:root {
  --bg-0: #0f1419;
  --bg-1: #141c24;
  --bg-2: #1a2332;
  --bg-3: #20293a;
  --bg-glass: rgba(15, 20, 25, 0.88);
  --border: rgba(180, 210, 240, 0.08);
  --border-bright: rgba(180, 210, 240, 0.16);
  --border-accent: rgba(0, 180, 216, 0.28);
  --text-1: #cdd9e5;
  --text-2: #8da5bc;
  --text-3: #5a7a96;
  --accent: #00b4d8;
  --accent-dim: rgba(0, 180, 216, 0.10);
  --accent-glow: rgba(0, 180, 216, 0.16);
  --accent-bright: #48cae4;
  --hot: #e0a870;
  --hot-dim: rgba(224, 168, 112, 0.10);
  --green: #7ab893;
  --green-dim: rgba(122, 184, 147, 0.10);
  --red: #e07080;
  --red-dim: rgba(224, 112, 128, 0.08);
  --purple: #a890d8;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.5), 0 1px 4px rgba(0,0,0,0.6);
  --shadow-terminal: 0 24px 64px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,180,216,0.12);
  --sidebar-w: 240px;
}

[data-theme=light] {
  --bg-0: #f0f4f8;
  --bg-1: #e8eff5;
  --bg-2: #dde6ef;
  --bg-3: #d0dce8;
  --bg-glass: rgba(240, 244, 248, 0.92);
  --border: rgba(30, 60, 90, 0.10);
  --border-bright: rgba(30, 60, 90, 0.20);
  --border-accent: rgba(0, 120, 160, 0.35);
  --text-1: #0d1f2d;
  --text-2: #2a4a6a;
  --text-3: #4a6a8a;
  --accent: #0077a0;
  --accent-dim: rgba(0, 119, 160, 0.10);
  --accent-glow: rgba(0, 119, 160, 0.14);
  --accent-bright: #0090c0;
  --hot: #a06020;
  --hot-dim: rgba(160, 96, 32, 0.08);
  --green: #2a7050;
  --green-dim: rgba(42, 112, 80, 0.10);
  --red: #902030;
  --red-dim: rgba(144, 32, 48, 0.08);
  --purple: #504090;
  --shadow-card: 0 4px 24px rgba(20,40,60,0.08), 0 1px 4px rgba(20,40,60,0.10);
  --shadow-terminal: 0 16px 48px rgba(20,40,60,0.13), 0 0 0 1px rgba(30,60,90,0.13);
}

html {
  overflow-x: hidden;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.35s, color 0.35s;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 9999;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 60px;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.nav-logo:hover {
  opacity: 1;
}

.nav-logo-svg .n-bracket {
  stroke: #00b4d8;
}

.nav-logo-svg .n-text {
  fill: var(--text-2);
}

[data-theme=light] .nav-logo-svg .n-bracket {
  stroke: #0077a0;
}

[data-theme=light] .nav-logo-svg .n-text {
  fill: var(--text-2);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-link {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: var(--text-2);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border-bright);
  border-radius: 6px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-1);
  border-color: var(--border-accent);
  background: var(--accent-dim);
}

.nav-link.active {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-dim);
}

.nav-link svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.btn-theme {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-bright);
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.btn-theme:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-dim);
}

.btn-theme svg {
  width: 16px;
  height: 16px;
}

.icon-sun {
  display: none;
}

.icon-moon {
  display: block;
}

[data-theme=light] .icon-sun {
  display: block;
}

[data-theme=light] .icon-moon {
  display: none;
}

.btn-menu {
  display: none;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  border: 1px solid var(--border-bright);
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.btn-menu:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-dim);
}

.btn-menu svg {
  width: 16px;
  height: 16px;
}

footer {
  border-top: 1px solid var(--border);
  background: var(--bg-1);
  padding: 3rem 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.footer-left {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.4rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  opacity: 0.8;
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 500;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--text-2);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-link {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-bottom {
  max-width: 1100px;
  margin: 1.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
}

