:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #7df06e;
  --accent-dim: #5cb850;
  --old-red: #ff4d4d;
  --border: #2a2a3a;
  --radius: 12px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.1;
}

/* NAV */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-subtle);
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--fg);
}

.nav-brand span {
  color: var(--accent);
}

.btn-nav {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--accent-dim);
  padding: 8px 18px;
  border-radius: 8px;
  transition: background .15s;
}

.btn-nav:hover {
  background: rgba(125,240,110,0.08);
}

/* CTA button */
.cta-btn {
  display: inline-block;
  background: var(--accent);
  color: #000;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 10px;
  text-decoration: none;
  transition: opacity .15s, transform .1s;
}

.cta-btn:hover {
  opacity: .88;
  transform: translateY(-2px);
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(125, 240, 110, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 800px;
  text-align: center;
}

.badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  margin-bottom: 24px;
  color: var(--fg);
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 32px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

/* COMPARISON */
.comparison {
  padding: 100px 24px;
  background: var(--bg-subtle);
}

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

.comparison h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 56px;
}

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

.compare-card {
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.compare-card.old {
  background: var(--bg);
}

.compare-card.new {
  background: var(--bg-card);
  border-color: var(--accent-dim);
  position: relative;
}

.compare-card.new::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(125,240,110,0.15), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.compare-card > * {
  position: relative;
  z-index: 1;
}

.compare-header {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  margin-bottom: 12px;
}

.compare-price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.compare-card.old .compare-price {
  color: var(--old-red);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

.compare-card.new .compare-price {
  color: var(--accent);
}

.compare-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--fg-muted);
}

.compare-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compare-card.old li {
  color: var(--fg-muted);
  padding-left: 24px;
  position: relative;
}

.compare-card.old li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: var(--old-red);
  font-size: 0.85rem;
}

.compare-card.new li {
  color: var(--fg);
  padding-left: 24px;
  position: relative;
}

.compare-card.new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* CAPABILITIES */
.capabilities {
  padding: 100px 24px;
  background: var(--bg);
}

.capabilities-inner {
  max-width: 960px;
  margin: 0 auto;
}

.capabilities h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 56px;
}

.cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.cap-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color 0.2s ease;
}

.cap-card:hover {
  border-color: var(--accent-dim);
}

.cap-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  opacity: 0.7;
}

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

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

/* CLOSING */
.closing {
  padding: 120px 24px;
  background: var(--bg-subtle);
  text-align: center;
}

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

.closing h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 24px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 40px;
}

.closing-tagline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent);
}

/* FOOTER */
.site-footer {
  padding: 40px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
}

.footer-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 60px 20px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    padding: 24px;
  }

  .stat-divider {
    width: 48px;
    height: 1px;
  }

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

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

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