:root {
  --teal: #0f4c5c;
  --dark-teal: #082f33;
  --gold: #d4af37;
  --white: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: var(--dark-teal);
  color: var(--white);
}

header {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  background: var(--teal);
}

.logo {
  height: 50px;
}

nav a {
  color: var(--white);
  margin-left: 20px;
  text-decoration: none;
}

.hero {
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 2.5rem;
}

.cta {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 25px;
  background: var(--gold);
  color: black;
  text-decoration: none;
  font-weight: bold;
}

.tools {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  padding: 50px;
  gap: 20px;
}

.card {
  background: var(--teal);
  padding: 20px;
  border-radius: 10px;
}

.card a {
  display: inline-block;
  margin-top: 10px;
  color: var(--gold);
  text-decoration: none;
}

.about {
  padding: 50px;
  text-align: center;
}

footer {
  text-align: center;
  padding: 20px;
  background: var(--teal);
}