:root {
  --bg: #050505;
  --bg-elev: #0A0A0A;
  --card: #111111;
  --card-hover: #161616;
  --card-2: #0d0d0f;
  --primary: #2F6BFF;
  --primary-2: #00C6FF;
  --primary-ink: #7BA8FF;
  --primary-glow: rgba(47, 107, 255, 0.35);
  --green: #00E096;
  --red: #FF3B30;
  --amber: #FFB800;
  --violet: #8B5CF6;
  --text: #FFFFFF;
  --text-soft: #C7C9D1;
  --text-muted: #888888;
  --text-faint: #5a5d66;
  --border: #222222;
  --border-soft: rgba(255, 255, 255, 0.06);
  --glass: rgba(255, 255, 255, 0.03);
  --glass-2: rgba(255, 255, 255, 0.05);
  --grad-brand: linear-gradient(135deg, #2F6BFF 0%, #00C6FF 100%);
  --grad-brand-soft: linear-gradient(135deg, rgba(47,107,255,0.18) 0%, rgba(0,198,255,0.10) 100%);
  --grad-profit: linear-gradient(135deg, #00E096 0%, #00C6FF 100%);
  --grad-text: linear-gradient(135deg, #FFFFFF 0%, #9db4ff 60%, #00C6FF 100%);
  --grad-sheen: linear-gradient(100deg, transparent 20%, rgba(255,255,255,0.25) 50%, transparent 80%);
  --aura: radial-gradient(ellipse at 24% 16%, rgba(47,107,255,0.12) 0%, transparent 54%),
          radial-gradient(ellipse at 82% 52%, rgba(0,198,255,0.08) 0%, transparent 50%),
          radial-gradient(ellipse at 56% 88%, rgba(0,224,150,0.045) 0%, transparent 42%);
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --fs-display: clamp(42px, 7vw, 78px);
  --fs-h1: clamp(34px, 5vw, 58px);
  --fs-h2: clamp(27px, 3.5vw, 42px);
  --fs-h3: clamp(19px, 2vw, 24px);
  --fs-lead: clamp(17px, 1.45vw, 20px);
  --fs-body: 16px;
  --fs-sm: 14px;
  --fs-xs: 12px;
  --lh-tight: 1.05;
  --lh-snug: 1.2;
  --lh-body: 1.65;
  --tracking-wide: 0.08em;
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --s7: 48px;
  --s8: 64px;
  --s9: 96px;
  --s10: 128px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 100px;
  --sh-sm: 0 2px 8px rgba(0,0,0,0.4);
  --sh-md: 0 12px 40px -10px rgba(0,0,0,0.55);
  --sh-lg: 0 30px 80px -20px rgba(0,0,0,0.7);
  --sh-glow: 0 8px 40px var(--primary-glow);
  --sh-glow-lg: 0 20px 80px -10px var(--primary-glow);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 0.18s;
  --dur: 0.32s;
  --dur-slow: 0.6s;
  --maxw: 1160px;
  --maxw-wide: 1320px;
  --nav-h: 68px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--s5));
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: 0.002em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--primary-ink);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}

a:hover {
  color: var(--primary-2);
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--primary-2);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

::selection {
  background: var(--primary);
  color: #fff;
}

.skip-link {
  position: fixed;
  left: var(--s4);
  top: var(--s4);
  z-index: 999;
  transform: translateY(-180%);
  border-radius: var(--r-pill);
  background: var(--text);
  color: var(--bg);
  padding: 10px 14px;
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-aura {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: var(--aura);
}

.page-grid {
  position: fixed;
  inset: -10% -10% 0 -10%;
  z-index: -1;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse 70% 58% at 50% 12%, #000 0%, transparent 78%);
  opacity: 0.56;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--s7);
}

.container--wide {
  max-width: var(--maxw-wide);
}

.container--narrow {
  max-width: 880px;
}

.section {
  padding-block: var(--s9);
  position: relative;
}

.section--tight {
  padding-block: var(--s7);
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--s4);
  color: var(--primary-ink);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  color: var(--text-soft);
  font-size: var(--fs-lead);
  line-height: 1.55;
}

.muted {
  color: var(--text-muted);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.35);
  border-bottom: 1px solid transparent;
  transition: height var(--dur) var(--ease-out), background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), backdrop-filter var(--dur) var(--ease-out);
}

.site-nav.scrolled {
  height: 58px;
  background: rgba(10, 10, 10, 0.74);
  border-bottom-color: var(--border-soft);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s5);
  width: 100%;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  flex: none;
}

