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

:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --border: #1e1e2e;
  --text: #e0e0e8;
  --text-muted: #7a7a8e;
  --accent: #4ade80;
  --red: #f87171;
  --yellow: #fbbf24;
  --blue: #60a5fa;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Hero */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-top: 4px;
}

.tagline {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.cta {
  display: inline-block;
  padding: 12px 32px;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, color 0.2s;
}

.cta:hover {
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
}

/* How it works */
.how-it-works {
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}

.how-it-works h2 {
  text-align: center;
  font-size: 1.4rem;
  margin-bottom: 36px;
}

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

.method-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}

.method-card h3 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.method-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Performance */
.performance {
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}

.performance h2 {
  text-align: center;
  font-size: 1.4rem;
  margin-bottom: 36px;
}

.track-breakdown {
  margin-top: 32px;
}

.track-breakdown table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.track-breakdown th,
.track-breakdown td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.track-breakdown th {
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

/* Tip Log */
.tip-log {
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}

.tip-log h2 {
  text-align: center;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.log-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 28px;
}

.table-wrap {
  overflow-x: auto;
}

#tip-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

#tip-table th {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

#tip-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

#tip-table tbody tr:hover {
  background: var(--surface);
}

.loading {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 0 !important;
}

.result-win {
  color: var(--accent);
  font-weight: 600;
}

.result-loss {
  color: var(--red);
}

.result-pending {
  color: var(--text-muted);
  font-style: italic;
}

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

.pl-negative {
  color: var(--red);
}

/* Signup */
.signup {
  padding: 60px 0;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.signup h2 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.signup p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

#signup-form {
  display: flex;
  gap: 8px;
  justify-content: center;
  max-width: 400px;
  margin: 0 auto;
}

#signup-form input {
  flex: 1;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
}

#signup-form input::placeholder {
  color: var(--text-muted);
}

#signup-form button {
  padding: 12px 24px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

#signup-form button:hover {
  opacity: 0.9;
}

/* Footer */
footer {
  padding: 40px 0;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: var(--accent);
}

.disclaimer {
  color: var(--text-muted);
  font-size: 0.75rem;
  max-width: 500px;
  margin: 0 auto 8px;
  line-height: 1.4;
}

.copyright {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 640px) {
  .hero {
    padding: 48px 0 40px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .stats-row {
    gap: 20px;
  }

  .stat-value {
    font-size: 1.5rem;
  }

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

  #signup-form {
    flex-direction: column;
  }

  .footer-links {
    flex-direction: column;
    gap: 12px;
  }
}