:root {
  --bg: #0a0e1a;
  --bg-card: #111827;
  --bg-elevated: #1a2236;
  --fg: #e8ecf4;
  --fg-muted: #8b95a8;
  --fg-dim: #5a6478;
  --accent: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --accent-soft: #fbbf24;
  --green: #22c55e;
  --red: #ef4444;
  --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;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  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(42px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-soft));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

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

.hero-stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}

.stat-label {
  display: block;
  font-size: 13px;
  color: var(--fg-dim);
  margin-top: 6px;
  line-height: 1.4;
}

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

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}

/* ── Problem ── */
.problem {
  padding: 100px 24px;
}

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
  text-align: center;
}

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(245, 158, 11, 0.2);
}

.problem-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--fg);
}

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

/* ── Features ── */
.features {
  padding: 100px 24px;
  background: var(--bg-card);
}

.features-inner {
  max-width: 760px;
  margin: 0 auto;
}

.features-intro {
  text-align: center;
  font-size: 22px;
  color: var(--fg-muted);
  margin-bottom: 64px;
  font-style: italic;
}

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

.feature-row {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.feature-row:last-child {
  border-bottom: none;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: rgba(245, 158, 11, 0.15);
  line-height: 1;
  min-width: 70px;
  flex-shrink: 0;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg);
}

.feature-content p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── How / Trades ── */
.how {
  padding: 100px 24px;
}

.how-inner {
  max-width: 900px;
  margin: 0 auto;
}

.trades-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 64px;
}

.trade-tag {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 10px 22px;
  border-radius: 100px;
  transition: all 0.3s;
}

.trade-tag:hover {
  color: var(--accent);
  border-color: rgba(245, 158, 11, 0.3);
}

.how-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comparison-col {
  padding: 36px 28px;
  border-radius: var(--radius);
}

.comparison-old {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.comparison-new {
  background: rgba(34, 197, 94, 0.06);
  border: 1px solid rgba(34, 197, 94, 0.15);
}

.comparison-col h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}

.comparison-old h3 { color: var(--red); }
.comparison-new h3 { color: var(--green); }

.comparison-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comparison-col li {
  font-size: 15px;
  color: var(--fg-muted);
  padding-left: 24px;
  position: relative;
}

.comparison-old li::before {
  content: '\2717';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 600;
}

.comparison-new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 600;
}

/* ── Closing ── */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 100%);
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-soft));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* ── Footer ── */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
}

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

/* ── Responsive ── */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  
  .how-comparison {
    grid-template-columns: 1fr;
  }
  
  .hero-stat-row {
    gap: 24px;
  }
  
  .hero-stat-divider {
    display: none;
  }
  
  .feature-row {
    flex-direction: column;
    gap: 12px;
  }
  
  .feature-number {
    font-size: 36px;
    min-width: auto;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  
  .hero {
    min-height: auto;
    padding: 100px 20px 60px;
  }
  
  .stat-number {
    font-size: 36px;
  }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  
  .hero-sub { font-size: 17px; }
  
  .features-intro { font-size: 18px; }
  
  .problem-card,
  .comparison-col {
    padding: 28px 20px;
  }
}