* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            line-height: 1.6;
            color: #1e293b;
            background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
        }

        .portfolio-section {
            padding: 60px 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero-intro {
            text-align: center;
            margin-bottom: 80px;
            background: linear-gradient(135deg, #198754, #1bbd36);
            color: white;
            padding: 60px 40px;
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(59, 130, 246, 0.3);
            position: relative;
            overflow: hidden;
        }

        .hero-intro::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="1" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
        }

        .text-white {
            color: #ffffff;
        }


        .hero-intro>* {
            position: relative;
            z-index: 1;
        }

        .hero-intro h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff, #e0e7ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-intro p {
            font-size: 1.3rem;
            margin-bottom: 30px;
            opacity: 0.95;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .startup-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 20px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .section-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            margin-bottom: 60px;
        }

        .portfolio-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
            border: 1px solid #e2e8f0;
        }

        .portfolio-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
        }

        .card-header {
            padding: 30px 30px 20px;
            background: linear-gradient(135deg, #f8fafc, #f1f5f9);
            border-bottom: 1px solid #e2e8f0;
        }

        .card-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: white;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
        }

        .card-header h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1e293b;
            margin-bottom: 10px;
        }

        .card-subtitle {
            color: #64748b;
            font-size: 0.95rem;
            font-weight: 500;
        }

        .card-content {
            padding: 30px;
        }

        .tech-stack {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .tech-tag {
            background: #f1f5f9;
            color: #475569;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid #e2e8f0;
        }

        .project-description {
            color: #64748b;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .project-status {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .status-prototype {
            background: #fef3c7;
            color: #92400e;
        }

        .status-development {
            background: #dbeafe;
            color: #1d4ed8;
        }

        .status-concept {
            background: #f3e8ff;
            color: #7c3aed;
        }

        .skills-showcase {
            background: white;
            border-radius: 20px;
            padding: 40px;
            margin-bottom: 60px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid #e2e8f0;
        }

        .skills-showcase h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: #1e293b;
            margin-bottom: 30px;
        }

        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .skill-category {
            text-align: center;
            padding: 25px 15px;
            background: #f8fafc;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }

        .skill-category:hover {
            background: #f1f5f9;
            transform: translateY(-5px);
        }

        .skill-category-icon {
            font-size: 2rem;
            margin-bottom: 15px;
            display: block;
        }

        .skill-category h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1e293b;
            margin-bottom: 8px;
        }

        .skill-category p {
            font-size: 0.9rem;
            color: #64748b;
        }

        .cta-section {
            background: linear-gradient(135deg, #1e293b, #334155);
            color: white;
            padding: 60px 40px;
            border-radius: 24px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(30, 41, 59, 0.3);
        }

        .cta-section h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-button {
            display: inline-block;
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            color: white;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(59, 130, 246, 0.5);
            background: linear-gradient(135deg, #2563eb, #1e40af);
        }

        .coming-soon {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            margin: 40px 0;
            box-shadow: 0 15px 40px rgba(245, 158, 11, 0.3);
        }

        .coming-soon h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .coming-soon p {
            opacity: 0.95;
            font-size: 1.1rem;
        }

        @media (max-width: 768px) {
            .hero-intro {
                padding: 40px 25px;
            }

            .hero-intro h1 {
                font-size: 2.2rem;
            }

            .hero-intro p {
                font-size: 1.1rem;
            }

            .section-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .skills-showcase {
                padding: 30px 20px;
            }

            .cta-section {
                padding: 40px 25px;
            }

            .cta-section h2 {
                font-size: 2rem;
            }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }