:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #818cf8;
            --secondary: #10b981;
            --secondary-dark: #059669;
            --accent: #f59e0b;
            --dark: #1f2937;
            --darker: #111827;
            --light: #f9fafb;
            --lighter: #ffffff;
            --gray: #6b7280;
            --gray-light: #e5e7eb;
            --gray-dark: #374151;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            --radius: 0.5rem;
            --radius-lg: 0.75rem;
            --radius-xl: 1rem; 
            --body-bg: #f5f8ff;
            --text-primary: #1d2144;
            --text-secondary: #5e6480;
            --success: #28a745;
            --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --bg-secondary: #f7f9fc;
            --alert:#dc3545;
   
        }

        .error-message {
            font-size: 0.875rem;
            margin-top: 0.25rem;
        }

        .mobile-menu { display: none;}

        .is-invalid {
            border-color: var(--alert) !important;
        }

        .text-danger {
            color: var(--alert) !important;
        }

        .floating-theme-toggle {
            position: fixed;
            top: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--lighter);
            border: none;
            cursor: pointer;
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: var(--transition);
            box-shadow: var(--shadow);
            z-index: 1000;
        }
        
        .dark-mode .floating-theme-toggle {
            background: var(--gray-light);
            color: var(--dark);
        }
        
        .floating-theme-toggle:hover {
            transform: translateY(-3px) rotate(30deg);
            box-shadow: var(--shadow-lg);
        }

        .dark-mode {
            --primary: #818cf8;
            --primary-dark: #6366f1;
            --secondary: #34d399;
            --secondary-dark: #10b981;
            --accent: #fbbf24;
            --dark: #f3f4f6;
            --darker: #f9fafb;
            --light: #111827;
            --lighter: #1f2937;
            --gray: #d1d5db;
            --gray-light: #374151;
            --gray-dark: #e5e7eb;
            --body-bg: #0a0e23;
            --lighter: #13172f;
            --text-primary: #e9ecf3;
            --text-secondary: #9aa1b9;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.25);
        }

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


        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--body-bg);
            color: var(--text-primary);
            line-height: 1.6;
            transition: var(--transition);
            padding: 0;
            overflow-x: hidden;
        }

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


        /* Navigation */
        nav {
            /* position: fixed; */
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }


        .dark-mode nav {
            background-color: rgba(17, 24, 39, 0.95);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo-dot {
            width: 8px;
            height: 8px;
            background: var(--secondary);
            border-radius: 50%;
            display: inline-block;
        }

        .nav-links {
            display: flex;
            gap: 2.5rem;
        }

        .nav-links a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 0.5rem 0;
        }

        .dark-mode .nav-links a {
            color: var(--dark);
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 3px;
            transition: var(--transition);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .theme-toggle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--lighter);
            border: none;
            cursor: pointer;
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .dark-mode .theme-toggle {
            background: var(--gray-light);
            color: var(--dark);
            box-shadow: var(--shadow);
        }

        .theme-toggle:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .mobile-menu-btn {
            display: none;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--lighter);
            border: none;
            cursor: pointer;
            color: var(--dark);
            font-size: 1.5rem;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .dark-mode .mobile-menu-btn {
            background: var(--gray-light);
            color: var(--dark);
            box-shadow: var(--shadow);
        }

        .mobile-menu-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* Hero Section */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            /* padding-top: 80px; */
        }

        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
        }

        .hero-content {
            display: flex;
            align-items: center;
            gap: 4rem;
        }

        .hero-text {
            flex: 1;
        }

        .hero-image {
            flex: 1;
            display: flex;
            justify-content: center;
            position: relative;
        }

        .hero-badge {
            position: absolute;
            bottom: 30px;
            right: 30px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% {
                transform: scale(1);
                box-shadow: var(--shadow-lg);
            }
            50% {
                transform: scale(1.05);
                box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
            }
            100% {
                transform: scale(1);
                box-shadow: var(--shadow-lg);
            }
        }

