:root {
    --ink: #444;
    --heading: #111;
    --muted: #777;
    --link: #0000ee;
    --rule: #e5e5e5;
    --paper: #fff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-y: scroll;
    scrollbar-gutter: stable;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 18px;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--link);
    text-decoration: none;
}

    a:hover,
    a:focus-visible {
        text-decoration: underline;
    }

/*.wrap {
    width: min(1200px, calc(100% - 64px));
    margin-inline: auto;
}*/

.wrap {
    width: calc(100% - 64px);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}


/* =========================================================
   HEADER
   Matches the current HTML classes:
   header-layout / lab-brand
   header-right / ucl-brand / ucl-logo / main-nav
   ========================================================= */

.site-header {
    padding: 25px 0 22px;
}

.header-layout {
    display: grid;
    grid-template-columns: 330px minmax(0, 1fr);
    gap: clamp(70px, 11vw, 150px);
    align-items: start;
}


/* Left: ERL wordmark */
.lab-brand {
    grid-column: 1;
    display: block;
    justify-self: start;
    color: #361A54;
    font-size: 56px;
    font-weight: 700;
    letter-spacing: -0.08em;
    line-height: 1;
    margin-top: -8px;
    overflow: visible;
}

    .lab-brand:hover {
        text-decoration: none;
    }

/* Right: UCL logo above navigation */
.header-right {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-self: stretch;
    min-width: 0;
    margin: 0;
    padding: 0;
}

.ucl-brand {
    display: block;
    align-self: flex-end;
    line-height: 0;
    margin: 0;
}

    .ucl-brand:hover {
        text-decoration: none;
    }

.ucl-logo {
    display: block;
    width: 170px;
    height: 30px;
    max-width: 100%;
    object-fit: contain;
    object-position: right center;
}

.main-nav {
    align-self: flex-end;
    margin-top: 12px;
}

nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: clamp(18px, 3vw, 38px);
    font-size: 18px;
}

    nav a {
        color: #707070;
    }

        nav a:hover,
        nav a.active {
            color: #222;
            text-decoration: none;
        }

/* =========================================================
   HOME PAGE
   ========================================================= */

.home-layout {
    display: grid;
    grid-template-columns: 330px minmax(0, 1fr);
    gap: clamp(70px, 11vw, 150px);
    align-items: start;
    padding-top: 46px;
    padding-bottom: 76px;
}

.profile-column {
    position: sticky;
    top: 30px;
}

.lead-portrait {
    display: block;
    width: 300px;
    max-width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center 22%;
}

.affiliation {
    margin-top: 28px;
    font-size: 19px;
    line-height: 1.45;
}

    .affiliation p {
        margin: 0;
    }

.profile-name {
    margin: 22px 0 0;
    color: var(--heading);
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.035em;
    line-height: 1.2;
}

.profile-links {
    display: flex;
    gap: 20px;
    margin-top: 18px;
    font-size: 16px;
}

.home-content {
    max-width: 760px;
    padding-top: 0px;
}

.intro-copy p,
.research-block p {
    margin: 0 0 30px;
}

.intro-copy {
    font-size: 20px;
    line-height: 1.42;
}

.research-block {
    margin-top: 52px;
}

    .research-block h1,
    .selected-work h2 {
        margin: 0 0 24px;
        color: var(--ink);
        font-size: 21px;
        font-weight: 700;
        line-height: 1.3;
    }

    .research-block p {
        font-size: 19px;
    }

    .research-block .join-note {
        margin-top: 8px;
        font-size: 18px;
    }

.selected-work {
    margin-top: 52px;
}

.home-publications {
    margin: 0;
    padding-left: 27px;
}

    .home-publications li {
        margin: 0 0 24px;
        padding-left: 4px;
    }

    .home-publications span,
    .home-publications em {
        color: #555;
    }

.text-link {
    display: inline-block;
    margin-top: 6px;
}

/* =========================================================
   GENERAL INNER PAGES
   ========================================================= */

.page-main {
    padding-top: 56px;
    padding-bottom: 90px;
}

.narrow-page {
    max-width: 850px;
    margin-left: max(32px, calc((100vw - 1200px) / 2));
}

/*.page-title {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    align-items: end;
    gap: 56px;
    margin-bottom: 62px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--rule);
}*/
.page-title {
    display: grid;
    grid-template-columns: 330px minmax(0, 1fr);
    gap: clamp(70px, 11vw, 150px);
    align-items: end;
    margin-bottom: 62px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--rule);
}
    .page-title h1 {
        margin: 0;
        color: var(--heading);
        font-size: 42px;
        font-weight: 500;
        letter-spacing: -0.045em;
    }

