:root {
  --bg: #F3F3F0;
  --surface: #FBFAF6;
  --surface-glass: rgba(251, 250, 246, 0.72);
  --surface-2: #E9E9E3;
  --ink: #0B0C0E;
  --ink-muted: #5D6268;
  --navy: #10151D;
  --navy-600: #08090B;
  --gold: #FFD000;
  --gold-soft: rgba(255, 208, 0, 0.18);
  --border: rgba(8, 9, 11, 0.10);
  --border-strong: rgba(8, 9, 11, 0.18);
  --shadow-sm: 0 1px 2px rgba(8, 9, 11, 0.05);
  --shadow-md: 0 18px 45px rgba(8, 9, 11, 0.10);
  --shadow-lg: 0 32px 90px rgba(8, 9, 11, 0.16);
  --radius-card: 24px;
  --radius-pill: 999px;
  --maxw: 1180px;
  --prose: 760px;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Newsreader", Georgia, serif;
  --font-signature: "Pinyon Script", cursive;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 9%, rgba(255,255,255,0.95), transparent 28rem),
    radial-gradient(circle at 82% 2%, rgba(127,167,168,0.20), transparent 34rem),
    radial-gradient(circle at 62% 94%, rgba(255,208,0,0.06), transparent 26rem),
    linear-gradient(180deg, #F6F6F2 0%, #E8E8E2 46%, #F4F3EF 100%);
  background-attachment: fixed;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.10;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.45 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
html::after {
  content: "";
  position: fixed;
  left: 0; right: 0; bottom: -100px;
  height: calc(clamp(90px, 12vw, 140px) + 100px);
  pointer-events: none;
  z-index: 5;
  background: transparent;
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-mask-image: linear-gradient(to top, transparent 0, rgba(0,0,0,0.72) 100px, rgba(0,0,0,0.42) calc(100px + (100% - 100px) * 0.40), rgba(0,0,0,0.16) calc(100px + (100% - 100px) * 0.75), transparent 100%);
  mask-image: linear-gradient(to top, transparent 0, rgba(0,0,0,0.72) 100px, rgba(0,0,0,0.42) calc(100px + (100% - 100px) * 0.40), rgba(0,0,0,0.16) calc(100px + (100% - 100px) * 0.75), transparent 100%);
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: transform;
}

main, footer { position: relative; z-index: 1; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 8px;
}
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.nav-wrap {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex; justify-content: center;
  pointer-events: none;
  padding-top: env(safe-area-inset-top, 0px);
}
.nav-wrap::before {
  content: "";
  position: absolute;
  inset: -100px 0 auto 0;
  height: 340px;
  pointer-events: none;
  background: transparent;
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0, #000 100px, rgba(0,0,0,0.76) calc(100px + (100% - 100px) * 0.29), rgba(0,0,0,0.34) calc(100px + (100% - 100px) * 0.58), rgba(0,0,0,0.10) calc(100px + (100% - 100px) * 0.79), transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0, #000 100px, rgba(0,0,0,0.76) calc(100px + (100% - 100px) * 0.29), rgba(0,0,0,0.34) calc(100px + (100% - 100px) * 0.58), rgba(0,0,0,0.10) calc(100px + (100% - 100px) * 0.79), transparent 100%);
  z-index: 0;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: transform;
}
.nav {
  pointer-events: auto;
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: 24px clamp(22px, 4vw, 72px) 0;
}
.wordmark {
  font-family: var(--font-signature);
  font-size: 31px;
  line-height: 1;
  color: var(--ink);
  white-space: nowrap;
  letter-spacing: 0;
}
.nav-links {
  display: flex; align-items: center; gap: 22px;
  margin-left: auto;
  font-size: 13px;
  font-weight: 500;
  color: rgba(11,12,14,0.62);
}
.nav-links a { transition: color .2s ease, background .2s ease, transform .2s ease; }
.nav-links a:not(.nav-cta) { padding: 9px 0; }
.nav-links a:hover { color: var(--ink); }
.nav-menu-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid rgba(8, 9, 11, 0.08);
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.44);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  cursor: pointer;
  box-shadow: 0 12px 34px rgba(8, 9, 11, 0.10), inset 0 1px 0 rgba(255,255,255,0.72);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
}
.nav-menu-toggle svg { width: 16px; height: 16px; }

