body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

.hero {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(135deg, #6366f1, #06b6d4);
  color: white;
}

.hero h1 {
  font-size: 40px;
  margin-bottom: 10px;
}

.hero button {
  margin-top: 20px;
  padding: 12px 25px;
  background: #f59e0b;
  border: none;
  color: white;
  border-radius: 8px;
  cursor: pointer;
}

nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 15px;
  background: #111e2b;
  position: sticky;
  top: 0;
}

nav a {
  text-decoration: none;
  color: #ffffff;
  position: relative;
  padding: 5px 0;
  transition: color 0.3s;
}

/* Efek hover (warna berubah) */
nav a:hover {
  color: #2563eb;
}

/* Garis animasi bawah (clean & modern) */
nav a::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: #2563eb;
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

section {
  max-width: 900px;
  margin: auto;
  padding: 50px 20px;
}

h2 {
  color: #38bdf8;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 15px;
}

.grid span {
  background: #1e293b;
  padding: 10px;
  border-radius: 8px;
  text-align: center;
}

.card {
  background: #1e293b;
  padding: 20px;
  border-radius: 12px;
  margin-top: 20px;
  transition: 0.3s;
  color: white;
}

.card:hover {
  transform: translateY(-8px);
  background: #334155;
}


.card-link {
  display: block;       /* ini penting banget */
  text-decoration: none;
}

.contact-list {
  display: flex;
  justify-content: center; /* tengah */
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
}

.contact-item img {
  width: 22px;
  height: 22px;
}

.contact-item a {
  text-decoration: none;
  color: white;
  transition: 0.3s;
}

.contact-item a:hover {
  color: #007bff;
}

/* optional efek biar lebih hidup */
.contact-item:hover {
  transform: translateX(5px);
  transition: 0.3s;
}

footer {
  text-align: center;
  padding: 20px;
  background: #020617;
}