/* =========================================
       COLORS AND TYPOGRAPHY
    ========================================= */

    :root {
      --ink: #102033;
      --ink-strong: #06182e;
      --navy: #071b33;
      --paper: #f6f3ec;
      --surface: #fffdf8;
      --muted: #647181;
      --line: #d8d8d2;
      --line-strong: #b9bdbe;
      --accent: #df433f;
      --accent-dark: #b92f2b;
      --ice: #d9eaf2;
      --header: rgba(246, 243, 236, 0.91);
      --shadow: 0 30px 70px rgba(7, 27, 51, 0.14);
      --shell: min(1180px, calc(100vw - 64px));
      --serif: Georgia, "Times New Roman", serif;
      --sans: Inter, ui-sans-serif, -apple-system,
        BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    :root[data-theme="dark"] {
      --ink: #dce5ec;
      --ink-strong: #f7f8f8;
      --navy: #050d18;
      --paper: #0c1722;
      --surface: #111e2b;
      --muted: #a4b0ba;
      --line: #2a3a49;
      --line-strong: #465566;
      --accent: #ff655e;
      --accent-dark: #ff7a73;
      --ice: #183549;
      --header: rgba(12, 23, 34, 0.91);
      --shadow: 0 30px 70px rgba(0, 0, 0, 0.34);
    }

    /* =========================================
       GENERAL
    ========================================= */

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

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 96px;
      color-scheme: light;
    }

    html[data-theme="dark"] {
      color-scheme: dark;
    }

    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: var(--sans);
      font-size: 1rem;
      line-height: 1.65;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -1;
      pointer-events: none;
      opacity: 0.32;
      background-image:
        linear-gradient(
          rgba(16, 32, 51, 0.035) 1px,
          transparent 1px
        ),
        linear-gradient(
          90deg,
          rgba(16, 32, 51, 0.035) 1px,
          transparent 1px
        );
      background-size: 36px 36px;
      mask-image: linear-gradient(
        to bottom,
        black,
        transparent 72%
      );
    }

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

    a {
      color: inherit;
    }

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

    button {
      font: inherit;
    }

    img {
      display: block;
    }

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

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

    .skip-link {
      position: fixed;
      left: 16px;
      top: 12px;
      z-index: 100;
      padding: 10px 14px;
      transform: translateY(-180%);
      background: var(--ink-strong);
      color: var(--surface);
      text-decoration: none;
    }

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

    /* =========================================
       HEADER AND NAVIGATION
    ========================================= */

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid transparent;
      background: var(--header);
      backdrop-filter: blur(18px);
      transition:
        border-color 180ms ease,
        box-shadow 180ms ease;
    }

    .site-header.is-scrolled {
      border-bottom-color: var(--line);
      box-shadow: 0 10px 35px rgba(7, 27, 51, 0.05);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      text-decoration: none;
    }

    .brand-mark {
      display: grid;
      place-items: center;
      width: 46px;
      height: 34px;
      color: #fff;
      background: var(--navy);
      font-size: 0.72rem;
      font-weight: 800;
      letter-spacing: 0.09em;
    }

    .brand-field {
      color: var(--muted);
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    .primary-nav {
      display: flex;
      align-items: center;
      gap: clamp(20px, 2.4vw, 36px);
    }

    .primary-nav a {
      position: relative;
      padding-block: 26px;
      color: var(--muted);
      font-size: 0.82rem;
      font-weight: 650;
      letter-spacing: 0.03em;
      text-decoration: none;
    }

    .primary-nav a::after {
      content: "";
      position: absolute;
      left: 0;
      right: 100%;
      bottom: 20px;
      height: 2px;
      background: var(--accent);
      transition: right 180ms ease;
    }

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

    .primary-nav a:hover::after,
    .primary-nav a[aria-current="true"]::after {
      right: 0;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .theme-toggle,
    .menu-toggle {
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      background: transparent;
      color: var(--ink);
      cursor: pointer;
    }

