:root {
    --primary-color: #001F3F; /* Navy Blue */
    --background-color: #F9F9F9; /* Off-White */
    --accent-color: #00E5C0; /* Electric Cyan */
    --text-color: #333;
    --light-text-color: #fff;
    --max-width: 1200px;
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    transition: all 0.3s ease-in-out;
}

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

a {
    text-decoration: none;
    color: var(--primary-color);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Utility Classes --- */

.btn {
    display: inline-block;
    padding: 12px 25px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

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

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
}

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

/* --- Header & Navigation --- */

header {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    padding: 15px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--light-text-color);
    letter-spacing: 1px;
}

.nav-links a {
    color: var(--light-text-color);
    margin-left: 25px;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

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

/* --- Footer --- */

footer {
    background-color: var(--primary-color);
    color: #b0c4de; /* Lighter shade for footer text */
    padding: 40px 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    text-align: left;
    flex-wrap: wrap;
    padding-bottom: 20px;
    border-bottom: 1px solid #003366;
}

.footer-section {
    width: 20%;
    margin-bottom: 20px;
}

.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-section a {
    display: block;
    color: #b0c4de;
    margin-bottom: 8px;
}

.footer-section a:hover {
    color: var(--light-text-color);
}

.social-icons a {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-right: 15px;
}

.social-icons a:hover {
    color: var(--light-text-color);
}

.copyright {
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
}

/* --- Section Styling --- */

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 40px;
    border-bottom: 3px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 10px;
}

/* --- Hero Section Specifics --- */

.hero {
    background-color: var(--primary-color);
    background-image: linear-gradient(rgba(0, 31, 63, 0.9), rgba(0, 31, 63, 0.9)), url('abstract-tech-pattern.svg'); /* Conceptual background pattern */
    color: var(--light-text-color);
    text-align: center;
    padding: 120px 0;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #b0c4de;
}

.hero .cta-buttons .btn {
    margin: 0 10px;
}

/* --- Services Grid --- */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--accent-color);
    text-align: center;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* --- Contact Form --- */
.contact-grid {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.contact-form-section {
    flex: 2;
}

.side-info-box {
    flex: 1;
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--accent-color);
}

.side-info-box h4 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.side-info-box p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.side-info-box i {
    color: var(--accent-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--primary-color);
}

.form-group input, 
.form-group textarea, 
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none; /* Simple mobile nav hide for basic example */
    }
    
    .contact-grid, .footer-content {
        flex-direction: column;
    }
    
    .footer-section {
        width: 100%;
        text-align: center;
    }
    
    .footer-content {
        text-align: center;
    }
}