:root {
            --primary-color: #000000;
            --secondary-color: #ffffff;
            --accent-color: #333333;
            --light-gray: #f8f9fa;
            --dark-gray: #6c757d;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--primary-color);
            background-color: var(--secondary-color);
            line-height: 1.6;
            padding-top: 80px;
        }
        
        /* Enhanced Navbar Styles */
        header {
            background-color: var(--primary-color);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            transition: var(--transition);
        }
        
        .navbar {
            padding: 0;
        }
        
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            letter-spacing: 1.5px;
            color: var(--secondary-color) !important;
            transition: var(--transition);
            position: relative;
            padding: 15px 0;
        }
        
        .navbar-brand img {
            transition: var(--transition);
        }
        
        .navbar-brand:hover img {
            transform: scale(1.05);
        }
        
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 5px 10px;
        }
        
        .navbar-toggler:focus {
            box-shadow: none;
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        .navbar-nav {
            gap: 10px;
        }
        
        .nav-link {
            color: rgba(255, 255, 255, 0.85) !important;
            font-weight: 600;
            padding: 15px 20px !important;
            position: relative;
            transition: var(--transition);
            border-radius: 4px;
        }
        
        .nav-link::before {
            content: '';
            position: absolute;
            width: 0;
            height: 100%;
            top: 0;
            left: 0;
            background: linear-gradient(135deg, #333333, #000000);
            transition: var(--transition);
            z-index: -1;
            border-radius: 4px;
        }
        
        .nav-link:hover {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        
        .nav-link:hover::before {
            width: 100%;
        }
        
        .nav-link.active {
            color: var(--secondary-color) !important;
            background: linear-gradient(135deg, #333333, #000000);
            border-radius: 4px;
        }
        
        .nav-link.active::before {
            width: 100%;
        }
        
        /* Hero Slider Styles */
        .hero-slider {
            position: relative;
            height: 100vh;
            overflow: hidden;
        }
        
        .slider-container {
            position: relative;
            width: 100%;
            height: 100%;
        }
        
        .slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
        }
        
        .slide.active {
            opacity: 1;
        }
        
        .slide-content {
            max-width: 600px;
            padding: 0 40px;
            color: var(--secondary-color);
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
            animation: fadeInUp 1s ease;
        }
        
        .slide-content h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .slide-content p {
            font-size: 1.2rem;
            margin-bottom: 30px;
        }
        
        .btn-custom {
            background-color: var(--primary-color);
            color: var(--secondary-color);
            border: 2px solid var(--primary-color);
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 4px;
            transition: var(--transition);
        }
        
        .btn-custom:hover {
            background-color: transparent;
            color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .slider-controls {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 10;
        }
        
        .slider-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .slider-dot.active {
            background-color: var(--secondary-color);
            transform: scale(1.2);
        }
        
        .slider-arrows {
            position: absolute;
            top: 50%;
            width: 100%;
            display: flex;
            justify-content: space-between;
            padding: 0 20px;
            transform: translateY(-50%);
            z-index: 10;
        }
        
        .slider-arrow {
            width: 50px;
            height: 50px;
            background-color: rgba(0, 0, 0, 0.5);
            color: var(--secondary-color);
            border: none;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .slider-arrow:hover {
            background-color: rgba(0, 0, 0, 0.8);
            transform: scale(1.1);
        }
        
        /* Categories Section */
        .section-title {
            text-align: center;
            margin: 60px 0 40px;
            position: relative;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 3px;
            background-color: var(--primary-color);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .category-card {
            background-color: var(--secondary-color);
            border: 1px solid #e0e0e0;
            border-radius: 0;
            transition: var(--transition);
            margin-bottom: 30px;
            overflow: hidden;
            height: 100%;
        }
        
        .category-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .category-img {
            height: 200px;
            overflow: hidden;
        }
        
        .category-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .category-card:hover .category-img img {
            transform: scale(1.1);
        }
        
        .category-card-body {
            padding: 20px;
        }
        
        .category-card-title {
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        /* Products Section */
        .product-card {
            background-color: var(--secondary-color);
            border: 1px solid #e0e0e0;
            border-radius: 0;
            transition: var(--transition);
            margin-bottom: 30px;
            overflow: hidden;
            height: 100%;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .product-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        
        .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .product-card:hover .product-img img {
            transform: scale(1.1);
        }
        
        .product-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: var(--transition);
        }
        
        .product-card:hover .product-overlay {
            opacity: 1;
        }
        
        .product-card-body {
            padding: 20px;
        }
        
        .product-card-title {
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .product-price {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        
        /* About Section */
        .about-section {
            padding: 80px 0;
            background-color: var(--light-gray);
        }
        
        .company-description {
            background-color: var(--secondary-color);
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 50px;
        }
        
        .company-description h3 {
            margin-bottom: 20px;
            color: var(--primary-color);
            font-weight: 700;
        }
        
        .leader-profile {
            background-color: var(--secondary-color);
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
            transition: var(--transition);
            text-align: center;
            margin-bottom: 30px;
        }
        
        .leader-profile:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .leader-image {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            overflow: hidden;
            margin: 0 auto 20px;
            border: 5px solid var(--light-gray);
        }
        
