot {
    fill: oklch(0.84 0.16 313 / 0.72);
    stroke: none;
  }

  .gaze-cluster .gaze-core,
  .gaze-tick .gaze-core {
    fill: var(--iris);
    stroke: none;
  }


  .hero-copy {
    position: relative;
    z-index: 2;
  }

  .hero-role,
  .work-meta > p:first-child,
  .brief-heading p {
    color: var(--green);
  }

  .hero-role,
  .brief-heading,
  .work-meta,
  .paper-year,
  .paper-venue,
  .research-details > p,
  .studio-note {
    font-family: var(--font-mono);
  }

  .hero h1 {
    max-width: 10ch;
    text-shadow: 0 10px 46px oklch(0.05 0.02 275 / 0.7);
  }

  .hero-intro {
    color: oklch(0.84 0.025 255);
  }

  .button-secondary {
    background:
      linear-gradient(var(--canvas-raised), var(--canvas-raised)) padding-box,
      var(--gradient-signal) border-box;
    border: 1px solid transparent;
    color: var(--ink);
    box-shadow: 0 10px 32px oklch(0.05 0.03 275 / 0.25);
  }

  .button-secondary:hover {
    background:
      linear-gradient(oklch(0.21 0.05 273), oklch(0.21 0.05 273)) padding-box,
      var(--gradient-signal) border-box;
    transform: translateY(-3px);
  }

  .current-brief {
    position: relative;
    z-index: 3;
    overflow: hidden;
    background:
      linear-gradient(145deg, oklch(0.16 0.046 273 / 0.95), oklch(0.12 0.033 276 / 0.97))
        padding-box,
      var(--gradient-signal) border-box;
    border: 1px solid transparent;
    box-shadow:
      0 35px 90px oklch(0.04 0.02 275 / 0.52),
      inset 0 1px 0 oklch(1 0 0 / 0.08);
    transform: rotate(1.5deg);
    transition:
      transform 650ms var(--ease-out),
      box-shadow 650ms var(--ease-out);
  }

  .current-brief:hover {
    transform: rotate(0deg) translateY(-7px);
    box-shadow:
      0 46px 110px oklch(0.04 0.02 275 / 0.62),
      0 0 54px oklch(0.64 0.2 286 / 0.13),
      inset 0 1px 0 oklch(1 0 0 / 0.1);
  }

  .brief-doodle {
    position: absolute;
    top: 4.5rem;
    right: -0.4rem;
    width: 5.25rem;
    color: var(--iris);
    opacity: 0.35;
    transform: rotate(12deg);
  }

  .brief-doodle path,
  .brief-doodle circle {
    fill: none;
    stroke: currentcolor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .brief-doodle-core {
    fill: currentcolor;
    stroke: none;
  }

  .brief-signal span {
    background: var(--gradient-signal);
    box-shadow: 0 0 22px oklch(0.75 0.19 285 / 0.28);
  }

  .work-section {
    position: relative;
    background:
      radial-gradient(circle at 92% 11%, oklch(0.49 0.17 286 / 0.1), transparent 24rem),
      linear-gradient(180deg, oklch(0.115 0.026 278), oklch(0.14 0.032 276));
  }

  .section-heading h2::after,
  .publication-heading h3::after {
    content: "";
    display: block;
    width: 3.2rem;
    height: 0.24rem;
    margin-top: 1rem;
    border-radius: 999px;
    background: var(--gradient-signal);
  }

  .work-entry {
    position: relative;
    border-color: oklch(0.5 0.06 273 / 0.26);
    border-radius: 1.35rem;
    isolation: isolate;
    overflow: hidden;
    transition:
      transform 600ms var(--ease-out),
      border-color 600ms var(--ease-out),
      box-shadow 600ms var(--ease-out);
  }

  .work-entry::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(circle at 88% 20%, oklch(0.66 0.22 288 / 0.2), transparent 28%),
      linear-gradient(110deg, oklch(0.22 0.055 274 / 0.84), oklch(0.15 0.035 276 / 0.12));
    opacity: 0;
    transition: opacity 600ms var(--ease-out);
    z-index: -1;
  }

  .work-entry:hover {
    transform: translate3d(0, -7px, 0);
    border-color: oklch(0.7 0.14 284 / 0.42);
    box-shadow: 0 28px 62px oklch(0.05 0.03 276 / 0.38);
  }

