:root {
    /* Light Theme Color Scheme */
    --primary: 210 100% 45%; /* #0066CC */
    --primary-dark: 210 100% 35%; /* #0052A3 */
    --accent: 25 95% 53%; /* #FF6B35 */
    --accent-light: 25 95% 63%; /* #FF8A5C */
    --success: 142 76% 36%; /* #22C55E */
    --warning: 45 93% 47%; /* #EAB308 */
    --danger: 0 84% 60%; /* #EF4444 */
    --light: 210 20% 98%; /* #F8FAFC */
    --dark: 220 13% 18%; /* #1E293B */
    --gray-100: 210 20% 98%; /* #F1F5F9 */
    --gray-200: 214 32% 91%; /* #E2E8F0 */
    --gray-300: 213 27% 84%; /* #CBD5E1 */
    --gray-400: 215 20% 65%; /* #94A3B8 */
    --gray-500: 215 16% 47%; /* #64748B */
    --gray-600: 215 19% 35%; /* #475569 */
    --gray-700: 215 25% 27%; /* #334155 */
    --gray-800: 217 33% 17%; /* #1E293B */
    --gray-900: 222 84% 5%; /* #0F172A */
    
    /* App Colors */
    --bg-primary: hsl(var(--light));
    --bg-secondary: #ffffff;
    --text-primary: hsl(var(--gray-900));
    --text-secondary: hsl(var(--gray-600));
    --border-color: hsl(var(--gray-200));
    --navbar-bg: hsl(var(--primary));
    --card-bg: #ffffff;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
.dark-theme {
    --bg-primary: hsl(var(--gray-900));
    --bg-secondary: hsl(var(--gray-800));
    --text-primary: hsl(var(--gray-100));
    --text-secondary: hsl(var(--gray-400));
    --border-color: hsl(var(--gray-700));
    --navbar-bg: hsl(var(--gray-800));
    --card-bg: hsl(var(--gray-800));
    
    /* Override specific elements for dark mode */
    --light: 220 13% 18%;
    --gray-100: 217 33% 17%;
    --gray-200: 215 25% 27%;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: var(--transition);
}

/* Dark Mode Styles */
.dark-theme {
    color-scheme: dark;
}

.dark-theme .navbar {
    background-color: var(--navbar-bg) !important;
    border-bottom: 1px solid var(--border-color);
}

.dark-theme .card,
.dark-theme .bg-white {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.dark-theme .bg-light {
    background-color: var(--bg-secondary) !important;
}

.dark-theme .text-muted {
    color: var(--text-secondary) !important;
}

.dark-theme .border {
    border-color: var(--border-color) !important;
}

.dark-theme .form-control,
.dark-theme .form-select {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.dark-theme .form-control:focus,
.dark-theme .form-select:focus {
    background-color: var(--bg-secondary);
    border-color: hsl(var(--primary));
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem hsla(var(--primary), 0.25);
}

.dark-theme .dropdown-menu {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

.dark-theme .dropdown-item {
    color: var(--text-primary);
}

.dark-theme .dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.dark-theme .price-ticker {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color);
}

.dark-theme .alert {
    border-color: var(--border-color);
}

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

.dark-theme .table td,
.dark-theme .table th {
    border-color: var(--border-color);
}

.dark-theme .modal-content {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.dark-theme .modal-header {
    border-bottom-color: var(--border-color);
}

.dark-theme .modal-footer {
    border-top-color: var(--border-color);
}

/* Modern App-like Components */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-bg-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-bg-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-bg-4 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

/* Enhanced Buttons */
.btn-modern {
    padding: 0.75rem 2rem;
    border-radius: var(--radius-xl);
    font-weight: 600;
    text-transform: none;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-modern::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;
}

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

.btn-primary-modern {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
    color: white;
}

.btn-success-modern {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(67, 233, 123, 0.4);
}

.btn-success-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(67, 233, 123, 0.6);
    color: white;
}

.btn-warning-modern {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(250, 112, 154, 0.4);
}

.btn-warning-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(250, 112, 154, 0.6);
    color: white;
}

/* Enhanced Cards */
.modern-card {
    background: var(--card-bg);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #43e97b);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.modern-card:hover::before {
    transform: scaleX(1);
}

.modern-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(102, 126, 234, 0.3);
}

.card-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    position: relative;
    overflow: hidden;
}

.card-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    opacity: 0.1;
    border-radius: 50%;
}

