/* Skills Section */
        .skills-section {
            padding: 100px 50px;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .skills {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .skill-item {
            padding: 20px;
            transition: all 0.3s ease;
        }

        .skill-item:hover {
            transform: translateY(-5px);
        }

        .skill-item h3 {
            margin-bottom: 10px;
            color: var(--primary);
        }

        .skill-bar {
            height: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            overflow: hidden;
        }

        .skill-progress {
            height: 100%;
            background: linear-gradient(45deg, var(--primary), var(--accent));
            border-radius: 4px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-title p {
            color: #cccccc;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .skills-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 30px;
            justify-items: center;
        }

        .skill-card {
            width: 150px;
            height: 150px;
            perspective: 1000px;
            cursor: pointer;
        }

        .skill-card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            text-align: center;
            transition: transform 0.6s;
            transform-style: preserve-3d;
        }

        .skill-card:hover .skill-card-inner {
            transform: rotateY(180deg);
        }

        .skill-card-front, .skill-card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
            border-radius: 15px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .skill-card-front {
            background: var(--glass);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
        }

        .skill-card-back {
            background: linear-gradient(45deg, var(--primary), var(--accent));
            color: var(--dark);
            transform: rotateY(180deg);
        }

        .skill-icon {
            font-size: 3rem;
            margin-bottom: 10px;
        }

        .skill-name {
            font-weight: 600;
            font-size: 1rem;
        }

        .skill-level {
            font-size: 0.8rem;
            margin-top: 5px;
        }

        /* 3D effects for specific tech stacks */
        .python .skill-card-front {
            background: linear-gradient(135deg, #306998, #FFD43B);
            color: white;
        }

        .javascript .skill-card-front {
            background: linear-gradient(135deg, #F7DF1E, #000000);
            color: black;
        }

        .react .skill-card-front {
            background: linear-gradient(135deg, #61DAFB, #282C34);
            color: white;
        }

        .html .skill-card-front {
            background: linear-gradient(135deg, #E34F26, #F06529);
            color: white;
        }

        .css .skill-card-front {
            background: linear-gradient(135deg, #1572B6, #33A9DC);
            color: white;
        }

        .nodejs .skill-card-front {
            background: linear-gradient(135deg, #339933, #68A063);
            color: white;
        }

        .mongodb .skill-card-front {
            background: linear-gradient(135deg, #47A248, #B8C4C2);
            color: white;
        }

        .git .skill-card-front {
            background: linear-gradient(135deg, #F05032, #F14E32);
            color: white;
        }

        /* Animation for 3D effect */
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .skill-card {
            animation: float 6s ease-in-out infinite;
        }

        .skill-card:nth-child(2) { animation-delay: 0.5s; }
        .skill-card:nth-child(3) { animation-delay: 1s; }
        .skill-card:nth-child(4) { animation-delay: 1.5s; }
        .skill-card:nth-child(5) { animation-delay: 2s; }
        .skill-card:nth-child(6) { animation-delay: 2.5s; }
        .skill-card:nth-child(7) { animation-delay: 3s; }
        .skill-card:nth-child(8) { animation-delay: 3.5s; }

        /* Responsive design */
        @media (max-width: 768px) {
            .skills-container {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            }
            
            .skill-card {
                width: 120px;
                height: 120px;
            }
            
            .skill-icon {
                font-size: 2.5rem;
            }
            
            .skill-name {
                font-size: 0.9rem;
            }
        }