/* openaiswitch — OpenClaw-inspired shell, frog-green accents from brand logo */

:root {
  /* Neutrals (OpenClaw-like) */
  --ink-950: #101012;
  --ink-900: #19191c;
  --ink-850: #202024;
  --ink-50: #ededed;
  --ink-300: #bcbcc4;
  --ink-500: #9a9aa2;
  --paper-50: #fff;
  --paper-100: #f6f5f3;
  --paper-200: #eceae6;
  --paper-950: #17171a;
  --paper-700: #46464e;
  --paper-600: #63636c;

  /* Brand greens (logo frog) — replace OpenClaw coral */
  --lime-bright: #9bda48;
  --lime-mid: #5ec640;
  --lime-deep: #33b545;
  --lime-light: #3db84a;
  --lime-light-mid: #33b545;
  --lime-light-deep: #259a38;

  /* Brand cyan (logo eye shine) — secondary like OpenClaw sea */
  --cyan-bright: #34f5e9;
  --cyan-mid: #19d9cf;
  --cyan-light: #0fb8ae;
  --cyan-light-mid: #0c9a92;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  --font-display: "Switzer", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Switzer", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Sentient", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, "SF Mono", "Fira Code", "JetBrains Mono", Menlo, Consolas, monospace;

  --duration-fast: 0.16s;
  --duration-ui: 0.2s;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --rail-max: 1060px;
  --logo-glow: #9bda4866;
}

:root,
html[data-theme="dark"] {
  color-scheme: dark;
  --bg-page: var(--ink-950);
  --bg-surface: var(--ink-900);
  --bg-elevated: var(--ink-850);
  --accent-primary: var(--lime-bright);
  --accent-primary-hover: var(--lime-mid);
  --accent-primary-deep: var(--lime-deep);
  --accent-secondary: var(--cyan-bright);
  --accent-secondary-deep: var(--cyan-mid);
  --text-primary: var(--ink-50);
  --text-secondary: var(--ink-300);
  --text-muted: var(--ink-500);
  --text-on-accent: var(--ink-950);
  --border-subtle: #9a9aa22e;
  --border-accent: #9bda4866;
  --surface-card: #19191cb8;
  --surface-card-strong: #19191ce6;
  --surface-overlay: #0000004d;
  --surface-interactive: #ededed14;
  --surface-interactive-hover: #ededed29;
  --surface-accent-soft: #9bda4824;
  --surface-secondary-soft: #34f5e924;
  --surface-inset-highlight: #ededed0d;
  --chart-line: #ededed17;
  --selection-bg: #9bda4847;
  --focus-ring: #34f5e9b8;
  --code-comment: #6d7480;
  --shadow-sm: 0 1px 2px #0000001f;
  --shadow-md: 0 8px 24px -6px #00000047;
  --shadow-lg: 0 24px 48px -12px #0000006b;
  --shadow-term: 0 24px 60px rgba(0, 0, 0, 0.35);
  --term-accent: #d6a3ff;
  --term-warn: #e6b84d;
  --logo-glow: #9bda4866;
  --theme-color: #101012;
  --grain-opacity: 0.045;
}

/* Warm paper light — OpenClaw-style optional theme */
html[data-theme="light"] {
  color-scheme: light;
  --bg-page: var(--paper-100);
  --bg-surface: var(--paper-200);
  --bg-elevated: var(--paper-50);
  --accent-primary: var(--lime-light);
  --accent-primary-hover: var(--lime-light-mid);
  --accent-primary-deep: var(--lime-light-deep);
  --accent-secondary: var(--cyan-light);
  --accent-secondary-deep: var(--cyan-light-mid);
  --text-primary: var(--paper-950);
  --text-secondary: var(--paper-700);
  --text-muted: var(--paper-600);
  --text-on-accent: var(--paper-50);
  --border-subtle: #17171a1f;
  --border-accent: #3db84a6b;
  --surface-card: #fffc;
  --surface-card-strong: #fffffff2;
  --surface-overlay: #17171a14;
  --surface-interactive: #17171a0d;
  --surface-interactive-hover: #17171a18;
  --surface-accent-soft: #3db84a1f;
  --surface-secondary-soft: #0fb8ae21;
  --surface-inset-highlight: #17171a0a;
  --chart-line: #17171a1a;
  --selection-bg: #3db84a33;
  --focus-ring: #0fb8ae94;
  --code-comment: #6b7280;
  --shadow-sm: 0 1px 2px #17171a14;
  --shadow-md: 0 10px 28px -8px #17171a22;
  --shadow-lg: 0 28px 56px -16px #17171a28;
  --shadow-term: 0 20px 48px -12px #17171a24, 0 0 0 1px #17171a0a;
  --term-accent: #9b4fd6;
  --term-warn: #b8860b;
  --logo-glow: #3db84a44;
  --theme-color: #f6f5f3;
  --grain-opacity: 0.03;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Subtle film grain (OpenClaw-like) */
body::after {
  content: "";
  z-index: 2000;
  pointer-events: none;
  opacity: var(--grain-opacity);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  position: fixed;
  inset: 0;
}

html[data-theme="light"] body::after {
  mix-blend-mode: multiply;
}

::selection {
  background: var(--selection-bg);
  color: var(--text-primary);
}

a {
  color: inherit;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

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

button {
  font: inherit;
}

/* Theme toggle — sun/moon morph (OpenClaw technique: CSS r / cx / cy) */

.theme-toggle {
  position: relative;
  z-index: 1;
  flex: none;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--surface-interactive);
}

