:root {
  --ms-bg-shell: #1b1b1b;
  --ms-panel: #303030;
  --ms-panel-light: #4a4a4a;
  --ms-accent: #ff8c1a;
  --ms-accent-hover: #ffa347;
  --ms-text-primary: #ffffff;
  --ms-text-secondary: #e6e6e6;
  --ms-text-muted: #b4b4b4;
  --ms-content-bg: #ffffff;
  --ms-content-text: #1b1b1b;
  --ms-content-muted: #555555;
  --ms-radius: 10px;
  --ms-max-width: 960px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--ms-bg-shell);
  color: var(--ms-text-secondary);
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
}

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

a:hover {
  color: var(--ms-accent-hover);
  text-decoration: underline;
}

code {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Header */

.site-header {
  background: var(--ms-panel);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__inner {
  max-width: var(--ms-max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ms-text-primary);
  font-weight: 600;
  font-size: 1.15rem;
}

.site-header__brand:hover {
  color: var(--ms-text-primary);
  text-decoration: none;
}

.site-header__nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-header__nav a {
  color: var(--ms-text-secondary);
}

.site-header__nav a:hover {
  color: var(--ms-accent);
}

/* Footer */

.site-footer {
  background: var(--ms-panel);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 3rem;
}

.site-footer__inner {
  max-width: var(--ms-max-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: space-between;
  color: var(--ms-text-muted);
  font-size: 0.9rem;
}

/* Main / layout */

main {
  max-width: var(--ms-max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.page-header {
  text-align: center;
  margin-bottom: 2rem;
}

/* Hero */

.hero {
  text-align: center;
  padding: 2rem 0 3rem;
}

.hero__icon {
  border-radius: 20%;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: 2.75rem;
  margin: 0 0 0.75rem;
  color: var(--ms-text-primary);
}

.hero__tagline {
  max-width: 640px;
  margin: 0 auto 1.75rem;
  color: var(--ms-text-secondary);
  font-size: 1.1rem;
}

/* Buttons */

.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--ms-radius);
  font-weight: 600;
  text-decoration: none;
}

.button:hover {
  text-decoration: none;
}

.button--primary {
  background: var(--ms-accent);
  color: #1b1b1b;
}

.button--primary:hover {
  background: var(--ms-accent-hover);
  color: #1b1b1b;
}

.button--secondary {
  background: transparent;
  color: var(--ms-text-secondary);
  border: 1px solid var(--ms-panel-light);
}

.button--secondary:hover {
  color: var(--ms-text-primary);
  border-color: var(--ms-text-muted);
}

.button--large {
  font-size: 1.1rem;
  padding: 0.9rem 2rem;
}

/* Feature cards */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.feature-card {
  background: var(--ms-content-bg);
  color: var(--ms-content-text);
  border-radius: var(--ms-radius);
  padding: 1.5rem;
}

.feature-card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.feature-card p {
  color: var(--ms-content-muted);
  margin-bottom: 0;
}

.feature-card code {
  background: rgba(0, 0, 0, 0.06);
  color: var(--ms-content-text);
}

.cta-strip {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

/* Download page */

.download-panel {
  background: var(--ms-content-bg);
  color: var(--ms-content-text);
  border-radius: var(--ms-radius);
  padding: 2rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.download-panel .button--secondary {
  color: var(--ms-content-text);
  border-color: rgba(0, 0, 0, 0.2);
  margin-top: 1rem;
  display: block;
}

.download-meta {
  color: var(--ms-content-muted);
  margin: 1.25rem 0 0;
}

.verify-download {
  margin-top: 1.25rem;
  text-align: left;
  color: var(--ms-content-muted);
}

.verify-download code {
  background: rgba(0, 0, 0, 0.06);
  color: var(--ms-content-text);
  display: block;
  margin-top: 0.5rem;
  padding: 0.5rem;
  word-break: break-all;
}

/* Content cards (prose: How It Works, What's New) */

.content-card {
  background: var(--ms-content-bg);
  color: var(--ms-content-text);
  border-radius: var(--ms-radius);
  padding: 2rem;
}

.content-card h2 {
  margin-top: 0;
}

.content-card code {
  background: rgba(0, 0, 0, 0.06);
  color: var(--ms-content-text);
}

.content-card--prose h1:first-child {
  margin-top: 0;
}

.content-card--prose h2 {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-top: 1.5rem;
  margin-top: 2rem;
}

.content-card--prose h2:first-child,
.content-card--prose h1 + h2 {
  border-top: none;
  padding-top: 0;
  margin-top: 1rem;
}

.content-card--prose h3 {
  margin-top: 1.5rem;
}

.content-card--prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.content-card--prose th,
.content-card--prose td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }

  main {
    padding: 2rem 1rem;
  }

  .content-card,
  .download-panel {
    padding: 1.25rem;
  }
}