:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --bg-card: #1a1a25;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #22c55e;
  --accent-dim: rgba(34, 197, 94, 0.15);
  --accent-glow: rgba(34, 197, 94, 0.3);
  --red-muted: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.15);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --max-w: 1100px;
  --px: clamp(1.25rem, 5vw, 3rem);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ========== NAV ========== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 var(--px);
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.nav-cta {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}

.nav-cta:hover {
  background: var(--accent);
  color: #0a0a0f;
}

/* ========== HERO ========== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem var(--px) 4rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  width: fit-content;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

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

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin-bottom: 3.5rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  align-items: center;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  max-width: 200px;
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,0.08);
}

/* ========== PROOF ========== */
.proof {
  padding: 5rem var(--px);
  background: var(--bg-subtle);
}

.proof-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.proof-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 1.2rem;
  line-height: 1.2;
}

.proof-text p {
  color: var(--fg-muted);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.proof-highlight {
  color: var(--fg) !important;
  font-size: 1.1rem;
}

.proof-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.price-card {
  padding: 1.5rem 2rem;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.06);
}

.price-card.featured {
  background: var(--accent-dim);
  border-color: var(--accent);
  box-shadow: 0 0 40px var(--accent-glow);
}

.price-card-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}

.price-card.featured .price-card-label {
  color: var(--accent);
}

.price-card-amount {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
}

.price-card-amount.old {
  color: var(--fg-muted);
  text-decoration: line-through;
  text-decoration-color: var(--red-muted);
}

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

.price-card-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 0.4rem;
}

/* ========== SERVICES ========== */
.services {
  padding: 5rem var(--px);
  max-width: var(--max-w);
  margin: 0 auto;
}

.services-header {
  margin-bottom: 3rem;
}

.services-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color 0.3s;
}

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

.service-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ========== NICHES ========== */
.niches {
  padding: 5rem var(--px);
  background: var(--bg-subtle);
}

.niches h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  max-width: var(--max-w);
  margin: 0 auto 1rem;
}

.niches-sub {
  color: var(--fg-muted);
  max-width: 650px;
  margin: 0 auto 2.5rem;
  max-width: var(--max-w);
}

.niches-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  max-width: var(--max-w);
  margin: 0 auto 3rem;
}

.niche-tag {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.6rem 1.4rem;
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  transition: all 0.3s;
}

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

.niches-math {
  max-width: 500px;
  margin: 0 auto;
  max-width: var(--max-w);
}

.math-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.math-label {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.math-value {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

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

.math-conclusion {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--accent);
}

/* ========== CLOSING ========== */
.closing {
  padding: 6rem var(--px);
  text-align: center;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.2rem;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* ========== FOOTER ========== */
.site-footer {
  padding: 2.5rem var(--px);
  border-top: 1px solid rgba(255,255,255,0.06);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .stat-divider {
    display: none;
  }

  .proof-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .niches-list {
    gap: 0.5rem;
  }

  .math-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}