:root {
  --main: #00e5ff;
  --bg-dark: #121212;
  --text-light: #e0f7fa;
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #fff;
  color: #333;
  scroll-behavior: smooth;
}

header {
  background: url('assets/images/hero.jpg') no-repeat center center/cover;
  height: 100vh;
  position: relative;
  color: white;
}
.overlay {
  background: rgba(0, 0, 0, 0.7);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.overlay h1 {
  font-size: 3.5em;
  margin: 0;
}
.overlay p {
  font-size: 1.2em;
  margin: 20px 0;
}
.btn {
  background: var(--main);
  padding: 12px 25px;
  border: none;
  border-radius: 25px;
  color: #000;
  text-decoration: none;
  font-weight: bold;
  transition: transform 0.3s ease;
}
.btn:hover {
  transform: scale(1.1);
}

section {
  padding: 60px 20px;
  text-align: center;
}
.bg-dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
}
.container {
  max-width: 960px;
  margin: auto;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--main);
  padding: 20px;
  border-radius: 12px;
  color: var(--text-light);
  backdrop-filter: blur(10px);
}
img {
  width: 100%;
  border-radius: 10px;
}

footer {
  background: #000;
  color: #ccc;
  text-align: center;
  padding: 15px;
  font-size: 0.9em;
}

/* Animasi */
.animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 1s ease-out;
}
.animate.visible {
  opacity: 1;
  transform: translateY(0);
}