:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #161d2f;
  --bg-accent: #0d2137;
  --fg-primary: #f0f2f5;
  --fg-secondary: #8b95a8;
  --fg-muted: #5a6478;
  --accent: #00d4aa;
  --accent-glow: rgba(0, 212, 170, 0.15);
  --accent-subtle: rgba(0, 212, 170, 0.08);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 80px clamp(24px, 6vw, 120px);
  position: relative;
  overflow: hidden;
}

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

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-subtle);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 28px;
}

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

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  max-width: 520px;
  line-height: 1.7;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 400px;
}

.shield-icon {
  width: 100px;
  height: 100px;
  color: var(--accent);
  position: relative;
  z-index: 2;
}

.pulse-ring {
  position: absolute;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(0, 212, 170, 0.15);
  border-radius: 50%;
  animation: pulse 4s ease-out infinite;
}

.pulse-ring.delay-1 {
  animation-delay: 1.3s;
}

.pulse-ring.delay-2 {
  animation-delay: 2.6s;
}

@keyframes pulse {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(3);
    opacity: 0;
  }
}

/* ===== PROBLEM ===== */
.problem {
  padding: 120px clamp(24px, 6vw, 120px);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
}

.problem h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  max-width: 800px;
  margin-bottom: 56px;
  color: var(--fg-primary);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 56px;
}

.stat {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.stat-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.5;
}

.problem-kicker {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  max-width: 780px;
  line-height: 1.75;
  border-left: 3px solid var(--accent);
  padding-left: 24px;
}

/* ===== SERVICES ===== */
.services {
  padding: 120px clamp(24px, 6vw, 120px);
}

.services h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  max-width: 700px;
  margin-bottom: 64px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

.service-card:hover {
  border-color: rgba(0, 212, 170, 0.3);
  transform: translateY(-2px);
}

.service-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.service-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--fg-primary);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ===== EDGE ===== */
.edge {
  padding: 120px clamp(24px, 6vw, 120px);
  background: var(--bg-accent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.edge h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  max-width: 650px;
  margin-bottom: 56px;
}

.edge-points {
  display: flex;
  flex-direction: column;
  gap: 36px;
  max-width: 700px;
}

.edge-point {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.edge-marker {
  width: 12px;
  height: 12px;
  min-width: 12px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
  box-shadow: 0 0 12px var(--accent-glow);
}

.edge-text h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--fg-primary);
}

.edge-text p {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ===== CLOSING ===== */
.closing {
  padding: 140px clamp(24px, 6vw, 120px);
  text-align: center;
}

.closing h2 {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  max-width: 750px;
  margin: 0 auto 24px;
}

.closing p {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px clamp(24px, 6vw, 120px);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg-primary);
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.footer-location {
  font-size: 0.9rem;
  color: var(--fg-muted);
  margin-left: auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 60px;
  }

  .hero-visual {
    height: 250px;
    order: -1;
  }

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

  .services-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .footer-location {
    margin-left: 0;
  }
}