body { 
    font-family: 'Inter', sans-serif; 
    scroll-behavior: smooth; 
    overflow-x: hidden;
}

html {
    overflow-x: hidden;
}

.glass-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-gradient {
    background: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glow {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.whatsapp-float {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 9999;
    min-width: 56px;
    min-height: 56px;
}

@media (min-width: 768px) {
    .whatsapp-float {
        bottom: 2rem;
        right: 2rem;
    }
}

@media (max-width: 640px) {
    .whatsapp-float {
        bottom: 0.75rem;
        right: 0.75rem;
    }
}

/* Estilos para as miniaturas de vídeo */
.video-thumbnail-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* Proporção 16:9 */
    overflow: hidden;
    border-radius: 0.5rem;
}

.video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.video-overlay:hover {
    background: rgba(0, 0, 0, 0.2);
}

.play-icon {
    width: 4rem;
    height: 4rem;
    color: rgba(255, 255, 255, 0.9);
    transition: transform 0.3s ease, color 0.3s ease;
}

.video-card:hover .play-icon {
    transform: scale(1.1);
    color: white;
}

/* Estilos para mensagens de erro no formulário */
.error-message {
    color: #ef4444; /* Tailwind red-500 */
    font-size: 0.875rem; /* Tailwind text-sm */
    margin-top: 0.25rem;
}

.border-red-500 {
    border-color: #ef4444 !important;
}