/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --background: #ffffff;
  --foreground: #475569;
  --card: #f8fafc;
  --card-foreground: #475569;
  --primary: #059669;
  --primary-foreground: #ffffff;
  --secondary: #10b981;
  --muted: #f1f5f9;
  --muted-foreground: #64748b;
  --border: #e2e8f0;
  --radius: 0.5rem;
}

body {
  font-family: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--foreground);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header Styles */
.header {
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--foreground);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--primary);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
}

.nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }
}

.nav-link {
  color: var(--foreground);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--primary);
}

.header-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.btn-primary:hover {
  background-color: #047857;
}

.btn-outline {
  background-color: transparent;
  color: var(--foreground);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background-color: var(--muted);
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

/* Hero Section */
.hero {
  padding: 4rem 0;
}

.hero-content {
  text-align: center;
  max-width: 64rem;
  margin: 0 auto;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.75rem;
  }
}

.text-primary {
  color: var(--primary);
}

.hero-description {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }
}

/* Section Styles */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-description {
  color: var(--muted-foreground);
  max-width: 32rem;
  margin: 0 auto;
}

/* Features Section */
.features {
  padding: 4rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Card Styles */
.card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card-header {
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-description {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.card-content {
  margin-top: 1rem;
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Market Overview */
.market-overview {
  background-color: var(--muted);
  padding: 4rem 0;
}

.market-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .market-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.market-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.trend-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary);
}

.market-price {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.market-change {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.market-change.positive {
  color: var(--primary);
}

.market-disclaimer {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* Educational Content */
.educational-content {
  padding: 4rem 0;
}

.education-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .education-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .education-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Trust Indicators */
.trust-indicators {
  background-color: var(--muted);
  padding: 4rem 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

.trust-icon {
  width: 3rem;
  height: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.trust-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.trust-description {
  color: var(--muted-foreground);
}

/* Footer */
.footer {
  background-color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 3rem 0;
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-brand .logo-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.footer-description {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.footer-title {
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
}

.copyright {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.disclaimer {
  color: var(--muted-foreground);
  font-size: 0.75rem;
}