:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-muted: #f2f5fb;
  --text: #0f172a;
  --text-muted: #5b6477;
  --accent: #2444d9;
  --accent-soft: #dbe4ff;
  --border: #e2e8f0;
  --success: #0f766e;
  --danger: #b91c1c;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 30px rgba(36, 68, 217, 0.08);
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Manrope', 'Segoe UI', sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #eef2ff 0%, var(--bg) 30%);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  margin: 0 0 0.6rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 7vw, 3.6rem);
}

h2 {
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
}

h3 {
  font-size: clamp(1.15rem, 3vw, 1.45rem);
}

p {
  margin: 0 0 1rem;
  color: var(--text);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

ul,
ol {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

input,
button,
select,
textarea {
  font: inherit;
}

::selection {
  background: var(--accent-soft);
}