:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent: #6ee7b7;
  --accent-dim: rgba(110, 231, 183, 0.12);
  --accent-glow: rgba(110, 231, 183, 0.06);
  --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: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 140px 24px 100px;
  text-align: center;
  overflow: hidden;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.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: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 100px;
  border: 1px solid rgba(110, 231, 183, 0.15);
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  margin-bottom: 24px;
  color: #fff;
}

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

.lede {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

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

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

.stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-dim);
  max-width: 160px;
  text-align: center;
}

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

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

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

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(28px, 4vw, 40px);
  text-align: center;
  margin-bottom: 60px;
  color: #fff;
}

.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: var(--radius);
  padding: 36px 28px;
}

.problem-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: #ff6b6b;
  background: rgba(255, 107, 107, 0.1);
  border-radius: 10px;
  margin-bottom: 20px;
}

.problem-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #fff;
}

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

/* ===== FEATURES ===== */
.features {
  padding: 120px 24px;
}

.features-inner {
  max-width: 800px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.features h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 64px;
  color: #fff;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.feature-item {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(110, 231, 183, 0.15);
  border-radius: 8px;
  padding: 8px 14px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-content h3 {
  font-size: 20px;
  margin-bottom: 8px;
  color: #fff;
}

.feature-content p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
}

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

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

.how h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 64px;
  color: #fff;
}

.how-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.how-step {
  flex: 1;
  max-width: 260px;
  padding: 0 16px;
}

.step-marker {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  border-radius: 50%;
  margin-bottom: 20px;
}

.how-step h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #fff;
}

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

.how-connector {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin-top: 23px;
  flex-shrink: 0;
  opacity: 0.4;
}

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

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 24px;
  color: #fff;
}

.closing-text {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.75;
}

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

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
}

.footer-note {
  font-size: 13px;
  color: var(--fg-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 100px 20px 70px; }
  .lede { font-size: 17px; }

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

  .stat-divider {
    width: 48px;
    height: 1px;
  }

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

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

  .how-steps {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .how-connector {
    width: 2px;
    height: 32px;
    background: linear-gradient(180deg, var(--accent), transparent);
    margin: 0;
  }

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

@media (max-width: 480px) {
  .hero h1 { font-size: 34px; }
  .problem-card { padding: 24px 20px; }
  .features { padding: 80px 20px; }
  .closing { padding: 80px 20px; }
}