* {
    box-sizing: border-box;
    margin: 0;
    padding: 0
}

html,
body {
    height: 100%
}

body {
    font-family: Arial, Helvetica, sans-serif
}

.split {
    position: fixed;
    width: 50%;
    height: 100%;
    overflow: hidden
}

/* default: ambos os lados em PB e escurecidos; on hover volta a cores normais */
.split {
    transition: filter .35s ease
}

.left,
.right {
    -webkit-filter: grayscale(100%) brightness(40%);
    filter: grayscale(100%) brightness(40%);
    transition: filter .35s ease, -webkit-filter .35s ease
}

.left:hover,
.right:hover {
    -webkit-filter: none;
    filter: none
}

.split {
    cursor: pointer
}

.left {
    left: 0;
    background-color: #000;
    background-image: url('images/left-bg.jpg');
    background-position: 70% center;
    background-size: cover;
    background-repeat: no-repeat
}

.right {
    right: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.45)), url('images/KcNhu.jpg') 55% 40% / cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff
}

.left .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.35));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1
}

.left .logo {
    max-width: 60%;
    height: auto;
    margin-bottom: 20px;
    filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.6));
    position: relative;
    z-index: 2;
    display: block
}

.left .title {
    color: #fff;
    font-size: 48px;
    letter-spacing: 6px;
    margin-bottom: 18px;
    text-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
    position: relative;
    z-index: 2
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    background: #0078d7;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    margin-top: 12px
}

.right .center {
    max-width: 480px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%
}

.right .logo-poke {
    max-width: 70%;
    height: auto;
    margin-bottom: 18px;
    filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.6));
    display: block;
    transform: translateY(-15%);
}

/* Match ARKANIS title style for Poketibia */
.right .center h2 {
    color: #fff;
    font-size: 48px;
    letter-spacing: 6px;
    margin-bottom: 18px;
    text-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
    position: relative;
    z-index: 2;
    text-transform: uppercase
}

/* Ensure button lines up similarly */
.right .center .btn {
    margin-top: 12px
}

/* Make sure text is readable over the background image */
.right .center h2,
.right .center p,
.right .center .btn {
    color: #ffffff
}

@media(max-width:720px) {
    .split {
        width: 100%;
        position: relative;
        height: 50%
    }

    .left {
        height: 50%
    }

    .right {
        height: 50%
    }
}