:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #e8e8e8;
  --fg-muted: #888;
  --accent: #e2a832;
  --accent-dim: rgba(226, 168, 50, 0.15);
  --accent-glow: rgba(226, 168, 50, 0.3);
  --green: #4ade80;
  --radius: 12px;
  --radius-lg: 20px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ========== HERO ========== */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  width: fit-content;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.hero h1 br { display: block; }

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 48px;
}

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

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

.stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-value .star { font-size: 0.8em; }

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
}

/* ========== SIGNAL (FEATURES) ========== */
.signal {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.signal-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: border-color 0.3s, transform 0.3s;
}

.signal-card:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

.signal-card.featured {
  background: linear-gradient(135deg, var(--bg-card), rgba(226, 168, 50, 0.08));
  border-color: var(--accent-glow);
}

.signal-icon {
  font-size: 2rem;
  margin-bottom: 20px;
}

.signal-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.signal-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ========== STACK (PIPELINE) ========== */
.stack {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.stack-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.stack-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.stack-text > p {
  color: var(--fg-muted);
  margin-bottom: 28px;
  font-size: 1rem;
}

.stack-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.stack-list li {
  font-size: 0.95rem;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 12px;
}

.check {
  color: var(--green);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

/* Mock Card Visual */
.stack-visual {
  display: flex;
  justify-content: center;
}

.mock-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  width: 100%;
  max-width: 320px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.mock-header {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.mock-item {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.mock-price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 4px;
}

.mock-range {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-weight: 400;
}

.mock-meta {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-bottom: 20px;
}

.mock-btn {
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 0;
  border-radius: 10px;
  text-align: center;
}

/* ========== PROOF (TESTIMONIALS) ========== */
.proof {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.proof h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 40px;
  letter-spacing: -0.02em;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial {
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px 24px;
  border-left: 3px solid var(--accent);
}

.testimonial p {
  font-style: italic;
  font-size: 0.95rem;
  color: var(--fg);
  line-height: 1.65;
  margin-bottom: 16px;
}

.testimonial cite {
  font-style: normal;
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.5px;
}

/* ========== CLOSING ========== */
.closing {
  padding: 100px 24px 80px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========== FOOTER ========== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg);
}

.footer-sep { color: var(--fg-muted); }

.footer-text {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .signal-grid {
    grid-template-columns: 1fr;
  }

  .stack-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stack-visual { order: -1; }

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

  .hero {
    min-height: auto;
    padding: 60px 20px 40px;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-divider { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-stats { flex-direction: column; align-items: flex-start; }
}