/* Self-hosted fonts (GDPR-compliant). Static woff2 files; one @font-face per weight/style. */
@font-face { font-family: "Fraunces"; src: url("../fonts/fraunces-v38-latin-regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("../fonts/fraunces-v38-latin-600.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("../fonts/fraunces-v38-latin-600italic.woff2") format("woff2"); font-weight: 600; font-style: italic; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("../fonts/fraunces-v38-latin-700.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("../fonts/fraunces-v38-latin-700italic.woff2") format("woff2"); font-weight: 700; font-style: italic; font-display: swap; }

@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-v14-latin-regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-v14-latin-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-v14-latin-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-v14-latin-500italic.woff2") format("woff2"); font-weight: 500; font-style: italic; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-v14-latin-600.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-v14-latin-600italic.woff2") format("woff2"); font-weight: 600; font-style: italic; font-display: swap; }

@font-face { font-family: "Inter Tight"; src: url("../fonts/inter-tight-v9-latin-regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("../fonts/inter-tight-v9-latin-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("../fonts/inter-tight-v9-latin-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("../fonts/inter-tight-v9-latin-500italic.woff2") format("woff2"); font-weight: 500; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("../fonts/inter-tight-v9-latin-600.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("../fonts/inter-tight-v9-latin-600italic.woff2") format("woff2"); font-weight: 600; font-style: italic; font-display: swap; }

@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono-v24-latin-regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono-v24-latin-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono-v24-latin-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono-v24-latin-500italic.woff2") format("woff2"); font-weight: 500; font-style: italic; font-display: swap; }

@layer reset, base, layout, components, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html, body, h1, h2, h3, h4, p, ul, ol, li, figure, figcaption, blockquote { margin: 0; padding: 0; }
  ul { list-style: none; }
  img, picture, video { display: block; max-width: 100%; height: auto; }
  button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
  a { color: inherit; }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
}

@layer base {
  :root {
    --bg: #FAF7F2;
    --surface: #F3EEE3;
    --surface-2: #ECE5D5;
    --ink: #141413;
    --ink-soft: #5A554C;
    --ink-faint: #8A8479;
    --rule: #D9D2C2;
    --accent: #0B6B4F;
    --accent-soft: #C9DDD2;

    --font-display: "Fraunces", "Source Serif 4", Georgia, "Times New Roman", serif;
    --font-body: "Source Serif 4", Georgia, "Times New Roman", serif;
    --font-ui: "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

    --measure: 65ch;
    --max-w: 1240px;
    --pad: clamp(1.25rem, 3vw, 2.5rem);

    --shadow-soft: 0 1px 2px rgba(20,20,19,0.04), 0 8px 24px -12px rgba(20,20,19,0.10);
    --hairline: 1px solid var(--rule);

    color-scheme: light;
  }

  [data-theme="dark"] {
    --bg: #16140F;
    --surface: #1F1C16;
    --surface-2: #28241D;
    --ink: #EDE6D6;
    --ink-soft: #B8B0A0;
    --ink-faint: #807A6D;
    --rule: #3A3429;
    --accent: #6FBFA0;
    --accent-soft: #1F362D;
    --shadow-soft: 0 1px 2px rgba(0,0,0,0.4), 0 12px 32px -16px rgba(0,0,0,0.55);
    color-scheme: dark;
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg: #16140F;
      --surface: #1F1C16;
      --surface-2: #28241D;
      --ink: #EDE6D6;
      --ink-soft: #B8B0A0;
      --ink-faint: #807A6D;
      --rule: #3A3429;
      --accent: #6FBFA0;
      --accent-soft: #1F362D;
      --shadow-soft: 0 1px 2px rgba(0,0,0,0.4), 0 12px 32px -16px rgba(0,0,0,0.55);
      color-scheme: dark;
    }
  }

  html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  }

  body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    background-image:
      radial-gradient(1200px 600px at 80% -10%, color-mix(in oklab, var(--accent) 8%, transparent), transparent 60%),
      radial-gradient(800px 600px at -10% 30%, color-mix(in oklab, var(--accent) 4%, transparent), transparent 70%);
    background-attachment: fixed;
  }

