* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  line-height: 1.6;
}


header {
  text-align: center;
  padding: 70px 20px;
  background: linear-gradient(135deg, #1e3a8a, #0f172a);
}

header h1 {
  font-size: 2.6rem;
}

header p {
  margin-top: 10px;
  opacity: 0.8;
}


.intro, .conclusion {
  max-width: 1000px;
  margin: 40px auto;
  padding: 25px;
  background: #111827;
  border-radius: 12px;
  border: 1px solid #1f2937;
}


.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
  padding: 30px;
}


.card {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 12px;
  padding: 15px;
}

.card h3 {
  margin-bottom: 10px;
  color: #60a5fa;
}

.card p {
  font-size: 0.95rem;
  margin-bottom: 15px;
  opacity: 0.9;
}


.img-comp-container {
  position: relative;
  width: 100%;
  max-width: 600px;
  height: 300px;
  margin: 40px auto;
  overflow: hidden;
  border-radius: 10px;
}

.img-comp-img {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.img-comp-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.img-comp-overlay {
  width: 50%;
}


.img-comp-slider {
  position: absolute;
  z-index: 9;
  cursor: ew-resize;
  width: 40px;
  height: 40px;
  background-color: #c03910;
  opacity: 0.9;
  border-radius: 50%;
}

footer {
  text-align: center;
  padding: 20px;
  background: #0b1220;
  margin-top: 40px;
  font-size: 0.9rem;
  opacity: 0.7;
}