@font-face {
    font-family: "DM Sans";
    src: url("../fonts/DMSans-Regular.ttf") format("truetype");
    font-style: normal;
    font-weight: 100 1000;
    font-display: swap;
}

@font-face {
    font-family: "DM Sans";
    src: url("../fonts/DMSans-Italic.ttf") format("truetype");
    font-style: italic;
    font-weight: 100 1000;
    font-display: swap;
}

@font-face {
    font-family: "Inter";
    src: url("../fonts/Inter-Regular.ttf") format("truetype");
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

@font-face {
    font-family: "Newsreader";
    src: url("../fonts/Newsreader-Regular.ttf") format("truetype");
    font-style: normal;
    font-weight: 200 800;
    font-display: swap;
}

@font-face {
    font-family: "Source Sans 3";
    src: url("../fonts/SourceSans3-Regular.ttf") format("truetype");
    font-style: normal;
    font-weight: 200 900;
    font-display: swap;
}

@font-face {
    font-family: "Libre Caslon Display";
    src: url("../fonts/LibreCaslonDisplay-Regular.ttf") format("truetype");
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: "Libre Caslon Text";
    src: url("../fonts/LibreCaslonText-Regular.ttf") format("truetype");
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
}

@font-face {
    font-family: "Playfair Display";
    src: url("../fonts/PlayfairDisplay-Regular.ttf") format("truetype");
    font-style: normal;
    font-weight: 400 900;
    font-display: swap;
}

@font-face {
    font-family: "DM Serif Display";
    src: url("../fonts/DMSerifDisplay-Regular.ttf") format("truetype");
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}

:root {
    --background-color: #faf7ed;
    --navbar-background-color-scrolled: rgba(250, 247, 237, 0.7);
    --text-color: #282826;
    --muted-text-color: #60605a;
    --research-text-color: #405b52;
    --border-color: #aaa79d;
    --photo-background-color: #e9e7df;
    --link-color: #236a73;
    --link-hover-color: #164b52;
    --badge-text-color: #ffffff;
    --badge-background-color: #60605a;
    --badge-jcr-color: #46724f;
    --badge-sjr-color: #995050;
    --badge-core-color: #876d27;
    --badge-ccf-color: #3d6d94;
    --badge-pdf-color: var(--link-color);
    --font-family-body: "DM Sans", Arial, sans-serif;
    --font-family-heading: "Newsreader", "Times New Roman", serif;
    --font-weight-body: 400;
    --font-weight-heading: 500;
    --font-size-base: 1.125rem;
    --font-size-small: 0.9375rem;
    --font-size-badge: 0.8125rem;
    --badge-width: 4.25rem;
    --font-size-role: 1.125rem;
    --font-size-team-name: 1.75rem;
    --font-size-team-role: 1.25rem;
    --font-size-section: 2.25rem;
    --font-size-page-title: 3.5rem;
    --font-size-name: 5rem;
    --font-size-name-compact: 3.75rem;
    --font-size-name-min: 2.75rem;
    --section-spacing: 36px;
    --section-divider-spacing: 24px;
    --paragraph-spacing: 1em;
    --recruitment-padding: 24px;
    --page-title-line-width: 56px;
    --student-photo-ratio: 3 / 4;
    --student-grid-spacing: 28px;
    --team-photo-hover-scale: 1.05;
    --panel-animation-duration: 420ms;
    --menu-animation-duration: 360ms;
    --loading-fade-duration: 240ms;
    --interaction-duration: 360ms;
    --loading-animation-duration: 1200ms;
    --loading-min-duration: 0ms;
    --loading-track-width: 160px;
    --loading-triangle-size: 16px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family-body);
    font-weight: var(--font-weight-body);
    font-size: var(--font-size-base);
}

p {
    text-align: justify;
}

body[data-loading] {
    overflow: hidden;
}

#site-loading {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: 24px;
    background-color: var(--background-color);
    text-align: center;
}

#site-loading[hidden] {
    display: none;
}

#site-loading p {
    margin: 0 0 12px;
    text-align: center;
    font-family: var(--font-family-heading);
    font-size: var(--font-size-section);
    font-weight: var(--font-weight-heading);
}

