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

:root {
  --bg: #12122a;
  --bg-1: #161635;
  --bg-2: #1a1a3e;
  --indigo: #00E5FF;
  --indigo-dark: #00B8D4;
  --indigo-deeper: #0097A7;
  --copper: #9B8DC8;
  --copper-mid: #7B68AE;
  --copper-dark: #2D2255;
  --text: #E8E4D9;
  --text-muted: #a09a94;
  --text-dim: #7a7570;
  --border: #2a2a50;
  --border-subtle: #222248;
  --card-bg: var(--bg-2);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* --- NAV --- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 60px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s, backdrop-filter 0.3s;
}

nav.scrolled {
  background: rgba(18, 18, 42, 0.92);
  backdrop-filter: blur(16px);
  border-color: var(--border);
}

/* Nav icon animations */
@keyframes nav-icon-breathe {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50%       { transform: scale(1.07); filter: brightness(1.15); }
}

@keyframes nav-icon-wobble {
  0%   { transform: rotate(0deg) scale(1.12); }
  20%  { transform: rotate(-12deg) scale(1.12); }
  40%  { transform: rotate(10deg) scale(1.12); }
  60%  { transform: rotate(-6deg) scale(1.12); }
  80%  { transform: rotate(4deg) scale(1.12); }
  100% { transform: rotate(0deg) scale(1.12); }
}

@keyframes nav-icon-pop {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.35); filter: brightness(1.4) drop-shadow(0 0 6px var(--indigo)); }
  60%  { transform: scale(0.92); }
  100% { transform: scale(1); filter: brightness(1); }
}

.nav-icon {
  animation: nav-icon-breathe 3.6s ease-in-out infinite;
  transform-origin: center;
  cursor: pointer;
  transition: filter 0.2s;
}

.nav-icon:hover {
  animation: nav-icon-wobble 0.5s ease-in-out;
  filter: drop-shadow(0 0 5px var(--indigo));
}

.nav-icon.popped {
  animation: nav-icon-pop 0.45s ease-out forwards;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.nav-logo svg { display: block; }

.nav-wordmark {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.04); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(58, 123, 174, 0.12);
  border: 1px solid rgba(58, 123, 174, 0.25);
  color: var(--indigo);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 7px;
  transition: background 0.2s, border-color 0.2s;
  margin-left: 8px;
}

.nav-cta:hover {
  background: rgba(58, 123, 174, 0.2);
  border-color: rgba(58, 123, 174, 0.4);
}

.nav-cta:active {
  background: rgba(58, 123, 174, 0.25);
}

/* --- HERO BRAIN --- */
.hero-brain {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -48%);
  width: 680px;
  max-width: 100%;
  z-index: 0;
  pointer-events: none;
}
@media (max-width: 768px) { .hero-brain { display: none; } }

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 32px 60px;
  overflow: hidden;
}

#hero-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center, rgba(123,104,174,0.12) 0%, rgba(0,229,255,0.03) 40%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 720px;
}

.hero-icon-wrap {
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.1s;
}

/* --- Hero scene: phren + cabinet interaction --- */
.hero-scene {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
  position: relative;
  height: 160px;
}

/* Phren character — flipped to face right toward cabinet, 16s choreography */
.hero-phren-actor {
  position: relative;
  z-index: 2;
  transform: scaleX(-1);
  transform-origin: bottom center;
  animation: phren-choreography 16s ease-in-out infinite;
}

.hero-phren-actor img {
  filter: drop-shadow(0 0 32px rgba(123,104,174,0.35)) drop-shadow(0 0 10px rgba(0,229,255,0.12));
  animation: phren-glow 3s ease-in-out infinite;
}

/*
  16s choreography synced with SVG SMIL drawer/doc animations:
    0–8%    idle, gentle bounce
    8–14%   walk toward cabinet
    14–20%  cuddle up, lean into drawer opening
    20–30%  first doc: lean deeper, bob while reading
    30–38%  put doc back, lean out
    38–44%  lean back in for second doc
    44–56%  pull second doc, excited bob
    56–66%  step back with doc
    66–80%  walk away carrying doc
    80–100% walk back to start, loop
*/
@keyframes phren-choreography {
  0%, 6%    { transform: scaleX(-1) translateX(0) rotate(0deg) translateY(0); }
  8%        { transform: scaleX(-1) translateX(0) rotate(0deg) translateY(-2px); }
  10%       { transform: scaleX(-1) translateX(3px) rotate(0deg) translateY(0); }
  14%       { transform: scaleX(-1) translateX(6px) rotate(0deg) translateY(0); }
  18%       { transform: scaleX(-1) translateX(8px) rotate(-4deg) translateY(-1px); }
  22%       { transform: scaleX(-1) translateX(9px) rotate(-5deg) translateY(0); }
  25%       { transform: scaleX(-1) translateX(9px) rotate(-4deg) translateY(-2px); }
  28%       { transform: scaleX(-1) translateX(9px) rotate(-5deg) translateY(0); }
  32%       { transform: scaleX(-1) translateX(7px) rotate(-2deg) translateY(0); }
  36%       { transform: scaleX(-1) translateX(6px) rotate(0deg) translateY(0); }
  40%       { transform: scaleX(-1) translateX(8px) rotate(-4deg) translateY(-1px); }
  44%       { transform: scaleX(-1) translateX(9px) rotate(-5deg) translateY(0); }
  48%       { transform: scaleX(-1) translateX(9px) rotate(-4deg) translateY(-3px); }
  52%       { transform: scaleX(-1) translateX(9px) rotate(-5deg) translateY(0); }
  54%       { transform: scaleX(-1) translateX(9px) rotate(-3deg) translateY(-3px); }
  58%       { transform: scaleX(-1) translateX(5px) rotate(-1deg) translateY(0); }
  62%       { transform: scaleX(-1) translateX(0) rotate(0deg) translateY(0); }
  68%       { transform: scaleX(-1) translateX(-12px) rotate(0deg) translateY(-1px); }
  74%       { transform: scaleX(-1) translateX(-20px) rotate(0deg) translateY(0); }
  80%       { transform: scaleX(-1) translateX(-12px) rotate(0deg) translateY(-1px); }
  88%       { transform: scaleX(-1) translateX(-4px) rotate(0deg) translateY(0); }
  94%, 100% { transform: scaleX(-1) translateX(0) rotate(0deg) translateY(0); }
}

