body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  background-color: #f4f8fb;
  color: #333;
}

.navbar {
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 50px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 40px;
  height: 40px;
}

.logo h1 {
  font-size: 22px;
  color: #009fd4;
  margin: 0;
  font-weight: bold;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
}

nav ul li a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

nav ul li a.active,
nav ul li a:hover {
  color: #009fd4;
}

.auth-buttons a {
  padding: 8px 15px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

.btn-login {
  border: 1px solid #00b8e6;
  color: #00b8e6;
}

.btn-register {
  background: #00b8e6;
  color: #fff;
  margin-left: 10px;
}

.btn-login:hover {
  background: #00b8e6;
  color: #fff;
}

.btn-register:hover {
  background: #00b8e6;
}

.hero-tentang {
  background: linear-gradient(to right, #00b8e6, #0077b6);
  color: #fff;
  text-align: center;
  padding: 80px 20px;
}

.hero-tentang h2 {
  font-size: 38px;
  margin-bottom: 10px;
}

.hero-tentang span {
  color: #ffdd33;
}

.konten-tentang .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 60px 80px;
  flex-wrap: wrap;
  gap: 40px;
}

.tentang-kiri {
  flex: 1 1 50%;
}

.tentang-kiri h3 {
  font-size: 26px;
  color: #009fd4;
  margin-bottom: 15px;
}

.tentang-kiri p {
  line-height: 1.7;
  color: #555;
  margin-bottom: 15px;
}

.tentang-kanan img {
  width: 100%;
  max-width: 420px;
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.visi-misi {
  background: #e8f3ff;
  text-align: center;
  padding: 60px 20px;
}

.visi-misi h3 {
  font-size: 28px;
  color: #009fd4;
  margin-bottom: 40px;
}

.visi-grid {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.card {
  background: #fff;
  border-radius: 15px;
  padding: 25px;
  width: 300px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card h4 {
  margin-bottom: 10px;
  color: #009fd4;
}

.card ul {
  text-align: left;
  padding-left: 20px;
}

footer {
  background: #fff;
  padding: 20px 0;
  text-align: center;
  border-top: 1px solid #ddd;
  margin-top: 50px;
}

footer a {
  color: #00b8e6;
  text-decoration: none;
}

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