/* Lumi palette */
:root {
    --lumi-yellow: #F4E38A;
    --lumi-peach:  #F7C8A0;
    --lumi-sky:    #A8D5F2;
    --lumi-mint:   #BCE8CC;
    --lumi-lilac:  #CDB7E9;
}

body {
    margin: 0;
    background: #fff;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Header with logo + dots */
.header {
    text-align: center;
    padding-top: 10px;
}

.lumi-logo {
    font-size: 38px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 6px;
}

/* Dot navigation */
.dot-row {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 12px;
}

.dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    opacity: 0.35;
    cursor: pointer;
}

/* Assign colours */
.dot:nth-child(1) { background: var(--lumi-yellow); }
.dot:nth-child(2) { background: var(--lumi-peach); }
.dot:nth-child(3) { background: var(--lumi-sky); }
.dot:nth-child(4) { background: var(--lumi-mint); }
.dot:nth-child(5) { background: var(--lumi-lilac); }

.dot.active {
    opacity: 1;
}

/* Square image viewer */
.viewer {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.viewer img {
    width: 90vw;
    height: 90vw;
    max-width: 600px;
    max-height: 600px;
    object-fit: contain;
    border-radius: 18px;
    transition: opacity 0.3s ease;
}