:root {
  --bg: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --volt: #d4ff00;
  --volt-dim: rgba(212, 255, 0, 0.08);
  --volt-glow: rgba(212, 255, 0, 0.15);
  --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: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}

.hero-grid {
  max-width: 900px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--volt);
  background: var(--volt-dim);
  border: 1px solid rgba(212, 255, 0, 0.2);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 82px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 32px;
}

.volt {
  color: var(--volt);
  text-shadow: 0 0 40px rgba(212, 255, 0, 0.3);
}

.lede {
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--volt);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  max-width: 180px;
  line-height: 1.5;
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(212, 255, 0, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 120px 40px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 60px;
}

.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: 40px 32px;
  transition: border-color 0.3s ease;
}

.problem-card:hover {
  border-color: rgba(212, 255, 0, 0.2);
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--volt);
  margin-bottom: 24px;
  letter-spacing: 1px;
}

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

.problem-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== SERVICES ===== */
.services {
  padding: 120px 40px;
}

.services-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.services-header {
  margin-bottom: 60px;
}

.services-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: rgba(212, 255, 0, 0.15);
  background: rgba(22, 22, 31, 0.8);
}

.service-card.feature-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card), rgba(212, 255, 0, 0.03));
  border-color: rgba(212, 255, 0, 0.12);
}

.service-tag {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--volt);
  margin-bottom: 16px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 500px;
}

/* ===== HOW / VERTICALS ===== */
.how {
  padding: 120px 40px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 56px;
}

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

.how-item {
  display: flex;
  gap: 28px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

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

.how-marker {
  width: 10px;
  height: 10px;
  background: var(--volt);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 8px;
  box-shadow: 0 0 12px rgba(212, 255, 0, 0.4);
}

.how-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
}

.how-content p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== CLOSING ===== */
.closing {
  padding: 140px 40px;
  position: relative;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.closing-accent {
  width: 60px;
  height: 3px;
  background: var(--volt);
  margin: 0 auto 40px;
  border-radius: 2px;
  box-shadow: 0 0 20px rgba(212, 255, 0, 0.4);
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 24px;
  line-height: 1.2;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 18px;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 56px;
}

.closing-numbers {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

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

.closing-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--volt);
}

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

/* ===== FOOTER ===== */
.site-footer {
  padding: 60px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--volt);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 100px 24px 60px;
    min-height: auto;
  }

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

  .problem { padding: 80px 24px; }
  .problem-grid { grid-template-columns: 1fr; gap: 16px; }

  .services { padding: 80px 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card.feature-large { grid-column: span 1; }

  .how { padding: 80px 24px; }
  .how-item { gap: 20px; }

  .closing { padding: 80px 24px; }
  .closing-numbers { flex-direction: column; gap: 24px; align-items: center; }

  .site-footer { padding: 40px 24px; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { letter-spacing: -1px; }
  .problem-card { padding: 28px 24px; }
  .service-card { padding: 28px 24px; }
}