:root {
        --page-bg: #f6f4f1;
        --page-text: #1c1a17;
        --page-muted: rgba(28, 26, 23, 0.62);
      }

      body {
        background: var(--page-bg);
        color: var(--page-text);
        font-family: "Source Serif 4", "Times New Roman", serif;
      }

      html {
        scroll-behavior: smooth;
      }

      a {
        color: inherit;
      }

      .bio-header {
        position: sticky;
        top: 0;
        z-index: 10;
        background: var(--page-bg);
        border-bottom: 1px solid rgba(28, 26, 23, 0.08);
      }

      .bio-header__inner {
        width: min(860px, 90vw);
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 16px 0;
      }

      .bio-header__brand {
        font-family: "Fraunces", "Times New Roman", serif;
        font-weight: 600;
        font-size: 18px;
        text-decoration: none;
      }

      .bio-nav {
        margin: 0;
      }

      .bio-page {
        padding: 70px 0 90px;
      }

      .bio-container {
        width: min(860px, 90vw);
        margin: 0 auto;
      }

      .bio-anchor {
        display: block;
        height: 1px;
        scroll-margin-top: calc(var(--header-h, 64px) + 16px);
      }

      .bio-title {
        font-family: "Fraunces", "Times New Roman", serif;
        font-weight: 600;
        font-size: clamp(40px, 6vw, 64px);
        letter-spacing: 0.01em;
        margin: 0 0 8px;
      }

      .bio-subtitle {
        font-family: "Fraunces", "Times New Roman", serif;
        font-size: clamp(20px, 3vw, 28px);
        font-weight: 400;
        margin: 0 0 32px;
        color: var(--page-muted);
      }

.bio-portrait {
  margin: 18px 0 36px;
  display: grid;
  gap: 10px;
}

.bio-portrait img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

      .bio-portrait__caption {
        font-size: 12px;
        color: var(--page-muted);
      }

      .bio-nav ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-wrap: wrap;
        gap: 10px 18px;
      }

      .bio-nav a {
        text-decoration: none;
        border-bottom: 1px solid transparent;
        font-size: 14px;
        color: var(--page-muted);
      }

      .bio-nav a:hover {
        color: var(--page-text);
        border-color: currentColor;
      }

      .bio-nav a.is-active {
        color: var(--page-text);
        border-color: currentColor;
      }

      .bio-nav__toggle {
        display: none;
        border: 0;
        background: transparent;
        font: inherit;
        cursor: pointer;
        color: var(--page-text);
        padding: 6px 8px;
      }

      .bio-nav__toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: currentColor;
        margin: 4px 0;
      }

      .bio-nav__menu {
        display: flex;
      }

      @media (max-width: 720px) {
        .bio-page {
          padding: 40px 0 70px;
        }

        .bio-nav__toggle {
          display: inline-flex;
          flex-direction: column;
          justify-content: center;
        }

        .bio-nav__menu {
          position: absolute;
          top: 100%;
          left: 0;
          right: 0;
          background: var(--page-bg);
          border-bottom: 1px solid rgba(28, 26, 23, 0.08);
          padding: 12px 0;
          display: none;
        }

        .bio-nav__menu[aria-hidden="false"] {
          display: block;
        }

        .bio-nav ul {
          width: min(860px, 90vw);
          margin: 0 auto;
          flex-direction: column;
          gap: 8px;
        }
      }

.bio-photo {
  margin: 42px 0;
}

.bio-photo img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  display: block;
}

      .bio-photo figcaption {
        margin-top: 8px;
        font-size: 12px;
        color: var(--page-muted);
      }

      .bio-photo figcaption:empty {
        display: none;
      }

      .bio-section {
        margin-top: 48px;
        scroll-margin-top: calc(var(--header-h, 64px) + 16px);
      }

      .bio-section h2 {
        font-family: "Fraunces", "Times New Roman", serif;
        font-weight: 600;
        font-size: clamp(22px, 3vw, 30px);
        margin: 0 0 16px;
      }

      .bio-lead {
        font-size: 17px;
        line-height: 1.7;
        margin: 0 0 14px;
      }

      .bio-muted {
        color: var(--page-muted);
      }

      .bio-entry {
        margin: 0 0 24px;
      }

      .bio-entry__head {
        font-weight: 600;
        font-size: 16px;
        margin: 0 0 6px;
      }

      .bio-entry__role {
        font-style: italic;
        margin: 0 0 8px;
      }

      .bio-entry__toggle {
        list-style: none;
        cursor: pointer;
        font-weight: 600;
        font-size: 16px;
        margin: 0 0 6px;
        position: relative;
        padding-right: 18px;
      }

      .bio-entry__toggle span {
        display: block;
      }

      .bio-entry__toggle .bio-entry__role {
        font-style: italic;
        font-weight: 400;
        color: var(--page-muted);
      }

      .bio-entry__toggle::marker {
        content: "";
      }

      .bio-entry__toggle::after {
        content: "+";
        position: absolute;
        top: 0;
        right: 0;
        color: var(--page-muted);
      }

      .bio-entry[open] .bio-entry__toggle::after {
        content: "—";
      }

      .bio-list {
        margin: 0;
        padding-left: 20px;
        display: grid;
        gap: 6px;
      }

      .bio-year {
        font-weight: 600;
        margin: 20px 0 8px;
      }

      .bio-docs {
        margin: 0;
        padding-left: 20px;
      }

      .bio-docs li {
        margin: 6px 0;
      }

      .bio-letter p {
        margin: 0 0 14px;
        line-height: 1.7;
      }

      .bio-letter__excerpt {
        position: relative;
        max-height: 210px;
        overflow: hidden;
        transition: max-height 0.45s ease, opacity 0.45s ease;
      }

      .bio-letter--open .bio-letter__excerpt {
        max-height: 0;
        opacity: 0;
        display: none;
      }

      .bio-letter__excerpt::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(246, 244, 241, 0) 0%, var(--page-bg) 85%);
        pointer-events: none;
      }

      .bio-letter details {
        margin-top: 16px;
      }

      .bio-letter summary {
        cursor: pointer;
        list-style: none;
        font-weight: 600;
        display: inline-block;
      }

      .bio-letter summary::marker {
        content: "";
      }

      .bio-letter__full {
        overflow: hidden;
        max-height: 0;
        transition: max-height 0.55s ease;
      }

      @media (max-width: 640px) {
        .bio-section {
          margin-top: 36px;
        }
      }

      @supports (-webkit-background-clip: text) or (background-clip: text) {
        html[data-theme="light"] .bio-header__brand {
          background-image: var(--text-gradient);
          -webkit-background-clip: text;
          background-clip: text;
          color: transparent;
        }

        html[data-theme="light"] .bio-section h2 {
          background-image: var(--text-gradient-h2);
          -webkit-background-clip: text;
          background-clip: text;
          color: transparent;
        }
      }