body {
  margin: 0;
  padding: 0;
  background: #f4efe8;
  color: #1f1f1f;
  font-family: Georgia, serif;
  line-height: 1.8;
  letter-spacing: 0.1px;
}

.topnav {
  padding: 30px 60px 10px;
  display: flex;
  gap: 30px;
  justify-content: flex-end;
  font-size: 0.95rem;
}

.topnav a {
  text-decoration: none;
  color: #444;
}

.topnav a:hover {
  color: #000;
}

.hero {
  max-width: 1200px;
  margin: auto;
  padding: 90px 40px 80px;
  display: flex;
  gap: 80px;
  align-items: center;
}

.portrait {
  width: 320px;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.hero-text {
  flex: 1;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  color: #7d7468;
  margin-bottom: 18px;
}

h1 {
  font-size: 4rem;
  line-height: 1.08;
  margin-bottom: 24px;
  font-weight: 600;
  letter-spacing: -1px;
}

.subtitle {
  font-size: 1.2rem;
  color: #5e5a55;
  margin-bottom: 32px;
  max-width: 700px;
}

.intro {
  max-width: 760px;
  font-size: 1.05rem;
}

.section {
  max-width: 1200px;
  margin: auto;
  padding: 20px 40px 90px;
}

.section-header {
  margin-bottom: 36px;
}

.section h2 {
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 10px;
}

.contributions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.contribution-card {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(4px);
  padding: 28px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.card {
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(4px);
  padding: 30px;
  border-radius: 14px;
  text-decoration: none;
  color: #222;
  transition: all 0.2s ease;
  box-shadow: 0 4px 18px rgba(0,0,0,0.05);
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 14px;
  font-size: 1.15rem;
}

.card p {
  color: #555;
}

footer {
  text-align: center;
  padding: 80px 20px 60px;
  color: #7b746d;
  font-size: 0.92rem;
}

footer a {
  color: #6f655d;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.copyright {
  margin-top: 24px;
  font-size: 0.82rem;
}

@media (max-width: 900px) {

  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 40px;
  }

  .portrait {
    width: 260px;
  }

  h1 {
    font-size: 2.6rem;
  }

  .topnav {
    justify-content: center;
    flex-wrap: wrap;
    padding: 20px;
  }

}