:root {
  --font-main: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;

  --bg-main: #f5f6f8;
  --bg-card: #ffffff;

  --text-main: #0b0b0c;
  --text-muted: #6b6f76;

  --accent: #0071e3;
  --accent-soft: #e8f1fd;

  --radius-xl: 28px;
  --radius-lg: 22px;

  --shadow-soft: 0 20px 60px rgba(0,0,0,0.08);
  --shadow-hover: 0 30px 80px rgba(0,0,0,0.12);

  --transition: all .45s cubic-bezier(.22,.61,.36,1);
}

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

body {
  font-family: var(--font-main);
  background: radial-gradient(1200px at 80% -10%, #eef2ff, transparent),
              radial-gradient(800px at 10% 10%, #fef3f3, transparent),
              var(--bg-main);
  color: var(--text-main);
}

.section {
  max-width: 1320px;
  margin: auto;
  padding: 120px 32px;
}

.section-title {
  text-align: center;
  font-size: 42px;
  letter-spacing: -0.02em;
  margin-bottom: 72px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0071e3, #4f9cff);
  color: #fff;
  font-size: 15px;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(0,113,227,.35);
  transition: var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 50px rgba(0,113,227,.45);
}