@layer base, layout, components, motion;

@layer base {
  @font-face {
    font-family: 'Geist';
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url(/fonts/geist-normal-400-600.woff2) format('woff2');
  }
  @font-face {
    font-family: 'Geist Mono';
    font-style: normal;
    font-weight: 400 500;
    font-display: swap;
    src: url(/fonts/geistmono-normal-400-500.woff2) format('woff2');
  }
  @font-face {
    font-family: 'Newsreader';
    font-style: italic;
    font-weight: 400;
    font-display: swap;
    src: url(/fonts/newsreader-italic-400.woff2) format('woff2');
  }
  @font-face {
    font-family: 'Newsreader';
    font-style: normal;
    font-weight: 400 500;
    font-display: swap;
    src: url(/fonts/newsreader-normal-400-500.woff2) format('woff2');
  }

  :root {
    --paper: #F2EFE8;
    --paper-2: #E9E5DB;
    --ink: #15140F;
    --ink-2: #3A3832;
    --muted: #625E55;
    --rule: rgba(21, 20, 15, .16);
    --rule-strong: rgba(21, 20, 15, .55);
    --accent: #D9381A;
    --accent-ink: #A82A0F;
    --night: #14130F;
    --night-2: #1F1D18;
    --night-text: #ECE8DF;
    --night-muted: #A8A399;
    --night-accent: #FF6A47;

    --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
    --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

    --gutter: clamp(16px, 4vw, 56px);
    --max: 1440px;
    --step--1: clamp(.8rem, .78rem + .1vw, .875rem);
    --step-0: clamp(1rem, .96rem + .2vw, 1.125rem);
    --step-1: clamp(1.2rem, 1.1rem + .45vw, 1.5rem);
    --step-2: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
    --step-3: clamp(2rem, 1.6rem + 2vw, 3.5rem);
    --step-4: clamp(2.6rem, 1.8rem + 4vw, 5.5rem);
    --step-5: clamp(3.9rem, 2rem + 7.4vw, 10rem);
    --space: clamp(4.5rem, 3rem + 7vw, 10rem);
  }

  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }
  @media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
  body {
    background: var(--paper);
    color: var(--ink);
    font: 400 var(--step-0)/1.6 var(--sans);
    font-feature-settings: "ss01", "cv11";
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    overflow-x: clip;
  }
  img, svg, canvas { display: block; max-width: 100%; height: auto; }
  a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
  a:hover { color: var(--accent-ink); }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
  ul, ol { padding: 0; }
  h1, h2, h3, h4 { font-weight: 500; line-height: 1.1; text-wrap: balance; }
  p { text-wrap: pretty; }
  code { font: .9em var(--mono); }
  .mono { font-family: var(--mono); font-size: .82em; letter-spacing: 0; }
  ::selection { background: var(--accent); color: #fff; }

  .skip {
    position: absolute; left: var(--gutter); top: -100px; z-index: 100;
    background: var(--ink); color: var(--paper); padding: .6rem 1rem;
  }
  .skip:focus { top: .75rem; color: var(--paper); }
}

@layer layout {
  .wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
  main > section { padding-block: var(--space) 0; }

  .sec-head {
    display: flex; align-items: baseline; gap: 1rem;
    border-top: 1px solid var(--rule-strong);
    padding-top: 1rem; margin-bottom: clamp(2rem, 4vw, 4rem);
  }
  .sec-head h2 { font: 400 var(--step-1)/1.2 var(--sans); letter-spacing: -.01em; }
  .sec-num { font: 500 var(--step--1) var(--mono); color: var(--accent-ink); }
  .sec-intro { color: var(--muted); max-width: 40ch; margin: -2rem 0 2.5rem; }
}

@layer components {
  /* header */
  .site-head {
    position: sticky; top: 0; z-index: 50;
    background: color-mix(in srgb, var(--paper) 94%, transparent);
    border-bottom: 1px solid transparent;
    transition: border-color .2s;
  }
  .site-head.scrolled { border-bottom-color: var(--rule); }
  .head-row { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2rem); height: 4rem; }
  .mark { font: 500 1.25rem/1 var(--serif); text-decoration: none; letter-spacing: -.01em; margin-right: auto; }
  .site-nav ul { display: flex; gap: clamp(1rem, 2vw, 1.75rem); list-style: none; }
  .site-nav a { font-size: .9rem; text-decoration: none; color: var(--ink-2); padding-block: .4rem; border-bottom: 1px solid transparent; }
  .site-nav a:hover, .site-nav a[aria-current="true"] { color: var(--ink); border-bottom-color: var(--accent); }
  .status { display: inline-flex; align-items: center; gap: .5rem; font-size: .85rem; color: var(--ink-2); text-decoration: none; white-space: nowrap; }
  .dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--accent); flex: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
  .menu-btn { display: none; }

