/* The same colours as the app (Client/src/index.css). */
:root {
  --bg: #f3f5f9;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 "Segoe UI", system-ui, Arial, sans-serif;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 20px;
}

.hero {
  text-align: center;
  margin-bottom: 32px;
}

.hero img {
  display: block;
  margin: 0 auto 12px;
}

h1 {
  margin: 0;
  font-size: 34px;
  line-height: 1.2;
}

.tagline {
  margin: 8px 0 24px;
  color: var(--text-muted);
  font-size: 18px;
}

.download {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
}

.download:hover {
  background: var(--primary-hover);
}

.download:focus-visible {
  outline: 3px solid var(--text);
  outline-offset: 2px;
}

.details {
  margin: 14px 0 0;
  font-weight: 600;
}

.requirements {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-size: 14px;
}

section {
  margin-bottom: 16px;
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

h2 {
  margin: 0 0 8px;
  font-size: 19px;
}

ol {
  margin: 0;
  padding-left: 22px;
}

li + li {
  margin-top: 6px;
}

section p {
  margin: 10px 0 0;
}

#release-notes {
  margin: 0;
  white-space: pre-line;
}

footer {
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

footer p {
  margin: 8px 0 0;
}

footer code {
  overflow-wrap: anywhere;
}

footer a {
  color: var(--primary);
}