:root {
    --primary-blue: #0066cc;
    --secondary-blue: #003d7a;
    --light-blue: #e6f3ff;
    --white: #ffffff;
    --gray: #f5f5f5;
    --dark-gray: #333333;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
}

/* Header & Navigation */
.header {
    position: relative;
    color: var(--white);
}

.header-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/header-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.header-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.7), rgba(0, 61, 122, 0.7));
}

.nav {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    height: 70px;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 6rem 5%;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

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

.cta-button {
    background-color: var(--white);
    color: var(--primary-blue);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s;
    text-decoration: none;
}

.cta-button:hover {
    transform: translateY(-2px);
}

/* Services Section */
.services {
    padding: 5rem 5%;
    background-color: var(--white);
}

.services h2 {
    text-align: center;
    color: var(--secondary-blue);
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--light-blue);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

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

.service-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

/* About Section */
.about {
    padding: 5rem 5%;
    background-color: var(--gray);
}

.about h2 {
    text-align: center;
    color: var(--secondary-blue);
    margin-bottom: 3rem;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.about-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Stats */
.stats {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    width: 100%;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    flex: 1;
}

.stat-item h3 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact {
    padding: 5rem 5%;
    background-color: var(--white);
}

.contact h2 {
    text-align: center;
    color: var(--secondary-blue);
    margin-bottom: 3rem;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.contact-form textarea {
    min-height: 150px;
}

.submit-button {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background-color: var(--secondary-blue);
}

.form-status {
    margin-top: 1rem;
    text-align: center;
    font-weight: bold;
    min-height: 20px;
    transition: all 0.3s ease;
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Footer */
.footer {
    background-color: var(--secondary-blue);
    color: var(--white);
    padding: 3rem 5% 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        height: auto;
        padding: 1rem 5%;
    }

    .nav-links {
        margin-top: 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .stats {
        flex-direction: column;
        align-items: center;
    }

    .stat-item {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .stats {
        grid-template-columns: 1fr;
    }
}