body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background-color: #f4f7fa;
  color: #333;
}
header {
  background: linear-gradient(135deg, #1a365d 60%, #274e85 100%);
  color: white;
  padding: 3rem 1rem 2rem 1rem;
  text-align: center;
  position: relative;
}
.hero-container {
  background: rgba(255,255,255,0.05);
  border-radius: 1.5rem;
  box-shadow: 0 4px 24px rgba(26,54,93,0.12);
  display: inline-block;
  padding: 2rem 2.5rem 2.5rem 2.5rem;
  margin: 0 auto;
  max-width: 500px;
}
header img {
  max-width: 160px;
  margin-bottom: 1.5rem;
}
header h1, .hero-container h1 {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 0.7rem;
  text-shadow: 0 2px 12px rgba(26,54,93,0.18);
  color: #f4f7fa;
}
header p {
  font-size: 1.15rem;
  margin-bottom: 0;
  color: #e2e8f0;
}
.section {
  background: #fff;
  border-radius: 1.25rem;
  box-shadow: 0 2px 16px rgba(26,54,93,0.08);
  padding: 2rem 1rem;
  max-width: 800px;
  margin: 2rem auto;
  transition: box-shadow 0.2s, transform 0.2s;
}
.section:hover {
  box-shadow: 0 6px 32px rgba(26,54,93,0.16);
  transform: translateY(-4px) scale(1.01);
}
.section h2, .cohort-section h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 1.1rem;
  color: #3b6cb7;
  text-shadow: 0 1px 6px rgba(26,54,93,0.10);
}
h1, h2 {
  color: #1a365d;
}
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
input, textarea, button {
  padding: 0.75rem;
  font-size: 1rem;
}
button {
  background-color: #1a365d;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}
button:hover {
  background-color: #274e85;
  box-shadow: 0 2px 8px rgba(26,54,93,0.12);
  transform: translateY(-2px) scale(1.03);
}
ul li {
  transition: background 0.2s, color 0.2s, padding-left 0.2s;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
}
ul li:hover {
  background: #e2e8f0;
  color: #1a365d;
  padding-left: 1.25rem;
}
footer {
  text-align: center;
  padding: 1rem;
  background-color: #e2e8f0;
  font-size: 0.9rem;
}
.about-link {
  display: inline-block;
  margin-top: 1.2rem;
  padding: 0.7rem 1.5rem;
  background: #fff;
  color: #1a365d;
  border-radius: 2rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(26,54,93,0.10);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.about-link:hover {
  background: #e2e8f0;
  color: #274e85;
  box-shadow: 0 4px 16px rgba(26,54,93,0.16);
  transform: translateY(-2px) scale(1.04);
}
.about-headshot {
  display: block;
  margin: 0 auto 1.5rem auto;
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid #e2e8f0;
  box-shadow: 0 4px 24px rgba(26,54,93,0.12);
  background: #fff;
}
.about-linkedin {
  display: block;
  width: fit-content;
  margin: 0 auto 1.5rem auto;
  padding: 0.6rem 1.3rem;
  background: #0a66c2;
  color: #fff;
  border-radius: 2rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(10,102,194,0.10);
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}
.about-linkedin:hover {
  background: #004182;
  box-shadow: 0 4px 16px rgba(10,102,194,0.16);
  transform: translateY(-2px) scale(1.04);
}
.cohort-section {
  margin-top: 2.5rem;
}
.cohort-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin-top: 1.5rem;
}
.cohort-card {
  background: #fff;
  border-radius: 1.25rem;
  box-shadow: 0 2px 16px rgba(26,54,93,0.10);
  padding: 1.5rem 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 220px;
  min-width: 180px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.cohort-card:hover {
  box-shadow: 0 6px 32px rgba(26,54,93,0.16);
  transform: translateY(-4px) scale(1.03);
}
.cohort-headshot {
  width: 90px;
  height: 90px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(26,54,93,0.10);
  margin-bottom: 1rem;
  background: #fff;
}
.cohort-info h3 {
  margin: 0.2rem 0 0.4rem 0;
  font-size: 1.1rem;
  color: #1a365d;
}
.cohort-info p {
  margin: 0;
  font-size: 0.98rem;
  color: #333;
  text-align: center;
}
.hidden {
  position: absolute !important;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-top: 1.2rem;
}
.section-divider {
  border: none;
  border-top: 2px solid #e2e8f0;
  margin: 2.5rem 0 2.5rem 0;
}
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
}
.project-card {
  background: #fff;
  border-radius: 1.25rem;
  box-shadow: 0 2px 16px rgba(26,54,93,0.10);
  padding: 2rem 1.5rem;
  max-width: 900px;
  width: 100%;
  transition: box-shadow 0.2s, transform 0.2s;
}
.project-card:hover {
  box-shadow: 0 6px 32px rgba(26,54,93,0.16);
  transform: translateY(-4px) scale(1.01);
}
.project-img {
  max-width: 400px;
  width: 100%;
  border: 1px solid #ccc;
  border-radius: 0.7rem;
  margin-bottom: 1em;
  display: block;
  margin-left: auto;
  margin-right: auto;
}
.img-caption {
  text-align: center;
  font-size: 0.98rem;
  color: #555;
  margin-top: -0.7em;
  margin-bottom: 1.2em;
}
@media (max-width: 700px) {
  .project-card {
    padding: 1.2rem 0.5rem;
  }
  .project-img {
    max-width: 98vw;
  }
}
@media (max-width: 600px) {
  .hero-container {
    padding: 1.2rem 0.5rem 1.5rem 0.5rem;
    max-width: 98vw;
  }
  header h1, .hero-container h1 {
    font-size: 1.6rem;
    color: #f4f7fa;
  }
  header img {
    max-width: 110px;
    margin-bottom: 1rem;
  }
  .section {
    padding: 1.2rem 0.5rem;
    margin: 1rem 0.2rem;
  }
  form {
    gap: 0.7rem;
  }
  input, textarea, button {
    font-size: 0.98rem;
    padding: 0.65rem;
    width: 100%;
    box-sizing: border-box;
  }
  ul li {
    font-size: 0.98rem;
    padding: 0.4rem 0.5rem;
  }
  .about-headshot {
    width: 110px;
    height: 110px;
  }
  .cohort-list {
    flex-direction: column;
    gap: 1.2rem;
    align-items: center;
  }
  .cohort-card {
    max-width: 98vw;
    min-width: 0;
    padding: 1.2rem 0.5rem;
  }
  .section h2, .cohort-section h2 {
    font-size: 1.2rem;
    color: #3b6cb7;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
    margin-top: 1rem;
  }
}