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<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Desbloquear cadeado</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        body{
            background: #1a1a1a;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 100vw;
            height: 100vh;
        }
        /* base para o cadeado */
        .desbloquear-cadeado{
            background: linear-gradient(145deg, #e6e6e6, #ffffff);
            width: 120px;
            height: 120px;
            border-top-right-radius: 30px;
            border-top-left-radius: 30px;
            border-bottom-left-radius: 3px;
            border-bottom-right-radius: 3px;
            box-shadow: 
                5px 5px 10px rgba(0, 0, 0, 0.3),
                -2px -2px 8px rgba(255, 255, 255, 0.1),
                inset 3px 3px 5px rgba(0, 0, 0, 0.1),
                inset -3px -3px 5px rgba(255, 255, 255, 0.2);
            position: relative;
        }
        /* detalhe de aparencia*/
        .desbloquear-cadeado::after {
            content: '';
            position: absolute;
            top: 10px;
            left: 10px;
            right: 10px;
            bottom: 10px;
            border-radius: 15px;
            background: linear-gradient(145deg, #d1d1d1, #f0f0f0);
            z-index: 1;
        }
        /* detalhe do lado direito do cadeado para mostrar apenas o esquerdo na hora de levantar o ferro*/
        .desbloquear-cadeado-detail{
            width:14px;
            height: 20px;
            background: transparent;
            background: linear-gradient(135deg, #e6e6e6, #8a8a8a);
            clip-path: polygon(
                0% 100%,
                0% 0%,
                100% 0%,
                100% 100%
            );
            z-index: 19;
            bottom: 59%;
            left: 54.8%;
            border-radius: 30%;
            scale: 0.7;
            position: absolute;
            transition: all 0.3s ease;
            transform-origin: right center;
            box-shadow: 
                5px 5px 15px rgba(0, 0, 0, 0.4),
                -2px -2px 8px rgba(255, 255, 255, 0.1);
        }
        /* o ferro que irá girar na animação, clip-path para cortar metade do quadrado com bordas arredondadas */
        .desbloquear-cadeado-locker{
            width: 120px;
            height: 150px;
            background: transparent;
            box-sizing: border-box;
            border: solid #d1d1d1 15px;
            border-top-color: #f5f5f5;
            border-left-color: #e0e0e0;
            border-right-color: #b0b0b0;
            border-bottom-color: #8a8a8a;
            clip-path: polygon(
                0% 70%,    
                0% 0%,    
                100% 0%,   
                100% 70%   
            );
            z-index: 20;
            bottom: 50%;
            left: 35.5%;
            border-radius: 30%;
            scale: 0.7;
            position: absolute;
            transition: all 0.3s ease;
            transform-origin: right center; 
            box-shadow: 
                5px 5px 15px rgba(0, 0, 0, 0.4),
                -2px -2px 8px rgba(255, 255, 255, 0.1);
        }
        /* buraco para inserir a chave*/
        .desbloquear-cadeado-hole {
            position: absolute;
            left: 50%;
            top: 50%;
            background: #333;
            width: 1px;
            height: 1px;
            z-index: 20;
            scale: 20;
            border-radius: 50%;
            transition: all 0.3s ease;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.7);
        }
        /* animação ao passar o mouse sobre o buraco acionar o ferro */
        .desbloquear-cadeado-hole:hover ~ .desbloquear-cadeado-locker {
            animation: desbloquear 3s ease forwards;
        }
        /* detalhe para ir em paralelo com o ferro */
        .desbloquear-cadeado-hole:hover ~ .desbloquear-cadeado-detail{
            animation: desbloquear-detail 3s ease forwards;
        }
        /* animação do detalhe, não vai para cima eixo  Y */
        @keyframes desbloquear-detail{
            0%{
                transform: translateY(0) translateX(0) rotateY(0deg);
            }
            30%{
                transform: translateY(0) translateX(0) rotateY(0);
            }

100%{
                transform: translateY(0) translateX(0) rotateY(-180deg);
            }
        }
        /* animacao para o ferro para rotacionar e ir para cima para mostrar a parte cortada */
        @keyframes desbloquear{
            0%{
                transform: translateY(-15px) translateX(0) rotateY(0deg);
            }
            30%{
                transform: translateY(-15px) translateX(0) rotateY(0);
            }
    
            100%{
                transform: translateY(-15px) translateX(0) rotateY(-180deg);
            }
        }
        /* animcacao do buraco */
        .desbloquear-cadeado-hole:hover{
            scale: 30;
            background: #555;
            box-shadow: 0 0 15px rgba(0, 0, 0, 0.9);
        }
    </style>
</head>
<body>
    
    <div class="desbloquear-cadeado-hole"></div>
    <div class="desbloquear-cadeado-locker"></div>
    <div class="desbloquear-cadeado-detail"></div>
    <div class="desbloquear-cadeado"></div>
</body>
</html>

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