:root {
  --bg: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-dim: #6b6b7b;
  --accent: #b4f72a;
  --accent-dim: rgba(180, 247, 42, 0.12);
  --accent-glow: rgba(180, 247, 42, 0.25);
  --red: #ff4d6a;
  --green-card: #b4f72a;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

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;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  width: fit-content;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.lede {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--fg-dim);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 56px;
}

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

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-top: 4px;
  max-width: 180px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.08);
}

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

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

.problem-label,
.how-label,
.numbers-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 20px;
}

.problem h2,
.how h2,
.numbers h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.problem-text {
  font-size: 1.1rem;
  color: var(--fg-dim);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.problem-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 700px;
}

.comparison-card {
  padding: 32px;
  border-radius: var(--radius);
  position: relative;
}

.comparison-card.old {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
}

.comparison-card.new {
  background: var(--accent-dim);
  border: 1px solid rgba(180, 247, 42, 0.2);
}

.card-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  margin-bottom: 12px;
}

.comparison-card.new .card-label {
  color: var(--accent);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.card-example {
  font-size: 0.9rem;
  color: var(--fg-dim);
  margin-bottom: 20px;
  line-height: 1.5;
}

.card-total {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
}

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

.comparison-card.new .card-total {
  color: var(--accent);
}

/* ========== HOW ========== */
.how {
  padding: 100px 24px;
}

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

.how h2 {
  margin-bottom: 56px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step {
  padding: 36px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.04);
  transition: border-color 0.3s ease;
}

.step:hover {
  border-color: rgba(180, 247, 42, 0.15);
}

.step-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.step p {
  font-size: 0.95rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

/* ========== NUMBERS ========== */
.numbers {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

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

.numbers h2 {
  margin-bottom: 56px;
}

.number-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.number-item {
  padding: 32px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.04);
}

.number-big {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.number-item p {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.5;
}

/* ========== CLOSING ========== */
.closing {
  padding: 120px 24px;
  text-align: center;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-text {
  font-size: 1.15rem;
  color: var(--fg-dim);
  line-height: 1.75;
  max-width: 600px;
  margin: 0 auto;
}

/* ========== FOOTER ========== */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 60px 20px 48px; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
  .problem { padding: 64px 20px; }
  .problem-comparison { grid-template-columns: 1fr; }
  .how { padding: 64px 20px; }
  .steps { grid-template-columns: 1fr; }
  .numbers { padding: 64px 20px; }
  .number-grid { grid-template-columns: 1fr 1fr; }
  .closing { padding: 80px 20px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .number-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; align-items: flex-start; }
}