.nav-brand img {
  width: 139px;
  height: auto;
}

.nav-menu {
  display: contents;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s2);
  margin-inline: auto;
}

.nav-links a {
  position: relative;
  border-radius: var(--r-pill);
  color: var(--text-soft);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: 8px 14px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-brand);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--s3);
  flex: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-sm);
  background: var(--glass);
}

.nav-toggle .bars {
  position: relative;
  width: 18px;
  height: 12px;
}

.nav-toggle .bars span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform var(--dur) var(--ease-out), opacity var(--dur-fast) var(--ease-out), top var(--dur) var(--ease-out);
}

.nav-toggle .bars span:nth-child(1) {
  top: 0;
}

.nav-toggle .bars span:nth-child(2) {
  top: 5px;
}

.nav-toggle .bars span:nth-child(3) {
  top: 10px;
}

.nav-toggle.is-active .bars span:nth-child(1) {
  top: 5px;
  transform: rotate(45deg);
}

.nav-toggle.is-active .bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .bars span:nth-child(3) {
  top: 5px;
  transform: rotate(-45deg);
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  padding: 11px 20px;
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--grad-brand);
  box-shadow: var(--sh-glow);
  color: #fff;
}

.btn-primary:hover {
  box-shadow: var(--sh-glow-lg);
  color: #fff;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--grad-sheen);
  transform: translateX(-130%);
}

@media (prefers-reduced-motion: no-preference) {
  .btn-primary:hover::before {
    transform: translateX(130%);
    transition: transform 0.6s var(--ease-out);
  }
}

.btn-ghost {
  border-color: var(--border-soft);
  background: var(--glass);
  color: var(--text-soft);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  border-color: rgba(123, 168, 255, 0.4);
  background: var(--glass-2);
  color: var(--text);
}

.btn-icon svg,
.search-icon svg,
.article-arrow svg,
.tiny-icon svg,
.reaction-btn svg {
  width: 18px;
  height: 18px;
}

.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + var(--s8));
  padding-bottom: var(--s8);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse at 50% 8%, rgba(47,107,255,0.13), transparent 58%);
}

.hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: end;
  gap: var(--s8);
}

.hero-copy {
  max-width: 760px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  margin-bottom: var(--s5);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-pill);
  background: var(--glass);
  color: var(--text-soft);
  font-size: var(--fs-sm);
  padding: 7px 14px;
}

.live-dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(0, 224, 150, 0.5);
}

@media (prefers-reduced-motion: no-preference) {
  .live-dot {
    animation: pulse 2.2s var(--ease-in-out) infinite;
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 224, 150, 0.5);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(0, 224, 150, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 224, 150, 0);
  }
}

.hero h1 {
  max-width: 820px;
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: 0;
  margin-bottom: var(--s5);
}

.hero .lead {
  max-width: 660px;
}

.hero-search {
  position: relative;
  max-width: 780px;
  margin-top: var(--s6);
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 68px;
  border: 1px solid rgba(123, 168, 255, 0.28);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.02)), rgba(10,10,10,0.76);
  box-shadow: var(--sh-md), inset 0 1px 0 rgba(255,255,255,0.08);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.search-box:focus-within {
  border-color: rgba(0, 198, 255, 0.62);
  box-shadow: var(--sh-glow), inset 0 1px 0 rgba(255,255,255,0.1);
}

.search-icon {
  position: absolute;
  left: var(--s5);
  color: var(--primary-ink);
}

.search-box input {
  width: 100%;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 18px;
  padding: 22px 64px 22px 58px;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-submit {
  position: absolute;
  right: var(--s3);
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-sm);
  background: var(--grad-brand);
  color: #fff;
}

.search-results {
  display: none;
  position: absolute;
  z-index: 20;
  left: 0;
  right: 0;
  top: calc(100% + var(--s3));
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  background: rgba(13, 13, 15, 0.96);
  box-shadow: var(--sh-lg);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.search-results.open {
  display: block;
}

.search-result {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: var(--s4);
  align-items: center;
  padding: var(--s4);
  color: var(--text);
  border-bottom: 1px solid var(--border-soft);
}

.search-result:last-child {
  border-bottom: 0;
}

.search-result:hover {
  background: rgba(47,107,255,0.08);
  color: var(--text);
}

.result-icon,
.topic-icon,
.collection-icon,
.contact-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  background: var(--grad-brand-soft);
  color: var(--primary-2);
}

