body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: #f7f9fc;
  color: #1f2937;
}

/* HEADER */

.topbar {
  background: white;
  padding: 1.2rem 9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 1px 8px rgba(0,0,0,0.05);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #005baa;
  letter-spacing: 1px;
}

nav a {
  margin-left: 2rem;
  text-decoration: none;
  color: #374151;
  font-weight: 500;
}

nav a:hover {
  color: #005baa;
}

/* HERO */

.hero {
  min-height: 100vh;
  background:
    linear-gradient(
      rgba(255,255,255,0.7),
      rgba(255,255,255,0.8)
    ),
    url('images/medical-bg.jpg');

  background-size: cover;
  background-position: center;

  display: flex;
  align-items: center;
  padding: 0 5rem;
}

.hero-text {
  max-width: 550px;
}

.hero h1 {
  font-size: 3.5rem;
  color: #0f172a;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  color: #475569;
  line-height: 1.8;
}

.bio-panel {
  max-width: 600px;
  max-height: 420px;
  overflow-y: auto;

  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid #d8e2ea;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 40, 80, 0.08);

  color: #243447;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.bio-panel p {
  font-size: 0.95rem;
}

.bio-panel::-webkit-scrollbar {
  width: 8px;
}

.bio-panel::-webkit-scrollbar-track {
  background: #eef4f8;
}

.bio-panel::-webkit-scrollbar-thumb {
  background: #8fb3c9;
  border-radius: 10px;
}

.About-bttn {
  display: inline-block;
  margin-top: 2rem;
  background: #005baa;
  color: white;
  text-decoration: none;
  padding: 1rem 2rem;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.3s ease;
}

.About-bttn:hover {
  background: #004080;
}

/* CARDS */

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 4rem 5rem;
}

.info-card {
  background: white;
  padding: 2rem;
  border-radius: 18px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

.info-card h2 {
  color: #005baa;
}

footer {
  text-align: center;
  padding: 2rem;
  background: #1f2933;
  color: white;
}