.theme-toggle:focus-visible,
.mode-btn:focus-visible,
.hero-cta:focus-visible,
.site-nav-link:focus-visible,
.site-menu-btn:focus-visible,
.copy-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.theme-toggle svg {
  width: 17px;
  height: 17px;
  overflow: visible;
  display: block;
}

/* Moon (dark default): large disc + mask hole = crescent */
.theme-toggle .tt-core {
  fill: currentColor;
  r: 9px;
  transition: r 0.26s ease;
}

.theme-toggle .tt-hole {
  cx: 17px;
  cy: 7px;
  transition: cx 0.3s ease, cy 0.3s ease;
}

.theme-toggle .tt-rays {
  opacity: 0;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.6px;
  transform-origin: 50% 50%;
  transition: opacity 0.22s ease, transform 0.32s ease;
  transform: rotate(-40deg) scale(0.6);
}

/* Sun (light): shrink core, kick hole off-canvas, show rays */
html[data-theme="light"] .theme-toggle .tt-core {
  r: 4.4px;
}

html[data-theme="light"] .theme-toggle .tt-hole {
  cx: 32px;
  cy: -8px;
}

html[data-theme="light"] .theme-toggle .tt-rays {
  opacity: 1;
  transform: rotate(0) scale(1);
}

/* Topbar — OpenClaw-like */

.site-topbar {
  z-index: 90;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  background: color-mix(in srgb, var(--bg-page) 72%, transparent);
  backdrop-filter: saturate(140%) blur(16px);
  min-height: 54px;
  padding: 0 20px 0 32px;
  display: flex;
  position: sticky;
  top: 0;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

html[data-theme="light"] .site-topbar {
  background: color-mix(in srgb, var(--bg-page) 88%, transparent);
}

.site-brand {
  color: var(--text-primary);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  min-width: 0;
}

.site-brand img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  flex: none;
}

.site-nav {
  white-space: nowrap;
  align-items: center;
  gap: 26px;
  display: flex;
  overflow-x: auto;
  margin-left: auto;
}

.site-nav-link {
  min-height: 34px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s;
  display: inline-flex;
}

.site-nav-icon {
  flex: none;
  width: 14px;
  height: 14px;
  stroke-width: 2.1px;
}

.site-nav-icon-simple {
  fill: currentColor;
  stroke: none;
}

.site-nav-icon-lucide {
  fill: none;
  stroke: currentColor;
}

.site-nav-link:hover {
  color: var(--text-primary);
}

.site-nav-link.active {
  color: var(--accent-primary);
}

/* Theme + hamburger share one right cluster — no overlap on mobile */
.site-topbar-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  margin-left: 12px;
}

.site-menu-btn {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  flex: none;
  color: var(--text-primary);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.site-menu-btn:hover {
  background: var(--surface-interactive);
}

.site-menu-btn span {
  display: block;
  width: 14px;
  height: 1.5px;
  background: currentColor;
}

.site-menu-panel {
  position: sticky;
  top: 54px;
  z-index: 89;
  display: grid;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-page);
}

.site-menu-panel[hidden] {
  display: none;
}

.site-menu-panel a {
  padding: 0.9rem 1.25rem;
  text-decoration: none;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-menu-panel a:hover {
  color: var(--text-primary);
  background: var(--surface-interactive);
}

.site-menu-panel .site-nav-icon {
  width: 15px;
  height: 15px;
  opacity: 0.9;
}

/* Container + rail */

.container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: clip;
}

.rail {
  width: 100%;
  max-width: var(--rail-max);
  margin: 0 auto;
  padding: 0 var(--space-7);
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.rail > section {
  margin: 0;
  padding: 64px 0;
  border-top: 1px solid var(--border-subtle);
}

.rail > section.quickstart {
  border-top: none;
}

.rail > section.tools-rail {
  border-top: none;
  padding-top: 64px;
  padding-bottom: 48px;
}

/* Hero */

.hero {
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--chart-line) 1px, transparent 1.5px);
  background-size: 26px 26px;
  position: absolute;
  inset: 0;
  mask-image: linear-gradient(#000, #0000 90%);
}

.hero-art {
  z-index: 2;
  position: relative;
  pointer-events: none;
  user-select: none;
  min-height: min(48vh, 420px);
  padding: 28px 0 12px;
  display: grid;
  place-items: center;
  overflow: visible;
}

