* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  font-family: 'Segoe UI', sans-serif;
}

body {
  background-color: #fefefe;
  color: #333;
}

header {
  background-color: #ffffff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.container {
  max-width: 1100px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}

.brand {
  font-size: 24px;
  font-weight: bold;
  color: #2196f3;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #2196f3;
}

#hero {
  position: relative;
  width: 100%;
}

.hero-bg {
  width: 100%;
  height: auto;
  display: block;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  text-align: center;
  padding: 0 20px;
}

.hero-content h2 {
  font-size: 3rem;
  animation: fadeInDown 1s ease-out;
}

.hero-content p {
  font-size: 1.2rem;
  margin: 15px 0;
  animation: fadeInUp 1.2s ease-out;
}

.btn {
  background-color: #2196f3;
  color: white;
  padding: 12px 30px;
  text-decoration: none;
  border-radius: 30px;
  transition: background-color 0.3s;
  animation: fadeInUp 1.5s ease-out;
}

.btn:hover {
  background-color: #1976d2;
}

/* Sections */
section {
  padding: 60px 20px;
  text-align: center;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 40px;
  color: #333;
}

/* Cards */
.card-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.card {
  width: 260px;
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.card h3 {
  margin: 15px 0 10px;
  font-size: 1.3rem;
}

.card p {
  font-size: 0.95rem;
  padding: 0 15px 20px;
}

/* Galeri Slider */
.slider {
  position: relative;
  max-width: 800px;
  margin: auto;
  overflow: hidden;
}

.slider-wrapper {
  display: flex;
  transition: transform 0.4s ease-in-out;
}

.slide {
  min-width: 100%;
  height: 400px;
  object-fit: cover;
}

.prev, .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 30px;
  background-color: rgba(0,0,0,0.5);
  color: white;
  border: none;
  padding: 10px;
  cursor: pointer;
}

.prev { left: 10px; }
.next { right: 10px; }

/* Contact */
.contact-form {
  max-width: 500px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-form input,
.contact-form textarea {
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.contact-form button {
  background-color: #2196f3;
  color: white;
  padding: 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.contact-form button:hover {
  background-color: #1976d2;
}

footer {
  background-color: #f1f1f1;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .card-container {
    flex-direction: column;
    align-items: center;
  }

  .slider {
    height: auto;
  }

  .slide {
    height: 250px;
  }

  nav ul {
    flex-direction: column;
    gap: 10px;
  }
}