:root {
    --primary-blue: #003366; /* Conservative Blue */
    --secondary-grey: #f4f4f4;
    --text-dark: #333;
    --white: #ffffff;
    --accent-blue: #0055a5;
}

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

/* Header */
.top-bar {
    background-color: var(--white);
    border-bottom: 1px solid #ddd;
    padding: 10px 0;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-blue);
    text-decoration: none;
}

.contact-info a {
    color: var(--text-dark);
    text-decoration: none;
    margin-left: 15px;
    font-size: 14px;
}

.lang-selector a {
    color: var(--text-dark);
    text-decoration: none;
    margin-left: 10px;
    font-weight: 500;
}

.lang-selector a.active {
    color: var(--primary-blue);
    font-weight: bold;
}

/* Navigation */
.navbar {
    background-color: var(--primary-blue);
    padding: 0;
}

.navbar-nav .nav-link {
    color: var(--white) !important;
    padding: 15px 20px;
    font-size: 16px;
}

.navbar-nav .nav-link:hover {
    background-color: var(--accent-blue);
}

/* Hero Slider */
.carousel-item {
    height: 400px;
    background-color: #ccc;
}

.carousel-item img {
    object-fit: cover;
    height: 100%;
    width: 100%;
}

.carousel-caption {
    background: rgba(0, 51, 102, 0.8);
    padding: 20px;
    bottom: 50px;
}

/* Services Grid */
.services-section {
    padding: 60px 0;
    background-color: var(--secondary-grey);
}

.service-card {
    background: var(--white);
    border: 1px solid #ddd;
    transition: transform 0.3s;
    height: 100%;
    text-align: center;
    padding-bottom: 20px;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.service-img-wrapper {
    height: 200px;
    overflow: hidden;
    margin-bottom: 15px;
}

.service-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-title {
    color: var(--primary-blue);
    font-weight: bold;
    margin-bottom: 10px;
}

/* Calculator Widget */
.calculator-section {
    padding: 60px 0;
    background-color: var(--white);
}

.calculator-widget {
    background-color: var(--secondary-grey);
    padding: 30px;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.calc-input {
    margin-bottom: 15px;
}

.btn-calculate {
    background-color: var(--primary-blue);
    color: var(--white);
    width: 100%;
    padding: 10px;
    border: none;
}

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

/* Footer */
footer {
    background-color: #222;
    color: #ccc;
    padding: 40px 0 20px;
    font-size: 14px;
}

footer h5 {
    color: var(--white);
    margin-bottom: 20px;
}

footer a {
    color: #ccc;
    text-decoration: none;
}

footer a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid #444;
    margin-top: 30px;
    padding-top: 20px;
    text-align: center;
}