.footer-author {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  opacity: 0.5;
  transition: opacity 0.2s;
}
.footer-author:hover {
  opacity: 1;
}

.footer-author-by {
  font-size: 0.72rem;
  color: var(--text-3);
}

.footer-author-logo {
  height: 44px;
  width: auto;
}

.footer-author-logo--light {
  display: none;
}

.footer-author-logo--dark {
  display: block;
}

[data-theme=light] .footer-author-logo--light {
  display: block;
}
[data-theme=light] .footer-author-logo--dark {
  display: none;
}

.code-block {
  background: var(--bg-0);
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  padding: 1.2rem 1.25rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: var(--text-2);
  line-height: 1.8;
  position: relative;
  overflow-x: auto;
  margin: 1.25rem 0;
}

.code-block .kw {
  color: var(--accent);
}

.code-block .str {
  color: var(--green);
}

.code-block .cmt {
  color: var(--text-3);
}

.code-block .flag {
  color: var(--purple);
}

.code-block .hi {
  color: var(--green);
  font-weight: 500;
}

.code-block .err {
  color: var(--red);
}

.code-block .copy-btn {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  color: var(--text-3);
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.code-block .copy-btn:hover {
  color: var(--accent);
  border-color: var(--border-accent);
}

.code-label {
  font-size: 0.62rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

pre {
  background: var(--bg-0);
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  padding: 1.2rem 1.25rem;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  margin: 1.25rem 0;
  line-height: 1.8;
  width: 100%;
  box-sizing: border-box;
}
pre code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.875rem;
  color: var(--text-1);
  background: none;
  border: none;
  padding: 0;
  border-radius: 0;
}

code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82em;
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: var(--accent);
}

.hero {
  padding: 130px 2rem 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 600px;
  background: radial-gradient(ellipse at 50% 20%, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  padding: 0.3rem 0.85rem 0.3rem 0.6rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  animation: fadeUp 0.7s ease both;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink-pulse 2.5s ease infinite;
}

.hero-title {
  font-family: "JetBrains Mono", sans-serif;
  font-size: clamp(2.6rem, 6.5vw, 5.8rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.7s 0.08s ease both;
}

.title-line {
  display: block;
}

.title-accent {
  color: var(--accent);
}

.title-dim {
  color: var(--text-3);
}

.hero-sub {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--text-2);
  max-width: 500px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.7s 0.16s ease both;
}

.hero-install-wrap {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 3.5rem;
  animation: fadeUp 0.7s 0.24s ease both;
  flex-wrap: wrap;
  justify-content: center;
}

.install-cmd {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  background: var(--bg-2);
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  padding: 0.65rem 1rem;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.install-cmd:hover {
  border-color: var(--border-accent);
  background: var(--bg-3);
}

.install-cmd .p {
  color: var(--text-3);
}

.install-cmd .c {
  color: var(--accent);
}

.copy-icon {
  color: var(--text-3);
  margin-left: 0.25rem;
  transition: color 0.2s;
}

.install-cmd:hover .copy-icon {
  color: var(--accent);
}

.btn-gh {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  color: var(--text-2);
  background: transparent;
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  padding: 0.65rem 1.1rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-gh:hover {
  color: var(--text-1);
  border-color: var(--border-accent);
  background: var(--accent-dim);
}

.btn-gh svg {
  width: 15px;
  height: 15px;
}

.terminal-container {
  width: 100%;
  max-width: 820px;
  animation: fadeUp 0.7s 0.32s ease both;
  position: relative;
  z-index: 1;
}

.terminal {
  background: var(--bg-1);
  border: 1px solid var(--border-bright);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-terminal);
}

.terminal-topbar {
  background: var(--bg-2);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.tbar-dots {
  display: flex;
  gap: 6px;
}

.tdot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.tdot.r {
  background: #ff5f57;
}