        .leader-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .leader-info h3 {
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .leader-position {
            color: var(--primary-color);
            font-weight: 600;
            margin-bottom: 15px;
            font-size: 1.1rem;
        }
        
        .leader-quote {
            font-style: italic;
            color: var(--dark-gray);
            margin-bottom: 20px;
            padding: 15px;
            background-color: var(--light-gray);
            border-radius: 8px;
            position: relative;
        }
        
        .leader-quote:before {
            content: '"';
            font-size: 3rem;
            color: var(--primary-color);
            position: absolute;
            top: -10px;
            left: 10px;
            opacity: 0.3;
        }
        
        .leader-contact {
            margin-top: 20px;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 10px;
            color: var(--dark-gray);
        }
        
        .contact-item i {
            margin-right: 10px;
            color: var(--primary-color);
        }
        
        /* Product Modal Styles */
        .modal-content {
            border-radius: 8px;
            border: none;
        }
        
        .modal-header {
            background-color: var(--primary-color);
            color: var(--secondary-color);
            border-bottom: none;
            padding: 20px;
        }
        
        .modal-header .btn-close {
            filter: invert(1);
        }
        
        .modal-body {
            padding: 30px;
        }
        
        .product-modal-img {
            width: 100%;
            height: 300px;
            object-fit: contain;
            margin-bottom: 20px;
            background-color: #f9f9f9;
            border-radius: 8px;
            padding: 20px;
        }
        
        .product-modal-title {
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        .product-modal-price {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .product-modal-description {
            margin-bottom: 20px;
            line-height: 1.7;
        }
        
        .product-modal-features {
            margin-bottom: 20px;
        }
        
        .product-modal-features h5 {
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .product-modal-features ul {
            padding-left: 20px;
        }
        
        .product-modal-features li {
            margin-bottom: 8px;
        }
        
        .product-modal-specs {
            margin-bottom: 20px;
        }
        
        .product-modal-specs h5 {
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .specs-table {
            width: 100%;
            border-collapse: collapse;
        }
        
        .specs-table tr {
            border-bottom: 1px solid #e0e0e0;
        }
        
        .specs-table td {
            padding: 10px 0;
        }
        
        .specs-table td:first-child {
            font-weight: 600;
            width: 40%;
            color: var(--accent-color);
        }
        
        /* Footer */
        footer {
            background-color: var(--primary-color);
            color: var(--secondary-color);
            padding: 60px 0 20px;
        }
        
        .footer-links h5 {
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
            font-weight: 600;
        }
        
        .footer-links h5::after {
            content: '';
            position: absolute;
            width: 40px;
            height: 2px;
            background-color: var(--secondary-color);
            bottom: 0;
            left: 0;
        }
        
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        
        .footer-links ul li {
            margin-bottom: 10px;
        }
        
        .footer-links ul li a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links ul li a:hover {
            color: var(--dark-gray);
            padding-left: 5px;
        }
        
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background-color: var(--secondary-color);
            color: var(--primary-color);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            transition: var(--transition);
        }
        
        .social-icons a:hover {
            background-color: var(--dark-gray);
            color: var(--secondary-color);
            transform: translateY(-5px);
        }
        
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
        }
        
        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .fade-in {
            animation: fadeIn 1s ease;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .slide-content h1 {
                font-size: 2.5rem;
            }
            
            .slide-content p {
                font-size: 1rem;
            }
            
            .section-title {
                margin: 40px 0 20px;
            }
            
            .slider-arrows {
                display: none;
            }
            
            .leader-image {
                width: 120px;
                height: 120px;
            }
            
            .company-description {
                padding: 25px;
            }
        }
        .brand h1 {
          display: inline;
          color: #25668f;
          font-size: 32px;
        }
        .brand span {
          font-size: 32px;
          font-weight: bold;
        }
        /* ---------- Footer ---------- */
.footer-contact {
  text-align: center;
  font-size: 16px;
  color: #222;
  margin-top: 40px;
}

.footer-contact .developer {
  color: #25668f;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}

/* ---------- Modal Overlay ---------- */
#contactModal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.6);
}

/* ---------- Modal Box ---------- */
.modal-content1 {
  background-color: #fff;
  margin: 10% auto;
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
  text-align: center;
  box-shadow: 0 0 15px rgba(0,0,0,0.3);
  animation: fadeIn 0.3s ease-in-out;
  padding: 50px;
}

/* ---------- Buttons ---------- */
.modal-content1 a {
  display: block;
  margin: 10px auto;
  padding: 5px 5px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
  border: 1px solid #25668f;
  color: #25668f;
  width: 70%;
}

.modal-content1 a:hover {
  background-color: #25668f;
  color: white;
}

/* ---------- Close Button ---------- */
.close-btn {
  background: #ccc;
  border: none;
  color: #333;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
}

.close-btn:hover {
  background: #aaa;
  color: #fff;
}

/* ---------- Animation ---------- */
@keyframes fadeIn {
  from {opacity: 0; transform: scale(0.95);}
  to {opacity: 1; transform: scale(1);}
}