header {
    margin-bottom: 0;
    background: #222222;
    color: white;
    padding: 20px 10px;
    text-align: center;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

nav {
    background: #333333;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav ul {
    list-style: none;   /* 🔥 removes dots */
    margin: 0;          /* 🔥 removes gap */
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

nav li {
    position: relative;
}

nav a {
    font-weight: 500;
    font-size: 0.95rem;
    display: block;
    padding: 15px 20px;
    color: #f4f4f4;
    text-decoration: none;
}

nav a:hover {
    background: #b30000;
    color: #fff;
}

/* Buttons */
.crypto {
    background: #cc0000 !important;
    color: #fff !important;
    font-weight: bold;
    border-radius: 4px;
}

.crypto:hover {
    background: #ff1a1a !important;
}

.donate-other {
    border: 2px solid #666;
    color: #666 !important;
    font-weight: bold;
}

.donate-other:hover {
    background: #666 !important;
    color: #fff !important;
}

/* Submenu */
.submenu {
    display: none;
    position: absolute;
    background: #222;
    min-width: 220px;
}

.has-submenu:hover .submenu {
    display: block;
}


/* ------------------ ADVERT STYLING ------------------ */

/* Advert container */
.advert-container {
    border: 2px solid #4a90e2 !important;       /* professional blue border */
    border-radius: 8px !important;
    margin: 15px 0 !important;
    padding: 16px !important;
    background-color: #f9f9f9 !important;       /* subtle neutral background */
    cursor: pointer !important;
    transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

/* Hover effect */
.advert-container:hover {
    transform: scale(1.02) !important;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15) !important;
    background-color: #eef4fc !important;       /* very subtle blue on hover */
}

/* Heading inside advert */
.advert-heading {
    font-weight: bold !important;
    font-size: 1.2em !important;
    color: #2c3e50 !important;                  /* dark slate heading */
    margin-bottom: 8px !important;
}

/* Advert content */
.advert-content {
    font-size: 1em !important;
    color: #333 !important;
    line-height: 1.4 !important;
}

/* Remove link styling inside the advert content */
.advert-container .advert-content a {
    color: inherit !important;         
    text-decoration: none !important;  
    cursor: inherit !important;        
}