:root {
  --color-background: #f5f7fb;
  --color-surface: #ffffff;
  --color-primary: #2563eb;
  --color-primary-soft: rgba(37, 99, 235, 0.1);
  --color-text: #1f2933;
  --color-muted: #52606d;
  --color-border: #d8dee9;
  --radius-large: 24px;
  --radius-medium: 16px;
  --radius-small: 8px;
  --shadow-soft: 0 18px 48px rgba(15, 23, 42, 0.08);
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 20px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --max-width: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: radial-gradient(circle at top left, #eef2ff, transparent 60%),
    radial-gradient(circle at bottom right, #cffafe, transparent 55%),
    var(--color-background);
  min-height: 100vh;
}

h1,
h2,
h3 {
  font-family: "Poppins", "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding-left: 1.25rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus {
  color: #1d4ed8;
}

section:target {
  scroll-margin-top: 100px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}