/* META-STYLE GLOBAL RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background: #f0f2f5;
  color: #1c1e21;
  line-height: 1.6;
}

/* CONTAINER */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

/* HEADER */
header {
  background: #ffffff;
  border-bottom: 1px solid #ddd;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  color: #1877f2;
  font-size: 22px;
}

/* NAV */
nav a {
  margin-left: 15px;
  text-decoration: none;
  color: #1c1e21;
  font-weight: 500;
}

nav a:hover {
  color: #1877f2;
}

/* HERO */
.hero {
  background: #ffffff;
  margin-top: 20px;
  border-radius: 10px;
  padding: 40px;
}

.hero h2 {
  font-size: 28px;
  margin-bottom: 10px;
}

.hero p {
  font-size: 16px;
  color: #555;
}

/* BUTTON */
.btn {
  display: inline-block;
  margin-top: 15px;
  background: #1877f2;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}

.btn:hover {
  background: #145dbf;
}

/* CARDS */
.card {
  background: #ffffff;
  padding: 20px;
  margin-top: 20px;
  border-radius: 10px;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

/* FOOTER */
footer {
  margin-top: 40px;
  background: #ffffff;
  border-top: 1px solid #ddd;
  text-align: center;
  padding: 20px;
  font-size: 14px;
  color: #555;
}