  h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.01em; color: var(--ink); }
  h1 { font-size: clamp(2.75rem, 6vw + 0.5rem, 5.5rem); font-weight: 700; letter-spacing: -0.025em; }
  h2 { font-size: clamp(1.875rem, 3.5vw + 0.5rem, 2.875rem); }
  h3 { font-size: clamp(1.125rem, 1vw + 0.85rem, 1.375rem); font-weight: 600; }
  h4 { font-size: 1.125rem; font-weight: 600; }
  p { max-width: var(--measure); }
  em { font-style: italic; }
  a { color: var(--ink); text-decoration: underline; text-decoration-color: color-mix(in oklab, var(--accent) 60%, transparent); text-decoration-thickness: 1px; text-underline-offset: 3px; transition: color .15s, text-decoration-color .15s; }
  a:hover { color: var(--accent); text-decoration-color: var(--accent); }

  ::selection { background: var(--accent); color: var(--bg); }
}

@layer layout {
  .skip-link { position: absolute; left: -9999px; top: 0; padding: .5rem 1rem; background: var(--ink); color: var(--bg); z-index: 100; }
  .skip-link:focus { left: 1rem; top: 1rem; }

  main { display: block; }

  .section { max-width: var(--max-w); margin-inline: auto; padding: clamp(3.5rem, 8vw, 6rem) var(--pad); }
  .section-bordered { border-top: var(--hairline); }

  .section-head { margin-bottom: clamp(2rem, 4vw, 3.25rem); max-width: var(--max-w); }
  .section-head h2 { max-width: 22ch; }
  .section-eyebrow { font-size: .8125rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .75rem; }
  .section-intro { color: var(--ink-soft); font-size: 1.0625rem; margin-top: 1rem; max-width: 60ch; }
  .section-more { margin-top: 2rem; font-family: var(--font-ui); }
  .section-more a { color: var(--accent); text-decoration: none; font-weight: 500; }
}

@layer components {
  /* ---------- Top nav ---------- */
  .topnav {
    position: sticky; top: 0; z-index: 50;
    background: color-mix(in oklab, var(--bg) 88%, transparent);
    backdrop-filter: saturate(140%) blur(10px);
    -webkit-backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid transparent;
    transition: border-color .25s, background .25s;
  }
  .topnav.is-stuck { border-bottom-color: var(--rule); }
  .topnav-inner {
    max-width: var(--max-w); margin-inline: auto;
    padding: .85rem var(--pad);
    display: flex; align-items: center; gap: 1.25rem;
    font-family: var(--font-ui);
  }
  .topnav-name { font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem; text-decoration: none; letter-spacing: -.01em; }
  .topnav-name-first { color: var(--ink-faint); font-weight: 400; }
  .topnav-links { display: flex; gap: 1.25rem; margin-left: auto; flex-wrap: wrap; }
  .topnav-links a { font-size: .9375rem; font-weight: 500; text-decoration: none; color: var(--ink-soft); position: relative; padding-block: .25rem; }
  .topnav-links a:hover { color: var(--accent); }
  .topnav-links a[aria-current="true"] { color: var(--ink); }
  .topnav-links a[aria-current="true"]::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -.35rem;
    height: 2px; background: var(--accent); border-radius: 1px;
  }

  .theme-toggle {
    width: 2.25rem; height: 2.25rem; border-radius: 50%;
    border: 1px solid var(--rule); background: var(--bg);
    display: grid; place-items: center;
    transition: background .15s, border-color .15s;
  }
  .theme-toggle:hover { background: var(--surface); border-color: var(--ink-faint); }
  .theme-toggle-icon {
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--ink);
    box-shadow: inset -4px -2px 0 0 var(--bg);
  }
  [data-theme="dark"] .theme-toggle-icon { box-shadow: inset 4px -2px 0 0 var(--bg); }

