:root {
    --cor-principal: #3498db;
    --cor-texto: #ffffff;
    --cor-destaque: #00FFEE;
    --background-color: #000000;
    --cor-gradiente-inicio: #005A9C;
    --cor-gradiente-meio: #003D69;
    --cor-gradiente-fim: #001F36;
}

body {
    margin: 0;
    padding: 0;
    border: 0;
    font-family: 'Arial', sans-serif;
    background-color: var(--background-color);
    color: var(--cor-texto);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    display: flex;
    justify-content: flex-end;
    padding: 20px 0;
}

.header-bandeira {
    width: 30px;
    margin-right: 40px;
    cursor: pointer;
}

main {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column; 
    flex: 1;
}

.titulo {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1200px;
}

.caixa-texto {
    width: 90%;
    max-width: 750px;
    height: auto;
    padding: 11px 10px;
    background: linear-gradient(to bottom, var(--cor-gradiente-inicio), var(--cor-gradiente-meio), var(--cor-gradiente-fim));
    color: var(--cor-texto);
    margin-bottom: 45px;
    display: flex; 
    justify-content: center; 
    align-items: center; 
    text-align: center;
}

.caixa-texto h3 {
    font-size: 14px;
    text-align: center;
    font-weight:bolder;
    letter-spacing: 5px;
    text-transform: uppercase;
    animation: typing 5s steps(50), blink 0.5s step-end infinite alternate;
    white-space: nowrap;
    overflow: hidden;
    border-right: 3px solid;
    display: inline-block; 
    max-width: fit-content;
    max-width: 100%;
}

@keyframes typing {
    from { 
        width: 0;
    }
    to { 
        width: 100%;
    }
}
@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.blob-container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative; 
    width: 100%;
    max-width: 500px;
}

.blob {
    margin-bottom: 45px;
    width: 50%;
}

.foto {
    position: absolute;
    top: 40%;
    left: 52%;
    transform: translate(-50%, -50%);
    width: 30%;
    height: auto;
    border-radius: 50%; 
    transition: transform 0.3s ease;
}

.foto:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.caixa {
    width: 90%;
    max-width: 750px;
    height: auto;
    padding: 10px;
    background: linear-gradient(to bottom, var(--cor-gradiente-inicio), var(--cor-gradiente-meio), var(--cor-gradiente-fim));
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.caixa-portfolio {
    justify-content: center;
    gap: 50px;
}

.caixa-portfolio a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--cor-texto);
    transition: transform 0.5s ease-in-out, box-shadow 0.5s ease-in-out; /* Adiciona uma transição suave */

}

.portfolio-link:hover {
    transform: scale(1.1);
}

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.icone-notebook {
    width: 130px;
    height: 100px;
}


.icone-notebook {
    width: 130px;
    height: 100px;
}

#portfolio-title {
    position: relative;
    display: inline-block;
    overflow: hidden;
    font-size: 36px; 
    font-weight: bold;
    color: var(--cor-texto);
    margin: 0;
}

#portfolio-title span {
    display: inline-block;
    position: relative;
    z-index: 1;
}

#portfolio-title::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--cor-destaque), transparent);
    z-index: 0;
    transform: translateY(-50%);
}

#portfolio-title:hover::before {
    animation: slide 1.2s linear infinite;
}

@keyframes slide {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.titulo-caixa {
    font-size: 20px;
    font-weight: bold;
    margin: 0 0 25px 0;    
    color: var(--cor-texto);
}

.icone-caixa {
    width: 60px;
    cursor: pointer; 
    transition: transform 0.5s ease-in-out, box-shadow 0.5s ease-in-out; /* Aumenta a duração e usa uma função de tempo suave */
}

.icone-caixa:hover {
    transform: scale(1.2);
}

.icone-caixa:active {
    transform: translateY(5px);
}

.caixa-contato {
    justify-content: center;
    gap: 50px;
}

.caixa-tecnologias {
    width: 90%;
    max-width: 750px;
    height: 250px;
    background: linear-gradient(to bottom, var(--cor-gradiente-inicio), var(--cor-gradiente-meio), var(--cor-gradiente-fim));
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    padding: 10px 10px;
}

