/* =========================================================
   Language, Learning & Cognition Lab
   Site styles
   ========================================================= */


/* =========================================================
   COLOR PALETTE
   ========================================================= */

:root {
  --navy: #102b63;
  --text: #36465d;
  --muted: #667085;

  --line: #e7ebf1;
  --soft-line: #eef1f5;

  --page: #f8fafc;
  --white: #ffffff;

  --link: #376fc4;
  --link-hover: #102b63;

  --teal: #10cbb6;
  --blue: #2797ed;
  --purple: #7357de;
  --pink: #ef4e8b;
  --gold: #f5b82c;
}


/* =========================================================
   BASIC PAGE STYLING
   ========================================================= */

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
}


/* =========================================================
   NAVIGATION
   ========================================================= */

.navbar {
  background: rgba(255, 255, 255, 0.98) !important;
  border-bottom: 1px solid var(--line);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}

.navbar .container-fluid {
  max-width: 1320px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.navbar-brand {
  color: var(--navy) !important;
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.navbar-nav .nav-link {
  color: var(--navy) !important;
  font-weight: 550;
  margin-left: 0.7rem;
  padding-left: 0.45rem !important;
  padding-right: 0.45rem !important;
}

.navbar-nav .nav-link:hover {
  color: var(--link) !important;
}

.navbar-nav .nav-link.active {
  color: var(--navy) !important;
  border-bottom: 2px solid var(--teal);
}


/* =========================================================
   HOMEPAGE
   ========================================================= */

.home-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 3rem;
}


/* ---------- Homepage panels ---------- */

.welcome-panel,
.pathways-panel {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 6px solid var(--teal);
  border-right: 6px solid var(--teal);
  border-radius: 20px;
}


/* ---------- Welcome panel ---------- */

.welcome-panel {
  padding: 1.6rem 3rem 1.9rem;
  text-align: center;
}

.home-logo {
  max-width: 265px;
  margin: 0 auto 1rem;
}

.home-logo img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.welcome-panel h3 {
  margin: 0 0 1.15rem;
  color: var(--navy);
  font-size: clamp(1.45rem, 2vw, 1.85rem);
  line-height: 1.3;
  font-weight: 650;
}

.welcome-panel > p {
  max-width: 890px;
  margin: 0 auto;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.65;
  text-align: center;
}


/* ---------- Pathways panel ---------- */

.pathways-panel {
  margin-top: 2rem;
  padding: 1rem 3rem;
}

.pathways-panel p {
  max-width: 930px;
  margin: 0 auto;
  padding: 0.75rem 0;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.6;
}

.pathways-panel p + p {
  border-top: 1px solid var(--soft-line);
}


/* =========================================================
   PEOPLE PAGE
   ========================================================= */

.people-page {
  max-width: 1060px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 4rem;
}


/* ---------- Section headings ---------- */

.people-page > h2 {
  color: var(--navy);
  font-size: 1.7rem;
  font-weight: 650;
  margin: 3.5rem 0 1.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}


/* ---------- Individual people ---------- */

.person-card {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 2.75rem;
  align-items: start;
  margin-bottom: 3.5rem;
}

.pi-card {
  margin-top: 0;
  margin-bottom: 4rem;
}


/* ---------- Photos ---------- */

.person-photo {
  margin: 0;
  padding: 0;
}

.person-photo img {
  display: block;
  width: 250px;
  height: 250px;
  object-fit: cover;
  object-position: center;
  border-radius: 50%;
  margin: 0;
}


/* ---------- Person text ---------- */

.person-info {
  margin: 0;
  padding: 0;
}

.person-info h3 {
  color: var(--navy);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.2rem;
}

.pronouns {
  display: block;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.person-info p {
  margin: 0 0 1rem;
  line-height: 1.6;
}


/* ---------- Academic/profile links ---------- */

.person-links {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.35rem;
}

.person-links a {
  line-height: 1;
}

.person-links i {
  font-size: 1.15rem;
  vertical-align: middle;
}

.link-divider {
  color: #a6adb8;
  font-weight: 400;
}


/* =========================================================
   JOIN THE LAB PAGE
   ========================================================= */

.join-page {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
}

.join-accordion {
  margin-bottom: 1.5rem;
  border: 1px solid var(--line);
  border-left: 6px solid var(--teal);
  border-radius: 16px;
  background: var(--white);
  overflow: hidden;
}

.join-accordion summary {
  cursor: pointer;
  list-style: none;
  position: relative;

  padding: 1.35rem 1.5rem;

  color: var(--navy);
  font-size: 1.25rem;
  font-weight: 650;
}

.join-accordion summary::-webkit-details-marker {
  display: none;
}

.join-accordion summary::after {
  content: "+";
  position: absolute;
  right: 1.5rem;
  top: 50%;

  transform: translateY(-50%);

  color: var(--blue);
  font-size: 1.5rem;
  font-weight: 500;
}

.join-accordion[open] summary::after {
  content: "–";
}

.join-accordion[open] summary {
  border-bottom: 1px solid var(--line);
}

.join-content {
  padding: 1.5rem 1.75rem 1.75rem;
}

.join-content h3 {
  color: var(--navy);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.join-content p,
.join-content li {
  line-height: 1.65;
}


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

.publications-page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
}

.publications-page > h1 {
  color: var(--navy);
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

