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

:root {
  --ink: #0f1419;
  --ink-light: #1a2028;
  --ink-lighter: #242d38;
  --text-primary: #ffffff;
  --text-dim: rgba(255,255,255,0.25);
  --text-mid: rgba(255,255,255,0.5);
  --text-secondary: rgba(255,255,255,0.65);
  --accent: #10b981;
  --accent-glow: rgba(16,185,129,0.15);
  --accent-bright: #34d399;
  --red: #ef4444;
  --red-glow: rgba(239,68,68,0.15);
  --amber: #f59e0b;
  --border: rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ============================================================
   NAV — minimal, just logo + CTA
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 48px;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}
.nav.scrolled {
  background: rgba(15,20,25,0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
}
.nav-inner {
  max-width: 1400px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
}
.nav-logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 18px; color: var(--ink);
  font-weight: 700;
}
.nav-logo-text {
  font-family: var(--font-display); font-size: 22px;
  color: var(--text-primary); letter-spacing: -0.02em;
}
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; border-radius: 100px;
  border: 1px solid var(--accent);
  color: var(--accent); font-size: 14px; font-weight: 600;
  transition: all 0.25s var(--ease-out);
  letter-spacing: 0.01em;
}
.nav-cta:hover {
  background: var(--accent); color: var(--ink);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}

/* ============================================================
   HERO — massive type, cinematic
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 120px 48px 80px;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 30%, rgba(16,185,129,0.06), transparent),
    radial-gradient(ellipse 40% 30% at 20% 60%, rgba(16,185,129,0.03), transparent);
  pointer-events: none;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 24px;
  opacity: 0;
  animation: heroFadeIn 1s var(--ease-out) 0.1s forwards;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(44px, 6.5vw, 96px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  max-width: 1100px;
  opacity: 0;
  animation: heroFadeIn 1s var(--ease-out) 0.2s forwards;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 620px;
  margin-top: 32px;
  opacity: 0;
  animation: heroFadeIn 1s var(--ease-out) 0.5s forwards;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 48px;
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  font-size: 12px; font-family: var(--font-mono);
  color: var(--text-mid);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  animation: heroFadeIn 1s var(--ease-out) 1s forwards;
}
.hero-scroll-hint .scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--text-mid), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ============================================================
   NARRATIVE — scroll-driven text reveal
   ============================================================ */
.narrative {
  padding: 160px 48px;
  max-width: 900px;
  margin: 0 auto;
}
.narrative-block {
  margin-bottom: 140px;
}
.narrative-block:last-child {
  margin-bottom: 0;
}
.narrative-text {
  font-family: var(--font-body);
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.5;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.narrative-text .word {
  color: var(--text-dim);
  transition: color 0.4s ease;
  display: inline;
}
.narrative-text .word.lit {
  color: var(--text-primary);
}
.narrative-text .word.accent {
  transition: color 0.4s ease;
}
.narrative-text .word.accent.lit {
  color: var(--accent);
}
.narrative-text .word.pain {
  transition: color 0.4s ease;
}
.narrative-text .word.pain.lit {
  color: var(--red);
}

/* Big statement headlines — asymmetric */
.statement {
  padding: 80px 48px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  min-height: 200px;
}
.statement-strike {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 44px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  opacity: 0;
  transition: opacity 0.8s var(--ease-out);
}
.statement-strike.visible {
  opacity: 1;
}
.strike-through {
  position: relative;
  display: inline;
  white-space: nowrap;
}
.strike-through::after {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.6s var(--ease-out);
}
.strike-through.struck::after {
  width: 100%;
}
.strike-through.struck {
  opacity: 0.4;
  transition: opacity 0.4s 0.3s var(--ease-out);
}
.strike-reveal {
  margin-top: 0.4em;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.strike-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.statement-line {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 44px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.statement-line.visible {
  opacity: 1;
  transform: translateY(0);
}
.statement-line.right {
  text-align: right;
}
.statement-line.accent-text {
  color: var(--accent);
}

/* ============================================================
   PRODUCT EMBED — the "noon moment"
   ============================================================ */
.product-section {
  padding: 120px 48px 160px;
  position: relative;
}
.product-section::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(16,185,129,0.04), transparent);
  pointer-events: none;
}

.product-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 80px;
}
.product-intro-text {
  font-family: var(--font-body);
  font-size: clamp(18px, 2.2vw, 28px);
  line-height: 1.6;
  color: var(--text-secondary);
}
.product-intro-text strong {
  color: var(--text-primary);
  font-weight: 500;
}