.cta-btn, .nav-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  padding: 11px 18px;
  font-weight: 600;
  background: rgba(255,255,255,0.54);
  box-shadow: var(--shadow-sm);
  transition: background .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease;
}
.nav-cta, .cta-btn.primary {
  background: var(--gold);
  color: #08090B !important;
  border-color: transparent;
  box-shadow: 0 12px 28px rgba(255, 208, 0, 0.30);
}
.nav-cta:hover, .cta-btn.primary:hover { background: #FFDB33; color: #08090B; transform: translateY(-1px); }
.cta-btn:hover { background: rgba(255,255,255,0.84); color: var(--ink); transform: translateY(-1px); }

.page-hero { padding: 132px 0 52px; text-align: center; }
.page-hero h1, .article-header h1 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.14;
  color: var(--ink);
}
.page-hero h1 { max-width: 880px; margin: 16px auto 0; font-size: 4rem; }
.page-hero p { max-width: 720px; margin: 18px auto 0; color: var(--ink-muted); font-size: 1.08rem; line-height: 1.7; }
.hero-actions, .cta-btn-group { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.eyebrow, .post-tag {
  display: inline-flex; align-items: center; width: fit-content; gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface-glass);
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-muted);
  letter-spacing: 0;
  box-shadow: var(--shadow-sm);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  backdrop-filter: blur(12px) saturate(150%);
}

.section-intro {
  text-align: center;
  padding-bottom: 22px;
}
.section-intro h2 {
  max-width: 720px;
  margin: 14px auto 0;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: 0;
}
.section-intro p {
  max-width: 700px;
  margin: 12px auto 0;
  color: var(--ink-muted);
}

.hub-grid, .posts-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 22px; padding-bottom: 80px;
}
.track-grid { padding-bottom: 52px; }
.hub-card, .post-card, .toc, .cta-box, .see-also, .service-panel {
  background: var(--surface-glass);
  border: 1px solid rgba(8, 9, 11, 0.09);
  border-radius: var(--radius-card);
  box-shadow: 0 18px 56px rgba(8, 9, 11, 0.08), inset 0 1px 0 rgba(255,255,255,0.72);
  -webkit-backdrop-filter: blur(18px) saturate(155%);
  backdrop-filter: blur(18px) saturate(155%);
}
.hub-card, .post-card { padding: 28px; display: flex; flex-direction: column; gap: 12px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.hub-card:hover, .post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border-strong); color: var(--ink); }
.hub-card > span, .post-card-link { color: var(--ink-muted); font-size: 13px; font-weight: 700; }
.hub-card h2, .post-card h2 { margin: 0; font-family: var(--font-display); line-height: 1.2; font-weight: 600; letter-spacing: 0; }
.hub-card h2 a { display: inline; text-decoration: none; }
.hub-card p, .post-card p { margin: 0; color: var(--ink-muted); }
.hub-card ul { margin: 8px 0 0; padding-left: 18px; color: var(--ink-muted); font-size: 14px; }
.hub-card li { margin: 5px 0; }
.hub-card li a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(8, 9, 11, 0.22); }
.hub-card li a:hover { text-decoration-color: var(--ink); }

