@charset "utf-8";

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #000000;
    color: #e7e7e7;
    min-height: 100vh;
    line-height: 1.5;
}

/* Gradiente e Desfoque de Camada */
.image-gradient {
    position: absolute;
    top: 0;
    right: 0;
    opacity: 0.5;
    z-index: -1;
}

.layer-blur {
    top: 0;
    width: 30rem;
    position: absolute;
    top: 20%;
    right: 0;
    box-shadow: 0 0 700px 15px white;
    rotate: -30deg;
    z-index: -1;
}

.image-gradient,
.layer-blur {
    pointer-events: none;
}

/* Estilo do Container Principal */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    overflow: hidden;
}

/* Header */
header {
    display: flex;
    position: relative;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5rem;
    z-index: 999;
}

/* Logo */
.logo {
    font-size: 2.5rem;
    margin: 0;
    font-weight: 300;
}

/* Menu */
nav {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-left: -5%;
}

nav a {
    font-size: 1rem;
    letter-spacing: 0.1rem;
    transition: color 0.2s ease;
    text-decoration: none;
    color: inherit;
}

nav a:hover {
    color: #a7a7a7;
}

/* Botão de Login */
.btn-signing {
    background-color: #a7a7a7;
    color: #000000;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.btn-signing:hover {
    background-color: #e7e7e7;
}

/* Main Content */
main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(90vh - 6rem);
}

.content {
    position: relative;
    z-index: 20;
    pointer-events: none;
    max-width: 40%; /* evita cobrir o robô */
    margin-left: 5%;
}

.tag-box {
    position: relative;
    width: 18rem;
    height: 2.5rem;
    border-radius: 50px;
    background: linear-gradient(to right, #656565, #7f42a7, #6600c5);
    background-size: 200%;
    animation: animationGradient 2.5s linear infinite;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

@keyframes animationGradient {
    to {
        background-position: 200%;
    }
}


.tag-box .tag {
    position: absolute;
    inset: 3px 3px 3px 3px;
    background-color: black;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.5s ease;
    cursor: pointer;
}

.tag-box .tag:hover {
    color: #5300a0;
}

.content h1 {
    font-size: 4rem;
    font-weight: 600;
    letter-spacing: 0.1rem;
    margin: 2rem 0;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(128, 128, 128, 0.418);
}

.description {
    font-size: 1.2rem;
    letter-spacing: 0.05rem;
    max-width: 35rem;
    color: gray;
}

.buttons {
    display: flex;
    gap: 1rem;
    margin-top: 3rem;
}

.btn-get-started {
    text-decoration: none;
    border: 1px solid #2a2a2a;
    padding: 0.7rem 1.2rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.1rem;
    transition: background-color o.2s ease;
}

.btn-get-started:hover {
    background-color: #1a1a1a;
}

.btn-signing-main {
    text-decoration: none;
    background-color: lightgray;
    color: black;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.1rem;
    transition: background-color 0.2s ease;
}

.btn-signing-main:hover {
    background-color: gray;
}

.robot-3d {
    position: absolute;
    top: 0;
    right: -20%;
    z-index: 10;
}



/* Tablet Responsivo */
@media (max-width:1300px) {
    header {
        padding: 1rem 0.5rem;
    }

    .content {
        margin-top: 85%;
    }

    .robot-3d {
        scale: 0.8;
        top: -20%;
        right: 2%;
    }
}

/* Mobile Responsivo */
@media (max-width: 768px) {
    header {
        padding: 0.5rem 1rem;
    }

    .logo {
        font-size: 1.5rem;
        font-weight: 400;
    }

    .btn-signing {
        font-size: 0.5rem;
        padding: 0.4rem 1 rem;
        border-radius: 30px;
    }

    nav {
        display: none;
    }

    header h1 {
        font-size: 2rem;
    }

    .btn-signing {
        padding: 0.6rem 1.5rem;
    }

    .content {
        margin-top: 15rem;
    }

    .robot-3d {
        scale: 1;
        top: -20%;
        right: 3%;
    }

    .content {
        max-width: 40rem;
        margin-left: 5%;
    }

    .tag-box {
        width: 100%;
        margin-bottom: 1.5rem;
        margin-top: 6rem;
    }

    .content h1 {
        font-size: 1.5rem;
        width: 100%;
    }

    .description {
        font-size: 0.8rem;
    }

    .buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: start;
    }

    .btn-get-started {
        font-size: 0.65rem;
        padding: 0.5rem 1.2rem;
    }

    .btn-signing-main {
        font-size: 0.65rem;
        padding: 0.8rem 2rem;
    }

    /* Efeitos em todos os botões */
    button,
    a.btn-get-started,
    a.btn-signing-main,
    .btn-signing {
        transition: all 0.2s ease-in-out;
        touch-action: manipulation; /* melhora resposta no mobile */
    }

    /* Efeito ao tocar/clicar */
    button:active,
    a.btn-get-started:active,
    a.btn-signing-main:active,
    .btn-signing:active {
        transform: scale(0.97); /* leve "afundada" */
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.2); /* brilho leve */
    }

    /* Acessibilidade para teclado */
    button:focus-visible,
    a.btn-get-started:focus-visible,
    a.btn-signing-main:focus-visible,
    .btn-signing:focus-visible {
        outline: 2px solid #7f42a7;
        outline-offset: 4px;
    }
}