:root {
  --primary: #0059a9;
  --primary-dark: #00417d;
  --accent: #00a67a;
  --bg-light: #f4f7fb;
  --text-main: #222;
  --text-muted: #666;
  --border: #e0e4f0;
  --border-strong: #cfd5e3;
  --white: #ffffff;
  --max-width: 1140px;
  --radius-sm: 0.4rem;
  --radius-md: 0.7rem;
  --radius-lg: 0.9rem;
  --radius-xl: 1rem;
  --radius-pill: 999px;
  --shadow-sm: 0 3px 12px rgba(15, 23, 42, 0.18);
  --shadow-md: 0 8px 18px rgba(0, 89, 169, 0.25);
  --shadow-lg: 0 14px 30px rgba(15, 23, 42, 0.22);
  --shadow-xl: 0 18px 40px rgba(0, 0, 0, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background-color: var(--white);
  line-height: 1.6;
}

main {
  min-height: 60vh;
}

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

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

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  color: var(--primary);
}

h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.15rem;
}

p {
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

ul {
  padding-left: 1.1rem;
}

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