@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap");
:root {
  --text: #20252b;
  --muted: #5e6873;
  --accent: #405e76;
  --border: #d9dee3;
  --background: #ffffff;
  --light-background: #f5f7f8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

.container {
  width: min(100% - 40px, 1000px);
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--background);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  min-height: 82px;
}

.site-name {
  color: var(--text);
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

nav a {
  color: var(--muted);
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
  text-decoration: none;
}

nav a:hover,
nav a:focus {
  color: var(--accent);
  text-decoration: underline;
}

.hero {
  max-width: 800px;
  padding-top: 90px;
  padding-bottom: 100px;
}

.research-label {
  margin-bottom: 20px;
  color: var(--accent);
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  line-height: 1.2;
}

h1 {
  margin: 0 0 15px;
  font-size: clamp(2.5rem, 7vw, 4.7rem);
  letter-spacing: -0.04em;
}

h2 {
  margin-top: 45px;
  font-size: 1.6rem;
}

.position {
  color: var(--muted);
  font-size: 1.25rem;
}

.introduction,
.page-introduction {
  max-width: 720px;
  font-size: 1.15rem;
}

.page-content {
  max-width: 800px;
  min-height: 70vh;
  padding-top: 60px;
  padding-bottom: 80px;
}

.home-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 35px;
}

.button {
  display: inline-block;
  padding: 10px 18px;
  color: white;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 4px;
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
  text-decoration: none;
}

.button.secondary {
  color: var(--accent);
  background: white;
}

a {
  color: var(--accent);
}

footer {
  padding: 30px 0;
  color: var(--muted);
  background: var(--light-background);
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

@media (max-width: 750px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-top: 20px;
    padding-bottom: 20px;
  }

  nav {
    gap: 12px 18px;
  }

  .hero {
    padding-top: 55px;
    padding-bottom: 65px;
  }
}
.research-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 45px;
}

.research-card {
  display: block;
  padding: 28px;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
}

.research-card:hover,
.research-card:focus {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.research-card h2 {
  margin-top: 5px;
  margin-bottom: 15px;
}

.research-card span {
  color: var(--accent);
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
}

.card-label {
  margin: 0;
  color: var(--muted);
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.research-entry {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}

.research-entry h3 {
  margin-top: 0;
  margin-bottom: 6px;
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  font-size: 1.15rem;
}

.entry-status {
  margin-top: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 700px) {
  .research-grid {
    grid-template-columns: 1fr;
  }
}
/* Minimal homepage */

body.home-page {
  display: block;
  margin: 0;
  color: #292929;
  background: #ffffff;
  font-family: "Poppins", Arial, Helvetica, sans-serif;
}

.home-page main {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

/* Collapsible menu */

.home-menu {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 10;
  text-align: right;
}

.home-menu summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.home-menu summary::-webkit-details-marker {
  display: none;
}

.home-menu summary::after {
  content: " ☰";
  margin-left: 0.4rem;
  font-size: 1rem;
}

.home-menu[open] summary::after {
  content: " ×";
}

.home-menu nav {
  position: absolute;
  right: 0;
  display: grid;
  min-width: 150px;
  gap: 0.75rem;
  margin-top: 1rem;
  padding: 1.25rem 1.5rem;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.home-menu nav a {
  color: #292929;
  text-decoration: none;
}

.home-menu nav a:hover,
.home-menu nav a:focus {
  color: #777777;
  text-decoration: none;
}

/* Full-screen opening */

.home-hero {
  position: relative;
  display: flex;
  min-height: 100vh;
  min-height: 100svh;
  padding: 2rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.home-hero h1 {
  margin: 0;
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  font-size: clamp(2.6rem, 6vw, 5.5rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1.1;
}

.home-position {
  margin: 1rem 0 0;
  color: #444444;
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.home-caption {
  margin: 0.5rem 0 0;
  color: #777777;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.scroll-cue {
  position: absolute;
  bottom: 2rem;
  color: #777777;
  font-size: 1.5rem;
  text-decoration: none;
}

/* Page tiles */

.home-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.home-card {
  position: relative;
  display: flex;
  min-height: 45vh;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: #ffffff;
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  text-decoration: none;
}

.home-card::before {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(0, 0, 0, 0.14);
  transition: background 0.2s ease;
}

.home-card:hover::before,
.home-card:focus::before {
  background: rgba(0, 0, 0, 0.27);
}

.home-card span {
  position: relative;
  z-index: 1;
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-card-about {
  background-color:  #ffffff;
  background-image: url("about.png");
  background-position: center 25%;
}

.home-card-research {
  background-color:  #ffffff;
  background-image: url("tree.jpg");
  background-position: center;
}

