:root {
  color-scheme: light;
  --bg: #faf8f4;
  --bg-2: #f3efe8;
  --bg-3: #ebe5da;
  --card: #ffffff;
  --ink: #1a1714;
  --ink-2: #4a443d;
  --ink-3: #80776d;
  --ink-4: #b8b0a4;
  --line: rgba(26, 23, 20, .09);
  --line-2: rgba(26, 23, 20, .15);
  --accent: #ff6a1a;
  --accent-soft: #fff1e6;
  --blue: #2563eb;
  --blue-soft: #eff6ff;
  --green: #168354;
  --green-soft: #ecf8f1;
  --cyan: #0891b2;
  --cyan-soft: #ecfeff;
  --shadow: 0 1px 0 rgba(26, 23, 20, .02), 0 24px 50px -24px rgba(26, 23, 20, .22);
  --max: 1180px;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1117;
  --bg-2: #121820;
  --bg-3: #1a2430;
  --card: #161b22;
  --ink: #f8fafc;
  --ink-2: #d6dde8;
  --ink-3: #9aa7b8;
  --ink-4: #657386;
  --line: rgba(214, 221, 232, .10);
  --line-2: rgba(214, 221, 232, .18);
  --accent: #ff8a3d;
  --accent-soft: rgba(255, 138, 61, .13);
  --blue: #60a5fa;
  --blue-soft: rgba(96, 165, 250, .13);
  --green: #34d399;
  --green-soft: rgba(52, 211, 153, .12);
  --cyan: #22d3ee;
  --cyan-soft: rgba(34, 211, 238, .12);
  --shadow: 0 20px 54px rgba(0, 0, 0, .30);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 16px; line-height: 1.58; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button { font: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-variant-numeric: tabular-nums; }

.nav { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(14px) saturate(150%); }
.nav-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-size: 18px; font-weight: 760; letter-spacing: 0; }
.mark { width: 40px; height: 40px; display: inline-grid; place-items: center; color: var(--ink); flex: 0 0 auto; }
.mark svg { width: 36px; height: 36px; display: block; }
.tower-fill { fill: currentColor; }
.tower-cut { fill: var(--bg); stroke: var(--bg); }
.tower-line { stroke: var(--accent); }
.nav-links, .nav-actions { display: flex; align-items: center; gap: 18px; }
.nav-links a { color: var(--ink-2); font-size: 13.5px; font-weight: 640; }
.nav-links a[aria-current="page"], .nav-links a:hover { color: var(--ink); }
.theme-btn { width: 38px; min-width: 38px; height: 38px; border: 1px solid var(--line-2); border-radius: 10px; background: transparent; color: var(--ink); }
.btn { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 10px; border: 1px solid var(--line-2); padding: 0 16px; font-weight: 720; letter-spacing: 0; transition: transform .1s ease, background .16s ease, border-color .16s ease; }
.btn:hover, .theme-btn:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--line-2)); color: inherit; }
.btn-accent, .btn-accent:visited { background: var(--accent); border-color: var(--accent); color: #fff !important; }
.btn-accent:hover, .btn-accent:focus-visible { color: #fff !important; }
.btn-ghost { background: transparent; color: var(--ink); }

.chip-row { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 24px; }
.chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--bg-2); color: var(--ink-2); border-radius: 999px; padding: 5px 10px; font-size: 11.5px; font-weight: 720; }
.chip.accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.chip.green { background: var(--green-soft); color: var(--green); border-color: transparent; }
.chip.blue { background: var(--blue-soft); color: var(--blue); border-color: transparent; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.page-hero { padding: 38px 0 22px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .72fr); gap: 44px; align-items: center; }
.eyebrow { color: var(--accent); font-size: 11px; font-weight: 760; letter-spacing: 0; text-transform: uppercase; }
.h1 { margin: 0 0 20px; font-size: clamp(42px, 6vw, 76px); line-height: .99; letter-spacing: 0; font-weight: 660; text-wrap: balance; }
.h2 { margin: 0 0 14px; font-size: clamp(28px, 3.2vw, 48px); line-height: 1.06; letter-spacing: 0; font-weight: 650; text-wrap: balance; }
.h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.2; letter-spacing: 0; font-weight: 700; }
.lede { color: var(--ink-2); font-size: clamp(16px, 1.45vw, 19px); line-height: 1.55; max-width: 64ch; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 28px; }