    .theme-toggle:hover,
    .menu-toggle:hover {
      border-color: var(--ink);
    }

    .theme-icon {
      font-size: 1.15rem;
      line-height: 1;
    }

    .menu-toggle {
      display: none;
      gap: 5px;
    }

    .menu-toggle span {
      width: 18px;
      height: 1px;
      background: currentColor;
      transition: transform 180ms ease;
    }

    /* =========================================
       HERO
    ========================================= */

    .hero {
      padding: clamp(72px, 9vw, 130px) 0 34px;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns:
        minmax(0, 1.28fr)
        minmax(330px, 0.72fr);
      align-items: center;
      gap: clamp(54px, 8vw, 120px);
    }

    .eyebrow,
    .kicker,
    .micro-label {
      margin: 0 0 22px;
      color: var(--accent-dark);
      font-size: 0.72rem;
      font-weight: 800;
      letter-spacing: 0.17em;
      text-transform: uppercase;
    }

    .eyebrow::before,
    .kicker::before {
      content: "";
      display: inline-block;
      width: 30px;
      height: 2px;
      margin-right: 12px;
      vertical-align: 0.22em;
      background: currentColor;
    }

    .hero h1 {
      max-width: 760px;
      margin: 0;
      color: var(--ink-strong);
      font-family: var(--serif);
      font-size: clamp(4rem, 8.3vw, 7.5rem);
      font-weight: 400;
      letter-spacing: -0.075em;
      line-height: 0.82;
    }

    .hero h1 em {
      color: var(--accent);
      font-weight: 400;
    }

    .hero-statement {
      max-width: 700px;
      margin: 42px 0 28px;
      color: var(--ink);
      font-family: var(--serif);
      font-size: clamp(1.25rem, 2vw, 1.65rem);
      line-height: 1.48;
    }

    .identity-line {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      color: var(--muted);
      font-size: 0.84rem;
      font-weight: 650;
      letter-spacing: 0.035em;
    }

    .identity-divider {
      width: 3px;
      height: 3px;
      border-radius: 50%;
      background: var(--accent);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      margin-top: 38px;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: space-between;
      min-width: 174px;
      min-height: 52px;
      padding: 13px 18px;
      border: 1px solid var(--navy);
      font-size: 0.82rem;
      font-weight: 750;
      letter-spacing: 0.02em;
      text-decoration: none;
      transition:
        transform 180ms ease,
        background 180ms ease,
        color 180ms ease;
    }

    .button:hover {
      transform: translateY(-2px);
    }

    .button-primary {
      background: var(--navy);
      color: #fff;
    }

    .button-primary:hover {
      background: var(--accent);
      border-color: var(--accent);
    }

    .button-quiet {
      color: var(--ink-strong);
    }

    .button-quiet:hover {
      background: var(--surface);
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 4px;
      border-bottom: 1px solid currentColor;
      color: var(--ink-strong);
      font-size: 0.84rem;
      font-weight: 750;
      text-decoration: none;
    }

    .text-link:hover {
      color: var(--accent-dark);
    }

    .hero-visual {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 18px;
      min-height: 0;
    }

    .hero-visual::before {
      content: "";
      position: absolute;
      top: 4%;
      right: -54%;
      width: 120%;
      aspect-ratio: 1;
      border: 1px solid var(--line);
      border-radius: 50%;
      z-index: 0;
      pointer-events: none;
    }

    .portrait-frame {
      position: relative;
      top: auto;
      right: auto;
      z-index: 1;
      width: min(100%, 410px);
      margin-left: auto;
      aspect-ratio: 4 / 3;
      overflow: hidden;
      border: 10px solid var(--surface);
      background: var(--ice);
      box-shadow: var(--shadow);
    }

    .portrait-frame::after {
      content: "";
      position: absolute;
      inset: 0;
      box-shadow: inset 0 0 0 1px rgba(7, 27, 51, 0.1);
      pointer-events: none;
    }