.search-result-title {
  display: block;
  font-weight: 800;
  line-height: 1.25;
}

.search-result-desc {
  display: block;
  margin-top: 3px;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.45;
}

.search-empty {
  display: none;
  padding: var(--s5);
  color: var(--text-soft);
}

.search-empty.open {
  display: block;
}

.hero-panel {
  border: 1px solid var(--border-soft);
  border-radius: var(--r-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01)), var(--card-2);
  box-shadow: var(--sh-md);
  padding: var(--s5);
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  margin-bottom: var(--s5);
}

.panel-label {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.panel-pill {
  border: 1px solid rgba(0,224,150,0.25);
  border-radius: var(--r-pill);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 9px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s3);
}

.metric {
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  background: var(--glass);
  padding: var(--s4);
}

.metric span {
  display: block;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: var(--s2);
  color: var(--text);
  font-size: 24px;
  line-height: 1.1;
}

.mini-chart {
  margin-top: var(--s4);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  background: var(--glass);
  padding: var(--s4);
}

.mini-chart svg {
  width: 100%;
  height: 116px;
}

.chart-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--s2);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.quick-topics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s4);
  margin-top: var(--s7);
}

.topic-link {
  min-height: 118px;
  display: flex;
  flex-direction: column;
  gap: var(--s4);
  justify-content: space-between;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01)), var(--card);
  color: var(--text);
  padding: var(--s5);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}

.topic-link:hover {
  transform: translateY(-3px);
  border-color: rgba(123,168,255,0.35);
  background: var(--card-hover);
  color: var(--text);
}

.topic-link strong {
  font-size: 17px;
  line-height: 1.25;
}

.section-head {
  max-width: 720px;
  margin-bottom: var(--s7);
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-snug);
  letter-spacing: 0;
  margin-bottom: var(--s3);
}

.collections {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: var(--s5);
}

.collection-card,
.support-card,
.featured-card,
.article-shell,
.article-side-card,
.feedback-card,
.not-found-card {
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01)), var(--card);
  box-shadow: var(--sh-sm);
}

.collection-card {
  padding: var(--s6);
}

.collection-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s5);
  padding-bottom: var(--s5);
  border-bottom: 1px solid var(--border-soft);
}

.collection-title {
  display: flex;
  gap: var(--s4);
  align-items: flex-start;
}

.collection-title h3 {
  font-size: var(--fs-h3);
  line-height: 1.2;
  margin-bottom: var(--s2);
}

.article-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 78px;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-pill);
  background: var(--glass);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
}

.article-list {
  display: grid;
  gap: var(--s3);
  margin-top: var(--s5);
}

.article-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--s4);
  align-items: center;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  color: var(--text);
  padding: var(--s4);
  transition: background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.article-row:hover {
  transform: translateX(2px);
  border-color: var(--border-soft);
  background: var(--glass);
  color: var(--text);
}

.article-row h4 {
  margin-bottom: 3px;
  font-size: 17px;
  line-height: 1.25;
}

.article-row p {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.5;
}

.article-arrow {
  color: var(--primary-ink);
}

.support-card {
  display: flex;
  flex-direction: column;
  gap: var(--s5);
  padding: var(--s6);
}

.support-card h3,
.featured-card h3 {
  font-size: var(--fs-h3);
  line-height: 1.2;
}

.support-card p,
.featured-card p {
  color: var(--text-soft);
}

.support-meta {
  display: grid;
  gap: var(--s3);
}

.support-meta div {
  display: flex;
  align-items: center;
  gap: var(--s3);
  color: var(--text-soft);
  font-size: var(--fs-sm);
}

.tiny-icon {
  color: var(--primary-ink);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s5);
}

.featured-card {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--text);
  padding: var(--s6);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.featured-card:hover {
  transform: translateY(-3px);
  border-color: rgba(123,168,255,0.35);
  color: var(--text);
}

.featured-card .tag {
  width: fit-content;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-pill);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-wide);
  padding: 4px 9px;
  text-transform: uppercase;
}

.contact-band {
  border-block: 1px solid var(--border-soft);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0)), var(--bg-elev);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s5);
}

.contact-card {
  display: flex;
  gap: var(--s4);
  align-items: flex-start;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  background: var(--glass);
  padding: var(--s6);
}

.contact-card h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--s2);
}

.contact-card p {
  color: var(--text-soft);
  margin-bottom: var(--s4);
}

.site-footer {
  border-top: 1px solid var(--border-soft);
  background: var(--bg-elev);
  padding-block: var(--s8) var(--s7);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--s7);
  padding-bottom: var(--s7);
  border-bottom: 1px solid var(--border-soft);
}

