:root {
  --bg: #0d0d1a;
  --bg-elevated: #13132a;
  --bg-card: #1a1a35;
  --fg: #f0ede8;
  --fg-muted: #a8a4a0;
  --accent: #f59e0b;
  --accent-dim: #b47808;
  --hot: #ef4444;
  --warm: #f59e0b;
  --new: #22c55e;
  --border: rgba(255,255,255,0.08);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
}
.nav-logo {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-weight: 300;
}

/* HERO */
.hero {
  padding: 5rem 2rem 4rem;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-headline {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}
.hero-right {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-left: 2rem;
  border-left: 1px solid var(--border);
}
.hero-stat {}
.hero-stat-number {
  display: block;
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.hero-stat-label {
  font-size: 0.82rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.2rem;
  display: block;
}

/* MOCKUP */
.mockup-section {
  padding: 2rem 2rem 5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.mockup-window {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.mockup-bar {
  background: var(--bg-card);
  padding: 0.75rem 1.25rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.mockup-body {
  display: grid;
  grid-template-columns: 160px 1fr 280px;
  min-height: 380px;
}
.mockup-sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 1.25rem 0;
}
.sidebar-item {
  padding: 0.65rem 1.25rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
  cursor: pointer;
}
.sidebar-item--active {
  color: var(--accent);
  border-left: 2px solid var(--accent);
  font-weight: 500;
}
.mockup-main {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-right: 1px solid var(--border);
}
.mockup-topbar {
  font-size: 0.78rem;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}
.mockup-badge {
  background: rgba(245,158,11,0.15);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 99px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.mockup-contact {
  display: grid;
  grid-template-columns: 36px 1fr 90px 72px;
  gap: 0.75rem;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.contact-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--bg);
  font-size: 0.72rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-name {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--fg);
}
.contact-company {
  font-size: 0.72rem;
  color: var(--fg-muted);
}
.score-label {
  font-size: 0.62rem;
  color: var(--fg-muted);
  margin-bottom: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.score-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.score-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
}
.contact-status {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}
.status--hot { background: rgba(239,68,68,0.15); color: var(--hot); }
.status--warm { background: rgba(245,158,11,0.15); color: var(--warm); }
.status--new { background: rgba(34,197,94,0.15); color: var(--new); }
.mockup-ai-panel {
  background: var(--bg-card);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.ai-panel-header {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ai-icon { font-size: 0.6rem; }
.ai-insight {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.ai-insight p {
  font-size: 0.75rem;
  color: var(--fg-muted);
  line-height: 1.5;
}
.ai-insight-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 0.35rem;
  flex-shrink: 0;
}
.ai-insight-dot--red { background: var(--hot); }
.ai-insight-dot--amber { background: var(--warm); }
.ai-insight-dot--green { background: var(--new); }
.mockup-caption {
  text-align: center;
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin-top: 1.25rem;
  font-style: italic;
}

/* FEATURES */
.features {
  padding: 5rem 2rem;
  background: var(--bg-elevated);
}
.features-header {
  max-width: 1200px;
  margin: 0 auto 3.5rem;
  text-align: center;
}
.features-title {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.features-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
}
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
}
.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
  line-height: 1;
}
.feature-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.75rem;
}
.feature-desc {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* HOW IT WORKS */
.how-it-works {
  padding: 5rem 2rem;
}
.how-header {
  max-width: 1200px;
  margin: 0 auto 3.5rem;
  text-align: center;
}
.how-title {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}
.how-sub {
  font-size: 1rem;
  color: var(--fg-muted);
}
.steps {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 2rem;
}
.step {
  flex: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
}
.step-number {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 1rem;
}
.step-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.75rem;
}
.step-desc {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.6;
}
.step-arrow {
  font-size: 1.5rem;
  color: var(--fg-muted);
  padding-top: 2rem;
  flex-shrink: 0;
}

/* INSIGHTS SECTION */
.insights-section {
  padding: 5rem 2rem;
  background: var(--bg-elevated);
}
.insights-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.insights-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}
.insights-title {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}
.insights-body {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.insights-metrics {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.metric {}
.metric-val {
  display: block;
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.15rem;
}
.metric-lbl {
  font-size: 0.78rem;
  color: var(--fg-muted);
}
.insights-right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.chart-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}
.chart-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}
.chart-bars {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.chart-bar-row {
  display: grid;
  grid-template-columns: 90px 1fr 60px;
  align-items: center;
  gap: 0.75rem;
}
.chart-label {
  font-size: 0.78rem;
  color: var(--fg-muted);
}
.chart-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.chart-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
}
.chart-val {
  font-size: 0.78rem;
  color: var(--fg);
  font-weight: 500;
  text-align: right;
}
.score-dist {
  display: flex;
  gap: 0.75rem;
}
.score-segment {
  flex: 1;
  padding: 0.75rem;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}
.score-segment span { font-size: 1rem; }
.score-segment--hot { background: rgba(239,68,68,0.1); color: var(--hot); }
.score-segment--warm { background: rgba(245,158,11,0.1); color: var(--warm); }
.score-segment--cool { background: rgba(100,116,139,0.15); color: #94a3b8; }

/* CLOSING */
.closing {
  padding: 6rem 2rem;
  text-align: center;
}
.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}
.closing-headline {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.closing-body {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* FOOTER */
.footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
}
.footer-copy {
  font-size: 0.78rem;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-right { border-left: none; padding-left: 0; border-top: 1px solid var(--border); padding-top: 2rem; flex-direction: row; flex-wrap: wrap; }
  .hero-stat { flex: 1 1 120px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .steps { flex-direction: column; }
  .step-arrow { display: none; }
  .insights-inner { grid-template-columns: 1fr; gap: 3rem; }
  .mockup-body { grid-template-columns: 1fr; }
  .mockup-sidebar { display: none; }
  .mockup-ai-panel { border-top: 1px solid var(--border); }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero-right { flex-direction: column; }
  .footer-inner { flex-direction: column; gap: 0.5rem; }
  .mockup-contact { grid-template-columns: 36px 1fr; }
  .contact-score, .contact-status { display: none; }
}