:root {
  color-scheme: dark;
  --bg: #07110f;
  --ink: #f4fbf8;
  --muted: #9fb2ad;
  --line: rgba(181, 255, 229, 0.15);
  --surface: rgba(13, 27, 25, 0.82);
  --surface-strong: rgba(19, 37, 34, 0.95);
  --accent: #28f0b4;
  --cyan: #5bd9ff;
  --accent-soft: rgba(40, 240, 180, 0.12);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 3%, rgba(40, 240, 180, 0.15), transparent 28rem),
    radial-gradient(circle at 88% 9%, rgba(91, 217, 255, 0.11), transparent 26rem),
    linear-gradient(180deg, #040807 0%, #081411 48%, #0d1214 100%);
  color: var(--ink);
  font-family: Inter, Arial, "Helvetica Neue", sans-serif;
}

button, a { font: inherit; }
a { color: inherit; }

.docs-shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 38px;
}

.docs-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 62px;
  padding: 8px 10px 8px 13px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(5, 15, 13, 0.84);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 900;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0a1613, #0f5d4e 62%, var(--accent));
  box-shadow: 0 0 24px rgba(40, 240, 180, 0.3);
}

.header-links,
.language-switcher,
.docs-footer nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-links a,
.docs-footer a {
  padding: 9px 11px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
  text-decoration: none;
}

.header-links a:hover,
.header-links a:focus-visible,
.docs-footer a:hover,
.docs-footer a:focus-visible {
  background: var(--accent-soft);
  color: var(--ink);
}

.language-switcher {
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(8, 16, 15, 0.72);
}

.language-button {
  min-width: 44px;
  min-height: 34px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
}

.language-button.is-active {
  background: linear-gradient(135deg, rgba(40, 240, 180, 0.21), rgba(91, 217, 255, 0.14));
  color: var(--ink);
}

.docs-hero {
  display: grid;
  grid-template-columns: 1fr minmax(250px, 0.38fr);
  gap: 28px;
  align-items: end;
  padding: clamp(70px, 10vw, 126px) 12px clamp(54px, 7vw, 84px);
}

.kicker {
  margin: 0 0 13px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1, h2, h3, p { overflow-wrap: anywhere; }

h1 {
  margin: 0;
  max-width: 760px;
  background: linear-gradient(125deg, #fff 15%, #d9fff5 53%, #67e7ff 100%);
  background-clip: text;
  color: transparent;
  font-size: clamp(2.8rem, 6vw, 5.7rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hero-summary {
  max-width: 750px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.75;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}

.hero-meta span,
.planned-badge {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 30, 27, 0.72);
  color: #bcefe0;
  font-size: 0.76rem;
  font-weight: 800;
}

.status-card,
.docs-section,
.quick-card,
.topic-card {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(18, 39, 35, 0.84), rgba(8, 20, 18, 0.7));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.04), var(--shadow);
  backdrop-filter: blur(16px);
}

.status-card {
  padding: 22px;
  border-radius: 18px;
}

.status-card strong {
  display: block;
  margin-top: 14px;
}

.status-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.status-dot {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent);
}

.docs-layout {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: 98px;
  max-height: calc(100vh - 116px);
  padding: 16px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(7, 19, 17, 0.76);
  backdrop-filter: blur(18px);
}

.docs-sidebar p {
  margin: 0 8px 11px;
  color: var(--accent);
  font-size: 0.73rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.docs-sidebar nav {
  display: grid;
  gap: 3px;
}

.docs-sidebar a {
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 750;
  line-height: 1.35;
  text-decoration: none;
}

.docs-sidebar a:hover,
.docs-sidebar a:focus-visible,
.docs-sidebar a.is-active {
  background: var(--accent-soft);
  color: var(--ink);
}

.docs-content {
  display: grid;
  gap: 22px;
  min-width: 0;
}

.docs-section {
  padding: clamp(22px, 4vw, 42px);
  border-radius: 22px;
  scroll-margin-top: 98px;
}

.section-number {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.docs-section h2 {
  margin: 9px 0 10px;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: -0.03em;
}

.section-intro {
  max-width: 800px;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.quick-grid,
.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.quick-card,
.topic-card {
  padding: 18px;
  border-radius: 14px;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.04);
}

.quick-card {
  display: block;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease;
}

.quick-card:hover,
.quick-card:focus-visible {
  border-color: rgba(40, 240, 180, 0.42);
  transform: translateY(-2px);
}

.quick-card strong,
.topic-card h3 {
  display: block;
  margin: 0 0 8px;
  font-size: 1rem;
}

.quick-card span,
.topic-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.62;
}

.topic-card ol,
.topic-card ul {
  margin: 12px 0 0;
  padding-inline-start: 20px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.topic-card li + li { margin-top: 6px; }
.planned-badge { display: inline-block; margin-bottom: 10px; color: var(--cyan); }

.tip-block,
.warning-block {
  display: grid;
  gap: 5px;
  margin-top: 14px;
  padding: 12px 13px;
  border-radius: 8px;
}

.tip-block {
  border-inline-start: 3px solid var(--accent);
  background: var(--accent-soft);
}

.warning-block {
  border-inline-start: 3px solid #ffb45b;
  background: rgba(255, 159, 67, 0.11);
}

.tip-block strong,
.warning-block strong {
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.warning-block strong { color: #ffc477; }

.tip-block span,
.warning-block span {
  color: #c9e2da;
  font-size: 0.86rem;
  line-height: 1.6;
}

.topic-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.topic-links a {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 25, 22, 0.66);
  color: #cffff0;
  font-size: 0.8rem;
  font-weight: 800;
  text-decoration: none;
}

.topic-links a:hover,
.topic-links a:focus-visible { border-color: rgba(40, 240, 180, 0.42); }

.policy-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.policy-list a {
  padding: 14px 15px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(8, 25, 22, 0.66);
  color: #cffff0;
  font-weight: 800;
  text-decoration: none;
}

.policy-list a:hover,
.policy-list a:focus-visible { border-color: rgba(40, 240, 180, 0.42); }

.docs-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 30px;
  padding: 24px 8px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
}

.docs-footer div { display: grid; gap: 5px; }
.docs-footer strong { color: var(--ink); }

[dir="rtl"] .kicker { letter-spacing: 0; }

@media (max-width: 900px) {
  .docs-header { flex-wrap: wrap; }
  .header-links { order: 3; width: 100%; overflow-x: auto; }
  .docs-hero { grid-template-columns: 1fr; }
  .status-card { max-width: 520px; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: static;
    max-height: none;
  }
  .docs-sidebar nav {
    display: flex;
    overflow-x: auto;
  }
  .docs-sidebar a { flex: 0 0 auto; }
}

@media (max-width: 620px) {
  .docs-shell { width: min(100% - 20px, 1240px); padding-top: 10px; }
  .docs-header { top: 6px; }
  .header-links a { padding-inline: 8px; }
  .language-button { min-width: 39px; }
  .docs-hero { padding: 58px 4px 42px; }
  .quick-grid, .topic-grid, .policy-list { grid-template-columns: 1fr; }
  .docs-section { padding: 21px 17px; border-radius: 17px; }
  .docs-footer { flex-direction: column; }
}