  @media (max-width: 1080px) { .status { display: none; } }
  @media (max-width: 860px) {
    .head-row { flex-wrap: wrap; height: auto; min-height: 3.5rem; padding-block: .6rem; }
    .site-nav { order: 5; flex-basis: 100%; }
    .site-nav ul { flex-wrap: wrap; gap: .25rem 1.25rem; }
    .js .menu-btn {
      display: inline-flex; font: 500 .9rem var(--sans); background: none; color: var(--ink);
      border: 1px solid var(--rule-strong); border-radius: 999px; padding: .45rem .9rem; cursor: pointer; order: 2;
    }
    .js .site-nav { display: none; }
    .js .site-nav.open { display: block; padding-block: .5rem 1rem; }
    .js .site-nav.open ul { flex-direction: column; gap: 0; }
    .js .site-nav.open a { display: block; font: 400 var(--step-2)/1.5 var(--serif); color: var(--ink); border: 0; padding-block: .15rem; }
    .head-row > .btn-sm { order: 3; }
    .mark-n { display: none; }
  }

  /* buttons */
  .btn {
    display: inline-flex; align-items: center; gap: .5rem;
    font: 500 .95rem/1 var(--sans); text-decoration: none;
    padding: .9rem 1.25rem; border: 1px solid var(--ink); border-radius: 999px;
    color: var(--ink); background: transparent;
    transition: background-color .18s, color .18s, transform .18s;
  }
  .btn:hover { background: var(--ink); color: var(--paper); }
  .btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
  .btn-primary:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
  .btn-sm { padding: .55rem .95rem; font-size: .875rem; }
  .btn-invert { border-color: var(--night-text); color: var(--night-text); }
  .btn-invert:hover { background: var(--night-text); color: var(--night); }
  .text-link { font-weight: 500; text-decoration-color: var(--accent); }

  /* hero */
  .hero {
    display: grid; grid-template-columns: repeat(12, 1fr); gap: 0 var(--gutter);
    align-items: end; padding-block: clamp(2.5rem, 6vw, 5.5rem) clamp(2.5rem, 5vw, 4.5rem);
    min-height: min(calc(100svh - 4rem), 980px);
  }
  .hero-text { grid-column: 1 / span 7; align-self: center; }
  .hero-kicker { font-size: var(--step--1); color: var(--muted); margin-bottom: clamp(1rem, 2vw, 1.75rem); }
  .hero-name {
    font: 400 var(--step-5)/.9 var(--serif); letter-spacing: -.035em;
    font-variation-settings: "opsz" 72; margin-left: -.04em;
  }
  .hero-name em { display: block; font-style: italic; color: var(--ink-2); }
  .hero-lede { font-size: var(--step-1); line-height: 1.45; max-width: 34ch; margin-top: clamp(1.5rem, 3vw, 2.5rem); color: var(--ink-2); }
  .hero-lede a { color: var(--ink); text-decoration-color: var(--accent); text-decoration-thickness: 2px; }

  .avail { border-left: 2px solid var(--accent); padding: .2rem 0 .2rem 1rem; margin-top: clamp(1.5rem, 3vw, 2.25rem); }
  .avail-head { display: flex; align-items: center; gap: .6rem; font-weight: 500; }
  .avail-head .dot { display: none; }
  .avail-roles { font-size: var(--step--1); color: var(--muted); margin-top: .2rem; }
  .avail-roles .r { white-space: nowrap; }
  .avail-roles .r:not(:last-child)::after { content: "/"; color: var(--accent); padding: 0 .2rem 0 .45rem; }

  .cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; margin-top: clamp(1.5rem, 3vw, 2.25rem); }
  .link-cta { font-weight: 500; padding: .6rem .25rem; text-decoration-color: var(--accent); }
  .hero-links { display: flex; flex-wrap: wrap; gap: .25rem 1.5rem; list-style: none; margin-top: 1.5rem; font-size: .9rem; }
  .hero-links a { color: var(--ink-2); padding-block: .4rem; display: inline-block; }