.publication-note {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
}

.publications-page > h2 {
  color: var(--navy);
  font-size: 1.5rem;
  font-weight: 650;

  margin: 3rem 0 1.4rem;
  padding-bottom: 0.5rem;

  border-bottom: 1px solid var(--line);
}

.publications-page p {
  margin: 0 0 1.15rem;
  line-height: 1.6;
}


/* ---------- Publication resource links ---------- */

.publications-page p a {
  display: inline-block;
  margin-left: 0.2rem;
  padding: 0.08rem 0.42rem;

  color: var(--link);
  background: #f7f9fc;
  border: 1px solid #dfe6ef;
  border-radius: 5px;

  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.publications-page p a:hover {
  color: var(--navy);
  background: #f0f5fa;
  border-color: #bfcddd;
}


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

.research-page {
  max-width: 1060px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 4rem;
}


/* ---------- Research topics ---------- */

.research-topic {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 3.5rem;
  align-items: center;

  padding: 2.75rem 0;
  border-bottom: 1px solid var(--line);
}

.research-topic:first-child {
  padding-top: 1rem;
}

.research-topic:last-child {
  border-bottom: none;
}


/* ---------- Research text ---------- */

.research-copy h2 {
  color: var(--navy);
  font-size: 1.65rem;
  font-weight: 650;
  line-height: 1.25;
  margin: 0 0 1rem;
}

.research-copy p {
  margin: 0;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.7;
}


/* ---------- Research images ---------- */

.research-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.research-image img {
  display: block;
  width: 250px;
  height: 250px;

  object-fit: cover;
  object-position: center;

  border-radius: 50%;
  margin: 0;
}


/* =========================================================
   SHARED STANDARD LINKS
   ========================================================= */

.pathways-panel a,
.person-links a,
.join-content a {
  color: var(--link);
  font-weight: 600;
  text-decoration: none;
}

.pathways-panel a:hover,
.person-links a:hover,
.join-content a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}


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

.nav-footer {
  background: var(--white);
  border-top: 1px solid var(--line);

  color: #59677a;
  font-size: 0.9rem;

  padding-top: 1.6rem;
  padding-bottom: 1.6rem;
}

.nav-footer strong {
  color: var(--navy);
}


/* =========================================================
   RESPONSIVE: SMALL LAPTOPS / TABLETS
   ========================================================= */

@media (max-width: 900px) {

  .home-shell {
    padding: 1rem 1.25rem 2.5rem;
  }

  .welcome-panel {
    padding: 1.5rem 2rem 1.75rem;
  }

  .pathways-panel {
    padding: 0.9rem 2rem;
  }

  .home-logo {
    max-width: 245px;
  }

}


/* =========================================================
   RESPONSIVE: TABLETS
   ========================================================= */

@media (max-width: 800px) {

  /* People */

  .people-page {
    padding: 1.5rem 1.25rem 3rem;
  }

  .person-card {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 1.75rem;
  }

  .person-photo img {
    width: 190px;
    height: 190px;
  }


  /* Research */

  .research-topic {
    grid-template-columns: minmax(0, 1fr) 190px;
    gap: 2rem;
  }

  .research-image img {
    width: 190px;
    height: 190px;
  }

}


/* =========================================================
   RESPONSIVE: PHONES
   ========================================================= */

@media (max-width: 600px) {

  /* Navigation */

  .navbar .container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
  }


  /* Homepage */

  .home-shell {
    padding: 0.75rem 0.8rem 2rem;
  }

  .welcome-panel,
  .pathways-panel {
    border-left-width: 4px;
    border-right-width: 4px;
    border-radius: 15px;
  }

  .welcome-panel {
    padding: 1.25rem 1.25rem 1.5rem;
  }

  .pathways-panel {
    margin-top: 1.25rem;
    padding: 0.7rem 1.25rem;
  }

  .home-logo {
    max-width: 210px;
    margin-bottom: 0.85rem;
  }

  .welcome-panel h3 {
    margin-bottom: 0.9rem;
    font-size: 1.35rem;
  }

  .welcome-panel > p,
  .pathways-panel p {
    font-size: 1rem;
  }

  .pathways-panel p {
    padding: 0.65rem 0;
  }


  /* Join the Lab */

  .join-page {
    padding: 1rem 0.8rem 2.5rem;
  }

  .join-accordion {
    border-left-width: 4px;
    border-radius: 14px;
  }

  .join-accordion summary {
    padding: 1.1rem 3.2rem 1.1rem 1.25rem;
    font-size: 1.1rem;
  }

  .join-content {
    padding: 1.25rem;
  }


  /* Publications */

  .publications-page {
    padding: 1rem 1rem 2.5rem;
  }

  .publications-page > h1 {
    font-size: 1.75rem;
  }

  .publications-page > h2 {
    font-size: 1.3rem;
    margin-top: 2.5rem;
  }


  /* Research */

  .research-page {
    padding: 1rem 1rem 2.5rem;
  }

  .research-topic {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 0;
  }

  .research-image {
    justify-content: flex-start;
  }

  .research-image img {
    width: 200px;
    height: 200px;
  }

  .research-copy h2 {
    font-size: 1.4rem;
  }

  .research-copy p {
    font-size: 1rem;
  }

}


/* =========================================================
   RESPONSIVE: SMALL PHONES
   ========================================================= */

@media (max-width: 575px) {

  .people-page {
    padding: 1.25rem 1rem 2.5rem;
  }

  .person-card {
    grid-template-columns: 1fr;
    gap: 1.1rem;
    margin-bottom: 2.75rem;
  }

  .person-photo img {
    width: 220px;
    height: 220px;
  }

  .people-page > h2 {
    margin-top: 2.75rem;
  }

}