:root {
  color-scheme: dark;
  --bg: #090d14;
  --panel: #111827;
  --text: #f8fafc;
  --muted: #b6c2d2;
  --line: rgba(255,255,255,.13);
  --gold: #f6b85a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(99,164,255,.14), transparent 28%),
    radial-gradient(circle at top right, rgba(246,184,90,.12), transparent 24%),
    linear-gradient(180deg, #090d14, #0d1420 52%, #090d14);
  color: var(--text);
}

a {
  color: inherit;
}

.np-doc-wrap {
  width: min(1120px, calc(100% - 28px));
  margin: 0 auto;
}

.np-doc-header {
  padding: 18px 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.np-doc-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.np-doc-logo img {
  display: block;
  width: min(264px, 56vw);
  max-width: 264px;
  height: auto;
}

.np-doc-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.np-doc-nav a,
.np-doc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.045);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 800;
}

.np-doc-btn.primary {
  background: linear-gradient(135deg, #f6b85a, #f59e0b);
  color: #111827;
  border-color: rgba(246,184,90,.6);
}

.np-doc-hero {
  margin: 18px 0;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    radial-gradient(circle at 92% 10%, rgba(246,184,90,.14), transparent 24%),
    linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
  box-shadow: 0 22px 70px rgba(0,0,0,.22);
}

.np-kicker {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #ffe4b2;
  background: rgba(246,184,90,.10);
  border: 1px solid rgba(246,184,90,.22);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 920px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.02;
  letter-spacing: -1.2px;
}

.np-hero-sub {
  max-width: 880px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.np-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.np-badge {
  display: inline-flex;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.055);
  color: #e8f1ff;
  font-size: 13px;
  font-weight: 800;
}

.np-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 20px;
  align-items: start;
}

.np-content {
  display: grid;
  gap: 16px;
}

.np-block,
.np-side-card,
.np-related,
.np-workflow {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(17,24,39,.76);
  box-shadow: 0 16px 40px rgba(0,0,0,.18);
}

.np-block {
  padding: 24px;
}

.np-block h2 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 25px;
  line-height: 1.2;
}

.np-block p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.np-workflow {
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.np-step {
  min-height: 92px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}

.np-step strong {
  display: block;
  color: #fff;
  font-size: 14px;
  margin-bottom: 6px;
}

.np-step span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.np-aside {
  position: sticky;
  top: 12px;
  display: grid;
  gap: 14px;
}

.np-side-card {
  padding: 18px;
}

.np-side-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.np-side-card p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.np-side-card .np-doc-btn {
  width: 100%;
  margin-top: 8px;
}

.np-related {
  margin: 20px 0 34px;
  padding: 22px;
}

.np-related h2 {
  margin: 0 0 14px;
  font-size: 24px;
}

.np-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.np-related-grid a {
  min-height: 74px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.05);
  color: #f8fafc;
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
  line-height: 1.35;
}

.np-footer {
  margin: 28px 0 34px;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}

.np-guide-index {
  margin: 20px 0 34px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.np-guide-index a {
  display: block;
  min-height: 120px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.045);
  color: #fff;
  text-decoration: none;
}

.np-guide-index strong {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
}

.np-guide-index span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .np-doc-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .np-doc-nav {
    justify-content: flex-start;
  }

  .np-grid {
    grid-template-columns: 1fr;
  }

  .np-aside {
    position: static;
  }

  .np-workflow {
    grid-template-columns: 1fr 1fr;
  }

  .np-related-grid {
    grid-template-columns: 1fr 1fr;
  }

  .np-guide-index {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .np-doc-wrap {
    width: min(100% - 18px, 100%);
  }

  .np-doc-hero {
    padding: 24px 18px;
    border-radius: 24px;
  }

  .np-block {
    padding: 19px;
  }

  .np-workflow {
    grid-template-columns: 1fr;
  }

  .np-related-grid {
    grid-template-columns: 1fr;
  }

  .np-guide-index {
    grid-template-columns: 1fr;
  }

  .np-doc-nav a,
  .np-doc-btn {
    min-height: 36px;
    padding: 0 11px;
    font-size: 12px;
  }
}