:root {
  --bg-deep: #0a0b0f;
  --bg-card: #12141c;
  --bg-elevated: #1a1d28;
  --border: #252836;
  --text-primary: #e8eaf0;
  --text-secondary: #8b8fa3;
  --text-muted: #5c607a;
  --accent: #22d68a;
  --accent-dim: rgba(34, 214, 138, 0.12);
  --accent-glow: rgba(34, 214, 138, 0.25);
  --warning: #f5a623;
  --radius: 12px;
}

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

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* === HERO === */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-dim);
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  max-width: 900px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.03em;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), #4ae8b0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

/* === STATS BAR === */
.stats {
  display: flex;
  justify-content: center;
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-item {
  flex: 1;
  max-width: 280px;
  padding: 2.5rem 2rem;
  background: var(--bg-deep);
  text-align: center;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* === FEATURES === */
.features {
  padding: 7rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  text-align: center;
  margin-bottom: 4rem;
}

.features-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}

.features-header p {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 1rem auto 0;
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: border-color 0.3s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.2rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* === HOW IT WORKS === */
.how {
  padding: 6rem 2rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.how h2 {
  text-align: center;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 4rem;
  letter-spacing: -0.02em;
}

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

.how-step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}

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

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  min-width: 60px;
  line-height: 1;
}

.step-content h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

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

/* === CLOSING === */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(34, 214, 138, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.closing h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  letter-spacing: -0.03em;
}

.closing p {
  color: var(--text-secondary);
  max-width: 520px;
  margin: 1.5rem auto 0;
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
}

/* === FOOTER === */
.footer {
  padding: 2.5rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero { padding: 4rem 1.5rem 3rem; min-height: 80vh; }
  .stats { flex-direction: column; gap: 1px; }
  .stat-item { max-width: 100%; padding: 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 2rem; }
  .how-step { flex-direction: column; gap: 0.5rem; }
  .step-num { font-size: 2rem; min-width: auto; }
  .closing { padding: 5rem 1.5rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-sub { font-size: 0.95rem; }
  .stat-number { font-size: 1.8rem; }
}