:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #18182a;
  --fg: #e8e8f0;
  --fg-muted: #8888a0;
  --fg-dim: #5a5a72;
  --accent: #6cff8c;
  --accent-dim: rgba(108, 255, 140, 0.12);
  --accent-glow: rgba(108, 255, 140, 0.25);
  --border: #2a2a3d;
  --radius: 12px;
  --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: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.hero-inner {
  flex: 1;
  min-width: 320px;
  max-width: 560px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero h1 .struck {
  color: var(--accent);
  text-decoration: line-through;
  text-decoration-color: var(--fg-dim);
  text-decoration-thickness: 2px;
}

.lede {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* Proof card visual */
.hero-visual {
  flex: 0 0 340px;
  min-width: 280px;
}

.proof-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 0 60px var(--accent-dim);
}

.proof-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--fg-muted);
}

.proof-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fg-dim);
}

.proof-dot.green { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }

.proof-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.proof-row:last-child { margin-bottom: 0; }

.proof-label {
  flex: 0 0 90px;
  font-size: 14px;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-weight: 500;
}

.proof-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 100px;
  overflow: hidden;
}

.proof-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #a3ffc0);
  border-radius: 100px;
  transition: width 1s ease;
}

.proof-fill.green-fill {
  background: var(--accent);
}

.proof-val {
  flex: 0 0 60px;
  text-align: right;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
}

/* ===== HOW ===== */
.how {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.8px;
  margin-bottom: 60px;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.step {
  padding: 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s;
}

.step:hover {
  border-color: var(--accent);
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.6;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.step p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.65;
}

/* ===== EVIDENCE ===== */
.evidence {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.evidence-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.evidence-text {
  max-width: 520px;
  margin-bottom: 56px;
}

.evidence-text h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}

.evidence-text p {
  color: var(--fg-muted);
  font-size: 17px;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.ev-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s, border-color 0.3s;
}

.ev-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.ev-icon {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 18px;
  line-height: 1;
}

.ev-card h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.ev-card p {
  color: var(--fg-muted);
  font-size: 14px;
  line-height: 1.65;
}

/* ===== SIDES ===== */
.sides {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.side {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.side-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.side h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.side ul {
  list-style: none;
  padding: 0;
}

.side ul li {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.65;
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
}

.side ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 100%);
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 24px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 17px;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.footer-tagline {
  color: var(--fg-dim);
  font-size: 14px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    min-height: auto;
    padding-top: 60px;
    gap: 40px;
  }

  .hero-visual {
    flex: none;
    width: 100%;
  }

  .proof-card {
    max-width: 400px;
  }

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

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

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

  .closing h2 br {
    display: none;
  }
}