/* Enhanced Navigation */
.navbar-modern {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.dark-theme .navbar-modern {
    background: rgba(30, 41, 59, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

.brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
}

.brand-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar-brand:hover .brand-icon {
    transform: rotate(360deg) scale(1.1);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

.navbar-toggler {
    padding: 0.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.nav-link {
    font-weight: 500;
    transition: var(--transition);
    border-radius: var(--radius);
    margin: 0 0.25rem;
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 80%;
}

/* Enhanced Forms */
.form-modern {
    background: var(--card-bg);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.form-control-modern {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 0.75rem 1.25rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.form-control-modern:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.form-label-modern {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Enhanced Tables */
.table-modern {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.table-modern thead th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    border: none;
    padding: 1rem;
}

.table-modern tbody tr {
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.table-modern tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
    transform: scale(1.01);
}

.table-modern td {
    padding: 1rem;
    vertical-align: middle;
    border: none;
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Enhanced Statistics */
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

/* Bootstrap Overrides */
.bg-primary {
    background-color: hsl(var(--primary)) !important;
}

.btn-primary {
    background-color: hsl(var(--primary));
    border-color: hsl(var(--primary));
}

.btn-primary:hover {
    background-color: hsl(var(--primary-dark));
    border-color: hsl(var(--primary-dark));
}

.btn-accent {
    background-color: hsl(var(--accent));
    border-color: hsl(var(--accent));
    color: white;
}

.btn-accent:hover {
    background-color: hsl(var(--accent-light));
    border-color: hsl(var(--accent-light));
    color: white;
}

.text-primary {
    color: hsl(var(--primary)) !important;
}

.text-accent {
    color: hsl(var(--accent)) !important;
}

/* Modern Hero Styles */
.hero-modern {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.shape-1 {
    position: absolute;
    top: 10%;
    right: 10%;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 3s ease-in-out infinite;
}

.shape-2 {
    position: absolute;
    bottom: 20%;
    left: 10%;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    animation: float 4s ease-in-out infinite reverse;
}

.shape-3 {
    position: absolute;
    top: 50%;
    right: 5%;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.08);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    animation: float 5s ease-in-out infinite;
}

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

.hero-badge {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-content h1 {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-content p {
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

.hero-actions {
    animation: fadeInUp 0.8s ease-out 1s both;
}

.hero-dashboard {
    animation: fadeInRight 0.8s ease-out 0.6s both;
}

.dashboard-card {
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-card-mini {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: 1.5rem 1rem;
    transition: var(--transition);
}

.stat-card-mini:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.stat-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.mini-chart {
    height: 100px;
    background: linear-gradient(45deg, 
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0.1) 100%);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}

.mini-chart::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    opacity: 0.3;
    clip-path: polygon(
        0% 100%, 
        10% 80%, 
        20% 60%, 
        30% 70%, 
        40% 50%, 
        50% 40%, 
        60% 45%, 
        70% 30%, 
        80% 25%, 
        90% 20%, 
        100% 15%, 
        100% 100%
    );
}

/* Service Cards Modern */
.service-card-modern {
    text-align: center;
    transition: var(--transition);
    background: var(--card-bg);
}

.service-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.features-list .feature-item {
    text-align: left;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-modern {
        min-height: 80vh;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .hero-features {
        margin-bottom: 2rem !important;
    }
    
    .hero-actions {
        text-align: center;
    }
    
    .hero-actions .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .hero-dashboard {
        margin-top: 3rem;
    }
    
    .shape-1, .shape-2, .shape-3 {
        display: none;
    }
}

/* Tools Preview Cards */
.tools-preview {
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tool-preview-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 1rem;
    text-align: center;
    transition: var(--transition);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tool-preview-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.tool-preview-card i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.tool-preview-card span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Enhanced Tool Cards */
.tool-card {
    background: var(--card-bg);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4facfe, #00f2fe, #43e97b, #38f9d7);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(79, 172, 254, 0.3);
}

.tool-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    position: relative;
    overflow: hidden;
}

.tool-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.8s;
}

.tool-card:hover .tool-icon::before {
    left: 100%;
}

/* Enhanced Modals */
.modal-content {
    border-radius: var(--radius-2xl);
    border: none;
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    border: none;
    padding: 1.5rem 2rem;
}

.modal-header .btn-close {
    filter: invert(1);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border: none;
    padding: 1.5rem 2rem;
    background: var(--bg-secondary);
}