        .image-container {
            width: auto;
            height: 600px;
            border-radius: 70% 70% 70% 70% / 30% 30% 70% 70%;
            overflow: hidden;
            /* border: 10px solid var(--lighter); */
            /* box-shadow: var(--shadow-lg); */
            position: relative;
            animation: morphing 10s ease-in-out infinite;
        }

        @keyframes morphing {
            0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
            25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
            50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
            75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
            100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
        }

        .dark-mode .image-container {
            border-color: var(--gray-light);
        }

        .image-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        h1 {
            font-size: 3.8rem;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1.5rem;
        }

        h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .section-title {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title h2 {
            font-size: 2.8rem;
            color: var(--dark);
            position: relative;
            display: inline-block;
            margin-bottom: 1.5rem;
        }

        .section-title p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }


        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 5px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 3px;
        }

        .page-header {
            text-align: center;
            padding: 60px 0 40px;
            margin-top:50px;
        }

        .page-header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
            position: relative;
            display: inline-block;
        }

        .page-header h1:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        .page-header p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 20px auto 0;
        }

        /* Reviews Grid */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 24px;
            margin: 40px 0;
        }


        .review-date {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
        }

        .review-date i {
            margin-right: 6px;
        }

        .rating {
            display: flex;
            margin: 10px 0;
        }

        .rating i {
            color: #ffc107;
            margin-right: 2px;
            font-size: 0.9rem;
        }

        /* Review Form Section */
        #review-form-section {
            margin: 80px 0;
            padding: 50px 0;
            background: var(--lighter);
            border-radius: 16px;
            box-shadow: var(--card-shadow);
        }

        

        .review-form-container {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .form-intro {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 40px;
            text-align: center;
        }

        .form-image {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            overflow: hidden;
            margin-bottom: 20px;
            border: 4px solid var(--light);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .form-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .form-message h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .form-message p {
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Form Styles */
        #review-form {
            background: var(--light);
            padding: 30px;
            border-radius: 12px;
        }

        /* Pagination */
        .pagination {
            display: flex;
            justify-content: center;
            margin: 40px 0;
        }

        .pagination .page-link {
            padding: 8px 16px;
            margin: 0 4px;
            border-radius: 6px;
            border: 1px solid var(--gray-light);
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        .pagination .page-link:hover {
            background: var(--primary);
            color: white;
        }

        .pagination .active .page-link {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        /* No Reviews State */
        .no-reviews {
            text-align: center;
            padding: 60px 20px;
            grid-column: 1 / -1;
        }

        .no-reviews i {
            font-size: 4rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
            opacity: 0.7;
        }

        .no-reviews h3 {
            font-size: 1.8rem;
            color: var(--text-primary);
            margin-bottom: 15px;
        }

        .no-reviews p {
            color: var(--text-secondary);
            margin-bottom: 30px;
        }

        /* Toast Notification */
        .toast {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: white;
            color: var(--dark);
            padding: 16px 24px;
            border-radius: 8px;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            z-index: 1000;
            transform: translateY(100px);
            opacity: 0;
            transition: all 0.3s ease;
        }

        .toast.show {
            transform: translateY(0);
            opacity: 1;
        }

        .toast i {
            margin-right: 12px;
            font-size: 1.2rem;
        }

        .toast.success i {
            color: var(--success);
        }

        .toast.error i {
            color: #dc3545;
        }

                
       
        .resume-card {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--darker);
            transition: all 0.3s ease;
            position: relative;
            background-color: var(--lighter);
        }
        
  
        
        .resume-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            opacity: 0.8;
        }
        
        .resume-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
        }
        
        .skill-tag {
            border-radius: 50px;
            transition: all 0.2s ease;
            position: relative;
            overflow: hidden;
            background-color:var(--light);
            color: var(--primary-dark);
            padding: 8px;
            font-size: 14px;
            font-weight: 500;
            text-align: center;
        }

        
        .skill-tag::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: all 0.5s ease;
        }
        
        .skill-tag:hover::before {
            left: 100%;
        }
        
        .skill-tag:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        
        .timeline-item {
            position: relative;
            padding-left: 40px;
            border-left: 2px solid var(--light);
            transition: all 0.3s ease;
            margin-bottom: 32px;
        }
        