#site-loading span {
    color: var(--muted-text-color);
    font-size: var(--font-size-small);
}

#loading-indicator {
    width: var(--loading-track-width);
    height: 24px;
    margin: 20px auto 0;
    padding: 4px;
    overflow: hidden;
}

#loading-indicator::after {
    content: '';
    display: block;
    width: var(--loading-triangle-size);
    height: var(--loading-triangle-size);
    clip-path: polygon(50% 0, 100% 100%, 0 100%);
    background-color: var(--research-text-color);
    animation: loading-roll var(--loading-animation-duration) ease-in-out infinite alternate;
}

@keyframes loading-roll {
    from {
        transform: translateX(0) rotate(0deg);
    }

    to {
        transform: translateX(calc(var(--loading-track-width) - var(--loading-triangle-size) - 8px)) rotate(360deg);
    }
}

.page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
    width: calc(100% - 96px);
    max-width: 1100px;
    margin: 0 auto;
}

.page>div[id] {
    flex: 1 0 auto;
}

.page>div>section {
    padding-bottom: var(--section-spacing);
}

.page>div>section+section:not(:where(#recruitment)) {
    border-top: 1px solid var(--border-color);
    padding-top: var(--section-divider-spacing);
}

#navbar {
    position: sticky;
    top: 0;
    z-index: 10;
    flex-shrink: 0;
    background-color: var(--background-color);
    display: flex;
    justify-content: center;
    padding: 24px 0 20px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--interaction-duration) ease-out;
}

#navbar[data-scrolled] {
    background-color: var(--navbar-background-color-scrolled);
    backdrop-filter: blur(6px);
}

nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
}

#navigation summary {
    display: none;
    cursor: pointer;
}

nav a {
    position: relative;
    color: inherit;
    padding: 4px 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 5px 7px;
    border-color: transparent transparent currentColor;
    opacity: 0;
    transform: translate(-50%, 3px);
    transition: opacity var(--interaction-duration) ease-out,
        transform var(--interaction-duration) ease-out;
}

nav a:hover,
nav a:focus-visible,
nav a[data-current] {
    color: var(--link-hover-color);
}

nav a:hover::after,
nav a:focus-visible::after {
    opacity: 1;
    transform: translate(-50%, 0);
}

#hero {
    display: grid;
    max-width: 960px;
    margin: 0 auto;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 88px;
    justify-content: center;
    align-items: center;
    padding: 56px 0 var(--section-spacing);
}

.hero-photo {
    display: block;
    width: 360px;
    aspect-ratio: 41 / 50;
    object-fit: cover;
    justify-self: center;
    background-color: var(--photo-background-color);
}

.hero-text {
    min-width: 0;
}

.hero-text h1 {
    margin: 0 0 24px;
    font-family: var(--font-family-heading);
    font-size: var(--font-size-name);
    font-weight: var(--font-weight-heading);
    line-height: 1.05;
    letter-spacing: -0.025em;
}

.hero-title {
    margin: 0 0 12px;
    font-size: var(--font-size-role);
    line-height: 1.5;
}

.hero-affiliation {
    margin: 0;
    font-size: var(--font-size-base);
    line-height: 1.65;
}

.hero-contact {
    margin-top: 24px;
    color: var(--muted-text-color);
    line-height: 1.65;
}

.hero-contact p {
    margin: 0;
}

.hero-profiles {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    margin-top: 12px;
}

.hero-profiles a+a {
    border-left: 1px solid var(--border-color);
    padding-left: 12px;
}

nav a,
.page>div a[href] {
    text-decoration-line: underline;
    text-decoration-color: transparent;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color var(--interaction-duration) ease-out,
        text-decoration-color var(--interaction-duration) ease-out;
}

nav a:hover,
nav a:focus-visible,
nav a[data-current],
.page>div a[href]:hover,
.page>div a[href]:focus-visible {
    text-decoration-color: currentColor;
}

