/* =========================================================
   17. MEASUREMENT, LEARNING & OUTCOMES
   ========================================================= */

.learning {
    position: relative;
    overflow: hidden;
}

.learning__loop {
    width: min(700px, 90vw);
    aspect-ratio: 1;
    margin: 4rem auto;
    position: relative;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 50%;
}

.learning__node {
    position: absolute;
    width: 100px;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    text-align: center;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.15);
    background: rgba(255,255,255,.025);
    font-size: .62rem;
    text-transform: uppercase;
}

.learning__node:nth-child(1) {
    left: 50%;
    top: -50px;
    transform: translateX(-50%);
}

.learning__node:nth-child(2) {
    right: -50px;
    top: 50%;
    transform: translateY(-50%);
}

.learning__node:nth-child(3) {
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.learning__node:nth-child(4) {
    left: -50px;
    top: 50%;
    transform: translateY(-50%);
}

.learning__centre {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.learning__centre strong {
    display: block;
    font-size: 1.5rem;
}

.learning__centre span {
    font-size: .65rem;
    opacity: .45;
    text-transform: uppercase;
    letter-spacing: .1em;
}

.learning .energy-label {
    color: var(--color-text);
}

.learning .energy-label::after {
    content: "";
    display: block;
    margin-top: 0.35rem;
    height: 1px;
    background: rgba(var(--energy-current-rgb, 255,255,255), 0.5);
    box-shadow: 0 0 10px rgba(var(--energy-current-rgb, 255,255,255), 0.35);
}