.home-card-teaching {
  background-color: #ffffff;
  background-image: url("IMG_3446.JPG");
  background-position: center;
}

.home-card-cv {
  background-color: #ffffff;
  background-image: url("cv2.png");
  background-position: center;
  background-size: 70% auto;
  background-repeat: no-repeat;
}

/* Homepage footer */

.home-page .home-footer {
  padding: 1.5rem;
  color: #777777;
  background: #ffffff;
  border-top: 0;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-align: center;
}

.home-page .home-footer a {
  color: inherit;
}

/* Mobile homepage */

@media (max-width: 700px) {
  .home-menu {
    top: 1.25rem;
    right: 1.25rem;
  }



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

  .home-card {
    min-height: 38vh;
  }

  .home-hero h1 {
    font-size: clamp(2.25rem, 12vw, 3.5rem);
  }
}
.about-page-photo {
  float: none;
  display: block;
  width: min(100%, 600px);
  height: auto;
  margin: 1.5rem 0 3.5rem;
}

@media (max-width: 700px) {
  .about-page-photo {
    width: 100%;
    margin: 1rem 0 2.5rem;
  }
}
.wrap-photo {
  width: min(28%, 220px);
  height: auto;
}

.wrap-photo-left {
  float: left;
  margin: 0.4rem 2rem 1.5rem 0;
}

.wrap-photo-right {
  float: right;
  width: min(48%, 360px);
  margin: 0.4rem 0 1.5rem 2rem;
}

.clear-float {
  clear: both;
}

@media (max-width: 700px) {
  .wrap-photo {
    float: none;
    display: block;
    width: min(100%, 280px);
    margin: 1.5rem auto;
  }
}
/* Research landing page */

.research-page {
  max-width: 1000px;
  padding-top: 3rem;
  padding-bottom: 5rem;
}

/* Main Research image */

.research-hero {
  position: relative;
  display: flex;
  min-height: 300px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: #59625d;
  background-image: url("IMG_7077.JPG");
  background-position: center;
  background-size: cover;
}

.research-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(0, 0, 0, 0.25);
}

.research-hero h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #ffffff;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  letter-spacing: 0.06em;
}

/* Syntax and Morphology images */

.research-image-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.research-image-card {
  position: relative;
  display: flex;
  min-height: 300px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-position: center;
  background-size: cover;
  color: #ffffff;
  text-decoration: none;
}

.syntax-card {
  background-image: url("IMG_7835.JPG");
}

.morphology-card {
  background-image: url("E5D88C52-EFD0-401A-88DD-874573B42E87.JPG");
}

.research-image-card::before {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(0, 0, 0, 0);
  transition: background 0.3s ease;
}

.research-image-card span {
  position: relative;
  z-index: 1;
  opacity: 0;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.research-image-card:hover::before,
.research-image-card:focus::before {
  background: rgba(0, 0, 0, 0.4);
}

.research-image-card:hover span,
.research-image-card:focus span {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile */

@media (max-width: 700px) {
  .research-hero {
    min-height: 280px;
  }

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

  .research-image-card {
    min-height: 320px;
  }

  .research-image-card::before {
    background: rgba(0, 0, 0, 0.3);
  }

  .research-image-card span {
    opacity: 1;
    transform: none;
  }
}
.research-hero.syntax-hero {
  min-height: 280px;
  margin-bottom: 3rem;
  background-image: url("falltrees.jpg");
  background-position: center;
  background-size: cover;
}
.research-hero.morphology-hero {
  min-height: 280px;
  margin-bottom: 3rem;
  background-image: url("IMG_2001.jpg");
  background-position: center;
  background-size: cover;
}
.photo-credit {
  margin: 0.4rem 0 0;
  color: #999999;
  font-size: 0.7rem;
  letter-spacing: 0.03em;
}
.teaching-page h2 {
  font-size: inherit;
  font-weight: 600;
}
.teaching-page .course-info {
  margin: 0;
  line-height: 1.45;
}

.teaching-page .course-description {
  font-size: 0.7em;
  margin: 0.2rem 0 0.8rem;
  line-height: 1.45;
}
.research-hero.teaching-hero {
  background-image: url("whiteboard.jpg");
  min-height: 280px;
  margin-bottom: 3rem;
}
.gloss-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
}

.gloss-word {
  display: grid;
  white-space: nowrap;
}

.gloss-word > span:first-child {
  font-style: italic;
}

.gloss-word > span:last-child {
  font-size: 0.875em;
}

.gloss-translation {
  margin-top: 0.4rem;
}
.numbered-example {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  column-gap: 0.75rem;
  align-items: start;
}