.page>div a[href] {
    color: var(--link-color);
    padding-bottom: 3px;
}

.page>div a[href]:hover,
.page>div a[href]:focus-visible {
    color: var(--link-hover-color);
}

:is(#recruitment, #team-recruitment) {
    padding: var(--recruitment-padding);
    color: var(--muted-text-color);
    line-height: 1.65;
}

#recruitment {
    margin-bottom: var(--section-spacing);
}

:is(#recruitment, #team-recruitment) p {
    margin: 0;
}

:is(#recruitment, #team-recruitment) ul {
    margin: 16px 0;
    padding-left: 20px;
    list-style-type: square;
}

:is(#recruitment, #team-recruitment) li {
    color: var(--research-text-color);
    font-weight: 500;
}

@media (min-width: 901px) {
    :is(#recruitment, #team-recruitment) ul {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px 32px;
    }
}

.section-title {
    margin: 0 0 18px;
    font-family: var(--font-family-heading);
    font-size: var(--font-size-section);
    font-weight: var(--font-weight-heading);
    line-height: 1.2;
}

:is(#home-news, #news) .section-title {
    margin-bottom: 16px;
}

#home-news>a {
    display: table;
    margin: 16px 0 0 auto;
    color: var(--link-color);
}

:is(#teaching, #services, #news, #publications, #team) {
    padding-top: 48px;
}

:is(#teaching, #services, #publications, #team)>h1 {
    margin: 0 0 var(--section-spacing);
    font-family: var(--font-family-heading);
    font-size: var(--font-size-page-title);
    font-weight: var(--font-weight-heading);
    line-height: 1.1;
}

:is(#teaching, #services, #publications, #team)>h1::after {
    content: '';
    display: block;
    width: var(--page-title-line-width);
    height: 2px;
    margin-top: 18px;
    background-color: var(--research-text-color);
}

:is(#teaching, #services) h3 {
    margin: 24px 0 12px;
    font-size: var(--font-size-role);
    font-weight: 600;
    line-height: 1.5;
}

:is(#teaching, #services) section>h3:first-of-type {
    margin-top: 0;
}

:is(#teaching, #services) ul {
    margin: 0;
    padding: 0;
    list-style: none;
    line-height: 1.65;
}

:is(#teaching, #services) li {
    position: relative;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding-left: 18px;
}

:is(#teaching, #services) li::before {
    content: '';
    position: absolute;
    top: calc(0.825em - 2.5px);
    left: 0;
    width: 5px;
    height: 5px;
    background-color: var(--muted-text-color);
}

:is(#teaching, #services) li+li {
    margin-top: 8px;
}

:is(#teaching, #services) li span:first-child {
    min-width: 0;
    overflow-wrap: anywhere;
}

:is(#teaching, #services) li span+span {
    flex-shrink: 0;
    color: var(--muted-text-color);
}

#services li {
    display: block;
    overflow-wrap: anywhere;
}

#services strong {
    font-weight: 600;
}

#conference-reviewing,
#journal-reviewing {
    display: grid;
    gap: 8px 24px;
}

#conference-reviewing {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

#journal-reviewing {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

#conference-reviewing li+li,
#journal-reviewing li+li {
    margin-top: 0;
}

#principal-investigator figure {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
    gap: var(--student-grid-spacing);
    margin: 0;
}

#principal-investigator figcaption {
    grid-column: span 2;
    min-width: 0;
    line-height: 1.65;
    overflow-wrap: anywhere;
}

#principal-investigator p {
    margin: 0;
    text-align: left;
    color: var(--muted-text-color);
    font-size: var(--font-size-base);
}

#team-recruitment {
    margin-top: 24px;
}

#team-recruitment p {
    font-size: var(--font-size-base);
    text-align: justify;
}

#team .team-photo {
    aspect-ratio: var(--student-photo-ratio);
    overflow: hidden;
    background-color: var(--photo-background-color);
}

#team .team-photo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--interaction-duration) ease-out;
}

@media (hover: hover) and (pointer: fine) {
    #team .team-photo:hover img {
        transform: scale(var(--team-photo-hover-scale));
    }
}