        
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -11px;
            top: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
            z-index: 1;
        }
        
        .timeline-item:hover {
            transform: translateX(8px);
        }
        
        .profile-img {
            transition: all 0.3s ease;
            border: 4px solid var(--light);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            position: relative;
            border-radius: 50%;
            width: 128px;
            height: 128px;
            object-fit: cover;
            margin: 0 auto 16px;
        }
        
        
        .profile-img::after {
            content: '';
            position: absolute;
            inset: -8px;
            border: 2px solid var(--primary);
            border-radius: 50%;
            opacity: 0;
            transition: all 0.3s ease;
        }
        
        .profile-img:hover {
            transform: scale(1.05);
        }
        
        .profile-img:hover::after {
            opacity: 0.5;
            inset: -5px;
        }
        
        .nav-tab {
            transition: all 0.2s ease;
            border-radius: 10px;
            position: relative;
            overflow: hidden;
            padding: 0.8rem 1rem;
            background-color: var(--lighter);
            color: var(--dark);
            font-weight: 500;
            font-size: 16px;
            display: flex;
            align-items: center;
            border: none;
        }
        .nav-tab:hover{ cursor: pointer; }

        .nav-tab i { margin-right: 0.5rem; }
 
        
        .nav-tab::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: all 0.3s ease;
        }
        
        .nav-tab.active::before {
            width: 100%;
        }
        
        .nav-tab.active {
            background-color: var(--dark);
            color: var(--primary);
        }
        
        
        .language-bar {
            height: 8px;
            border-radius: 4px;
            background-color: var(--light);
            overflow: hidden;
            position: relative;
        }

        
        .language-progress {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            border-radius: 4px;
            position: relative;
            overflow: hidden;
        }
        
        .language-progress::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            right: 0;
            background-image: linear-gradient(
                -45deg, 
                rgba(255, 255, 255, 0.2) 25%, 
                transparent 25%, 
                transparent 50%, 
                rgba(255, 255, 255, 0.2) 50%, 
                rgba(255, 255, 255, 0.2) 75%, 
                transparent 75%, 
                transparent
            );
            z-index: 1;
            background-size: 20px 20px;
            animation: move 1s linear infinite;
            overflow: hidden;
        }
        
        @keyframes move {
            0% { background-position: 0 0; }
            100% { background-position: 20px 20px; }
        }
        
        .download-btn {
            transition: all 0.3s ease;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            position: relative;
            overflow: hidden;
            padding: 8px 16px;
            color: #ffffff;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .download-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: all 0.5s ease;
        }
        
        .download-btn:hover::before {
            transform: translateX(100%);
        }
        
        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 25px -5px rgba(99, 102, 241, 0.4);
        }
        
        .print-btn {
            transition: all 0.3s ease;
            border-radius: 10px;
            position: relative;
            overflow: hidden;
            padding: 8px 16px;
            background-color: var(--lighter);
            color: var(--dark);
            font-weight: 500;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        
        .print-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: all 0.5s ease;
        }
        
        .print-btn:hover::before {
            transform: translateX(100%);
        }
        
        .print-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.15);
        }
        
        

        
        .animate-fade-in {
            animation: fadeIn 0.6s ease forwards;
        }
        
        .delay-100 { animation-delay: 0.1s; }
        .delay-200 { animation-delay: 0.2s; }
        .delay-300 { animation-delay: 0.3s; }
        
        ::-webkit-scrollbar {
            width: 10px;
        }
        
        ::-webkit-scrollbar-track {
            background: var(--light);
            border-radius: 4px;
        }
        
        
        ::-webkit-scrollbar-thumb {
            background: var(--gray);
            border-radius: 4px;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: var(--gray);
        }
        
        
        .company-logo {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            object-fit: contain;
            background: #fff;
            padding: 5px;
            box-shadow: 0 4px 10px var(--gray-light);
            transition: all 0.3s ease;
        }
        