.hero-panel { background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.hero-panel img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-bottom: 1px solid var(--line); }
.hero-panel-body { padding: 18px; display: grid; gap: 8px; }
.stat-line { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat { border: 1px solid var(--line); border-radius: 12px; padding: 12px; background: var(--bg); }
.stat strong { display: block; font-size: 21px; line-height: 1; }
.stat span { color: var(--ink-3); font-size: 11px; }

section { padding: 34px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 22px; flex-wrap: wrap; margin-bottom: 20px; }
.section-head p { margin: 0; }
.blog-listing { padding: 40px 0 52px; }
.blog-heading { max-width: 760px; margin-bottom: 24px; }
.blog-heading .h1 { margin-bottom: 10px; }
.blog-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 18px; align-items: start; }
.post-list { display: grid; gap: 14px; }
.blog-try p { margin: 12px 0 14px; color: var(--ink-2); font-size: 14px; line-height: 1.45; }
.blog-try .btn { width: 100%; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; box-shadow: 0 1px 0 rgba(26, 23, 20, .02); }
.card p { color: var(--ink-2); margin: 0; }
.post-card { display: grid; grid-template-columns: minmax(220px, .8fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.post-card > a { display: block; align-self: start; }
.post-card picture { display: block; align-self: start; }
.post-card img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 12px; border: 1px solid var(--line); background: var(--bg-2); }
.post-meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--ink-3); font-size: 13px; margin-bottom: 12px; }
.post-card h2 { margin: 0 0 12px; font-size: clamp(26px, 3vw, 38px); line-height: 1.08; letter-spacing: 0; font-weight: 650; text-wrap: balance; }
.post-card p { margin-bottom: 18px; }
.topic-list { display: grid; gap: 12px; }
.topic-list .card { display: grid; gap: 10px; min-height: 150px; }
.topic-list strong { font-size: 18px; }

.post-hero { padding: 36px 0 24px; }
.breadcrumbs { display: flex; gap: 8px; flex-wrap: wrap; color: var(--ink-3); font-size: 13px; margin-bottom: 18px; }
.breadcrumbs a { color: var(--ink-2); }
.post-title { margin: 0 0 20px; font-size: clamp(42px, 6vw, 76px); line-height: .99; letter-spacing: 0; font-weight: 660; text-wrap: balance; max-width: 980px; }
.post-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 420px); gap: 32px; align-items: end; }
.byline { display: flex; flex-wrap: wrap; gap: 12px; color: var(--ink-3); font-size: 14px; }
.feature-figure { margin: 22px 0 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--bg-2); box-shadow: var(--shadow); }
.feature-figure picture { display: flex; justify-content: center; background: var(--bg-2); }
.feature-figure img { width: auto; max-width: 100%; max-height: min(64vh, 620px); height: auto; margin: 0 auto; object-fit: contain; object-position: center; }
.feature-figure figcaption { padding: 12px 16px; color: var(--ink-3); font-size: 13px; border-top: 1px solid var(--line); }

.post-shell { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 34px; align-items: start; padding-bottom: 52px; }
.article-body { min-width: 0; }
.article-body p, .article-body li { color: var(--ink-2); }
.article-body p { margin: 0 0 18px; max-width: 76ch; }
.article-body h2 { margin: 30px 0 10px; font-size: clamp(26px, 2.6vw, 36px); line-height: 1.12; letter-spacing: 0; font-weight: 660; text-wrap: balance; }
.article-body h3 { margin: 22px 0 8px; font-size: 21px; line-height: 1.22; letter-spacing: 0; }
.article-body ul, .article-body ol { margin: 0 0 18px; padding-left: 22px; color: var(--ink-2); max-width: 78ch; }
.article-body li + li { margin-top: 8px; }
.article-body a { color: var(--accent); font-weight: 700; }
.quick-answer, .callout { border: 1px solid var(--line); border-radius: 16px; background: var(--card); padding: 22px; box-shadow: 0 1px 0 rgba(26, 23, 20, .02); }
.quick-answer { margin-bottom: 22px; border-color: color-mix(in srgb, var(--accent) 26%, var(--line)); }
.quick-answer p:last-child, .callout p:last-child { margin-bottom: 0; }
.callout { margin: 20px 0; background: color-mix(in srgb, var(--accent-soft) 48%, var(--card)); }
.checklist { display: grid; gap: 10px; margin: 18px 0; }
.check-item { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 12px; align-items: start; border: 1px solid var(--line); border-radius: 14px; background: var(--card); padding: 16px; }
.check-icon { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; background: var(--green-soft); color: var(--green); font-weight: 900; }
.check-item > div > strong { display: block; margin-bottom: 3px; }
.check-item p strong { display: inline; margin: 0; }
.check-item p { margin: 0; }
.table-wrap { overflow-x: auto; margin: 20px 0; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--ink); font-size: 12px; text-transform: uppercase; letter-spacing: 0; background: var(--bg-2); }
td { color: var(--ink-2); }
tr:last-child td { border-bottom: 0; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 14px 0; max-width: 78ch; }
.faq-list summary { cursor: pointer; font-weight: 760; list-style: none; display: flex; justify-content: space-between; gap: 18px; }
.faq-list summary::after { content: "+"; color: var(--ink-3); }
.faq-list details[open] summary::after { content: "-"; }
.faq-list details p { margin: 10px 0 0; }