.icone-caixa-tecnologias {
    width: 50px;
    padding: 0 30px;
}

.icone-caixa-tecnologias {
    font-size: 2rem;
    transition: transform 0.7s ease-in-out;
}

.icone-destaque {
    transform: scale(1.5);
}

.container {
    perspective: 1000px;
    margin: 20px;
}

.caixa-leitura {
    width: 90%;
    max-width: 750px;
    height: 200px;    
    background: linear-gradient(to bottom, var(--cor-gradiente-inicio), var(--cor-gradiente-meio), var(--cor-gradiente-fim));
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    padding: 0 10px;
}

.flip {
    position: relative;
    width: 100px;
    height: 150px;
    transform-style: preserve-3d;
    transition: transform 1.6s ease; 
    cursor: pointer;
}

.flipped {
    transform: rotateY(180deg);
}

.frente, .tras {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    box-shadow: 0px 0px 0px var(--cor-principal);
    backface-visibility: hidden;
    transition: opacity 0.8s ease, transform 0.8s ease; 
}

.frente {
    z-index: 2;
    transform: rotateY(0deg);
    background-image: url(images/flip.jpg);
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
    transition-delay: 0.8s; 
}

.tras {
    background: #f8f8f8;
    transform: rotateY(180deg);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    flex-direction: column;
    transition-delay: 0s;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.tras button {
    color: var(--cor-texto);
    background: linear-gradient(to bottom, var(--cor-gradiente-inicio), var(--cor-gradiente-meio), var(--cor-gradiente-fim));
    border: none; 
    border-radius: 15px;
    padding: 10px 10px; 
    margin: 10px 0; 
    font-size: 14px; 
    cursor: pointer; 
    transition: background 0.3s ease, transform 0.3s ease;
}

.tras button:hover {
    background: linear-gradient(to bottom, var(--cor-gradiente-meio), var(--cor-gradiente-inicio)); 
    transform: scale(1.05); 
}

.tras button:active {
    transform: scale(1); 
}

footer {
    margin-top: 50px;
}

footer p {
    font-size: 12px;
    font-weight: bold;
    text-align: center;
}

.wave {
    width: 100%;
    height: 200px;
}


/* Media Queries para Responsividade */
@media (max-width: 768px) {

    .header-bandeira {
        margin-right: 30px;
    }

    .caixa-texto h3 {
        font-size: 14px;
        letter-spacing: 3px;
    }

    #portfolio-title {
        font-size: 32px;
    }

    .icone-caixa {
        width: 40px;
    }

    .icone-caixa-tecnologias {
        width: 50px;
        padding: 0 30px;
    }

    .flip {
        width: 100px;
        height: 150px;
    }

    .wave {
        width: 100%;
        height: 120px;
    }
}

@media (max-width: 480px) {

    .header-bandeira {
        margin-right: 30px;
}

    .caixa-texto h3 {
        font-size: 12px;
        letter-spacing: 2px;
    }

    #portfolio-title {
        font-size: 28px;
    }

    .icone-caixa {
        width: 30px;
    }

    .icone-caixa-tecnologias {
        width: 45px;
        padding: 0 25px;
    }

    .container {
        margin: 20px 10px;
    }
    .flip {
        width: 100px;
        height: 150px;
    }

    .wave {
        width: 100%;
        height: 70px;
    }
}


@media (max-width: 420px) {

    .header-bandeira {
        padding-right: 30px;
    }

    .caixa-texto h3 {
        font-size: 12px;
        letter-spacing: 2px;
    }

    #portfolio-title {
        font-size: 28px;
    }

    .icone-caixa {
        width: 30px;
    }

    .icone-caixa-tecnologias {
        width: 45px;
        padding: 0 20px;
    }

    .container {
        margin: 20px 10px;
    }
    .flip {
        width: 100px;
        height: 150px;
    }

    .wave {
        width: 100%;
        height: 70px;
    }
}