/* Barakat VPN brand — dark navy + electric cyan */
:root {
  color-scheme: dark;

  --bg-deep: #051017;
  --bg-mid: #0a1a2e;
  --bg-glow: rgba(0, 242, 255, 0.07);

  --accent: #00f2ff;
  --accent-soft: #00c8d4;
  --accent-dim: rgba(0, 242, 255, 0.55);

  --text: #e8f4f8;
  --text-muted: #7eb3c4;
  --heading: #ffffff;

  --card-bg: linear-gradient(
    155deg,
    rgba(12, 38, 56, 0.88) 0%,
    rgba(6, 20, 34, 0.82) 100%
  );
  --card-border: rgba(0, 242, 255, 0.22);
  --card-glow: 0 0 48px rgba(0, 242, 255, 0.07), 0 12px 40px rgba(0, 0, 0, 0.45);

  --border: rgba(0, 200, 212, 0.18);
  --code-bg: rgba(0, 80, 100, 0.32);
  --table-head: rgba(0, 242, 255, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    'Inter',
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, var(--bg-glow), transparent 55%),
    radial-gradient(circle at 15% 85%, rgba(0, 180, 200, 0.05), transparent 42%),
    radial-gradient(circle at 88% 72%, rgba(0, 160, 190, 0.04), transparent 38%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 100%);
  background-attachment: fixed;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

@media (min-width: 640px) {
  .wrap {
    padding: 2rem 1.5rem 4rem;
  }
}

.card {
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 1.5rem 1.25rem;
  box-shadow: var(--card-glow);
}

@media (min-width: 640px) {
  .card {
    padding: 2rem 2.25rem;
  }
}

header.site {
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

header.site a {
  color: var(--accent-soft);
  text-decoration: none;
  transition: color 0.15s ease, text-shadow 0.15s ease;
}

header.site a:hover {
  color: var(--accent);
  text-shadow: 0 0 12px rgba(0, 242, 255, 0.45);
}

.brand-mark {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--heading);
}

.brand-mark span {
  color: var(--accent);
  font-weight: 600;
}

.content h1 {
  font-size: 1.5rem;
  line-height: 1.3;
  margin: 0 0 1.25rem;
  color: var(--heading);
  font-weight: 700;
}

.content h2 {
  font-size: 1.125rem;
  margin: 2rem 0 0.75rem;
  color: var(--heading);
  font-weight: 600;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}

.content h3 {
  font-size: 1rem;
  margin: 1.5rem 0 0.5rem;
  color: var(--accent-soft);
  font-weight: 600;
}

.content p,
.content ul,
.content ol {
  margin: 0 0 1rem;
  color: var(--text);
}

.content ul,
.content ol {
  padding-left: 1.35rem;
}

.content li {
  margin: 0.35rem 0;
}

.content li::marker {
  color: var(--accent-dim);
}

.content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
  box-shadow: 0 1px 0 rgba(0, 242, 255, 0.06);
}

.content a {
  color: var(--accent);
  text-decoration: none;
  word-break: break-word;
  transition: color 0.15s ease, text-shadow 0.15s ease;
}

.content a:hover {
  color: #7df9ff;
  text-shadow: 0 0 10px rgba(0, 242, 255, 0.35);
  text-decoration: underline;
}

.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9375rem;
}

.content th,
.content td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.content th {
  background: var(--table-head);
  color: var(--heading);
  font-weight: 600;
}

.content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  color: var(--accent-soft);
  padding: 0.12em 0.4em;
  border-radius: 4px;
  border: 1px solid rgba(0, 242, 255, 0.12);
}

.content strong {
  font-weight: 600;
  color: var(--heading);
}

footer.site {
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Index page (список документов) */
.page-index h1 {
  font-size: 1.5rem;
  margin: 0 0 0.35rem;
  color: var(--heading);
  font-weight: 700;
  letter-spacing: 0.03em;
}

.page-index .tagline {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.doc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.doc-list li {
  margin: 0;
  border-bottom: 1px solid var(--border);
}

.doc-list li:last-child {
  border-bottom: none;
}

.doc-list a {
  display: block;
  padding: 0.85rem 0.25rem;
  color: var(--text);
  text-decoration: none;
  transition:
    color 0.15s ease,
    padding-left 0.15s ease,
    text-shadow 0.15s ease;
}

.doc-list a:hover {
  color: var(--accent);
  padding-left: 0.5rem;
  text-shadow: 0 0 12px rgba(0, 242, 255, 0.3);
}

.doc-list a::before {
  content: '› ';
  color: var(--accent-dim);
  font-weight: 600;
}