.product-embed {
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  background: var(--ink-light);
  overflow: visible;
  position: relative;
  box-shadow:
    0 0 0 1px var(--border),
    0 24px 80px rgba(0,0,0,0.4),
    0 0 120px var(--accent-glow);
  opacity: 0;
  transform: translateY(60px) scale(0.96);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.product-embed.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* App chrome */
.app-chrome {
  display: flex;
  border-bottom: 1px solid var(--border);
}
.app-sidebar {
  width: 200px;
  border-right: 1px solid var(--border);
  padding: 20px 0;
  flex-shrink: 0;
}
.app-sidebar-logo {
  display: flex; align-items: center; gap: 8px;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.app-sidebar-logo svg {
  flex-shrink: 0;
  color: var(--text-primary);
}
.app-sidebar-logo-text {
  font-family: var(--font-display); font-size: 16px;
  color: var(--text-primary);
}
.app-sidebar-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 20px; font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.15s ease;
}
.app-sidebar-item.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}
.app-sidebar-item-icon {
  width: 20px; display: flex; align-items: center; justify-content: center;
}
.app-sidebar-item-icon svg {
  opacity: 0.7;
}
.app-sidebar-item.active .app-sidebar-item-icon svg {
  opacity: 1;
}
.app-sidebar-badge {
  margin-left: auto;
  background: var(--red);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 100px;
  min-width: 18px;
  text-align: center;
}

/* Sources panel */
.app-sources {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}
.app-sources-label {
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-mid); margin-bottom: 10px;
}
.app-source {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 0; font-size: 12px; color: var(--text-secondary);
}
.app-source-dot {
  width: 6px; height: 6px; border-radius: 50%;
}
.app-source-status {
  margin-left: auto; font-size: 10px; font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.05em;
}

/* Main content area */
.app-main {
  flex: 1;
  padding: 24px 32px;
  min-height: 420px;
  display: flex;
  flex-direction: column;
}
.app-topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.app-back {
  font-size: 13px; color: var(--text-mid);
}
.app-action-btn {
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  display: flex; align-items: center; gap: 6px;
}

/* Query bubble */
.app-query {
  background: var(--ink-lighter);
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  font-size: 15px;
  color: var(--text-primary);
  max-width: 480px;
  margin-left: auto;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.app-query.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Search steps */
.app-search-steps {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 20px;
}
.app-search-step {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--text-secondary);
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.app-search-step.animate-in {
  opacity: 1;
  transform: translateX(0);
}
.app-search-step-icon {
  color: var(--text-mid);
  font-size: 14px;
  animation: none;
}
.app-search-step.animate-in .app-search-step-icon {
  animation: spinOnce 0.6s ease;
}
@keyframes spinOnce {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Findings card */
.app-findings {
  background: var(--ink-lighter);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  flex: 1;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.app-findings.animate-in {
  opacity: 1;
  transform: translateY(0);
}
.app-findings-title {
  font-weight: 600; font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.app-findings-severity {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.app-findings-severity.critical {
  background: var(--red-glow);
  color: var(--red);
  border: 1px solid rgba(239,68,68,0.2);
}
.app-findings-body {
  font-size: 14px; line-height: 1.7;
  color: var(--text-secondary);
}
.app-findings-body strong {
  color: var(--text-primary);
  font-weight: 500;
}
.app-findings-list {
  list-style: none; padding: 0; margin: 12px 0 0;
}
.app-findings-list li {
  padding: 4px 0;
  font-size: 13px;
  color: var(--text-secondary);
  display: flex; gap: 8px;
}
.app-findings-list li::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 8px;
  flex-shrink: 0;
}

/* Suggested actions */
.app-suggestions {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.app-suggestion {
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--text-secondary);
  background: transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}
.app-suggestion:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Input bar */
.app-input-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--ink-light);
}
.app-input-placeholder {
  font-size: 14px; color: var(--text-mid);
  flex: 1;
}
.app-input-send {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink);
  font-size: 14px;
}

/* ============================================================
   CLAUDE CODE TERMINAL OVERLAY
   ============================================================ */
.claude-terminal {
  position: absolute;
  bottom: -60px;
  right: -30px;
  width: 440px;
  border-radius: 10px;
  background: #2d2d2d;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.08),
    0 24px 80px rgba(0,0,0,0.6),
    0 0 100px var(--accent-glow);
  opacity: 0;
  transform: translateY(20px) scale(0.97);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  z-index: 10;
  overflow: hidden;
}
.claude-terminal.animate-in {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* macOS title bar */
.claude-terminal-titlebar {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  background: #3c3c3c;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.claude-terminal-dots {
  display: flex;
  gap: 7px;
}
.claude-terminal-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.claude-terminal-dots .dot.red { background: #ff5f57; }
.claude-terminal-dots .dot.yellow { background: #febc2e; }
.claude-terminal-dots .dot.green { background: #28c840; }
.claude-terminal-titlebar-text {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #999;
  margin-right: 36px;
}

