/* Premium UI Design System - World-Class Aesthetics */
:root {
    /* Premium Color Palette - Emerald Green & Royal Gold */
    --premium-emerald: #10b981;
    --premium-emerald-dark: #059669;
    --premium-emerald-light: #34d399;
    --premium-emerald-soft: #d1fae5;
    --premium-emerald-gradient: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --premium-emerald-glow: linear-gradient(135deg, #10b981 0%, #fbbf24 100%);
    
    --premium-gold: #f59e0b;
    --premium-gold-dark: #d97706;
    --premium-gold-light: #fbbf24;
    --premium-gold-soft: #fef3c7;
    --premium-gold-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    
    /* Premium Mixed Gradients */
    --premium-hero-gradient: linear-gradient(135deg, #10b981 0%, #f59e0b 100%);
    --premium-subtle-gradient: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(245, 158, 11, 0.1) 100%);
    --premium-mesh-gradient: radial-gradient(at 40% 20%, #34d399 0px, transparent 50%),
                              radial-gradient(at 80% 0%, #fbbf24 0px, transparent 50%),
                              radial-gradient(at 10% 50%, #10b981 0px, transparent 50%),
                              radial-gradient(at 80% 80%, #f59e0b 0px, transparent 50%),
                              radial-gradient(at 30% 80%, #d1fae5 0px, transparent 50%);
    
    /* Premium Neutrals */
    --premium-white: #ffffff;
    --premium-cream: #fefcf9;
    --premium-pearl: #fafaf9;
    --premium-stone-50: #fafaf9;
    --premium-stone-100: #f5f5f4;
    --premium-stone-200: #e7e5e4;
    --premium-stone-300: #d6d3d1;
    --premium-stone-400: #a8a29e;
    --premium-stone-500: #78716c;
    --premium-stone-600: #57534e;
    --premium-stone-700: #44403c;
    --premium-stone-800: #292524;
    --premium-stone-900: #1c1917;
    
    /* Premium Shadows */
    --premium-shadow-xs: 0 1px 3px rgba(16, 185, 129, 0.05);
    --premium-shadow-sm: 0 4px 8px rgba(16, 185, 129, 0.08);
    --premium-shadow-md: 0 8px 16px rgba(16, 185, 129, 0.12);
    --premium-shadow-lg: 0 16px 32px rgba(16, 185, 129, 0.16);
    --premium-shadow-xl: 0 24px 48px rgba(16, 185, 129, 0.20);
    --premium-shadow-2xl: 0 32px 64px rgba(16, 185, 129, 0.24);
    --premium-shadow-glow: 0 0 64px rgba(16, 185, 129, 0.3);
    --premium-shadow-gold: 0 8px 32px rgba(245, 158, 11, 0.2);
    
    /* Premium Effects */
    --premium-blur-sm: blur(8px);
    --premium-blur-md: blur(16px);
    --premium-blur-lg: blur(24px);
    --premium-blur-xl: blur(40px);
    
    /* Animations */
    --premium-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --premium-ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --premium-ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Premium Components */

/* Hero Section */
.premium-hero {
    position: relative;
    padding: 120px 0;
    background: linear-gradient(135deg, #ffffff 0%, #fafaf9 100%);
    overflow: hidden;
}

.premium-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--premium-mesh-gradient);
    opacity: 0.3;
    filter: blur(100px);
}

.premium-hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: var(--premium-hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    line-height: 1.1;
    animation: fadeUp 0.8s ease;
}

.premium-hero-subtitle {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    color: var(--premium-stone-600);
    font-weight: 400;
    margin-bottom: 48px;
    animation: fadeUp 0.8s ease 0.1s backwards;
}

/* Premium Card */
.premium-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--premium-ease);
    border: 1px solid rgba(16, 185, 129, 0.1);
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: var(--premium-subtle-gradient);
    opacity: 0;
    transition: opacity 0.4s var(--premium-ease);
}

.premium-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--premium-shadow-xl);
    border-color: var(--premium-emerald-light);
}

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

/* Premium Glass Card */
.premium-glass {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.8));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 24px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.premium-glass::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(16, 185, 129, 0.1) 50%,
        transparent 70%
    );
    animation: shimmer 3s infinite;
}