  .hero-fig { grid-column: 8 / -1; align-self: stretch; display: flex; flex-direction: column; min-height: 420px; }
  .fig-frame {
    position: relative; flex: 1; min-height: 320px;
    border: 1px solid var(--rule-strong);
    background-color: var(--paper);
    background-image:
      linear-gradient(var(--rule) 1px, transparent 1px),
      linear-gradient(90deg, var(--rule) 1px, transparent 1px);
    background-size: 48px 48px;
  }
  .js .fig-frame { background-image: none; }
  #planner { position: absolute; inset: 0; width: 100%; height: 100%; cursor: crosshair; touch-action: manipulation; }
  .hero-fig figcaption { display: flex; flex-direction: column; gap: .5rem; font-size: .8rem; line-height: 1.45; color: var(--muted); padding-top: .75rem; }
  .hero-fig figcaption strong { color: var(--ink); font-weight: 600; margin-right: .35rem; }
  .fig-hint { display: none; }
  .js .fig-hint { display: inline; }
  .fig-meta { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 2rem; }
  .fig-btn { font: 500 .8rem var(--sans); background: none; border: 1px solid var(--rule-strong); color: var(--ink); border-radius: 999px; padding: .4rem .8rem; cursor: pointer; }
  .fig-btn:hover { background: var(--ink); color: var(--paper); }

  @media (max-width: 960px) {
    .hero { min-height: 0; align-items: start; }
    .hero-text, .hero-fig { grid-column: 1 / -1; }
    .hero-fig { margin-top: 3rem; min-height: 0; }
    .fig-frame { flex: none; height: clamp(280px, 62vw, 440px); }
  }
  @media (max-width: 480px) {
    .cta-row .btn { flex: 1 1 auto; justify-content: center; }
    .link-cta { display: none; }
  }

  /* signals */
  .signals { border-block: 1px solid var(--rule-strong); padding-block: 0; background: var(--paper-2); }
  .signal-list { display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; }
  .signal-list li { display: flex; flex-direction: column; gap: .5rem; padding: clamp(1.25rem, 2.5vw, 2rem) clamp(1rem, 2vw, 1.75rem); border-left: 1px solid var(--rule); }
  .signal-list li:first-child { border-left: 0; padding-left: 0; }
  .sig-big { font: 400 var(--step-3)/1 var(--serif); letter-spacing: -.02em; }
  .sig-text { font-size: .9rem; line-height: 1.45; color: var(--ink-2); max-width: 28ch; }
  .sig-link { margin-top: auto; padding-top: .5rem; font-size: .82rem; font-weight: 500; color: var(--accent-ink); }
  @media (max-width: 860px) {
    .signal-list { grid-template-columns: 1fr 1fr; }
    .signal-list li:nth-child(odd) { border-left: 0; padding-left: 0; }
    .signal-list li:nth-child(n+3) { border-top: 1px solid var(--rule); }
  }
  @media (max-width: 420px) {
    .signal-list { grid-template-columns: 1fr; }
    .signal-list li { border-left: 0; padding-left: 0; display: grid; grid-template-columns: 6.5rem 1fr; column-gap: 1rem; }
    .signal-list li + li { border-top: 1px solid var(--rule); }
    .sig-big { grid-row: span 2; font-size: 2.2rem; }
    .sig-link { padding-top: 0; }
  }

  /* about */
  .about-lede { font: 400 var(--step-3)/1.15 var(--serif); letter-spacing: -.02em; max-width: 26ch; margin-bottom: clamp(3rem, 6vw, 5.5rem); }
  .about-grid { display: grid; grid-template-columns: 5fr 5fr 3fr; gap: clamp(2rem, 4vw, 4.5rem); }
  .about-block h3, .about-now h3 { font: 500 .85rem var(--sans); color: var(--muted); margin-bottom: 1.25rem; }
  .plain { list-style: none; display: grid; gap: 1rem; }
  .plain strong, .principles span { font-weight: 600; color: var(--ink); }
  .plain li, .principles li { color: var(--ink-2); }
  .principles { list-style: none; counter-reset: p; display: grid; gap: 1rem; }
  .principles li { counter-increment: p; padding-left: 2.2rem; position: relative; }
  .principles li::before { content: counter(p, decimal-leading-zero); position: absolute; left: 0; top: .2em; font: 500 .78rem var(--mono); color: var(--accent-ink); }
  .principles span { display: block; }
  .about-now dl { display: grid; gap: .9rem; border-top: 1px solid var(--rule); padding-top: 1rem; }
  .about-now dt { font-size: .78rem; color: var(--muted); }
  .about-now dd { font-size: .95rem; }
  @media (max-width: 1000px) {
    .about-grid { grid-template-columns: 1fr 1fr; }
    .about-now { grid-column: 1 / -1; }
    .about-now dl { grid-template-columns: repeat(4, 1fr); }
  }
  @media (max-width: 680px) {
    .about-grid { grid-template-columns: 1fr; }
    .about-now dl { grid-template-columns: 1fr 1fr; }
  }

