:root {
  --bg: #0f172a;
  --bg-surface: #1e293b;
  --bg-card: #162032;
  --fg: #f8fafc;
  --fg-muted: #94a3b8;
  --accent: #84cc16;
  --accent-dim: rgba(132, 204, 22, 0.12);
  --alert: #ef4444;
  --alert-dim: rgba(239, 68, 68, 0.12);
  --border: rgba(148, 163, 184, 0.1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  padding: 0 40px;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.wordmark {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.site-header nav {
  display: flex;
  gap: 32px;
}

.site-header nav a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.site-header nav a:hover { color: var(--fg); }

/* Eyebrow */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* Section header */
.section-header {
  max-width: 600px;
  margin-bottom: 64px;
}

.section-header.centered {
  max-width: none;
  text-align: center;
  margin: 0 auto 64px;
}

.section-header h2 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
}

/* Hero */
.hero {
  padding: 80px 40px 64px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-text h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}

.hero-text .lede {
  font-size: 1.125rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 440px;
}

.pill-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(132, 204, 22, 0.2);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
}

/* Widget */
.hero-widget {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.metric-name {
  font-size: 0.875rem;
  color: var(--fg-muted);
  font-weight: 500;
}

.badge-live {
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 100px;
}

.metric-value {
  font-family: 'DM Serif Display', serif;
  font-size: 2.5rem;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 4px;
}

.metric-delta {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.metric-delta.positive { color: var(--accent); }
.metric-delta.negative { color: var(--alert); }

.sparkline svg {
  width: 100%;
  height: 60px;
}

/* Alert card */
.alert-card {
  display: flex;
  gap: 14px;
  background: var(--alert-dim);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 12px;
  padding: 16px 20px;
}

.alert-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--alert);
  flex-shrink: 0;
  margin-top: 4px;
  animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.alert-title {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--alert);
  margin-bottom: 4px;
}

.alert-detail {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  line-height: 1.5;
  margin-bottom: 6px;
}

.alert-meta {
  font-size: 0.75rem;
  color: var(--fg-muted);
  opacity: 0.7;
}

/* Status bar */
.status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--fg-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.status-dot.pulsing {
  animation: pulse-dot 2s ease-in-out infinite;
}

/* Ticker */
.ticker {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 40px;
  overflow: hidden;
}

.ticker-track {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  gap: 24px;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ticker-metric {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  font-weight: 500;
}

.ticker-val {
  font-family: 'DM Serif Display', serif;
  font-size: 1.125rem;
  color: var(--fg);
}

.ticker-delta {
  font-size: 0.75rem;
  font-weight: 600;
}

.ticker-delta.pos { color: var(--accent); }
.ticker-delta.neg { color: var(--alert); }
.ticker-delta.neu { color: var(--fg-muted); }

.ticker-sep {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* How */
.how {
  padding: 96px 40px;
}

.how-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.step-num {
  font-family: 'DM Serif Display', serif;
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 16px;
  line-height: 1;
}

.step h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}

.step p {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Pricing */
.pricing {
  padding: 96px 40px;
  background: var(--bg-surface);
}

.pricing-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.plan {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  position: relative;
}

.plan.featured {
  border-color: rgba(132, 204, 22, 0.3);
  background: var(--bg-card);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 32px;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
}

.plan-name {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  color: var(--fg);
  margin-bottom: 8px;
}

.plan-price {
  font-family: 'DM Serif Display', serif;
  font-size: 2.75rem;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.plan-price .per {
  font-size: 1rem;
  font-family: 'DM Sans', sans-serif;
  color: var(--fg-muted);
  font-weight: 400;
}

.plan-desc {
  font-size: 0.875rem;
  color: var(--fg-muted);
  margin-bottom: 24px;
  line-height: 1.6;
  min-height: 56px;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan-features li {
  font-size: 0.875rem;
  color: var(--fg-muted);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.plan-features li::before {
  content: '';
  display: block;
  width: 16px;
  height: 16px;
  background: var(--accent-dim);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6L5 9L10 3' stroke='%2384cc16' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}

/* Manifesto */
.manifesto {
  padding: 96px 40px;
}

.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.manifesto-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.manifesto-body p {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

.manifesto-body p:last-child {
  color: var(--fg);
  font-weight: 500;
}

/* Closing */
.closing {
  padding: 96px 40px;
  background: var(--bg-surface);
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 80px;
}

.closing-statement h2 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
}

/* Signal graphic */
.closing-graphic {
  position: relative;
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}

.signal-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(132, 204, 22, 0.2);
  animation: signal-expand 3s ease-out infinite;
}

.ring-1 { width: 120px; height: 120px; top: 0; left: 0; animation-delay: 0s; }
.ring-2 { width: 80px; height: 80px; top: 20px; left: 20px; animation-delay: 1s; }
.ring-3 { width: 40px; height: 40px; top: 40px; left: 40px; animation-delay: 2s; }

@keyframes signal-expand {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

.signal-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border: 1px solid rgba(132, 204, 22, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 40px 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 48px;
  gap: 48px;
}

.footer-brand .wordmark {
  display: block;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--fg); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .manifesto-inner { grid-template-columns: 1fr; }
  .closing-inner { flex-direction: column; }
  .pricing-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .ticker-track { gap: 16px; }
  .ticker-sep { display: none; }
  .site-header nav { display: none; }
}

@media (max-width: 600px) {
  .hero, .how, .pricing, .manifesto, .closing { padding-left: 24px; padding-right: 24px; }
  .ticker { padding-left: 24px; padding-right: 24px; }
  .site-header { padding: 0 24px; }
  .footer-inner { flex-direction: column; }
}