:root {
  --brand: #1d5fbf;
  --brand-dark: #12408a;
  --accent: #8cc63f;
  --ink: #1f2933;
  --muted: #5f6b7a;
  --line: #e3e8ef;
  --bg: #ffffff;
  --soft: #f5f7fa;
  --radius: 8px;
  --wrap: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.75 "Nunito Sans", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
img { max-width: 100%; height: auto; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; padding-top: 40px; padding-bottom: 60px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* header */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.header-row { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.logo img { height: 52px; width: auto; display: block; }
.main-nav { flex: 1; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 20px; }
.main-nav a { color: var(--ink); font-weight: 600; font-size: 15px; }
.main-nav a:hover { color: var(--brand); text-decoration: none; }
.btn-quote {
  display: inline-block; background: var(--accent); color: #fff; font-weight: 700; font-size: 14px;
  padding: 10px 20px; border-radius: 999px; letter-spacing: .03em; white-space: nowrap;
}
.btn-quote:hover { background: #79b12f; text-decoration: none; }
.nav-toggle, .nav-burger { display: none; }

/* hero */
.hero {
  background: linear-gradient(rgba(20, 24, 32, .62), rgba(20, 24, 32, .62)),
    url("/wp-content/uploads/2025/06/New-Project-73.jpg") center / cover no-repeat;
  color: #fff; text-align: center; padding: 72px 0;
}
.hero h1 { margin: 0 auto; max-width: 900px; font-size: clamp(26px, 3.4vw, 40px); line-height: 1.25; }

/* layout */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; padding-top: 40px; padding-bottom: 60px; }
.post { min-width: 0; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 18px; color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.meta .cats a { margin-right: 6px; }

.toc { border: 1px solid var(--line); border-radius: var(--radius); background: var(--soft); padding: 14px 20px; margin-bottom: 28px; }
.toc summary { font-weight: 700; cursor: pointer; }
.toc ul { margin: 10px 0 0; padding-left: 0; list-style: none; font-size: 15px; }
.toc li { padding: 3px 0; }
.toc li.l3 { padding-left: 18px; font-size: 14px; }

.entry h2 { font-size: 28px; line-height: 1.3; margin: 40px 0 14px; scroll-margin-top: 90px; }
.entry h3 { font-size: 21px; line-height: 1.35; margin: 28px 0 10px; scroll-margin-top: 90px; }
.entry p, .entry ul, .entry ol { margin: 0 0 16px; }
.entry img { border-radius: var(--radius); display: block; margin: 20px auto; }
.entry figure { margin: 20px 0; }
.entry figcaption { text-align: center; color: var(--muted); font-size: 14px; }
.entry blockquote { margin: 20px 0; padding: 12px 20px; border-left: 4px solid var(--brand); background: var(--soft); }
.entry code { background: var(--soft); padding: 1px 5px; border-radius: 4px; font-size: .92em; }
.entry table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px; display: block; overflow-x: auto; }
.entry th, .entry td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; vertical-align: top; }
.entry th { background: var(--soft); }

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; border-top: 1px solid var(--line); padding-top: 24px; }
.post-nav a { display: block; color: var(--ink); font-weight: 600; }
.post-nav .next { text-align: right; grid-column: 2; }
.post-nav small { display: block; color: var(--muted); font-weight: 400; text-transform: uppercase; font-size: 12px; letter-spacing: .06em; }

/* sidebar */
.sidebar { display: flex; flex-direction: column; gap: 28px; }
.widget h3 { font-size: 18px; margin: 0 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--brand); }
.widget ul { list-style: none; margin: 0; padding: 0; }
.widget li { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 1.5; }
.widget .recent span { display: block; color: var(--muted); font-size: 13px; }
.author { text-align: center; font-size: 15px; }
.author img { width: 120px; height: 120px; object-fit: cover; border-radius: 50%; }
.author h3 { border: 0; padding: 0; margin: 8px 0; }
.author ul { text-align: left; padding-left: 4px; }
.author li { border: 0; padding: 2px 0; }
.author li::before { content: "• "; }
.banner img { border-radius: var(--radius); display: block; }

/* listing */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; background: #fff; }
.card .thumb img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; display: block; }
.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.card h2 { font-size: 18px; line-height: 1.4; margin: 0 0 8px; }
.card h2 a { color: var(--ink); }
.card p { color: var(--muted); font-size: 14px; margin: 0 0 12px; flex: 1; }
.card-meta { font-size: 13px; color: var(--muted); }
.pager { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 32px; }
.pager a, .pager span { padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; font-size: 14px; }
.pager .cur { background: var(--brand); color: #fff; border-color: var(--brand); }
.pager .gap { border: 0; }

/* footer */
.help { background: var(--brand); color: #fff; text-align: center; padding: 40px 0; }
.help h3 { margin: 0 0 8px; font-size: 26px; }
.help p { margin: 0 0 18px; opacity: .9; }
.site-footer { background: #111827; color: #c9d1dc; padding: 48px 0 20px; font-size: 14px; }
.site-footer a { color: #c9d1dc; }
.f-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.f-col h4 { color: #fff; margin: 0 0 12px; letter-spacing: .05em; }
.f-col ul { list-style: none; margin: 0; padding: 0; }
.f-col li { padding: 4px 0; }
.copy { border-top: 1px solid #2b3445; margin-top: 32px; padding-top: 16px; text-align: center; color: #8a94a6; }

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .f-grid { grid-template-columns: 1fr 1fr; }
  .header-row { flex-wrap: wrap; }
  .nav-burger { display: block; order: 3; width: 28px; height: 22px; position: relative; cursor: pointer; margin-left: auto; }
  .nav-burger span, .nav-burger span::before, .nav-burger span::after {
    content: ""; position: absolute; left: 0; width: 28px; height: 3px; background: var(--brand); border-radius: 2px;
  }
  .nav-burger span { top: 9px; }
  .nav-burger span::before { top: -9px; }
  .nav-burger span::after { top: 9px; }
  .btn-quote { order: 2; }
  .main-nav { order: 4; flex-basis: 100%; display: none; padding-bottom: 12px; }
  .nav-toggle:checked ~ .main-nav { display: block; }
  .main-nav ul { flex-direction: column; gap: 10px; }
}
@media (max-width: 560px) {
  .f-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0; }
  .logo img { height: 40px; }
  .entry h2 { font-size: 24px; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav .next { grid-column: 1; text-align: left; }
}