:root {
  --bg: #0B0D13;
  --surface: #13161E;
  --surface-2: #1A1E28;
  --border: #252A36;
  --fg: #F0F2F5;
  --fg-muted: #8A93A8;
  --accent: #C8FF57;
  --accent-dim: rgba(200, 255, 87, 0.12);
  --lime: #C8FF57;
  --green: #4ADE80;
  --red: #F87171;
  --yellow: #FACC15;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* NAV */
.nav {
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  border-left: 1px solid var(--border);
  padding-left: 16px;
}

/* HERO */
.hero {
  padding: 80px 48px 96px;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 440px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}
.stat-val {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.03em;
}
.stat-label {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  display: block;
  margin-top: 2px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* DASHBOARD MOCKUP */
.dashboard-mockup {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0,0,0,0.5);
}
.mockup-topbar {
  background: var(--surface-2);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-dot.red { background: #FF5F57; }
.mockup-dot.yellow { background: #FEBC2E; }
.mockup-dot.green { background: #28C840; }
.mockup-title {
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-left: 8px;
  font-family: var(--font-body);
}
.mockup-body {
  display: grid;
  grid-template-columns: 120px 1fr;
  min-height: 360px;
}
.mockup-sidebar {
  background: var(--surface-2);
  border-right: 1px solid var(--border);
  padding: 16px 0;
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.75rem;
  color: var(--fg-muted);
  cursor: default;
}
.sidebar-item.active {
  color: var(--fg);
  background: rgba(200,255,87,0.08);
  border-left: 2px solid var(--lime);
}
.sidebar-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.4;
}
.sidebar-item.active .sidebar-dot { opacity: 1; }
.mockup-main {
  padding: 20px;
  overflow: hidden;
}
.mockup-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.mockup-section-title {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.mockup-badge {
  font-size: 0.625rem;
  background: rgba(200,255,87,0.15);
  color: var(--lime);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.pipeline-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.pipeline-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
  width: 100px;
  flex-shrink: 0;
}
.pipeline-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.pipeline-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.6s ease;
}
.pipeline-fill.green { background: var(--green); }
.pipeline-fill.lime { background: var(--lime); }
.pipeline-num {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fg);
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}
.recent-section {
  margin-top: 20px;
}
.mockup-section-title {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.reply-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
}
.reply-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--border);
  color: var(--fg-muted);
  font-size: 0.625rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.reply-info {
  flex: 1;
  min-width: 0;
}
.reply-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg);
  display: block;
}
.reply-company {
  font-size: 0.6875rem;
  color: var(--fg-muted);
  display: block;
  margin-bottom: 2px;
}
.reply-excerpt {
  font-size: 0.6875rem;
  color: var(--fg-muted);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.reply-tag {
  font-size: 0.5625rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}
.reply-tag.hot {
  background: rgba(200,255,87,0.15);
  color: var(--lime);
}
.reply-tag.warm {
  background: rgba(74,222,128,0.12);
  color: var(--green);
}

/* HOW IT WORKS */
.how-it-works {
  background: var(--surface);
  padding: 96px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-eyebrow {
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fg);
  letter-spacing: -0.025em;
  margin-bottom: 64px;
}
.steps {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
}
.step {
  padding: 0 24px;
}
.step-number {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.step-content h3 {
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.step-content p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.65;
}
.step-connector {
  width: 40px;
  height: 1px;
  background: var(--border);
  margin-top: 28px;
  flex-shrink: 0;
}

/* FEATURES */
.features {
  padding: 96px 48px;
}
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  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: 40px 36px;
  transition: background 0.2s;
}
.feature-card:hover {
  background: var(--surface);
}
.feature-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* PIPELINE SECTION */
.pipeline-section {
  background: var(--surface);
  padding: 96px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pipeline-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.pipeline-body {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-top: 20px;
}
.pipeline-numbers {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 48px 0;
}
.pipeline-big {
  display: block;
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.04em;
}
.pipeline-big.lime { color: var(--lime); }
.pipeline-equals {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--fg-muted);
}
.comparison-row {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 8px;
}
.comparison-item span {
  display: block;
  font-size: 0.8125rem;
  color: var(--fg-muted);
  margin-bottom: 6px;
}
.comparison-bars {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.comp-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}
.comp-bar span {
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 0;
  width: 60px;
  flex-shrink: 0;
}
.comp-bar.human span { color: var(--fg-muted); }
.comp-bar.ai span { color: var(--lime); }
.comp-bar .bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  flex: 1;
  max-width: 200px;
}
.comp-bar.human .bar { background: var(--fg-muted); opacity: 0.3; }
.comp-bar.ai .bar { background: var(--lime); }

/* CLOSING */
.closing {
  padding: 128px 48px;
  text-align: center;
}
.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}
.closing-headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 32px;
}
.closing-tagline {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg);
}
.footer-copy {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { display: none; }
  .pipeline-content { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .step-connector { display: none; }
}
@media (max-width: 600px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 48px 24px 64px; }
  .how-it-works { padding: 64px 24px; }
  .features { padding: 64px 24px; }
  .features-grid { grid-template-columns: 1fr; border-radius: 12px; }
  .pipeline-section { padding: 64px 24px; }
  .closing { padding: 80px 24px; }
  .footer { padding: 24px; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 16px; }
  .stat-divider { display: none; }
}