/* ── Custom Properties ──────────────────────────────────────── */
:root {
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --max-w: 1100px;
  --t-fast: 150ms ease;
  --t-base: 240ms ease;
  --t-slow: 380ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #0c0c0f;
  --bg2: #131318;
  --bg3: #1a1a22;
  --bg4: #22222e;
  --border: rgba(255, 255, 255, 0.07);
  --border2: rgba(255, 255, 255, 0.13);
  --text: #e2e2ee;
  --text2: #8585a5;
  --text3: #50506a;
  --accent: #ff6b35;
  --accent-h: #ff8555;
  --accent-fg: #fff;
  --success: #5ecc7b;
  --info: #70b8ff;
  --warn: #f5c842;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 10px 50px rgba(0, 0, 0, 0.55);
  --hljs-theme: "https://cdn.jsdelivr.net/npm/highlight.js@11.9.0/styles/github-dark.min.css";
}

[data-theme="light"] {
  --bg: #f4f4f8;
  --bg2: #ffffff;
  --bg3: #eaeaf2;
  --bg4: #dddde8;
  --border: rgba(0, 0, 0, 0.08);
  --border2: rgba(0, 0, 0, 0.14);
  --text: #18182c;
  --text2: #56567a;
  --text3: #8888a0;
  --accent: #cc4a12;
  --accent-h: #e05520;
  --accent-fg: #fff;
  --success: #2a9a52;
  --info: #2a6ed4;
  --warn: #c4900a;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.09);
  --shadow-lg: 0 10px 50px rgba(0, 0, 0, 0.13);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition:
    background var(--t-slow),
    color var(--t-slow);
}

a {
  color: inherit;
  text-decoration: none;
}
button {
  cursor: pointer;
  font: inherit;
  background: none;
  border: none;
  color: inherit;
}
ul {
  list-style: none;
}
img,
svg {
  display: block;
  max-width: 100%;
}

.docs-body img {
  border-radius: var(--radius);
  max-width: 100%;
  height: auto;
}

/* ── Container ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Keyframes ──────────────────────────────────────────────── */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.7);
  }
}

@keyframes glow-breathe {
  0%,
  100% {
    opacity: 0.04;
  }
  50% {
    opacity: 0.08;
  }
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

@keyframes hi-line {
  to {
    transform: scaleX(1);
  }
}

@keyframes cursor-blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

@keyframes slide-in-right {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes slide-in-left {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

/* ── Navbar ─────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  height: 60px;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
  transition:
    box-shadow var(--t-base),
    border-color var(--t-base);
}

#navbar.scrolled {
  box-shadow: var(--shadow);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-svg {
  height: 75px;
  width: auto;
  display: block;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.nav-link {
  position: relative;
  padding: 0.4rem 0.8rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: color var(--t-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 50%;
  right: 50%;
  height: 1.5px;
  background: var(--accent);
  border-radius: 99px;
  transition:
    left var(--t-base),
    right var(--t-base);
}

.nav-link:hover {
  color: var(--text);
}
.nav-link:hover::after {
  left: 12px;
  right: 12px;
}

/* Nav right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-gh {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text2);
  transition:
    color var(--t-fast),
    border-color var(--t-fast),
    background var(--t-fast),
    transform var(--t-fast);
}

.nav-gh:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  transform: translateY(-1px);
}

.theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2);
  transition:
    color var(--t-fast),
    border-color var(--t-fast),
    background var(--t-fast),
    transform var(--t-base);
}

.theme-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  transform: rotate(22deg) scale(1.06);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  padding: 0 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.nav-hamburger span {
  display: block;
  height: 1.5px;
  background: var(--text2);
  border-radius: 2px;
  transform-origin: center;
  transition:
    transform var(--t-base),
    opacity var(--t-base);
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── Mobile Nav ─────────────────────────────────────────────── */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 950;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base);
}

.mobile-nav-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  max-width: 85vw;
  height: 100%;
  background: var(--bg);
  z-index: 960;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .mobile-nav-panel {
  background: #ffffff;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
}

.mobile-nav-panel.open {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.mobile-close-btn {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-close-btn:hover {
  color: var(--text);
  background: var(--bg2);
}

.mobile-nav-body {
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
  overflow-y: auto;
}

.mobile-nav-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text2);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  text-align: left;
  transition: all var(--t-fast);
}

.mobile-nav-item i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
  opacity: 0.8;
}

.mobile-nav-item:hover, .mobile-nav-item:active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-color: color-mix(in srgb, var(--accent) 20%, transparent);
}

