:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary: #f8fafc;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --bg-color: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-color);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

.text-gradient {
  background: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navbar */
.navbar {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary) !important;
  letter-spacing: -0.5px;
}

.nav-link {
  font-weight: 500;
  color: var(--text-dark) !important;
  margin: 0 10px;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: var(--primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 100%;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
  border: none;
  border-radius: 12px;
  padding: 12px 28px;
  font-weight: 600;
  box-shadow: 0 8px 16px rgba(37, 99, 235, 0.25);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.35);
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  border-radius: 12px;
  padding: 10px 26px;
  font-weight: 600;
  background: transparent;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* Hero Section */
.hero-section {
  padding: 160px 0 100px;
  background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.05), transparent 40%),
              radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.05), transparent 40%);
  position: relative;
  overflow: hidden;
}

.hero-title {
  font-size: 3.5rem;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* Glass Card */
.glass-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
  height: 100%;
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
}

/* Software Product Cards */
.product-card {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #fff;
  transition: all 0.3s;
  border: 1px solid var(--glass-border);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-img-wrapper {
  background: var(--secondary);
  padding: 40px;
  text-align: center;
  border-bottom: 1px solid rgba(0,0,0,0.02);
}

.product-img-wrapper img {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.product-info {
  padding: 30px;
}

/* Footer */
footer {
  background: var(--secondary);
  padding: 80px 0 40px;
  border-top: 1px solid var(--glass-border);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
}