         
        .company-logo:hover {
            transform: scale(1.1) rotate(5deg);
        }
        
        .floating {
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        
        .gradient-text {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        
        .progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            z-index: 1000;
            transition: width 0.2s ease;
        }
        
        @media print {
            .no-print {
                display: none !important;
            }
            
            body {
                background-color: #ffffff !important;
                color: #000000 !important;
            }
            
            .resume-card {
                box-shadow: none !important;
                border: 1px solid var(--light) !important;
            }
            
            .resume-card::before {
                display: none;
            }
            
            
            .profile-img {
                border: 3px solid #e5e7eb !important;
            }
            
            .company-logo {
                box-shadow: none;
                border: 1px solid #e5e7eb;
            }
        }
        
        header {
            padding: 24px 0;
        }
        
        header .flex-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        header h1 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
        }
        
        
        header .button-group {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        
        header .nav-tabs {
            display: flex;
            gap: 8px;
            margin: 24px 0 15px 0;
            overflow-x: auto;
            padding-bottom: 8px;
        }
        
        .content-container {
            padding-bottom: 48px;
        }
        
        .layout-grid {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        
        @media (min-width: 1024px) {
            .layout-grid {
                flex-direction: row;
            }
            
            .sidebar {
                width: 33.333%;
            }
            
            .main-content {
                width: 66.667%;
            }
        }
        
        .resume-card.padding {
            padding: 24px;
        }
        
        .resume-card.margin-bottom {
            margin-bottom: 24px;
        }
        
        .text-center {
            text-align: center;
        }
        
        .profile-info p {
            color: var(--gray-dark);
            font-size: 16px;
        }

        
        .profile-info .quote {
            color: var(--gray);
            font-size: 14px;
            font-style: italic;
            margin-top: 8px;
        }
        
        
        .section-heading {
            font-size: 18px;
            font-weight: 600;
            color: var(--darker);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .contact-info {
            margin-top: 24px;
        }
        
        .contact-info .items {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        
        .contact-info .item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--gray);
        }
        
        
        .contact-info .item a {
            color: var(--primary);
        }

        
        .contact-info .item a:hover {
            text-decoration: underline;
        }
        
        .contact-info .item i {
            color: var(--primary);
        }
        
        
        .languages-section {
            margin-top: 24px;
        }
        
        .languages-section .items {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .language-item .label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 4px;
        }
        
        .language-item .label span {
            color: var(--gray);
            font-size: 14px;
        }
        

        .social-profiles {
            margin-top: 24px;
        }
        
        .social-profiles .links {
            display: flex;
            gap: 12px;
        }
        
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        
        .education-section .items {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        
        .experience-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        
        .experience-section .items {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        
        .timeline-item .header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            margin-bottom: 8px;
        }
        
        .timeline-item .header h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--dark);
        }
        
        .timeline-item .header p {
            color: var(--gray-dark);
        }

        
        .timeline-item .description {
            color:var(--gray-dark);
            margin-top: 8px;
        }

        
        .timeline-item .projects {
            margin-top: 12px;
        }
        
        .timeline-item .projects h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--gray-dark);
        }

        
        .timeline-item .projects ul {
            list-style: disc;
            padding-left: 20px;
            margin-top: 4px;
        }
        
        .timeline-item .projects ul li a {
            color: var(--primary);
        }
        
        
        .timeline-item .projects ul li a:hover {
            text-decoration: underline;
        }

        /* Loading Animation */
        .btn-loading {
            position: relative;
            color: transparent !important;
        }

        .btn-loading:after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            top: 50%;
            left: 50%;
            margin: -10px 0 0 -10px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 0.8s ease infinite;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            position: relative;
            overflow: hidden;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: 0.5s;
        }

        .btn:hover::before {
            left: 100%;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            box-shadow: var(--shadow);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        /* Reviews Section */
        #reviews {
            padding: 6rem 0;
            background: linear-gradient(to bottom, rgba(99, 102, 241, 0.03), rgba(16, 185, 129, 0.03));
        }

        .dark-mode #reviews {
            background: linear-gradient(to bottom, rgba(17, 24, 39, 0.7), rgba(17, 24, 39, 0.9));
        }