/* Lightbulb eureka (child of .hero-phren-actor, above head) */
.hero-bulb {
  position: absolute;
  left: 50%;
  top: -24px;
  transform: translateX(-50%);
  z-index: 4;
  opacity: 0;
  filter: drop-shadow(0 0 6px rgba(255,224,102,0.6));
}

/* Document phren carries (child of .hero-phren-actor, moves with him) */
.hero-doc {
  position: absolute;
  right: -6px;
  bottom: 52px;
  z-index: 3;
  opacity: 0;
}

/* Filing cabinet — inline next to phren */
.hero-cabinet-inline {
  position: relative;
  z-index: 1;
  width: 90px;
  height: 120px;
  align-self: flex-end;
  filter: drop-shadow(0 0 20px rgba(123,104,174,0.25));
  animation: cabinet-react 16s ease-in-out infinite;
}

/* Cabinet tilts when phren leans into it — synced to choreography */
@keyframes cabinet-react {
  0%, 16%   { transform: translateX(0) rotate(0deg); }
  18%, 20%  { transform: translateX(-1px) rotate(-0.5deg); }
  22%, 30%  { transform: translateX(-2px) rotate(-0.8deg); }
  34%, 38%  { transform: translateX(0) rotate(0deg); }
  40%, 42%  { transform: translateX(-1px) rotate(-0.5deg); }
  44%, 56%  { transform: translateX(-2px) rotate(-0.8deg); }
  60%, 100% { transform: translateX(0) rotate(0deg); }
}

@keyframes phren-glow {
  0%, 100% { filter: drop-shadow(0 0 32px rgba(123,104,174,0.35)) drop-shadow(0 0 10px rgba(0,229,255,0.12)); }
  50% { filter: drop-shadow(0 0 48px rgba(123,104,174,0.5)) drop-shadow(0 0 16px rgba(0,229,255,0.2)); }
}

/* Legacy: keep old hero-cabinet rule for backwards compat (element removed from HTML) */
.hero-cabinet {
  display: none;
}

@media (max-width: 768px) {
  .hero-cabinet { display: none; }
  .hero-cabinet-inline { width: 60px; height: 80px; }
  .hero-phren-actor img { width: 70px; height: 82px; }
  .hero-scene { height: 120px; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(123,104,174,0.1);
  border: 1px solid rgba(123,104,174,0.25);
  color: var(--copper);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero-badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--copper);
  animation: pulse 2s ease infinite;
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-wrap: balance;
  color: var(--text);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.3s;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--copper) 0%, var(--copper-mid) 60%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 560px;
  display: grid;
  gap: 4px;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero-sub-line {
  display: block;
}

.hero-note {
  margin: 0 0 20px;
  max-width: 560px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.35;
  animation: fadeUp 0.8s ease forwards 0.45s;
}

.btn-hero-text {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 12px 8px;
  transition: color 0.2s;
}

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


.hero-install-tabs {
  width: 100%;
  max-width: 660px;
  scroll-margin-top: 80px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.5s;
}

.hero-install-tabs .install-tabs-container {
  border-color: rgba(255,255,255,0.08);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.5s;
  flex-wrap: wrap;
  justify-content: center;
}

.dot-sep {
  margin: 0 0.44em;
  color: var(--text-muted);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--indigo-dark);
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: 9px;
  border: 1px solid rgba(58,123,174,0.4);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 2px 16px rgba(58,123,174,0.2);
}

.btn-primary:hover {
  background: var(--indigo);
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(58,123,174,0.35);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 8px rgba(58,123,174,0.2);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: 9px;
  border: 1px solid rgba(255,255,255,0.15);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.03);
}

.btn-ghost:active {
  transform: translateY(0);
  background: rgba(255,255,255,0.05);
}

/* Rotating install command */
.hero-terminal {
  width: 100%;
  max-width: 540px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.6s;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot-red { background: #FF5F57; }
.terminal-dot-yellow { background: #FFBD2E; }
.terminal-dot-green { background: #28C840; }

.terminal-title {
  font-size: 11px;
  color: var(--text-dim);
  margin-left: 4px;
  letter-spacing: 0.04em;
}

.terminal-body {
  padding: 20px 24px;
  min-height: 72px;
  display: flex;
  align-items: center;
}

.terminal-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 14px;
}

.terminal-prompt { color: var(--indigo); opacity: 0.7; }

.terminal-cmd-wrap {
  position: relative;
  overflow: hidden;
}

.terminal-cmd {
  color: var(--text);
  transition: opacity 0.3s, transform 0.3s;
}


