html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--dn-ink);
  background: linear-gradient(90deg, rgba(16,26,44,.035) 1px, transparent 1px) 0 0 / 34px 34px, var(--dn-paper);
  font: 16px/1.75 Georgia, "Times New Roman", serif;
}

a { color: inherit; }
.dnv-doc-header { background: var(--dn-night); border-bottom: 4px solid var(--dn-lime); }
.dnv-doc-header__inner { width: min(100% - 40px, 1180px); margin-inline: auto; padding: 22px 0; }
.dnv-doc-header__brand { color: var(--dn-white); text-decoration: none; font: 900 22px/1 var(--dn-display); letter-spacing: .18em; text-transform: uppercase; }
.dnv-doc-header__brand::after { content: "."; color: var(--dn-lime); }

.dnv-doc-hero {
  padding: 70px max(24px, calc((100vw - 1180px) / 2)) 54px;
  color: var(--dn-white);
  background: radial-gradient(circle at 82% 22%, rgba(110,216,209,.22), transparent 24%), linear-gradient(135deg, var(--dn-night), #203254);
}
.dnv-doc-hero__eyebrow { display: inline-block; margin-bottom: 18px; padding: 7px 11px; color: var(--dn-night); background: var(--dn-lime); border-radius: 6px; font: 900 12px/1 var(--dn-ui); letter-spacing: .13em; text-transform: uppercase; }
.dnv-doc-hero__title { max-width: 800px; margin: 0 0 18px; font: 900 clamp(34px, 5vw, 62px)/1.04 var(--dn-display); letter-spacing: -.045em; }
.dnv-doc-hero__lead { max-width: 740px; margin: 0; color: rgba(255,255,255,.75); font: 17px/1.7 var(--dn-ui); }
.dnv-doc-hero__meta { margin: 20px 0 0; color: var(--dn-sky); font: 700 13px/1.4 var(--dn-ui); }

.dnv-doc-layout { width: min(100% - 40px, 1180px); margin: 0 auto; padding: 54px 0 90px; display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 42px; align-items: start; }
.dnv-doc-toc { position: sticky; top: 24px; padding: 22px; background: var(--dn-night); color: var(--dn-white); border-radius: 14px; box-shadow: 0 18px 44px rgba(16,26,44,.14); }
.dnv-doc-toc__title { margin-bottom: 14px; color: var(--dn-lime); font: 900 12px/1.2 var(--dn-ui); letter-spacing: .13em; text-transform: uppercase; }
.dnv-doc-toc__list { margin: 0; padding: 0; list-style: none; counter-reset: dn-toc; }
.dnv-doc-toc__list li { counter-increment: dn-toc; border-top: 1px solid rgba(255,255,255,.1); }
.dnv-doc-toc__link { display: grid; grid-template-columns: 24px 1fr; gap: 8px; padding: 10px 0; color: rgba(255,255,255,.72); text-decoration: none; font: 13px/1.4 var(--dn-ui); }
.dnv-doc-toc__link::before { content: counter(dn-toc, decimal-leading-zero); color: var(--dn-sky); font-weight: 800; }
.dnv-doc-toc__link:hover { color: var(--dn-white); }

.dnv-doc-body { min-width: 0; }
.dnv-doc-section { position: relative; margin-bottom: 20px; padding: 34px 38px; background: var(--dn-white); border: 1px solid var(--dn-line); border-radius: 16px; box-shadow: 0 10px 30px rgba(19,29,47,.05); scroll-margin-top: 24px; }
.dnv-doc-section::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: linear-gradient(var(--dn-lime), var(--dn-sky)); border-radius: 16px 0 0 16px; }
.dnv-doc-section__title { margin: 0 0 16px; color: var(--dn-night); font: 900 clamp(23px, 3vw, 31px)/1.15 var(--dn-display); letter-spacing: -.025em; }
.dnv-doc-section h3 { margin: 24px 0 8px; color: var(--dn-night); font: 800 18px/1.3 var(--dn-ui); }
.dnv-doc-section p { margin: 0 0 14px; color: var(--dn-muted); }
.dnv-doc-section ul, .dnv-doc-section ol { margin: 0 0 18px; padding-left: 22px; color: var(--dn-muted); }
.dnv-doc-section li { margin-bottom: 8px; padding-left: 4px; }
.dnv-doc-section li::marker { color: var(--dn-lime-deep); font-weight: 900; }
.dnv-doc-section strong { color: var(--dn-ink); }
.dnv-doc-section > *:last-child { margin-bottom: 0; }

