/* Premium Our Expertise Section */
.premium-expertise-section {
    position: relative;
    padding: 120px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Background Effects */
.expertise-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.expertise-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: expertise-float 20s ease-in-out infinite;
}

.expertise-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(15, 23, 42, 0.8) 0%, 
        rgba(30, 41, 59, 0.6) 50%, 
        rgba(51, 65, 85, 0.8) 100%);
}

/* Header */
.expertise-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.expertise-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 12px 24px;
    margin-bottom: 24px;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.expertise-badge:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.expertise-badge-icon {
    width: 20px;
    height: 20px;
    color: #10b981;
    animation: expertise-pulse 2s ease-in-out infinite;
}

.expertise-badge-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.expertise-title {
    font-size: 4rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 24px;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.expertise-subtitle {
    font-size: 1.2rem;
    color: #94a3b8;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Expertise Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    position: relative;
    z-index: 2;
}

/* Expertise Cards */
.expertise-card {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: all 0.4s ease;
    height: 100%;
}

.expertise-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.expertise-card-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Image Container */
.expertise-image-container {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.expertise-image {
    width: 100%;
    height: 100%;
    margin: 0;
    position: relative;
}

.expertise-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.expertise-card:hover .expertise-image img {
    transform: scale(1.05);
}

.expertise-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(15, 23, 42, 0.7) 0%, 
        rgba(30, 41, 59, 0.5) 50%, 
        rgba(51, 65, 85, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.expertise-card:hover .expertise-overlay {
    opacity: 1;
}

.expertise-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.expertise-icon svg {
    width: 28px;
    height: 28px;
    color: #ffffff;
}

.expertise-card:hover .expertise-icon {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    transform: scale(1.1);
}

/* Content */
.expertise-content {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.expertise-number {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10b981, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    z-index: 3;
}

.expertise-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
    line-height: 1.3;
}

.expertise-description {
    font-size: 1rem;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 24px;
    flex: 1;
}

/* Features */
.expertise-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.expertise-feature {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 6px 12px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #3b82f6;
    transition: all 0.3s ease;
}

.expertise-feature:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

/* Dark Mode Support */
html[data-theme="dark"] .premium-expertise-section {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2a2a2a 100%);
}

html[data-theme="dark"] .expertise-particles {
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
}

/* RTL Support */
html.rtl .expertise-badge {
    direction: rtl;
}

html.rtl .expertise-number {
    right: auto;
    left: 24px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .premium-expertise-section {
        padding: 80px 0;
    }
    
    .expertise-header {
        margin-bottom: 60px;
    }
    
    .expertise-title {
        font-size: 2.5rem;
    }
    
    .expertise-subtitle {
        font-size: 1.1rem;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .expertise-image-container {
        height: 240px;
    }
    
    .expertise-content {
        padding: 24px;
    }
    
    .expertise-card-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .premium-expertise-section {
        padding: 60px 0;
    }
    
    .expertise-header {
        margin-bottom: 40px;
    }
    
    .expertise-title {
        font-size: 2rem;
    }
    
    .expertise-grid {
        gap: 24px;
    }
    
    .expertise-image-container {
        height: 200px;
    }
    
    .expertise-content {
        padding: 20px;
    }
    
    .expertise-card-title {
        font-size: 1.2rem;
    }
    
    .expertise-description {
        font-size: 0.95rem;
    }
    
    .expertise-features {
        gap: 6px;
    }
    
    .expertise-feature {
        font-size: 0.8rem;
        padding: 4px 10px;
    }
}

/* Animation Classes */
@keyframes expertise-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

@keyframes expertise-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

.expertise-card.animate-in {
    animation: expertise-slideIn 0.6s ease-out forwards;
}

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