.terminal-step-label {
  font-size: 11px;
  color: var(--text-dim);
  padding: 8px 24px 16px;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.terminal-step-label span {
  color: var(--copper);
  font-weight: 500;
}


/* --- SECTIONS --- */
section {
  padding: 100px 32px;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--indigo);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 32px;
}

.section-sub {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.65;
}

/* --- HOW IT WORKS --- */
.how-section {
  border-top: 1px solid var(--border);
}

.how-header {
  margin-bottom: 72px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.step {
  background: var(--bg);
  padding: 40px 36px;
  position: relative;
  transition: background 0.3s ease-out, box-shadow 0.3s ease-out;
}

.step:hover {
  background: var(--bg-1);
  box-shadow: inset 0 1px 0 rgba(123,104,174,0.15), inset 0 0 40px rgba(123,104,174,0.04);
}

.step-num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-num::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--text-muted);
  opacity: 0.7;
}

.step-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0,229,255,0.12);
  border: 1px solid rgba(58,123,174,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--indigo);
}

.step-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}


/* --- BENTO GRID --- */
.bento-section {
  border-top: 1px solid var(--border);
}

.bento-header {
  margin-bottom: 56px;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}

.bento-card {
  background: var(--bg-1);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 16px;
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease-out, transform 0.25s ease-out, box-shadow 0.3s ease-out;
}

.bento-card:hover {
  border-color: rgba(123,104,174,0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px rgba(123,104,174,0.1), inset 0 1px 0 rgba(255,255,255,0.03);
}

.bento-card-1 { grid-column: span 6; }
.bento-card-4 { grid-column: span 6; }
.bento-card-fun {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(200px, 0.95fr) minmax(300px, 1.05fr);
  align-items: center;
  gap: 28px;
  padding: 28px;
  background:
    radial-gradient(circle at top left, rgba(0,229,255,0.08), transparent 28%),
    radial-gradient(circle at bottom right, rgba(123,104,174,0.12), transparent 34%),
    linear-gradient(180deg, rgba(18,18,42,0.98), rgba(13,13,34,0.98));
}

.bento-card-fun::before {
  content: '';
  position: absolute;
  inset: 18px;
  border-radius: 14px;
  border: 1px solid rgba(0,229,255,0.15);
  pointer-events: none;
}

.bento-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background: rgba(123,104,174,0.1);
  border: 1px solid rgba(123,104,174,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--copper-mid);
}

.bento-card-4 .bento-card-icon {
  background: rgba(58,123,174,0.12);
  border-color: rgba(58,123,174,0.18);
  color: var(--indigo);
}

.bento-card-title {
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 10px;
}

.bento-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 340px;
}

.fun-card-copy {
  position: relative;
  z-index: 1;
  padding: 10px 6px 10px 8px;
}

.fun-card-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(123,104,174,0.45);
  background: rgba(123,104,174,0.12);
  color: var(--copper);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fun-card-title {
  margin: 16px 0 10px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text);
}

.fun-card-desc {
  max-width: 420px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

.fun-card-art {
  position: relative;
  z-index: 1;
  min-height: 320px;
}

.fun-card-art svg {
  display: block;
  width: 100%;
  height: auto;
}


.bento-tag-row {
  display: flex;
  gap: 6px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.bento-tag {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 9px;
  border-radius: 5px;
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.18);
  color: var(--indigo);
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.bento-file-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bento-file {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--text-muted);
}

.bento-file-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--indigo);
  opacity: 0.4;
  flex-shrink: 0;
}

/* --- INSTALL --- */
.install-section {
  border-top: 1px solid var(--border);
}

.install-header {
  margin-bottom: 56px;
}

.install-step-body {
  padding: 20px 24px;
}

.code-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 14px 18px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 13px;
  color: var(--text);
}

.code-block-install {
  flex-direction: column;
  gap: 16px;
  align-items: stretch;
  padding: 18px;
  background:
    radial-gradient(circle at top right, rgba(123,104,174,0.1), transparent 32%),
    radial-gradient(circle at left center, rgba(0,229,255,0.06), transparent 38%),
    var(--bg);
}

.install-command-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.install-command-note {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 14px;
  font-size: 13px;
  color: var(--text-muted);
}

.install-path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.install-path-card {
  min-height: 0;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.06);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}

.install-path-card-primary {
  border-color: rgba(58,123,174,0.28);
  background:
    linear-gradient(180deg, rgba(58,123,174,0.12), rgba(58,123,174,0.03)),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
}

.install-path-kicker {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 4px;
}

.install-path-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 8px;
}

.install-path-copy {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

.code-prompt { color: var(--indigo); opacity: 0.6; margin-right: 8px; }

.copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 10px;
  font-size: 11px;
  font-family: inherit;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  flex-shrink: 0;
}

.copy-btn:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
}

.copy-btn.copied { color: #5FD87C; border-color: rgba(95,216,124,0.3); }

/* --- INSTALL TABS --- */
.install-tabs-container {
  max-width: 660px;
  margin: 0 auto;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.install-tab-buttons {
  display: flex;
  gap: 0;
  padding: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.install-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  padding: 14px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
  letter-spacing: -0.01em;
}

.install-tab-btn:last-child { border-right: none; }

.install-tab-btn:hover {
  color: var(--text);
  background: rgba(58, 123, 174, 0.05);
}

.install-tab-btn.active {
  color: var(--text);
  background: rgba(58, 123, 174, 0.08);
  border-bottom: 2px solid var(--indigo);
  margin-bottom: -1px;
}