    .portrait-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
    }

    .focus-card {
      position: relative;
      z-index: 2;
      left: auto;
      right: auto;
      top: auto;
      bottom: auto;
      width: min(100%, 410px);
      margin-left: auto;
      padding: 25px 26px 22px;
      border-top: 4px solid var(--accent);
      background: var(--navy);
      color: #fff;
      box-shadow: var(--shadow);
    }

    .focus-card .micro-label {
      margin-bottom: 12px;
      color: #f3a39f;
    }

    .focus-card p:not(.micro-label) {
      margin: 0;
      font-family: var(--serif);
      font-size: 1.05rem;
      line-height: 1.46;
    }

    .focus-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin-top: 20px;
    }

    .focus-tags span {
      padding: 4px 8px;
      border: 1px solid rgba(255, 255, 255, 0.28);
      color: #d7e1ea;
      font-size: 0.67rem;
      font-weight: 700;
      letter-spacing: 0.07em;
      text-transform: uppercase;
    }

    .hero-index {
      position: absolute;
      right: -12px;
      bottom: -15px;
      color: var(--line);
      font-family: var(--serif);
      font-size: 7rem;
      line-height: 1;
    }

    .hero-foot {
      display: flex;
      align-items: center;
      gap: 18px;
      margin-top: 40px;
      color: var(--muted);
      font-size: 0.69rem;
      font-weight: 750;
      letter-spacing: 0.09em;
      text-transform: uppercase;
    }

    .signal-line {
      flex: 1;
      height: 1px;
      background: var(--line);
    }

    /* =========================================
       SECTION LAYOUT
    ========================================= */

    .section {
      padding: clamp(86px, 10vw, 150px) 0;
      border-top: 1px solid var(--line);
    }

    .section-grid {
      display: grid;
      grid-template-columns: 140px minmax(0, 1fr);
      gap: clamp(44px, 7vw, 94px);
    }

    .section-label {
      padding-top: 5px;
    }

    .section-label span {
      color: var(--accent);
      font-family: var(--serif);
      font-size: 2.2rem;
    }

    .section-label p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 0.7rem;
      font-weight: 800;
      letter-spacing: 0.13em;
      text-transform: uppercase;
      writing-mode: vertical-rl;
      transform: rotate(180deg);
    }

    .section-content {
      min-width: 0;
    }

    .section-heading-row {
      display: grid;
      grid-template-columns: 1.25fr 0.75fr;
      align-items: end;
      gap: 50px;
      margin-bottom: 62px;
    }

    .section h2 {
      margin: 0;
      color: var(--ink-strong);
      font-family: var(--serif);
      font-size: clamp(2.6rem, 5.2vw, 5rem);
      font-weight: 400;
      letter-spacing: -0.055em;
      line-height: 1;
    }

    .section-intro {
      margin: 0;
      color: var(--muted);
    }

    /* =========================================
       ABOUT
    ========================================= */

    .lead-copy {
      max-width: 1020px;
      margin: -10px 0 58px;
      color: var(--ink-strong);
      font-family: var(--serif);
      font-size: clamp(2.3rem, 5vw, 4.8rem);
      letter-spacing: -0.045em;
      line-height: 1.05;
    }

    .lead-copy em {
      color: var(--accent);
      font-weight: 400;
    }

    .about-columns {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 44px;
      max-width: 900px;
    }

    .about-columns p {
      margin: 0;
      color: var(--muted);
      font-size: 1.03rem;
    }

    .profile-links {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      max-width: 900px;
      margin-top: 58px;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .profile-links a {
      display: flex;
      justify-content: space-between;
      padding: 18px 20px;
      border-right: 1px solid var(--line);
      font-size: 0.8rem;
      font-weight: 750;
      text-decoration: none;
    }

