:root {
  --bg-deep: #0B1426;
  --bg-card: #111D33;
  --bg-card-hover: #162640;
  --accent: #00D4AA;
  --accent-dim: rgba(0, 212, 170, 0.15);
  --text-primary: #F0F0EB;
  --text-secondary: #8899B0;
  --text-muted: #5A6B80;
  --border: rgba(255, 255, 255, 0.06);
  --font-heading: 'Instrument Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ======================== HERO ======================== */

.hero {
  padding: 120px 24px 80px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

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

.hero .lede {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.75;
  margin-bottom: 48px;
}

.stats-row {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 32px;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
}

.stat {
  flex: 1;
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

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

/* ======================== PROBLEM ======================== */

.problem {
  padding: 100px 24px;
  border-top: 1px solid var(--border);
}

.problem-inner {
  max-width: 900px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  transition: background 0.2s;
}

.problem-card:hover {
  background: var(--bg-card-hover);
}

.problem-icon {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.problem-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ======================== HOW IT WORKS ======================== */

.how-it-works {
  padding: 100px 24px;
  border-top: 1px solid var(--border);
}

.how-inner {
  max-width: 900px;
  margin: 0 auto;
}

.how-label {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.how-inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

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

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

.step:last-child {
  border-bottom: 1px solid var(--border);
}

.step-num {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 32px;
  padding-top: 2px;
}

.step-content h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ======================== VERTICALS ======================== */

.verticals {
  padding: 100px 24px;
  border-top: 1px solid var(--border);
}

.verticals-inner {
  max-width: 900px;
  margin: 0 auto;
}

.verticals-inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.verticals-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

.verticals-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.vertical-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  transition: border-color 0.2s;
}

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

.v-emoji {
  color: var(--accent);
  font-size: 0.7rem;
}

.v-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ======================== PRICING MATH ======================== */

.pricing-math {
  padding: 100px 24px;
  border-top: 1px solid var(--border);
}

.pricing-inner {
  max-width: 640px;
  margin: 0 auto;
}

.pricing-inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

.math-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.math-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
}

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

.math-row.total {
  background: var(--accent-dim);
}

.math-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.math-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.math-value.highlight {
  color: var(--accent);
}

.math-note {
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
}

/* ======================== CLOSING ======================== */

.closing {
  padding: 120px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 24px;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
}

.closing-vision {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

/* ======================== FOOTER ======================== */

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

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

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

/* ======================== RESPONSIVE ======================== */

@media (max-width: 768px) {
  .hero {
    padding: 80px 20px 60px;
  }

  .stats-row {
    flex-direction: column;
    gap: 24px;
    padding: 24px;
  }

  .stat-divider {
    width: 100%;
    height: 1px;
  }

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

  .verticals-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .problem, .how-it-works, .verticals, .pricing-math, .closing {
    padding: 64px 20px;
  }
}

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