body {
  margin:0;
  font-family:'Inter', sans-serif;
  background:#f8fafc;
  color:#0f172a;
}
.container {
  max-width:1100px;
  margin:auto;
  padding:0 24px;
}
.section {
  padding:140px 0;
  opacity:0;
  transform:translateY(40px);
  transition: all 0.8s ease;
}
.section.visible {
  opacity:1;
  transform:translateY(0);
}
.hero {
  padding:180px 20px;
  text-align:left;
  opacity:0;
  transform:translateY(40px);
  transition: all 1s ease;
}
.hero.visible {
  opacity:1;
  transform:translateY(0);
}
.hero h1 {
  font-size:64px;
  line-height:1.05;
  margin-bottom:20px;
}
.hero span {
  font-weight:300;
  color:#64748b;
}
.hero p {
  font-size:20px;
  color:#475569;
  max-width:600px;
}
.center {
  text-align:center;
}
h2 {
  font-size:36px;
  margin-bottom:20px;
}
.lead {
  font-size:20px;
  color:#475569;
}
.split-inner {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:80px;
  align-items:center;
}
.split img {
  width:100%;
  border-radius:16px;
}
.grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:24px;
  margin-top:40px;
}
.card {
  padding:30px;
  border:1px solid #e2e8f0;
  border-radius:12px;
  transition: all 0.3s ease;
  background:white;
}
.card:hover {
  transform:translateY(-6px);
  box-shadow:0 12px 30px rgba(0,0,0,0.08);
}
.dark {
  background:#0f172a;
  color:white;
}
.highlight {
  font-size:28px;
  margin-top:20px;
}
.btn {
  display:inline-block;
  margin-top:30px;
  padding:16px 28px;
  background:#0f172a;
  color:white;
  text-decoration:none;
  border-radius:8px;
  transition:0.3s;
}
.btn:hover {
  transform:translateY(-2px);
  background:#020617;
}
.dark-btn {
  background:white;
  color:#0f172a;
}
.dark-btn:hover {
  background:#e2e8f0;
}
@media(max-width:800px){
  .split-inner { grid-template-columns:1fr; }
  .hero h1 { font-size:40px; }
}