    .profile-links a:last-child {
      border-right: 0;
    }

    .profile-links a:hover {
      background: var(--surface);
      color: var(--accent-dark);
    }

    /* =========================================
       RESEARCH
    ========================================= */

    .research {
      background: var(--surface);
    }

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

    .research-item {
      display: grid;
      grid-template-columns:
        62px
        minmax(0, 1.35fr)
        minmax(210px, 0.65fr);
      gap: 28px;
      padding: 38px 0;
      border-bottom: 1px solid var(--line);
      transition:
        padding 180ms ease,
        background 180ms ease;
    }

    .research-item:hover {
      padding-inline: 18px;
      background: var(--paper);
    }

    .research-number {
      color: var(--accent);
      font-family: var(--serif);
      font-size: 1.6rem;
    }

    .research-item h3 {
      margin: 0 0 10px;
      color: var(--ink-strong);
      font-family: var(--serif);
      font-size: clamp(1.55rem, 2.5vw, 2.2rem);
      font-weight: 400;
      letter-spacing: -0.025em;
      line-height: 1.15;
    }

    .research-item p {
      max-width: 620px;
      margin: 0;
      color: var(--muted);
    }

    .research-item ul {
      margin: 4px 0 0;
      padding: 0;
      list-style: none;
    }

    .research-item li {
      position: relative;
      margin-bottom: 7px;
      padding-left: 15px;
      color: var(--muted);
      font-size: 0.8rem;
    }

    .research-item li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.7em;
      width: 5px;
      height: 1px;
      background: var(--accent);
    }


    /* =========================================
       CURRENT PROJECTS
    ========================================= */

    .projects {
      background: var(--paper);
    }

    .project-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .project-card {
      display: flex;
      min-height: 300px;
      flex-direction: column;
      padding: 28px;
      border: 1px solid var(--line);
      background: var(--surface);
      transition:
        transform 180ms ease,
        border-color 180ms ease,
        box-shadow 180ms ease;
    }

    .project-card:hover {
      transform: translateY(-3px);
      border-color: var(--line-strong);
      box-shadow: 0 18px 45px rgba(7, 27, 51, 0.08);
    }

    .project-number {
      margin-bottom: 30px;
      color: var(--accent);
      font-family: var(--serif);
      font-size: 1.1rem;
    }

    .project-card h3 {
      margin: 0 0 14px;
      color: var(--ink-strong);
      font-family: var(--serif);
      font-size: clamp(1.45rem, 2vw, 1.9rem);
      font-weight: 400;
      letter-spacing: -0.025em;
      line-height: 1.18;
    }

    .project-card p {
      margin: 0;
      color: var(--muted);
      font-size: 0.92rem;
    }

    .project-link {
      width: fit-content;
      margin-top: auto;
      padding-top: 24px;
      border-bottom: 1px solid currentColor;
      color: var(--ink-strong);
      font-size: 0.75rem;
      font-weight: 800;
      text-decoration: none;
    }

    .project-link:hover {
      color: var(--accent-dark);
    }

    /* =========================================
       NEWS / UPDATES
    ========================================= */

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

    .news-item {
      display: grid;
      grid-template-columns: 90px minmax(0, 1fr);
      gap: 28px;
      padding: 23px 0;
      border-bottom: 1px solid var(--line);
    }

    .news-year {
      color: var(--accent);
      font-family: var(--serif);
      font-size: 1rem;
    }

    .news-item p {
      margin: 0;
      color: var(--muted);
    }

    .news-item a {
      color: var(--ink-strong);
      font-weight: 700;
      text-decoration-thickness: 1px;
      text-underline-offset: 4px;
    }

    .news-item a:hover {
      color: var(--accent-dark);
    }

    /* =========================================
       PUBLICATIONS
    ========================================= */

    .publication-heading {
      align-items: center;
    }

    .scholar-link {
      justify-self: end;
    }

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

    .publication-card {
      position: relative;
      display: grid;
      grid-template-columns: 80px minmax(0, 1fr) 86px;
      gap: 30px;
      padding: 34px 20px 34px 0;
      border-bottom: 1px solid var(--line);
    }

