:root {
  --bg: #0b1020;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.09);
  --text: #e5e7eb;
  --muted: rgba(229,231,235,.72);
  --line: rgba(229,231,235,.14);
  --accent: #4f46e5;
  --accent2: #22c55e;
  --shadow: 0 18px 48px rgba(0,0,0,.35);
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(79,70,229,.35), transparent 60%),
    radial-gradient(900px 500px at 110% 0%, rgba(34,197,94,.22), transparent 55%),
    radial-gradient(900px 700px at 50% 120%, rgba(148,163,184,.08), transparent 60%),
    var(--bg);
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,16,32,.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: .2px;
}
.brand img { width: 170px; height: auto; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  border-radius: 999px;
}

.nav-links a {
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 650;
  font-size: 14px;
}
.nav-links a.active {
  background: rgba(255,255,255,.08);
  color: var(--text);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  padding: 14px 0 18px;
}
.mobile-menu .menu-panel {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius);
  padding: 12px;
}
.mobile-menu a {
  display: block;
  padding: 12px 12px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 650;
}
.mobile-menu a:hover { background: rgba(255,255,255,.06); color: var(--text); }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; gap: 8px; }
  .mobile-menu.show { display: block; }
}

.hero {
  padding: 56px 0 22px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: stretch;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.card {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card.pad { padding: 22px; }

.kicker {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .2px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  font-weight: 650;
  font-size: 13px;
}

h1 {
  margin: 10px 0 10px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
}
.lead {
  color: var(--muted);
  font-size: 16px;
  margin: 0 0 18px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-weight: 750;
  cursor: pointer;
  text-decoration: none;
}
.btn.primary {
  background: linear-gradient(135deg, rgba(79,70,229,.95), rgba(34,197,94,.65));
  border-color: rgba(255,255,255,.16);
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }

.section {
  padding: 22px 0 8px;
}
.section h2 {
  margin: 0 0 12px;
  font-size: 22px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.col-8 { grid-column: span 8; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-12 { grid-column: span 12; }
@media (max-width: 900px) {
  .col-8, .col-4, .col-6 { grid-column: span 12; }
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: 1fr; }
}

.post-card {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 16px;
  padding: 16px;
}
.post-card .meta {
  color: var(--muted);
  font-weight: 650;
  font-size: 12px;
}
.post-card h3 {
  margin: 8px 0 8px;
  font-size: 16px;
  line-height: 1.25;
}
.post-card p { margin: 0; color: var(--muted); font-size: 14px; }

.searchbar {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.03);
}
.searchbar input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 14px;
}
.searchbar .hint { color: var(--muted); font-size: 12px; }

.article {
  padding: 26px 0 36px;
}
.article .article-header {
  margin-bottom: 16px;
}
.article h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 10px 0;
}
.article .meta {
  color: var(--muted);
  font-weight: 650;
  font-size: 13px;
}
.article-content {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.article-content p {
  margin: 0 0 14px;
}
.article-content h2 {
  margin: 18px 0 10px;
  font-size: 20px;
}
.article-content ul, .article-content ol {
  margin: 0 0 14px 18px;
  color: var(--muted);
}
.article-content li { margin: 8px 0; }
.article-content a {
  color: #dbeafe;
  text-decoration: underline;
  text-decoration-color: rgba(219,234,254,.35);
}
.article-content a:hover { text-decoration-color: rgba(219,234,254,.75); }

.sidebar-box {
  padding: 16px;
}
.sidebar-box h3 {
  margin: 0 0 10px;
  font-size: 16px;
}
.small {
  color: var(--muted);
  font-size: 13px;
}

.footer {
  margin-top: 36px;
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 14px;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer a { color: var(--muted); }
.footer a:hover { color: var(--text); }

.cookie-bar {
  position: fixed;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  border: 1px solid var(--line);
  background: rgba(11,16,32,.92);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 14px;
  display: none;
}
.cookie-bar.show { display: block; }
.cookie-row {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.cookie-text {
  max-width: 720px;
  color: var(--muted);
  font-size: 13px;
}
.cookie-actions {
  display: flex;
  gap: 10px;
}
.btn.small {
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 750;
  font-size: 13px;
}

.notice {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  font-size: 13px;
}

.chart-wrap {
  padding: 16px;
}
svg.chart {
  width: 100%;
  height: 180px;
  display: block;
}



/* ===== Article typography upgrade (Revision 10.1) ===== */
.article .card.pad { overflow: hidden; }
.article-header h1{
  font-size: clamp(1.6rem, 2.2vw + 1rem, 2.6rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-top: 8px;
}
.article-header .meta{
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
}

.article-content{
  max-width: 78ch;
}
.article-content p{
  font-size: 1.06rem;
  line-height: 1.75;
  color: rgba(235,244,255,.88);
  margin: 0 0 14px;
}
.article-content p:first-of-type{
  font-size: 1.12rem;
  color: rgba(235,244,255,.92);
}
.article-content h2{
  margin: 26px 0 10px;
  font-size: 1.28rem;
  letter-spacing: -0.01em;
}
.article-content h3{
  margin: 18px 0 8px;
  font-size: 1.12rem;
}
.article-content ul, .article-content ol{
  margin: 10px 0 16px 18px;
  color: rgba(235,244,255,.88);
}
.article-content li{
  margin: 8px 0;
  line-height: 1.7;
}
.article-content a{
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.article-content a:hover{
  border-bottom-color: rgba(255,255,255,.45);
}

.article-content blockquote{
  margin: 18px 0;
  padding: 14px 14px 14px 16px;
  border-left: 3px solid rgba(167,139,250,.9);
  background: rgba(167,139,250,.08);
  border-radius: 12px;
  color: rgba(235,244,255,.9);
}

/* Callouts */
.callout{
  margin: 14px 0 18px;
  padding: 14px 14px 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.05);
}
.callout-title{
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.callout.callout-glance{
  background: radial-gradient(1200px 300px at 10% 0%, rgba(79,70,229,.22), rgba(255,255,255,.04));
}
.callout.callout-glance ul{
  margin: 8px 0 0 18px;
}
.callout.callout-glance li{
  margin: 8px 0;
}

/* Better spacing for related-reading list */
.article-content .small a{ border-bottom: 0; }




/* --- Article readability (Revision 10.2) --- */
.article-header .meta { opacity: .85; }
.article-content.prose { font-size: 1.05rem; line-height: 1.8; letter-spacing: .01em; }
.article-content.prose p { margin: 0 0 1.05em; }
.article-content.prose p + p { margin-top: 1.05em; }
.article-content.prose h2 { margin: 1.9em 0 .65em; font-size: 1.45rem; letter-spacing: .01em; }
.article-content.prose h3 { margin: 1.4em 0 .55em; font-size: 1.18rem; }
.article-content.prose ul, .article-content.prose ol { margin: .6em 0 1.1em 1.2em; }
.article-content.prose li { margin: .35em 0; }
.article-content.prose a { text-decoration-thickness: 2px; text-underline-offset: 3px; }
.article-content.prose .callout { margin: 1.1em 0 1.4em; }
.article-content.prose .callout-title { font-weight: 750; letter-spacing: .02em; }

/* Make long pages easier on the eyes */
.card.pad { padding: 22px; }
@media (max-width: 840px){
  .article-content.prose { font-size: 1.02rem; }
  .card.pad { padding: 18px; }
}