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

:root {
  --bg: #0a0a0b;
  --bg2: #111113;
  --surface: #18181b;
  --border: #27272a;
  --text: #fafafa;
  --text2: #a1a1aa;
  --accent: #6366f1;
  --accent2: #8b5cf6;
  --green: #22c55e;
  --amber: #f59e0b;
  --radius: 12px;
}

html { scroll-behavior: smooth; }

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,11,.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: 8px; font-weight: 600; font-size: .9rem;
  text-decoration: none; border: none; cursor: pointer;
  background: var(--accent); color: #fff;
  transition: all .2s;
}
.btn:hover { background: var(--accent2); transform: translateY(-1px); }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-full { width: 100%; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text2); }
.btn-ghost:hover { background: var(--surface); color: var(--text); }

/* Hero */
.hero {
  position: relative; padding: 160px 0 100px; text-align: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(99,102,241,.15) 0%, transparent 70%);
  pointer-events: none;
}
.badge {
  display: inline-block; padding: 6px 16px; border-radius: 20px;
  background: rgba(99,102,241,.1); border: 1px solid rgba(99,102,241,.3);
  color: var(--accent); font-size: .85rem; font-weight: 500; margin-bottom: 24px;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; letter-spacing: -.03em; margin-bottom: 20px; }
.hero-sub { font-size: 1.15rem; color: var(--text2); max-width: 600px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.hero-note { font-size: .85rem; color: var(--text2); }

/* Sections */
.section { padding: 100px 0; }
.section-dark { background: var(--bg2); }
.section-label {
  font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent); margin-bottom: 12px;
}
.section h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800; letter-spacing: -.02em; margin-bottom: 16px; }
.section-sub { font-size: 1.05rem; color: var(--text2); max-width: 600px; margin-bottom: 48px; }

/* Pain Grid */
.pain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.pain-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px;
}
.pain-icon { font-size: 1.5rem; margin-bottom: 12px; }
.pain-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.pain-card p { font-size: .9rem; color: var(--text2); }

/* Solution Grid */
.solution-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.solution-card {
  background: rgba(99,102,241,.05); border: 1px solid rgba(99,102,241,.15); border-radius: var(--radius);
  padding: 32px;
}
.solution-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.solution-card p { font-size: .9rem; color: var(--text2); }

/* Interactive Demo */
.demo-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
  margin-bottom: 24px;
}

/* Demo Tabs */
.demo-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.demo-tab {
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text2);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
}
.demo-tab:hover {
  background: var(--bg2);
  border-color: var(--border-glow);
}
.demo-tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border-color: transparent;
}
.demo-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.demo-panel-header {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border);
}
.demo-dot { width: 10px; height: 10px; border-radius: 50%; }
.demo-dot.red { background: #ef4444; }
.demo-dot.yellow { background: #f59e0b; }
.demo-dot.green { background: #22c55e; }
.demo-panel-title { margin-left: 8px; font-size: .75rem; color: var(--text2); font-weight: 500; text-transform: uppercase; letter-spacing: .05em; }
.demo-badge { display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: 4px; background: rgba(245, 158, 11, 0.15); color: var(--amber); font-size: .65rem; font-weight: 600; text-transform: none; letter-spacing: 0; border: 1px solid rgba(245, 158, 11, 0.3); }
.demo-panel-body { padding: 20px; min-height: 220px; font-family: 'JetBrains Mono', monospace; font-size: .85rem; line-height: 1.7; color: var(--text2); }
.demo-sow { display: inline; }
.demo-cursor { display: inline; color: var(--accent); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.demo-arrow {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 0 20px; gap: 8px;
}
.demo-arrow-line { width: 2px; height: 40px; background: var(--border); }
.demo-arrow-label { font-size: .7rem; color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; writing-mode: vertical-rl; text-orientation: mixed; }

.demo-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; height: 100%; min-height: 180px; color: var(--text2); font-family: 'Inter', sans-serif; font-size: .85rem; }
.demo-spinner { width: 24px; height: 24px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.demo-line-item {
  opacity: 0; transform: translateX(-12px);
  transition: opacity .4s ease, transform .4s ease;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-family: 'Inter', sans-serif;
}
.demo-line-item.visible { opacity: 1; transform: translateX(0); }
.demo-line-item:last-child { border-bottom: none; }
.demo-line-code { font-family: 'JetBrains Mono', monospace; font-size: .8rem; color: var(--accent); font-weight: 500; }
.demo-line-desc { font-size: .85rem; color: var(--text); margin: 2px 0; }
.demo-line-meta { display: flex; gap: 16px; font-size: .75rem; color: var(--text2); }
.demo-line-confidence { color: var(--green); font-weight: 600; }
.demo-line-source { color: var(--amber); }
.demo-line-multiplier { display: flex; align-items: center; gap: 8px; margin: 6px 0; }
.multiplier-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; background: rgba(245, 158, 11, 0.15); color: var(--amber); font-family: 'JetBrains Mono', monospace; font-size: .75rem; font-weight: 600; border: 1px solid rgba(245, 158, 11, 0.3); }
.multiplier-note { font-size: .75rem; color: var(--text2); font-style: italic; }

