:root {
    /* PRIMARY COLORS - Main brand colors */
    --bs-primary: #8b5cf6;           /* Rich violet - Main brand */
    --bs-primary-rgb: 139, 92, 246;
    
    /* SECONDARY COLORS - Supporting brand */
    --bs-secondary: #ec4899;         /* Vibrant pink - Secondary brand */
    --bs-secondary-rgb: 236, 72, 153;
    
    /* ACCENT COLORS - Design variety */
    --bs-accent1: #ff6b35;           /* Orange - Call-to-action */
    --bs-accent1-rgb: 255, 107, 53;
    
    --bs-accent2: #a78bfa;           /* Light violet - Highlights */
    --bs-accent2-rgb: 167, 139, 250;
    
    --bs-accent3: #f472b6;           /* Light pink - Soft accents */
    --bs-accent3-rgb: 244, 114, 182;
    
    /* DARK THEME BASE */
    --bs-dark: #0a0a0f;              /* Very dark purple-black */
    --bs-dark-rgb: 10, 10, 15;
    
    --bs-body-color: #f8f9fa;
    
    /* STATUS COLORS */
    --bs-success: #28a745;
    --bs-info: #17a2b8;
    --bs-warning: #ffc107;
    --bs-danger: #dc3545;
    --bs-light: #f8f9fa;
    
    /* GLASSMORPHISM */
    --glass-bg: rgba(139, 92, 246, 0.08);
    --glass-border: rgba(139, 92, 246, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(139, 92, 246, 0.15);
    --glass-hover: rgba(139, 92, 246, 0.12);
}

/* Typography */
body {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--bs-light);
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 30%, #2d1b69 60%, #16213e 100%);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--bs-light);
}

.display-1, .display-2, .display-3, .display-4 {
    font-weight: 800;
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-secondary) 50%, var(--bs-accent1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.glass-nav {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: var(--bs-light) !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--bs-primary) !important;
    transform: translateY(-1px);
    text-shadow: 0 0 8px rgba(139, 92, 246, 0.5);
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    background: var(--glass-hover);
    transform: translateY(-8px);
    box-shadow: 0 16px 48px 0 rgba(139, 92, 246, 0.25);
    border-color: rgba(139, 92, 246, 0.4);
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.2);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-secondary) 50%, var(--bs-accent1) 100%);
    border: none;
    border-radius: 12px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--bs-secondary), var(--bs-accent3));
    border: none;
    border-radius: 12px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(236, 72, 153, 0.4);
}

/* Text Colors */
.text-primary { color: var(--bs-primary) !important; }
.text-secondary { color: var(--bs-secondary) !important; }
.text-accent1 { color: var(--bs-accent1) !important; }
.text-accent2 { color: var(--bs-accent2) !important; }
.text-accent3 { color: var(--bs-accent3) !important; }

/* Feature Icons */
.feature-icon {
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.4));
}

/* Hero Section */
.hero-section {
    padding-top: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

/* Features Section */
.features-section {
    background: rgba(26, 26, 46, 0.3);
    backdrop-filter: blur(10px);
}

/* Footer */
footer {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .glass-card {
        border-radius: 16px;
        padding: 1.5rem;
    }
    
    .display-1 {
        font-size: 3rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .hero-section {
        padding-top: 80px;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
}

@media (min-width: 1200px) {
    .glass-card {
        border-radius: 24px;
        padding: 3rem;
    }
    
    .feature-card {
        padding: 2.5rem;
    }
}

/* Smooth transitions */
* {
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.glass-card, .feature-card, .btn {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}