body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f6f8;
    color: #333;
}

/* ===== TOP BANNER ===== */
.top-banner {
    background: #1f1f2e;
    padding: 10px 20px;
}

.brand {
    max-width: 1100px;
    margin: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 45px;
    height: auto;
}

.brand-text h1 {
    margin: 0;
    font-size: 20px;
    color: #ffffff;
}

.brand-text p {
    margin: 0;
    font-size: 12px;
    color: #cccccc;
}


/* ===== SECTIONS ===== */
section {
    padding: 40px 20px;
    max-width: 1100px;
    margin: auto;
}

section h2 {
    color: #2c3e50;
    margin-bottom: 10px;
}

/* Course List */
ul {
    list-style-type: square;
    padding-left: 20px;
}

/* ===== NAVIGATION BAR ===== */
nav {
    background: #2c2c54;
    padding: 12px 10px;
    text-align: center;
}

nav a {
    color: white;
    margin: 8px 12px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    font-size: 16px;
}

/* MOBILE FIX */
@media (max-width: 600px) {
    nav {
        padding: 10px;
    }

    nav a {
        display: block;
        /* stack vertically */
        margin: 10px 0;
        /* spacing between items */
        font-size: 18px;
        /* easier to tap */
    }
}


/* ===== FOOTER ===== */
footer {
    background: #1f1f2e;
    color: #e6e6e6;
    text-align: center;
    padding: 25px 20px;
    margin-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 15px;
}

/* Footer Links Row */
.footer-links {
    margin-bottom: 12px;
}

.footer-links a {
    color: #fbc531;
    margin: 0 14px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: 0.25s ease;
}

.footer-links a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Copyright */
footer p {
    margin: 0;
    font-size: 14px;
    opacity: 0.85;
}

/* Mobile */
@media (max-width: 600px) {
    .footer-links a {
        display: block;
        margin: 8px 0;
    }
}