  .work-entry:hover::before {
    opacity: 1;
  }

  .work-entry h3 {
    transition:
      transform 600ms var(--ease-out),
      color 600ms var(--ease-out);
  }

  .work-entry:hover h3 {
    color: oklch(0.98 0.015 275);
    transform: translateX(0.35rem);
  }

  .work-mark {
    width: 3.75rem;
    height: 3.75rem;
    border: 1px solid oklch(0.68 0.12 279 / 0.4);
    background: oklch(0.19 0.05 274 / 0.72);
    color: var(--green);
    box-shadow: inset 0 0 22px oklch(0.65 0.2 285 / 0.1);
    transition:
      transform 650ms var(--ease-out),
      color 650ms var(--ease-out),
      border-color 650ms var(--ease-out);
  }

  .work-mark svg {
    width: 2.15rem;
    height: 2.15rem;
  }

  .work-mark path,
  .work-mark circle {
    fill: none;
    stroke: currentcolor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .work-entry:hover .work-mark {
    color: var(--iris);
    border-color: oklch(0.77 0.18 313 / 0.72);
    transform: rotate(-8deg) scale(1.1);
  }

  .work-evidence {
    border-color: oklch(0.5 0.07 274 / 0.25);
  }

  .research-section {
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 14% 21%, oklch(0.61 0.22 291 / 0.3), transparent 27rem),
      radial-gradient(circle at 88% 73%, oklch(0.55 0.17 194 / 0.17), transparent 24rem),
      linear-gradient(145deg, oklch(0.16 0.055 279), oklch(0.11 0.03 258));
  }

  .research-section::before {
    content: "";
    position: absolute;
    top: -10rem;
    right: -9rem;
    width: 27rem;
    aspect-ratio: 1;
    border: 1px dashed oklch(0.8 0.16 313 / 0.23);
    border-radius: 50%;
    box-shadow:
      0 0 0 3.5rem oklch(0.78 0.18 313 / 0.025),
      0 0 0 8rem oklch(0.71 0.17 183 / 0.02);
    animation: orbit-turn 38s linear infinite;
  }

  .research-statement h2 {
    color: oklch(0.88 0.14 314);
    text-shadow: 0 12px 44px oklch(0.55 0.24 295 / 0.2);
  }

  .research-statement blockquote {
    border-image: var(--gradient-signal) 1;
  }

  .research-details li,
  .publication-list li {
    border-color: oklch(0.55 0.08 273 / 0.24);
  }

  .publication-list a {
    position: relative;
    transition:
      transform 500ms var(--ease-out),
      background 500ms var(--ease-out),
      color 500ms var(--ease-out);
  }

  .publication-list a:hover {
    background:
      linear-gradient(90deg, oklch(0.66 0.22 288 / 0.15), transparent 72%);
    transform: translateX(0.45rem);
  }

  .paper-arrow {
    color: var(--green);
    transition: transform 450ms var(--ease-out);
  }

  .publication-list a:hover .paper-arrow {
    color: var(--iris);
    transform: translate(0.24rem, -0.24rem) rotate(5deg);
  }

  .studio-section {
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 8% 10%, oklch(0.85 0.12 187 / 0.48), transparent 24rem),
      radial-gradient(circle at 92% 22%, oklch(0.87 0.1 310 / 0.44), transparent 28rem),
      linear-gradient(145deg, oklch(0.96 0.02 246), oklch(0.91 0.04 286));
  }

  .studio-section::after {
    content: "";
    position: absolute;
    right: -7rem;
    bottom: 7rem;
    width: 22rem;
    aspect-ratio: 1;
    border-radius: 47% 53% 62% 38% / 41% 48% 52% 59%;
    background: var(--gradient-signal);
    filter: blur(58px);
    opacity: 0.16;
    animation: field-morph 17s ease-in-out infinite alternate-reverse;
  }

  .studio-shell {
    position: relative;
    z-index: 1;
  }

  .studio-heading {
    position: relative;
  }

  .studio-doodle {
    position: absolute;
    top: -2.8rem;
    right: 1rem;
    width: 8rem;
    color: oklch(0.47 0.2 287);
    transform: rotate(7deg);
  }

  .studio-doodle path,
  .studio-doodle circle,
  .contact-doodle path {
    fill: none;
    stroke: currentcolor;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .studio-note {
    color: oklch(0.36 0.065 276);
  }

