@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

/* =======================
   Variáveis Globais
======================= */
:root {
    --font-family: 'Poppins', sans-serif;

    --bg-color: #242323;

    --btn-bg: #2956d1;
    --btn-hover-bg: #2d0bc4;
    --btn-color: #fff;
    --btn-radius: 10px;
    --btn-padding: 15px 15px 15px 15px;
    --btn-font-size: 2rem;
    --btn-hover-shadow: 0 5px 15px #210d7a;

    --animation-slide-in: slideIn 2s ease-out forwards;
    --animation-fadeup-1: fadeUp 1s ease-out;
    --animation-fadeup-2: fadeUp 1.5s ease-out;
    --animation-fadeup-3: fadeUp 2s ease-out;

    --overlay-bg: rgba(0, 0, 0, 0.2);
    --popup-bg: var(--gradient-white-2, #fff);
    --popup-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    --popup-radius: 10px;

    --content-bg: #2956d1;
    --content-color: #fff;

    --button-bg: #4d4d4d;
    --button-radius: 10px;
    --button-hover-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* =======================
   Reset e Base
======================= */
* {
    font-family: var(--font-family);
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    justify-content: center;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    display: flex;
    padding: 0;
    margin: 0;
}

.dark-theme {
    --bg-color: #FFF;

    --btn-bg: #2956d1;
    --btn-hover-bg: #666;
    --btn-color: #fff;

    --content-bg: #1f1f1f;
    --content-color: #f0f0f0;

    --popup-bg: #1c1c1c;
    --close-color: #fff;
    --close-hover-color: #aaa;

    --button-bg: #333;
}

#Home {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    background-color: var(--btn-bg);
    color: var(--btn-color);
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    animation: var(--animation-fadeup-1);
}

#Home:hover {
    background-color: var(--btn-hover-bg);
    transform: scale(1.05);
}

/* =======================
   Header
======================= */
body header {
    height: calc(100vh - 50px);
    -ms-overflow-style: none;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: fixed;
    display: flex;
    width: 100%;
    gap: 2rem;
    margin: 0;
}

/* Logo */
body header a img.Logo {
    max-width: 100%;
    height: 150px;
    margin: 0;
    animation: var(--animation-slide-in);
    padding-bottom: 20px;
}

/* Container de botões */
body header div.containner {   
    justify-content: center;
    width: 600px;
    direction: row;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 0;
}

body header div .btn {
    width: 100px;
    height: 100px;
    background-color: var(--btn-bg);
    border: none;
    border-radius: var(--button-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-size: xx-large;
    font-weight: 100%;
    position: relative;
    animation: var(--animation-fadeup-2);
    padding: 5px;
}

body header div .btn:hover {
    background-color: var(--btn-hover-bg);
    box-shadow: var(--btn-hover-shadow);
    transform: translateY(-5px);
}

body header div .btn .link , body header div .btn .link img {
    padding: 8px;
    height: 100%;
    width: 100%;
}

body header div .btn:active {
    transform: scale(0.95);
}

body header .containner .btn .Title {
   color: var(--content-color);
   visibility: hidden;
   text-align: center;
   font-size: small;
   background: var(--button-bg);
   padding: 10px;
   border-radius: 10px;
   position: absolute;
   bottom: 100%; 
   left: 50%;
   transform: translateX(-50%);
   white-space: nowrap;
   margin-bottom: 8px; 
   z-index: 10;
   opacity: 0;
   transition: opacity .5s ease;
}

/* Aparece quando passa o mouse no botão */
body header .containner .btn:hover .Title {
   visibility: visible;
   opacity: 1;
}


/* =======================
   Animações
======================= */
@keyframes slideIn {
    0% {
        transform: translateY(-50px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =======================
   Responsividade
======================= */

/* Telas até 768px (celulares e tablets em modo paisagem) */
@media (max-width: 768px) {
    body header div.containner {
        width: 90%;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    body header .containner .btn:hover .Title {
        visibility: visible;
        opacity: 1;
    }

    body header div .btn {
        width: 70px;
        height: 70px;
        border-radius: 15px;
    }

    body header a img.Logo {
        height: 100px;
    }
}

@media (max-width: 480px) {
    body header div.containner {
        width: 100%;
        gap: 10px;
        justify-content: center;
    }

    body header .containner .btn:hover .Title {
        visibility: visible;
        opacity: 1;
    }

    body header div .btn {
        width: 70px;
        height: 70px;
    }
}