/* Global Styles */
:root {
    --primary-color: #0ea5e9;
    --primary-hover: #0284c7;
    --secondary-color: #d946ef;
    --accent-color: #f97316;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --neutral-50: #fafafa;
    --neutral-100: #f5f5f5;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-900: #171717;
    --transition-speed: 0.3s;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-soft: 0 2px 15px -3px rgba(0, 0, 0, 0.07), 0 10px 20px -2px rgba(0, 0, 0, 0.04);
    --shadow-soft-lg: 0 10px 40px -10px rgba(0, 0, 0, 0.1);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --shadow-glass-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-neon: 0 0 20px rgba(14, 165, 233, 0.5);
    --shadow-neon-pink: 0 0 20px rgba(217, 70, 239, 0.5);
}

/* Base Styles */
body {
    font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--neutral-700);
    overflow-x: hidden;
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.display-4 {
    font-weight: 800;
    letter-spacing: -0.03em;
}

.display-5 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes glow {
    from {
        box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
    }
    to {
        box-shadow: 0 0 30px rgba(14, 165, 233, 0.6);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes bounceGentle {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

/* Glass Morphism Effects */
.glass {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Modern Button Styles */
.btn-modern {
    position: relative;
    overflow: hidden;
    border: none;
    border-radius: 16px;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 16px;
    transition: all var(--transition-speed) var(--transition-smooth);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.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-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft-lg);
}

.btn-primary-modern {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary-modern:hover {
    background: linear-gradient(135deg, var(--primary-hover), #c026d3);
    box-shadow: var(--shadow-neon);
}

/* Card Styles */
.card-modern {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 32px;
    transition: all var(--transition-speed) var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
}

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

/* Feature Card Enhancements */
.feature-card-modern {
    position: relative;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.5s var(--transition-smooth);
    overflow: hidden;
}

.feature-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05), rgba(217, 70, 239, 0.05));
    opacity: 0;
    transition: opacity 0.5s var(--transition-smooth);
}

.feature-card-modern:hover::before {
    opacity: 1;
}

.feature-card-modern:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-glass-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: all 0.5s var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card-modern:hover .feature-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-neon);
}

.feature-card-modern:hover .feature-icon::before {
    opacity: 1;
}

/* Pricing Card Enhancements */
.pricing-card-modern {
    position: relative;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 32px;
    padding: 40px;
    transition: all 0.5s var(--transition-smooth);
    overflow: hidden;
}

.pricing-card-modern.featured {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(14, 165, 233, 0.3);
    transform: scale(1.05);
    z-index: 10;
}

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

.pricing-card-modern.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

/* Navigation Enhancements */
.navbar-modern {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-speed) var(--transition-smooth);
}

.nav-link-modern {
    position: relative;
    padding: 12px 16px;
    border-radius: 12px;
    transition: all var(--transition-speed) var(--transition-smooth);
    font-weight: 500;
}

.nav-link-modern::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: all var(--transition-speed) var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-link-modern:hover::after {
    width: 80%;
}

.nav-link-modern:hover {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary-color);
}

/* Form Enhancements */
.form-modern {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 32px;
}

.input-modern {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 16px 20px;
    font-size: 16px;
    transition: all var(--transition-speed) var(--transition-smooth);
    width: 100%;
}

.input-modern:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

/* Loading States */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
    border-radius: 8px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(14, 165, 233, 0.1);
    border-left: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Toast Notifications */
.toast-modern {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 16px 20px;
    box-shadow: var(--shadow-glass);
    transition: all var(--transition-speed) var(--transition-smooth);
}

.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-error {
    border-left: 4px solid var(--danger-color);
}

.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast-info {
    border-left: 4px solid var(--info-color);
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-accent {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-modern {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.bg-gradient-accent {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--neutral-100);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-hover), #c026d3);
}

/* Focus and Accessibility */
.focus-ring:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.3);
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .card-modern {
        border: 2px solid var(--neutral-600);
    }
    
    .btn-modern {
        border: 2px solid currentColor;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Preparation */
@media (prefers-color-scheme: dark) {
    :root {
        --neutral-50: #0a0a0a;
        --neutral-100: #171717;
        --neutral-600: #a3a3a3;
        --neutral-700: #d4d4d4;
        --neutral-900: #fafafa;
    }
    
    body {
        background: linear-gradient(135deg, #0a0a0a 0%, #171717 100%);
        color: var(--neutral-700);
    }
    
    .card-modern {
        background: rgba(0, 0, 0, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .navbar-modern {
        background: rgba(0, 0, 0, 0.8);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .card-modern {
        background: white !important;
        border: 1px solid #ccc !important;
        box-shadow: none !important;
    }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .card-modern {
        padding: 24px;
        border-radius: 20px;
    }
    
    .feature-card-modern {
        padding: 32px 24px;
    }
    
    .pricing-card-modern {
        padding: 32px 24px;
    }
    
    .btn-modern {
        padding: 14px 20px;
        font-size: 16px;
    }
    
    .feature-icon {
        width: 64px;
        height: 64px;
        border-radius: 16px;
    }
}

/* Tablet Optimizations */
@media (max-width: 1024px) and (min-width: 769px) {
    .pricing-card-modern.featured {
        transform: scale(1.02);
    }
    
    .pricing-card-modern.featured:hover {
        transform: scale(1.02) translateY(-8px);
    }
}

/* Large Screen Optimizations */
@media (min-width: 1440px) {
    .card-modern {
        padding: 40px;
    }
    
    .feature-card-modern {
        padding: 48px;
    }
    
    .pricing-card-modern {
        padding: 48px;
    }
}