:root {
  --bg: #08110c;
  --bg-deep: #050a07;
  --panel: rgba(13, 21, 16, 0.88);
  --panel-strong: rgba(16, 26, 20, 0.95);
  --panel-soft: rgba(22, 34, 27, 0.82);
  --border: rgba(96, 180, 127, 0.22);
  --border-strong: rgba(124, 255, 178, 0.36);
  --text: #e7f7ea;
  --muted: #9bb4a1;
  --accent: #7cffb2;
  --accent-strong: #2ae68e;
  --accent-soft: rgba(124, 255, 178, 0.12);
  --warning: #ffd36a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(42, 230, 142, 0.14), transparent 34%),
    radial-gradient(circle at top right, rgba(124, 255, 178, 0.1), transparent 28%),
    linear-gradient(180deg, #0a130d 0%, #060b08 100%);
  color: var(--text);
  font: 16px/1.7 "Segoe UI Variable Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(124, 255, 178, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 255, 178, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.82), transparent);
}

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

a:hover {
  color: #b8ffd2;
}

code,
pre,
.brand__mark,
.page-eyebrow,
.sidebar-eyebrow,
.button,
.sidebar-nav__link {
  font-family: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(6, 10, 7, 0.78);
  border-bottom: 1px solid var(--border);
}

.site-header__inner,
.site-footer__inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.brand__mark {
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, rgba(124, 255, 178, 0.14), rgba(42, 230, 142, 0.06));
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.brand__docs {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.14em;
}

.site-header__links {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 14px;
}

.site-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px 24px 64px;
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 24px;
}

.site-sidebar {
  position: sticky;
  top: 88px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-card,
.page-frame,
.doc-card,
.callout,
.note,
.comparison-table,
.info-grid > div {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.sidebar-card {
  padding: 18px;
}

.sidebar-card--muted {
  background: var(--panel-soft);
}

.sidebar-eyebrow,
.page-eyebrow {
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.sidebar-title {
  font-size: 22px;
  font-weight: 700;
}

.sidebar-copy {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.sidebar-card__title {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.sidebar-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-nav__link {
  display: block;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  background: rgba(255, 255, 255, 0.01);
}

.sidebar-nav__link:hover,
.sidebar-nav__link.is-active {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--accent-soft);
}

.site-main {
  min-width: 0;
}

.page-frame {
  overflow: hidden;
}

.page-hero {
  padding: 36px 40px 26px;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(124, 255, 178, 0.11), rgba(9, 15, 12, 0.08)),
    linear-gradient(180deg, rgba(13, 22, 16, 0.98), rgba(10, 15, 12, 0.92));
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.page-description {
  max-width: 860px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.button--primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: #06110b;
  border-color: transparent;
}

.button--ghost {
  background: rgba(124, 255, 178, 0.06);
  color: var(--text);
}

.page-content {
  padding: 34px 40px 42px;
}

.page-content h2,
.page-content h3,
.page-content h4 {
  margin-top: 34px;
  margin-bottom: 14px;
  line-height: 1.2;
}

.page-content h2 {
  font-size: 28px;
}

.page-content h3 {
  font-size: 22px;
}

.page-content h4 {
  font-size: 18px;
}

.page-content p,
.page-content li {
  color: #d5e5d8;
}

.page-content strong {
  color: #f6fff8;
}

.page-content ul,
.page-content ol {
  padding-left: 22px;
}

.page-content hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}

.page-content blockquote {
  margin: 24px 0;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: rgba(124, 255, 178, 0.08);
  color: #dcf8e4;
}

.page-content code {
  padding: 0.16rem 0.38rem;
  border-radius: 8px;
  background: rgba(124, 255, 178, 0.08);
  color: #bbffd4;
  font-size: 0.94em;
}

.page-content pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: var(--radius-sm);
  background: #08100c;
  border: 1px solid var(--border);
}

.page-content pre code {
  padding: 0;
  background: transparent;
  color: #dfffea;
}

.doc-card-grid,
.info-grid,
.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 22px 0;
}

.doc-card,
.info-grid > div,
.link-grid > a {
  padding: 20px;
}

.doc-card h3,
.info-grid h3,
.link-grid h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.doc-card p,
.info-grid p,
.link-grid p,
.link-grid span {
  margin: 0;
  color: var(--muted);
}

.link-grid > a {
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}

.link-grid > a:hover {
  border-color: var(--border-strong);
  background: rgba(124, 255, 178, 0.08);
}

.callout,
.note {
  margin: 24px 0;
  padding: 18px 20px;
}

.callout h3,
.note h3 {
  margin-top: 0;
}

.callout--warning {
  border-color: rgba(255, 211, 106, 0.35);
  background: rgba(255, 211, 106, 0.08);
}

.callout--accent {
  border-color: var(--border-strong);
  background: rgba(124, 255, 178, 0.08);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(124, 255, 178, 0.06);
}

tr:last-child td {
  border-bottom: 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(6, 10, 7, 0.72);
}

.site-footer__inner {
  color: var(--muted);
  font-size: 14px;
}

.site-footer__inner a {
  color: var(--accent);
}

@media (max-width: 1100px) {
  .site-shell {
    grid-template-columns: 1fr;
  }

  .site-sidebar {
    position: static;
  }
}

@media (max-width: 760px) {
  .site-header__inner,
  .site-footer__inner,
  .site-shell {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-hero,
  .page-content {
    padding-left: 20px;
    padding-right: 20px;
  }

  .doc-card-grid,
  .info-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .site-header__inner,
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}