/* ── Hero ───────────────────────────────────────────────────── */
#landing {
  position: relative;
}
#landing.hidden {
  display: none;
}

.hero {
  position: relative;
  padding: 140px 0 160px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -80px;
  right: -100px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.06;
  filter: blur(90px);
  pointer-events: none;
  animation: glow-breathe 7s ease-in-out infinite;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.875rem;
  border: 1px solid var(--border2);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
  animation: pulse-dot 2.2s ease-in-out infinite;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.hi {
  color: var(--accent);
  position: relative;
  display: inline-block;
  font-family: "Pacifico", cursive;
  font-weight: 400;
  font-size: 1.1em;
  line-height: 1;
  vertical-align: baseline;
}

.hi::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  /* triggered by JS once typing finishes */
}

.hi.typed::after {
  animation: hi-line 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.pace-cursor {
  display: inline;
  font-family: var(--font-sans);
  font-size: 0.75em;
  font-weight: 300;
  color: var(--accent);
  animation: cursor-blink 0.65s step-end infinite;
  margin-left: 2px;
  vertical-align: middle;
  line-height: 1;
}

.hero-sub {
  font-size: 1.0625rem;
  color: var(--text2);
  line-height: 1.72;
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  border: 2px solid var(--accent);
  position: relative;
  overflow: hidden;
  transition:
    transform var(--t-fast),
    box-shadow var(--t-fast),
    background var(--t-fast),
    border-color var(--t-fast);
}

.btn-arr {
  display: inline-block;
  font-size: 1em;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  vertical-align: middle;
  position: relative;
  top: -0.05em;
  transition:
    transform var(--t-base),
    color var(--t-fast);
}

.btn-primary:hover .btn-arr {
  transform: translateX(4px);
}

.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  transition: opacity var(--t-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 7px 24px color-mix(in srgb, var(--accent) 38%, transparent);
}

.btn-primary:hover::after {
  opacity: 0.1;
}
.btn-primary:active {
  transform: translateY(1px);
  box-shadow: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.5rem;
  background: transparent;
  color: var(--text2);
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  border: 1.5px solid var(--border2);
  transition:
    color var(--t-fast),
    border-color var(--t-fast),
    background var(--t-fast),
    transform var(--t-fast);
}

.btn-secondary:hover {
  color: var(--text);
  border-color: var(--text2);
  background: color-mix(in srgb, var(--text) 5%, transparent);
  transform: translateY(-2px);
}

/* ── Terminal Mockup ────────────────────────────────────────── */
.hero-terminal {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition:
    transform var(--t-slow),
    box-shadow var(--t-slow);
}

.hero-terminal:hover {
  transform: translateY(-6px) scale(1.015);
  box-shadow:
    0 22px 72px rgba(0, 0, 0, 0.35),
    0 0 0 1px var(--border2);
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1rem;
  background: var(--bg4);
  border-bottom: 1px solid var(--border);
}

.tb {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex-shrink: 0;
}
.tb.r {
  background: #ff5f57;
}
.tb.y {
  background: #febc2e;
}
.tb.g {
  background: #28c840;
}

.term-title {
  flex: 1;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text3);
  letter-spacing: 0.02em;
}

.term-body {
  padding: 1.25rem 1.25rem 1.5rem;
  line-height: 1.9;
  min-height: 240px;
}

.tl {
  display: flex;
  align-items: baseline;
  gap: 0.5em;
}
.tin {
  padding-left: 1.25em;
}
.tp {
  color: var(--accent);
  font-weight: 600;
  flex-shrink: 0;
}
.tc {
  color: var(--text);
}
.tco {
  color: var(--text3);
  font-style: italic;
}
.ti {
  color: var(--info);
}
.td {
  color: var(--text2);
}
.ts {
  color: var(--success);
  font-weight: 600;
}
.tc2 {
  color: var(--warn);
}

.term-cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  background: var(--accent);
  border-radius: 1px;
  vertical-align: text-bottom;
  margin-left: 1px;
  animation: blink 1.1s step-end infinite;
}

/* ── Stats Bar ──────────────────────────────────────────────── */
.stats-bar {
  padding: 2.25rem 0;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}

.stats-grid > div {
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: background var(--t-base);
}

.stats-grid > div:hover {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.stat-val {
  font-family: var(--font-mono);
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--accent);
  transition: transform var(--t-base);
}