.hero-content {
  z-index: 1;
  position: relative;
}

/* Interactive walkthrough wrapper (pointer events re-enabled) */
.hero-deck {
  position: relative;
  z-index: 2;
  pointer-events: auto;
  user-select: text;
  width: min(560px, calc(100% - 2rem));
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

/* Token rain — code-like background, not abstract ASCII blobs */
.code-rain {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: space-between;
  gap: 0.35rem;
  padding: 0 4%;
  opacity: 0.42;
  overflow: hidden;
}

html[data-theme="light"] .code-rain {
  opacity: 0.28;
}

.code-col {
  flex: 1 1 0;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.58rem, 1.1vw, 0.72rem);
  line-height: 1.55;
  color: var(--accent-primary);
  white-space: nowrap;
  overflow: hidden;
  mask-image: linear-gradient(#0000, #000 12%, #000 88%, #0000);
}

.code-col-inner {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  animation: code-fall linear infinite;
  will-change: transform;
}

.code-col:nth-child(odd) .code-col-inner {
  animation-direction: reverse;
  animation-duration: 28s;
}

.code-col:nth-child(even) .code-col-inner {
  animation-duration: 36s;
}

.code-col:nth-child(3n) .code-col-inner {
  animation-duration: 22s;
  color: var(--accent-secondary);
  opacity: 0.85;
}

.code-col:nth-child(4n) .code-col-inner {
  animation-duration: 42s;
  opacity: 0.7;
}

.code-tok {
  opacity: 0.55;
}

.code-tok.kw {
  opacity: 0.95;
  color: var(--accent-primary);
}

.code-tok.fn {
  opacity: 0.8;
  color: var(--accent-secondary);
}

.code-tok.str {
  opacity: 0.7;
  color: color-mix(in srgb, var(--accent-primary) 55%, var(--text-secondary));
}

.code-tok.cmt {
  opacity: 0.4;
  color: var(--text-muted);
}

@keyframes code-fall {
  from {
    transform: translateY(-50%);
  }
  to {
    transform: translateY(0);
  }
}

/* Floating terminal window */
.hero-term {
  position: relative;
  z-index: 2;
  width: 100%;
  border: 1px solid var(--border-subtle);
  background: color-mix(in srgb, var(--bg-page) 82%, transparent);
  backdrop-filter: blur(10px);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent-primary) 10%, transparent),
    var(--shadow-term);
  overflow: hidden;
  transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

html[data-theme="light"] .hero-term {
  background: color-mix(in srgb, var(--bg-elevated) 92%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent-primary) 14%, transparent),
    var(--shadow-term);
}

.hero-term-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border-subtle);
  background: color-mix(in srgb, var(--bg-surface) 88%, transparent);
}

.hero-term-bar .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-subtle);
  flex: none;
}

.hero-term-bar .dot:nth-child(1) {
  background: #ff5f57;
}
.hero-term-bar .dot:nth-child(2) {
  background: #febc2e;
}
.hero-term-bar .dot:nth-child(3) {
  background: #28c840;
}

.hero-term-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  flex: none;
}

.hero-term-step {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--accent-primary) 72%, var(--text-muted));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  max-width: 58%;
  text-align: right;
}

/* Autoplay progress under the title bar */
.hero-term-progress {
  height: 2px;
  background: color-mix(in srgb, var(--border-subtle) 80%, transparent);
  overflow: hidden;
}

.hero-term-progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(
    90deg,
    var(--accent-primary),
    color-mix(in srgb, var(--accent-secondary) 70%, var(--accent-primary))
  );
  transition: none;
  will-change: transform;
}

.hero-term-body {
  position: relative;
  margin: 0;
  min-height: 220px;
  padding: 12px 14px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text-secondary);
  text-align: left;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  /* Soft terminal fade when a frame is taller than the fixed window */
  mask-image: linear-gradient(#000 0%, #000 86%, transparent 100%);
  -webkit-mask-image: linear-gradient(#000 0%, #000 86%, transparent 100%);
  transition: opacity 0.16s ease, transform 0.18s var(--ease-out);
}

.hero-term-body.is-swap {
  opacity: 0;
  transform: translateY(8px);
}

/* Slide controls under the terminal */
.hero-deck-nav {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.hero-deck-btn {
  flex: none;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg-page) 70%, transparent);
  backdrop-filter: blur(8px);
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.hero-deck-btn:hover {
  color: var(--text-primary);
  background: var(--surface-interactive);
  border-color: color-mix(in srgb, var(--accent-primary) 35%, var(--border-subtle));
}

.hero-deck-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.hero-deck-steps {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 2px;
  scroll-snap-type: x proximity;
}

