:root {
    --primary-color: #0d2c6c;
    --secondary-color: #83d475;
    --dark-color: #1e1e1e;
    --light-color: #f4f7f6;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #ffffff;
    color: var(--dark-color);
    line-height: 1.6;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: auto;
}

/* Header & Nav */
.top-bar {
    background: var(--primary-color);
    color: #fff;
    padding: 8px 0;
    font-size: 0.9rem;
}
.top-bar-content {
    display: flex;
    justify-content: space-between;
}
.top-bar a { color: #fff; text-decoration: none; }

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
}

.logo img {
    height: 45px;
    margin-right: 10px;
}

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

.nav-links li a {
    text-decoration: none;
    color: var(--dark-color);
    padding: 10px 15px;
    font-weight: 600;
}

.nav-links li a.active,
.nav-links li a:hover {
    color: var(--primary-color);
    border-bottom: 2px solid var(--secondary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(13, 44, 108, 0.85), rgba(13, 44, 108, 0.85)), url('../images/logo.jpg') center/cover;
    color: white;
    padding: 100px 0;
    text-align: center;
}
.hero h1 { font-size: 2.8rem; margin-bottom: 15px; }
.hero p { font-size: 1.2rem; margin-bottom: 25px; }

/* Buttons */
.btn {
    display: inline-block;
    background: var(--secondary-color);
    color: #1e1e1e;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    border: none;
    cursor: pointer;
}
.btn:hover { background: #6ec060; }

/* Cards & Grid */
.services-overview { padding: 60px 0; }
.section-title { text-align: center; margin-bottom: 40px; color: var(--primary-color); }
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.card {
    background: var(--light-color);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}
.card-icon { font-size: 2.5rem; color: var(--primary-color); margin-bottom: 15px; }

/* Page Banner */
.page-banner {
    background: var(--primary-color);
    color: white;
    padding: 40px 0;
}

/* Services Page */
.services-page { padding: 50px 0; }
.service-detail {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
}
.service-detail i { font-size: 2.5rem; color: var(--primary-color); }

/* Contact Section */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 50px 0;
}
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

/* Footer */
.site-footer {
    background: var(--primary-color);
    color: white;
    padding: 40px 0 10px;
    margin-top: 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.footer-col h3 { margin-bottom: 15px; }
.footer-col ul { list-style: none; }
.footer-col ul li a { color: #ccc; text-decoration: none; }
.footer-bottom { text-align: center; margin-top: 30px; border-top: 1px solid #2d4c8c; padding-top: 15px; }