.result-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-top: 1.5rem;
}

.dark-theme .result-card {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-700) 100%);
    color: var(--text-primary);
}

/* Enhanced Features Section */
.feature-item {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(79, 172, 254, 0.3);
}

.feature-item i {
    margin-bottom: 1rem;
}

/* Pricing Cards */
.pricing-card {
    background: var(--card-bg);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border-color: #4facfe;
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: 'PHỔ BIẾN';
    position: absolute;
    top: 1rem;
    right: -2rem;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    padding: 0.5rem 3rem;
    font-size: 0.8rem;
    font-weight: bold;
    transform: rotate(45deg);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Progress Bars */
.progress-modern {
    height: 8px;
    border-radius: 10px;
    background: var(--bg-secondary);
    overflow: hidden;
}

.progress-bar-modern {
    background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    border-radius: 10px;
    transition: width 1s ease;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(79, 172, 254, 0.3);
    border-radius: 50%;
    border-top-color: #4facfe;
    animation: spin 1s ease-in-out infinite;
}

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

/* Notification Styles */
.notification-modern {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    color: var(--text-primary);
}

.dark-theme .notification-modern {
    background: rgba(30, 41, 59, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Search and Filter */
.search-modern {
    background: var(--card-bg);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
}

.search-modern:focus {
    border-color: #4facfe;
    box-shadow: 0 0 0 3px rgba(79, 172, 254, 0.1);
    outline: none;
}

/* Header Styles */
.navbar-brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: hsl(var(--accent)) !important;
}

/* Price Ticker */
.price-ticker {
    overflow: hidden;
    white-space: nowrap;
    background: linear-gradient(90deg, hsl(var(--gray-100)), hsl(var(--gray-200)), hsl(var(--gray-100)));
}

.ticker-wrapper {
    position: relative;
    width: 100%;
}

.ticker-content {
    display: inline-block;
    animation: scroll-left 60s linear infinite;
    font-size: var(--font-size-sm);
}

.ticker-item {
    margin-right: var(--spacing-8);
    display: inline-block;
}

.price-change {
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-left: var(--spacing-2);
}

@keyframes scroll-left {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Hero Section */
.hero-section {
    min-height: 90vh;
    background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--primary-dark)) 100%);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.3) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-actions .btn {
    padding: var(--spacing-3) var(--spacing-6);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.hero-stats {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-effect {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
}

/* Service Cards */
.service-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border: 1px solid hsl(var(--gray-200));
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--accent)));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
    color: white;
    font-size: var(--font-size-3xl);
}

.service-card h5 {
    font-weight: 700;
    color: hsl(var(--dark));
    margin-bottom: var(--spacing-4);
}

/* Process Steps */
.process-step {
    padding: var(--spacing-6);
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--accent)));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 auto var(--spacing-4);
}

/* Feature Items */
.feature-item {
    text-align: center;
    padding: var(--spacing-4);
}

.feature-item i {
    margin-bottom: var(--spacing-3);
}

/* Forms */
.quotation-form {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-8);
}

.form-section {
    border-bottom: 1px solid hsl(var(--gray-200));
    padding-bottom: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.form-section h4 {
    color: hsl(var(--dark));
    font-weight: 700;
    margin-bottom: var(--spacing-6);
}

.form-control {
    border: 2px solid hsl(var(--gray-300));
    border-radius: var(--radius);
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: hsl(var(--primary));
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.form-label {
    font-weight: 600;
    color: hsl(var(--gray-700));
    margin-bottom: var(--spacing-2);
}

/* Tables */
.table {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th {
    background: hsl(var(--gray-100));
    font-weight: 600;
    color: hsl(var(--gray-700));
    border: none;
    padding: var(--spacing-4);
}

.table td {
    padding: var(--spacing-4);
    border-color: hsl(var(--gray-200));
    vertical-align: middle;
}

/* Discount Game */
.discount-game {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    margin: var(--spacing-8) 0;
}

.dice-container {
    perspective: 1000px;
    margin: var(--spacing-6) auto;
}

.dice {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, hsl(var(--danger)), #ee5a52);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(238, 90, 82, 0.3);
    margin: 0 var(--spacing-3);
}

