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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Image loading and error states */
img[src=""],
img:not([src]) {
    opacity: 0.3;
    background-color: #f0f0f0;
}

img.error {
    background-color: #f8f9fa;
    border: 2px dashed #ddd;
    opacity: 0.5;
}

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

/* Navigation */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    height: 40px;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-menu li {
    margin-left: 2rem;
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #00adee;
}

.nav-dropdown .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 300px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 20px;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.nav-dropdown:hover .dropdown-content {
    display: grid;
}

.dropdown-section h4 {
    color: #00adee;
    margin-bottom: 10px;
    font-size: 14px;
    text-transform: uppercase;
}

.dropdown-section a {
    display: block;
    padding: 5px 0;
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.dropdown-section a:hover {
    color: #00adee;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    height: calc(100vh - 70px);
    margin-top: 70px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 2;
    position: relative;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.cta-button {
    display: inline-block;
    background: #00adee;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    background: #0099d4;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 173, 238, 0.4);
}

/* Devices Section */
.devices-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #00adee;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: #00adee;
    margin: 20px auto;
}

.product-category {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 173, 238, 0.1), transparent);
    transition: left 0.5s;
}

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

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    object-position: center;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: block;
    padding: 10px;
}

.product-card h4 {
    font-size: 1.5rem;
    color: #00adee;
    margin-bottom: 1rem;
}

.product-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

.product-link {
    display: inline-block;
    background: #00adee;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.product-link:hover {
    background: #0099d4;
    transform: scale(1.05);
}

/* Action Section */
.action-section {
    background: #00adee;
    color: white;
    padding: 60px 0;
    text-align: center;
}

.action-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.action-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.action-section .cta-button {
    background: white;
    color: #00adee;
}

.action-section .cta-button:hover {
    background: #f8f9fa;
    color: #0099d4;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: white;
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    color: #333;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
    display: block;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00adee;
}

.form-group select {
    cursor: pointer;
}

.g-recaptcha {
    margin: 20px 0;
    display: flex;
    justify-content: center;
}

.submit-button {
    width: 100%;
    background: #00adee;
    color: white;
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-button:hover {
    background: #0099d4;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 173, 238, 0.4);
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
}

.footer-section h4 {
    color: #00adee;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

.footer-section ul li a:hover {
    color: #00adee;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #ccc;
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .nav-dropdown .dropdown-content {
        position: static;
        display: block;
        box-shadow: none;
        background: #f8f9fa;
        margin-top: 1rem;
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-card {
        padding: 1.5rem;
    }
}