html, body { height: 100%; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; color: #222; background: #fff; }
.center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 1.5rem 1rem;
}
.logo {
  width: min(40vw, 260px);
  height: auto;
}
h1 { font-size: clamp(1.5rem, 4vw, 2.25rem); margin: 0.25rem 0 0; }
p { font-size: clamp(1rem, 2.5vw, 1.125rem); margin: 0; color: #555; }

/* Slideshow */
.slideshow {
  width: min(90vw, 960px);
  aspect-ratio: 16 / 9;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  background: #fff;
}
.slideshow .slide {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 1200ms linear;
  will-change: opacity;
}
.slideshow .slide.show { opacity: 1; }