  /* experience */
  .roles { list-style: none; }
  .role {
    display: grid; grid-template-columns: 2fr 3fr 6fr; gap: 1rem clamp(1.5rem, 3vw, 3rem);
    padding-block: clamp(1.75rem, 3vw, 2.75rem); border-top: 1px solid var(--rule);
  }
  .role:last-child { border-bottom: 1px solid var(--rule); }
  .role-when { display: flex; flex-direction: column; gap: .35rem; }
  .yr { font: 400 var(--step-3)/.9 var(--serif); letter-spacing: -.02em; }
  .role-when .mono { color: var(--muted); }
  .role-who h3 { font: 500 var(--step-1)/1.2 var(--sans); letter-spacing: -.01em; }
  .role-title { margin-top: .35rem; }
  .role-where { font-size: .875rem; color: var(--muted); }
  .role-what ul { display: grid; gap: .65rem; padding-left: 1.1rem; color: var(--ink-2); max-width: 64ch; }
  .role-what li::marker { color: var(--accent); }
  .tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
  .tags span { font: .75rem var(--mono); color: var(--ink-2); border: 1px solid var(--rule); border-radius: 3px; padding: .2rem .45rem; }
  @media (max-width: 900px) {
    .role { grid-template-columns: 1fr 2fr; }
    .role-what { grid-column: 1 / -1; }
  }
  @media (max-width: 520px) {
    .role { grid-template-columns: 1fr; gap: .75rem; }
    .role-when { flex-direction: row; align-items: baseline; gap: .75rem; }
    .yr { font-size: 1.9rem; }
  }

  /* projects */
  .case { padding-block: clamp(2.5rem, 5vw, 4.5rem); }
  .case + .case { border-top: 1px solid var(--rule); }
  .case-kicker { color: var(--muted); margin-bottom: .75rem; }
  .case-title { font: 400 var(--step-4)/.95 var(--serif); letter-spacing: -.03em; }
  .case-sum { font-size: var(--step-1); line-height: 1.4; color: var(--ink-2); margin-top: 1rem; max-width: 38ch; }
  .case-links { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; margin-top: 1.5rem; }
  .case-body { display: grid; gap: 1.25rem; }
  .case-body div { display: grid; grid-template-columns: 9.5rem 1fr; gap: 1rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
  .case-body dt { font-size: .85rem; font-weight: 600; }
  .case-body dd { color: var(--ink-2); }
  .case-body.compact { margin-block: 1.75rem 1.5rem; }

  .case-lead { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(2rem, 4vw, 4rem) var(--gutter); padding-top: 0; }
  .case-lead .case-intro { grid-column: 1 / span 5; }
  .case-lead .case-body { grid-column: 6 / -1; grid-row: span 2; }
  .case-lead .case-title { font-size: var(--step-5); }
  .case-lead .term { grid-column: 1 / span 5; align-self: start; }

  .term { color: var(--night-text); }
  .term-bar, .term-body { background: var(--night); }
  .term-bar { border-radius: 6px 6px 0 0; }
  .term-body { border-radius: 0 0 6px 6px; }
  .term-bar { display: flex; align-items: center; gap: 6px; padding: .6rem .8rem; border-bottom: 1px solid #2c2a24; }
  .term-bar i { width: 10px; height: 10px; border-radius: 50%; background: #3a372f; }
  .term-bar span { margin-left: auto; font: .72rem var(--mono); color: var(--night-muted); }
  .term-body { margin: 0; padding: 1.1rem 1.2rem 1.3rem; font: .8rem/1.65 var(--mono); overflow-x: auto; }
  .term-body .p { color: var(--night-accent); }
  .term-body .crit { color: #fff; background: var(--accent); padding: 0 .3em; }
  .term-body .dim { color: var(--night-muted); }
  .term figcaption, .shot figcaption { font-size: .78rem; color: var(--muted); padding: .7rem 0 0; }
  .shot img { border: 1px solid var(--rule); border-radius: 6px; background: var(--night); width: 100%; }