        .reviews-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .reviews-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .review-card {
            background: var(--lighter);
            padding: 2rem;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .review-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .review-card:hover::before {
            width: 100%;
            opacity: 0.05;
        }

        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .reviewer-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.5rem;
        }

        .reviewer-details h4 {
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--dark);
        }

        .reviewer-details p {
            color: var(--gray);
            font-size: 0.9rem;
        }

        .review-content {
            position: relative;
        }

        .review-content p {
            font-style: italic;
            color: var(--dark);
            line-height: 1.7;
        }

        .review-content::before,
        .review-content::after {
            content: '"';
            font-size: 3rem;
            color: var(--primary);
            opacity: 0.2;
            line-height: 0;
            position: absolute;
        }

        .review-content::before {
            top: -0.5rem;
            left: -1rem;
        }

        .review-content::after {
            bottom: -2rem;
            right: -1rem;
        }

        .review-actions {
            text-align: center;
        }

        /* About Section */
        #about {
            padding: 6rem 0;
        }

        .about-content {
            display: flex;
            align-items: center;
            gap: 4rem;
        }

        .about-image {
            flex: 1;
            position: relative;
        }

        .about-image::before {
            content: '';
            position: absolute;
            top: -20px;
            left: -20px;
            width: 100%;
            height: 100%;
            border: 3px solid var(--primary);
            border-radius: var(--radius-xl);
            z-index: -1;
            transition: var(--transition);
        }

        .about-image:hover::before {
            top: 0;
            left: 0;
        }

        .about-image img {
            width: 100%;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            transition: var(--transition);
        }

        .about-image:hover img {
            transform: translateY(-5px);
        }

        .about-text {
            flex: 1;
        }

        .about-info {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.5rem;
            margin: 1rem 0;
        }

        .info-item {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
            padding: 0.5rem;
            background: var(--lighter);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }


        .info-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .info-item h4 {
            color: var(--gray);
            font-weight: 500;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }


        .info-item p {
            font-weight: 600;
            color: var(--dark);
        }

        /* Skills Section */
        #skills {
            padding: 6rem 0;
            background-color: var(--light);
            position: relative;
            overflow: hidden;
        }

        .skills-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.5rem;
        }

        .skill-category {
            background: var(--lighter);
            padding: 1.5rem;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .skill-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            transition: var(--transition);
        }

        .skill-category:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .skill-category:hover::before {
            width: 100%;
            opacity: 0.05;
        }

        .dark-mode .skill-category {
            background: var(--gray-light);
        }

        .skill-category h3 {
            text-align: center;
            margin-bottom: 2rem;
            color: var(--primary);
            position: relative;
            z-index: 1;
        }

        .skills-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.5rem;
        }

        .skill-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem;
            background: rgba(99, 102, 241, 0.1);
            border-radius: var(--radius);
            transition: var(--transition);
            position: relative;
            z-index: 1;
        }

        .dark-mode .skill-item {
            background: rgba(255, 255, 255, 0.1);
        }

        .skill-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
            background: rgba(99, 102, 241, 0.15);
        }

        .skill-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
            background: var(--lighter);
            border-radius: 10px;
            box-shadow: var(--shadow-sm);
        }

        .dark-mode .skill-icon {
            background: var(--light);
        }

        /* Services Section */
        #services {
            padding: 6rem 0;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
        }

        .service-card {
            background: var(--lighter);
            padding: 2.5rem;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .service-card:hover::before {
            height: 100%;
            opacity: 0.03;
        }

        .dark-mode .service-card {
            background: var(--gray-light);
        }

        .service-icon {
            width: 70px;
            height: 70px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
            transition: var(--transition);
        }

        .service-card:hover .service-icon {
            transform: scale(1.1) rotate(5deg);
            background: var(--primary);
            color: white;
        }

        .service-card h3 {
            position: relative;
            z-index: 1;
        }

        .service-card p {
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
        }

        .service-card ul {
            list-style: none;
            position: relative;
            z-index: 1;
        }

