:root {
  --blue-900: #0f2a4a;
  --blue-700: #1c4e80;
  --blue-600: #2563eb;
  --blue-100: #dbeafe;
  --aqua: #06b6d4;
  --ink: #0f172a;
  --slate-600: #475569;
  --slate-400: #94a3b8;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(15, 42, 74, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--slate-50);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--blue-900);
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

:focus {
  outline: 2px solid var(--blue-600);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 12px;
  background: var(--blue-600);
  color: var(--white);
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 100;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}