/* RESET */


/* SECTION WRAPPER */
#rs-subject-wrapper-001 {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 60vh;
}

/* MAIN BOX */
.rs-subject-box-001 {
    position: relative;
    max-width: 700px;
    padding: 40px;
    background: white;
    border-radius: 16px;
    text-align: center;
    overflow: hidden;
    box-shadow: 5px 5px 16px #424242;
}

/* ANIMATED BORDER */
.rs-subject-box-001::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 18px;
    background: linear-gradient(120deg,
            #00c6ff,
            #0072ff,
            #00c6ff);
    background-size: 300% 300%;
    animation: rsBorderAnim 4s linear infinite;
    z-index: -1;
}

/* INNER WHITE LAYER */
.rs-subject-box-001::after {
    content: "";
    position: absolute;
    inset: 2px;
    background: #ffffff;
    border-radius: 14px;
    z-index: -1;
}

/* TITLE */
.rs-subject-title-001 {
    font-size: 30px;
    margin-top: 0;
    font-weight: 700;
    color: #111;
    margin-bottom: 0px;
}

/* DESCRIPTION */
.rs-subject-desc-001 {
    font-size: 16px;
    color: #555;
    line-height: 1.7;
}

/* ANIMATION KEYFRAMES */
@keyframes rsBorderAnim {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .rs-subject-box-001 {
        padding: 25px;
        margin: 20px;
    }

    .rs-subject-title-001 {
        font-size: 24px;
    }

    .rs-subject-desc-001 {
        font-size: 14px;
    }
}