/* Claude Code banner */
.claude-banner {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px 12px;
}
.claude-avatar {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.claude-banner-text {
  font-family: var(--font-mono);
  line-height: 1.5;
}
.claude-banner-title {
  font-size: 13px;
  color: #e0e0e0;
}
.claude-banner-meta {
  font-size: 12px;
  color: #888;
}
.claude-banner-path {
  font-size: 12px;
  color: #888;
}

/* Dividers */
.claude-divider {
  height: 1px;
  background: repeating-linear-gradient(
    to right,
    #555 0px,
    #555 4px,
    transparent 4px,
    transparent 8px
  );
  margin: 0 18px;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.claude-divider.animate-in,
.claude-terminal.animate-in .claude-divider:first-of-type {
  opacity: 0.5;
}

/* Terminal body */
.claude-terminal-body {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
}

/* Lines */
.claude-line {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  margin-bottom: 2px;
  padding: 0 18px;
}
.claude-line.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.claude-line.prompt {
  color: #e0e0e0;
  padding-top: 10px;
  padding-bottom: 10px;
}
.claude-chevron {
  color: #888;
  margin-right: 6px;
  font-weight: 700;
}

.claude-line.mcp {
  color: #bbb;
  margin-top: 8px;
  margin-bottom: 6px;
}
.claude-mcp-label {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(0, 208, 132, 0.15);
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 4px;
}

.claude-line.context {
  color: #888;
  padding-left: 28px;
  font-size: 12px;
}

.claude-dim {
  color: #666;
}

.claude-line.output {
  color: #e0e0e0;
  margin-top: 12px;
  padding-top: 12px;
  padding-bottom: 4px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.claude-line.files {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: 4px;
  padding-bottom: 16px;
}
.claude-file {
  color: var(--accent);
  font-size: 12px;
}

/* ============================================================
   COMPOUND SECTION — the loop gets smarter
   ============================================================ */
.compound-section {
  padding: 160px 48px;
  text-align: center;
}
.compound-text {
  font-family: var(--font-body);
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 820px;
  margin: 0 auto;
}
.compound-text strong {
  color: var(--text-primary);
  font-weight: 500;
}
.compound-text em {
  font-style: italic;
  color: var(--accent);
}

/* ============================================================
   CTA — closing
   ============================================================ */
.cta-section {
  padding: 160px 48px;
  text-align: center;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 50% at 50% 80%, rgba(16,185,129,0.08), transparent);
  pointer-events: none;
}
.cta-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 80px);
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  max-width: 1000px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.cta-headline.visible {
  opacity: 1;
  transform: translateY(0);
}
.cta-headline em {
  font-style: italic;
  color: var(--accent);
}
.cta-sub {
  font-size: 18px; line-height: 1.6;
  color: var(--text-secondary);
  margin-top: 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out) 0.15s, transform 0.8s var(--ease-out) 0.15s;
}
.cta-sub.visible {
  opacity: 1;
  transform: translateY(0);
}
.cta-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 40px;
  border-radius: 100px;
  background: var(--accent);
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  margin-top: 48px;
  transition: all 0.25s var(--ease-out);
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeIn 0.8s var(--ease-out) 0.3s forwards;
  letter-spacing: 0.01em;
}
.cta-btn.visible {
  opacity: 1;
  transform: translateY(0);
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow), 0 0 60px var(--accent-glow);
}
.cta-note {
  font-size: 13px; color: var(--text-mid);
  margin-top: 16px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* Social links */
.cta-social {
  display: flex; align-items: center; justify-content: center;
  gap: 16px;
  margin-top: 32px;
}
.cta-social a {
  color: var(--text-mid);
  font-size: 13px;
  transition: color 0.2s;
}
.cta-social a:hover {
  color: var(--text-primary);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 48px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-left {
  font-size: 13px; color: var(--text-mid);
}
.footer-right {
  display: flex; gap: 24px;
}
.footer-right a {
  font-size: 13px; color: var(--text-mid);
  transition: color 0.2s;
}
.footer-right a:hover { color: var(--text-secondary); }

/* ============================================================
   SURVEY MODAL (preserved from original, adapted to dark)
   ============================================================ */
body.modal-open { overflow: hidden; }

.survey-modal-backdrop {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  opacity: 0; transition: opacity 0.25s ease;
  overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.survey-modal-backdrop.open { display: flex; align-items: center; justify-content: center; }
.survey-modal-backdrop.visible { opacity: 1; }

