* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background: #0b0b0b;
  color: #ffffff;
}

.hero {
  text-align: center;
  padding: 60px 20px;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin: 18px 0 22px;
  color: #cfcfcf;
}

.ba-wrapper {
  max-width: 900px;
  margin: auto;
}

.ba-hover {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  cursor: ew-resize;
}

.ba-base,
.ba-top {
  width: 100%;
  display: block;
  transform: none !important;
  animation: none !important;
}

.ba-top {
  position: absolute;
  inset: 0;
  clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
}

.ba-line {
  position: absolute;
  top: 0;
  height: 100%;
  width: 2px;
  background: rgba(255,255,255,0.8);
}

.preview-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin: 26px 0;
}

.preview {
  display: flex;
  gap: 15px;
}

.thumb-card img {
  width: 220px;
  border-radius: 10px;
  transition: transform .3s ease, box-shadow .3s ease;
  animation: thumbFloat 6s ease-in-out infinite;
}

.thumb-0 { animation-delay: 0s; }
.thumb-1 { animation-delay: 1.5s; }
.thumb-2 { animation-delay: 3s; }

.thumb-card img:hover {
  animation: none;
  transform: scale(1.07);
  box-shadow: 0 14px 32px rgba(0,0,0,.35);
}

@keyframes thumbFloat {
  0%   { transform: translateY(0) scale(1); }
  50%  { transform: translateY(-6px) scale(1.02); }
  100% { transform: translateY(0) scale(1); }
}

.change-btn {
  height: 32px;
  cursor: pointer;
  opacity: 0.9;
  transition: transform .6s ease, opacity .2s ease;
}

.change-btn:hover {
  transform: rotate(360deg);
  opacity: 1;
}

.toggle-btn {
  display: block;
  margin: 12px auto 0;
  height: 34px;
  cursor: pointer;
  opacity: 0.9;
  transition: transform .2s ease, opacity .2s ease;
}

.toggle-btn:hover {
  transform: scale(1.06);
  opacity: 1;
}

.portfolio {
  padding: 60px 20px;
}

.grid {
  max-width: 1000px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 20px;
}

.grid img {
  width: 100%;
  border-radius: 8px;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease;
}

.grid img:hover {
  transform: scale(1.04);
  box-shadow: 0 12px 28px rgba(0,0,0,.35);
}

.cta {
  padding: 50px 20px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.cta-img {
  height: 54px;
  cursor: pointer;
  transition: transform .25s ease;
}

.cta-img:hover {
  transform: scale(1.06);
}


.hidden {
  display: none !important;
}