/* Base styles */
:root {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: dark;
  background-color: darkred;
  color: #111;
}

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

body {
  margin: 0;
  min-height: 100vh;
  line-height: 1.5;
  background: radial-gradient(circle at top, #ffffff, #eef1f5 45%, #d8dde3);
}

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

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.container {
  width: min(1200px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0;
}

.card {
  background: #fff;
  border-radius: 1rem;  
  box-shadow: 0 16px 40px rgba(16, 24, 40, 0.08);
  padding: 1.5rem;
}

.section-heading {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: clamp(1.75rem, 2.5vw, 2.75rem);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border: none;
  border-radius: 999px;
  background: #0066cc;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease;
}

.button:hover {
  background: #004b99;
}