body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #d3d3d3;
  color: #333;
}

/* HEADER */
header {
  background: #e5e5e5;
  border-bottom: 3px solid #444;
  padding: 10px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-small {
  height: 42px;
}

nav a {
  margin-left: 40px;
  text-decoration: none;
  color: #2f5fd0;
  font-size: 22px;
  font-weight: bold;
}

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

/* MAIN CONTAINER */
.container {
  max-width: 900px;
  margin: 80px auto;
  text-align: center;
  padding: 0 20px;
}

/* LOGO */
.logo-main {
  max-width: 420px;
  margin-bottom: 40px;
}

/* TEXT */
p {
  font-size: 18px;
  line-height: 1.7;
}

/* CARDS */
.card {
  background: #cfcfcf;
  border-radius: 30px;
  padding: 35px;
  margin-top: 40px;
  text-align: left;
}

/* TITLES */
.project-title {
  color: #2f5fd0;
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
}

/* BUTTONS */
.button {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  margin-top: 15px;
}

.button-green {
  background: #8bc34a;
  color: #000;
}

.button-green:hover {
  background: #7cb342;
}

.button-blue {
  color: #2f5fd0;
}

.button-blue:hover {
  text-decoration: underline;
}

/* FOOTER */
.footer {
  text-align: center;
  margin-top: 60px;
  padding: 25px;
  font-size: 14px;
  color: #2f5fd0;
  border-top: 2px solid #444;
}