:root {
  --blue:#2563eb;
  --blue-soft:#eaf0ff;
  --dark:#0f172a;
  --text:#1e293b;
  --muted:#64748b;
  --bg:#ffffff;
  --card:#f8fafc;
}

* {
  box-sizing:border-box;
  margin:0;
  padding:0;
  font-family:Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
}

header {
  background:linear-gradient(180deg,#ffffff,var(--blue-soft));
  padding:90px 20px;
}

nav {
  max-width:1200px;
  margin:auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:60px;
}

nav a {
  text-decoration:none;
  color:var(--text);
  margin-left:20px;
  font-weight:500;
}

.hero {
  max-width:1100px;
  margin:auto;
  text-align:center;
}

.hero h1 {
  font-size:3.2rem;
  color:var(--dark);
}

.hero p {
  margin-top:20px;
  font-size:1.2rem;
  color:var(--muted);
}

main {
  max-width:1200px;
  margin:auto;
  padding:80px 20px;
}

section {
  background:var(--card);
  border-radius:20px;
  padding:50px;
  margin-bottom:50px;
}

h2 {
  font-size:2rem;
  color:var(--dark);
}

p, ul {
  margin-top:16px;
  color:#334155;
}

ul {
  padding-left:22px;
}

.buttons {
  display:flex;
  gap:20px;
  margin-top:40px;
  justify-content:center;
  flex-wrap:wrap;
}

.btn {
  padding:16px 40px;
  border-radius:14px;
  font-size:16px;
  font-weight:600;
  text-decoration:none;
  transition:0.2s;
}

.btn-primary {
  background:linear-gradient(135deg,var(--blue),#4f83ff);
  color:#fff;
  box-shadow:0 12px 30px rgba(37,99,235,.35);
}

.btn-secondary {
  background:#ffffff;
  border:2px solid var(--blue);
  color:var(--blue);
}

.btn:hover {
  transform:translateY(-2px);
}

footer {
  text-align:center;
  padding:60px 20px;
  color:var(--muted);
  font-size:0.9rem;
}