  @media (max-width: 720px) {
    .topnav-links { display: none; }
  }

  /* ---------- Hero ---------- */
  .hero {
    max-width: var(--max-w); margin-inline: auto;
    padding: clamp(2.5rem, 6vw, 5rem) var(--pad) clamp(3rem, 6vw, 5.5rem);
  }
  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(1.5rem, 4vw, 3.5rem);
    align-items: center;
  }
  .hero-portrait {
    aspect-ratio: 4/5;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: var(--shadow-soft);
    background: var(--surface);
    position: relative;
  }
  .hero-portrait::after {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(120% 80% at 30% 20%, transparent 50%, rgba(20,20,19,0.18));
    pointer-events: none;
    mix-blend-mode: multiply;
  }
  .hero-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }

  .hero-eyebrow { font-size: .8125rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1rem; }
  .hero-name { margin-bottom: 1.5rem; }
  .hero-bio { font-size: 1.125rem; line-height: 1.6; color: var(--ink); max-width: 56ch; }
  .hero-bio em { color: var(--ink); font-variation-settings: "opsz" 14; }
  .hero-credit {
    margin-top: 1.5rem;
    font-family: var(--font-ui); font-size: .9375rem;
    color: var(--ink-soft); letter-spacing: .01em;
    padding-top: 1.25rem; border-top: var(--hairline);
    max-width: 50ch;
  }

  @media (max-width: 820px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-portrait { max-width: 360px; aspect-ratio: 4/5; }
  }

  /* ---------- Metrics ---------- */
  .metrics {
    border-top: var(--hairline); border-bottom: var(--hairline);
    background: var(--surface);
  }
  .metrics-inner {
    max-width: var(--max-w); margin-inline: auto;
    padding: clamp(2rem, 4vw, 3rem) var(--pad);
    display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(1rem, 2vw, 2rem);
  }
  .metric { text-align: left; }
  .metric-num {
    display: block;
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 3vw + 0.25rem, 2.5rem);
    font-weight: 500;
    color: var(--ink);
    line-height: 1;
    letter-spacing: -.02em;
  }
  .metric-label {
    display: block;
    margin-top: .5rem;
    font-family: var(--font-ui);
    font-size: .8125rem;
    color: var(--ink-soft);
    letter-spacing: .03em;
  }
  .metrics-links {
    max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad) clamp(1.5rem, 3vw, 2rem);
    font-family: var(--font-ui); font-size: .875rem; color: var(--ink-soft);
  }
  .metrics-links a { color: var(--ink-soft); text-decoration-color: var(--rule); }
  .metrics-links a:hover { color: var(--accent); }

  @media (max-width: 900px) { .metrics-inner { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 480px) { .metrics-inner { grid-template-columns: repeat(2, 1fr); } }

  /* ---------- Research grid ---------- */
  .research-grid {
    display: grid; gap: clamp(1rem, 2vw, 1.5rem);
    grid-template-columns: repeat(3, 1fr);
  }
  .research-card {
    padding: clamp(1.25rem, 2vw, 1.75rem);
    background: var(--surface);
    border: var(--hairline);
    border-radius: 6px;
    box-shadow: var(--shadow-soft);
    position: relative;
    transition: transform .25s, box-shadow .25s;
  }
  .research-card::before {
    content: ""; position: absolute; inset: 0;
    border-radius: 6px;
    box-shadow: inset 0 1px 0 0 color-mix(in oklab, white 30%, transparent);
    pointer-events: none;
  }
  .research-card:hover { transform: translateY(-2px); }
  .research-card h3 { margin-bottom: .75rem; }
  .research-card p { color: var(--ink-soft); font-size: .9375rem; line-height: 1.55; }
  .research-card-feature {
    background: linear-gradient(135deg, var(--accent-soft), var(--surface) 80%);
  }
  .research-card-tag {
    display: inline-block; margin-bottom: .75rem;
    font-size: .6875rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--accent); font-weight: 500;
  }
  .research-card a { text-decoration-color: var(--accent); }

  @media (max-width: 900px) { .research-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 600px) { .research-grid { grid-template-columns: 1fr; } }