    .featured-publication::before {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: -18px;
      width: 3px;
      background: var(--accent);
    }

    .publication-year {
      padding-top: 34px;
      color: var(--muted);
      font-family: var(--serif);
      font-size: 1rem;
    }

    .publication-flags {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin-bottom: 14px;
    }

    .publication-flags span {
      padding: 4px 8px;
      background: var(--ice);
      color: var(--ink);
      font-size: 0.63rem;
      font-weight: 800;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .publication-copy h3 {
      max-width: 860px;
      margin: 0 0 14px;
      font-family: var(--serif);
      font-size: clamp(1.24rem, 2.2vw, 1.72rem);
      font-weight: 400;
      line-height: 1.3;
    }

    .publication-copy h3 a {
      text-decoration: none;
      background-image: linear-gradient(
        var(--accent),
        var(--accent)
      );
      background-position: 0 100%;
      background-repeat: no-repeat;
      background-size: 0 1px;
      transition: background-size 220ms ease;
    }

    .publication-copy h3 a:hover {
      background-size: 100% 1px;
    }

    .authors,
    .venue {
      margin: 0;
      color: var(--muted);
      font-size: 0.82rem;
    }

    .authors {
      margin-bottom: 3px;
    }

    .authors strong {
      color: var(--ink);
    }

    .paper-link {
      align-self: start;
      justify-self: end;
      padding: 5px 0;
      border-bottom: 1px solid currentColor;
      color: var(--ink-strong);
      font-size: 0.75rem;
      font-weight: 800;
      text-decoration: none;
    }

    .paper-link:hover {
      color: var(--accent-dark);
    }

    /* =========================================
       EDUCATION
    ========================================= */

    .education {
      background: var(--navy);
      color: #dce4eb;
    }

    .education .section-label p,
    .education .education-intro {
      color: #98a7b5;
    }

    .education .section-label span {
      color: #ff736c;
    }

    .education h2 {
      color: #fff;
    }

    .kicker-light {
      color: #ff8c86;
    }

    .education-intro {
      max-width: 620px;
      margin: 28px 0 56px;
      font-family: var(--serif);
      font-size: 1.2rem;
    }

    .education-timeline {
      margin: 0;
      padding: 0;
      border-top: 1px solid rgba(255, 255, 255, 0.22);
      list-style: none;
    }

    .education-timeline li {
      display: grid;
      grid-template-columns: 170px minmax(0, 1fr) auto;
      align-items: center;
      gap: 30px;
      padding: 30px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    }

    .education-timeline time {
      color: #9daab6;
      font-size: 0.76rem;
      font-weight: 750;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .education-timeline h3 {
      margin: 0 0 3px;
      color: #fff;
      font-family: var(--serif);
      font-size: 1.45rem;
      font-weight: 400;
    }

    .education-timeline p {
      margin: 0;
      color: #aebac4;
      font-size: 0.9rem;
    }

    .timeline-status {
      padding: 5px 9px;
      border: 1px solid rgba(255, 255, 255, 0.25);
      color: #d9e1e8;
      font-size: 0.65rem;
      font-weight: 750;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }


    /* Academic background is intentionally quieter than research/publications. */
    .education {
      background: var(--surface);
      color: var(--ink);
    }

    .education.section {
      padding: clamp(64px, 7vw, 100px) 0;
    }

    .education .section-label p,
    .education .education-intro,
    .education-timeline time,
    .education-timeline p {
      color: var(--muted);
    }

    .education .section-label span,
    .education .kicker-light {
      color: var(--accent);
    }

    .education h2,
    .education-timeline h3 {
      color: var(--ink-strong);
    }