.survey-modal {
  position: relative; width: 100%; max-width: 520px;
  background: var(--ink-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
  padding: 48px 40px 40px; text-align: center;
  transform: translateY(16px); opacity: 0;
  transition: transform 0.35s var(--ease-out), opacity 0.35s var(--ease-out);
}
.survey-modal-backdrop.visible .survey-modal { transform: translateY(0); opacity: 1; }

.survey-modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--text-mid);
  transition: all 0.2s ease;
}
.survey-modal-close:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }

.survey-progress {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-bottom: 32px;
}
.survey-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--border-light); transition: all 0.3s var(--ease-out);
}
.survey-dot.active { background: var(--accent); transform: scale(1.3); }
.survey-dot.completed { background: var(--accent); opacity: 0.5; }

.survey-step { display: none; }
.survey-step.active { display: block; animation: surveyStepIn 0.35s var(--ease-out) forwards; }
@keyframes surveyStepIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.survey-question {
  font-family: var(--font-display); font-size: 24px;
  letter-spacing: -0.02em; color: var(--text-primary); margin-bottom: 8px;
}
.survey-subtitle {
  font-size: 14px; color: var(--text-secondary); margin-bottom: 24px;
}
.survey-email-form { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.email-input {
  padding: 14px 20px; border-radius: 100px;
  border: 1.5px solid var(--border-light);
  background: var(--ink);
  font-size: 15px; font-family: var(--font-body);
  color: var(--text-primary);
  width: 100%; max-width: 360px;
  outline: none; transition: all 0.2s ease;
}
.email-input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow); }
.email-input::placeholder { color: var(--text-mid); }

.submit-btn {
  padding: 14px 28px; border-radius: 100px;
  background: var(--accent); color: var(--ink);
  font-size: 15px; font-weight: 600;
  transition: all 0.2s var(--ease-out); white-space: nowrap;
}
.submit-btn:hover { background: var(--accent-bright); transform: translateY(-1px); box-shadow: 0 4px 16px var(--accent-glow); }

.survey-choices {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
  margin-top: 24px;
}
.survey-choice {
  padding: 12px 16px; border-radius: var(--radius-md);
  border: 1.5px solid var(--border-light);
  background: transparent;
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  cursor: pointer; transition: all 0.15s var(--ease-out);
  text-align: left;
}
.survey-choice:hover { border-color: var(--accent); color: var(--text-primary); background: var(--accent-glow); }
.survey-choice.selected {
  border-color: var(--accent); background: var(--accent-glow);
  color: var(--accent-bright);
}

.survey-next {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 24px; padding: 12px 32px; border-radius: 100px;
  background: var(--accent); color: var(--ink);
  font-size: 15px; font-weight: 600; transition: all 0.2s var(--ease-out);
}
.survey-next:hover:not(:disabled) { background: var(--accent-bright); transform: translateY(-1px); }
.survey-next:disabled { opacity: 0.35; cursor: not-allowed; }

.survey-back {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px; color: var(--text-mid); margin-bottom: 20px;
  transition: color 0.2s;
}
.survey-back:hover { color: var(--text-secondary); }

.survey-done { padding: 16px 0; }
.survey-done-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent-glow); border: 2px solid rgba(16,185,129,0.3);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px; color: var(--accent);
}
.survey-done-title {
  font-family: var(--font-display); font-size: 28px;
  letter-spacing: -0.02em; color: var(--text-primary); margin-bottom: 8px;
}
.survey-done-text {
  font-size: 15px; color: var(--text-secondary); line-height: 1.6;
  max-width: 360px; margin: 0 auto;
}

.form-note {
  font-size: 13px; color: var(--text-mid); margin-top: 14px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav { padding: 0 20px; }
  .hero { padding: 100px 20px 60px; }
  .narrative { padding: 80px 20px; }
  .narrative-block { margin-bottom: 80px; }
  .statement { padding: 40px 20px; }
  .product-section { padding: 80px 20px; }
  .compound-section { padding: 80px 20px; }
  .cta-section { padding: 100px 20px; }
  .footer { padding: 32px 20px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }

  /* Product embed mobile */
  .app-sidebar { display: none; }
  .app-chrome { flex-direction: column; }

  /* Claude terminal mobile */
  .claude-terminal {
    position: relative;
    bottom: auto; right: auto;
    width: 100%;
    margin-top: 16px;
    border-radius: var(--radius-md);
  }

  /* Modal */
  .survey-modal-backdrop.open { align-items: flex-start; }
  .survey-modal { margin: 16px auto; padding: 36px 24px 32px; max-width: none; border-radius: var(--radius-lg); }
  .survey-choices { grid-template-columns: 1fr; }
  .survey-question { font-size: 20px; }
  .survey-email-form .email-input { max-width: 100%; }
}