:root {
  --ink: #0a1614; --deep: #0e2320; --moss: #16332e; --verdigris: #3fa98f; --verdilight: #7ed0b8;
  --copper: #c4703c; --copperlight: #e39a63; --linen: #edf1ec; --paper: #f7f9f6;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: 'Golos Text', system-ui, sans-serif; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: var(--verdigris); }
a:hover { color: #2c8770; }
::selection { background: var(--verdigris); color: #fff; }

.top { position: sticky; top: 0; z-index: 20; background: var(--ink); border-bottom: 1px solid rgba(255,255,255,.1); }
.top-in { display: flex; align-items: center; gap: 22px; max-width: 1280px; margin: 0 auto; padding: 0 20px; height: 64px; }
.logo { font-family: 'Unbounded', sans-serif; font-weight: 800; font-size: 19px; letter-spacing: -.02em; color: var(--linen); text-decoration: none; }
.logo span { color: var(--verdigris); }
.top-guide { color: var(--verdilight); text-decoration: none; font-size: 14px; }
.top-gap { flex: 1; }
.top-btn { display: inline-block; padding: 9px 18px; border-radius: 999px; border: 1px solid rgba(255,255,255,.25); color: var(--linen); text-decoration: none; font-size: 14px; font-weight: 500; }
.top-btn:hover { border-color: var(--verdigris); color: var(--verdilight); }
.top-btn-copper { background: var(--copper); border-color: var(--copper); color: #fff; }
.top-btn-copper:hover { background: var(--copperlight); border-color: var(--copperlight); color: #fff; }

.layout { display: grid; grid-template-columns: 270px minmax(0, 1fr) 210px; gap: 40px; max-width: 1280px; margin: 0 auto; padding: 32px 20px 64px; align-items: start; }
.side-desktop { position: sticky; top: 88px; max-height: calc(100vh - 110px); overflow: auto; }
.side-mobile { display: none; }
.nav-sec { margin-top: 18px; }
.nav-sec-title { font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: .18em; color: #5d6f6a; margin-bottom: 6px; }
.nav-link { display: block; padding: 6px 10px; margin: 1px 0; border-radius: 8px; color: var(--ink); text-decoration: none; font-size: 14.5px; line-height: 1.4; }
.nav-link:hover { background: var(--linen); color: var(--ink); }
.nav-link.is-current { background: var(--moss); color: var(--linen); }
.nav-home { font-weight: 600; }

.badge-new { display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 999px; background: var(--copper); color: #fff; font-size: 11px; font-weight: 600; vertical-align: middle; line-height: 1.6; }
.badge-new[hidden], [hidden] { display: none !important; }

.main { min-width: 0; }
.main h1 { font-family: 'Unbounded', sans-serif; font-weight: 600; font-size: clamp(26px, 3.4vw, 38px); line-height: 1.2; letter-spacing: -.02em; margin: 0 0 14px; }
.lead { font-size: 18px; color: #3d4f4a; margin: 0 0 28px; }
.crumbs { font-size: 13px; color: #5d6f6a; margin-bottom: 10px; }
.crumbs a { color: inherit; }
.meta { font-size: 13px; color: #5d6f6a; margin-bottom: 26px; }

.prose { font-size: 16.5px; }
.prose h2 { font-family: 'Unbounded', sans-serif; font-weight: 600; font-size: 22px; line-height: 1.3; margin: 42px 0 12px; }
.prose h3 { font-size: 18px; margin: 28px 0 8px; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; }
.prose li { margin: 4px 0; }
.prose img { max-width: 100%; height: auto; border-radius: 12px; border: 1px solid rgba(10,22,20,.12); margin: 8px 0; }
.prose code { font-family: 'JetBrains Mono', monospace; font-size: .88em; background: var(--linen); padding: 2px 6px; border-radius: 6px; }
.prose pre { background: var(--ink); color: var(--linen); padding: 16px; border-radius: 12px; overflow: auto; }
.prose pre code { background: none; padding: 0; color: inherit; }
.prose blockquote { margin: 18px 0; padding: 14px 18px; background: #e6f3ee; border-left: 4px solid var(--verdigris); border-radius: 0 12px 12px 0; }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose kbd { font-family: 'JetBrains Mono', monospace; font-size: .85em; background: #fff; border: 1px solid rgba(10,22,20,.2); border-bottom-width: 2px; border-radius: 6px; padding: 1px 6px; }
.table-wrap { overflow-x: auto; margin: 0 0 18px; }
.prose table { border-collapse: collapse; min-width: 100%; font-size: 15px; }
.prose th, .prose td { border: 1px solid rgba(10,22,20,.15); padding: 8px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--linen); }

.toc { position: sticky; top: 88px; font-size: 13.5px; }
.toc-title { font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: .18em; color: #5d6f6a; margin-bottom: 8px; }
.toc a { display: block; padding: 4px 0 4px 12px; border-left: 2px solid rgba(10,22,20,.12); color: #3d4f4a; text-decoration: none; }
.toc a:hover { border-left-color: var(--verdigris); color: var(--ink); }

.sec { margin: 34px 0; }
.sec h2, .month { font-family: 'Unbounded', sans-serif; font-weight: 600; font-size: 20px; margin: 0 0 14px; }
.month { text-transform: capitalize; }
.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.cards a { display: block; height: 100%; padding: 16px 18px; background: #fff; border: 1px solid rgba(10,22,20,.12); border-radius: 14px; text-decoration: none; color: var(--ink); }
.cards a:hover { border-color: var(--verdigris); }
.cards b { display: block; font-weight: 600; }
.cards span { display: block; margin-top: 4px; font-size: 14px; color: #5d6f6a; }
.cards .badge-new { display: inline-block; margin-top: 0; color: #fff; }
.sec-new { padding: 18px; border-radius: 16px; background: #fbeee4; border: 1px solid #f0d3bd; }
.sec-new .cards a { border-color: #f0d3bd; }
.more { margin: 12px 0 0; font-size: 14px; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 40px; }
.pager a { display: block; padding: 14px 18px; border: 1px solid rgba(10,22,20,.15); border-radius: 14px; text-decoration: none; color: var(--ink); background: #fff; }
.pager a:hover { border-color: var(--verdigris); }
.pager small { display: block; font-size: 12px; color: #5d6f6a; }
.pager-next { text-align: right; }
.cta { margin-top: 28px; padding: 18px 20px; border-radius: 14px; background: var(--deep); color: var(--linen); display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.cta b { font-weight: 600; }
.cta .top-btn { margin-left: auto; }

.foot { border-top: 1px solid rgba(10,22,20,.12); padding: 22px 20px; text-align: center; font-size: 13px; color: #5d6f6a; }
.foot a { color: inherit; }

@media (max-width: 1180px) {
  .layout { grid-template-columns: 250px minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; gap: 16px; padding-top: 18px; }
  .side-desktop { display: none; }
  .side-mobile { display: block; border: 1px solid rgba(10,22,20,.15); border-radius: 12px; background: #fff; padding: 4px 12px; }
  .side-mobile summary { cursor: pointer; padding: 10px 0; font-weight: 600; }
  .top-guide { display: none; }
  .top-in { gap: 10px; }
  .top-btn { padding: 8px 14px; }
  .pager { grid-template-columns: 1fr; }
  .cta .top-btn { margin-left: 0; }
}