  .case-split { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
  .case-flow { display: grid; grid-template-columns: 6fr 5fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
  .case-flow .case-text > p:not(.case-kicker):not(.case-sum) { color: var(--ink-2); margin-block: 1.25rem 1.5rem; max-width: 56ch; }
  .flow { list-style: none; display: grid; gap: 0; border-left: 1px solid var(--rule-strong); margin-top: .5rem; }
  .flow li { position: relative; padding: .9rem 0 .9rem 1.75rem; font: 400 var(--step-1)/1.2 var(--serif); }
  .flow li + li { border-top: 1px dashed var(--rule); }
  .flow li::before { content: ""; position: absolute; left: -5px; top: 1.25rem; width: 9px; height: 9px; border-radius: 50%; background: var(--paper); border: 1px solid var(--ink); }
  .flow li:last-child::before { background: var(--accent); border-color: var(--accent); }
  .flow .mono { display: block; font-size: .72rem; color: var(--muted); margin-bottom: .2rem; font-family: var(--mono); }

  @media (max-width: 960px) {
    .case-lead > * { grid-column: 1 / -1 !important; grid-row: auto !important; }
    .case-split, .case-flow { grid-template-columns: 1fr; }
  }
  @media (max-width: 560px) {
    .case-body div { grid-template-columns: 1fr; gap: .35rem; }
  }

  .more { padding-block: clamp(2.5rem, 5vw, 4rem) 0; }
  .more-h { font: 500 .85rem var(--sans); color: var(--muted); margin-bottom: 1rem; }
  .more-list { list-style: none; border-top: 1px solid var(--rule-strong); }
  .more-list a {
    display: grid; grid-template-columns: 18rem 1fr 6rem; gap: 1rem; align-items: baseline;
    padding: 1rem 0; border-bottom: 1px solid var(--rule); text-decoration: none;
    transition: padding-left .2s, background-color .2s;
  }
  .more-list a:hover { padding-left: .75rem; background: var(--paper-2); color: inherit; }
  .more-name { font-weight: 600; }
  .more-desc { color: var(--ink-2); font-size: .95rem; }
  .more-lang { color: var(--muted); text-align: right; }
  @media (max-width: 760px) {
    .more-list a { grid-template-columns: 1fr auto; gap: .25rem 1rem; }
    .more-desc { grid-column: 1 / -1; grid-row: 2; }
  }

  /* research */
  .research { background: var(--night); color: var(--night-text); margin-top: var(--space); padding-block: var(--space) !important; }
  .research .sec-head { border-top-color: rgba(236, 232, 223, .4); }
  .research .sec-num { color: var(--night-accent); }
  .paper-venue { color: var(--night-accent); margin-bottom: 1.25rem; }
  .paper-title { font: 400 var(--step-4)/1.02 var(--serif); letter-spacing: -.025em; max-width: 22ch; }
  .paper-authors { color: var(--night-muted); margin-top: 1.5rem; font-size: .95rem; }
  .paper-authors strong { color: var(--night-text); font-weight: 600; }
  .paper-grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(2.5rem, 6vw, 6rem); margin-top: clamp(3rem, 6vw, 5rem); border-top: 1px solid rgba(236, 232, 223, .18); padding-top: clamp(2rem, 4vw, 3rem); }
  .paper h4 { font: 500 .85rem var(--sans); color: var(--night-muted); margin-bottom: .75rem; }
  .paper-abs p { color: var(--night-text); max-width: 52ch; margin-bottom: 2rem; }
  .paper-abs .paper-stack { color: var(--night-muted); }
  .pipeline { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-bottom: 2.5rem; }
  .pipeline li { padding: 1rem 1rem 1rem 0; border-top: 2px solid rgba(236, 232, 223, .25); font-size: .85rem; color: var(--night-muted); position: relative; }
  .pipeline li:last-child { border-top-color: var(--night-accent); }
  .pipeline li + li { padding-left: 1rem; border-left: 1px solid rgba(236, 232, 223, .12); }
  .pipeline .mono { display: block; color: var(--night-accent); margin-bottom: .6rem; }
  .pipeline strong { display: block; color: var(--night-text); font: 400 var(--step-1)/1.15 var(--serif); margin-bottom: .4rem; }
  .equation { border: 1px solid rgba(236, 232, 223, .18); padding: 1.25rem 1.5rem; }
  .eq { font: 400 var(--step-1)/1.4 var(--serif); }
  .eq var { font-style: italic; color: var(--night-accent); }
  .equation figcaption { font-size: .8rem; color: var(--night-muted); margin-top: .5rem; }
  .equation figcaption var { font-style: italic; }
  @media (max-width: 1000px) { .paper-grid { grid-template-columns: 1fr; } }
  @media (max-width: 640px) {
    .pipeline { grid-template-columns: 1fr 1fr; }
    .pipeline li:nth-child(3) { padding-left: 0; border-left: 0; }
  }

