html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background-color: #0f172a;
  color: #e5e7eb;
  line-height: 1.5;
}

header {
  text-align: center;
  padding: 3rem 1rem 2rem;
}

h1 {
  margin-bottom: 0.3rem;
}

.subtitle {
  color: #94a3b8;
}

.contact {
  margin-top: 0.5rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.pdf-button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid #38bdf8;
  color: #38bdf8;
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.9rem;
}

.pdf-button:hover {
  background-color: #38bdf8;
  color: #0f172a;
}

nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem;
  border-bottom: 1px solid #1e293b;
}

nav a {
  color: #38bdf8;
  text-decoration: none;
}

nav a:hover,
nav a:focus {
  color: #ffffff;
}

section {
  max-width: 900px;
  margin: auto;
  padding: 2rem 1.5rem;
}

h2 {
  border-bottom: 1px solid #334155;
  padding-bottom: 0.3rem;
}

h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.2rem;
}

.date {
  font-size: 0.9rem;
  color: #94a3b8;
}

ul {
  margin-top: 0.3rem;
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  color: #94a3b8;
}