/* PaymentHub - Modern Dark Theme CSS */

:root {
    /* Dark Color Palette */
    --bg-dark: #0a0a0b;
    --bg-dark-secondary: #121214;
    --bg-dark-tertiary: #1a1a1d;
    --bg-card: #1e1e21;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #00d4ff 0%, #00a67e 100%);
    --gradient-warning: linear-gradient(135deg, #f7b733 0%, #fc4a1a 100%);
    --gradient-info: linear-gradient(135deg, #00c9ff 0%, #92fe9d 100%);
    --gradient-danger: linear-gradient(135deg, #fc466b 0%, #3f5efb 100%);
    --gradient-purple: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
    --gradient-cta: linear-gradient(135deg, #667eea 0%, #00d4ff 50%, #764ba2 100%);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    background: rgba(10, 10, 11, 0.8) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(10, 10, 11, 0.95) !important;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff !important;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.7) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: #fff !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero-section {
    background: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.5), transparent);
}

/* Gradient Text */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-gradient {
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    color: white;
}

.btn-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-gradient:hover::before {
    left: 100%;
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: transparent;
    color: white;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    color: white;
}

/* Glass Card Effect */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    box-shadow: 
        0 8px 32px 0 rgba(31, 38, 135, 0.2),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

/* Avatar */
.avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Floating Badge */
.floating-badge {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Dark Sections */
.bg-dark-secondary {
    background-color: var(--bg-dark-secondary);
}

/* Benefit Cards */
.benefit-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    transition: all 0.3s ease;
    height: 100%;
}

.benefit-card:hover {
    transform: translateY(-5px);
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Icon Boxes */
.icon-box {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: var(--gradient-primary);
    color: white;
}

.icon-box-small {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    flex-shrink: 0;
}

.bg-purple {
    background: var(--gradient-purple);
}

/* Feature Items */
.feature-item {
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.feature-item .icon-box {
    transition: all 0.3s ease;
}

.feature-item:hover .icon-box {
    transform: scale(1.1) rotate(5deg);
}

/* Table Styling */
.table-dark {
    --bs-table-bg: var(--bg-card);
    border-color: rgba(255, 255, 255, 0.1);
}

.table-dark td,
.table-dark th {
    border-color: rgba(255, 255, 255, 0.05);
    padding: 1rem;
}

.table-hover tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.1) !important;
}

/* Alerts */
.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

/* Badges */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
}

.bg-success {
    background: linear-gradient(135deg, #00d4ff 0%, #00a67e 100%) !important;
}

/* CTA Section */
.bg-gradient-cta {
    background: var(--gradient-cta);
    background-size: 200% 200%;
    animation: gradient-shift 5s ease infinite;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Footer */
footer {
    background: var(--bg-dark-secondary);
}

.hover-white {
    transition: all 0.3s ease;
}

.hover-white:hover {
    color: #fff !important;
    opacity: 1 !important;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 60px;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .benefit-card {
        margin-bottom: 1rem;
    }
    
    .floating-badge {
        display: none;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.5);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.8);
}

/* Utility Classes */
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.min-vh-100 { min-height: 100vh; }
.border-secondary { border-color: rgba(255, 255, 255, 0.1) !important; }

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Card Hover Effects */
.card {
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

/* Icon Animations */
.bi {
    transition: all 0.3s ease;
}

.btn:hover .bi {
    transform: scale(1.2);
}

/* Pulse Animation for CTA */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7); }
    70% { box-shadow: 0 0 0 20px rgba(102, 126, 234, 0); }
    100% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0); }
}