  /* ---------- Publications ---------- */
  .pub-grid {
    display: grid; gap: clamp(1.5rem, 3vw, 2.25rem);
    grid-template-columns: repeat(2, 1fr);
  }
  .pub-card {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 1.5rem;
    padding: 1.25rem;
    background: var(--surface);
    border: var(--hairline);
    border-radius: 6px;
    box-shadow: var(--shadow-soft);
  }
  .pub-thumb {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    border-radius: 3px;
    background:
      linear-gradient(160deg, color-mix(in oklab, var(--accent-soft) 70%, var(--surface-2)) 0%, var(--surface-2) 100%);
    display: grid; place-items: center;
  }
  .pub-thumb img {
    position: absolute; inset: 0;
    width: 100%; height: 100%; object-fit: cover;
  }
  .pub-thumb-fallback {
    font-family: var(--font-display);
    font-size: clamp(.95rem, 1.4vw, 1.15rem);
    font-weight: 600;
    color: var(--ink);
    text-align: center;
    padding: 1rem;
    line-height: 1.25;
  }
  .pub-body { display: flex; flex-direction: column; }
  .pub-venue { font-size: .75rem; color: var(--ink-faint); letter-spacing: .04em; margin-bottom: .5rem; }
  .pub-title { margin-bottom: .65rem; }
  .pub-title a { text-decoration: none; }
  .pub-title a:hover { color: var(--accent); }
  .pub-authors { font-size: .9375rem; color: var(--ink-soft); margin-bottom: .65rem; font-style: italic; }
  .pub-why { font-size: .9375rem; color: var(--ink); line-height: 1.55; margin-bottom: auto; }
  .pub-doi { font-size: .75rem; color: var(--ink-faint); margin-top: 1rem; padding-top: .75rem; border-top: var(--hairline); }

  @media (max-width: 760px) { .pub-grid { grid-template-columns: 1fr; } }
  @media (max-width: 460px) {
    .pub-card { grid-template-columns: 1fr; }
    .pub-thumb { max-width: 220px; }
  }

  /* ---------- Events ---------- */
  .event-row {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(280px, 320px);
    gap: clamp(1rem, 2vw, 1.5rem);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 1rem;
    margin-inline: calc(var(--pad) * -1);
    padding-inline: var(--pad);
    scrollbar-width: thin;
  }
  .event-card {
    scroll-snap-align: start;
    background: var(--surface);
    border: var(--hairline);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    display: flex; flex-direction: column;
  }
  .event-thumb {
    position: relative;
    aspect-ratio: 4/3;
    background:
      linear-gradient(140deg, var(--surface-2), color-mix(in oklab, var(--accent-soft) 50%, var(--surface)));
    display: grid; place-items: center;
    overflow: hidden;
  }
  .event-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .event-thumb-fallback {
    font-family: var(--font-display);
    font-size: 1rem; font-weight: 600;
    color: var(--ink); padding: 1rem; text-align: center;
  }
  .event-card .event-meta { font-size: .75rem; color: var(--ink-faint); letter-spacing: .04em; padding: 1rem 1.25rem 0; }
  .event-card h3 { padding: .35rem 1.25rem .35rem; line-height: 1.25; }
  .event-card p:last-child { padding: 0 1.25rem 1.25rem; font-size: .9375rem; color: var(--ink-soft); }

  /* ---------- Teaching ---------- */
  .teaching-grid {
    display: grid; gap: clamp(1rem, 2vw, 1.5rem);
    grid-template-columns: repeat(3, 1fr);
  }
  .teaching-card {
    display: block;
    background: var(--surface);
    border: var(--hairline);
    border-radius: 6px;
    box-shadow: var(--shadow-soft);
    text-decoration: none;
    overflow: hidden;
    transition: transform .2s, box-shadow .2s, border-color .2s;
  }
  .teaching-card:hover { transform: translateY(-2px); border-color: var(--accent); }
  .teaching-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background:
      linear-gradient(140deg, var(--surface-2) 0%, color-mix(in oklab, var(--accent-soft) 65%, var(--surface)) 100%);
    display: grid; place-items: center;
    border-bottom: var(--hairline);
  }
  .teaching-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .teaching-thumb-fallback {
    font-family: var(--font-display);
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 600;
    color: var(--ink);
    padding: 1rem;
    text-align: center;
    letter-spacing: -.005em;
  }
  .teaching-body { padding: 1.25rem 1.5rem 1.25rem; }
  .teaching-card h3 { margin-bottom: .65rem; }
  .teaching-card p { font-size: .9375rem; color: var(--ink-soft); line-height: 1.55; }
  .teaching-link { margin-top: 1rem; color: var(--accent); font-size: .8125rem; }
  .teaching-note { margin-top: 1.75rem; color: var(--ink-soft); max-width: 60ch; font-size: .9375rem; }

