:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-2: #eef3f9;
  --text: #1f2937;
  --muted: #617084;
  --accent: #0f4c81;
  --accent-2: #12395b;
  --border: #d8e0ea;
  --shadow: 0 18px 40px rgba(15, 40, 75, 0.08);
  --radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}
.narrow { width: min(820px, calc(100% - 2rem)); }

/* =========================
   MOBILE ONLY
   Desktop stays unchanged
========================= */

@media (max-width: 760px) {

  .container,
  .narrow {
    width: calc(100% - 1.5rem);
  }

  .nav-wrap {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  nav {
    flex-wrap: nowrap;
    white-space: nowrap;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .portrait-panel {
    max-width: 260px;
    margin: 0 auto;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .profile-links {
    justify-content: center;
    flex-wrap: wrap;
  }

  .quick-facts {
    text-align: left;
  }

  .cards.four-up,
  .cards.two-up,
  .publication-grid,
  .edu-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .featured-card-with-photo {
    grid-template-columns: 1fr;
  }

  .featured-photo-wrap {
    max-width: 280px;
    margin: 0 auto;
  }

  .section {
    padding: 2.5rem 0;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(247, 249, 252, 0.9);
  border-bottom: 1px solid rgba(216, 224, 234, 0.8);
}
.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 76px;
}
.brand {
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent-2);
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
nav a {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
}

.hero {
  padding: 4.5rem 0 1.2rem;
  background:
    radial-gradient(circle at top right, rgba(15, 76, 129, 0.12), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 2rem;
  align-items: center;
}
.portrait-panel,
.card,
.media-card,
.timeline-item,
.edu-grid article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.portrait-panel {
  padding: 1rem;
}
.portrait {
  width: 100%;
  border-radius: 16px;
  object-fit: cover;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
}
.hero h1 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.title {
  margin: 1rem 0 0.7rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-2);
}
.lead {
  font-size: 1.05rem;
  max-width: 72ch;
  color: #314154;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.5rem 0;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--accent-2);
  border-radius: 999px;
  padding: 0.82rem 1.15rem;
  font-weight: 700;
  text-decoration: none;
}
.button:hover { text-decoration: none; transform: translateY(-1px); }
.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  border-color: transparent;
}
.quick-facts {
  margin: 1.25rem 0 0;
  padding-left: 1.15rem;
  color: #304051;
}
.quick-facts li { margin: 0.45rem 0; }


/* Academic-style home profile */
.academic-hero {
  padding: 3.2rem 0 1.5rem;
  background: #ffffff;
}
.academic-profile {
  text-align: center;
  max-width: 760px;
}
.academic-photo {
  width: 132px;
  height: 132px;
  margin: 0 auto 1.25rem;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 50%;
  border: 1px solid var(--border);
  box-shadow: 0 10px 28px rgba(15, 40, 75, 0.10);
}
.academic-profile h1 {
  margin: 0 0 0.8rem;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 500;
  color: #111827;
}
.academic-role,
.academic-group,
.academic-institution {
  margin: 0.1rem 0;
  color: #111827;
}
.academic-role {
  font-size: 1.2rem;
  font-weight: 600;
}
.academic-group,
.academic-institution {
  font-size: 1.08rem;
}
.profile-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1.45rem;
}
.profile-link {
  display: inline-flex;
  text-decoration: none;
}
.profile-link:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.profile-icon-img {
  width: 48px;
  height: 48px;
  display: block;
  border-radius: 9px;
  box-shadow: 0 5px 14px rgba(15, 40, 75, 0.10);
}
.profile-icon {
  width: 46px;
  height: 46px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: 0 5px 14px rgba(15, 40, 75, 0.08);
}
.linkedin-icon {
  background: #0a66c2;
  color: #fff;
  font-size: 1.45rem;
  font-family: Arial, sans-serif;
}
.rg-icon {
  color: #0a8f75;
}
.mail-icon {
  color: #b42318;
  font-size: 1.3rem;
}