.install-tab-panel {
  display: none;
  animation: fadeIn 0.2s ease;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- SKILLS --- */
.skills-section {
  border-top: 1px solid var(--border);
}

.skills-header {
  margin-bottom: 56px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.skill-card {
  background: var(--bg);
  padding: 24px 28px;
  transition: background 0.2s ease-out, box-shadow 0.2s ease-out;
  cursor: default;
}

.skill-card:hover {
  background: var(--bg-1);
  box-shadow: inset 0 1px 0 rgba(123,104,174,0.1);
}

.skill-name {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--copper-mid);
  margin-bottom: 6px;
}

.skill-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* --- FEATURES GRID --- */
.features-section {
  border-top: 1px solid var(--border);
}

.features-header {
  margin-bottom: 56px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.feature-card {
  background: var(--bg);
  padding: 32px 28px;
  transition: background 0.3s ease-out;
}

.feature-card:hover {
  background: var(--bg-1);
}

.feature-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background: rgba(58,123,174,0.08);
  border: 1px solid rgba(58,123,174,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--indigo);
}

.feature-card-icon-copper {
  background: rgba(123,104,174,0.1);
  border-color: rgba(123,104,174,0.2);
  color: var(--copper-mid);
}

.feature-card-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
}

.feature-card-link {
  margin-top: 16px;
}

.feature-card-link a {
  font-size: 12px;
  font-weight: 500;
  color: var(--indigo);
  text-decoration: none;
  transition: color 0.2s;
}

.feature-card-link a:hover {
  color: var(--text);
}

/* --- DEMO TERMINAL --- */
.demo-section {
  border-top: 1px solid var(--border);
}

.demo-header {
  margin-bottom: 48px;
}

.demo-terminal {
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

.demo-terminal-body {
  padding: 24px 28px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 13px;
  line-height: 1.7;
  height: 380px;
  overflow: hidden;
}

.demo-shell-screen {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demo-shell-headerline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text);
}

.demo-shell-brand {
  color: var(--text);
  letter-spacing: -0.02em;
}

.demo-shell-sep {
  color: var(--text-dim);
}

.demo-shell-project {
  color: var(--indigo);
}

.demo-shell-panel {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  padding: 14px 16px;
  min-height: 148px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.demo-shell-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.demo-shell-row.visible {
  opacity: 1;
  transform: translateY(0);
}

.demo-shell-row.selected .demo-shell-name {
  color: var(--text);
}


.demo-shell-name,
.demo-shell-text,
.demo-shell-value {
  color: var(--text);
}

.demo-shell-meta {
  margin-left: auto;
  color: var(--text-dim);
  font-size: 11px;
}

.demo-shell-badge,
.demo-shell-tag {
  flex-shrink: 0;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 999px;
  padding: 2px 7px;
}

.demo-shell-badge {
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}

.demo-shell-tag {
  color: var(--copper-mid);
  border: 1px solid rgba(123,104,174,0.2);
  background: rgba(123,104,174,0.1);
}

.demo-shell-key {
  width: 76px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.demo-shell-status {
  font-size: 11px;
  color: var(--text-dim);
}

.demo-shell-input {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.demo-shell-prompt {
  color: var(--indigo);
  opacity: 0.8;
}

.demo-shell-input-text {
  color: var(--text);
}


.demo-dyn-cursor {
  color: var(--indigo);
  opacity: 1;
  animation: demoBlink 0.65s step-end infinite;
  margin-left: 1px;
}


@keyframes demoBlink {
  50% { opacity: 0; }
}

/* --- Demo shell v2: terminal-accurate layout --- */

.demo-shell-screen { gap: 5px; }

.demo-shell-sep-line {
  height: 1px;
  background: rgba(255,255,255,0.07);
  margin: 1px 0;
}

.demo-shell-panel { gap: 6px; }

/* Tab bar: pipe-separated */
.demo-shell-tabbar {
  display: flex;
  align-items: center;
  font-size: 11px;
  flex-wrap: nowrap;
  overflow: hidden;
  gap: 0;
}
.demo-shell-tabbar-pipe { color: rgba(255,255,255,0.12); }
.demo-shell-tabbar-tab  { color: var(--text-dim); padding: 0 1px; }
.demo-shell-tabbar-tab.active { color: #c084fc; font-weight: 600; }

/* Task section headers */
.demo-shell-sec-hdr {
  display: flex;
  align-items: center;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 0 1px;
}
.demo-shell-sec-bullet { font-size: 9px; }
.demo-shell-sec-label  { color: var(--text-dim); }
.demo-sec-active .demo-shell-sec-bullet { color: #7CE09B; }
.demo-sec-queue  .demo-shell-sec-bullet { color: #F7D77B; }
.demo-sec-done   .demo-shell-sec-bullet { color: var(--text-dim); }

/* Project rows: two-line format */
.demo-shell-row-proj {
  flex-direction: column;
  gap: 2px;
  align-items: flex-start;
}
.demo-proj-line1 { display: flex; align-items: center; }
.demo-proj-cursor { color: var(--indigo); width: 14px; flex-shrink: 0; }
.demo-proj-bullet { color: var(--text-muted); margin-right: 4px; }
.demo-shell-row-proj.selected .demo-proj-bullet { color: #7CE09B; }
.demo-shell-row-proj.selected .demo-shell-name  { font-weight: 600; }
.demo-shell-row-proj.global-entry .demo-shell-name { color: var(--text-muted); }
.demo-proj-line2 {
  padding-left: 22px;
  color: var(--text-dim);
  font-size: 11px;
}

