:root {
  --primary: #0D6EFD;
  --primary-light: #E8F2FF;
  --secondary: #FD7E14;
  --secondary-light: #FFF3CD;
  --background: #F8F9FA;
  --surface: #FFFFFF;
  --text-main: #212529;
  --text-muted: #6C757D;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: var(--background);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.3s;
}

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

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #0a58ca);
  color: white;
  box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 110, 253, 0.4);
}

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

.btn-secondary:hover {
  background-color: #d0e3ff;
}

.hero {
  padding: 8rem 5% 4rem;
  text-align: center;
  background: radial-gradient(circle at top right, var(--primary-light), transparent 50%),
              radial-gradient(circle at bottom left, var(--secondary-light), transparent 50%);
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #1a1a1a, #4a4a4a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  max-width: 800px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 2.5rem;
}

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

.premium-stats {
  margin-top: 4rem;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 1000px;
  width: 100%;
}

.stat-box {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  padding: 1.5rem 2rem;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  box-shadow: 0 10px 30px rgba(13, 110, 253, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: transform 0.3s ease;
  flex: 1 1 250px;
}

.stat-box:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 15px 35px rgba(13, 110, 253, 0.1);
}

.stat-box i {
  font-size: 1.75rem;
  color: var(--primary);
  background: var(--primary-light);
  padding: 1rem;
  border-radius: 14px;
}

.stat-info {
  text-align: left;
}

.stat-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.2rem;
}

.stat-info p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.features {
  padding: 6rem 5%;
  background-color: var(--surface);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 3rem;
  color: var(--text-main);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background-color: var(--background);
  padding: 2.5rem;
  border-radius: 20px;
  transition: all 0.3s ease;
  border: 1px solid rgba(0,0,0,0.05);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  background-color: white;
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.icon-blue { background-color: var(--primary-light); color: var(--primary); }
.icon-orange { background-color: var(--secondary-light); color: var(--secondary); }
.icon-purple { background-color: #F3E8FF; color: #9333EA; }

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-muted);
}

footer {
  background-color: #1a1a1a;
  color: white;
  padding: 4rem 5% 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .nav-links { display: none; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .btn { width: 100%; box-sizing: border-box; text-align: center; }
  .navbar { padding: 1rem 5%; }
  .hero { padding-top: 6rem; padding-bottom: 2rem; }
  .premium-stats { gap: 1rem; flex-direction: column; align-items: stretch; }
  .stat-box { flex: 1 1 100%; }
  .features { padding: 4rem 5%; }
  .section-title { font-size: 2rem; margin-bottom: 2rem; }
}