.dnv-doc-note { margin: 22px 0; padding: 20px 22px; background: #eff8dc; border: 1px solid #d4e7aa; border-radius: 10px; box-shadow: inset 5px 0 0 var(--dn-lime-deep); }
.dnv-doc-note p { margin: 0; color: #364522; }
.dnv-doc-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin: 22px 0; }
.dnv-doc-card { padding: 20px; background: #f4f7fa; border: 1px solid var(--dn-line); border-radius: 12px; }
.dnv-doc-card__title { margin-bottom: 6px; color: var(--dn-night); font: 900 14px/1.35 var(--dn-ui); }
.dnv-doc-card__text { color: var(--dn-muted); font: 14px/1.6 var(--dn-ui); }

.dnv-doc-table-scroll { overflow-x: auto; }
.dnv-doc-table { width: 100%; margin: 20px 0; border-collapse: collapse; background: var(--dn-white); font-family: var(--dn-ui); }
.dnv-doc-table th { padding: 14px 16px; color: var(--dn-night); background: var(--dn-lime); text-align: left; font-size: 13px; }
.dnv-doc-table td { padding: 14px 16px; color: var(--dn-muted); border-bottom: 1px solid var(--dn-line); font-size: 14px; }
.dnv-doc-table tr:last-child td { border-bottom: 0; }

.dnv-doc-steps { display: grid; gap: 12px; margin: 22px 0; }
.dnv-doc-step { display: grid; grid-template-columns: 50px minmax(0, 1fr); gap: 16px; padding: 18px; background: #f4f7fa; border-radius: 12px; }
.dnv-doc-step__num { width: 46px; height: 46px; display: grid; place-items: center; color: var(--dn-lime); background: var(--dn-night); border-radius: 9px; font: 900 17px/1 var(--dn-ui); }
.dnv-doc-step__title { margin-bottom: 4px; color: var(--dn-night); font: 900 15px/1.3 var(--dn-ui); }
.dnv-doc-step__text { color: var(--dn-muted); font: 14px/1.6 var(--dn-ui); }

.dnv-site-footer { padding: 34px 20px; color: rgba(255,255,255,.65); background: var(--dn-night); text-align: center; font-family: var(--dn-ui); }
.dnv-site-footer__inner { max-width: 900px; margin: 0 auto; }
.dnv-site-footer__nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 24px; margin-bottom: 16px; }
.dnv-site-footer__nav a { color: var(--dn-lime); font-size: 13px; text-decoration: none; }
.dnv-site-footer__copy { margin: 0 0 10px; font-size: 12px; }
.dnv-site-footer__disclaimer { max-width: 760px; margin: 0 auto; font-size: 12px; line-height: 1.65; }

@media (max-width: 900px) {
  .dnv-doc-layout { grid-template-columns: 1fr; gap: 24px; }
  .dnv-doc-toc { position: static; }
  .dnv-doc-toc__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 20px; }
}
@media (max-width: 580px) {
  .dnv-doc-hero { padding-top: 48px; padding-bottom: 42px; }
  .dnv-doc-layout { width: min(100% - 28px, 1180px); padding-top: 28px; }
  .dnv-doc-toc__list { grid-template-columns: 1fr; }
  .dnv-doc-section { padding: 26px 22px 26px 26px; }
  .dnv-doc-step { grid-template-columns: 40px 1fr; }
  .dnv-doc-step__num { width: 40px; height: 40px; }
}