.article-wrap { padding: 128px 0 80px; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; color: var(--ink-muted); font-size: 13px; margin: 0 auto 28px; max-width: var(--prose); }
.breadcrumb--center { justify-content: center; }
article { max-width: var(--prose); margin: 0 auto; }
.article-header { margin-bottom: 24px; }
.article-header h1 { margin: 18px 0 14px; font-size: 3.45rem; }
.dek { color: var(--ink-muted); font-size: 1.08rem; line-height: 1.72; margin: 0; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-top: 18px; color: var(--ink-muted); font-size: 14px; }
.toc { padding: 18px; margin: 28px 0; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.toc span { font-size: 13px; color: var(--ink-muted); font-weight: 700; margin-right: 4px; }
.toc a { border: 1px solid var(--border); border-radius: var(--radius-pill); padding: 7px 12px; background: rgba(255,255,255,0.42); font-size: 14px; }
.prose { font-size: 1.03rem; line-height: 1.72; }
.prose h2, .prose h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; margin: 42px 0 12px; letter-spacing: 0; }
.prose h2 { font-size: 1.9rem; }
.prose h3 { font-size: 1.35rem; }
.prose p, .prose ul, .prose ol { margin: 0 0 18px; }
.prose li { margin: 7px 0; }
.prose a { color: var(--ink); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(8, 9, 11, 0.22); }
.prose a:hover { text-decoration-color: var(--ink); }
.prose blockquote { margin: 24px 0; padding: 18px 22px; border-left: 4px solid var(--gold); background: rgba(251,250,246,0.70); border-radius: 14px; color: var(--ink-muted); }
.cta-box, .see-also, .service-panel { padding: 28px; margin-top: 36px; }
.cta-box h2, .see-also h2, .service-panel h2 { margin: 12px 0; font-family: var(--font-display); font-weight: 600; line-height: 1.2; letter-spacing: 0; }
.see-also ul, .service-panel ul { margin-bottom: 0; }

footer {
  padding: 60px 0 44px;
  color: var(--ink-muted);
  border-top: 1px solid rgba(8, 9, 11, 0.08);
  background: linear-gradient(180deg, rgba(251,250,246,0.22), rgba(251,250,246,0.54));
}
.footer-inner { display: grid; gap: 16px; text-align: center; justify-items: center; }
footer .wordmark { font-size: 32px; color: var(--ink); }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; }
.fine { margin: 0; color: var(--ink-muted); font-size: 13px; }

@media (max-width: 1000px) {
  .page-hero h1 { font-size: 3.2rem; }
  .article-header h1 { font-size: 2.75rem; }
}

@media (max-width: 780px) {
  .container { padding-inline: 18px; }
  .nav { min-height: 58px; padding: 18px 14px 0 18px; }
  .wordmark { font-size: 25px; }
  .nav-menu-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: calc(100% + 12px);
    left: 14px;
    right: 14px;
    display: grid;
    gap: 4px;
    margin-left: 0;
    padding: 10px;
    border: 1px solid rgba(8, 9, 11, 0.08);
    border-radius: 24px;
    background: rgba(249, 248, 244, 0.78);
    box-shadow: 0 26px 78px rgba(8, 9, 11, 0.16), inset 0 1px 0 rgba(255,255,255,0.78);
    -webkit-backdrop-filter: blur(24px) saturate(165%);
    backdrop-filter: blur(24px) saturate(165%);
    opacity: 0;
    transform: translateY(-8px);
    visibility: hidden;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
  }
  .nav.is-open .nav-links {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
  }
  .nav-links a,
  .nav-links a:not(.nav-cta) {
    display: flex;
    align-items: center;
    min-height: 42px;
    padding: 10px 13px;
    border-radius: 16px;
  }
  .nav-links a:hover { background: rgba(8, 9, 11, 0.05); }
  .nav-links .nav-cta { justify-content: center; margin-top: 4px; }
  .page-hero { padding-top: 116px; }
  .article-wrap { padding-top: 112px; }
}

@media (max-width: 640px) {
  .page-hero h1 { font-size: 2.45rem; }
  .article-header h1 { font-size: 2.18rem; }
  .hub-grid, .posts-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}