/* Task items */
.demo-bl-id    { color: var(--text-dim); font-size: 11px; width: 22px; flex-shrink: 0; margin-right: 2px; }
.demo-bl-check { color: var(--text-dim); font-size: 11px; flex-shrink: 0; margin-right: 4px; }
.demo-bl-pri   { margin-left: auto; font-size: 10px; flex-shrink: 0; }
.demo-bl-pri-active { color: #F7D77B; }
.demo-bl-pri-queue  { color: var(--text-dim); }
.demo-bl-pri-done   { color: var(--text-dim); }

/* Health view */
.demo-health-ok {
  display: flex;
  align-items: center;
  color: #7CE09B;
  font-weight: 500;
}
.demo-health-check { color: #7CE09B; font-weight: 700; }
.demo-health-kv { display: flex; align-items: baseline; gap: 10px; }
.demo-health-rule {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: 4px 0;
  width: 100%;
}

/* Bottom key hints */
.demo-shell-btmbar {
  display: flex;
  align-items: center;
  font-size: 10px;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.demo-shell-btmbar-hint { color: var(--text-dim); }
.demo-shell-btmbar-dot  { color: rgba(255,255,255,0.18); }

/* --- WEB UI SECTION --- */
.web-ui-section { padding: 100px 0; border-top: 1px solid var(--border); }
.web-ui-header  { max-width: 680px; margin: 0 auto 48px; text-align: center; }

/* Browser mock */
.rui-mock          { border-radius: 14px; overflow: hidden; border: 1px solid var(--border); background: #0d0d22; }
.rui-mock-chrome   { display: flex; align-items: center; gap: 12px; padding: 10px 18px; background: rgba(255,255,255,0.025); border-bottom: 1px solid var(--border); }
.rui-mock-dots     { display: flex; gap: 6px; }
.rui-dot           { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.rui-dot-r         { background: #ff5f57; }
.rui-dot-y         { background: #ffbd2e; }
.rui-dot-g         { background: #28c941; }
.rui-mock-urlbar   { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07); border-radius: 6px; padding: 3px 12px; }

/* Body layout */
.rui-mock-body     { display: flex; height: 480px; }

/* Sidebar */
.rui-mock-sidebar  { width: 160px; flex-shrink: 0; border-right: 1px solid var(--border); padding: 14px 0; background: rgba(0,0,0,0.25); overflow: hidden; }
.rui-sb-hdr        { font-size: 10px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); padding: 0 14px 8px; }
.rui-sb-item       { display: flex; align-items: center; gap: 7px; padding: 5px 14px; font-size: 12px; color: var(--text-muted); }
.rui-sb-item--on   { background: rgba(255,255,255,0.05); color: var(--text-primary); }
.rui-sb-dot        { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.rui-sb-dot--1     { background: #4f6dde; }
.rui-sb-dot--2     { background: #9b59b6; }
.rui-sb-dot--3     { background: #26a69a; }
.rui-sb-dot--4     { background: #66bb6a; }
.rui-sb-dot--g     { background: var(--copper-mid); }
.rui-sb-name       { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.rui-sb-cnt        { font-size: 10px; color: var(--text-dim); background: rgba(255,255,255,0.06); border-radius: 10px; padding: 1px 5px; flex-shrink: 0; }
.rui-sb-divider    { height: 1px; background: var(--border); margin: 8px 0; }
.rui-sb-section    { font-size: 10px; color: var(--text-dim); padding: 4px 14px 5px; text-transform: uppercase; letter-spacing: 0.07em; }
.rui-sb-item--view { padding: 4px 14px; }
.rui-sb-item--view-on { color: var(--copper-mid); }

/* Graph area */
.rui-mock-graph    { flex: 1; overflow: hidden; display: flex; align-items: center; justify-content: center; }
#rui-graph-svg     { width: 100%; height: 100%; }

/* SVG styles */
.rg-edge           { fill: none; }
.rg-edge-p1        { stroke: rgba(79,109,222,0.55); stroke-width: 1.2; }
.rg-edge-p2        { stroke: rgba(155,89,182,0.55); stroke-width: 1.2; }
.rg-edge-p3        { stroke: rgba(38,166,154,0.55); stroke-width: 1.2; }
.rg-edge-ent       { stroke: rgba(155,141,200,0.35); stroke-width: 1; stroke-dasharray: 3,3; }
.rg-edge-cross     { stroke: rgba(155,141,200,0.15); stroke-width: 1; stroke-dasharray: 6,4; }
.rg-selected-ring  { fill: none; stroke: rgba(255,255,255,0.5); stroke-width: 1.5; }
.rg-ent-circle     { fill: rgba(123,104,174,0.12); stroke: rgba(155,141,200,0.5); stroke-width: 1.5; }
.rg-ent-label      { fill: var(--copper-mid); font-size: 9.5px; text-anchor: middle; font-family: monospace; }
.rg-finding-rect   { fill: rgba(255,255,255,0.08); stroke: rgba(255,255,255,0.22); stroke-width: 1; }
.rg-finding-rect-sel { fill: rgba(255,255,255,0.92); stroke: white; stroke-width: 1.5; }
.rg-proj-circle--1 { fill: rgba(79,109,222,0.1); stroke: rgba(79,109,222,0.5); stroke-width: 1.5; }
.rg-proj-circle--2 { fill: rgba(155,89,182,0.1); stroke: rgba(155,89,182,0.5); stroke-width: 1.5; }
.rg-proj-circle--3 { fill: rgba(38,166,154,0.1); stroke: rgba(38,166,154,0.5); stroke-width: 1.5; }
.rg-proj-circle--4 { fill: rgba(102,187,106,0.1); stroke: rgba(102,187,106,0.45); stroke-width: 1.5; }
.rg-proj-circle--g { fill: rgba(123,104,174,0.08); stroke: rgba(155,141,200,0.4); stroke-width: 1.5; stroke-dasharray: 4 3; }
.rg-proj-label     { fill: rgba(255,255,255,0.6); font-size: 9px; text-anchor: middle; font-family: monospace; }
.rg-edge-p4        { stroke: rgba(102,187,106,0.35); stroke-width: 1; fill: none; }
.rg-edge-pg        { stroke: rgba(155,141,200,0.3); stroke-width: 1; fill: none; stroke-dasharray: 4 3; }