  /* capabilities */
  .cap-table { border-top: 1px solid var(--rule-strong); }
  .cap-row { display: grid; grid-template-columns: 3fr 5fr 4fr; gap: 1.5rem; padding-block: 1.25rem; border-bottom: 1px solid var(--rule); align-items: baseline; }
  .cap-headrow { font-size: .78rem; color: var(--muted); padding-block: .6rem; }
  .cap-area { font: 400 var(--step-2)/1.1 var(--serif); }
  .cap-tools { font-size: var(--step-0); }
  .cap-proof { font-size: .9rem; color: var(--muted); }
  .cap-proof a { color: var(--ink-2); }
  @media (max-width: 760px) {
    .cap-headrow { display: none; }
    .cap-row { grid-template-columns: 1fr; gap: .35rem; }
  }

  /* education */
  .edu-grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(2rem, 5vw, 5rem); }
  .edu-years { color: var(--accent-ink); margin-bottom: .5rem; }
  .edu-main h3 { font: 400 var(--step-2)/1.15 var(--serif); letter-spacing: -.01em; margin-bottom: .5rem; }
  .edu-course { color: var(--muted); font-size: .95rem; margin-top: 1rem; max-width: 52ch; }
  .certs h3 { font: 500 .85rem var(--sans); color: var(--muted); margin-bottom: 1rem; }
  .certs ul { list-style: none; border-top: 1px solid var(--rule); }
  .certs li { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--rule); }
  .certs li .mono { color: var(--muted); }
  @media (max-width: 860px) { .edu-grid { grid-template-columns: 1fr; } }

  /* contact */
  .contact { margin-top: var(--space); padding-block: var(--space) !important; background: var(--accent); color: #fff; }
  .contact a { color: #fff; }
  .contact a:hover { color: #fff; text-decoration-thickness: 3px; }
  .contact-grid { display: grid; grid-template-columns: 8fr 4fr; gap: clamp(2rem, 5vw, 5rem); align-items: end; }
  .contact-status { display: inline-flex; align-items: center; gap: .6rem; font-weight: 500; margin-bottom: 1.5rem; }
  .contact-status .dot { background: #fff; box-shadow: 0 0 0 3px rgba(255, 255, 255, .3); }
  .contact-h { font: 400 var(--step-4)/1 var(--serif); letter-spacing: -.03em; max-width: 16ch; }
  .contact-sub { font-size: var(--step-1); line-height: 1.45; margin-top: 1.5rem; max-width: 40ch; color: #fff; }
  .contact-email { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 2rem; }
  .contact-email a { font: 400 var(--step-2)/1.2 var(--serif); text-decoration-thickness: 2px; overflow-wrap: anywhere; }
  .copy { font: 500 .8rem var(--sans); background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, .7); border-radius: 999px; padding: .45rem .9rem; cursor: pointer; }
  .copy:hover { background: #fff; color: var(--accent-ink); }
  .contact :focus-visible { outline-color: #fff; }
  .contact-links { list-style: none; border-top: 1px solid rgba(255, 255, 255, .6); }
  .contact-links a { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid rgba(255, 255, 255, .35); text-decoration: none; font-weight: 500; }
  .contact-links a .mono { overflow-wrap: anywhere; text-align: right; }
  @media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

  /* footer */
  .site-foot { background: var(--night); color: var(--night-muted); font-size: .85rem; }
  .foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 2rem; padding-block: 1.75rem; }
  .foot-links { display: flex; gap: 1.25rem; }
  .site-foot a { color: var(--night-text); }
  .site-foot a:hover { color: var(--night-accent); }
}

@layer motion {
  @media (prefers-reduced-motion: no-preference) {
    .hero-fig { animation: fade .9s .2s both; }
    @keyframes fade { from { opacity: 0; } }

    .js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .7, .2, 1); }
    .js .reveal.in { opacity: 1; transform: none; }

    .btn:hover { transform: translateY(-1px); }

    @supports (animation-timeline: scroll()) {
      .site-head::after {
        content: ""; position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%;
        background: var(--accent); transform-origin: 0 50%; transform: scaleX(0);
        animation: progress linear both; animation-timeline: scroll(root);
      }
      @keyframes progress { to { transform: scaleX(1); } }
    }
  }
}