.stats-grid > div:hover .stat-val {
  transform: scale(1.1);
}

.stat-lbl {
  font-size: 0.8125rem;
  color: var(--text2);
  margin-top: 0.25rem;
  font-weight: 500;
}

/* ── Sections ───────────────────────────────────────────────── */
.section {
  padding: 5rem 0;
}

#how-it-works {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 3.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--text2);
  line-height: 1.7;
}

/* ── Drift Steps ────────────────────────────────────────────── */
.drift-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
}

.drift-steps::before {
  content: "";
  position: absolute;
  top: 27px;
  left: calc(10% + 6px);
  right: calc(10% + 6px);
  height: 1px;
  background: var(--border2);
  pointer-events: none;
}

.drift-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 0.5rem 0.5rem;
  transition: transform var(--t-base);
}

.drift-step:hover {
  transform: translateY(-7px);
}

.ds-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text3);
  margin-bottom: 1rem;
  transition:
    border-color var(--t-base),
    color var(--t-base),
    background var(--t-base),
    box-shadow var(--t-base);
}

.drift-step:hover .ds-icon {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 10%, transparent);
}

.ds-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.ds-desc {
  font-size: 0.8rem;
  color: var(--text2);
  line-height: 1.5;
}

/* ── Feature Cards ──────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feat-card {
  padding: 1.75rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--t-base),
    transform var(--t-base),
    box-shadow var(--t-base);
}

/* Accent top-border reveal on hover */
.feat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-slow);
}

.feat-card:hover {
  border-color: var(--border2);
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  background: color-mix(in srgb, var(--accent) 4%, var(--bg2));
}

.feat-card:hover::before {
  transform: scaleX(1);
}

.feat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 9%, var(--bg3));
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 1.1rem;
  transition:
    transform var(--t-base),
    background var(--t-base);
}

.feat-card:hover .feat-icon {
  transform: scale(1.1) rotate(-5deg);
  background: color-mix(in srgb, var(--accent) 15%, var(--bg3));
}

.feat-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.feat-desc {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.65;
}

/* ── FAQ Accordion ─────────────────────────────────────────── */
.faq-section {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition:
    border-color var(--t-base),
    box-shadow var(--t-base);
}

.faq-item[open] {
  border-color: var(--border2);
  box-shadow: var(--shadow);
}

.faq-item[open]::before {
  content: "";
  display: block;
  height: 2px;
  background: var(--accent);
  transform-origin: left;
  animation: hi-line 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.15rem 1.4rem;
  font-size: 0.9875rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition:
    color var(--t-fast),
    background var(--t-fast);
}

.faq-q::-webkit-details-marker {
  display: none;
}

.faq-q:hover {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}

.faq-chevron {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--text3);
  transition:
    transform var(--t-base),
    color var(--t-base);
}

.faq-q:hover .faq-chevron {
  color: var(--accent);
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-a {
  padding: 0 1.4rem 1.25rem;
  animation: faq-expand 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes faq-expand {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-a p {
  font-size: 0.9rem;
  color: var(--text2);
  line-height: 1.75;
  margin: 0;
}

.faq-a code {
  font-family: var(--font-mono);
  font-size: 0.82em;
  background: color-mix(in srgb, var(--accent) 8%, var(--bg3));
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  color: var(--accent);
}

/* ── CTA Section ────────────────────────────────────────────── */
.cta-section {
  padding: 5rem 0;
}

.cta-inner {
  text-align: center;
  padding: 4.5rem 2rem;
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  background: var(--bg2);
  position: relative;
  overflow: hidden;
}

/* Subtle diagonal texture — not a color gradient */
.cta-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    color-mix(in srgb, var(--accent) 3%, transparent) 0px,
    color-mix(in srgb, var(--accent) 3%, transparent) 1px,
    transparent 1px,
    transparent 22px
  );
  pointer-events: none;
}

.cta-inner h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  position: relative;
}

.cta-inner p {
  font-size: 1rem;
  color: var(--text2);
  max-width: 420px;
  margin: 0 auto 2.25rem;
  line-height: 1.72;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ── Docs Page ──────────────────────────────────────────────── */
#docs-page {
  display: none;
  padding-top: 60px;
  min-height: 100vh;
}

#docs-page.active {
  display: block;
}

.docs-mobile-topbar {
  display: none;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 60px;
  z-index: 100;
}

.docs-sidebar-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text2);
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  transition:
    color var(--t-fast),
    border-color var(--t-fast),
    background var(--t-fast);
}