/* Detail panel */
.rui-mock-detail   { width: 210px; flex-shrink: 0; border-left: 1px solid var(--border); padding: 16px 14px; background: rgba(0,0,0,0.25); overflow-y: auto; }
.rui-d-badge       { display: inline-block; font-size: 10px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--copper-mid); border: 1px solid rgba(123,104,174,0.4); border-radius: 4px; padding: 2px 7px; margin-bottom: 9px; }
.rui-d-text        { font-size: 12px; color: var(--text-primary); line-height: 1.5; margin-bottom: 11px; }
.rui-d-rule        { height: 1px; background: var(--border); margin: 9px 0; }
.rui-d-row         { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 5px; gap: 6px; }
.rui-d-key         { font-size: 10px; color: var(--text-dim); font-family: monospace; white-space: nowrap; }
.rui-d-val         { font-size: 10px; color: var(--text-muted); font-family: monospace; text-align: right; }
.rui-d-conf-label  { font-size: 10px; color: var(--text-dim); font-family: monospace; margin-bottom: 5px; }
.rui-d-conf-bar    { height: 3px; background: rgba(255,255,255,0.08); border-radius: 2px; margin-bottom: 3px; }
.rui-d-conf-fill   { height: 100%; background: var(--copper-mid); border-radius: 2px; }
.rui-d-conf-val    { font-size: 10px; color: var(--copper-mid); font-family: monospace; }
.rui-d-link-label  { font-size: 10px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-dim); margin-bottom: 5px; }
.rui-d-link-item   { display: flex; align-items: flex-start; gap: 5px; font-size: 11px; color: var(--text-muted); line-height: 1.4; }
.rui-d-link-icon   { color: var(--copper-mid); flex-shrink: 0; font-size: 11px; }
.rui-d-link-item--bl { font-family: monospace; font-size: 10px; }

@media (max-width: 900px) {
  .rui-mock-body    { height: auto; flex-direction: column; }
  .rui-mock-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); }
  .rui-mock-graph   { height: 280px; }
  .rui-mock-detail  { width: 100%; border-left: none; border-top: 1px solid var(--border); }
}

/* --- CTA FOOTER --- */
.cta-section {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 60px 32px 80px;
  background:
    radial-gradient(circle at 50% 0%, rgba(0,229,255,0.12), transparent 34%),
    radial-gradient(circle at 50% 100%, rgba(123,104,174,0.18), transparent 36%);
}

.cta-content {
  max-width: 980px;
  margin: 0 auto;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 36px;
  border: 1px solid rgba(123,104,174,0.15);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(22,22,53,0.96), rgba(18,18,42,0.94)),
    radial-gradient(circle at top right, rgba(0,229,255,0.08), transparent 28%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.04),
    0 30px 80px rgba(0,0,0,0.35);
}

.cta-panel::before {
  content: '';
  position: absolute;
  inset: auto -40px -120px auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 1px solid rgba(58,123,174,0.08);
  opacity: 0.9;
}

.cta-panel::after {
  content: '';
  position: absolute;
  top: -120px;
  left: -70px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(123,104,174,0.12);
}

.cta-brand {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  text-align: left;
  z-index: 1;
}

.cta-brand-copy .section-label {
  margin-bottom: 12px;
}

.cta-icon {
  flex-shrink: 0;
  transform: scaleX(-1);
  filter: drop-shadow(0 0 32px rgba(123,104,174,0.3)) drop-shadow(0 0 10px rgba(0,229,255,0.15));
}

.cta-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 0;
}

.cta-tagline {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 0;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.cta-actions .btn-primary,
.cta-actions .btn-ghost,
.cta-actions .npm-badge {
  min-height: 46px;
  padding: 0 18px;
  justify-content: center;
  box-sizing: border-box;
}

.npm-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(200,0,0,0.08);
  border: 1px solid rgba(200,0,0,0.15);
  color: #FF6B6B;
  font-size: 12px;
  font-weight: 600;
  font-family: 'SF Mono', 'Fira Code', monospace;
  padding: 0 18px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}

.npm-badge:hover {
  background: rgba(200,0,0,0.12);
  border-color: rgba(200,0,0,0.25);
}

.footer-bar {
  position: relative;
  border-top: 1px solid var(--border);
  padding: 40px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(58,123,174,0.15), transparent);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: -0.01em;
}

.footer-wordmark {
  color: var(--text);
  font-weight: 650;
  letter-spacing: -0.02em;
}

