:root {
    --primary-color: #003366;
    --secondary-color: #00a8e8;
    --accent-color: #00d4ff;
    --bg-dark: #001a33;
    --text-light: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.05);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
}

.navbar {
    background-color: rgba(0, 26, 51, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand img {
    height: 40px;
}

.nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    text-transform: uppercase;
    margin: 0 10px;
}

.nav-link:hover {
    color: var(--accent-color) !important;
}

.btn-get-in-touch {
    background-color: var(--primary-color);
    color: white;
    border-radius: 20px;
    padding: 8px 20px;
    font-weight: bold;
    border: 1px solid var(--accent-color);
}

.hero-section {
    padding: 100px 0;
    background: radial-gradient(circle at center, #003366 0%, #001a33 100%);
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 50px;
    opacity: 0.8;
}

.hero-illustration {
    max-width: 100%;
    height: auto;
    margin-top: 30px;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3));
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    height: 100%;
    transition: transform 0.3s ease, border-color 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.08);
}

.feature-card img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.btn-learn-more {
    background-color: var(--primary-color);
    color: white;
    border-radius: 5px;
    padding: 5px 20px;
    font-size: 0.9rem;
    margin-top: 15px;
    display: inline-block;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer {
    padding: 50px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 100px;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    margin: 0 15px;
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.social-icons a {
    color: var(--text-light);
    font-size: 1.2rem;
    margin: 0 10px;
    opacity: 0.7;
}

.social-icons a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.copyright {
    margin-top: 30px;
    font-size: 0.8rem;
    opacity: 0.5;
}