/* NTCTE Root CA  minimal style */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #1a4fa0;
  --color-text:    #202124;
  --color-muted:   #5f6368;
  --color-border:  #dadce0;
  --color-surface: #f8f9fa;
  --color-white:   #ffffff;
  --font-sans: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 2px; }

.container { max-width: 900px; margin: 0 auto; padding: 0 24px; }

/*  Header  */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
  background: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
}

.header-logo:hover { text-decoration: none; }

.header-logo img { height: 32px; width: auto; }

.header-logo-name {
  font-size: 1rem;
  font-weight: 600;
}

.header-sep {
  color: var(--color-border);
  font-size: 1.25rem;
  user-select: none;
}

.header-page {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.header-nav {
  margin-left: auto;
  display: flex;
  gap: 24px;
}

.header-nav a {
  font-size: 0.875rem;
  color: var(--color-muted);
  text-decoration: none;
}

.header-nav a:hover { color: var(--color-primary); }

/*  Hero  */
.hero {
  padding: 72px 0 56px;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--color-muted);
  max-width: 620px;
  margin: 0 auto 32px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/*  Buttons  */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  min-height: 44px;
  transition: background .15s, border-color .15s;
  cursor: pointer;
  border: none;
}

.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.btn-filled {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}

.btn-filled:hover { background: #123880; color: #fff; }

.btn-outlined {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn-outlined:hover { background: var(--color-surface); }

/*  Notice  */
.notice {
  background: #fef9e7;
  border: 1px solid #f5c842;
  border-radius: 4px;
  padding: 12px 16px;
  margin-bottom: 40px;
  font-size: 0.875rem;
  color: #665200;
  line-height: 1.5;
}

/*  Page content  */
.page-content { padding: 0 0 80px; }

.content-section {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.content-section h2 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.content-section p,
.content-section li {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/*  Cert fields table  */
.def-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.def-table tr { border-bottom: 1px solid var(--color-border); }
.def-table tr:last-child { border-bottom: none; }

.def-table td {
  padding: 10px 0;
  vertical-align: top;
}

.def-table td:first-child {
  width: 38%;
  font-weight: 500;
  color: var(--color-text);
  padding-right: 16px;
  white-space: nowrap;
}

.def-table td:last-child {
  color: var(--color-muted);
  word-break: break-all;
}

/*  Inline code & preformatted  */
code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: var(--color-surface);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

pre {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 16px;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  line-height: 1.6;
  overflow-x: auto;
  margin-top: 12px;
  color: var(--color-text);
}

/*  Extensions list  */
.ext-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.ext-row {
  display: flex;
  gap: 16px;
  align-items: baseline;
}

.ext-name {
  font-size: 0.9375rem;
  font-weight: 600;
  min-width: 210px;
  flex-shrink: 0;
}

.ext-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.badge-crit {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  background: #fce8e6;
  color: #c5221f;
  padding: 1px 6px;
  border-radius: 3px;
  vertical-align: middle;
  margin-left: 6px;
}

/*  Install grid  */
.install-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 24px;
}

.install-item h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.install-item p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/*  Footer  */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.footer-links a:hover { color: var(--color-primary); text-decoration: none; }

/*  Responsive  */
@media (max-width: 640px) {
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 1.75rem; }
  .header-nav { display: none; }
  .def-table td:first-child { width: 42%; white-space: normal; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
  .ext-row { flex-direction: column; gap: 4px; }
  .ext-name { min-width: unset; }
  .install-grid { grid-template-columns: 1fr; }
}