:root {
  --bg: #060D1A;
  --surface: #0B1628;
  --surface2: #111F35;
  --teal: #00E5B0;
  --teal-dim: #00E5B020;
  --amber: #FFB800;
  --text: #E8EDF5;
  --text-muted: #8A9BB5;
  --border: #1A2E4A;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.brand-mark {
  color: var(--teal);
  font-size: 22px;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* HERO */
.hero {
  padding: 80px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* FEED MOCKUP */
.feed-mockup {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  max-width: 580px;
  margin-bottom: 48px;
}

.feed-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.feed-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.feed-updated {
  font-size: 12px;
  color: var(--teal);
  font-family: var(--font-display);
  display: flex;
  align-items: center;
  gap: 6px;
}

.feed-updated::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse 2s infinite;
}

.feed-items { padding: 8px 0; }

.feed-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.feed-item:last-child { border-bottom: none; }

.feed-item:hover { background: var(--surface2); }

.feed-icon {
  font-size: 18px;
  flex-shrink: 0;
  width: 32px;
  text-align: center;
}

.feed-item--amazon .feed-icon { color: #FF9900; }
.feed-item--tiktok .feed-icon { color: #EE1D52; }
.feed-item--ebay .feed-icon { color: #E53238; }

.feed-content { flex: 1; min-width: 0; }

.feed-product {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.feed-meta {
  display: flex;
  gap: 10px;
  margin-top: 2px;
}

.feed-platform {
  font-size: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.feed-item--amazon .feed-platform { color: #FF9900; }
.feed-item--tiktok .feed-platform { color: #EE1D52; }
.feed-item--ebay .feed-platform { color: #E53238; }

.feed-rank {
  font-size: 12px;
  color: var(--text-muted);
}

.feed-score {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--teal);
  flex-shrink: 0;
}

/* HERO STATS */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  max-width: 560px;
}

.stat {
  flex: 1;
  padding: 18px 24px;
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 2px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* SIGNALFLOW */
.signalflow {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.sf-header { max-width: 580px; margin-bottom: 56px; }

.sf-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}

.sf-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.2;
}

.sf-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
}

.cascade {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 48px;
}

.cascade-step {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
}

.cascade-step--tiktok { border-top: 3px solid #EE1D52; }
.cascade-step--amazon { border-top: 3px solid #FF9900; }
.cascade-step--ebay { border-top: 3px solid #E53238; }

.cascade-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.cascade-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.cascade-step--tiktok .cascade-icon { color: #EE1D52; }
.cascade-step--amazon .cascade-icon { color: #FF9900; }
.cascade-step--ebay .cascade-icon { color: #E53238; }

.cascade-platform {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.cascade-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
  font-family: var(--font-display);
  margin-bottom: 8px;
}

.cascade-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.cascade-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--border);
  padding: 0 20px;
  flex-shrink: 0;
}

.sf-cta { }

.cta-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--teal);
  border-radius: 12px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 700px;
}

.cta-number {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  flex-shrink: 0;
}

.cta-text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* FEATURES */
.features {
  padding: 80px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-header { max-width: 580px; margin-bottom: 48px; }

.features-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}

.features-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  max-width: 1100px;
}

.feature-card {
  background: var(--surface);
  padding: 32px 28px;
  transition: background 0.2s;
}

.feature-card:hover { background: var(--surface2); }

.feature-icon {
  font-size: 24px;
  color: var(--teal);
  margin-bottom: 16px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-body {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* EDGE */
.edge {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.edge-inner { max-width: 900px; }

.edge-header { margin-bottom: 48px; }

.edge-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}

.edge-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.comp-col {
  background: var(--surface);
  padding: 28px;
}

.comp-col--us {
  background: var(--surface2);
  border-left: 3px solid var(--teal);
}

.comp-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.comp-item {
  font-size: 14px;
  color: var(--text-muted);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

.comp-item:last-child { border-bottom: none; }

.comp-col--us .comp-item { color: var(--text); }

/* CLOSING */
.closing {
  padding: 100px 48px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
  border-top: 1px solid var(--border);
}

.closing-inner { max-width: 700px; }

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.1;
}

.closing-body {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.closing-vision {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--teal);
}

.vision-icon { font-size: 20px; }
.vision-text { }

/* FOOTER */
.footer {
  padding: 36px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
  flex: 1;
}

.footer-platforms {
  display: flex;
  gap: 8px;
}

.pills {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 48px 24px; }
  .hero-headline { font-size: 36px; }
  .feed-mockup { max-width: 100%; }
  .hero-stats { max-width: 100%; }
  .cascade { flex-direction: column; }
  .cascade-arrow { transform: rotate(90deg); padding: 8px 0; }
  .signalflow { padding: 48px 24px; }
  .features { padding: 48px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .edge { padding: 48px 24px; }
  .comparison { grid-template-columns: 1fr; }
  .closing { padding: 64px 24px; }
  .footer { padding: 28px 24px; flex-direction: column; align-items: flex-start; gap: 12px; }
  .cta-box { flex-direction: column; gap: 12px; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; }
  .stat-divider { width: 80px; height: 1px; }
  .stat { width: 100%; text-align: left; }
}