.demo-controls { display: flex; gap: 8px; justify-content: center; }

/* Pipeline / Team of Rivals */
.pipeline {
  display: flex; align-items: flex-start; justify-content: center;
  gap: 0; margin-bottom: 48px;
}
.pipeline-stage {
  flex: 1; max-width: 280px; text-align: center; padding: 0 16px;
}
.pipeline-icon {
  width: 64px; height: 64px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  position: relative;
}
.pipeline-icon.planner { background: rgba(99,102,241,.15); color: var(--accent); }
.pipeline-icon.executor { background: rgba(139,92,246,.15); color: var(--accent2); }
.pipeline-icon.critic { background: rgba(245,158,11,.15); color: var(--amber); }

.pipeline-icon::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 18px;
  border: 2px solid transparent;
  animation: pulse-border 2s ease-in-out infinite;
}
.pipeline-icon.planner::after { border-color: rgba(99,102,241,.3); animation-delay: 0s; }
.pipeline-icon.executor::after { border-color: rgba(139,92,246,.3); animation-delay: .6s; }
.pipeline-icon.critic::after { border-color: rgba(245,158,11,.3); animation-delay: 1.2s; }

@keyframes pulse-border {
  0%, 100% { opacity: .3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.pipeline-stage h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.pipeline-stage p { font-size: .88rem; color: var(--text2); }

.pipeline-connector {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding-top: 28px; width: 48px; flex-shrink: 0;
}
.pipeline-connector-line { width: 100%; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2)); position: relative; }
.pipeline-connector-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  margin-top: -5px;
  animation: flow-dot 2s ease-in-out infinite;
}
@keyframes flow-dot {
  0% { transform: translateX(-20px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateX(20px); opacity: 0; }
}

.pipeline-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 32px;
  text-align: center;
}
.stat-value { font-size: 2rem; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: .85rem; color: var(--text2); margin-top: 4px; }

.pipeline-note {
  text-align: center; font-size: .85rem; color: var(--text2); max-width: 600px; margin: 0 auto;
  font-style: italic;
}

/* Steps */
.steps { display: flex; align-items: flex-start; gap: 0; flex-wrap: wrap; justify-content: center; }
.step { flex: 1; min-width: 220px; max-width: 300px; text-align: center; padding: 0 20px; }
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.2rem; margin: 0 auto 16px;
}
.step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: .9rem; color: var(--text2); }
.step-line {
  width: 60px; height: 2px; background: var(--border); margin-top: 24px; flex-shrink: 0;
}

/* Benefits */
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.benefit { display: flex; gap: 16px; }
.benefit-icon {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 10px;
  background: rgba(99,102,241,.1); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.benefit h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.benefit p { font-size: .9rem; color: var(--text2); }

/* Pilot Program */
.pilot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 32px; }
.pilot-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px;
}
.pilot-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; }
.pilot-card ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.pilot-card li { font-size: .9rem; color: var(--text2); display: flex; gap: 10px; align-items: flex-start; }
.pilot-card .check { color: var(--green); font-weight: 700; flex-shrink: 0; }
.pilot-you-get { border-color: rgba(99,102,241,.3); }
.pilot-we-get { border-color: rgba(139,92,246,.3); }

.pilot-slots { text-align: center; }
.slots-bar { width: 100%; max-width: 400px; height: 8px; background: var(--surface); border-radius: 4px; margin: 0 auto 12px; overflow: hidden; border: 1px solid var(--border); }
.slots-filled { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 4px; transition: width 1s ease; }
.pilot-slots p { font-size: .9rem; color: var(--text2); }

/* Signup */
.signup-container { max-width: 520px; text-align: center; }
.signup-form { margin-top: 32px; }
.form-row { display: flex; gap: 12px; margin-bottom: 12px; }
.form-row input { flex: 1; }
.signup-form input {
  width: 100%; padding: 14px 16px; border-radius: 8px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-size: .95rem; font-family: inherit;
  margin-bottom: 12px;
}
.signup-form input:focus { outline: none; border-color: var(--accent); }
.signup-form input::placeholder { color: var(--text2); }
.form-note { font-size: .8rem; color: var(--text2); margin-top: 12px; }
.form-success { margin-top: 32px; }
.success-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 700; margin: 0 auto 16px;
}
.form-success h3 { margin-bottom: 8px; }
.form-success p { color: var(--text2); }

/* Footer */
.footer { padding: 48px 0; border-top: 1px solid var(--border); }
.footer-inner { text-align: center; }
.footer .logo { justify-content: center; margin-bottom: 12px; }
.footer-note { font-size: .9rem; color: var(--text2); margin-bottom: 4px; font-style: italic; }
.footer-sub { font-size: .85rem; color: var(--text2); margin-bottom: 4px; }
.footer-copy { font-size: .8rem; color: var(--text2); }

/* Mobile */
@media (max-width: 768px) {
  .demo-container { grid-template-columns: 1fr; gap: 0; }
  .demo-arrow { flex-direction: row; padding: 12px 0; writing-mode: horizontal-tb; }
  .demo-arrow-line { width: 40px; height: 2px; }
  .demo-arrow-label { writing-mode: horizontal-tb; }
  .pipeline { flex-direction: column; align-items: center; gap: 24px; }
  .pipeline-connector { flex-direction: row; width: auto; padding: 0; height: 40px; }
  .pipeline-connector-line { width: 2px; height: 100%; }
  .pipeline-connector-dot { margin-top: 0; margin-left: -5px; }
  .pipeline-stats { grid-template-columns: 1fr; gap: 16px; }
  .pilot-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero { padding: 120px 0 60px; }
  .section { padding: 64px 0; }
  .form-row { flex-direction: column; }
  .step-line { display: none; }
  .steps { flex-direction: column; align-items: center; gap: 32px; }
}