.hero-deck-steps::-webkit-scrollbar {
  display: none;
}

.hero-deck-step {
  flex: none;
  scroll-snap-align: center;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 1.9rem;
  padding: 0 0.55rem 0 0.35rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-page) 72%, transparent);
  backdrop-filter: blur(8px);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition:
    color 0.15s ease,
    background-color 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.hero-deck-step-n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-muted) 18%, transparent);
  color: var(--text-secondary);
  font-size: 0.58rem;
  font-weight: 600;
}

.hero-deck-step:hover {
  color: var(--text-primary);
  border-color: color-mix(in srgb, var(--accent-primary) 30%, var(--border-subtle));
}

.hero-deck-step.is-done {
  color: color-mix(in srgb, var(--accent-primary) 70%, var(--text-muted));
}

.hero-deck-step.is-done .hero-deck-step-n {
  background: color-mix(in srgb, var(--accent-primary) 22%, transparent);
  color: var(--accent-primary);
}

.hero-deck-step.is-active {
  color: var(--text-on-accent);
  background: color-mix(in srgb, var(--accent-primary) 92%, var(--bg-page));
  border-color: transparent;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-primary) 40%, transparent), 0 0 18px var(--logo-glow);
}

.hero-deck-step.is-active .hero-deck-step-n {
  background: color-mix(in srgb, var(--text-on-accent) 18%, transparent);
  color: var(--text-on-accent);
}

.hero-deck-step:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.hero-term-body .t-prompt {
  color: var(--accent-secondary);
}

.hero-term-body .t-cmd {
  color: var(--text-primary);
}

.hero-term-body .t-ok {
  color: var(--accent-primary);
}

.hero-term-body .t-info {
  color: var(--accent-secondary);
}

.hero-term-body .t-accent {
  color: var(--term-accent); /* ais magenta (SGR 95), theme-aware */
}

.hero-term-body .t-dim {
  color: var(--text-muted);
}

.hero-term-body .t-warn {
  color: var(--term-warn);
}

.hero-term-body .t-hint {
  color: color-mix(in srgb, var(--text-muted) 85%, transparent);
}

.hero-term-body .t-bar {
  color: var(--term-accent);
}

.hero-term-body .t-cursor {
  display: inline-block;
  width: 0.55ch;
  height: 1.05em;
  margin-left: 1px;
  vertical-align: -0.15em;
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--logo-glow);
  animation: caret-blink 1s steps(1) infinite;
}

@keyframes caret-blink {
  50% {
    opacity: 0;
  }
}

.hero-content {
  padding: 8px var(--space-6) 68px;
  flex-direction: column;
  align-items: center;
  /* Clear the deck nav — never pull the frog over the terminal */
  margin-top: 0;
  display: flex;
  position: relative;
}

.hero-trust {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem 0.35rem;
  max-width: 36rem;
}

.hero-trust li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  background: color-mix(in srgb, var(--bg-surface) 70%, transparent);
  padding: 0.35rem 0.65rem;
}

.hero-trust li::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 0.4rem;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--logo-glow);
  vertical-align: 0.1em;
}

/* The trap — enemy + mirror */

.trap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--border-subtle);
  background: var(--border-subtle);
}

.trap-card {
  background: var(--bg-page);
  padding: 28px 24px;
}

.trap-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-muted);
}

.trap-card-hot h3 {
  color: var(--accent-primary);
}

.trap-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 42ch;
}

.trap-card-hot {
  background: color-mix(in srgb, var(--surface-accent-soft) 65%, var(--bg-page));
}

.trap-card em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--accent-primary);
  font-weight: 400;
}

.trap-path {
  margin: 22px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.trap-arrow {
  color: var(--accent-primary);
  font-weight: 700;
}

.features-lede {
  margin: -4px 0 20px;
}

.pullquote-sub {
  margin: 14px auto 0;
  max-width: 46ch;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Close / why this exists */

.close {
  text-align: center;
}

.close-title {
  margin: 0 auto;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.close-copy {
  margin: 18px auto 0;
  max-width: 48ch;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.65;
}

.close-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-top: 28px;
}

.close-note {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.hero-mark {
  width: 72px;
  height: 72px;
  object-fit: contain;
  filter: drop-shadow(0 0 24px var(--logo-glow));
  margin-bottom: 10px;
  animation: logo-breathe 3.6s var(--ease-out) infinite;
}

@keyframes logo-breathe {
  0%,
  100% {
    filter: drop-shadow(0 0 18px var(--logo-glow));
    transform: translateY(0);
  }
  50% {
    filter: drop-shadow(0 0 34px var(--logo-glow));
    transform: translateY(-2px);
  }
}

/* Hero entrance (staggered) */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: rise-in 0.7s var(--ease-out) forwards;
  animation-delay: calc(var(--d, 0) * 90ms + 120ms);
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll reveals for rail sections */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.65s var(--ease-out),
    transform 0.65s var(--ease-out);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

[data-reveal].is-in .feature-card,
[data-reveal].is-in .scenario-card,
[data-reveal].is-in .cmd-card {
  animation: card-in 0.55s var(--ease-out) both;
  animation-delay: calc(var(--i, 0) * 55ms);
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary);
  font-size: 0.72rem;
  font-weight: 600;
  display: block;
}