.dice:hover {
    transform: rotateX(15deg) rotateY(15deg) scale(1.05);
}

.dice.rolling {
    animation: rollDice 2s ease-in-out;
}

@keyframes rollDice {
    0%, 100% { transform: rotateX(0) rotateY(0); }
    25% { transform: rotateX(90deg) rotateY(0); }
    50% { transform: rotateX(180deg) rotateY(90deg); }
    75% { transform: rotateX(270deg) rotateY(180deg); }
}

.discount-result {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    margin-top: var(--spacing-4);
}

.total-section {
    background: hsl(var(--gray-100));
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin-top: var(--spacing-8);
}

/* Chatbot */
.chatbot-container {
    position: fixed;
    bottom: 100px;
    right: 20px;
    width: 350px;
    max-height: 500px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 1050;
    transform: translateY(100%) scale(0.8);
    opacity: 0;
    transition: all 0.3s ease;
    overflow: hidden;
}

.chatbot-container.active {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.chatbot-header {
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--accent)));
    color: white;
    padding: var(--spacing-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chatbot-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-messages {
    height: 300px;
    overflow-y: auto;
    padding: var(--spacing-4);
    background: hsl(var(--gray-50));
}

.message {
    margin-bottom: var(--spacing-4);
    max-width: 80%;
}

.message-content {
    background: white;
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-1);
}

.bot-message {
    align-self: flex-start;
}

.bot-message .message-content {
    background: hsl(var(--primary));
    color: white;
}

.user-message {
    align-self: flex-end;
    margin-left: auto;
}

.user-message .message-content {
    background: hsl(var(--gray-200));
}

.message-time {
    font-size: var(--font-size-xs);
    color: hsl(var(--gray-500));
    text-align: right;
}

.chatbot-input {
    padding: var(--spacing-4);
    background: white;
    border-top: 1px solid hsl(var(--gray-200));
}

.chatbot-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--accent)));
    color: white;
    border: none;
    border-radius: 50%;
    font-size: var(--font-size-xl);
    box-shadow: var(--shadow-lg);
    z-index: 1040;
    transition: all 0.3s ease;
}

.chatbot-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: hsl(var(--danger));
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: var(--font-size-xs);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Tools */
.tool-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border: 1px solid hsl(var(--gray-200));
    height: 100%;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.tool-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--accent)));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
    color: white;
    font-size: var(--font-size-2xl);
}

.calculator-section {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-8);
}

.result-card {
    background: hsl(var(--gray-100));
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin-top: var(--spacing-6);
}

/* News Cards */
.news-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    height: 100%;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.news-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, hsl(var(--gray-300)), hsl(var(--gray-400)));
    display: flex;
    align-items: center;
    justify-content: center;
    color: hsl(var(--gray-600));
    font-size: var(--font-size-3xl);
}

.news-content {
    padding: var(--spacing-6);
}

.news-meta {
    font-size: var(--font-size-sm);
    color: hsl(var(--gray-500));
    margin-bottom: var(--spacing-3);
}

.news-title {
    font-weight: 700;
    color: hsl(var(--dark));
    margin-bottom: var(--spacing-3);
    line-height: 1.4;
}

.news-excerpt {
    color: hsl(var(--gray-600));
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        min-height: 70vh;
        text-align: center;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .chatbot-container {
        width: calc(100vw - 40px);
        right: 20px;
        left: 20px;
    }
    
    .service-card,
    .quotation-form,
    .calculator-section {
        padding: var(--spacing-6);
    }
    
    .dice {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-2xl);
    }
    
    .ticker-content {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: var(--spacing-8) 0;
    }
    
    .hero-stats {
        margin-top: var(--spacing-8);
    }
    
    .service-card,
    .quotation-form,
    .calculator-section {
        padding: var(--spacing-4);
    }
    
    .process-step {
        padding: var(--spacing-4);
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
}

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

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

/* Loading States */
.loading {
    position: relative;
    color: transparent !important;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid hsl(var(--gray-300));
    border-top-color: hsl(var(--primary));
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Utilities */
.text-light-50 {
    color: rgba(255, 255, 255, 0.7) !important;
}

.cursor-pointer {
    cursor: pointer;
}

.user-select-none {
    user-select: none;
}

/* Print Styles */
@media print {
    .navbar,
    .price-ticker,
    .chatbot-container,
    .chatbot-toggle,
    footer {
        display: none !important;
    }
    
    .quotation-form {
        box-shadow: none;
        border: 1px solid hsl(var(--gray-300));
    }
}