:root {
    --primary-color: #003366;
    --secondary-color: #666666;
    --accent-color: #0055aa;
    --text-color: #333333;
    --light-bg: #f4f7f9;
    --white: #ffffff;
    --container-width: 1200px;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

/* Header */
.main-header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo img {
    height: 60px;
}

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

.main-nav ul li {
    margin-left: 25px;
}

.main-nav ul li a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    transition: color 0.3s;
}

.main-nav ul li a:hover {
    color: var(--accent-color);
}

.btn-cta {
    background: var(--primary-color);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 5px;
}

.btn-client {
    border: 1px solid var(--primary-color);
    padding: 8px 15px;
    border-radius: 5px;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,51,102,0.8), rgba(0,51,102,0.8)), url('https://images.unsplash.com/photo-1454165833767-027ffea9e778?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

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

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
}

/* Footer */
.main-footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 50px;
    filter: brightness(0) invert(1);
    margin-bottom: 20px;
}

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

.footer-links ul li a {
    color: #ccc;
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
}

.legal-links a {
    color: var(--white);
    text-decoration: none;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.btn-submit {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    width: 100%;
}

/* Responsive */
@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 2rem;
    }
}