.footer-brand img {
  width: 132px;
}

.footer-tagline {
  max-width: 270px;
  margin-top: var(--s4);
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.footer-col h4 {
  margin-bottom: var(--s4);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.footer-col ul {
  display: grid;
  gap: var(--s3);
  list-style: none;
}

.footer-col a {
  color: var(--text-soft);
  font-size: var(--fs-sm);
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  padding-top: var(--s5);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  flex-wrap: wrap;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--s5);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.crumbs a {
  color: var(--text-muted);
}

.article-hero {
  padding-top: calc(var(--nav-h) + var(--s8));
  padding-bottom: var(--s6);
}

.article-hero h1 {
  max-width: 860px;
  margin-bottom: var(--s5);
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
  letter-spacing: 0;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  margin-top: var(--s5);
}

.meta-pill {
  border: 1px solid var(--border-soft);
  border-radius: var(--r-pill);
  background: var(--glass);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--s7);
  align-items: start;
  padding-bottom: var(--s9);
}

.article-layout > * {
  min-width: 0;
}

.article-shell {
  min-width: 0;
  max-width: 100%;
  padding: var(--s7);
}

.article-content {
  min-width: 0;
  color: var(--text-soft);
}

.article-content section {
  min-width: 0;
}

.article-content h2 {
  margin: var(--s7) 0 var(--s3);
  color: var(--text);
  font-size: 29px;
  line-height: var(--lh-snug);
  letter-spacing: 0;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  margin: var(--s5) 0 var(--s2);
  color: var(--text);
  font-size: 20px;
  letter-spacing: 0;
}

.article-content p {
  margin-bottom: var(--s4);
}

.article-content ul,
.article-content ol {
  display: grid;
  gap: var(--s3);
  margin: var(--s4) 0 var(--s5);
  padding-left: 1.2rem;
}

.article-content li {
  padding-left: 0.2rem;
}

.article-content code {
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  background: var(--glass);
  color: var(--primary-ink);
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 2px 6px;
}

.article-content pre,
.code-block {
  position: relative;
  max-width: 100%;
  overflow-x: auto;
  margin: var(--s4) 0 var(--s5);
  border: 1px solid rgba(75, 104, 151, 0.34);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(15, 22, 36, 0.92), rgba(6, 10, 18, 0.98)),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.018) 0 1px, transparent 1px 3px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    inset 0 0 0 1px rgba(0,198,255,0.025),
    0 20px 56px -34px rgba(0,198,255,0.45);
  padding: 60px var(--s5) var(--s5);
  scrollbar-color: rgba(123,168,255,0.45) rgba(255,255,255,0.04);
  scrollbar-width: thin;
}

.article-content pre::before,
.code-block::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 42px;
  border-bottom: 1px solid rgba(75, 104, 151, 0.24);
  background:
    linear-gradient(180deg, rgba(14, 20, 33, 0.98), rgba(10, 15, 26, 0.92)),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.018) 0 1px, transparent 1px 3px);
  pointer-events: none;
}

.article-content pre::after,
.code-block::after {
  content: "";
  position: absolute;
  top: 16px;
  left: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ec5f78;
  box-shadow: 20px 0 #f6c863, 40px 0 #4fd1c5;
  pointer-events: none;
}

.article-content pre code,
.code-block code {
  display: block;
  width: max-content;
  min-width: 100%;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #dbe7f8;
  font-size: 13.5px;
  line-height: 1.72;
  padding: 0;
  white-space: pre;
  text-shadow: 0 0 18px rgba(0,198,255,0.07);
}

.copy-btn {
  position: absolute;
  z-index: 2;
  top: 8px;
  right: 10px;
  min-height: 28px;
  border: 1px solid rgba(123,168,255,0.18);
  border-radius: 9px;
  background: rgba(25, 34, 53, 0.92);
  color: #a9b4c7;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.copy-btn:hover,
.copy-btn.is-copied,
.copy-btn.is-selected {
  border-color: rgba(0,198,255,0.42);
  background: rgba(32, 45, 70, 0.98);
  color: var(--text);
}

.copy-btn.is-copied {
  color: var(--green);
}

.copy-btn.is-selected {
  color: var(--primary-ink);
}

.callout-warn {
  border-color: rgba(255,184,0,0.28);
  background: linear-gradient(135deg, rgba(255,184,0,0.11), rgba(255,184,0,0.03));
}

