:root {
  --bg-primary: #0b0b0e;
  --bg-secondary: #121216;
  --surface: #1a1a22;
  --surface-2: #20202a;
  --border: #242430;
  --text-primary: #f1f1f7;
  --text-muted: #a7a7b5;
  --accent-orange: #ff8a00;
  --accent-orange-hover: #ff9f2f;
  --accent-orange-active: #e67600;
  --accent-purple: #7c4dff;
  --accent-purple-light: #9a7dff;
  --accent-purple-deep: #5a36cc;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", "Inter", "Segoe UI", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 10%, rgba(124, 77, 255, 0.18), transparent 40%),
    radial-gradient(circle at 80% 15%, rgba(255, 138, 0, 0.14), transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(124, 77, 255, 0.12), transparent 50%),
    linear-gradient(160deg, rgba(18, 18, 22, 0.96), rgba(11, 11, 14, 0.98));
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 140px 140px;
  z-index: -1;
  opacity: 0.25;
}

.page-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 30%, rgba(255, 138, 0, 0.08), transparent 35%),
    radial-gradient(circle at 10% 70%, rgba(124, 77, 255, 0.08), transparent 40%);
  z-index: -1;
}

.lang {
  display: none;
}

body[data-lang="ru"] .lang[data-lang="ru"],
body[data-lang="en"] .lang[data-lang="en"] {
  display: inline;
}

body[data-lang="ru"] .lang-block.lang[data-lang="ru"],
body[data-lang="en"] .lang-block.lang[data-lang="en"] {
  display: flex;
}

body[data-lang="ru"] .lang-pane.lang[data-lang="ru"],
body[data-lang="en"] .lang-pane.lang[data-lang="en"] {
  display: block;
}

body[data-lang="ru"] .lang-split .lang[data-lang="ru"],
body[data-lang="en"] .lang-split .lang[data-lang="en"] {
  display: block;
}

body[data-lang="ru"] .status-column .lang[data-lang="ru"],
body[data-lang="en"] .status-column .lang[data-lang="en"] {
  display: block;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 64px;
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: rgba(11, 11, 14, 0.75);
  border-bottom: 1px solid var(--border);
  z-index: 10;
  gap: 20px;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo img {
  width: 192px;
  height: 120px;
  border-radius: 10px;
  background: #0b0b0e;
  padding: 6px;
  border: 1px solid rgba(255, 138, 0, 0.35);
  box-shadow: 0 0 0 1px rgba(124, 77, 255, 0.35), 0 16px 30px rgba(0, 0, 0, 0.55);
  object-fit: contain;
}

.logo-title {
  font-weight: 700;
  letter-spacing: 0.4px;
  font-size: 1.1rem;
}

.logo-sub {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.nav {
  display: flex;
  gap: 24px;
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(18, 18, 22, 0.7);
  border: 1px solid var(--border);
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn[aria-pressed="true"] {
  background: rgba(255, 138, 0, 0.2);
  color: var(--accent-orange);
  box-shadow: 0 0 12px rgba(255, 138, 0, 0.35);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 120px;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  align-items: center;
  margin-top: 32px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(26, 26, 34, 0.7);
  font-size: 0.85rem;
  color: var(--text-muted);
  width: fit-content;
}

.hero-block {
  background: rgba(26, 26, 34, 0.6);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.hero-block h1 {
  font-size: 2rem;
  margin: 0 0 16px 0;
}

.lead {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.tagline {
  margin-top: 16px;
  font-weight: 600;
  color: var(--accent-orange);
  letter-spacing: 0.6px;
}

.lang-label {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  margin-bottom: 16px;
}

.cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 12px 20px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  background: var(--accent-orange);
  color: #0b0b0e;
  box-shadow: 0 10px 30px rgba(255, 138, 0, 0.3);
}

.btn.primary:hover {
  background: var(--accent-orange-hover);
  transform: translateY(-1px);
}

.btn.primary:active {
  background: var(--accent-orange-active);
  transform: translateY(1px);
}

.btn.secondary {
  background: transparent;
  border: 1px solid var(--accent-purple);
  color: var(--text-primary);
}

.btn.secondary:hover {
  border-color: var(--accent-purple-light);
  box-shadow: 0 0 16px rgba(124, 77, 255, 0.3);
}

.status-row,
.status-stack {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.status-grid {
  display: grid;
  gap: 16px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(18, 18, 22, 0.6);
}

