/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary-color: #0056b3; /* N SYS Blue */
    --secondary-color: #333; /* Dark Grey */
    --accent-color: #00aaff; /* Light Blue from logo curve */
    --light-bg: #f4f4f4;
    --white: #fff;
}

body {
    line-height: 1.6;
    color: var(--secondary-color);
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 10px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    margin: auto;
}

.logo img {
    height: 60px; /* Adjust based on your logo file */
}

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

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

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: bold;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 86, 179, 0.8), rgba(0, 86, 179, 0.8)), url('https://images.unsplash.com/photo-1518770660439-4636190af475?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn {
    background: var(--white);
    color: var(--primary-color);
    padding: 10px 25px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: background 0.3s;
}

.btn:hover {
    background: var(--accent-color);
    color: var(--white);
}

/* Sections */
.section {
    padding: 60px 0;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
    font-size: 2.2rem;
    text-transform: uppercase;
}

.bg-light {
    background: var(--light-bg);
}

.bg-dark {
    background: var(--secondary-color);
    color: var(--white);
}

/* Services Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.card h3 {
    margin-bottom: 15px;
}

/* Projects Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.project-col h3 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.project-col ul {
    list-style: none;
}

.project-col ul li {
    padding: 5px 0;
    border-bottom: 1px solid #ddd;
    font-size: 0.95rem;
}

.project-col ul li:before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    display: inline-block; 
    width: 1em;
}

/* Contact */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.contact-info, .contact-map {
    flex: 1;
    min-width: 300px;
}

.contact-info h2 {
    color: var(--white);
    text-align: left;
}

.contact-info p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.contact-info i {
    margin-right: 10px;
    color: var(--accent-color);
}

/* Footer */
footer {
    background: #222;
    color: var(--white);
    text-align: center;
    padding: 20px 0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .nav-links {
        flex-direction: column;
        display: none; /* Simple mobile hide for this example */
    }
}