:root {
  --bg: #f4f7f9;
  --text: #14213d;
  --accent: #0f766e;
  --accent-2: #ea580c;
  --card: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, sans-serif;
  background: linear-gradient(130deg, #f8fafc 0%, #eef2ff 100%);
  color: var(--text);
}
.hero {
  min-height: 72vh;
  display: grid;
  place-items: center;
  padding: 3rem 1rem;
}
.hero-content {
  max-width: 900px;
  text-align: center;
  background: rgba(255,255,255,.88);
  border-radius: 18px;
  padding: 2.6rem;
  box-shadow: 0 20px 60px rgba(15, 23, 42, .08);
}
h1 { margin-top: 0; font-size: 2.3rem; }
p { line-height: 1.6; }
.cta-group { margin-top: 1.3rem; display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }
.btn {
  text-decoration: none;
  padding: .8rem 1.3rem;
  border-radius: 10px;
  font-weight: 700;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--accent-2); color: #fff; }
.features {
  max-width: 1100px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  padding: 0 1rem;
}
.features article {
  background: var(--card);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 8px 22px rgba(15, 23, 42, .07);
}
footer { text-align: center; padding: 1.4rem; color: #334155; }