.table-wrap {
  position: relative;
  max-width: 100%;
  overflow-x: auto;
  margin: var(--s4) 0 var(--s5);
  border: 1px solid rgba(75, 104, 151, 0.34);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(15, 22, 36, 0.92), rgba(6, 10, 18, 0.98)),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.018) 0 1px, transparent 1px 3px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    inset 0 0 0 1px rgba(0,198,255,0.025),
    0 20px 56px -34px rgba(0,198,255,0.45);
  padding-top: 42px;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: rgba(123,168,255,0.45) rgba(255,255,255,0.04);
  scrollbar-width: thin;
}

.table-wrap::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 42px;
  border-bottom: 1px solid rgba(75, 104, 151, 0.24);
  background:
    linear-gradient(180deg, rgba(14, 20, 33, 0.98), rgba(10, 15, 26, 0.92)),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.018) 0 1px, transparent 1px 3px);
  pointer-events: none;
}

.table-wrap::after {
  content: "";
  position: absolute;
  top: 16px;
  left: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ec5f78;
  box-shadow: 20px 0 #f6c863, 40px 0 #4fd1c5;
  pointer-events: none;
}

.api-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  color: var(--text-soft);
  font-size: 15px;
}

.field-table th:nth-child(1),
.field-table td:nth-child(1) {
  width: 28%;
}

.field-table th:nth-child(2),
.field-table td:nth-child(2) {
  width: 92px;
}

.status-table th:nth-child(1),
.status-table td:nth-child(1) {
  width: 120px;
}

.setting-table th:nth-child(1),
.setting-table td:nth-child(1),
.rule-table th:nth-child(1),
.rule-table td:nth-child(1) {
  width: 24%;
}

.setting-table th:nth-child(2),
.setting-table td:nth-child(2),
.rule-table th:nth-child(2),
.rule-table td:nth-child(2) {
  width: 24%;
}

.api-table th,
.api-table td {
  border-bottom: 1px solid rgba(75, 104, 151, 0.24);
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
}

.api-table th {
  color: #8f9bb1;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.api-table tr:last-child td {
  border-bottom: 0;
}

.api-table tbody tr {
  transition: background var(--dur-fast) var(--ease-out);
}

.api-table tbody tr:hover {
  background: rgba(255,255,255,0.025);
}

.api-table td:first-child {
  white-space: nowrap;
}

.api-table td:first-child code,
.api-table td code {
  border-color: rgba(123,168,255,0.16);
  background: rgba(29, 40, 61, 0.82);
  color: #dbe7f8;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.035);
}

.field-table .req {
  font-weight: 800;
  text-transform: lowercase;
}

.field-table .req-yes {
  color: var(--green);
}

.field-table .req-no {
  color: #aeb6c5;
}

.callout {
  display: flex;
  gap: var(--s4);
  margin: var(--s6) 0;
  border: 1px solid rgba(47,107,255,0.28);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(47,107,255,0.11), rgba(0,198,255,0.04));
  padding: var(--s5);
}

.callout strong {
  color: var(--text);
}

.steps {
  counter-reset: step;
  display: grid;
  gap: var(--s4);
  margin: var(--s5) 0 var(--s6);
}

.step {
  position: relative;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  background: var(--glass);
  padding: var(--s5) var(--s5) var(--s5) 70px;
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: var(--s5);
  top: var(--s5);
  color: var(--primary-ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
}

.step h3 {
  margin-top: 0;
}

.article-aside {
  position: sticky;
  top: calc(var(--nav-h) + var(--s5));
  display: grid;
  gap: var(--s4);
}

.article-side-card,
.feedback-card {
  padding: var(--s5);
}

.article-side-card h2,
.feedback-card h2 {
  margin-bottom: var(--s4);
  font-size: 18px;
  letter-spacing: 0;
}

.toc {
  display: grid;
  gap: var(--s3);
}

.toc a {
  color: var(--text-soft);
  font-size: var(--fs-sm);
}

.toc a:hover {
  color: var(--text);
}

.related-link {
  display: block;
  border-top: 1px solid var(--border-soft);
  margin-top: var(--s4);
  padding-top: var(--s4);
  color: var(--text);
  font-weight: 700;
}

.feedback-actions {
  display: flex;
  gap: var(--s3);
  margin-top: var(--s4);
}

.reaction-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  min-height: 40px;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-pill);
  background: var(--glass);
  color: var(--text-soft);
  padding: 8px 12px;
}

