:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #4ade80;
  --accent-dim: #22c55e;
  --accent-glow: rgba(74, 222, 128, 0.15);
  --border: rgba(255, 255, 255, 0.06);
  --card-bg: rgba(255, 255, 255, 0.03);
  --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;
  overflow-x: hidden;
}

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

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(74, 222, 128, 0.25);
  background: rgba(74, 222, 128, 0.06);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.lede {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.65;
}

.hero-cta {
  display: inline-block;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 10px;
  text-decoration: none;
  margin-bottom: 48px;
  transition: opacity 0.15s, transform 0.1s;
  letter-spacing: -0.01em;
}

.hero-cta:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

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

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

.stat-number {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

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

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ========== PROOF / PROBLEM ========== */
.proof {
  padding: 100px 24px;
  background: var(--bg-subtle);
}

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

.proof-eyebrow,
.how-eyebrow,
.comparison-eyebrow {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.proof h2,
.how h2,
.comparison h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  max-width: 640px;
}

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

.proof-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s;
}

.proof-card:hover {
  border-color: rgba(74, 222, 128, 0.2);
}

.proof-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.proof-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.3;
}

.proof-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.55;
}

/* ========== HOW IT WORKS ========== */
.how {
  padding: 100px 24px;
}

.how-inner {
  max-width: 720px;
  margin: 0 auto;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.how-step {
  display: flex;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.how-step:last-child {
  border-bottom: none;
}

.step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: rgba(74, 222, 128, 0.15);
  line-height: 1;
  min-width: 64px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ========== COMPARISON ========== */
.comparison {
  padding: 100px 24px;
  background: var(--bg-subtle);
}

.comparison-inner {
  max-width: 760px;
  margin: 0 auto;
}

.comparison-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.comp-row {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
}

.comp-header {
  background: rgba(255, 255, 255, 0.04);
}

.comp-cell {
  padding: 16px 20px;
  font-size: 15px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

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

.comp-label {
  font-weight: 500;
  color: var(--fg-muted);
}

.comp-highlight {
  color: var(--accent);
  font-weight: 600;
  background: rgba(74, 222, 128, 0.03);
}

.comp-header .comp-cell {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
}

.comp-header .comp-highlight {
  color: var(--accent);
}

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

.closing-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.65;
}

.closing-glow {
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--fg);
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    padding: 100px 20px 60px;
  }

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

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .proof-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .how-step {
    flex-direction: column;
    gap: 12px;
  }

  .step-number {
    font-size: 36px;
    min-width: auto;
  }

  .comp-row {
    grid-template-columns: 1.2fr repeat(3, 1fr);
  }

  .comp-cell {
    padding: 12px 10px;
    font-size: 13px;
  }

  .proof,
  .how,
  .comparison {
    padding: 64px 20px;
  }

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

@media (max-width: 480px) {
  .comp-row {
    grid-template-columns: 1fr 1fr;
    row-gap: 0;
  }

  .comp-row.comp-header .comp-cell:nth-child(3),
  .comp-row.comp-header .comp-cell:nth-child(4),
  .comp-row:not(.comp-header) .comp-cell:nth-child(3),
  .comp-row:not(.comp-header) .comp-cell:nth-child(4) {
    display: none;
  }
}