:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --dark-bg: #0f0f23;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b0b0d0;
    --glow-color: rgba(102, 126, 234, 0.5);
}

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

body {
    background: var(--dark-bg);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    background-image: 
        radial-gradient(at 20% 30%, rgba(102, 126, 234, 0.1) 0px, transparent 50%),
        radial-gradient(at 80% 70%, rgba(118, 75, 162, 0.1) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(79, 172, 254, 0.05) 0px, transparent 50%);
}

.navbar {
    background: rgba(15, 15, 35, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 0;
}

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

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary) !important;
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

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

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px 0 rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(102, 126, 234, 0.6);
}

.btn-outline-primary {
    border: 2px solid;
    border-image: var(--primary-gradient) 1;
    color: var(--text-primary);
    background: transparent;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-gradient);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--success-gradient);
    border: none;
}

.btn-warning {
    background: var(--secondary-gradient);
    border: none;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

.card-header {
    background: rgba(102, 126, 234, 0.1);
    border-bottom: 1px solid var(--card-border);
    border-radius: 20px 20px 0 0 !important;
    font-weight: 600;
}

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

.hero-section {
    padding: 8rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section h1 {
    font-size: 4rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.hero-section .lead {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s;
    animation-fill-mode: backwards;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.stat-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.stat-card.primary::before {
    background: var(--primary-gradient);
}

.stat-card.success::before {
    background: var(--success-gradient);
}

.stat-card.info::before {
    background: var(--accent-gradient);
}

.stat-card h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 30px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--primary-gradient);
    border-radius: 30px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pricing-card:hover::before {
    opacity: 1;
}

.pricing-card:hover {
    transform: scale(1.05);
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.pricing-card .price {
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 1.5rem 0;
}

.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    color: var(--text-primary);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

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

.table thead {
    border-bottom: 2px solid var(--card-border);
}

.table td, .table th {
    border-color: var(--card-border);
    padding: 1rem;
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

.badge.bg-success {
    background: var(--success-gradient) !important;
}

.badge.bg-primary {
    background: var(--primary-gradient) !important;
}

.alert {
    border-radius: 15px;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
}

.alert-success {
    background: rgba(67, 233, 123, 0.1);
    border-color: rgba(67, 233, 123, 0.3);
    color: #43e97b;
}

.alert-info {
    background: rgba(79, 172, 254, 0.1);
    border-color: rgba(79, 172, 254, 0.3);
    color: #4facfe;
}

.alert-warning {
    background: rgba(245, 87, 108, 0.1);
    border-color: rgba(245, 87, 108, 0.3);
    color: #f5576c;
}

footer {
    background: rgba(15, 15, 35, 0.95);
    border-top: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    margin-top: 5rem;
}

.input-group-text {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
}

pre {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 1.5rem;
    color: #4facfe;
}

code {
    color: #43e97b;
}

.glow-text {
    text-shadow: 0 0 20px var(--glow-color);
}

.gradient-border {
    position: relative;
    border-radius: 20px;
    padding: 2px;
    background: var(--primary-gradient);
}

.gradient-border-inner {
    background: var(--dark-bg);
    border-radius: 18px;
    padding: 2rem;
}

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .lead {
        font-size: 1.2rem;
    }
    
    .stat-card h3 {
        font-size: 2rem;
    }
}