.title {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 20px auto 22px;
  font-size: clamp(2.2rem, 5.2vw, 3.5rem);
  font-weight: 600;
  line-height: 1.08;
  max-width: 16ch;
}

.title em {
  font-family: var(--font-serif);
  letter-spacing: -0.015em;
  color: var(--accent-primary);
  font-style: italic;
  font-weight: 400;
}

.description {
  color: var(--text-secondary);
  max-width: 42rem;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.65;
  text-wrap: pretty;
}

.description strong {
  color: var(--text-primary);
  font-weight: 600;
}

.description code {
  color: var(--accent-secondary);
}

.hero-actions {
  justify-content: center;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: 36px;
  display: flex;
}

.hero-cta {
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-5);
  border: 1px solid var(--accent-primary);
  background: var(--accent-primary);
  color: var(--text-on-accent);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  display: inline-flex;
  border-radius: 0;
}

.hero-cta:hover {
  background: var(--accent-primary-hover);
  border-color: var(--accent-primary-hover);
}

html[data-theme="light"] .hero-cta:hover {
  background: var(--accent-primary-deep);
  border-color: var(--accent-primary-deep);
}

.hero-cta-ghost {
  background: var(--bg-page);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.hero-cta-ghost:hover {
  background: var(--bg-surface);
  border-color: color-mix(in srgb, var(--text-muted) 55%, transparent);
}

html[data-theme="light"] .hero-cta-ghost {
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}

html[data-theme="light"] .hero-cta-ghost:hover {
  background: var(--surface-card-strong);
  border-color: color-mix(in srgb, var(--text-muted) 40%, transparent);
}

/* Section chrome */

.section-header {
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: 20px;
  display: flex;
}

.section-title {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin: 0;
  font-size: 0.8rem;
  font-weight: 600;
}

.section-lede {
  color: var(--text-secondary);
  margin: -4px 0 20px;
  max-width: 52ch;
  font-size: 0.95rem;
}

/* Code block */

.code-block {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  position: relative;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

html[data-theme="light"] .code-block {
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}

.code-header {
  border-bottom: 1px solid var(--border-subtle);
  align-items: center;
  gap: 20px;
  min-height: 46px;
  padding: 0 20px;
  display: flex;
}

.code-label {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
}

.mode-switch {
  display: flex;
  align-items: stretch;
  gap: 14px;
  margin-left: auto;
  min-height: 46px;
}

.mode-btn {
  font-family: var(--font-mono);
  color: var(--text-muted);
  cursor: pointer;
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  padding: 0 2px;
  font-size: 0.72rem;
  transition: color 0.15s, border-color 0.15s;
}

.mode-btn:hover {
  color: var(--text-primary);
}

.mode-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.copy-btn {
  border: 1px solid var(--border-subtle);
  background: var(--bg-page);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  margin-left: 4px;
  transition: color 0.15s, border-color 0.15s;
}

.copy-btn:hover,
.copy-btn.copied {
  color: var(--text-primary);
  border-color: color-mix(in srgb, var(--text-muted) 55%, transparent);
}

.code-content {
  font-family: var(--font-mono);
  padding: 18px 20px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-primary);
  overflow-x: auto;
}

.code-line {
  white-space: pre;
}

.code-line .prompt {
  color: var(--accent-secondary);
  margin-right: 0.45rem;
}

.code-line .cmt {
  color: var(--code-comment);
}

.quickstart-note {
  margin: 14px 0 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 70ch;
}

/* Marquee — OpenClaw-style dual rows */

.marquee-section {
  overflow: hidden;
}

.marquee-track {
  flex-direction: column;
  gap: 0;
  margin-left: -48px;
  margin-right: -48px;
  display: flex;
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(90deg, #0000, #000 10% 90%, #0000);
}

.marquee-row {
  display: flex;
  width: max-content;
  gap: 0;
}

.marquee-row:hover,
.marquee-track:focus-within .marquee-row {
  animation-play-state: paused;
}

.row-left {
  animation: scroll-left 55s linear infinite;
}

.row-right {
  animation: scroll-right 70s linear infinite;
  border-top: 1px solid var(--border-subtle);
}

.marquee-group {
  display: flex;
  flex-shrink: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 180px;
  padding: 16px 18px;
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.chip:hover {
  background: var(--bg-surface);
  color: var(--accent-primary);
}

.chip i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--logo-glow);
  flex-shrink: 0;
  animation: chip-pulse 2.4s ease-in-out infinite;
}

.chip-alt i {
  background: var(--accent-secondary);
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent-secondary) 45%, transparent);
  animation-delay: 0.6s;
}

@keyframes chip-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.85;
  }
  50% {
    transform: scale(1.25);
    opacity: 1;
  }
}

@keyframes scroll-left {
  0% {
    transform: translate(0);
  }
  to {
    transform: translate(-50%);
  }
}