.tdot.y {
  background: #ffbd2e;
}

.tdot.g {
  background: #28c841;
}

.tbar-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  color: var(--text-2);
  margin-left: 0.5rem;
  flex: 1;
  text-align: center;
}

.tbar-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  color: var(--text-2);
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.terminal-body {
  padding: 1.1rem 1.2rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  line-height: 1;
  height: 260px;
  overflow-y: auto;
  text-align: left;
  scrollbar-width: none;
}

.terminal-body::-webkit-scrollbar {
  display: none;
}

.t-line {
  display: block;
  white-space: pre;
  overflow: hidden;
  text-align: left;
  transition: max-height 0.35s ease, opacity 0.35s ease, transform 0.35s ease;
  max-height: 2em;
}

.t-line.collapsing {
  max-height: 0;
  opacity: 0;
  transform: scaleY(0.2);
  transform-origin: top;
}

.t-cmd .prompt {
  color: var(--accent);
}

.t-cmd .cmd-text {
  color: var(--text-1);
  font-weight: 500;
}

.t-out {
  color: var(--text-3);
}

.t-info {
  color: var(--green);
}

.t-stat {
  color: var(--accent);
  font-weight: 500;
}

.t-warn {
  color: var(--hot);
}

.t-comment {
  color: var(--text-3);
  font-style: italic;
}

.t-cursor {
  display: inline-block;
  width: 7px;
  height: 0.9em;
  background: var(--accent);
  animation: cursor-blink 1s step-end infinite;
  vertical-align: text-bottom;
  border-radius: 1px;
}

.demo-progress {
  display: flex;
  gap: 6px;
  padding: 0.6rem 1.2rem;
  border-top: 1px solid var(--border);
  align-items: center;
}

.prog-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  color: var(--text-2);
  margin-left: auto;
}

.stats-band {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}

.stats-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.stat-cell {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--border);
  text-align: center;
}

.stat-cell:last-child {
  border-right: none;
}

.stat-num {
  font-family: "JetBrains Mono", sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.4rem;
  letter-spacing: -0.03em;
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.4;
}

.wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 2rem;
}

.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: "JetBrains Mono", sans-serif;
  font-size: clamp(1.75rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 480px;
}

#problem {
  background: var(--bg-0);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.snapshot-visual {
  background: var(--bg-1);
  border: 1px solid var(--border-bright);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.snapshot-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  color: var(--text-3);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.snapshot-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}

.snapshot-row:last-of-type {
  border-bottom: none;
}

.snapshot-row.lost .snapshot-icon {
  color: var(--red);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.snapshot-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.2rem;
}

.snapshot-value {
  font-size: 0.8rem;
  color: var(--text-2);
  font-family: "JetBrains Mono", monospace;
}

.snapshot-divider {
  border-top: 1px solid var(--border-bright);
  margin: 1rem 0 0.75rem;
}

.snapshot-with {
  text-align: center;
}

#how {
  background: var(--bg-1);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.step-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}

.step-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.step-number {
  font-family: "JetBrains Mono", sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 1rem;
}

.step-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--accent);
}

.step-icon svg {
  width: 20px;
  height: 20px;
}

.step-title {
  font-family: "JetBrains Mono", sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}

.step-body {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.65;
}

#philosophy {
  background: var(--bg-1);
}

.phil-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.phil-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s;
}

.phil-card:hover {
  border-color: var(--border-accent);
}

.phil-card--accent {
  border-color: var(--border-accent);
  background: var(--accent-dim);
}

.phil-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.phil-text {
  font-size: 0.92rem;
  color: var(--text-1);
  line-height: 1.75;
}

#install {
  background: var(--bg-1);
}

.install-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-3);
  padding: 3px;
  border-radius: 8px;
  margin-bottom: 1px;
}

