/* Premium Homepage Styles */
        :root {
            --primary: #6366f1;
            --primary-light: #818cf8;
            --primary-dark: #4f46e5;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --success: #10b981;
            --text: #1f2937;
            --text-light: #6b7280;
            --text-muted: #9ca3af;
            --surface: #ffffff;
            --surface-alt: #f9fafb;
            --border: #e5e7eb;
            --shadow: rgba(0, 0, 0, 0.1);
            --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-warm: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
            --space-xs: 0.25rem;
            --space-sm: 0.5rem;
            --space-md: 1rem;
            --space-lg: 1.5rem;
            --space-xl: 2rem;
            --space-2xl: 3rem;
            --space-3xl: 4rem;
            --radius: 0.5rem;
            --radius-lg: 1rem;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: var(--surface);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
		
		/* Custom scrollbar for mission planning panel */
			.destination-grid::-webkit-scrollbar {
				width: 10px;
				background-color: rgba(0, 212, 255, 0.05);
				border-radius: 4px;
			}

			.destination-grid::-webkit-scrollbar-thumb {
				background: linear-gradient(135deg, var(--nebula-purple), var(--space-blue));
				border-radius: 4px;
				border: 2px solid var(--space-dark);
				background-clip: padding-box;
			}

			.destination-grid::-webkit-scrollbar-thumb:hover {
				background: linear-gradient(135deg, var(--space-blue), var(--nebula-purple));
			}

			.destination-grid::-webkit-scrollbar-track {
				background: var(--space-dark);
				border-radius: 4px;
				margin: 4px 0;
			}

			.destination-grid::-webkit-scrollbar-corner {
				background: transparent;
			}

			/* Smooth scrolling behavior */
			.destination-grid {
				scrollbar-width: thin;
				scrollbar-color: var(--space-blue) var(--space-dark);
				scroll-behavior: smooth;
				overscroll-behavior: contain;
			}

			/* Add subtle glow effect on scroll thumb */
			.destination-grid::-webkit-scrollbar-thumb {
				box-shadow: inset 0 0 6px rgba(0, 212, 255, 0.3);
			}

			/* Add transition for smooth hover effects */
			.destination-grid::-webkit-scrollbar-thumb {
				transition: all 0.3s ease;
			}

			/* Firefox scrollbar styling */
			@supports (scrollbar-color: auto) {
				.destination-grid {
					scrollbar-color: var(--space-blue) var(--space-dark);
					scrollbar-width: thin;
				}
			}

			/* Add space-themed scrollbar indicators */
			.destination-grid {
				position: relative;
			}

			.destination-grid::before,
			.destination-grid::after {
				content: '';
				position: absolute;
				left: 0;
				right: 10px;
				height: 20px;
				background: linear-gradient(to bottom, var(--space-dark), transparent);
				z-index: 1;
				pointer-events: none;
				border-radius: var(--radius) var(--radius) 0 0;
			}

			.destination-grid::before {
				top: 0;
			}

			.destination-grid::after {
				bottom: 0;
				background: linear-gradient(to top, var(--space-dark), transparent);
				border-radius: 0 0 var(--radius) var(--radius);
			}
		
		/* Enhanced glassmorphism effects */
        .glass-card {
            background: rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
        }

        /* Gesture animations */
        .swipe-hint {
            position: absolute;
            bottom: var(--space-xl);
            left: 50%;
            transform: translateX(-50%);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            animation: bounce 2s infinite;
        }

        @keyframes bounce {

            0%,
            20%,
            50%,
            80%,
            100% {
                transform: translateX(-50%) translateY(0);
            }

            40% {
                transform: translateX(-50%) translateY(-10px);
            }

            60% {
                transform: translateX(-50%) translateY(-5px);
            }
        }

        /* Loading states */
        .loading-shimmer {
            background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: shimmer 2s infinite;
        }

        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }

            100% {
                background-position: 200% 0;
            }
        }

        /* Floating Particles Background */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .particle {
            position: absolute;
            background: rgba(99, 102, 241, 0.1);
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {

            0%,
            100% {
                transform: translateY(0px) rotate(0deg);
            }

            50% {
                transform: translateY(-20px) rotate(180deg);
            }
        }

/* Animations */
        @keyframes slideInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        @keyframes pulse {

            0%,
            100% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.05);
            }
        }
		
		/* Mobile optimizations */
        @media (max-width: 768px) {
            .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--background-dark);
        flex-direction: column;
        padding: 20px;
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
		.nav-links.active {
        right: 0;
		}
		
		.mobile-menu-btn {
			display: flex;
			z-index: 1001;
		}
		
		.mobile-menu-btn span {
			background: var(--text-primary);
			height: 2px;
			width: 24px;
			display: block;
			transition: all 0.3s ease;
		}
		
		.mobile-menu-btn.active span:nth-child(1) {
			transform: rotate(45deg) translate(5px, 5px);
		}
		
		.mobile-menu-btn.active span:nth-child(2) {
			opacity: 0;
		}
		
		.mobile-menu-btn.active span:nth-child(3) {
			transform: rotate(-45deg) translate(5px, -5px);
		}
		
		/* Prevent scrolling when menu is open */
		body.menu-open {
			overflow: hidden;
			position: fixed;
			width: 100%;
			height: 100%;
		}

            .hero {
                padding: var(--space-2xl) 0;
                min-height: 70vh;
            }

            .hero-stats {
                flex-direction: column;
                gap: var(--space-lg);
            }

            .hero-cta {
                flex-direction: column;
                align-items: center;
            }

            .calculator-teaser {
                padding: var(--space-2xl) 0;
            }

            .input-group {
                grid-template-columns: 1fr;
                gap: var(--space-md);
                padding: var(--space-lg);
            }

            .categories-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .category-card {
                padding: var(--space-lg);
            }

            .category-header {
                flex-direction: column;
                text-align: center;
                gap: var(--space-md);
            }

            .fun-calculators-buttons {
                flex-direction: column;
                align-items: center;
            }

            .stat-item {
                padding: var(--space-md);
            }

            .stat-number {
                font-size: 2rem;
            }
			
			.converter-select {
				-webkit-appearance: none;
				-moz-appearance: none;
				appearance: none;
				padding: 12px 15px;
				font-size: 16px; /* Larger font for mobile */
			}
			
			.select-wrapper {
				position: relative;
			}
			
			.select-wrapper::after {
				content: "▼";
				font-size: 12px;
				color: var(--text-primary);
				position: absolute;
				right: 15px;
				top: 50%;
				transform: translateY(-50%);
				pointer-events: none;
			}
			
			.tab-content {
				overflow: auto;
				-webkit-overflow-scrolling: touch;
			}
        }

        @media (max-width: 480px) {
            .hero-title {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .calculator-card {
                padding: var(--space-lg);
            }

            .converter-dropdown {
                padding: var(--space-md);
            }
        }