/* Modern Black & White Design System */
        :root {
            --black: #000000;
            --white: #ffffff;
            --gray-900: #111111;
            --gray-800: #1a1a1a;
            --gray-700: #2d2d2d;
            --gray-600: #404040;
            --gray-500: #666666;
            --gray-400: #999999;
            --gray-300: #cccccc;
            --gray-200: #e5e5e5;
            --gray-100: #f5f5f5;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Arial', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: var(--gray-900);
            background: var(--white);
            overflow-x: hidden;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: var(--white);
            border-bottom: 1px solid var(--gray-200);
            z-index: 1000;
            transition: all 0.3s ease;
            backdrop-filter: blur(20px);
        }

        nav.scrolled {
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--black);
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            color: var(--gray-700);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background: var(--black);
            transition: width 0.3s ease;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-700) 100%);
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('https://images.unsplash.com/photo-1594882645126-14020914d58d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover;
            filter: grayscale(100%) brightness(0.3);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: var(--white);
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 6vw, 4rem);
            font-weight: 900;
            margin-bottom: 1.5rem;
            letter-spacing: -2px;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.25rem;
            margin-bottom: 3rem;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 1rem 2.5rem;
            background: var(--white);
            color: var(--black);
            text-decoration: none;
            font-weight: bold;
            border-radius: 50px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            border: 2px solid transparent;
        }

        .btn:hover {
            background: var(--black);
            color: var(--white);
            border-color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .btn.pulse {
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255,255,255,0.7); }
            70% { box-shadow: 0 0 0 10px rgba(255,255,255,0); }
            100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
        }

        /* Sections */
        section {
            padding: 6rem 0;
        }

        section:nth-child(even) {
            background: var(--gray-100);
        }

        h2 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            margin-bottom: 1rem;
            text-align: center;
            color: var(--black);
            letter-spacing: -1px;
        }

        .section-subtitle {
            text-align: center;
            color: var(--gray-600);
            font-size: 1.25rem;
            margin-bottom: 4rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* About Section */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text p {
            font-size: 1.125rem;
            margin-bottom: 1.5rem;
            color: var(--gray-700);
            line-height: 1.8;
        }

        .about-image {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .about-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            filter: grayscale(100%);
            transition: transform 0.5s ease;
        }

        .about-image:hover img {
            transform: scale(1.05);
            filter: grayscale(80%);
        }

        /* Progress Section */
        .progress {
            background: var(--black);
            color: var(--white);
        }

        .progress h2 {
            color: var(--white);
        }

        .progress-bar-container {
            background: var(--gray-800);
            height: 20px;
            border-radius: 10px;
            margin: 3rem 0;
            overflow: hidden;
            position: relative;
        }

        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--white) 0%, var(--gray-300) 100%);
            border-radius: 10px;
            transition: width 2s ease;
            position: relative;
        }

        .progress-bar::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
            animation: shimmer 2s infinite;
        }

        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        .progress-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            text-align: center;
        }

        .stat {
            padding: 2rem;
            border: 1px solid var(--gray-700);
            border-radius: 15px;
            transition: transform 0.3s ease;
        }

        .stat:hover {
            transform: translateY(-5px);
            border-color: var(--white);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--white);
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--gray-400);
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Live Tracking */
        .tracking-container {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 3rem;
        }

        .map-container {
            height: 400px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .tracking-info {
            background: var(--white);
            padding: 2rem;
            border-radius: 20px;
            border: 1px solid var(--gray-200);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        .tracking-info h3 {
            margin-bottom: 1.5rem;
            color: var(--black);
        }

        .tracking-detail {
            padding: 1rem 0;
            border-bottom: 1px solid var(--gray-200);
        }

        .tracking-detail:last-child {
            border-bottom: none;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 20px;
            text-align: center;
            border: 1px solid var(--gray-200);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0,0,0,0.05), transparent);
            transition: left 0.5s;
        }

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

        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            border-color: var(--black);
        }

        .card i {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            color: var(--black);
        }

        .card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--black);
        }

        .card p {
            color: var(--gray-600);
            line-height: 1.6;
        }

        /* Gallery */
        .gallery-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .gallery-item {
            position: relative;
            border-radius: 15px;
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .gallery-item:hover {
            transform: scale(1.02);
        }

        .gallery-item img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            filter: grayscale(100%);
            transition: filter 0.3s ease;
        }

        .gallery-item:hover img {
            filter: grayscale(70%);
        }

        .gallery-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            color: var(--white);
            padding: 2rem 1.5rem 1.5rem;
        }

        .gallery-caption h3 {
            font-size: 1.25rem;
            margin-bottom: 0.25rem;
        }

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

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            margin-bottom: 1rem;
            color: var(--white);
        }

        .footer-section a {
            color: var(--gray-300);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: var(--white);
        }

        .social-icons {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            background: var(--gray-800);
            border-radius: 50%;
            color: var(--white);
            font-size: 1.25rem;
            transition: all 0.3s ease;
        }

        .social-icons a:hover {
            background: var(--white);
            color: var(--black);
            transform: translateY(-3px);
        }

        /* Security Badge */
        .security-badge {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: var(--black);
            color: var(--white);
            padding: 0.75rem 1rem;
            border-radius: 25px;
            font-size: 0.875rem;
            z-index: 1000;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .about-content,
            .tracking-container {
                grid-template-columns: 1fr;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .container {
                padding: 0 1rem;
            }
            
            section {
                padding: 4rem 0;
            }
        }

        /* Animation Utilities */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

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

        /* Loading Animation */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            animation: fadeInUp 0.6s ease forwards;
        }