.tab-btn {
  flex: 1;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  color: var(--text-2);
  background: transparent;
  border: none;
  padding: 0.45rem 0.6rem;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab-btn.active {
  color: var(--text-1);
  background: var(--bg-1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes blink-pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 6px var(--accent);
  }
  50% {
    opacity: 0.35;
    box-shadow: none;
  }
}
@keyframes cursor-blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}
.ctx-logo-anim {
  margin-bottom: 2rem;
  animation: fadeUp 0.7s ease both;
}

.ctx-logo-anim svg {
  display: block;
  overflow: visible;
}

.cl-bline {
  stroke: #00b4d8;
}

[data-theme=light] .cl-bline {
  stroke: #0077a0;
}

.cl-text {
  fill: var(--text-1);
  animation: cl-text 6s ease-in-out infinite;
}

.cl-tl {
  transform-origin: 20px 15px;
  animation: cl-corner-tl 6s ease-in-out infinite;
}

.cl-tr {
  transform-origin: 180px 15px;
  animation: cl-corner-tr 6s ease-in-out infinite;
}

.cl-bl {
  transform-origin: 20px 85px;
  animation: cl-corner-bl 6s ease-in-out infinite;
}

.cl-br {
  transform-origin: 180px 85px;
  animation: cl-corner-br 6s ease-in-out infinite;
}

@keyframes cl-corner-tl {
  0%, 5% {
    transform: translate(-18px, -18px);
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  35% {
    transform: translate(0, 0);
    opacity: 1;
  }
  80% {
    transform: translate(0, 0);
    opacity: 1;
  }
  92% {
    transform: translate(0, 0);
    opacity: 0;
  }
  100% {
    transform: translate(-18px, -18px);
    opacity: 0;
  }
}
@keyframes cl-corner-tr {
  0%, 5% {
    transform: translate(18px, -18px);
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  35% {
    transform: translate(0, 0);
    opacity: 1;
  }
  80% {
    transform: translate(0, 0);
    opacity: 1;
  }
  92% {
    transform: translate(0, 0);
    opacity: 0;
  }
  100% {
    transform: translate(18px, -18px);
    opacity: 0;
  }
}
@keyframes cl-corner-bl {
  0%, 5% {
    transform: translate(-18px, 18px);
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  35% {
    transform: translate(0, 0);
    opacity: 1;
  }
  80% {
    transform: translate(0, 0);
    opacity: 1;
  }
  92% {
    transform: translate(0, 0);
    opacity: 0;
  }
  100% {
    transform: translate(-18px, 18px);
    opacity: 0;
  }
}
@keyframes cl-corner-br {
  0%, 5% {
    transform: translate(18px, 18px);
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  35% {
    transform: translate(0, 0);
    opacity: 1;
  }
  80% {
    transform: translate(0, 0);
    opacity: 1;
  }
  92% {
    transform: translate(0, 0);
    opacity: 0;
  }
  100% {
    transform: translate(18px, 18px);
    opacity: 0;
  }
}
@keyframes cl-text {
  0%, 30% {
    opacity: 0;
  }
  38% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  90% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}
.docs-layout {
  display: flex;
  min-height: 100vh;
  padding-top: 60px;
}

.sidebar {
  position: fixed;
  top: 60px;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
  scrollbar-width: thin;
  scrollbar-color: var(--border-bright) transparent;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border-bright);
  border-radius: 2px;
}

.sidebar-inner {
  padding: 1.5rem 0 3rem;
}

.sidebar-group {
  margin-bottom: 0.25rem;
}

.sidebar-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 0.75rem 1.25rem 0.35rem;
  display: block;
}

.sidebar-link {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-2);
  text-decoration: none;
  display: flex;
  align-items: center;
  padding: 0.42rem 1.25rem;
  border-left: 2px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-link:hover {
  color: var(--text-1);
  background: var(--accent-dim);
}

.sidebar-link.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-dim);
}

.sidebar-link.sub {
  padding-left: 2rem;
  font-size: 0.72rem;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

.sidebar-overlay.open {
  display: block;
}

.docs-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  padding: 3rem 3.5rem 6rem;
  max-width: calc(100% - var(--sidebar-w));
}

