:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --fg-dim: #55556a;
  --accent: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --accent-bright: #fbbf24;
  --negative: #ef4444;
  --positive: #22c55e;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-inner {
  max-width: 840px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(245,158,11,0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-dim);
  max-width: 160px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-glow {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* ---- HERO CTA BUTTON ---- */
.hero-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.15s;
}

.btn-cta:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(245,158,11,0.3);
}

.btn-cta-arrow {
  transition: transform 0.15s;
}

.btn-cta:hover .btn-cta-arrow {
  transform: translateX(3px);
}

.hero-cta-note {
  font-size: 0.82rem;
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-cta-note::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--positive);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--positive);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---- FOOTER LINKS ---- */
.footer-links {
  display: flex;
  gap: 16px;
}

.footer-link {
  font-size: 0.82rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-link:hover { color: var(--accent); }

/* ---- SIGNAL SECTION ---- */
.signal {
  padding: 100px 24px;
  background: var(--bg-subtle);
}

.signal-inner {
  max-width: 960px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin-bottom: 16px;
}

.signal h2, .comparison h2, .how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.signal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s;
}

.signal-card:hover {
  border-color: rgba(245,158,11,0.2);
}

.signal-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-glow);
  border: 1px solid rgba(245,158,11,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 20px;
  font-family: var(--font-display);
  font-weight: 600;
}

.signal-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.signal-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- COMPARISON ---- */
.comparison {
  padding: 100px 24px;
}

.comparison-inner {
  max-width: 840px;
  margin: 0 auto;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.compare-col {
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
}

.compare-old {
  background: var(--bg-subtle);
}

.compare-new {
  background: var(--bg-card);
  border-color: rgba(245,158,11,0.2);
  box-shadow: 0 0 40px rgba(245,158,11,0.04);
}

.compare-header {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.compare-old .compare-header {
  color: var(--fg-dim);
}

.compare-new .compare-header {
  color: var(--accent);
}

.compare-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compare-col li {
  font-size: 0.9rem;
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.compare-old li {
  color: var(--fg-dim);
}

.compare-old li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: var(--negative);
  opacity: 0.6;
}

.compare-new li {
  color: var(--fg-muted);
}

.compare-new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--positive);
}

/* ---- HOW IT WORKS ---- */
.how {
  padding: 100px 24px;
  background: var(--bg-subtle);
}

.how-inner {
  max-width: 840px;
  margin: 0 auto;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step {
  position: relative;
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.closing-spark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.closing-vision {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent);
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 80px 20px 60px;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }

  .signal-grid {
    grid-template-columns: 1fr;
  }

  .compare-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .signal, .comparison, .how {
    padding: 60px 20px;
  }

  .closing {
    padding: 80px 20px;
  }
}

@media (max-width: 480px) {
  .steps {
    grid-template-columns: 1fr;
  }
}