:root {
  --bg: #f8f7f4;
  --bg-card: #ffffff;
  --bg-card-hover: #f2f1ed;
  --fg: #1a1a22;
  --fg-muted: #6b7280;
  --accent: #059669;
  --accent-teal: #10b981;
  --warning: #dc2626;
  --border: rgba(0,0,0,0.08);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

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

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(248,247,244,0.92);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* SECTION UTILS */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 40px;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--fg);
  letter-spacing: -0.02em;
  max-width: 640px;
}

/* HERO */
.hero {
  padding: 80px 0 0;
  overflow: hidden;
}
.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-lede {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* MONITOR CARD */
.monitor-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.08), 0 0 0 1px rgba(5,150,105,0.08);
}
.monitor-header {
  background: #f2f1ed;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.monitor-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.monitor-dot.amber { background: var(--accent); }
.monitor-dot.teal { background: var(--accent-teal); }
.monitor-dot.grey { background: #d1d5db; }
.monitor-label {
  font-size: 0.7rem;
  color: var(--fg-muted);
  margin-left: 6px;
  font-weight: 500;
}
.monitor-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.metric-name {
  font-size: 0.85rem;
  color: var(--fg-muted);
}
.metric-val {
  font-size: 0.9rem;
  font-weight: 600;
}
.metric-val.positive { color: var(--accent-teal); }
.metric-val.warning { color: var(--warning); }
.metric-val.neutral { color: #6b7280; }
.metric-bar {
  height: 6px;
  background: rgba(0,0,0,0.06);
  border-radius: 3px;
  position: relative;
  margin-top: 6px;
}
.metric-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 1s ease;
}
.metric-fill.positive { background: var(--accent-teal); }
.metric-fill.warning { background: var(--warning); }
.metric-fill.neutral { background: #d1d5db; }
.metric-target {
  position: absolute;
  top: -4px;
  width: 2px;
  height: 14px;
  background: var(--accent);
  border-radius: 1px;
}
.alert-card {
  background: rgba(5,150,105,0.06);
  border: 1px solid rgba(5,150,105,0.2);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 8px;
}
.alert-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 5px;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.alert-text {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.5;
}
.alert-text strong { color: var(--fg); }
.alert-text em { color: var(--accent); font-style: normal; }

/* HOW IT WORKS */
.howitworks {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  margin-top: 56px;
}
.process-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(5,150,105,0.15);
  line-height: 1;
}
.step-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}
.step-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}
.process-arrow {
  padding-top: 48px;
  flex-shrink: 0;
  color: var(--accent);
}

/* FEATURES */
.features {
  background: var(--bg);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 56px;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-card);
  padding: 40px 36px;
  transition: background 0.2s;
}
.feature-card:hover {
  background: var(--bg-card-hover);
}
.feature-icon {
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* INTELLIGENCE */
.intelligence {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.intelligence-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.intelligence-body {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-top: 20px;
}
.intelligence-quote {
  margin-top: 36px;
  padding: 28px 32px;
  border-left: 2px solid var(--accent);
  background: rgba(5,150,105,0.04);
  border-radius: 0 12px 12px 0;
}
.intelligence-quote blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--fg);
  line-height: 1.5;
}
.intelligence-quote cite {
  display: block;
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-style: normal;
}

/* SIGNAL DIAGRAM */
.signal-diagram {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.signal-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
.signal-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
  width: 72px;
  text-align: right;
  flex-shrink: 0;
  font-weight: 500;
}
.signal-timeline {
  flex: 1;
  display: flex;
  align-items: center;
  height: 32px;
  position: relative;
}
.signal-event {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d1d5db;
  flex-shrink: 0;
}
.signal-gap {
  flex: 1;
  height: 1px;
  background: var(--border);
}
.signal-gap.narrow { flex: 0.5; }
.marker-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.marker-dot.red { background: var(--warning); }
.marker-dot.grey { background: #9ca3af; }
.marker-dot.amber { background: var(--accent); }
.marker-dot.teal { background: var(--accent-teal); }
.marker-dot.green { background: #22c55e; }
.marker-label {
  font-size: 0.7rem;
  color: var(--fg-muted);
  white-space: nowrap;
  margin-left: 6px;
}
.intelligence-note {
  margin-top: 28px;
  font-size: 0.9rem;
  color: var(--fg-muted);
}
.intelligence-note strong { color: var(--fg); }

/* CLOSING */
.closing {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.closing::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(5,150,105,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.closing-content {
  max-width: 680px;
}
.closing-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 24px;
}
.closing-body {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
}
.closing-visual {
  position: absolute;
  right: 80px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.6;
}
.closing-diagram svg {
  display: block;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
}
.footer-desc {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 4px;
}
.footer-meta {
  font-size: 0.8rem;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-sep { color: var(--border); }

/* SIGNUP CTA */
.signup-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.signup-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.signup-header { padding-top: 8px; }
.signup-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fg);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.signup-subtext {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}
.signup-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
}
.lead-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-muted);
}
.form-group .optional {
  font-weight: 400;
  opacity: 0.6;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.95rem;
  color: var(--fg);
  font-family: var(--font-body);
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(5,150,105,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #9ca3af; }
.form-group textarea {
  resize: vertical;
  min-height: 80px;
}
.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
}
.btn-primary:hover:not(:disabled) { opacity: 0.9; transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.form-error {
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.25);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.875rem;
  color: var(--warning);
}
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 24px 0;
}
.success-icon { margin-bottom: 8px; }
.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--fg);
}
.form-success p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}
.signup-ctas-row {
  grid-column: 1 / -1;
  text-align: center;
  margin-bottom: -16px;
}
.btn-trial-ghost {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-teal);
  text-decoration: none;
  padding: 8px 0;
  transition: opacity 0.2s;
}
.btn-trial-ghost:hover { opacity: 0.8; }
.signup-demo-link {
  grid-column: 1 / -1;
  text-align: center;
  margin-top: -24px;
}
.signup-demo-link a {
  font-size: 0.875rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.signup-demo-link a:hover { color: var(--accent); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-grid,
  .intelligence-layout,
  .signup-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    flex-direction: column;
  }
  .process-arrow {
    display: none;
  }
  .section-inner { padding: 72px 24px; }
  .nav-inner { padding: 16px 24px; }
  .hero-grid { padding: 0 24px 60px; }
  .closing-visual { display: none; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .signal-label { width: 48px; font-size: 0.65rem; }
  .form-row { grid-template-columns: 1fr; }
  .signup-inner { padding: 60px 24px; }
  .signup-card { padding: 24px; }
  .signup-demo-link { margin-top: 0; }
}