.scholar-icon {
  color: #1a73e8;
  font-size: 0.92rem;
  letter-spacing: -0.03em;
}
.bnl-icon {
  background: #12395b;
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}
.academic-about {
  padding: 2.6rem 0 3.2rem;
  background: #ffffff;
}
.academic-bio {
  width: min(980px, calc(100% - 2rem));
  font-size: 1.08rem;
  line-height: 1.58;
  color: #111827;
}
.academic-bio p {
  margin: 0 0 1.25rem;
}
.academic-bio p:last-child {
  margin-bottom: 0;
}

.section { padding: 4.2rem 0; }
.section.alt { background: var(--surface-2); }
.section-kicker {
  margin: 0 0 0.35rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-size: 0.8rem;
}
.section h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.muted { color: var(--muted); }
.center-note { text-align: center; margin-top: 1rem; }

.cards {
  display: grid;
  gap: 1.25rem;
}
.cards.four-up { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cards.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card {
  padding: 1.35rem;
}
.card h3 { margin-top: 0; margin-bottom: 0.55rem; }
.project-card p:last-child { margin-bottom: 0; }

.pub-list {
  margin: 0;
  padding-left: 1.4rem;
}
.pub-list li { margin-bottom: 1rem; }

.two-column-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}
.detail-list {
  margin: 0;
  padding-left: 1.15rem;
}
.detail-list li { margin: 0.55rem 0; }

.media-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 1.4rem;
  align-items: stretch;
}
.media-card {
  overflow: hidden;
}
.photo-card img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}
.photo-card figcaption {
  padding: 0.95rem 1rem 1.05rem;
  color: var(--muted);
  font-size: 0.96rem;
}
.media-copy {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.media-copy h3 { margin-top: 0; }




/* Featured news */
.featured-section {
  background: #ffffff;
  padding-top: 2.8rem;
  padding-bottom: 3.4rem;
}
.featured-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, #f7faff 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.7rem 1.8rem;
  max-width: 920px;
}
.featured-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--accent);
}
.featured-source {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 0.55rem;
}
.featured-card h3 {
  margin: 0 0 0.7rem;
  color: var(--accent-2);
  font-size: 1.35rem;
  line-height: 1.35;
}
.featured-card p {
  margin: 0 0 1rem;
  color: #45576d;
  max-width: 78ch;
}
.featured-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 800;
  text-decoration: none;
}
.featured-link:hover {
  text-decoration: underline;
}


/* Publications */
.publication-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
  margin-top: 1.7rem;
}
.publication-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.55rem;
  min-height: 330px;
  display: flex;
  flex-direction: column;
}
.publication-meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.25rem;
}
.publication-venue {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.055em;
  font-size: 0.75rem;
  line-height: 1.35;
  font-weight: 800;
}
.publication-card h3 {
  margin: 0 0 1.1rem;
  font-size: 1.14rem;
  line-height: 1.42;
  color: var(--accent-2);
}
.publication-authors {
  margin: 0 0 1rem;
  color: #45576d;
}
.publication-details {
  margin-top: auto;
  padding-top: 1rem;
  color: var(--muted);
}
.conference-block {
  margin-top: 3rem;
  padding-top: 2.3rem;
  border-top: 1px solid var(--border);
}
.conference-block h2 {
  margin-bottom: 0.25rem;
}
.conference-subtitle {
  margin: 0 0 1.6rem;
  color: var(--muted);
}
.conference-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.conference-list li {
  position: relative;
  padding: 0 0 1.15rem 1.4rem;
  color: #53657a;
  line-height: 1.7;
}
.conference-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.conference-list li > strong {
  color: var(--text);
}
.conference-list li span strong {
  color: var(--text);
}