.docs-sidebar-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base);
}

.sidebar-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr 200px;
  min-height: calc(100vh - 60px);
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 2.5rem;
  gap: 0 3.5rem;
}

/* Sidebar */
#docs-sidebar {
  padding: 2rem 0;
  position: sticky;
  top: 60px;
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}

.sb-group {
  margin-bottom: 1.75rem;
}

.sb-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  padding: 0 0.5rem;
  margin-bottom: 0.4rem;
}

.sb-link {
  display: block;
  padding: 0.45rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text2);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  margin-bottom: 1px;
  transition:
    color var(--t-fast),
    border-color var(--t-fast),
    background var(--t-fast),
    padding-left var(--t-base);
}

.sb-link:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 5%, transparent);
}

.sb-link.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  padding-left: 1rem;
  font-weight: 500;
}

/* Docs main */
#docs-content {
  padding: 2.5rem 0;
  min-width: 0;
}
.docs-body {
  max-width: 100%;
  width: 100%;
  overflow-wrap: break-word;
  word-break: break-word;
}

@media (min-width: 1024px) {
  .docs-body {
    max-width: 720px;
  }
}

.docs-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 0;
  gap: 1.25rem;
  color: var(--text3);
  font-size: 0.9375rem;
}

/* Docs typography */
.docs-body h1 {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.docs-body h2 {
  font-size: 1.3125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 2.5rem 0 1rem;
  color: var(--text);
}

.docs-body h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.75rem 0 0.6rem;
  color: var(--text);
}

.docs-body p {
  color: var(--text2);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.docs-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.docs-body a:hover {
  opacity: 0.75;
}

.docs-body ul,
.docs-body ol {
  list-style: revert;
  padding-left: 1.4rem;
  margin-bottom: 1rem;
  color: var(--text2);
}

.docs-body li {
  margin-bottom: 0.3rem;
  line-height: 1.7;
}

.docs-body pre {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
  max-width: 100%;
  margin: 1.25rem 0;
  font-size: 0.8125rem;
  line-height: 1.7;
}

.docs-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: color-mix(in srgb, var(--accent) 8%, var(--bg3));
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  color: var(--accent);
  word-break: break-word;
}

.docs-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: 1em;
}

.docs-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 1.1rem;
  margin: 1.25rem 0;
  color: var(--text2);
  background: color-mix(in srgb, var(--accent) 4%, var(--bg2));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.docs-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.875rem;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

.docs-body th {
  text-align: left;
  padding: 0.6rem 0.875rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.docs-body td {
  padding: 0.6rem 0.875rem;
  border: 1px solid var(--border);
  color: var(--text2);
}
.docs-body tr:hover td {
  background: color-mix(in srgb, var(--text) 3%, transparent);
}
.docs-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* Prev / Next page navigation */
.docs-page-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.docs-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius);
  flex: 1 1 100%;
  border: 1px solid var(--border2);
  background: var(--bg2);
  color: var(--text) !important;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none !important;
  line-height: 1.3;
  transition:
    background var(--t-fast),
    border-color var(--t-fast),
    color var(--t-fast),
    box-shadow var(--t-fast),
    transform var(--t-fast);
  max-width: 100%;
}
@media (min-width: 480px) {
  .docs-nav-btn {
    flex: 0 1 auto;
    max-width: calc(50% - 0.5rem);
  }
}

.docs-nav-btn:hover {
  background: var(--bg3);
  border-color: var(--accent);
  color: var(--accent) !important;
  opacity: 1 !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
  transform: translateY(-1px);
}

.docs-nav-btn:active {
  transform: translateY(0);
}

.docs-nav-btn .nav-arrow {
  font-size: 1rem;
  flex-shrink: 0;
  color: var(--accent);
  transition: transform var(--t-fast);
}

.docs-nav-prev:hover .nav-arrow {
  transform: translateX(-3px);
}

.docs-nav-next:hover .nav-arrow {
  transform: translateX(3px);
}

.docs-nav-btn .nav-label {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.docs-nav-btn .nav-hint {
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  transition: color var(--t-fast);
}

.docs-nav-btn:hover .nav-hint {
  color: color-mix(in srgb, var(--accent) 70%, var(--text3));
}

.docs-nav-btn .nav-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.docs-nav-next {
  margin-left: auto;
  text-align: right;
}

.docs-nav-next .nav-label {
  align-items: flex-end;
}

/* TOC */
#docs-toc {
  padding: 2rem 0;
  position: sticky;
  top: 60px;
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}