    .page-title p {
        justify-self: end;
        width: min(100%, 295px);
        max-width: none;
        margin: 0;
        color: var(--muted);
        text-align: left;
    }
.contact-page .page-title p {
    width: 470px;
    max-width: 100%;
}
/* =========================================================
   GROUP PAGE
   ========================================================= */

.people-section {
    margin-top: 64px;
}

    .people-section:first-of-type {
        margin-top: 0;
    }

    .people-section h2,
    .publication-year h2 {
        margin: 0 0 28px;
        color: var(--ink);
        font-size: 21px;
        font-weight: 700;
    }

.people-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 44px 28px;
}

.person img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    border: 1px solid #ddd;
    object-fit: cover;
}

.person h3 {
    margin: 13px 0 3px;
    color: var(--heading);
    font-size: 18px;
    font-weight: 500;
}

    .person h3 a {
        color: inherit;
    }

        .person h3 a.highlight-name {
            color: var(--link);
        }

.person p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.status {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 7px;
    border: 1px solid #bbb;
    border-radius: 999px;
    color: #666;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    vertical-align: 1px;
}

    .status.visiting {
        border-color: #8ca0bd;
        color: #516783;
    }

/* =========================================================
   PUBLICATION PAGE
   ========================================================= */

.publication-year {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 40px;
    margin-top: 58px;
}

    .publication-year:first-of-type {
        margin-top: 0;
    }

    .publication-year h2 {
        font-size: 24px;
    }

.pub-list {
    margin: 0;
    padding-left: 25px;
}

    .pub-list li {
        margin: 0 0 28px;
        padding-left: 4px;
    }

    .pub-list a {
        font-size: 19px;
    }

    .pub-list .authors,
    .pub-list em {
        display: block;
        margin-top: 3px;
        font-size: 16px;
    }

    .pub-list .authors {
        color: #555;
    }

    .pub-list em {
        color: var(--muted);
        font-style: italic;
    }

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

.contact-details {
    margin: 0;
}

    .contact-details div {
        display: grid;
        grid-template-columns: 140px 1fr;
        gap: 30px;
        padding: 24px 0;
        border-bottom: 1px solid var(--rule);
    }

    .contact-details dt {
        color: #222;
        font-weight: 600;
    }

    .contact-details dd {
        margin: 0;
    }

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

.footer {
    padding: 24px 0 38px;
    border-top: 1px solid var(--rule);
    color: #888;
    font-size: 13px;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 900px) {
    .header-layout {
        grid-template-columns: 250px minmax(0, 1fr);
        gap: 55px;
    }

    .ucl-logo {
        width: 145px;
        height: 42px;
    }

    .main-nav {
        margin-top: 15px;
    }

    nav {
        gap: 24px;
        font-size: 18px;
    }

    .home-layout {
        grid-template-columns: 250px minmax(0, 1fr);
        gap: 55px;
    }

    .people-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {

    .contact-page .page-title p {
        width: 100%;
        justify-self: start;
    }

    body {
        font-size: 16px;
    }

    .wrap {
        width: min(100% - 36px, 620px);
    }

    .site-header {
        padding-top: 20px;
    }

    /*
    Mobile:
    logos on first row, navigation below both logos
  */
    .header-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        grid-template-rows: auto auto;
        column-gap: 14px;
        row-gap: 14px;
        align-items: center;
    }

    .lab-brand {
        grid-column: 1;
        grid-row: 1;
        justify-self: start;
        margin-top: 0;
    }


    .header-right {
        display: contents;
    }

    .ucl-brand {
        grid-column: 2;
        grid-row: 1;
        justify-self: end;
        align-self: center;
    }


    .main-nav {
        grid-column: 1 / -1;
        grid-row: 2;
        justify-self: stretch;
        width: 100%;
        margin-top: 0;
    }

    nav {
        width: 100%;
        justify-content: flex-end;
        gap: 18px;
        font-size: 16px;
    }

    .home-layout {
        grid-template-columns: 1fr;
        gap: 42px;
        padding-top: 30px;
    }

    .profile-column {
        position: static;
    }

    .lead-portrait {
        width: min(300px, 78vw);
    }

    .home-content {
        padding-top: 0;
    }

    .intro-copy {
        font-size: 18px;
    }

    .page-main {
        padding-top: 40px;
    }

    .page-title {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 42px;
    }

    .people-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 34px 18px;
    }

    .publication-year {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-top: 42px;
    }

        .publication-year h2 {
            margin-bottom: 4px;
        }

    .narrow-page {
        margin-inline: auto;
    }
}

@media (max-width: 430px) {
    .header-layout {
        column-gap: 9px;
        row-gap: 12px;
    }


    nav {
        justify-content: space-between;
        gap: 8px;
        font-size: 14px;
    }

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

    .contact-details div {
        grid-template-columns: 1fr;
        gap: 7px;
    }
}
.contact-page .contact-details {
    max-width: 850px;
}