:root {
  --ink: #12150f;
  --ink-2: #50594f;
  --paper: #f8f8f4;
  --paper-2: #ffffff;
  --line: rgba(18, 21, 15, 0.1);
  --line-strong: rgba(18, 21, 15, 0.16);
  --accent: #0e6b4f;
  --accent-2: #2bb78a;
  --on-accent: #ffffff;
  --warn-bg: #fdf5e0;
  --warn-line: #e7d397;
  --warn-ink: #5b4a12;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(18, 21, 15, 0.05), 0 4px 14px rgba(18, 21, 15, 0.05);
  --shadow-md: 0 2px 4px rgba(18, 21, 15, 0.05), 0 18px 44px -18px rgba(18, 21, 15, 0.22);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Instrument Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--accent); color: #fff; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-2); }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 4px; }

/* ------------------------------------------------------------------ */
/* Header                                                             */
/* ------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 248, 244, 0.82);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 13px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.brand__mark {
  width: 36px; height: 36px; border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 800; font-size: 18px;
  box-shadow: 0 6px 16px -6px var(--accent);
  flex: none;
}
.brand__name { font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -0.02em; }
.site-nav { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.site-nav a {
  color: var(--ink-2); text-decoration: none; font-size: 15px; font-weight: 600;
  padding: 8px 12px; border-radius: 10px;
}
.site-nav a:hover { background: rgba(18, 21, 15, 0.05); color: var(--ink); }
.site-nav .cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; margin-left: 10px; padding: 10px 16px;
  box-shadow: 0 8px 20px -8px var(--accent);
}
.site-nav .cta:hover { background: linear-gradient(135deg, var(--accent-2), var(--accent)); color: #fff; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 48px 24px 72px; }
.wrap--narrow { max-width: 800px; }

/* ------------------------------------------------------------------ */
/* Hero (dark, premium)                                                */
/* ------------------------------------------------------------------ */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(1100px 520px at 12% -8%, color-mix(in srgb, var(--accent-2) 42%, transparent), transparent 60%),
    radial-gradient(900px 520px at 92% 118%, color-mix(in srgb, var(--accent) 55%, transparent), transparent 58%),
    linear-gradient(180deg, #10140f 0%, #141a13 100%);
  border-radius: 28px;
  padding: 72px 56px 58px;
  margin-bottom: 48px;
  box-shadow: var(--shadow-md);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.22;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, transparent 10%, #000 90%);
  mask-image: linear-gradient(180deg, transparent 10%, #000 90%);
}
.hero__inner { position: relative; z-index: 1; max-width: 880px; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 7px 14px;
  margin-bottom: 22px;
}
.hero__eyebrow::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 12px var(--accent-2);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.55rem, 6vw, 4.15rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.04;
  margin: 0 0 20px;
  max-width: 17ch;
}
.hero p.lede {
  font-size: 19px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.74);
  margin: 0 0 30px;
  max-width: 62ch;
}
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-weight: 700; font-size: 16px; text-decoration: none;
  padding: 13px 22px; border-radius: 12px;
  transition: transform 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: #fff; color: #12150f;
  box-shadow: 0 10px 28px -10px rgba(255, 255, 255, 0.5);
}
.btn--primary:hover { background: #fff; color: #12150f; box-shadow: 0 14px 34px -10px rgba(255, 255, 255, 0.65); }
.btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.hero__stat .value {
  font-family: var(--font-display);
  font-size: 30px; font-weight: 700; letter-spacing: -0.02em;
  display: block; margin-bottom: 2px;
}
.hero__stat .label { font-size: 14px; color: rgba(255, 255, 255, 0.62); }

/* ------------------------------------------------------------------ */
/* Notice + typography blocks                                          */
/* ------------------------------------------------------------------ */
.notice {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  color: var(--warn-ink);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 15px;
  margin: 24px 0;
}
.notice strong { font-weight: 700; }

.article h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.6vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}
.article h2 {
  font-family: var(--font-display);
  font-size: 27px;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 54px 0 16px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}
.article h2:first-of-type { border-top: 0; padding-top: 0; }
.article h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 30px 0 10px;
  scroll-margin-top: 96px;
  letter-spacing: -0.01em;
}
.article p { margin: 0 0 20px; }
.article ul, .article ol { margin: 0 0 22px; padding-left: 26px; }
.article li { margin-bottom: 9px; }
.article li::marker { color: var(--accent); }
.article blockquote {
  margin: 0 0 24px; padding: 6px 22px;
  border-left: 3px solid var(--accent-2);
  color: var(--ink-2);
  background: var(--paper-2);
  border-radius: 0 12px 12px 0;
  box-shadow: var(--shadow-sm);
}
.article table { border-collapse: separate; border-spacing: 0; width: 100%; margin: 0 0 26px; font-size: 15.5px; }
.article th, .article td {
  border: 1px solid var(--line);
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
}
.article th { background: color-mix(in srgb, var(--accent) 7%, #fff); font-weight: 700; }
.article tr:first-child th:first-child { border-top-left-radius: 12px; }
.article tr:first-child th:last-child { border-top-right-radius: 12px; }
.article hr { border: 0; border-top: 1px solid var(--line); margin: 38px 0; }
.article code { background: rgba(18, 21, 15, 0.05); border: 1px solid var(--line); padding: 1px 7px; border-radius: 6px; font-size: 0.9em; }