#research-students {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--student-grid-spacing);
}

#research-students figure {
    min-width: 0;
    margin: 0;
    text-align: center;
}

#research-students figcaption {
    margin-top: 12px;
    line-height: 1.65;
    overflow-wrap: anywhere;
}

:is(#research-students, #principal-investigator) h3 {
    margin: 0 0 10px;
    font-size: var(--font-size-team-name);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-color);
}

:is(#research-students, #principal-investigator) figcaption>p:first-of-type {
    margin-bottom: 4px;
    color: var(--text-color);
    font-size: var(--font-size-team-role);
    font-weight: 500;
    line-height: 1.5;
}

#research-students p {
    margin: 0;
    text-align: center;
    color: var(--muted-text-color);
    font-size: var(--font-size-base);
}

#research-students p:nth-of-type(2) {
    margin-top: 2px;
}

#research-students p:last-child {
    margin-top: 12px;
    color: var(--research-text-color);
    font-weight: 500;
    line-height: 1.5;
}

#project-students-table {
    overflow-x: auto;
}

#project-students-table table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    text-align: left;
    line-height: 1.65;
}

#project-students-table th,
#project-students-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
}

#project-students-table th {
    font-weight: 600;
}

#project-students-table td {
    color: var(--muted-text-color);
    overflow-wrap: anywhere;
}

#project-students-table :is(th, td):first-child {
    padding-left: 0;
}

#project-students-table :is(th, td):last-child {
    padding-right: 0;
}

.news-list {
    display: grid;
    gap: 16px;
}

#publications section[hidden]+section {
    border-top: 0;
    padding-top: 0;
}

#publications dl {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 18px 20px;
    margin: 0;
    line-height: 1.65;
}

#publications dt {
    color: var(--muted-text-color);
}

#publications dd {
    min-width: 0;
    margin: 0;
    overflow-wrap: anywhere;
}

#publications p {
    margin: 0;
}

#publications strong {
    font-weight: 600;
}

#publications [data-badge] {
    display: inline-block;
    width: var(--badge-width);
    padding: 2px 7px;
    margin-left: 6px;
    border-radius: 3px;
    background-color: var(--badge-background-color);
    color: var(--badge-text-color);
    font-size: var(--font-size-badge);
    line-height: 1.4;
    white-space: nowrap;
    vertical-align: baseline;
    text-align: center;
}

#publications [data-badge="jcr"] {
    background-color: var(--badge-jcr-color);
}

#publications [data-badge="sjr"] {
    background-color: var(--badge-sjr-color);
}

#publications [data-badge="core"] {
    background-color: var(--badge-core-color);
}

#publications [data-badge="ccf"] {
    background-color: var(--badge-ccf-color);
}

#publications a[data-badge="pdf"] {
    background-color: var(--badge-pdf-color);
    background-image: none;
    text-decoration: none;
    transition: background-color var(--interaction-duration) ease-out;
}

#publications a[data-badge="pdf"]:hover,
#publications a[data-badge="pdf"]:focus-visible {
    background-color: var(--link-hover-color);
    color: var(--badge-text-color);
}

.news-group {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 12px;
    color: var(--muted-text-color);
    line-height: 1.5;
}

.news-date {
    color: var(--text-color);
}

.news-items {
    margin: 0;
    padding: 0 0 0 16px;
    list-style: none;
    border-left: 1px solid var(--border-color);
}

.news-items p {
    margin: 0;
}

.news-items li+li {
    margin-top: 8px;
}

footer {
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    text-align: center;
    padding: 24px 0 32px;
    border-top: 1px solid var(--border-color);
    color: var(--muted-text-color);
    font-family: var(--font-family-body);
    font-size: var(--font-size-small);
}

#bio p {
    margin: 0;
    color: var(--muted-text-color);
    line-height: 1.8;
}

#bio p+p {
    margin-top: var(--paragraph-spacing);
}

.hero-contact,
.news-items p,
#recruitment p,
#team-recruitment p,
#bio p {
    overflow-wrap: anywhere;
}

