body, html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  font-family: "Montserrat", serif;
  background: radial-gradient(circle, grey 0%, rgba(0, 0, 0, 0.5) 200%);
  overflow-x: hidden;
}

#app {
  position: relative;
  height: 100vh; /* hanya full layar awal */
}

.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

h1, h2 {
  margin: 0;
  padding: 0;
  color: white;
  text-transform: uppercase;
  text-shadow: 0 0 20px white;
  line-height: 100%;
  user-select: none;
}

h1 {
  font-size: clamp(36px, 8vw, 100px);
  font-weight: 700;
}

h2 {
  font-size: clamp(24px, 6vw, 80px);
  font-weight: 500;
}

#webgl-canvas {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
  z-index: 1;
}

.buttons {
  position: fixed;
  width: 100%;
  bottom: 15px;
  z-index: 3;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
}

button {
  font-family: "Montserrat", serif;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  border: 1px solid grey;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  transition: background 0.3s ease;
}

button:hover,
button:active {
  background: rgba(200, 200, 200, 0.9);
}

/* Overlay scroll sections */
.overlay {
  position: relative;
  z-index: 2;
}

.overlay section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  text-align: center;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(0px);
}

.overlay section:nth-child(even) {
  background: rgba(0,0,0,0.6);
  color: white;
}
/* ... gaya sebelumnya tetap ... */

/* Project Slider */
.project-slider {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: 50px;
  padding: 50px;
  -webkit-overflow-scrolling: touch;
}

.project-card {
  flex: 0 0 auto;
  width: 300px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  scroll-snap-align: center;
  text-align: center;
  padding-bottom: 15px;
  transition: transform 0.3s ease;
}

.project-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

.project-card h3 {
  margin: 10px 0 5px;
  font-size: 18px;
}

.project-card p {
  font-size: 14px;
  color: #333;
  padding: 0 10px;
}

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