:root {
  --bg: #0a0f1a;
  --bg-surface: #111827;
  --bg-card: #1a2235;
  --fg: #e8edf5;
  --fg-muted: #8b95a8;
  --fg-dim: #5a6478;
  --accent: #2dd4a8;
  --accent-glow: rgba(45, 212, 168, 0.15);
  --accent-dim: #1a9e7a;
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { 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: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  color: var(--accent);
  font-size: 18px;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
}

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

/* Hero */
.hero {
  padding: 160px 32px 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.hero-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

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

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

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

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

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

/* Problem */
.problem {
  padding: 120px 32px;
  background: var(--bg-surface);
}

.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 20px;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.problem-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.problem-desc {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.problem-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.problem-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.problem-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 2px;
}

.problem-item strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 17px;
}

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

/* Services */
.services {
  padding: 120px 32px;
}

.services-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.services-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  max-width: 600px;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  transition: border-color 0.3s;
}

.service-card:hover {
  border-color: rgba(45, 212, 168, 0.2);
}

.service-card-featured {
  border-color: rgba(45, 212, 168, 0.15);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(45, 212, 168, 0.04) 100%);
}

.service-icon {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-card h4 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

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

/* Proof */
.proof {
  padding: 120px 32px;
  background: var(--bg-surface);
}

.proof-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.proof-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  max-width: 600px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.proof-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
}

.proof-value {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.proof-metric {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.6;
}

.proof-note {
  color: var(--fg-dim);
  font-size: 13px;
  font-style: italic;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

/* Closing */
.closing {
  padding: 140px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

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

.closing-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 36px;
}

.closing-contact {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--accent);
  font-weight: 500;
}

/* Footer */
.footer {
  padding: 32px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

/* Mobile */
@media (max-width: 768px) {
  .nav-tagline { display: none; }

  .hero { padding: 120px 20px 60px; }
  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
  .stat-divider { display: none; }

  .problem { padding: 80px 20px; }
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .services { padding: 80px 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: 28px; }

  .proof { padding: 80px 20px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-value { font-size: 36px; }

  .closing { padding: 80px 20px; }

  .footer { padding: 24px 20px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}