/* Cambridge Floating Ad Card */

.cambridge-float-card {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 320px;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(59, 130, 246, 0.2);
    z-index: 9998;
    overflow: hidden;
    transform: translateY(0);
    transition: all 0.3s ease;
}

/* Animation only when visible */
.cambridge-float-card:not(.hidden) {
    animation: slideInFromRight 0.6s ease-out;
}

.cambridge-float-card.hidden {
    transform: translateX(400px);
    opacity: 0;
    pointer-events: none;
}

.cambridge-float-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(59, 130, 246, 0.3);
}

@keyframes slideInFromRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Close Button */
.cambridge-float-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.cambridge-float-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* Card Content */
.cambridge-float-header {
    padding: 20px;
    text-align: center;
    position: relative;
}

.cambridge-float-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 12px;
    background: white;
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cambridge-float-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cambridge-float-title {
    color: white;
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 6px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cambridge-float-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    margin: 0;
    line-height: 1.4;
}

.cambridge-float-body {
    padding: 0 20px 20px;
}

.cambridge-levels {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-bottom: 16px;
}

.cambridge-level-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.cambridge-level-badge:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.cambridge-float-cta {
    display: block;
    width: 100%;
    padding: 12px 20px;
    background: white;
    color: #1e3a8a;
    text-decoration: none;
    text-align: center;
    border-radius: 10px;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cambridge-float-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    background: #f0f9ff;
}

.cambridge-success-rate {
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    text-align: center;
    margin-bottom: 12px;
    backdrop-filter: blur(10px);
}

.cambridge-success-rate strong {
    color: #a7f3d0;
    font-size: 16px;
}

/* Pulse animation for attention */
.cambridge-float-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    border-radius: 16px;
    z-index: -1;
    opacity: 0;
    animation: pulse-border 3s ease-in-out infinite;
}

@keyframes pulse-border {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.02);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .cambridge-float-card {
        width: 280px;
        bottom: 15px;
        right: 15px;
    }
    
    .cambridge-float-logo {
        width: 60px;
        height: 60px;
    }
    
    .cambridge-float-title {
        font-size: 16px;
    }
    
    .cambridge-float-subtitle {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .cambridge-float-card {
        width: calc(100% - 30px);
        left: 15px;
        right: 15px;
    }
}

/* Show/Hide animation delay */
.cambridge-float-card {
    animation-delay: 2s;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .cambridge-float-card {
        animation: none;
        transition: none;
    }
    
    .cambridge-float-card::before {
        animation: none;
    }
}