:root {
    --color-orange: #e05a26;
    --color-light: #fdf2dd;
    --color-dark: #35231b;
    --color-yellow: #f5af24;
    --color-lightbrown: #d2a47a;
    --color-palebrown: #e4c2a0;
    --color-darkgreen: #385754;
    --color-lightgreen: #36a193;
    --color-red: #e61e25;
    --color-gray: #838383;
    --color-lightblue: #d4d7ec;
    --primary-color: var(--color-orange);
    --secondary-color: var(--color-darkgreen);
}



/* 2. Mobile first. Desktop max width 1080px, black color background after 1080px */
body {
    background-color: black;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

/* Container clipping at 1080px */
main {
    width: 100%;
    max-width: 1080px;
    background-color: var(--color-gray);
    color: var(--color-dark);
    display: flex;
    flex-direction: column;

    /* Ensure content is clipped */
    position: relative;
}

/* Image reset for seamless stacking */
main img {
    width: 100%;
    height: auto;
    display: block;
    border: none;
    margin: 0;
    padding: 0;
}

/* 3. Composition rules for the div holding the button */
.banner-container {
    position: relative;
    width: 100%;
    display: flex;
}

#navigation {
    position: sticky !important;
    top: 0 !important;
    z-index: 500 !important;
}

#reg-container {
    z-index: 600 !important
}

#info-modal {
    z-index: 1000 !important;
}

#banner-regulasi.off {
    position: relative;
    /* needed for pseudo-element */
    max-height: 200px;
    overflow: hidden;
    transition: max-height 1s ease-in-out;
}

#banner-regulasi.off::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 60px;
    /* fade height */
    background: linear-gradient(to bottom, transparent, var(--color-gray));
    pointer-events: none;
    /* allow clicks through */
}

#banner-regulasi.on {
    max-height: none;
    transition: max-height 1s ease-in-out;
}

/* Center vertical and horizontal of banner-bottom.png */
.register-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    width: 55%;
    /* Scales responsively relative to the container */
    max-width: 450px;
    z-index: 10;
    transition: transform 0.2s ease-in-out;
}

/* Interactive hover/active states for the button */
.register-btn:hover {
    transform: translate(-50%, -50%) scale(1.03);
}

.register-btn:active {
    transform: translate(-50%, -50%) scale(0.98);
}

.register-btn img {
    width: 100%;
    height: auto;
    display: block;
}



.button-orange {
    background-color: var(--color-orange) !important;
    color: var(--color-light) !important;
    border: 5px solid var(--color-dark) !important;
    border-radius: 20px !important;
}

.light-box {
    background-color: var(--color-light) !important;
    color: var(--color-dark) !important;
    border: 5px solid var(--color-dark) !important;
}

.bintang {
    color: var(--color-red);
}

hr {
    border-color: var(--color-gray) !important;
    border-style: dashed;
}

input {
    border-radius: 10px;
}

#back-to-top {
    position: fixed;
    bottom: 10px;
    right: 10px;
    z-index: 1001;
}

#back-to-top img {
    width: 30px;
    margin: 0 auto;
}

@media screen and (min-width:700px) {
    #banner-regulasi.off {
        max-height: 600px;
    }

    #banner-regulasi.off::after {
        height: 200px;
    }
}