body {
  background:
    linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  color: #1f2937;
}

.navbar {
  background: linear-gradient(90deg, #0f766e 0%, #0ea5a4 100%) !important;
  box-shadow: 0 8px 24px rgba(15, 118, 110, 0.18);
}

.navbar-brand,
.navbar .nav-link,
.navbar .dropdown-toggle,
.navbar .dropdown-item {
  font-weight: 600;
}

.homepage .col-md-3 {
  display: none;
}

.homepage .col-md-9 {
  flex: 0 0 100%;
  max-width: 100%;
}

.homepage .container {
  max-width: 1080px;
}

.homepage [role="main"] {
  margin-top: 22px;
  padding: 40px 48px 56px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.07);
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

.homepage h1,
.homepage h2,
.homepage h3 {
  color: #111827;
}

.homepage h1 {
  margin-top: 0;
  font-size: 2.8rem;
  letter-spacing: -0.03em;
}

.home-header {
  margin: 0 auto 1.6rem;
  text-align: center;
}

.home-header h1 {
  margin-bottom: 0.45rem;
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.05;
}

.home-header .subtitle {
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
  font-weight: 600;
  color: #0f172a;
}

.home-header .affiliation {
  margin: 0 0 0.9rem;
  font-size: 1.08rem;
  color: #4b5563;
}

.home-header .links {
  margin: 0;
  font-size: 0.98rem;
  color: #6b7280;
}

.home-header .links a {
  color: #0f766e;
  font-weight: 600;
}

.home-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 0 auto 1rem;
  max-width: 920px;
}

.home-hero .home-copy {
  flex: 1 1 auto;
  min-width: 0;
}

.home-hero .home-copy p {
  margin-top: 0;
  margin-bottom: 0;
  font-size: 1.08rem;
  line-height: 1.85;
  text-align: left;
  color: #374151;
}

.home-hero .home-photo {
  flex: 0 0 132px;
  text-align: right;
}

.home-hero .home-photo img {
  width: 132px;
  border: 1px solid #dbe2ea;
  padding: 4px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.homepage hr {
  margin: 2rem 0 1.6rem;
  border-top: 1px solid rgba(15, 23, 42, 0.12);
}

.homepage h2 {
  margin-top: 1.8rem;
  margin-bottom: 0.9rem;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.homepage h3 {
  margin-top: 1.2rem;
  margin-bottom: 0.65rem;
  font-size: 1.25rem;
}

.homepage p,
.homepage li {
  font-size: 1rem;
  line-height: 1.8;
  color: #374151;
}

.homepage ul,
.homepage ol {
  padding-left: 1.35rem;
}

.homepage li + li {
  margin-top: 0.35rem;
}

.homepage strong {
  color: #111827;
}

.homepage .nav-link[rel="prev"],
.homepage .nav-link[rel="next"] {
  display: none;
}

@media (max-width: 900px) {
  .homepage [role="main"] {
    padding: 28px 22px 40px;
    border-radius: 18px;
  }

  .home-header h1 {
    font-size: 2.35rem;
  }

  .home-hero {
    flex-direction: column;
    align-items: flex-start;
    max-width: 760px;
  }

  .home-hero .home-photo {
    width: 100%;
    text-align: center;
  }
}