@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Core brand palette */
  --color-primary-500: #9C8160;
  --color-primary-600: #8a7052;
  --color-primary-700: #786045;
  --color-primary-50: #f5f1ed;
  --color-primary-100: #ede5df;

  /* Status helpers */
  --color-success-500: #10b981;
  --color-success-600: #059669;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-error-500: #ef4444;
  --color-error-600: #dc2626;
  --color-info-500: #6b7280;
  --color-info-600: #4b5563;

  /* Background system */
  --color-bg-app: #f7f7f7;
  --color-bg-card: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-overlay: rgba(0, 0, 0, 0.5);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --text-inverse: #ffffff;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --border-radius-card: 1.25rem;
  --border-radius-pill: 999px;
  --page-max-width: 1200px;
  --duration-slow: 300ms;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-primary);
  background-color: var(--color-bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 1rem;
  letter-spacing: 0.01em;
  min-height: 100vh;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 180px;
  height: 60px;
  background-image: url('/ledger_logo.png');
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.logo-caption {
  font-size: 0.875rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-wrapper {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.hero-section {
  background: var(--color-bg-card);
  border-radius: var(--border-radius-card);
  padding: var(--space-10) var(--space-4) var(--space-12) var(--space-4);
  margin: var(--space-8) auto var(--space-6);
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
  text-align: center;
}

.hero-section h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.hero-section p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.hero-callout-button {
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
  border-radius: var(--border-radius-pill);
  border: none;
  cursor: pointer;
  transition: background var(--duration-slow), transform var(--duration-slow);
  font-weight: 600;
}

.hero-callout-button.primary {
  background-color: var(--color-primary-500);
  color: var(--text-inverse);
  box-shadow: 0 10px 20px rgba(156, 129, 96, 0.35);
}

.hero-callout-button.primary:hover {
  background-color: var(--color-primary-600);
  transform: translateY(-2px);
}

.hero-callout-button.secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--color-info-500);
}

.feature-section {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.feature-card {
  background: var(--color-bg-card);
  border-radius: var(--border-radius-card);
  padding: var(--space-5);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.feature-card h3 {
  font-size: 1.35rem;
  margin-bottom: var(--space-2);
}

.feature-card p {
  color: var(--text-secondary);
  margin: 0;
}

.feature-grid {
  display: grid;
  gap: var(--space-6);
}

.feature-grid.two-column {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.section-divider {
  width: 60px;
  height: 4px;
  border-radius: 999px;
  background: var(--color-primary-500);
  margin: var(--space-4) auto;
}

.pricing-section,
.cta-section {
  padding: var(--space-10) var(--space-4);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-card);
  margin-bottom: var(--space-8);
}

.pricing-plan {
  background: var(--color-bg-card);
  padding: var(--space-4);
  border-radius: var(--border-radius-card);
  border: 1px solid rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pricing-plan h4 {
  margin: 0;
  font-size: 1.25rem;
}

.pricing-plan .price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary-500);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius-pill);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  font-weight: 600;
}

.footer-callout {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  background: var(--color-primary-100);
  border-radius: var(--border-radius-card);
  margin-bottom: var(--space-8);
}

.footer-callout h5 {
  margin: 0 0 var(--space-2);
  font-size: 1.5rem;
}

.footer-callout a {
  color: var(--text-primary);
  font-weight: 600;
}

.faq-grid {
  display: grid;
  gap: var(--space-4);
}

.faq-card {
  background: var(--color-bg-card);
  border-radius: var(--border-radius-card);
  padding: var(--space-4);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.faq-card h6 {
  margin: 0 0 var(--space-2);
  font-size: 1rem;
}

.faq-card p {
  margin: 0;
  color: var(--text-secondary);
}

.split-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .hero-actions {
    flex-wrap: nowrap;
  }

  .split-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .hero-section {
    padding: var(--space-12) var(--space-8);
  }

  .price-tag {
    font-size: 2.5rem;
  }

  .feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }
}