@keyframes scroll-right {
  0% {
    transform: translate(-50%);
  }
  to {
    transform: translate(0);
  }
}

/* Scroll-linked tools rail (OpenClaw integrations style) */

.tools-rail {
  background-color: var(--bg-page);
  background-image: radial-gradient(
    circle at center,
    color-mix(in srgb, var(--chart-line) 72%, transparent) 0.5px,
    transparent 1.2px
  );
  background-size: 10px 10px;
  border-top: 0;
  margin: 0 -48px;
  padding: 64px 48px 48px;
  position: relative;
  overflow: visible;
}

.tools-rail::before,
.tools-rail::after {
  content: "";
  z-index: 0;
  background: var(--border-subtle);
  pointer-events: none;
  width: 100vw;
  height: 1px;
  position: absolute;
  left: 50%;
  transform: translate(-50%);
}

.tools-rail::before {
  top: 0;
}

.tools-rail::after {
  bottom: 0;
}

.tools-rail-copy {
  z-index: 1;
  background: var(--bg-page);
  margin-bottom: 18px;
  position: relative;
  max-width: 36rem;
}

.tools-rail-lede {
  margin: 0;
}

.tools-railboard {
  z-index: 1;
  border: 1px solid var(--border-subtle);
  background: var(--bg-page);
  position: relative;
  overflow: hidden;
}

.tools-railboard::before,
.tools-railboard::after {
  content: "";
  z-index: 2;
  pointer-events: none;
  width: min(11%, 96px);
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--bg-page) 80%, transparent) 0%,
    color-mix(in srgb, var(--bg-page) 52%, transparent) 44%,
    transparent 100%
  );
}

.tools-railboard::after {
  inset: 0 0 0 auto;
  background: linear-gradient(
    270deg,
    color-mix(in srgb, var(--bg-page) 80%, transparent) 0%,
    color-mix(in srgb, var(--bg-page) 52%, transparent) 44%,
    transparent 100%
  );
}

.tools-track {
  will-change: transform;
  width: max-content;
  display: flex;
}

.tools-track + .tools-track {
  border-top: 1px solid var(--border-subtle);
}

.tool-card {
  --tool-card-rest: 168px;
  --tool-card-active: 184px;
  appearance: none;
  flex: 0 0 var(--tool-card-rest);
  width: var(--tool-card-rest);
  border: 0;
  border-right: 1px solid var(--border-subtle);
  min-height: 176px;
  font: inherit;
  color: var(--text-primary);
  text-align: center;
  cursor: pointer;
  background: transparent;
  outline: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 18px 16px 16px;
  transition: flex-basis 0.28s, width 0.28s, background 0.15s;
  display: flex;
  position: relative;
  overflow: hidden;
}

.tool-card::after {
  content: "";
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(
    0deg,
    color-mix(in srgb, var(--tool-color, var(--accent-primary)) 22%, transparent) 0%,
    color-mix(in srgb, var(--tool-color, var(--accent-primary)) 9%, transparent) 48%,
    transparent 100%
  );
  height: 64%;
  transition: opacity 0.32s;
  position: absolute;
  inset: auto 0 0;
}

.tool-card:hover {
  background: var(--bg-surface);
}

.tool-card:focus-visible {
  outline: 1px solid color-mix(in srgb, var(--tool-color, var(--accent-primary)) 68%, var(--text-primary));
  outline-offset: -3px;
}

.tool-card.is-active {
  flex-basis: var(--tool-card-active);
  width: var(--tool-card-active);
}

.tool-card.is-active::after {
  opacity: 1;
}

.tool-mono,
.tool-name,
.tool-meta {
  position: relative;
  z-index: 1;
}

.tool-mono {
  width: 44px;
  height: 44px;
  border: 1px solid color-mix(in srgb, var(--tool-color, var(--accent-primary)) 45%, var(--border-subtle));
  background: color-mix(in srgb, var(--tool-color, var(--accent-primary)) 12%, transparent);
  color: var(--tool-color, var(--accent-primary));
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  display: grid;
  place-items: center;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease;
}

.tool-card.is-active .tool-mono {
  transform: scale(1.06);
  box-shadow: 0 0 22px color-mix(in srgb, var(--tool-color, var(--accent-primary)) 35%, transparent);
}

.tool-name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tool-meta {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.35;
  max-width: 12ch;
}

.tools-scrubber {
  z-index: 1;
  position: relative;
  margin-top: 18px;
  height: 28px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-page);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  padding: 0 10px;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.tools-scrubber.is-dragging {
  cursor: grabbing;
  border-color: color-mix(in srgb, var(--accent-primary) 40%, var(--border-subtle));
}

.tools-scrubber span {
  width: 3px;
  height: 8px;
  background: color-mix(in srgb, var(--text-muted) 45%, transparent);
  transition: height 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.tools-scrubber span.near {
  height: 12px;
  background: color-mix(in srgb, var(--accent-secondary) 70%, var(--text-muted));
}

