/* CSS para o vídeo do YouTube */
.video-container {
    max-width: 800px;
    margin: 2rem auto;
    position: relative;
    border-radius: 20px;
    padding: 8px;
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* Aurora Borealis Border Animation */
.video-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 8px;
    background: linear-gradient(45deg, 
        #ff006e, #fb5607, #ffbe0b, #8338ec, #3a86ff, 
        #06ffa5, #ff006e, #fb5607, #ffbe0b, #8338ec, #3a86ff);
    background-size: 400% 400%;
    animation: aurora 12s ease-in-out infinite;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
}

@keyframes aurora {
    0%, 100% {
        background-position: 0% 50%;
        filter: hue-rotate(0deg) brightness(1.2);
    }
    25% {
        background-position: 100% 0%;
        filter: hue-rotate(90deg) brightness(1.4);
    }
    50% {
        background-position: 100% 100%;
        filter: hue-rotate(180deg) brightness(1.1);
    }
    75% {
        background-position: 0% 100%;
        filter: hue-rotate(270deg) brightness(1.3);
    }
}

.video-container:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.video-container:hover::before {
    animation-duration: 6s;
    filter: brightness(1.5) saturate(1.3);
}

.video-thumbnail {
    width: 100%;
    height: 450px;
    border-radius: 10px;
    object-fit: cover;
    position: relative;
    z-index: 1;
    transition: filter 0.4s ease;
}

.video-container:hover .video-thumbnail {
    filter: brightness(0.85) contrast(1.1);
}

.play-button-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(15px);
    z-index: 2;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.video-container:hover .play-button-overlay {
    background: rgba(255, 255, 255, 1);
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.play-button {
    width: 0;
    height: 0;
    border-left: 25px solid #667eea;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    margin-left: 5px;
    transition: all 0.3s ease;
}

.video-container:hover .play-button {
    border-left-color: #5a67d8;
    filter: drop-shadow(0 2px 4px rgba(90, 103, 216, 0.3));
}

.video-caption {
    text-align: center;
    margin-top: 1rem;
    color: #003366;
    font-size: 1.1rem;
    font-weight: 300;
    opacity: 0.9;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.video-wrapper {
    position: relative;
    display: inline-block;
}

@media (max-width: 768px) {
    .video-container {
        max-width: 95%;
        margin: 1.5rem auto;
    }
    
    .video-container::before {
        padding: 6px;
    }
    
    .video-thumbnail {
        height: 250px;
    }
    
    .play-button-overlay {
        width: 60px;
        height: 60px;
    }
    
    .video-container:hover .play-button-overlay {
        transform: translate(-50%, -50%) scale(1.1);
    }
    
    .play-button {
        border-left: 20px solid #667eea;
        border-top: 12px solid transparent;
        border-bottom: 12px solid transparent;
    }
    
    .video-caption {
        font-size: 1rem;
    }
}