.sidebar { position: sticky; top: 96px; display: grid; gap: 14px; }
.side-card { border: 1px solid var(--line); border-radius: 16px; background: var(--card); padding: 18px; }
.side-card h2, .side-card h3 { margin: 0 0 10px; font-size: 15px; line-height: 1.2; text-transform: uppercase; color: var(--ink-3); letter-spacing: 0; }
.toc { display: grid; gap: 8px; }
.toc a { color: var(--ink-2); font-size: 14px; }
.mini-alert { display: grid; gap: 10px; }
.mini-row { display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 12px; padding: 10px; background: var(--bg); }
.mini-row img { width: 48px; height: 48px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.mini-title { font-size: 13px; font-weight: 760; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-meta { color: var(--ink-3); font-size: 11px; }
.mini-price { color: var(--green); font-weight: 820; font-size: 13px; }

.cta-band { margin-top: 28px; text-align: center; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 28px 22px; box-shadow: 0 1px 0 rgba(26, 23, 20, .02); }
.cta-band p { margin: 0 auto 22px; max-width: 64ch; color: var(--ink-2); }
.cta-band .actions { margin-top: 18px; }
footer { padding: 56px 0 42px; border-top: 1px solid var(--line); background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; padding-bottom: 34px; border-bottom: 1px solid var(--line); }
.footer-grid h4 { margin: 0 0 12px; color: var(--ink-3); font-size: 11px; text-transform: uppercase; letter-spacing: 0; }
.footer-grid a { display: block; color: var(--ink-2); padding: 4px 0; font-size: 14px; }
.footer-grid a.brand { display: inline-flex; align-items: center; gap: 8px; padding: 0; color: var(--ink); font-size: 18px; font-weight: 760; }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; color: var(--ink-3); font-size: 12px; padding-top: 22px; }

@media (max-width: 980px) {
  .hero-grid, .post-intro, .post-shell, .post-card, .blog-layout { grid-template-columns: 1fr; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .sidebar { position: static; }
  .post-card img { min-height: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .wrap { width: min(var(--max), calc(100% - 24px)); }
  .nav-inner { min-height: auto; display: grid; grid-template-columns: 1fr; gap: 10px; padding: 10px 0; }
  .nav-actions { width: 100%; display: grid; grid-template-columns: 38px minmax(0, 1fr) minmax(0, 1.25fr); gap: 8px; }
  .nav-actions .btn { width: 100%; min-height: 40px; padding: 0 10px; font-size: 13px; }
  .page-hero, .post-hero { padding-top: 28px; }
  .h1, .post-title { font-size: clamp(34px, 11vw, 48px); line-height: 1.02; }
  .h2 { font-size: clamp(26px, 8vw, 36px); line-height: 1.08; }
  .actions { display: grid; grid-template-columns: 1fr; }
  .actions .btn { width: 100%; }
  section { padding: 28px 0; }
  .blog-listing { padding: 30px 0 38px; }
  .card, .quick-answer, .callout { border-radius: 12px; padding: 18px; }
  .stat-line { grid-template-columns: 1fr; }
  .feature-figure { border-radius: 12px; }
  .check-item { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}