/* Premium Button */
.premium-btn {
    position: relative;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--premium-ease);
    overflow: hidden;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.premium-btn-primary {
    background: var(--premium-emerald-gradient);
    color: white;
    box-shadow: 0 4px 24px rgba(16, 185, 129, 0.3);
}

.premium-btn-primary::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 0.5s;
    z-index: -1;
}

.premium-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.4);
}

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

.premium-btn-gold {
    background: var(--premium-gold-gradient);
    color: white;
    box-shadow: 0 4px 24px rgba(245, 158, 11, 0.3);
}

.premium-btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(245, 158, 11, 0.4);
}

/* Premium Feature Box */
.premium-feature {
    text-align: center;
    padding: 48px 32px;
    border-radius: 20px;
    background: white;
    border: 1px solid var(--premium-stone-200);
    transition: all 0.4s var(--premium-ease);
    position: relative;
}

.premium-feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--premium-emerald-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.4s var(--premium-ease);
}

.premium-feature-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--premium-gold-gradient);
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.4s var(--premium-ease);
}

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

.premium-feature:hover .premium-feature-icon::after {
    opacity: 1;
}

.premium-feature-icon i {
    font-size: 36px;
    color: white;
    z-index: 1;
    position: relative;
}

.premium-feature-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--premium-stone-900);
    margin-bottom: 16px;
}

.premium-feature-text {
    color: var(--premium-stone-600);
    line-height: 1.7;
}

.premium-feature:hover {
    transform: translateY(-12px);
    box-shadow: var(--premium-shadow-xl);
    border-color: var(--premium-emerald);
}

/* Premium Grid */
.premium-grid {
    display: grid;
    gap: 32px;
}

.premium-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.premium-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.premium-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Premium Badge */
.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--premium-emerald-gradient);
    color: white;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
    animation: glow 2s ease-in-out infinite;
}

.premium-badge-gold {
    background: var(--premium-gold-gradient);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
}

/* Premium Section */
.premium-section {
    padding: 100px 0;
    position: relative;
}

.premium-section-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--premium-mesh-gradient);
    opacity: 0.05;
    filter: blur(100px);
    z-index: -1;
}

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

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3); }
    50% { box-shadow: 0 8px 32px rgba(16, 185, 129, 0.5); }
}

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

/* Premium Blog Card */
.premium-blog-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s var(--premium-ease);
    border: 1px solid var(--premium-stone-200);
    position: relative;
}

.premium-blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--premium-hero-gradient);
    transform: scaleX(0);
    transition: transform 0.4s var(--premium-ease);
}

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

.premium-blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--premium-shadow-xl);
    border-color: var(--premium-emerald-light);
}

.premium-blog-image {
    height: 200px;
    background: var(--premium-subtle-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.premium-blog-image i {
    font-size: 48px;
    color: var(--premium-emerald);
    animation: float 3s ease-in-out infinite;
}

.premium-blog-content {
    padding: 32px;
}

.premium-blog-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--premium-stone-900);
    margin-bottom: 12px;
    transition: color 0.3s var(--premium-ease);
}

.premium-blog-card:hover .premium-blog-title {
    color: var(--premium-emerald);
}

.premium-blog-excerpt {
    color: var(--premium-stone-600);
    line-height: 1.7;
    margin-bottom: 20px;
}

.premium-blog-link {
    color: var(--premium-emerald);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s var(--premium-ease);
}

.premium-blog-link:hover {
    gap: 12px;
}

/* Premium Stats */
.premium-stat {
    text-align: center;
    padding: 48px 32px;
    background: white;
    border-radius: 20px;
    border: 1px solid var(--premium-stone-200);
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--premium-ease);
}

.premium-stat::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: var(--premium-subtle-gradient);
    animation: rotate 10s linear infinite;
    opacity: 0;
    transition: opacity 0.4s;
}

.premium-stat:hover::before {
    opacity: 1;
}

.premium-stat:hover {
    transform: scale(1.05);
    box-shadow: var(--premium-shadow-xl);
    border-color: var(--premium-emerald);
}

.premium-stat-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--premium-hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.premium-stat-label {
    color: var(--premium-stone-600);
    font-size: 18px;
    font-weight: 500;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .premium-grid-2,
    .premium-grid-3,
    .premium-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .premium-hero-title {
        font-size: 2rem;
    }
    
    .premium-hero-subtitle {
        font-size: 1.125rem;
    }
}