:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --fg-primary: #f0f0f0;
  --fg-secondary: #999999;
  --fg-muted: #666666;
  --accent: #00e676;
  --accent-dim: #00c853;
  --accent-glow: rgba(0, 230, 118, 0.12);
  --border: #222222;
  --radius: 12px;
  --max-width: 1120px;
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  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;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ─── NAV ─── */
.site-nav {
  padding: 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--fg-primary);
  text-decoration: none;
}

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

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--fg-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-cta {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #0a0a0a;
  background: var(--accent);
  text-decoration: none;
  padding: 9px 20px;
  border-radius: 8px;
  transition: background 0.2s, transform 0.15s;
  margin-left: 8px;
}

.nav-cta:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

/* ─── HERO ─── */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 100px 24px 80px;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0, 230, 118, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 200, 83, 0.04) 0%, transparent 50%),
    var(--bg-primary);
}

.hero-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(0, 230, 118, 0.2);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 24px;
}

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

.hero .lede {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--fg-secondary);
  max-width: 620px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.stats-row {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 14px;
  color: var(--fg-muted);
  margin-top: 4px;
}

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

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

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

.problem-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 600;
  margin-bottom: 56px;
  max-width: 700px;
}

.problem-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.2s;
}

.problem-card:hover {
  border-color: rgba(0, 230, 118, 0.3);
}

.problem-icon {
  font-size: 28px;
  margin-bottom: 20px;
  filter: grayscale(1) brightness(2);
}

.problem-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ─── SERVICES ─── */
.services {
  padding: 100px 24px;
  background: var(--bg-primary);
}

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

.services-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

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

.services-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 600;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.service-item {
  padding: 36px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  transition: border-color 0.2s, transform 0.2s;
}

.service-item:hover {
  border-color: rgba(0, 230, 118, 0.25);
  transform: translateY(-2px);
}

.service-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.service-item h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-item p {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ─── NICHES ─── */
.niches {
  padding: 100px 24px;
  background: var(--bg-secondary);
  text-align: center;
}

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

.niches h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  margin-bottom: 48px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.niche-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.niche-tag {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--fg-primary);
  transition: border-color 0.2s, background 0.2s;
}

.niche-tag:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.niches-sub {
  font-size: 17px;
  color: var(--fg-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ─── CLOSING ─── */
.closing {
  padding: 120px 24px;
  background:
    radial-gradient(ellipse at 50% 80%, rgba(0, 230, 118, 0.08) 0%, transparent 50%),
    var(--bg-primary);
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 24px;
}

.closing p {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg-primary);
}

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

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 80px 20px 60px;
  }

  .stats-row {
    gap: 24px;
  }

  .stat-divider {
    display: none;
  }

  .stat-number {
    font-size: 32px;
  }

  .problem, .services, .niches {
    padding: 72px 20px;
  }

  .closing {
    padding: 80px 20px;
  }

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

  .problem-cards {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 32px;
  }

  .niche-tag {
    font-size: 13px;
    padding: 8px 16px;
  }

  .site-nav .nav-link {
    display: none;
  }
}

/* ─── HERO CTA BUTTONS ─── */
.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #0a0a0a;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  padding: 15px 32px;
  border-radius: 10px;
  transition: background 0.2s, transform 0.15s;
}

.hero-btn-primary:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
}

.hero-btn-secondary {
  display: inline-flex;
  align-items: center;
  color: var(--fg-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  padding: 14px 24px;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
}

.hero-btn-secondary:hover {
  color: var(--fg-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ─── CLOSING CTA BUTTONS ─── */
.closing-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.closing-btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #0a0a0a;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  padding: 15px 32px;
  border-radius: 10px;
  transition: background 0.2s, transform 0.15s;
}

.closing-btn-primary:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
}

.closing-btn-secondary {
  display: inline-flex;
  align-items: center;
  color: var(--fg-secondary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  padding: 14px 24px;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
}

.closing-btn-secondary:hover {
  color: var(--fg-primary);
  border-color: rgba(255, 255, 255, 0.2);
}