        .service-card ul li {
            padding: 0.5rem 0;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }

        .service-card ul li::before {
            content: '✓';
            color: var(--secondary);
            font-weight: bold;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background: rgba(16, 185, 129, 0.1);
            border-radius: 50%;
            font-size: 0.8rem;
        }

        /* Portfolio Section */
        #portfolio {
            padding: 6rem 0;
            background-color: rgba(99, 102, 241, 0.05);
        }

        .dark-mode #portfolio {
            background-color: rgba(17, 24, 39, 0.5);
        }

        .portfolio-filters {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 3rem;
        }

        .filter-btn {
            padding: 0.8rem 1.8rem;
            background: var(--lighter);
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
            box-shadow: var(--shadow-sm);
        }

        .dark-mode .filter-btn {
            background: var(--gray-light);
            color: var(--dark);
        }

        .filter-btn:hover,
        .filter-btn.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 2.5rem;
        }

        .portfolio-item {
            border-radius: var(--radius-xl);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .portfolio-item:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .portfolio-image {
            width: 100%;
            height: 280px;
            background: var(--gray-light);
            position: relative;
            overflow: hidden;
        }

        .dark-mode .portfolio-image {
            background: #374151;
        }

        .portfolio-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .portfolio-item:hover .portfolio-image img {
            transform: scale(1.1);
        }

        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            align-items: flex-start;
            opacity: 0;
            transition: var(--transition);
            padding: 2rem;
        }

        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }

        .portfolio-info {
            color: white;
            transform: translateY(20px);
            transition: var(--transition);
        }

        .portfolio-item:hover .portfolio-info {
            transform: translateY(0);
        }

        .portfolio-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .portfolio-tag {
            background: var(--primary);
            color: white;
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* Contact Section */
        #contact {
            padding: 6rem 0;
        }

        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 4rem;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 1.5rem;
            padding: 1.5rem;
            background: var(--lighter);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .contact-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
            background: var(--lighter);
        }

        .dark-mode .contact-item {
            background: var(--gray-light);
        }

        .contact-icon {
            width: 60px;
            height: 60px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .contact-form {
            background: var(--lighter);
            padding: 2.5rem;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
        }

        .dark-mode .contact-form {
            background: var(--gray-light);
        }

        .form-group {
            margin-bottom: 1rem;
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.8rem;
            font-weight: 500;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 1rem 1.2rem;
            border: 2px solid var(--gray-light);
            border-radius: var(--radius);
            font-family: inherit;
            transition: var(--transition);
            background: var(--lighter);
            color: var(--dark);
        }

        .dark-mode .form-control {
            background: var(--light);
            border-color: var(--gray-light);
            color: var(--dark);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
        }

        textarea.form-control {
            min-height: 180px;
            resize: vertical;
        }

        /* Footer */
        footer {
            background: var(--darker);
            color: white;
            padding: 4rem 0 2rem;
        }

        .dark-mode footer {
            background: #0f172a;
        }

        .footer-container {
            display: flex;
            flex-direction: column;
            gap: 3rem;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .social-links {
            display: flex;
            gap: 1.2rem;
        }

        .social-link {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--lighter);
            text-decoration: none;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            font-size: 1.3rem;
        }

        .social-link:hover {
            background: var(--primary);
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 3rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Modal */
        .modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .modal.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background: var(--lighter);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            width: 90%;
            max-width: 500px;
            box-shadow: var(--shadow-lg);
            transform: translateY(-50px);
            transition: var(--transition);
            position: relative;
        }

        .modal.active .modal-content {
            transform: translateY(0);
        }

        .dark-mode .modal-content {
            background: var(--gray-light);
        }

        .modal-close {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }

        .modal-close:hover {
            color: var(--primary);
            transform: rotate(90deg);
        }

        .modal-header {
            margin-bottom: 2rem;
        }

        .modal-header h3 {
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

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

        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

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

        .delay-1 { transition-delay: 0.1s; }
        .delay-2 { transition-delay: 0.2s; }
        .delay-3 { transition-delay: 0.3s; }
        .delay-4 { transition-delay: 0.4s; }
        .delay-5 { transition-delay: 0.5s; }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: var(--primary-dark);
            transform: translateY(-5px);
        }

        /* Loading Animation */
        .loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }

        .dark-mode .loader {
            background: var(--darker);
        }

        .loader.hidden {
            opacity: 0;
            visibility: hidden;
        }

        .loader-spinner {
            width: 50px;
            height: 50px;
            border: 5px solid rgba(99, 102, 241, 0.2);
            border-radius: 50%;
            border-top: 5px solid var(--primary);
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Notification */
        .notification {
            position: fixed;
            top: 100px;
            right: 30px;
            padding: 1rem 1.5rem;
            background: white;
            color: var(--dark);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 1rem;
            transform: translateX(100%);
            opacity: 0;
            transition: transform 0.3s ease, opacity 0.3s ease;
            z-index: 1000;
        }

        .notification.success {
            background: var(--secondary);
            color: white;
        }

        .notification.error {
            background: #ef4444;
            color: white;
        }

        .notification.visible {
            transform: translateX(0);
            opacity: 1;
        }

        /* Responsive Design */
        @media (max-width: 1200px) {
            .container {
                max-width: 960px;
            }
        }

        @media (max-width: 992px) {
            h1 {
                font-size: 3.2rem;
            }
            
            .hero-content,
            .about-content {
                flex-direction: column;
                text-align: center;
                gap: 3rem;
            }
            
            .hero-badge {
                right: 50%;
                transform: translateX(50%);
            }

            .nav-links {
                gap: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2.8rem;
            }

            h2 {
                font-size: 1.8rem;
            }

            .section-title h2 {
                font-size: 2.2rem;
            }

            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            
            .mobile-menu {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                height: calc(100vh - 80px);
                background: var(--lighter);
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 2.5rem;
                transition: var(--transition);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                z-index: 999;
            }
            
            .dark-mode .mobile-menu {
                background: var(--light);
            }
            
            .mobile-menu.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .mobile-menu a {
                font-size: 1.2rem;
                font-weight: 600;
                color: var(--dark);
                text-decoration: none;
                transition: var(--transition);
            }

            .dark-mode .mobile-menu a {
                color: var(--dark);
            }

            .mobile-menu a:hover {
                color: var(--primary);
            }
            
            .about-info {
                grid-template-columns: 1fr;
            }
            
            .skills-grid {
                grid-template-columns: 1fr;
            }

            .portfolio-grid {
                grid-template-columns: 1fr;
            }

            .contact-container {
                grid-template-columns: 1fr;
            }

            .footer-top {
                flex-direction: column;
                gap: 2rem;
                text-align: center;
            }
             .reviews-grid {
                grid-template-columns: 1fr;
            }
            
            .page-header h1 {
                font-size: 2rem;
            }
            
            .form-intro {
                text-align: center;
            }
            
            #review-form {
                padding: 20px;
            }
        }

        @media (max-width: 576px) {
            h1 {
                font-size: 2.4rem;
            }

            .container {
                padding: 0 1rem;
            }

            .btn {
                padding: 0.9rem 2rem;
            }

            .image-container {
                width: 280px;
                height: 280px;
            }

            .hero-badge {
                bottom: 15px;
                padding: 0.6rem 1.2rem;
                font-size: 0.9rem;
            }

            .modal-content {
                padding: 1.5rem;
            }
        }

        /* Utility Classes */
        .text-primary {
            color: var(--primary);
        }

        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .text-caption { font-size:2rem; font-weight:900; }
        .text-designation { font-size:1.5rem; font-weight:500; color: var(--gray-dark); }
        .text-designation span { color: var(--secondary); }

        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mb-4 { margin-bottom: 4rem; }

        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .mt-4 { margin-top: 4rem; }

        .text-center { text-align: center; }

        .py-1 { padding: 1rem 0; }
        .py-2 { padding: 2rem 0; }
        .py-3 { padding: 3rem 0; }
        .py-4 { padding: 4rem 0; }