.footer-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--text-dim);
}

.footer-right a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease-out;
}

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

/* --- ANIMATIONS --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* --- REDUCED MOTION --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  #hero-canvas { display: none; }
  .hero-glow { display: none; }
  .hero-brain { display: none; }
  .hero-cabinet { display: none; }
  .hero-cabinet-inline { opacity: 0.6; }
  .hero-phren-actor { transform: scaleX(-1); animation: none; }
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  nav { padding: 0 20px; }

  section { padding: 72px 20px; }

  /* Stack hooks+config on mobile */
  .trace-layout {
    grid-template-columns: 1fr;
  }

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

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

  .bento-card-1,
  .bento-card-4,
  .bento-card-fun {
    grid-column: span 1;
  }

  .bento-card-fun {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 22px;
  }

  .fun-card-copy {
    padding: 6px 0 0;
  }

  .fun-card-art {
    min-height: 0;
  }

  .hero { padding: 100px 20px 60px; }

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

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

  .footer-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .install-command-row,
  .cta-brand {
    flex-direction: column;
    align-items: flex-start;
  }

  .install-path-grid {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    padding: 28px 20px;
  }

  .cta-icon {
    width: 78px;
    height: 78px;
  }

  .nav-links .nav-link { display: none; }
}

/* --- SMALL MOBILE (375px) --- */
@media (max-width: 480px) {
  .hero-title {
    font-size: 32px;
  }

  .hero-sub {
    font-size: 14px;
  }

  .hero-cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary, .btn-ghost {
    width: 100%;
    justify-content: center;
  }

  .install-path-grid {
    grid-template-columns: 1fr;
  }

  .bento-card {
    padding: 24px;
  }

  .section-title {
    font-size: 28px;
  }

  .trace-hook {
    padding: 16px;
  }

  .rui-mock-sidebar {
    display: none;
  }

  .hero-actions { flex-direction: column; width: 100%; }
  .copy-btn { width: 100%; }
  .install-command-row { align-items: stretch; }
}

/* --- TABLET (768-1024px) --- */
@media (min-width: 769px) and (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-card-fun {
    grid-column: span 12;
  }

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

/* Token bar visual */
.token-bars {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.token-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.token-bar-label {
  width: 60px;
  color: var(--text-dim);
  text-align: right;
  flex-shrink: 0;
}

.token-bar-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
}

.token-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(0.25,0.46,0.45,0.94) 0.3s;
}

.token-bar-fill-before { background: linear-gradient(90deg, #4A3580, var(--copper-mid)); width: 0; }
.token-bar-fill-after { background: linear-gradient(90deg, var(--indigo-deeper), var(--indigo)); width: 0; }

.token-bar-val {
  width: 48px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.bento-card.in-view .token-bar-fill-before { width: 100%; }
.bento-card.in-view .token-bar-fill-after { width: 10%; }

/* --- HOOK TRACE (looks like watching the system run) --- */
.trace-section {
  border-top: 1px solid var(--border);
}

.trace-header {
  margin-bottom: 56px;
}

.trace-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.trace {
  max-width: 720px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 13px;
  line-height: 1.8;
}

.trace-hook {
  margin-bottom: 40px;
  background: rgba(26,26,62,0.45);
  border-radius: 8px;
  padding: 20px 24px;
}

.trace-hook:last-child {
  margin-bottom: 0;
}

.trace-hook-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.trace-bullet {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.trace-bullet-start { background: var(--indigo); box-shadow: 0 0 8px rgba(58,123,174,0.5); }
.trace-bullet-prompt { background: var(--copper); box-shadow: 0 0 8px rgba(155,141,200,0.5); }
.trace-bullet-stop { background: #5FD87C; box-shadow: 0 0 8px rgba(95,216,124,0.4); }

.trace-hook-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.trace-hook-when {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
}

.trace-steps {
  padding-left: 20px;
  border-left: 1px solid rgba(0,229,255,0.18);
  margin-left: 3px;
}

.trace-step {
  padding: 2px 0;
  color: var(--text-muted);
}

.trace-fn {
  color: var(--indigo);
}

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

.trace-comment::before {
  content: '// ';
  opacity: 0.65;
}

.trace-out {
  padding: 6px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  font-style: normal;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

.trace-out-example {
  color: var(--copper-mid);
  font-style: normal;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 11px;
}

/* --- PHREN SPARKLE PULSE --- */
@keyframes cyan-sparkle {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.sparkle-cyan {
  animation: cyan-sparkle 2s ease-in-out infinite;
}

/* Purple glow on interactive elements */
.nav-link:hover,
.skill-card:hover .skill-name,
.bento-card:hover .bento-card-title {
  text-shadow: 0 0 20px rgba(123,104,174,0.3);
}

/* --- SELECTION --- */
::selection {
  background: rgba(58, 123, 174, 0.3);
  color: var(--text);
}

/* --- FOCUS VISIBLE --- */
:focus-visible {
  outline: 2px solid rgba(58, 123, 174, 0.5);
  outline-offset: 2px;
}

a:focus-visible, button:focus-visible {
  outline: 2px solid rgba(58, 123, 174, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

/* --- AGENT CAROUSEL --- */
.agent-carousel {
  display: flex;
  align-items: center;
  justify-content: center;
}
.agent-carousel-track {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
}
.agent-pill {
  position: absolute;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  padding: 10px 24px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background: var(--bg-1);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-280px);
  animation: agent-swoop 8.4s linear infinite;
}
.agent-pill:nth-child(1) { animation-delay: 0s; }
.agent-pill:nth-child(2) { animation-delay: 1.4s; }
.agent-pill:nth-child(3) { animation-delay: 2.8s; }
.agent-pill:nth-child(4) { animation-delay: 4.2s; }
.agent-pill:nth-child(5) { animation-delay: 5.6s; }
.agent-pill:nth-child(6) { animation-delay: 7.0s; }

@keyframes agent-swoop {
  0%       { opacity: 0; transform: translateX(-350px); }
  5%       { opacity: 1; transform: translateX(-120px); }
  12%      { opacity: 1; transform: translateX(0); text-shadow: 0 0 12px rgba(0,229,255,0.3); }
  19%      { opacity: 1; transform: translateX(120px); text-shadow: none; }
  24%      { opacity: 0; transform: translateX(350px); }
  25%, 100% { opacity: 0; transform: translateX(350px); }
}

@media (prefers-reduced-motion: reduce) {
  .agent-pill {
    animation: none;
    opacity: 1;
    transform: none;
    position: static;
    margin: 4px;
  }
  .agent-carousel-track {
    flex-wrap: wrap;
    gap: 8px;
    height: auto;
  }
}

/* --- KEYWORD GLOW --- */
/* Findings — electric blue (primary content) */
.kw-finding {
  color: #42A5F5;
  text-shadow: 0 0 8px rgba(66,165,245,0.35);
  font-weight: 500;
  animation: kw-shimmer-cyan 3s ease-in-out infinite;
}

/* Fragments — violet (connections) */
.kw-fragment {
  color: #CE93D8;
  text-shadow: 0 0 8px rgba(206,147,216,0.35);
  font-weight: 500;
}

/* Tasks — emerald (work items) */
.kw-task {
  color: #66BB6A;
  text-shadow: 0 0 6px rgba(102,187,106,0.3);
  font-weight: 500;
}

/* Truths / Memory — gold (permanent knowledge) */
.kw-memory {
  color: #FFD54F;
  text-shadow: 0 0 10px rgba(255,213,79,0.4);
  font-weight: 600;
  animation: kw-pulse-gold 4s ease-in-out infinite;
}

/* Skills — coral (reusable commands) */
.kw-skill {
  color: #FF7043;
  text-shadow: 0 0 8px rgba(255,112,67,0.3);
  font-weight: 500;
}

/* Sessions — warm pink (conversation boundaries) */
.kw-session {
  color: #F48FB1;
  text-shadow: 0 0 6px rgba(244,143,177,0.3);
  font-weight: 500;
}

/* Hooks — cyan (system integration) */
.kw-hook {
  color: #26C6DA;
  text-shadow: 0 0 10px rgba(38,198,218,0.4);
  font-weight: 500;
  animation: kw-flash-cyan 5s ease-in-out infinite;
}

/* Projects — teal (workspace scope) */
.kw-project {
  color: #4DB6AC;
  text-shadow: 0 0 6px rgba(77,182,172,0.3);
  font-weight: 500;
}

/* Machines — silver (hardware identity) */
.kw-machine {
  color: #B0BEC5;
  text-shadow: 0 0 6px rgba(176,190,197,0.3);
  font-weight: 500;
}

/* Generic / fallback */
.kw {
  color: var(--indigo);
  text-shadow: 0 0 8px rgba(0,229,255,0.3);
  font-weight: 500;
}

@keyframes kw-pulse-gold {
  0%, 100% { text-shadow: 0 0 10px rgba(255,213,79,0.4); }
  50% { text-shadow: 0 0 18px rgba(255,213,79,0.65), 0 0 4px rgba(255,213,79,0.2); }
}

@keyframes kw-shimmer-cyan {
  0%, 100% { text-shadow: 0 0 8px rgba(77,208,225,0.35); }
  50% { text-shadow: 0 0 14px rgba(77,208,225,0.55), 0 0 3px rgba(0,229,255,0.15); }
}

@keyframes kw-flash-cyan {
  0%, 85%, 100% { text-shadow: 0 0 10px rgba(0,229,255,0.4); }
  90% { text-shadow: 0 0 20px rgba(0,229,255,0.7), 0 0 6px rgba(0,229,255,0.3); }
}

@media (prefers-reduced-motion: reduce) {
  .kw-memory, .kw-finding, .kw-hook { animation: none; }
}

/* --- DOCS SIDEBAR LAYOUT --- */
.docs-layout {
  display: flex;
  margin-top: 60px; /* below nav */
  min-height: calc(100vh - 60px);
}

.docs-sidebar {
  position: sticky;
  top: 60px;
  width: 240px;
  height: calc(100vh - 60px);
  overflow-y: auto;
  padding: 24px 16px;
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}

.docs-sidebar a {
  display: block;
  padding: 6px 12px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.docs-sidebar a:hover {
  color: var(--text);
  background: var(--bg-1);
}

.docs-sidebar a.active {
  color: var(--indigo);
  background: rgba(0, 229, 255, 0.08);
}

.docs-content {
  flex: 1;
  max-width: 860px;
  padding: 40px 48px;
}

.docs-content section {
  margin-bottom: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--border-subtle);
}

.docs-content section:last-child {
  border-bottom: none;
}

.docs-content h2 {
  font-size: 1.75rem;
  margin-bottom: 24px;
  color: var(--indigo);
}

.docs-content h3 {
  font-size: 1.25rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

/* nav active state for docs/community pages */
.nav-link.active {
  color: var(--indigo) !important;
}

@media (max-width: 900px) {
  .docs-layout { flex-direction: column; }
  .docs-sidebar {
    position: static;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 12px 16px;
  }
  .docs-content { padding: 24px 16px; }
}