  @media (max-width: 820px) { .teaching-grid { grid-template-columns: 1fr; } }

  /* ---------- Service ---------- */
  .service-grid {
    display: grid; gap: clamp(1.5rem, 3vw, 2.5rem);
    grid-template-columns: repeat(2, 1fr);
  }
  .service-block h3 {
    font-family: var(--font-ui);
    font-size: .8125rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--ink-faint); font-weight: 500; margin-bottom: .9rem;
    padding-bottom: .65rem; border-bottom: var(--hairline);
  }
  .service-block ul { display: flex; flex-direction: column; gap: .55rem; }
  .service-block li { color: var(--ink); font-size: .9375rem; line-height: 1.5; max-width: 50ch; }

  @media (max-width: 720px) { .service-grid { grid-template-columns: 1fr; } }

  /* ---------- Entrepreneurship ---------- */
  .venture-list { display: flex; flex-direction: column; gap: 1.5rem; max-width: 850px; }
  .venture-list li {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: 1.5rem;
    padding: 1.25rem 0;
    border-top: var(--hairline);
  }
  .venture-list li:first-child { border-top: 0; padding-top: 0; }
  .venture-period { font-size: .8125rem; color: var(--ink-faint); letter-spacing: .03em; padding-top: .25rem; }
  .venture-list h3 { margin-bottom: .35rem; }
  .venture-list p { color: var(--ink-soft); font-size: .9375rem; }

  @media (max-width: 600px) {
    .venture-list li { grid-template-columns: 1fr; gap: .35rem; }
  }

  /* ---------- Alumni ---------- */
  .alumni-grid {
    display: grid; gap: 1rem 1.5rem;
    grid-template-columns: repeat(3, 1fr);
    max-width: var(--max-w);
  }
  .alumni-grid li {
    font-size: .9375rem;
    line-height: 1.45;
    padding: .85rem 0;
    border-top: var(--hairline);
  }
  .alumni-role { color: var(--ink-soft); font-size: .875rem; }
  .alumni-more { margin-top: 1.5rem; }
  .alumni-more summary {
    font-family: var(--font-ui);
    color: var(--accent);
    cursor: pointer;
    font-size: .9375rem;
    padding: .65rem 0;
    list-style: none;
    border-top: var(--hairline);
  }
  .alumni-more summary::-webkit-details-marker { display: none; }
  .alumni-more summary::before { content: "+ "; font-family: var(--font-mono); margin-right: .25rem; }
  .alumni-more[open] summary::before { content: "− "; }
  .alumni-grid-full { margin-top: 1rem; }

  @media (max-width: 900px) { .alumni-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 600px) { .alumni-grid { grid-template-columns: 1fr; } }

