/* Modern Design System - Additional Styles */
:root {
    /* Modern Color Palette */
    --modern-primary: #0066FF;
    --modern-primary-dark: #0052CC;
    --modern-primary-light: #4D94FF;
    --modern-secondary: #00D4AA;
    --modern-accent: #FF6B6B;
    --modern-success: #10B981;
    --modern-warning: #F59E0B;
    
    /* Neutral Colors */
    --modern-gray-50: #F9FAFB;
    --modern-gray-100: #F3F4F6;
    --modern-gray-200: #E5E7EB;
    --modern-gray-300: #D1D5DB;
    --modern-gray-400: #9CA3AF;
    --modern-gray-500: #6B7280;
    --modern-gray-600: #4B5563;
    --modern-gray-700: #374151;
    --modern-gray-800: #1F2937;
    --modern-gray-900: #111827;
    
    /* Modern Gradients */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4AA 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%);
    
    /* Modern Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Modern Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

/* Modern Typography System */
body {
    font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--modern-gray-800);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--modern-gray-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

/* Modern Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (min-width: 1536px) {
    .container {
        max-width: 1400px;
    }
}

/* Modern Section Spacing */
.section {
    padding: var(--space-3xl) 0;
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-2xl) 0;
    }
}

/* Modern Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px 0 rgba(0, 102, 255, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--modern-primary);
    border-color: var(--modern-primary);
}

.btn-secondary:hover {
    background: var(--modern-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Modern Cards */
.modern-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--modern-gray-200);
}

.modern-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--modern-primary-light);
}

/* Modern Glassmorphism */
.glass-effect {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Modern Grid System */
.modern-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.modern-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.modern-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Modern Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: white;
}

/* Modern Divider */
.divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--modern-gray-300), transparent);
    margin: var(--space-xl) 0;
}

/* Modern Section Titles */
.modern-section-title {
    text-align: center;
    margin-bottom: var(--space-md);
}

.modern-section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.modern-section-title p {
    font-size: 1.125rem;
    color: var(--modern-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.modern-section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    margin: var(--space-md) auto 0;
}

/* Modern Animations */
@keyframes modernFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes modernPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

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

.animate-slide-in {
    animation: modernSlideIn 0.6s ease-out;
}

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

.shadow-modern {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.rounded-modern {
    border-radius: var(--radius-xl);
}

/* Modern Responsive Utilities */
@media (max-width: 1024px) {
    .modern-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--space-md);
    }
}

@media (max-width: 768px) {
    .modern-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9375rem;
    }
}