    .education-intro {
      margin-bottom: 38px;
    }

    .education-timeline {
      border-top: 1px solid var(--line-strong);
    }

    .education-timeline li {
      padding: 22px 0;
      border-bottom: 1px solid var(--line);
    }

    .timeline-status {
      border-color: var(--line);
      color: var(--muted);
    }

    /* =========================================
       CONTACT
    ========================================= */

    .contact-content h2 {
      max-width: 930px;
    }

    .contact-intro {
      max-width: 620px;
      margin: 28px 0 48px;
      color: var(--muted);
    }

    .email-cta {
      display: grid;
      grid-template-columns: 150px minmax(0, 1fr) auto;
      align-items: center;
      gap: 28px;
      padding: 24px 0;
      border-top: 1px solid var(--line-strong);
      border-bottom: 1px solid var(--line-strong);
      text-decoration: none;
    }

    .email-cta > span:first-child {
      color: var(--muted);
      font-size: 0.72rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .email-cta strong {
      font-family: var(--serif);
      font-size: clamp(1.35rem, 3vw, 2.3rem);
      font-weight: 400;
      overflow-wrap: anywhere;
    }

    .email-arrow {
      display: grid;
      place-items: center;
      width: 48px;
      height: 48px;
      background: var(--accent);
      color: #fff;
      font-size: 1.25rem;
      transition: transform 180ms ease;
    }

    .email-cta:hover .email-arrow {
      transform: translate(3px, -3px);
    }

    .institutional-emails {
      display: grid;
      grid-template-columns: 1fr;
      gap: 18px;
      max-width: 780px;
      margin-top: 32px;
    }

    .institutional-emails div {
      display: grid;
      gap: 4px;
    }

    .institutional-emails span {
      color: var(--muted);
      font-size: 0.66rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .institutional-emails a {
      width: fit-content;
      color: var(--ink);
      font-size: 0.88rem;
      text-underline-offset: 4px;
      overflow-wrap: anywhere;
    }

    /* =========================================
       FOOTER
    ========================================= */

    .site-footer {
      padding: 56px 0;
      border-top: 1px solid var(--line);
      background: var(--surface);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: end;
      gap: 26px;
    }

    .footer-name {
      color: var(--ink-strong);
      font-family: var(--serif);
      font-size: 1.4rem;
      text-decoration: none;
    }

    .site-footer p {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 0.72rem;
    }

    .footer-links {
      display: flex;
      gap: 22px;
    }

    .footer-links a {
      font-size: 0.75rem;
      font-weight: 750;
      text-decoration: none;
    }

    .footer-links a:hover {
      color: var(--accent-dark);
    }

    .copyright {
      grid-column: 1 / -1;
      padding-top: 24px;
      border-top: 1px solid var(--line);
    }

    /* =========================================
       REVEAL ANIMATIONS
    ========================================= */

    .reveal-ready [data-reveal] {
      opacity: 0;
      transform: translateY(18px);
      transition:
        opacity 600ms ease,
        transform 600ms ease;
    }

    .reveal-ready [data-reveal].is-visible {
      opacity: 1;
      transform: none;
    }

    /* =========================================
       TABLET
    ========================================= */

    @media (max-width: 980px) {
      :root {
        --shell: min(calc(100% - 40px), 820px);
      }

      .brand-field {
        display: none;
      }

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

      .hero-visual {
        width: min(520px, 100%);
        min-height: 0;
        margin-left: auto;
        margin-right: auto;
        align-items: stretch;
      }

      .portrait-frame,
      .focus-card {
        width: 100%;
        margin-left: 0;
      }

      .section-grid {
        grid-template-columns: 70px minmax(0, 1fr);
        gap: 34px;
      }

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

      .project-card {
        min-height: 0;
      }

      .section-heading-row {
        grid-template-columns: 1fr;
        gap: 25px;
      }

      .section-intro {
        max-width: 630px;
      }

      .research-item {
        grid-template-columns: 48px minmax(0, 1fr);
      }

      .research-item ul {
        grid-column: 2;
        display: flex;
        flex-wrap: wrap;
        gap: 5px 16px;
      }