.timeline {
  display: grid;
  gap: 1rem;
}
.timeline-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.2rem;
  padding: 1.2rem 1.3rem;
}
.when {
  font-weight: 800;
  color: var(--accent-2);
}
.org {
  font-weight: 700;
  color: var(--muted);
  margin-top: -0.2rem;
}

.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.edu-grid article {
  padding: 1.3rem;
}
.edu-grid h3,
.timeline-item h3 { margin-top: 0; margin-bottom: 0.35rem; }

.contact {
  text-align: center;
}
.email {
  font-size: 1.25rem;
  font-weight: 800;
}
.social-links {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  text-decoration: none;
  font-weight: 700;
}

footer {
  padding: 1.6rem 0 2.2rem;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 980px) {
  .publication-grid { grid-template-columns: 1fr 1fr; }
  .hero-grid,
  .media-grid,
  .two-column-list,
  .cards.four-up,
  .cards.two-up,
  .edu-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-grid { grid-template-columns: 300px 1fr; }
}

@media (max-width: 760px) {

  .academic-hero { padding: 2.5rem 0 1.2rem; }
  .academic-photo { width: 112px; height: 112px; }
  .academic-profile h1 { font-size: 2.5rem; }
  .academic-role { font-size: 1.08rem; }
  .academic-group, .academic-institution { font-size: 1rem; }
  .academic-about { padding: 1.8rem 0 2.5rem; }
  .academic-bio { font-size: 1rem; }

  .publication-grid { grid-template-columns: 1fr; }
  .publication-card { min-height: auto; }
  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.8rem 0;
  }
  nav { gap: 0.75rem; }
  .hero-grid,
  .media-grid,
  .two-column-list,
  .cards.four-up,
  .cards.two-up,
  .edu-grid,
  .timeline-item {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 3.2rem 0 1rem;
  }
  #about.section { padding-top: 1.25rem; }
  .portrait-panel {
    max-width: 360px;
  }
  .timeline-item { gap: 0.6rem; }
}



/* Keep the BNL mark the same outer size as the LinkedIn icon without distortion. */
.bnl-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  padding: 2px;
  background: #fff;
}

/* Gmail icon: same outer size as the other profile icons. */
.gmail-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  background: #fff;
}

/* Final side-by-side homepage hero */
.hero {
  padding: 3.2rem 0 1.5rem;
  background:
    radial-gradient(circle at top right, rgba(15, 76, 129, 0.09), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
}
.portrait-panel {
  padding: 0.8rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.portrait {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 18%;
  border-radius: 13px;
}
.hero-copy .eyebrow {
  margin-top: 0;
}
.hero-copy h1 {
  font-size: clamp(2.4rem, 5vw, 3.5rem);
}
.compact-links {
  justify-content: flex-start;
  gap: 0.7rem;
  margin-top: 1.1rem;
}
.compact-links .profile-icon-img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}
.quick-facts {
  margin-top: 1.2rem;
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .portrait-panel {
    width: min(320px, 100%);
  }
  .compact-links {
    justify-content: flex-start;
  }
}

/* Featured MSU graduation photo */
.featured-card-with-photo {
  max-width: 1000px;
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.25fr);
  gap: 1.6rem;
  align-items: center;
  padding: 0;
}
.featured-photo-wrap {
  height: 100%;
  min-height: 300px;
  overflow: hidden;
  border-radius: var(--radius) 0 0 var(--radius);
}
.featured-photo {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  object-position: center center;
}
.featured-content {
  padding: 1.7rem 1.8rem 1.7rem 0;
}
.featured-card-with-photo::before {
  display: none;
}
@media (max-width: 760px) {
  .featured-card-with-photo {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .featured-photo-wrap {
    min-height: 0;
    height: auto;
    border-radius: var(--radius) var(--radius) 0 0;
  }
  .featured-photo {
    min-height: 0;
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
  }
  .featured-content {
    padding: 1.4rem 1.5rem 1.6rem;
  }
}