:root {
  --bg: #0a0a0c;
  --bg-elevated: #111115;
  --bg-card: #16161b;
  --fg: #e8e6e1;
  --fg-muted: #8a877f;
  --fg-dim: #5a584f;
  --accent: #c9a44a;
  --accent-glow: rgba(201, 164, 74, 0.15);
  --accent-bright: #e0be5e;
  --border: #222228;
  --radius: 12px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.hero .lede {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 300;
  line-height: 1.7;
}

.hero-gradient {
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

/* ---- SECTIONS ---- */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  max-width: 800px;
}

/* ---- ARBITRAGE ---- */
.arbitrage {
  padding: 120px 24px;
  background: var(--bg);
}

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

.arb-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.3s;
}

.arb-card:hover {
  border-color: var(--fg-dim);
}

.arb-card.highlight {
  border-color: var(--accent);
  background: linear-gradient(145deg, var(--bg-card), rgba(201, 164, 74, 0.05));
}

.arb-card-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--fg-dim);
  margin-bottom: 20px;
}

.arb-card.highlight .arb-card-number {
  color: var(--accent);
}

.arb-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.arb-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
  font-weight: 300;
}

/* ---- PROCESS ---- */
.process {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

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

.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  position: relative;
  padding-bottom: 48px;
}

.step:last-child { padding-bottom: 0; }

.step-line {
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.step:last-child .step-line { display: none; }

.step-marker {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
  background: var(--bg-elevated);
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  padding-top: 10px;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
  font-weight: 300;
  max-width: 560px;
}

/* ---- NUMBERS ---- */
.numbers {
  padding: 120px 24px;
  background: var(--bg);
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.number-block {
  text-align: center;
  padding: 40px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.number-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--accent-bright);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.number-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-weight: 400;
}

.numbers-footnote {
  font-size: 0.95rem;
  color: var(--fg-dim);
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  font-weight: 300;
  line-height: 1.7;
}

/* ---- CLOSING ---- */
.closing {
  padding: 140px 24px;
  background: var(--bg-elevated);
  text-align: center;
}

.closing .section-inner {
  max-width: 800px;
}

.closing h2 {
  margin-left: auto;
  margin-right: auto;
  max-width: 700px;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.8;
  font-weight: 300;
  max-width: 620px;
  margin: 0 auto;
}

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

.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-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
}

.footer-note {
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .arbitrage-grid {
    grid-template-columns: 1fr;
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    min-height: 80vh;
    padding: 60px 20px;
  }

  .arbitrage,
  .process,
  .numbers,
  .closing {
    padding: 80px 20px;
  }

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

@media (max-width: 480px) {
  .numbers-grid {
    grid-template-columns: 1fr;
  }

  .step {
    grid-template-columns: 40px 1fr;
    gap: 16px;
  }

  .step-marker {
    width: 40px;
    height: 40px;
    font-size: 0.8rem;
  }

  .step-line {
    left: 19px;
  }
}