.status-badge {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  border: 1px solid transparent;
  font-family: "JetBrains Mono", "Consolas", monospace;
  letter-spacing: 0.4px;
}

.status-badge.connected {
  background: rgba(255, 138, 0, 0.15);
  border-color: rgba(255, 138, 0, 0.4);
  color: var(--accent-orange);
}

.status-badge.rerouting {
  background: rgba(124, 77, 255, 0.16);
  border-color: rgba(124, 77, 255, 0.4);
  color: var(--accent-purple-light);
}

.status-badge.dns {
  background: rgba(124, 77, 255, 0.1);
  border-color: rgba(124, 77, 255, 0.3);
  color: var(--accent-purple);
}

.status-badge.queued {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
}

.hero-art {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  min-height: 420px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(124, 77, 255, 0.25);
  background: radial-gradient(circle at top left, rgba(124, 77, 255, 0.3), transparent 50%),
    radial-gradient(circle at bottom right, rgba(255, 138, 0, 0.25), transparent 55%),
    linear-gradient(140deg, rgba(18, 18, 22, 0.9), rgba(11, 11, 14, 0.95));
  padding: 28px;
  display: flex;
  align-items: flex-end;
}

.routing-panel {
  width: 100%;
  background: rgba(18, 18, 22, 0.7);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  display: grid;
  gap: 16px;
  position: relative;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.panel-matrix {
  position: relative;
  min-height: 220px;
  display: grid;
  gap: 12px;
}

.panel-svg {
  position: absolute;
  inset: 34px 0 0 0;
  width: 100%;
  height: calc(100% - 34px);
  pointer-events: none;
  z-index: 2;
}

.panel-route-main {
  fill: none;
  stroke: rgba(255, 138, 0, 0.55);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.panel-route-alt {
  fill: none;
  stroke: rgba(124, 77, 255, 0.45);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 8 10;
}

.panel-node {
  fill: rgba(255, 138, 0, 0.8);
  stroke: rgba(255, 138, 0, 0.4);
  stroke-width: 3;
}

.panel-node.alt {
  fill: rgba(124, 77, 255, 0.85);
  stroke: rgba(124, 77, 255, 0.5);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  position: relative;
  z-index: 1;
}

.panel-cell {
  height: 46px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(26, 26, 34, 0.7);
}

.panel-cell.active {
  border-color: rgba(255, 138, 0, 0.5);
  box-shadow: inset 0 0 0 1px rgba(255, 138, 0, 0.3), 0 0 20px rgba(255, 138, 0, 0.2);
}

.panel-cell.route {
  border-color: rgba(124, 77, 255, 0.4);
  box-shadow: inset 0 0 0 1px rgba(124, 77, 255, 0.25);
}

.matrix-legend {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.legend-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 8px;
  border-radius: 8px;
  background: rgba(18, 18, 22, 0.7);
  border: 1px solid var(--border);
}

.matrix-note {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.panel-footer {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.section {
  margin-top: 72px;
  display: grid;
  gap: 24px;
}

.section-title {
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.6px;
}

.section-lede {
  color: var(--text-muted);
  max-width: 720px;
}

.bilingual,
.transport-grid,
.feature-grid,
.stack-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: stretch;
}

.lang-block {
  background: rgba(26, 26, 34, 0.6);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  flex-direction: column;
  gap: 16px;
}

.clean-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.clean-list li {
  padding: 12px 16px;
  background: rgba(18, 18, 22, 0.7);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.card {
  background: rgba(26, 26, 34, 0.7);
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
}

.lang-split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.note {
  padding: 14px 18px;
  border-left: 3px solid var(--accent-purple);
  background: rgba(124, 77, 255, 0.12);
  border-radius: 12px;
  color: var(--text-muted);
}

.mono {
  font-family: "JetBrains Mono", "Consolas", monospace;
}

.cta-card {
  background: linear-gradient(120deg, rgba(255, 138, 0, 0.12), rgba(124, 77, 255, 0.2));
  border: 1px solid rgba(124, 77, 255, 0.5);
  border-radius: 24px;
  padding: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cta-title {
  font-size: 1.6rem;
  font-weight: 700;
}

.cta-sub {
  color: var(--text-muted);
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer {
  padding: 32px 24px 48px;
  text-align: center;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
  }

  .hero-art {
    min-height: 320px;
  }
}

@media (max-width: 600px) {
  .hero-block {
    padding: 18px;
  }

  .cta-card {
    padding: 22px;
  }

  .logo img {
    width: 140px;
    height: 90px;
  }
}