/* BODY */
body {
  font-family: Arial, sans-serif;
  background: #f1f5f9;
  color: #0f172a;
  margin: 0;
  line-height: 1.5;
}

/* HEADER */
header {
  background: #0f172a;
  color: white;
  text-align: center;
  padding: 30px;
}

header p {
  color: #cbd5e1;
}

/* NAV */
nav {
  display: flex;
  justify-content: center;
  gap: 15px;
  background: white;
  padding: 10px;
  border-bottom: 1px solid #ddd;
}

nav a {
  text-decoration: none;
  color: #334155;
  font-weight: bold;
}

nav a:hover {
  color: #000;
}

/* MAIN */
main {
  width: 90%;
  max-width: 800px;
  margin: 20px auto;
}

/* SECTIONS */
section {
  background: white;
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 10px;
}

/* HEADINGS */
h2 {
  margin-bottom: 10px;
}

/* IMAGES */
img {
  width: 100%;
  border-radius: 10px;
  margin-top: 10px;
}

/* INPUTS */
input {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
  box-sizing: border-box;
}

/* SELECT DROPDOWN */
select {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
  background: white;
  font-size: 14px;
  box-sizing: border-box;
}

/* LABELS */
label {
  font-weight: bold;
  font-size: 14px;
  display: block;
  margin-top: 8px;
}

/* BUTTON */
button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  background: green;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
}

button:hover {
  background: #005500;
}

/* CARDS */
.card {
  background: #f8fafc;
  padding: 15px;
  margin: 10px 0;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 15px;
  margin-top: 20px;
  color: #64748b;
}

/* RESPONSIVE */
@media (max-width: 600px) {
  nav {
    flex-direction: column;
    text-align: center;
  }

  main {
    width: 95%;
  }
}