* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    background-color: #321B44;
    color: #fff;
    font-family: Arial, sans-serif;
    overflow: hidden;
}

.hidden {
    display: none !important;
}

.intro-screen {
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #321B44;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 1s ease-in-out;
}

.intro-screen img {
    max-width: 60vw;
    max-height: 60vh;
    opacity: 0;
}

.fade-out {
    animation: fadeOut 1s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.final-screen {
    position: fixed;
    top: 100vh;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #1E0F2D;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 2000;
    transition: top 0.6s ease-in-out;
}

.final-screen.show {
    top: 0;
}

.final-screen h1 {
    font-family: "Dazzle Unicase", sans-serif;
    font-size: 80px;
    margin: 0;
    text-transform: uppercase;
    text-align: center;
}

.final-screen button {
    margin-top: 40px;
    font-size: 36px;
    padding: 10px 30px;
    background: #FF5C7F;
    color: white;
    border: none;
    border-radius: 40px;
    font-family: "Dazzle Unicase", sans-serif;
    cursor: pointer;
    text-transform: uppercase;
    height: 50%;
}

.container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: 3vw;
    padding: 40px;
    width: 100vw;
    height: 100vh;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
    animation-delay: 0.5s;
}

.container.show .box {
    opacity: 0;
    transform: translateY(-50px) scale(0.95);
    animation: boxAppear 0.5s ease forwards;
}

.container.show .box:nth-child(1) { animation-delay: 0.4s; }
.container.show .box:nth-child(2) { animation-delay: 0.6s; }
.container.show .box:nth-child(3) { animation-delay: 0.8s; }
.container.show .box-buttons { animation-delay: 1s; }
.container.show .box-buttons .box:nth-child(1) { animation-delay: 1.2s; }
.container.show .box-buttons .box:nth-child(2) { animation-delay: 1.3s; }
/* y así sucesivamente si hay más */

@keyframes boxAppear {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.box {
    background: #444;
    padding: 60px 60px;
    border-radius: 60px;
    transition: transform 0.3s ease, background 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: start;
}

.box.animate {
    transform: scale(1.05);
    background: #e164d0;
}

.box-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
    height: 100%;
    gap: 3vw;
}

.generate {
    background-color: #FF5C7F;
    border-radius: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateY(-50px);
    animation: boxAppear 0.5s ease forwards;
}

.stop {
    background-color: #1E0F2D;
    border-radius: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateY(-50px);
    animation: boxAppear 0.5s ease forwards;
}

button {
    color: white;
    border-radius: 60px;
    padding: 10px;
    cursor: pointer;
    font-family: "Dazzle Unicase", sans-serif;
    font-weight: bold;
    font-size: 40px;
    width: 100%;
    height: 100%;
    background: none;
    border: none;
}

h2 {
    font-family: "Dazzle Unicase", sans-serif;
    font-size: 36px;
    font-feature-settings: "liga" off, "calt" off;
    margin: 0px;
    margin-bottom: 40px;
    text-transform: uppercase;
}

#title , #concept{
    font-family: "Dazzle Unicase", sans-serif;
    font-size: 56px;
    text-transform: uppercase;
    font-weight: bold;
    font-style: normal;
    font-display: swap;
    font-feature-settings: "liga" off, "calt" off;
    margin: 0px;
}

#timer {
    font-family: "Dazzle Unicase", sans-serif;
    font-size: 120px;
    text-transform: uppercase;
    font-weight: bold;
    font-style: normal;
    font-display: swap;
    font-feature-settings: "liga" off, "calt" off;
    margin: 0px;
}

.color1 {
    background-color: #CE8FFF;
}

.color2 {
    background: #FC90D1;
}

.color3 {
    background: #62D3ED;
}

@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 1fr);
    }
}

.fade-in {
    opacity: 1;
    animation: fadeIn 1s ease forwards;
}

.fade-out {
    opacity: 0;
    animation: fadeOut 1s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to   { opacity: 0; }
}

.intro-screen #introAnimation {
    max-width: 60vw;
    max-height: 100vh;
}