:root {
  --bg: #080c14;
  --bg-elevated: #0d1320;
  --bg-card: #111827;
  --fg: #e8ecf1;
  --fg-muted: #8896ab;
  --accent: #00d474;
  --accent-dim: rgba(0, 212, 116, 0.12);
  --accent-glow: rgba(0, 212, 116, 0.25);
  --red: #ff4757;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1100px;
}

* { 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: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 120px 24px 80px;
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 8px 18px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  border-radius: 100px;
  letter-spacing: 0.02em;
  margin-bottom: 32px;
  border: 1px solid rgba(0, 212, 116, 0.2);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: #fff;
}

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

.hero-sub {
  font-size: 20px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 28px 36px;
  background: var(--bg-elevated);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.06);
  max-width: fit-content;
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  display: block;
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 4px;
  letter-spacing: 0.01em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.08);
}

.hero-gradient {
  position: absolute;
  top: -200px;
  right: -300px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  opacity: 0.3;
  pointer-events: none;
  z-index: 1;
}

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

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  color: #fff;
}

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

.problem-card {
  padding: 36px 32px;
  background: var(--bg);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(255, 71, 87, 0.3);
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #fff;
}

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

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.features-header {
  margin-bottom: 64px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 12px;
}

.features-sub {
  font-size: 18px;
  color: var(--fg-muted);
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.feature {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.feature:first-child { border-top: 1px solid rgba(255,255,255,0.06); }

.feature-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  min-width: 40px;
  padding-top: 4px;
  letter-spacing: 0.05em;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 16px;
  max-width: 640px;
}

/* ===== PATH / TIMELINE ===== */
.path {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.path-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.path h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 8px;
}

.path-sub {
  font-size: 18px;
  color: var(--fg-muted);
  margin-bottom: 56px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.timeline-item {
  position: relative;
  padding: 28px 24px;
  background: var(--bg);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.05);
}

.timeline-marker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.timeline-content p {
  color: var(--fg-muted);
  font-size: 14px;
  line-height: 1.6;
}

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

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 24px;
}

.closing-text {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-disclaimer {
  font-size: 12px;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
  opacity: 0.7;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 60px; min-height: auto; }
  .hero-stats { flex-direction: column; gap: 20px; padding: 24px 28px; }
  .stat-divider { width: 40px; height: 1px; }
  .problem-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .feature { flex-direction: column; gap: 12px; }
  .feature-num { min-width: auto; }
  section { padding: 60px 20px; }
  .problem, .path { padding: 60px 20px; }
  .closing { padding: 80px 20px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 36px; }
  .hero-sub { font-size: 17px; }
}