      .publication-card {
        grid-template-columns: 60px minmax(0, 1fr);
      }

      .paper-link {
        grid-column: 2;
        justify-self: start;
      }
    }

    /* =========================================
       MOBILE
    ========================================= */

    @media (max-width: 760px) {
      :root {
        --shell: calc(100% - 32px);
      }

      html {
        scroll-padding-top: 74px;
      }

      .header-inner {
        min-height: 66px;
      }

      .menu-toggle {
        display: grid;
      }

      .primary-nav {
        position: absolute;
        top: 66px;
        left: 0;
        right: 0;
        display: grid;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        visibility: hidden;
        border-bottom: 0 solid var(--line);
        background: var(--paper);
        transition:
          max-height 240ms ease,
          border-width 240ms ease;
      }

      .primary-nav.is-open {
        max-height: 380px;
        visibility: visible;
        border-bottom-width: 1px;
      }

      .primary-nav a {
        padding: 15px 24px;
        border-top: 1px solid var(--line);
      }

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

      .menu-toggle[aria-expanded="true"] span:first-child {
        transform: translateY(3px) rotate(45deg);
      }

      .menu-toggle[aria-expanded="true"] span:last-child {
        transform: translateY(-3px) rotate(-45deg);
      }

      .hero {
        padding-top: 68px;
      }

      .hero h1 {
        font-size: clamp(3.5rem, 17vw, 5.7rem);
      }

      .hero-statement {
        margin-top: 30px;
      }

      .hero-actions {
        align-items: stretch;
      }

      .button {
        flex: 1 1 180px;
      }

      .hero-visual {
        width: 100%;
        min-height: 0;
        gap: 16px;
        margin: 0;
      }

      .portrait-frame {
        width: 100%;
      }

      .focus-card {
        width: 100%;
        left: auto;
        bottom: auto;
      }

      .hero-foot {
        align-items: flex-start;
      }

      .hero-foot .signal-line {
        display: none;
      }

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

      .section-label {
        display: flex;
        align-items: baseline;
        gap: 12px;
      }

      .section-label span {
        font-size: 1.45rem;
      }

      .section-label p {
        writing-mode: initial;
        transform: none;
      }

      .lead-copy {
        margin-top: 0;
      }

      .about-columns,
      .institutional-emails {
        grid-template-columns: 1fr;
        gap: 24px;
      }

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

      .news-item {
        grid-template-columns: 1fr;
        gap: 5px;
      }

      .profile-links a {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .profile-links a:last-child {
        border-bottom: 0;
      }

      .publication-heading .scholar-link {
        justify-self: start;
      }

      .education-timeline li {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .timeline-status {
        width: fit-content;
      }

      .email-cta {
        grid-template-columns: 1fr auto;
        gap: 12px;
      }

      .email-cta > span:first-child {
        grid-column: 1 / -1;
      }

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

      .footer-links {
        flex-wrap: wrap;
      }
    }

    @media (max-width: 520px) {
      .hero h1 {
        letter-spacing: -0.065em;
      }

      .identity-line {
        display: grid;
        gap: 5px;
      }

      .identity-divider {
        display: none;
      }

      .hero-visual {
        min-height: 0;
        gap: 14px;
      }

      .focus-card {
        width: 100%;
        padding: 20px;
      }

      .hero-index {
        display: none;
      }

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

      .research-item ul {
        grid-column: 1;
      }

      .publication-card {
        grid-template-columns: 1fr;
        gap: 14px;
        padding-right: 0;
      }

      .publication-year,
      .paper-link {
        padding-top: 0;
        grid-column: 1;
      }

      .email-cta {
        grid-template-columns: 1fr;
      }

      .email-arrow {
        margin-top: 8px;
      }
    }

    /* =========================================
       REDUCED MOTION
    ========================================= */

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
      }

      .reveal-ready [data-reveal] {
        opacity: 1;
        transform: none;
      }
    }

