* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0d0d1a;
  color: #eee;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  height: 100dvh;
  width: 100%;
  position: relative;
}

/* ── Carousel ── */
.carousel {
  display: flex;
  width: 100%;
  height: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.carousel::-webkit-scrollbar { display: none; }

.panel {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem 4.5rem;
  text-align: center;
}

.panel-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  max-height: 55vh;
  object-fit: contain;
  border-radius: 16px;
  margin-bottom: 1.25rem;
  box-shadow: 0 8px 32px rgba(255, 120, 30, 0.25);
}

.panel h1 {
  font-size: 1.8rem;
  margin: 0 0 0.4rem;
  letter-spacing: 0.05em;
}

.desc {
  color: #aaa;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.4;
  max-width: 320px;
}

/* ── Dots ── */
.dots {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transition: background 0.3s, transform 0.3s;
}
.dot.active {
  background: #ff9900;
  transform: scale(1.25);
}

/* ── Hint ── */
.hint {
  position: fixed;
  bottom: 4.2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  z-index: 10;
  animation: hintPulse 2.5s ease-in-out infinite;
  transition: opacity 0.6s;
}
.hint.hidden { opacity: 0; pointer-events: none; }

@keyframes hintPulse {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.7; }
}