/* Text lesson 01: a calm reading layout with jewel-cut photographs. */
.training-fastening-guide {
    --guide-ink: #273d39;
    --guide-muted: #526965;
    --guide-mint: #81bfb7;
    --guide-pink: #f3a2be;
    color: var(--guide-ink);
}

.training-fastening-guide__intro {
    position: relative;
    max-width: 740px;
    padding: 10px 0 28px;
}

.training-fastening-guide__intro::after {
    content: '';
    display: block;
    width: 86px;
    height: 3px;
    margin-top: 27px;
    background: linear-gradient(90deg, var(--guide-mint) 65%, var(--guide-pink) 65%);
}

.training-fastening-guide__eyebrow,
.training-fastening-guide__preflight-number,
.training-fastening-guide__number {
    color: #a44769;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .13em;
    line-height: 1.3;
    text-transform: uppercase;
}

.training-fastening-text .training-fastening-guide__intro h5 {
    max-width: 700px;
    margin: 13px 0 0;
    color: var(--guide-ink);
}

.training-workplace .training-fastening-guide__intro p {
    max-width: 720px;
    margin-top: 18px;
    color: var(--guide-muted);
    font-size: 17px;
    line-height: 1.75;
}

.training-fastening-guide__preflight {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 0 0 40px;
}

.training-fastening-guide__preflight > div {
    padding: 24px 25px 27px;
    border: 1px solid #d8ece8;
    border-radius: 7px 33px 7px 33px;
    background: #f6fbfa;
}

.training-fastening-guide__preflight > div:nth-child(2) {
    border-color: #f5d4df;
    border-radius: 33px 7px 33px 7px;
    background: #fff8fa;
}

.training-fastening-guide__preflight h6 {
    margin: 12px 0 0;
    color: var(--guide-ink);
    font-family: var(--font-heading);
    font-size: 25px;
    font-weight: 500;
    line-height: 1.25;
}

.training-workplace .training-fastening-guide__preflight p {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.7;
}

.training-fastening-guide__variant {
    display: flow-root;
    margin: 0 0 34px;
    padding: 33px 0 37px;
    border-top: 1px solid #d5e9e6;
}

.training-fastening-guide__variant .training-fastening-guide__photos {
    float: right;
    width: min(42%, 340px);
    margin: 12px 0 18px 28px;
}

.training-fastening-guide__variant h6 {
    margin: 9px 0 0;
    color: var(--guide-ink);
    font-family: var(--font-heading);
    font-size: clamp(26px, 3vw, 33px);
    font-weight: 500;
    line-height: 1.2;
}

.training-workplace .training-fastening-guide__variant .training-fastening-guide__summary {
    margin-top: 13px;
    color: var(--guide-muted);
    font-size: 15px;
    line-height: 1.7;
}

.training-workplace .training-fastening-guide__subhead {
    margin: 23px 0 8px;
    color: #397f76;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .05em;
    line-height: 1.4;
    text-transform: uppercase;
}

.training-fastening-guide__copy ol {
    margin: 0;
    padding: 0 0 0 22px;
    counter-reset: fastening-step;
    list-style: none;
}

.training-fastening-guide__copy li {
    position: relative;
    margin: 0 0 12px;
    color: #465451;
    font-size: 14px;
    line-height: 1.75;
    counter-increment: fastening-step;
}

.training-fastening-guide__copy li::before {
    content: counter(fastening-step) '.';
    position: absolute;
    right: calc(100% + 5px);
    color: #bd5a7b;
    font-weight: 700;
}

.training-workplace .training-fastening-guide__finish {
    margin-top: 20px;
    padding: 12px 16px;
    border-left: 3px solid var(--guide-pink);
    background: #fff7f9;
    color: #6a4b58;
    font-size: 14px;
    line-height: 1.65;
}

.training-fastening-guide__photos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    gap: 18px;
    align-self: start;
}

.training-fastening-guide__photo {
    min-width: 0;
    margin: 0;
}

.training-fastening-guide__photo-open {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: none;
    cursor: zoom-in;
}

.training-fastening-guide__photo-open:focus-visible {
    outline: 3px solid #a44769;
    outline-offset: 4px;
}