.tools-scrubber span.on {
  height: 16px;
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--logo-glow);
}

.tools-rail-hint {
  margin: 12px 0 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

/* Features grid — 1px seams */

.features-grid {
  border: 1px solid var(--border-subtle);
  background: var(--border-subtle);
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  display: grid;
}

.feature-card {
  padding: 28px var(--space-5);
  background: var(--bg-page);
  transition: background var(--duration-ui) ease, transform 0.2s var(--ease-out);
  color: inherit;
  display: block;
}

.feature-card:hover {
  background: var(--bg-surface);
}

.feature-card:hover .feature-icon {
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.feature-icon {
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 14px;
  display: flex;
  color: var(--text-muted);
  transition: color 0.2s ease, transform 0.2s var(--ease-out);
}

.feature-title {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 600;
}

.feature-desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
}

/* Scenarios */

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--border-subtle);
  background: var(--border-subtle);
}

.scenario-card {
  background: var(--bg-page);
  padding: 24px 20px;
  --i: 0;
}

.scenario-card:nth-child(1) { --i: 0; }
.scenario-card:nth-child(2) { --i: 1; }
.scenario-card:nth-child(3) { --i: 2; }

.cmd-card:nth-child(1) { --i: 0; }
.cmd-card:nth-child(2) { --i: 1; }
.cmd-card:nth-child(3) { --i: 2; }
.cmd-card:nth-child(4) { --i: 3; }

.scenario-card.scenario-accent {
  background: color-mix(in srgb, var(--surface-accent-soft) 70%, var(--bg-page));
}

.scenario-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  font-weight: 600;
  margin-bottom: 10px;
}

.scenario-accent .scenario-kicker {
  color: var(--accent-primary);
}

.scenario-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.scenario-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.scenario-meta {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.pullquote {
  margin: 36px 0 0;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.8vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--text-primary);
}

.pullquote em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent-primary);
}

.anatomy {
  margin-top: 36px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1px;
  border: 1px solid var(--border-subtle);
  background: var(--border-subtle);
}

.anatomy-copy,
.file-tree {
  background: var(--bg-page);
}

.anatomy-copy {
  padding: 24px 22px;
}

.inline-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.anatomy-copy ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.anatomy-copy li {
  position: relative;
  padding-left: 1rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.anatomy-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--accent-primary);
}

.file-tree-head {
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-secondary);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.file-tree ul {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0;
}

.file-tree li {
  display: grid;
  grid-template-columns: minmax(7.5rem, auto) 1fr;
  gap: 0.75rem;
  padding: 0.65rem 18px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.88rem;
}

.file-tree li:first-child {
  border-top: 0;
}

.file-tree code {
  color: var(--text-primary);
}

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

/* Tools */

.tools-table-wrap {
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.tools-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.tools-table th,
.tools-table td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
  font-size: 0.9rem;
}

.tools-table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  background: var(--bg-surface);
}

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

.tools-table td:first-child {
  font-weight: 600;
}

.tools-table code {
  color: var(--text-secondary);
  font-size: 0.84rem;
}

/* Security */

.security-panel {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 24px 22px;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

html[data-theme="light"] .security-panel {
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}

/* Light-mode surfaces — paper cards stay crisp */
html[data-theme="light"] .feature-card,
html[data-theme="light"] .scenario-card,
html[data-theme="light"] .cmd-card,
html[data-theme="light"] .trap-card,
html[data-theme="light"] .anatomy-copy,
html[data-theme="light"] .file-tree,
html[data-theme="light"] .chip {
  background: var(--bg-elevated);
}

html[data-theme="light"] .feature-card:hover,
html[data-theme="light"] .cmd-card:hover,
html[data-theme="light"] .chip:hover {
  background: var(--paper-200);
}

html[data-theme="light"] .trap-card-hot,
html[data-theme="light"] .scenario-card.scenario-accent {
  background: color-mix(in srgb, var(--surface-accent-soft) 80%, var(--bg-elevated));
}

html[data-theme="light"] .trap-path,
html[data-theme="light"] .file-tree-head,
html[data-theme="light"] .tools-table th,
html[data-theme="light"] .hero-trust li {
  background: color-mix(in srgb, var(--bg-surface) 70%, var(--bg-elevated));
}

html[data-theme="light"] .tools-railboard,
html[data-theme="light"] .tools-scrubber {
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}

html[data-theme="light"] .tool-card:hover {
  background: var(--paper-200);
}

html[data-theme="light"] .site-footer {
  background: color-mix(in srgb, var(--bg-page) 92%, var(--paper-200));
}

.security-lede {
  margin: 0 0 16px;
  color: var(--text-secondary);
  max-width: 70ch;
}

.security-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.security-panel li {
  position: relative;
  padding-left: 1rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.security-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent-secondary);
}

/* Commands */

.cmd-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid var(--border-subtle);
  background: var(--border-subtle);
}