  .studio-figure {
    transition:
      transform 700ms var(--ease-out),
      filter 700ms var(--ease-out);
  }

  .studio-figure img {
    border: 1px solid oklch(0.36 0.06 270 / 0.12);
    box-shadow:
      0 24px 65px oklch(0.24 0.09 278 / 0.15),
      0 2px 10px oklch(0.2 0.04 270 / 0.08);
    transition:
      transform 900ms var(--ease-out),
      box-shadow 900ms var(--ease-out);
  }

  .studio-figure:hover {
    transform: translateY(-0.65rem) rotate(-0.4deg);
  }

  .studio-figure:nth-child(even):hover {
    transform: translateY(-0.65rem) rotate(0.4deg);
  }

  .studio-figure:hover img {
    transform: scale(1.018);
    box-shadow:
      0 34px 86px oklch(0.32 0.12 279 / 0.22),
      0 3px 12px oklch(0.2 0.04 270 / 0.1);
  }

  .contact-section {
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 14% 84%, oklch(0.58 0.19 191 / 0.18), transparent 28rem),
      radial-gradient(circle at 83% 12%, oklch(0.62 0.22 292 / 0.2), transparent 24rem),
      var(--canvas);
  }

  .contact-section::before {
    content: "";
    position: absolute;
    inset: auto auto -13rem 37%;
    width: 34rem;
    height: 22rem;
    background: var(--gradient-signal);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.18;
  }

  .contact-doodle {
    width: min(15rem, 70%);
    margin-top: 2rem;
    color: var(--iris);
    transform: rotate(-3deg);
  }

  .contact-links a {
    position: relative;
    overflow: hidden;
    transition:
      transform 500ms var(--ease-out),
      color 500ms var(--ease-out);
  }

  .contact-links a::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, oklch(0.7 0.19 187 / 0.14), oklch(0.7 0.2 290 / 0.08));
    transform: translateX(-102%);
    transition: transform 600ms var(--ease-out);
    z-index: -1;
  }

  .contact-links a:hover {
    color: oklch(0.88 0.13 309);
    transform: translateX(0.35rem);
  }

  .contact-links a:hover::before {
    transform: translateX(0);
  }

  @keyframes gradient-drift {
    0% {
      background-position: 0% 50%;
    }

    100% {
      background-position: 100% 50%;
    }
  }

  @keyframes aurora-breathe {
    0% {
      transform: translate3d(2%, -4%, 0) rotate(-9deg) scale(0.96);
    }

    100% {
      transform: translate3d(8%, 4%, 0) rotate(4deg) scale(1.08);
    }
  }

  @keyframes field-morph {
    0% {
      transform: rotate(7deg) scale(0.98) translate3d(0, 0, 0);
    }

    50% {
      transform: rotate(1deg) scale(1.03) translate3d(1.5%, -1.5%, 0);
    }

    100% {
      transform: rotate(-5deg) scale(1.05) translate3d(0, 0, 0);
    }
  }

  @keyframes signal-travel {
    to {
      stroke-dashoffset: -210;
    }
  }

  @keyframes marker-float {
    to {
      transform: translate(13px, -10px) rotate(8deg);
    }
  }

  @keyframes doodle-float {
    to {
      transform: translate(7px, -9px) rotate(4deg);
    }
  }

  @keyframes orbit-turn {
    to {
      transform: rotate(360deg);
    }
  }

  @media (max-width: 900px) {
    .hero {
      overflow: hidden;
    }

    .hero-field {
      inset: 18rem -12rem 10rem 38%;
      opacity: 0.62;
    }

    .current-brief {
      transform: none;
    }

    .studio-doodle {
      top: -2rem;
      right: -1rem;
      opacity: 0.7;
    }
  }

  @media (max-width: 680px) {
    .site-header {
      background: oklch(0.105 0.024 278);
    }

    .hero {
      min-height: auto;
    }

    .hero::before {
      inset: 18% -42% auto 22%;
      height: 42%;
      filter: blur(50px);
    }

    .hero-field {
      inset: 7.5rem -13rem auto 24%;
      height: 31rem;
      opacity: 0.42;
    }