.reaction-btn:hover,
.reaction-btn.is-selected {
  border-color: rgba(123,168,255,0.45);
  color: var(--text);
}

.feedback-note {
  display: none;
  margin-top: var(--s3);
  color: var(--green);
  font-size: var(--fs-sm);
}

.feedback-note.open {
  display: block;
}

.not-found {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: calc(var(--nav-h) + var(--s7)) var(--s5) var(--s7);
}

.not-found-card {
  max-width: 640px;
  padding: var(--s7);
  text-align: center;
}

.not-found-card h1 {
  margin-bottom: var(--s4);
  font-size: var(--fs-h1);
}

.not-found-card p {
  margin-bottom: var(--s6);
  color: var(--text-soft);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}

.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 1080px) {
  .hero-shell,
  .collections,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 520px;
  }

  .article-aside {
    position: static;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: fixed;
    inset: 0;
    z-index: 99;
    display: flex;
    flex-direction: column;
    gap: var(--s6);
    padding: calc(var(--nav-h) + var(--s6)) var(--s6) var(--s6);
    background: rgba(8,8,9,0.94);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur) var(--ease-out), visibility var(--dur);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: var(--s2);
    margin: 0;
  }

  .nav-links a {
    border: 1px solid var(--border-soft);
    border-radius: var(--r-md);
    background: var(--glass);
    padding: 14px var(--s4);
    font-size: var(--fs-lead);
  }

  .nav-links a.active::after {
    display: none;
  }

  .nav-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-actions .btn {
    width: 100%;
  }

  .quick-topics,
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-grid {
    inset-inline: 0;
  }

  .container {
    padding-inline: var(--s5);
  }

  .hero {
    padding-top: calc(var(--nav-h) + var(--s7));
  }

  .hero h1,
  .article-hero h1 {
    font-size: clamp(36px, 11vw, 54px);
  }

  .hero-search {
    margin-top: var(--s5);
  }

  .search-box {
    min-height: 62px;
  }

  .search-box input {
    font-size: 16px;
    padding-left: 52px;
    padding-right: 58px;
  }

  .search-icon {
    left: var(--s4);
  }

  .search-result {
    grid-template-columns: 36px 1fr;
  }

  .search-result .article-arrow {
    display: none;
  }

  .quick-topics,
  .featured-grid,
  .contact-grid,
  .footer-top,
  .article-aside {
    grid-template-columns: 1fr;
  }

  .collection-head {
    flex-direction: column;
  }

  .article-shell {
    padding: var(--s5);
  }

  .callout {
    flex-direction: column;
  }

  .article-content pre,
  .code-block {
    border-radius: 14px;
    padding: 56px var(--s4) var(--s4);
  }

  .article-content pre code,
  .code-block code {
    width: 100%;
    min-width: 0;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }

  .api-table {
    min-width: 0;
  }

  .table-wrap {
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    padding-top: 0;
  }

  .table-wrap::before,
  .table-wrap::after {
    display: none;
  }

  .api-table,
  .api-table thead,
  .api-table tbody,
  .api-table tr,
  .api-table th,
  .api-table td {
    display: block;
    width: 100%;
  }

  .api-table thead {
    display: none;
  }

  .api-table tr {
    border: 1px solid rgba(75, 104, 151, 0.24);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(11, 17, 28, 0.88), rgba(6, 9, 15, 0.96));
    margin-bottom: var(--s3);
    padding: var(--s4);
  }

  .api-table td {
    border-bottom: 0;
    padding: 6px 0;
  }

  .api-table td:first-child {
    white-space: normal;
  }

  .field-table td:nth-child(2)::before,
  .status-table td:nth-child(2)::before,
  .setting-table td:nth-child(2)::before,
  .rule-table td:nth-child(2)::before,
  .setting-table td:nth-child(3)::before,
  .rule-table td:nth-child(3)::before {
    color: #8f9bb1;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
  }

  .field-table td:nth-child(2)::before {
    content: "Req: ";
  }

  .status-table td:nth-child(2)::before {
    content: "Meaning: ";
  }

  .setting-table td:nth-child(2)::before {
    content: "Default: ";
  }

  .setting-table td:nth-child(3)::before {
    content: "Meaning: ";
  }

  .rule-table td:nth-child(2)::before {
    content: "Trips: ";
  }

  .rule-table td:nth-child(3)::before {
    content: "Use: ";
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: var(--s4);
  }

  .section {
    padding-block: var(--s8);
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .article-row,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .step {
    padding-left: var(--s5);
    padding-top: var(--s8);
  }
}