:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #e8e8e8;
  --fg-muted: #888;
  --accent: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --wrong: #ef4444;
  --right: #22c55e;
  --border: #2a2a2a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow), transparent),
    linear-gradient(180deg, #0d0d0d 0%, var(--bg) 100%);
}

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

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat { text-align: center; }

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

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

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
}

.problem-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.problem-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.card-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(239, 68, 68, 0.15);
  color: var(--wrong);
}

.card-icon.check {
  background: rgba(34, 197, 94, 0.15);
  color: var(--right);
}

.problem-card.right {
  border-color: rgba(34, 197, 94, 0.3);
  background: rgba(34, 197, 94, 0.05);
}

.problem-card.right p { color: var(--fg); }

/* ===== FORMULA ===== */
.formula {
  padding: 100px 24px;
}

.formula-inner {
  max-width: 800px;
  margin: 0 auto;
}

.formula h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.formula-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 56px;
  max-width: 600px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.step:first-child { border-top: 1px solid var(--border); }

.step-num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  padding-top: 2px;
  flex-shrink: 0;
  width: 32px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

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

.services-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.services h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.services-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 48px;
  max-width: 600px;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
}

.service-emoji {
  font-size: 2rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.service-detail {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.detail-label { color: var(--fg-muted); }
.detail-value { font-weight: 600; color: var(--fg); }

.service-why {
  margin-top: 20px;
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, var(--accent-glow), transparent),
    var(--bg);
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .problem-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .hero-stats {
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }

  .hero-stats {
    flex-direction: row;
    justify-content: space-around;
  }

  .step {
    gap: 20px;
  }

  .hero {
    min-height: auto;
    padding: 60px 24px 80px;
  }

  .problem,
  .formula,
  .services {
    padding: 60px 24px;
  }

  .closing {
    padding: 80px 24px;
  }
}