body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f9fafb;
}
a { text-decoration: none; }
.hero {
  background: url('images/hero-bg.jpg') no-repeat center center / cover;
  color: white;
  padding: 100px 20px;
  text-align: center;
  position: relative;
}
.hero .overlay {
  background-color: rgba(0,0,0,0.5);
  padding: 60px 20px;
  border-radius: 12px;
  display: inline-block;
}
.button {
  background: #2563eb;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  display: inline-block;
}
.button:hover { background: #1e40af; }
.section {
  padding: 60px 20px;
  text-align: center;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-top: 40px;
}
.card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  text-align: left;
}
.card img {
  width: 100%;
  border-radius: 12px;
}
.card ul {
  margin-top: 10px;
  padding-left: 20px;
}
.video-section {
  padding: 60px 20px;
  background: #e5e7eb;
}
.video-container {
  max-width: 800px;
  margin: auto;
}
.testimoni {
  background: white;
  padding: 60px 20px;
}
.testimoni blockquote {
  background: #f3f4f6;
  border-left: 4px solid #2563eb;
  padding: 20px;
  border-radius: 8px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 900px;
  margin: auto;
}
.cta {
  background: #2563eb;
  color: white;
  text-align: center;
  padding: 60px 20px;
}
.button.light {
  background: white;
  color: #2563eb;
}
form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto;
}
input, textarea, button {
  font-family: inherit;
  font-size: 1rem;
}
input, textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
}
button[type=submit] {
  background: #2563eb;
  color: white;
  padding: 12px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
footer {
  background: #1f2937;
  color: #9ca3af;
  text-align: center;
  padding: 40px 20px;
  font-size: 14px;
}