.toc-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 0.75rem;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.toc-list li a {
  display: block;
  font-size: 0.8125rem;
  color: var(--text2);
  padding: 0.3rem 0.75rem;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.45;
  transition:
    color var(--t-fast),
    border-color var(--t-fast),
    background var(--t-fast);
}

.toc-list li a:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 4%, transparent);
}

.toc-list li a.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

.toc-list .toc-h3 a {
  padding-left: 1.5rem;
  font-size: 0.75rem;
  color: var(--text3);
}

.toc-list .toc-h3 a.active {
  color: var(--accent);
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  background: var(--bg2);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand .nav-logo {
  margin-bottom: 1rem;
}

.footer-brand .logo-svg {
  height: 150px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.65;
  max-width: 260px;
}

.footer-col-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 1rem;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text2);
  display: inline-flex;
  align-items: center;
  transition: color var(--t-fast);
}

.footer-links a::after {
  content: "";
  display: inline-block;
  width: 13px;
  height: 10px;
  opacity: 0;
  transform: translateX(-6px);
  margin-left: 0;
  background-color: currentColor;
  clip-path: polygon(
    0 42%,
    60% 42%,
    60% 20%,
    100% 50%,
    60% 80%,
    60% 58%,
    0 58%
  );
  transition:
    opacity var(--t-base),
    transform var(--t-base),
    margin-left var(--t-base);
}

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

.footer-links a:hover::after {
  opacity: 1;
  transform: translateX(0);
  margin-left: 0.3rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text3);
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text3);
}

/* ── Selection ──────────────────────────────────────────────── */
::selection {
  background: color-mix(in srgb, var(--accent) 25%, transparent);
  color: var(--text);
}

/* ── Responsive — Tablet (≤960px) ──────────────────────────── */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-sub {
    max-width: 100%;
  }

  .drift-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .drift-steps::before {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .docs-layout {
    grid-template-columns: 220px 1fr;
  }
  #docs-toc {
    display: none;
  }
}

/* ── Responsive — Mobile (≤640px) ──────────────────────────── */
@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  .nav-gh {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }

  .hero {
    padding: 110px 0 140px;
  }
  h1 {
    font-size: 2.125rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .drift-steps {
    grid-template-columns: 1fr;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
  }
  .drift-steps::before {
    display: block;
    top: 27px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: 1px;
    height: calc(100% - 54px);
  }
  .drift-step {
    padding-bottom: 2rem;
  }
  .drift-step:last-child {
    padding-bottom: 0;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .docs-layout {
    grid-template-columns: 1fr;
    padding: 0;
    width: 100%;
    max-width: 100%;
  }
  .docs-mobile-topbar {
    display: flex;
  }
  #docs-content {
    padding: 1.5rem;
    width: 100%;
    max-width: 100%;
  }

  #docs-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    z-index: 500;
    background: var(--bg2);
    border-right: 1px solid var(--border);
    padding: 1.5rem 1rem;
    transform: translateX(-110%);
    transition: transform var(--t-slow);
  }

  #docs-sidebar.open {
    transform: translateX(0);
  }
}

/* ── Reduced motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
/* ── Dropdown ────────────────────────────────────────────────── */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-btn {
  cursor: pointer;
  padding-right: 1.25rem;
}

.dropdown-btn .dropdown-chevron {
  transition: transform var(--t-base) ease;
  margin-left: 0.25rem;
  vertical-align: middle;
}

.dropdown-btn[aria-expanded="true"] .dropdown-chevron {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  z-index: 100;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  padding: 0.5rem;
  width: max-content;
  min-width: 250px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity var(--t-fast),
    transform var(--t-fast),
    visibility var(--t-fast);
}

[data-theme="light"] .dropdown-menu {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

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

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.6rem 0.8rem;
  border-radius: calc(var(--radius) - 2px);
  color: var(--text);
  text-decoration: none;
  transition: background var(--t-fast);
}

.dropdown-item i {
  font-size: 1.2rem;
  color: var(--text2);
  width: 24px;
  text-align: center;
  transition:
    color var(--t-fast),
    transform var(--t-fast);
}

.dropdown-item:hover {
  background: var(--bg2);
}

.dropdown-item:hover i {
  color: var(--accent);
  transform: scale(1.1);
}

.dropdown-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.dropdown-text span {
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.2;
}

.dropdown-text small {
  font-size: 0.75rem;
  color: var(--text2);
  margin-top: 0.15rem;
}