@media (max-width: 1000px) {
    .page {
        width: calc(100% - 64px);
    }

    #hero {
        max-width: 800px;
        margin: 0 auto;
        grid-template-columns: 300px minmax(0, 1fr);
        gap: 48px;
        padding: 48px 0 var(--section-spacing);
    }

    .hero-photo {
        width: 300px;
    }

    .hero-text h1 {
        font-size: var(--font-size-name-compact);
    }

}

@media (max-width: 900px) {
    #principal-investigator figure {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    #principal-investigator figcaption {
        grid-column: span 1;
    }

    #research-students {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    #conference-reviewing {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .page {
        width: calc(100% - 48px);
    }

    #hero {
        max-width: 440px;
        grid-template-columns: minmax(0, 1fr);
        gap: 32px;
        padding: 40px 0 var(--section-spacing);
    }

    .hero-photo {
        width: 280px;
        max-width: 100%;
    }

    .hero-text h1 {
        font-size: clamp(var(--font-size-name-min), 9vw, var(--font-size-name-compact));
    }

    .hero-text h1,
    .hero-title,
    .hero-affiliation {
        text-align: center;
    }
}

@media (max-width: 640px) {
    #research-students {
        grid-template-columns: minmax(0, 1fr);
    }

    #principal-investigator figure {
        grid-template-columns: minmax(0, 1fr);
        justify-items: center;
        gap: 16px;
    }

    #principal-investigator .team-photo {
        width: 100%;
        max-width: 100%;
    }

    #principal-investigator figcaption,
    #principal-investigator figcaption>p {
        text-align: center;
    }

    #conference-reviewing,
    #journal-reviewing {
        grid-template-columns: minmax(0, 1fr);
    }

    :root {
        --font-size-base: 1rem;
        --font-size-team-name: 1.625rem;
        --font-size-team-role: 1.125rem;
        --font-size-page-title: 2.75rem;
        --section-spacing: 28px;
        --recruitment-padding: 18px;
    }

    #navbar {
        padding: 12px 0;
    }

    #navigation {
        width: 100%;
    }

    #navigation summary {
        position: relative;
        display: block;
        list-style: none;
        width: fit-content;
        margin: 0 auto;
        padding: 10px 0 10px 30px;
    }

    #navigation summary::-webkit-details-marker {
        display: none;
    }

    #navigation summary::before,
    #navigation summary::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 0;
        width: 18px;
        height: 1px;
        background-color: currentColor;
        transition: transform 160ms ease-out;
    }

    #navigation summary::before {
        transform: translateY(-3px);
    }

    #navigation summary::after {
        transform: translateY(3px);
    }

    #navigation[open] summary::before {
        transform: rotate(45deg);
    }

    #navigation[open] summary::after {
        transform: rotate(-45deg);
    }

    nav {
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: 8px 0 0;
    }

    nav a {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 36px;
        width: fit-content;
        padding: 4px 16px;
    }

    nav a::after {
        top: 50%;
        bottom: auto;
        left: 0;
        border-width: 5px 0 5px 7px;
        border-color: transparent transparent transparent currentColor;
        transform: translate(-3px, -50%);
    }

    nav a:hover::after,
    nav a:focus-visible::after {
        transform: translate(0, -50%);
    }

    .news-group {
        grid-template-columns: minmax(0, 1fr);
        gap: 8px;
    }

    :is(#teaching, #services, #news, #publications, #team) {
        padding-top: 32px;
    }

    :is(#teaching, #services) li {
        flex-direction: column;
        gap: 0;
    }

    #publications dl {
        grid-template-columns: 42px minmax(0, 1fr);
        column-gap: 10px;
    }

}

@media (prefers-reduced-motion: reduce) {
    #loading-indicator::after {
        animation: none;
        transform: translateX(calc((var(--loading-track-width) - var(--loading-triangle-size) - 8px) / 2));
    }

    #navbar,
    #team .team-photo img,
    nav a,
    nav a::after,
    .page>div a[href],
    #navigation summary::before,
    #navigation summary::after {
        transition: none;
    }
}