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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "SF Pro Text", "Helvetica Neue", sans-serif;
  background: #fbfbfd;
  color: #1d1d1f;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

nav {
  padding: 1.25rem 2rem;
  background: rgba(251, 251, 253, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1024px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 100px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  color: #1d1d1f;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 400;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.nav-links a:hover {
  opacity: 1;
}

main {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 5rem 2rem 6rem;
}

.hero-title {
  font-size: 4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1d1d1f;
  letter-spacing: -0.015em;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.75rem;
  color: #1d1d1f;
  margin-bottom: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.hero-description {
  font-size: 1.25rem;
  color: #86868b;
  max-width: 720px;
  margin: 0 auto 2.5rem;
  line-height: 1.5;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 980px;
  text-decoration: none;
  font-weight: 400;
  font-size: 1.0625rem;
  transition: all 0.2s ease;
  display: inline-block;
}

.btn-primary {
  background: #0071e3;
  color: #ffffff;
}

.btn-primary:hover {
  background: #0077ed;
}

.btn-secondary {
  background: transparent;
  color: #0071e3;
  border: 2px solid #0071e3;
}

.btn-secondary:hover {
  background: #0071e3;
  color: #ffffff;
}

/* Section Styling */
section {
  margin-bottom: 7rem;
  padding: 0 2rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 600;
  margin-bottom: 3.5rem;
  text-align: center;
  color: #1d1d1f;
  letter-spacing: -0.015em;
}

/* Metrics Section */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.metric-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 2.5rem 2rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.metric-card:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.metric-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.metric-icon {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
}

.metric-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: #1d1d1f;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.metric-card p {
  color: #86868b;
  line-height: 1.5;
  font-size: 1.0625rem;
  font-weight: 400;
}

/* Insights Section */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.insight-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 2.5rem 2rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.insight-card:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.insight-date {
  color: #0071e3;
  font-size: 0.875rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.insight-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: #1d1d1f;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.insight-card p {
  color: #86868b;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  font-size: 1.0625rem;
}

.insight-link {
  color: #0071e3;
  text-decoration: none;
  font-weight: 400;
  transition: color 0.2s;
  font-size: 1.0625rem;
}

.insight-link:hover {
  text-decoration: underline;
}

/* About Section */
.about {
  text-align: center;
}

.about-content {
  max-width: 720px;
  margin: 0 auto;
}

.about-content p {
  color: #86868b;
  line-height: 1.6;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

/* Footer */
.footer {
  background: #f5f5f7;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding: 2.5rem 2rem;
  margin-top: 6rem;
}

.footer-container {
  max-width: 1024px;
  margin: 0 auto;
  text-align: center;
  color: #86868b;
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    padding: 3rem 1.5rem 4rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.375rem;
  }

  .hero-description {
    font-size: 1.0625rem;
  }

  .section-title {
    font-size: 2rem;
  }

  section {
    padding: 0 1.5rem;
    margin-bottom: 5rem;
  }

  .metrics-grid,
  .insights-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 1.5rem;
  }

  .nav-links a {
    font-size: 0.8125rem;
  }
}