.docs-section {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.docs-section:first-child {
  padding-top: 0;
}

.docs-content ul, .docs-content ol {
  padding-left: 1.5rem;
  margin: 0.75rem 0;
}
.docs-content ul li, .docs-content ol li {
  margin-bottom: 0.4rem;
}

.docs-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: transparent;
  transition: text-decoration-color 0.15s;
}
.docs-content a:hover {
  text-decoration-color: var(--accent);
}

.doc-eyebrow {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.doc-h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  color: var(--text-1);
}

.doc-h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 2.5rem;
  margin-bottom: 0.85rem;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.doc-h3::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}

.doc-p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.85;
  margin-bottom: 1rem;
}

.doc-p + .doc-p {
  margin-top: 0.5rem;
}

.callout {
  display: flex;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-radius: 8px;
  margin: 1.25rem 0;
  font-size: 0.82rem;
  line-height: 1.7;
  border: 1px solid;
}

.callout-icon {
  flex-shrink: 0;
  font-size: 1rem;
  line-height: 1.7;
}

.callout.note {
  background: var(--accent-dim);
  border-color: var(--border-accent);
  color: var(--text-2);
}

.callout.warn {
  background: var(--hot-dim);
  border-color: rgba(200, 144, 120, 0.28);
  color: var(--text-2);
}

.callout.warn .callout-icon {
  color: var(--hot);
}

.callout.note .callout-icon {
  color: var(--accent);
}

.doc-table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: 8px;
  border: 1px solid var(--border-bright);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

thead th {
  background: var(--bg-2);
  padding: 0.65rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-2);
  border-bottom: 1px solid var(--border-bright);
}

tbody td {
  padding: 0.6rem 1rem;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover td {
  background: var(--bg-1);
}

.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0;
}

@media (max-width: 900px) {
  .problem-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .problem-inner > * {
    min-width: 0;
  }
  .install-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .install-inner > * {
    min-width: 0;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .phil-grid {
    grid-template-columns: 1fr;
  }
  .stats-inner {
    grid-template-columns: 1fr;
  }
  .stat-cell {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .stat-cell:last-child {
    border-bottom: none;
  }
}
@media (max-width: 600px) {
  nav {
    padding: 0 1rem;
  }
  .nav-link span {
    display: none;
  }
  .nav-right .nav-link:not(:nth-of-type(2)) {
    display: none;
  }
  section {
    padding: 4rem 1rem;
  }
  .hero {
    padding: 100px 1rem 60px;
  }
  .hero-title {
    letter-spacing: -0.025em;
  }
  .footer-inner {
    flex-direction: column;
    align-items: center;
  }
  .hero-install-wrap {
    flex-direction: column;
    align-items: stretch;
  }
  .install-cmd, .btn-gh {
    justify-content: center;
  }
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .tab-btn {
    flex: 0 0 auto;
    font-size: 0.65rem;
    padding: 0.4rem 0.5rem;
  }
  .code-block {
    overflow-x: hidden;
    overflow-wrap: break-word;
    word-break: break-all;
  }
  .wrapper {
    padding: 0 1rem;
  }
}
@media (max-width: 1024px) {
  .docs-content {
    padding: 2.5rem 2rem 6rem;
  }
}
@media (max-width: 768px) {
  :root {
    --sidebar-w: 260px;
  }
  .docs-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .docs-content thead th,
  .docs-content tbody td {
    white-space: nowrap;
  }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 150;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .docs-content {
    margin-left: 0;
    max-width: 100%;
    padding: 2rem 1.25rem 6rem;
  }
  .btn-menu {
    display: flex;
  }
  .docs-nav .nav-link {
    display: none;
  }
}
@media (max-width: 600px) {
  nav {
    padding: 0 1rem;
  }
  .nav-link span {
    display: none;
  }
  .footer-inner {
    flex-direction: column;
    align-items: center;
  }
}