  /* ---------- Join (postdoc funding) ---------- */
  .join-subhead {
    font-family: var(--font-ui);
    font-size: .8125rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--ink-faint); font-weight: 500;
    margin: 2rem 0 1rem;
    padding-bottom: .65rem; border-bottom: var(--hairline);
  }
  .join-subhead:first-of-type { margin-top: 0; }
  .join-grid {
    display: grid; gap: clamp(1rem, 2vw, 1.5rem);
    grid-template-columns: repeat(4, 1fr);
  }
  .join-card {
    display: flex; flex-direction: column;
    padding: 1.25rem 1.25rem 1.1rem;
    background: var(--surface);
    border: var(--hairline);
    border-radius: 6px;
    box-shadow: var(--shadow-soft);
    text-decoration: none;
    transition: transform .2s, border-color .2s;
  }
  .join-card:hover { transform: translateY(-2px); border-color: var(--accent); }
  .join-funder { font-size: .6875rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .65rem; }
  .join-card h4 { font-family: var(--font-display); margin-bottom: .55rem; }
  .join-card p { font-size: .875rem; color: var(--ink-soft); line-height: 1.5; }
  .join-link { margin-top: auto; padding-top: 1rem; color: var(--accent); font-size: .75rem; }
  .join-cta {
    margin-top: 2.25rem;
    padding: 1.5rem 1.75rem;
    background: var(--surface-2);
    border-left: 3px solid var(--accent);
    border-radius: 0 6px 6px 0;
    font-size: 1rem;
    max-width: 70ch;
  }

  @media (max-width: 1000px) { .join-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 540px) { .join-grid { grid-template-columns: 1fr; } }

  /* ---------- Contact ---------- */
  .contact-grid {
    display: grid; gap: clamp(1.5rem, 3vw, 2.25rem);
    grid-template-columns: repeat(2, 1fr) minmax(0, 1.5fr) minmax(0, 1.5fr);
    grid-auto-rows: auto;
  }
  .contact-block h3 {
    font-family: var(--font-ui);
    font-size: .8125rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--ink-faint); font-weight: 500; margin-bottom: .9rem;
    padding-bottom: .65rem; border-bottom: var(--hairline);
  }
  .contact-list { display: flex; flex-direction: column; gap: .5rem; }
  .contact-list li { font-size: .9375rem; line-height: 1.45; }
  .contact-label { display: inline-block; min-width: 4rem; color: var(--ink-faint); font-size: .75rem; letter-spacing: .04em; }

  .contact-linkedin {
    grid-column: 1 / -1;
    grid-row: 1;
    display: block;
    padding: 1.75rem 2rem;
    background: linear-gradient(135deg, var(--accent), color-mix(in oklab, var(--accent) 60%, var(--ink)));
    color: var(--bg);
    border-radius: 8px;
    text-decoration: none;
    box-shadow: var(--shadow-soft);
    transition: transform .2s;
  }
  .contact-linkedin:hover { transform: translateY(-2px); color: var(--bg); }
  .contact-linkedin-eyebrow { font-size: .6875rem; letter-spacing: .12em; text-transform: uppercase; opacity: .8; margin-bottom: .5rem; }
  .contact-linkedin h3 { color: var(--bg); margin-bottom: .35rem; }
  .contact-linkedin p { color: color-mix(in oklab, var(--bg) 85%, transparent); font-size: .9375rem; max-width: 60ch; }

  @media (max-width: 900px) {
    .contact-grid { grid-template-columns: 1fr 1fr; }
    .contact-linkedin { grid-column: 1 / -1; }
  }
  @media (max-width: 540px) { .contact-grid { grid-template-columns: 1fr; } }

  /* ---------- Footer ---------- */
  .footer {
    border-top: var(--hairline);
    margin-top: 3rem;
    background: var(--surface);
  }
  .footer-inner {
    max-width: var(--max-w); margin-inline: auto;
    padding: 2rem var(--pad) 2.5rem;
    display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: baseline;
  }
  .footer-name { font-family: var(--font-display); font-weight: 600; }
  .footer-meta { font-size: .8125rem; color: var(--ink-soft); }
  .footer-meta a { color: var(--ink-soft); text-decoration-color: var(--rule); }
  .footer-meta a:hover { color: var(--accent); }
  .footer-credit { margin-left: auto; font-size: .75rem; color: var(--ink-faint); }
}

@layer utilities {
  .mono { font-family: var(--font-mono); font-feature-settings: "tnum"; }
}

@media print {
  .topnav, .theme-toggle, .skip-link, .contact-linkedin, .alumni-more summary, .footer { display: none !important; }
  body { background: white; color: black; }
  .section, .hero, .metrics-inner { padding-block: 1rem; }
  a { color: black; text-decoration: underline; }
}