* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

/* NAVBAR */

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 30px;
  background: #020617;
  border-bottom: 1px solid #1e293b;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar a {
  color: #e5e7eb;
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
}

.logo {
  font-weight: bold;
  font-size: 18px;
  color: #60a5fa;
}

/* HERO */

.hero {
  text-align: center;
  padding: 70px 20px;
}

.hero h1 {
  font-size: 36px;
  margin-bottom: 10px;
}

.hero p {
  opacity: 0.8;
}

/* GRID CARDS */

.container {
  max-width: 1100px;
  margin: auto;
  padding: 30px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: #020617;
  padding: 20px;
  border-radius: 12px;
  border: 1px solid #1e293b;
}

.card h3 {
  margin-bottom: 10px;
}

.card a {
  display: inline-block;
  margin-top: 10px;
  color: #60a5fa;
  text-decoration: none;
}

/* BUTTON */

.btn {
  display: inline-block;
  margin-top: 15px;
  padding: 10px 16px;
  background: #2563eb;
  border-radius: 8px;
  color: white;
  text-decoration: none;
}

/* FOOTER */

.footer {
  text-align: center;
  padding: 20px;
  font-size: 13px;
  opacity: 0.7;
  border-top: 1px solid #1e293b;
  margin-top: 50px;
}


.email-link {
  display: inline-block;
  margin-top: 8px;
  padding: 8px 14px;
  background: #020617;
  border: 1px solid #1e293b;
  border-radius: 6px;
  color: #60a5fa;
  text-decoration: none;
}