.post-meta { color: var(--ink-2); font-size: 14.5px; margin: 12px 0 0; display: flex; gap: 8px; flex-wrap: wrap; }
.post-meta span {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
  font-weight: 600;
}

.toc {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 28px 0;
  font-size: 15px;
  box-shadow: var(--shadow-sm);
}
.toc strong { font-family: var(--font-display); }
.toc ul { margin: 10px 0 0; padding-left: 20px; }
.toc li { margin: 6px 0; }

/* ------------------------------------------------------------------ */
/* Cards                                                               */
/* ------------------------------------------------------------------ */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; margin: 28px 0; }
.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--paper-2);
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 10px;
  overflow: hidden;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity 0.16s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: var(--shadow-md); }
.card:hover::before { opacity: 1; }
.card h2 { margin: 0; font-family: var(--font-display); font-size: 19px; line-height: 1.3; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--ink-2); font-size: 15.5px; }
.card .tag {
  align-self: flex-start;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, #fff);
  border-radius: 999px;
  padding: 5px 11px;
}

/* ------------------------------------------------------------------ */
/* CTA                                                                 */
/* ------------------------------------------------------------------ */
.cta-box {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(700px 380px at 8% 0%, color-mix(in srgb, var(--accent-2) 40%, transparent), transparent 60%),
    radial-gradient(640px 360px at 96% 110%, color-mix(in srgb, var(--accent) 60%, transparent), transparent 55%),
    linear-gradient(180deg, #11150f, #151b13);
  border-radius: 24px;
  padding: 40px 42px;
  margin: 52px 0 8px;
  box-shadow: var(--shadow-md);
  display: grid; gap: 14px;
}
.cta-box h2 { margin: 0; font-family: var(--font-display); font-size: 26px; color: #fff; letter-spacing: -0.02em; }
.cta-box p { margin: 0; color: rgba(255, 255, 255, 0.74); }
.cta-box ul { margin: 0; padding-left: 20px; color: rgba(255, 255, 255, 0.9); }
.cta-box li { margin: 6px 0; }
.cta-box li::marker { color: var(--accent-2); }
.cta-box .btn { background: #fff; color: #12150f; align-self: flex-start; margin-top: 6px; box-shadow: 0 12px 30px -10px rgba(255,255,255,0.5); }
.cta-box .btn:hover { background: #fff; }
.cta-box .note { font-size: 13.5px; color: rgba(255, 255, 255, 0.55); }

.author-box {
  border-top: 1px solid var(--line);
  margin-top: 46px;
  padding-top: 24px;
  font-size: 15.5px;
  color: var(--ink-2);
}
.author-box strong { color: var(--ink); font-family: var(--font-display); }

.sources { font-size: 15px; }
.sources ol { padding-left: 24px; }
.sources li { margin-bottom: 9px; word-break: break-word; }

/* ------------------------------------------------------------------ */
/* Footer (dark)                                                       */
/* ------------------------------------------------------------------ */
.site-footer { background: #10140f; color: rgba(255, 255, 255, 0.66); margin-top: 56px; }
.site-footer__inner { max-width: 1160px; margin: 0 auto; padding: 44px 24px 40px; font-size: 14.5px; }
.site-footer .brand__name { color: #fff; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; margin: 22px 0 18px; }
.site-footer nav a { color: rgba(255, 255, 255, 0.72); text-decoration: none; font-weight: 600; }
.site-footer nav a:hover { color: #fff; }
.site-footer p { margin: 0 0 12px; }
.disclaimer {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  margin-top: 22px;
}
.disclaimer strong { color: rgba(255, 255, 255, 0.75); }
.site-footer .foot-note { color: rgba(255, 255, 255, 0.4); font-size: 13px; }

@media (max-width: 720px) {
  .wrap { padding: 28px 18px 56px; }
  .hero { padding: 46px 26px 40px; border-radius: 22px; }
  .hero h1 { font-size: 2.35rem; }
  .hero p.lede { font-size: 17px; }
  .hero__stats { grid-template-columns: 1fr; gap: 18px; margin-top: 34px; }
  .hero__stat .value { font-size: 26px; }
  .article h1 { font-size: 2rem; }
  .article h2 { font-size: 23px; }
  .site-header__inner { flex-wrap: wrap; }
  .site-nav { width: 100%; justify-content: flex-start; }
  .site-nav .cta { margin-left: 0; }
  .cta-box { padding: 30px 24px; }
}