:root {
            --primary-color: #1a4d2e;
            --secondary-color: #c9a227;
            --dark-color: #0d1b2a;
            --light-color: #f8f9fa;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--dark-color);
        }

        .navbar {
            background: rgba(26, 77, 46, 0.95) !important;
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }

        .navbar-brand {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--secondary-color) !important;
        }

        .nav-link {
            color: white !important;
            margin: 0 0.5rem;
            transition: color 0.3s ease;
        }

        .nav-link:hover {
            color: var(--secondary-color) !important;
        }

        .language-switcher {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-left: 1rem;
        }

        .language-switcher button {
            background: transparent;
            border: 2px solid var(--secondary-color);
            color: white;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
        }

        .language-switcher button:hover {
            background: var(--secondary-color);
            transform: translateY(-2px);
        }

        .language-switcher button.active {
            background: var(--secondary-color);
        }

        .hero-section {
            color: white;
            position: relative;
            overflow: hidden;
        }

        .carousel-slide {
            min-height: 600px;
            display: flex;
            align-items: center;
            position: relative;
        }

        .carousel-indicators button {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            margin: 0 5px;
            background-color: var(--secondary-color);
            opacity: 0.5;
            border: 2px solid white;
        }

        .carousel-indicators button.active {
            opacity: 1;
            transform: scale(1.2);
        }

        .carousel-control-prev-icon,
        .carousel-control-next-icon {
            width: 50px;
            height: 50px;
            background-color: rgba(201, 162, 39, 0.7);
            border-radius: 50%;
        }

        .carousel-control-prev:hover .carousel-control-prev-icon,
        .carousel-control-next:hover .carousel-control-next-icon {
            background-color: var(--secondary-color);
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            animation: fadeInUp 1s ease;
        }

        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            animation: fadeInUp 1s ease 0.2s backwards;
        }

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

        .btn-primary-custom {
            background: var(--secondary-color);
            border: none;
            padding: 12px 35px;
            font-size: 1.1rem;
            border-radius: 50px;
            transition: all 0.3s ease;
            animation: fadeInUp 1s ease 0.4s backwards;
        }

        .btn-primary-custom:hover {
            background: #b08f1f;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(201, 162, 39, 0.3);
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--secondary-color);
        }

        .service-card {
            border: none;
            border-radius: 15px;
            padding: 2rem;
            height: 100%;
            transition: all 0.3s ease;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }

        .service-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 2rem;
        }

        .mineral-card {
            background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
            color: white;
            border-radius: 15px;
            padding: 2rem;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
        }

        .mineral-card:hover {
            transform: scale(1.05);
        }

        .stats-section {
            background: var(--primary-color);
            color: white;
            padding: 80px 0;
        }

        .stat-box {
            text-align: center;
            padding: 2rem;
        }
        .stat-box:hover {
            transform: translateY(-5px);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--secondary-color);
        }

        .stat-label {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        .contact-section {
            background: var(--light-color);
            padding: 80px 0;
        }

        .contact-info {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            margin-bottom: 1.5rem;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: var(--secondary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.3rem;
        }

        .contact-form-wrapper {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .contact-form-wrapper h3 {
            color: var(--primary-color);
            font-weight: 700;
        }

        .form-label {
            font-weight: 600;
            color: var(--dark-color);
            margin-bottom: 0.5rem;
        }

        .form-control, .form-select {
            border: 2px solid #e0e0e0;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .form-control:focus, .form-select:focus {
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 0.2rem rgba(201, 162, 39, 0.25);
        }

        .form-control:hover, .form-select:hover {
            border-color: var(--primary-color);
        }

        #formMessage {
            padding: 1rem;
            border-radius: 8px;
            font-weight: 600;
        }

        #formMessage.success {
            background-color: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        #formMessage.error {
            background-color: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }

        footer {
            background: var(--dark-color);
            color: white;
            padding: 3rem 0 1rem;
        }

        .footer-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--secondary-color);
        }

        .social-icons a {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: white;
            margin: 0 0.5rem;
            transition: all 0.3s ease;
        }

        .social-icons a:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
        }
     
        .whatsapp_float {
            position: fixed;
            width: 60px;
            height: 60px;
            bottom: 20px;
            right: 20px;
            background-color: #25D366;
            border-radius: 50%;
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            transition: transform 0.3s ease;
        }
        .whatsapp_float:hover {
            transform: scale(1.1);
        }
        .whatsapp_float img {
            width: 35px;
            height: 35px;
        }

        .minerals-btn {
            background: var(--secondary-color);
            color: #fff;
            font-weight: 600;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(0, 123, 255, 0.3);
        }
        .minerals-btn:hover {
            background: var(--primary-color);
            box-shadow: 0 5px 15px rgba(0, 86, 179, 0.4);
            transform: translateY(-3px);
        }