body { font-family: Arial, sans-serif; margin: 0; padding-top: 0px;}

.header {
            height: 120px;
            background-image: url('https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTUskulzOLrXUiPG3QMJ2gyITklfF39Iu7jpA&s');
            background-size: contain;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
}
.header::after {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(0,0,0,0.28);
            pointer-events: none;
}
.header .logo {
            position: relative; 
            z-index: 2;
            color: #fff;
            font-weight: 700;
            text-align: center;
            font-size: 35px;
            margin: 0;
            text-shadow: 0 3px 10px rgba(0,0,0,0.6);
            margin-top: 13px;
}
.header-image { display: none; }
.topbar {
            position: sticky;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: #003366;
            color: #fff;
            display: flex;
            align-items: center;
            padding: 0 20px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
            z-index: 9999;
        }
.footer {   
            /*background: #003366;*/
            text-align: center;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40px;
}
.header .header-image { text-align: center; }
.topbar nav {
            display: flex;
            margin: 0 auto;
            width: 100%;
            height: 100%;
}
.topbar nav a {
            color: #fff;
            flex: 1;
            font-size: 20px;
            font-weight: 535;
            text-align: center;
            text-decoration: none;
            margin: 0;
            padding: 0 12px; 
            height: 100%;       
            display: flex;        
            align-items: center;  
            justify-content: center;
            border-radius: 6px;
            transition: background-color 180ms ease, transform 160ms cubic-bezier(.2,.8,.2,1), box-shadow 180ms ease;
            -webkit-tap-highlight-color: transparent;
            cursor: pointer;
}
.topbar nav a:hover,
.topbar nav a:focus {
            background: rgba(255,255,255,0.06);
            transform: translateY(-3px);
            box-shadow: 0 6px 14px rgba(0,0,0,0.12);
            outline: none;
}
.topbar nav a:active {
            transform: translateY(-1px) scale(.995);
}
.topbar nav a:focus-visible {
            box-shadow: 0 0 0 3px rgba(255,255,255,0.12);
}
.card {
            background: #fff;
            border-radius: 8px;
            padding: 16px;
            margin: 12px 0;
            box-shadow: 0 6px 18px rgba(0,0,0,0.06);
            transform: translateY(10px) scale(.99);
            opacity:0;
            transition: transform 420ms cubic-bezier(.2,.8,.2,1), opacity 420ms ease;
}

.card.visible {
            transform: none;
            opacity: 1;
}

.header-image img { max-width: 100%; height: auto; }