.cmd-card {
  background: var(--bg-page);
  padding: 22px 20px;
  transition: background var(--duration-ui) ease;
}

.cmd-card:hover {
  background: var(--bg-surface);
}

.cmd-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
}

.cmd-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Footer — multi-column like OpenClaw */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: color-mix(in srgb, var(--bg-page) 88%, var(--ink-950));
  width: 100%;
  max-width: var(--rail-max);
  margin: 52px auto 0;
  color: var(--text-secondary);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.footer-top {
  border-bottom: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: minmax(0, 5fr) repeat(2, minmax(0, 2.5fr));
}

.footer-brand,
.footer-group {
  border-right: 1px solid var(--border-subtle);
  min-width: 0;
  padding: 40px 32px;
}

.footer-group:last-child {
  border-right: 0;
}

.footer-logo {
  width: fit-content;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-logo img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.footer-credit {
  max-width: 31rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 22px 0 0;
}

.footer-group h3 {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}

.footer-group a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  margin-bottom: 10px;
  transition: color 0.14s;
}

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

.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 18px 32px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Responsive */

@media (max-width: 900px) {
  .scenario-grid,
  .anatomy,
  .cmd-grid,
  .footer-top,
  .trap-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand,
  .footer-group {
    border-right: 0;
    border-bottom: 1px solid var(--border-subtle);
  }

  .title {
    max-width: 16ch;
  }
}

@media (max-width: 720px) {
  .site-nav-desktop {
    display: none;
  }

  .site-menu-btn {
    display: inline-flex;
  }

  .site-topbar {
    padding: 0 12px 0 16px;
    gap: 12px;
  }

  .site-topbar-actions {
    margin-left: auto;
    gap: 4px;
  }

  .site-brand span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: min(48vw, 11.5rem);
  }

  .rail {
    border-left: none;
    border-right: none;
    padding: 0 20px;
  }

  .rail > section {
    padding: var(--space-7) 0;
  }

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

  /* Stable hero terminal + slide rail under it */
  .hero-art {
    height: auto;
    min-height: 0;
    padding: 16px 10px 6px;
    mask-image: none;
    overflow: visible;
  }

  .hero-deck {
    width: min(560px, calc(100% - 1rem));
    gap: 8px;
  }

  .hero-term-bar {
    min-height: 34px;
    padding: 0 10px;
  }

  .hero-term-title {
    margin-left: 6px;
  }

  .hero-term-step {
    max-width: 55%;
    font-size: 0.58rem;
  }

  .hero-term-body {
    height: 236px;
    min-height: 236px;
    max-height: 236px;
    overflow: hidden;
    font-size: 0.66rem;
    line-height: 1.42;
    padding: 10px 12px 16px;
    mask-image: linear-gradient(#000 0%, #000 82%, transparent 100%);
    -webkit-mask-image: linear-gradient(#000 0%, #000 82%, transparent 100%);
  }

  .hero-deck-btn {
    width: 2.1rem;
    height: 2.1rem;
  }

  .hero-deck-step {
    min-height: 2rem;
    padding: 0 0.5rem 0 0.3rem;
    font-size: 0.6rem;
  }

  .hero-deck-step-label {
    max-width: 4.6rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Frog sits fully below terminal + step rail */
  .hero-content {
    margin-top: 4px;
    padding: 12px 1.25rem 40px;
  }

  .hero-mark {
    width: 64px;
    height: 64px;
    margin-bottom: 12px;
  }

  .hero-deck-nav {
    gap: 6px;
  }

  .hero-deck-steps {
    justify-content: flex-start;
  }

  .code-header {
    flex-wrap: wrap;
    min-height: unset;
    padding: 10px 14px;
    gap: 10px;
  }

  .mode-switch {
    margin-left: 0;
    width: 100%;
    min-height: unset;
    flex-wrap: wrap;
  }

  .file-tree li {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .footer-brand,
  .footer-group,
  .footer-legal {
    padding-inline: 20px;
  }

  .tools-rail {
    margin: 0 -20px;
    padding: 48px 20px 36px;
  }

  .tool-card {
    --tool-card-rest: 148px;
    --tool-card-active: 162px;
    min-height: 156px;
  }

  .marquee-track {
    margin-left: -20px;
    margin-right: -20px;
  }

  /* Tighter mobile menu panel under sticky topbar */
  .site-menu-panel a {
    min-height: 48px;
    padding: 0.85rem 1rem;
  }
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-mark {
    animation: none;
    transform: none;
  }

  .code-col-inner {
    animation: none !important;
    transform: none !important;
  }

  .hero-term-body .t-cursor {
    animation: none;
    opacity: 0.7;
  }

  .row-left,
  .row-right {
    animation: none !important;
  }

  .marquee-row {
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
  }

  .marquee-group[aria-hidden="true"] {
    display: none;
  }

  .tools-track {
    will-change: auto;
  }
}