.backend-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(79, 70, 229, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.15) 0%, transparent 50%);
    z-index: -1;
}

.backend-hero {
    text-align: center;
    margin: 5rem 0;
    position: relative;
}

.backend-hero::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(79, 70, 229, 0.5), 
        rgba(16, 185, 129, 0.5), 
        transparent
    );
}

.backend-title {
    font-size: 3.5em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #4F46E5, #10B981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(79, 70, 229, 0.5);
}

.backend-subtitle {
    font-size: 1.5em;
    opacity: 0.8;
    margin-bottom: 3rem;
    line-height: 1.5;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: var(--card-border);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.3);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #4F46E5, #10B981);
}

.service-icon {
    font-size: 2.5em;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #4F46E5, #10B981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.service-title {
    font-size: 1.5em;
    margin-bottom: 1rem;
    color: #4F46E5;
}

.tech-stack {
    margin: 6rem 0;
    text-align: center;
}

.tech-title {
    font-size: 2.5em;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #4F46E5, #10B981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.tech-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: var(--card-border);
    padding: 1.5rem;
    width: 120px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.tech-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.3);
}

.tech-icon {
    font-size: 2.5em;
    margin-bottom: 1rem;
    color: #10B981;
}

.tech-name {
    font-size: 0.9em;
    color: #fff;
}

.process-section {
    margin: 6rem 0;
    text-align: center;
}

.process-title {
    font-size: 2.5em;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, #4F46E5, #10B981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.process-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    position: relative;
}

.process-step {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: var(--card-border);
    padding: 2rem;
    width: 250px;
    text-align: left;
    position: relative;
    z-index: 2;
}

.step-number {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #4F46E5, #10B981);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2em;
}

.step-title {
    font-size: 1.3em;
    margin-bottom: 1rem;
    color: #10B981;
}

@media (max-width: 768px) {
    .backend-title {
        font-size: 2.5em;
    }
    
    .backend-subtitle {
        font-size: 1.2em;
    }
    
    .tech-grid {
        gap: 1rem;
    }
    
    .tech-item {
        width: 100px;
        padding: 1rem;
    }
}