body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
}

/* ===============================
   HEADER (TOP SECTION)
================================= */

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1e2a38;
    padding: 15px 30px;
    color: white;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    font-weight: bold;
    font-size: 18px;
}

.brand-name {
    font-size: 20px;
    font-weight: bold;
}

.header-nav a {
    color: white;
    margin-left: 20px;
    text-decoration: none;
    font-size: 14px;
}

.header-nav a:hover {
    text-decoration: underline;
}

/* ===============================
   MAIN CONTENT (MIDDLE SECTION)
================================= */

.main-container {
    padding: 60px 40px;
}

/* HERO SECTION */

.hero-section {
    margin-bottom: 50px;
    max-width: 800px;
}

.hero-section h1 {
    margin-bottom: 15px;
    font-size: 32px;
}

.hero-section p {
    font-size: 16px;
    color: #444;
}

.hero-buttons {
    margin-top: 25px;
}

.primary-btn,
.secondary-btn {
    padding: 10px 20px;
    text-decoration: none;
    display: inline-block;
    margin-right: 12px;
    font-size: 14px;
    cursor: pointer;
}

.primary-btn {
    background: #1e2a38;
    color: white;
}

.primary-btn:hover {
    background: #2f3f54;
}

.secondary-btn {
    border: 1px solid #1e2a38;
    color: #1e2a38;
}

.secondary-btn:hover {
    background: #e8ecef;
}

/* OVERVIEW CARDS */

.overview-section {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.overview-card {
    background: white;
    padding: 25px;
    border: 1px solid #ddd;
    flex: 1;
    min-width: 250px;
}

.overview-card h3 {
    margin-top: 0;
}

.overview-card p {
    color: #444;
}

/* ===============================
   FOOTER (BOTTOM SECTION)
================================= */

.site-footer {
    display: flex;
    justify-content: space-between;
    background: #1e2a38;
    color: white;
    padding: 40px;
    flex-wrap: wrap;
}

.footer-left {
    max-width: 350px;
}

.footer-right {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
}

.footer-group h4 {
    margin-bottom: 10px;
    font-size: 14px;
    text-transform: uppercase;
}

.footer-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-group li {
    margin-bottom: 6px;
}

.footer-group a {
    color: white;
    text-decoration: none;
    font-size: 14px;
}

.footer-group a:hover {
    text-decoration: underline;
}

/* ===============================
   RESPONSIVE
================================= */

@media (max-width: 900px) {

    .overview-section {
        flex-direction: column;
    }

    .site-footer {
        flex-direction: column;
        gap: 30px;
    }

    .footer-right {
        flex-direction: column;
        gap: 20px;
    }

    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .header-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .header-nav a {
        margin-left: 0;
    }
}