:root {
  --accent: rgb(170, 121, 66);
  --ink: #000;
  --muted: #646464;
  --paper: #fff;
  --link-seen: #0000c8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Nunito", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

/* Text links: bold normally, ochre rectangle on hover or keyboard focus */

a {
  color: var(--link-seen);
  font-weight: 700;
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: #fff;
  background-color: var(--accent);
  text-decoration: none;
  outline: none;
}

.site-shell {
  position: relative;
  width: 95%;
  margin: 10px auto;
  padding: 10px;
}

/* Header */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.brand {
  flex-shrink: 0;
  color: var(--ink);
  font-family: "Nunito", Arial, sans-serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.brand:hover,
.brand:focus,
.brand:focus-visible {
  color: var(--ink);
  background-color: transparent;
  text-decoration: none;
}

.header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.inria-mark {
  display: block;
  margin-bottom: 0.75rem;
  background-color: transparent;
  text-decoration: none;
}

.inria-mark:hover,
.inria-mark:focus,
.inria-mark:focus-visible {
  background-color: transparent;
}

.inria-mark img {
  display: block;
  width: 240px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.3rem;
  white-space: nowrap;
  font-family: "Nunito", Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.site-nav a {
  color: var(--link-seen);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus,
.site-nav a:focus-visible {
  color: #fff;
  background-color: var(--accent);
  text-decoration: none;
}

.site-nav a.active {
  color: var(--ink);
  text-decoration: none;
}

.site-nav a.active:hover,
.site-nav a.active:focus,
.site-nav a.active:focus-visible {
  color: #fff;
  background-color: var(--accent);
}

.site-nav .icon-link,
.site-nav .icon-link:hover,
.site-nav .icon-link:focus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.site-nav .icon-link:hover,
.site-nav .icon-link:focus,
.site-nav .icon-link:focus-visible {
  background-color: transparent;
}

.site-nav .icon-link img {
  display: block;
  width: 20px;
  height: 20px;
  object-fit: contain;
}

/* Main content */

ul {
  padding-left: 2rem;
}

li {
  margin-bottom: 1rem;
}

.section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.5rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.section-nav a:not(:last-child)::after {
  content: " \00b7";
  margin-left: 0.5rem;
  color: inherit;
  background: transparent;
}

.intro {
  max-width: 1120px;
}

.profile-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 2.5rem;
}

.profile-photo {
  width: 135px;
  height: auto;
  object-fit: cover;
  object-position: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: max-content minmax(0, max-content);
  gap: 0.15rem 0.75rem;
  margin: 0;
}

.contact-grid dt {
  font-weight: 700;
}

.contact-grid dd {
  margin: 0;
  color: var(--accent);
}

.email-image {
  width: 145px;
  height: 20px;
  object-fit: contain;
}

.anchor {
  scroll-margin-top: 1rem;
}

.page-content img[alt="DOI"],
.page-content img[alt="HAL"] {
  width: 28px !important;
  height: 28px !important;
  vertical-align: middle;
}

.page-content img[alt="bioRxiv"] {
  width: 48px !important;
  height: auto !important;
  vertical-align: middle;
}

.page-content img[alt="PsyArxiv"] {
  width: 74px !important;
  height: auto !important;
  vertical-align: middle;
}

.back-to-top {
  color: var(--muted);
  font-weight: 700;
}

/* Small screens */

@media (max-width: 680px) {
  .site-shell {
    width: 100%;
    margin: 0;
    padding: 0.75rem;
  }

  .site-header {
    flex-direction: column;
    gap: 1.25rem;
    padding: 0.35rem 0;
    min-height: 0;
  }

  .brand {
    max-width: none;
    font-size: 1.65rem;
  }

  .header-right {
    width: 100%;
    align-items: flex-start;
  }

  .inria-mark {
    margin-bottom: 0.75rem;
  }

  .inria-mark img {
    width: 170px;
  }

  .site-nav {
    justify-content: flex-start;
    flex-wrap: wrap;
    white-space: normal;
  }

  .page-content {
    padding: 0 0 2rem;
  }

  .profile-card {
    flex-direction: column;
  }

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

  .contact-grid dd {
    margin-bottom: 0.5rem;
  }

  p {
    text-align: left;
  }
}