    .hero-aurora {
      inset: 15% 8% 13% 2%;
    }

    .hero-copy {
      text-shadow: 0 6px 28px var(--canvas);
    }

    .hero h1 {
      max-width: 9ch;
    }

    .current-brief {
      background:
        linear-gradient(145deg, oklch(0.16 0.046 273), oklch(0.12 0.033 276)) padding-box,
        var(--gradient-signal) border-box;
    }

    .work-entry {
      border-radius: 1rem;
    }

    .work-entry:hover,
    .work-entry:hover h3,
    .publication-list a:hover,
    .contact-links a:hover {
      transform: none;
    }

    .studio-doodle {
      display: none;
    }

    .studio-figure:hover,
    .studio-figure:nth-child(even):hover,
    .studio-figure:hover img {
      transform: none;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .hero::before,
    .hero-aurora,
    .signal-path,
    .signal-point-two,
    .gaze-cluster,
    .gaze-tick,
    .nav-contact,
    .button-primary,
    .research-section::before,
    .studio-section::after {
      animation: none;
    }

    .current-brief,
    .work-entry,
    .work-entry h3,
    .work-mark,
    .publication-list a,
    .paper-arrow,
    .studio-figure,
    .studio-figure img,
    .contact-links a,
    .contact-links a::before {
      transition-duration: 0.01ms;
    }
  }
}

/* Responsive navigation: inline links on wide viewports, disclosure menu below. */
.nav-toggle {
  display: none;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.55rem;
  padding-inline: 0.85rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: oklch(1 0 0 / 0.03);
  color: var(--color-ink-light);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition:
    border-color var(--duration-fast) var(--ease-out-quart),
    background-color var(--duration-fast) var(--ease-out-quart);
}

.nav-toggle:hover {
  border-color: oklch(0.78 0.13 184 / 0.55);
  background: oklch(1 0 0 / 0.07);
}

.nav-toggle-glyph svg {
  display: block;
  width: 1.6rem;
  height: auto;
  overflow: visible;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.8;
}

.nav-toggle-glyph path {
  transition:
    transform 420ms var(--ease-out-quart),
    opacity 220ms var(--ease-out-quart);
  transform-box: fill-box;
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-top {
  transform: translateY(4.6px) rotate(27deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-mid {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bot {
  transform: translateY(-4.6px) rotate(-27deg);
}

@media (max-width: 52rem) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    z-index: 1;
    top: 100%;
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 0.6rem clamp(1rem, 4vw, 4rem) 1.35rem;
    border-bottom: 1px solid var(--color-line);
    background: var(--color-night);
    box-shadow: 0 28px 60px oklch(0.04 0.02 275 / 0.65);
    pointer-events: none;
    gap: 0.15rem;
    opacity: 0;
    transform: translateY(-0.6rem);
    transition:
      opacity 260ms var(--ease-out-quart),
      transform 320ms var(--ease-out-quart),
      visibility 320ms;
    visibility: hidden;
  }

  .site-header[data-nav-open="true"] .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    justify-content: flex-start;
    padding-block: 0.35rem;
    padding-inline: 0.9rem;
    font-size: var(--text-md);
  }

  .site-nav .nav-contact {
    margin-top: 0.55rem;
    justify-content: center;
  }

  .site-nav a:not(.nav-contact)::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav,
  .nav-toggle-glyph path {
    transition-duration: 0.01ms;
  }
}

/* Scroll performance: heavily blurred ambient layers are expensive to rasterize,
   so their motion is suspended while their section is outside the viewport. */
[data-motion="idle"],
[data-motion="idle"] *,
[data-motion="idle"]::before,
[data-motion="idle"]::after {
  animation-play-state: paused !important;
}

.hero-aurora,
.hero-field,
.signal-map,
.studio-glow,
.research-orbit {
  will-change: transform;
  backface-visibility: hidden;
}

/* Footer credit ----------------------------------------------------------- */

.footer-copilot {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  color: var(--color-ink-light);
  text-decoration-color: oklch(1 0 0 / 0.25);
  text-underline-offset: 0.25em;
  transition: color var(--duration-fast) var(--ease-out-quart);
}

.footer-copilot:hover,
.footer-copilot:focus-visible {
  color: var(--iris);
  text-decoration-color: currentColor;
}

.copilot-mark {
  inline-size: 1.05em;
  block-size: 1.05em;
  fill: currentColor;
  translate: 0 0.06em;
}