    /* =========================================
       PRINT
    ========================================= */

    @media print {
      .site-header,
      .theme-toggle,
      .menu-toggle,
      .hero-actions,
      .profile-links,
      .footer-links {
        display: none !important;
      }

      body {
        background: #fff;
        color: #111;
      }

      .section,
      .hero {
        padding: 36px 0;
      }

      .education {
        background: #fff;
        color: #111;
      }

      .education h2,
      .education-timeline h3 {
        color: #111;
      }

      .reveal-ready [data-reveal] {
        opacity: 1;
        transform: none;
      }
    }
  
/* Multi-page academic site additions */
.page-title{
  padding:clamp(48px,6vw,78px) 0 clamp(34px,4.5vw,54px);
  border-bottom:1px solid var(--line);
}
.page-title h1{
  max-width:900px;
  margin:0;
  color:var(--ink-strong);
  font-family:var(--serif);
  font-size:clamp(2.8rem,5.5vw,4.8rem);
  font-weight:400;
  letter-spacing:-0.055em;
  line-height:.96;
}
.page-title .page-summary{
  max-width:780px;
  margin:20px 0 0;
  color:var(--muted);
  font-size:1rem;
}
.detail-section{
  padding:clamp(54px,7vw,92px) 0;
  border-bottom:1px solid var(--line);
}
.detail-section .section-content{
  max-width:1080px;
  margin-inline:auto;
}
.detail-toolbar{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:18px;
  margin-bottom:28px;
}
@media(max-width:760px){
  .detail-toolbar{
    justify-content:flex-start;
  }
}
.explore-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.explore-card{
  display:flex;
  min-height:210px;
  flex-direction:column;
  padding:26px;
  border:1px solid var(--line);
  background:var(--surface);
  text-decoration:none;
  transition:transform 180ms ease,border-color 180ms ease,box-shadow 180ms ease;
}
.explore-card:hover{
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:0 18px 45px rgba(7,27,51,.08);
}
.explore-card span{
  color:var(--accent);
  font-family:var(--serif);
  font-size:1rem;
}
.explore-card h3{
  margin:28px 0 8px;
  color:var(--ink-strong);
  font-family:var(--serif);
  font-size:1.55rem;
  font-weight:400;
}
.explore-card p{margin:0;color:var(--muted);font-size:.9rem}
.explore-card strong{margin-top:auto;padding-top:22px;color:var(--ink-strong);font-size:.75rem}
.page-note{max-width:840px;color:var(--muted)}
@media(max-width:980px){.explore-grid{grid-template-columns:1fr}.explore-card{min-height:0}}

/* Publication grouping */
.publication-group + .publication-group{
  margin-top:clamp(54px,7vw,84px);
}
.publication-group-title{
  display:flex;
  align-items:center;
  gap:16px;
  margin:0 0 24px;
  color:var(--ink-strong);
  font-family:var(--serif);
  font-size:clamp(1.8rem,3.2vw,2.7rem);
  font-weight:400;
  letter-spacing:-0.03em;
}
.publication-group-title::after{
  content:"";
  flex:1;
  height:1px;
  background:var(--line);
}
.publication-group-note{
  margin:-12px 0 28px;
  color:var(--muted);
  font-size:.86rem;
}

/* Compact dated updates on homepage */
.home-updates .section-heading-row{
  align-items:center;
  margin-bottom:34px;
}
.home-updates .section-heading-row .text-link{
  justify-self:end;
}
.home-updates .news-item{
  grid-template-columns:130px minmax(0,1fr);
}
.home-updates .news-year{
  white-space:nowrap;
  font-size:.9rem;
}
@media(max-width:760px){
  .home-updates .section-heading-row .text-link{
    justify-self:start;
  }
  .home-updates .news-item{
    grid-template-columns:1fr;
  }
}