/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
    color: #004080;
}

.section-desc {
    text-align: center;
    margin-bottom: 50px;
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.bg-light {
    background-color: #fff;
}

.bg-dark {
    background-color: #2c3e50;
    color: #fff;
}

.text-white {
    color: #fff;
}

.btn {
    display: inline-block;
    padding: 10px 30px;
    background-color: #0056b3;
    color: #fff;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #004494;
}

/* Header */
.header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo h1 {
    font-size: 1.5rem;
    color: #004080;
}

.nav ul {
    display: flex;
}

.nav ul li {
    margin-left: 20px;
}

.nav ul li a {
    font-weight: 500;
    color: #555;
    transition: color 0.3s;
}

.nav ul li a:hover {
    color: #004080;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 64, 128, 0.8), rgba(0, 64, 128, 0.8)), url('https://source.unsplash.com/random/1920x1080/?technology,circuit') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    margin-top: 70px;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

/* About Section */
.about-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.advantages h3, .certifications h3 {
    margin-bottom: 15px;
    color: #004080;
    border-bottom: 2px solid #ddd;
    padding-bottom: 10px;
    display: inline-block;
}

.advantages ul li {
    margin-bottom: 10px;
}

.advantages ul li i {
    color: #28a745;
    margin-right: 10px;
}

.cert-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background-color: #e9ecef;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #495057;
    border: 1px solid #ced4da;
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    border-top: 4px solid #004080;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card h3 {
    margin-bottom: 15px;
    color: #333;
}

.product-features h3 {
    text-align: center;
    margin-bottom: 30px;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    text-align: center;
}

.feature-item {
    padding: 20px;
}

.feature-item i {
    font-size: 2.5rem;
    color: #004080;
    margin-bottom: 15px;
}

.feature-item h4 {
    margin-bottom: 10px;
}

/* Solutions Section */
.solutions-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.solution-block h3 {
    margin-bottom: 20px;
    color: #004080;
}

.app-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

.app-list li {
    background: #fff;
    padding: 15px;
    border-left: 4px solid #28a745;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.solution-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.detail-card {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.detail-card h4 {
    color: #004080;
    margin-bottom: 15px;
    font-size: 1.2rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.detail-card p {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

/* Contact Section */
.contact-info {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 30px;
}

.contact-item {
    text-align: center;
}

.contact-item i {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #00bcd4;
}

/* Footer */
.footer {
    background-color: #222;
    color: #aaa;
    text-align: center;
    padding: 20px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        height: auto;
        padding: 10px 20px;
    }

    .nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav ul li {
        margin: 5px 10px;
    }

    .hero {
        margin-top: 100px;
        height: 60vh;
    }

    .hero h2 {
        font-size: 2rem;
    }
}