.training-fastening-guide__photo-cut {
    aspect-ratio: 1 / 1;
    padding: 5px;
    background: #d1e9e5;
    clip-path: polygon(11% 0, 86% 0, 100% 16%, 100% 84%, 87% 100%, 14% 100%, 0 85%, 0 12%);
}

.training-fastening-guide__variant--reverse .training-fastening-guide__photo-cut,
.training-fastening-guide__comparison--pink .training-fastening-guide__photo-cut {
    background: #f9d3e0;
    clip-path: polygon(14% 0, 88% 0, 100% 12%, 100% 86%, 84% 100%, 12% 100%, 0 83%, 0 15%);
}

.training-fastening-guide__photo-cut img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    clip-path: inherit;
}

.training-fastening-guide__photo figcaption {
    margin-top: 11px;
    color: #61726e;
    font-size: 12px;
    line-height: 1.5;
    text-align: center;
}

/* Programmatic focus moves to the opened lesson without outlining the whole article. */
.training-fastening-text:focus {
    outline: none;
}
.training-fastening-viewer {
    position: fixed;
    inset: 0;
    z-index: 100001;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 58px 12px 24px;
    background: rgba(15, 28, 29, .94);
    color: #fff;
    touch-action: none;
}

.training-fastening-viewer__stage {
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 0;
    overflow: hidden;
    cursor: zoom-in;
}

.training-fastening-viewer.is-zoomed .training-fastening-viewer__stage { cursor: grab; }
.training-fastening-viewer.is-dragging .training-fastening-viewer__stage { cursor: grabbing; }

.training-fastening-viewer__image {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
    transform-origin: center center;
    will-change: transform;
}

.training-fastening-viewer__close {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: 50%;
    background: rgba(255, 255, 255, .14);
    color: #fff;
    font: inherit;
    font-size: 25px;
    line-height: 1;
    cursor: pointer;
}

.training-fastening-viewer__close {
    position: absolute;
    top: max(12px, env(safe-area-inset-top));
    right: max(12px, env(safe-area-inset-right));
    z-index: 1;
}

.training-fastening-viewer__close:focus-visible {
    outline: 3px solid #f3a2be;
    outline-offset: 3px;
}

.training-fastening-viewer__footer {
    flex: 0 0 auto;
    max-width: 100%;
    padding-bottom: env(safe-area-inset-bottom);
    text-align: center;
}

.training-fastening-viewer__caption {
    margin: 0 0 10px;
    font-size: 14px;
    line-height: 1.4;
}

.training-fastening-guide__comparison {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, .72fr);
    align-items: center;
    gap: 25px;
    margin: -3px 0 38px;
    padding: 24px 28px;
    border-radius: 36px 7px 36px 7px;
    background: #eff8f6;
}

.training-fastening-guide__comparison--pink {
    border-radius: 7px 36px 7px 36px;
    background: #fff1f5;
}

.training-fastening-guide__comparison h6 {
    margin: 8px 0 0;
    color: var(--guide-ink);
    font-family: var(--font-heading);
    font-size: 27px;
    font-weight: 500;
    line-height: 1.22;
}

.training-workplace .training-fastening-guide__comparison p {
    margin-top: 9px;
    font-size: 14px;
    line-height: 1.7;
}

.training-fastening-guide__photos--comparison {
    max-width: 300px;
    justify-self: center;
}

.training-fastening-guide__closing {
    display: flex;
    gap: 22px;
    align-items: baseline;
    margin-top: 36px;
    padding: 20px 0;
    border-top: 2px solid #c6e6e3;
}

.training-fastening-guide__closing span {
    flex: 0 0 auto;
    color: #a44769;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.training-workplace .training-fastening-guide__closing p {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
}

@media (max-width: 740px) {
    .training-fastening-guide__preflight,
    .training-fastening-guide__comparison {
        grid-template-columns: 1fr;
    }

    .training-fastening-guide__variant .training-fastening-guide__photos {
        float: none;
        width: 100%;
        max-width: 420px;
        margin: 18px auto 24px;
    }

    .training-fastening-guide__comparison { padding: 22px; }
    .training-fastening-guide__photos--comparison { max-width: 300px; }
}

@media (max-width: 480px) {
    .training-fastening-guide__preflight { gap: 12px; }
    .training-fastening-guide__preflight > div { padding: 20px; }
    .training-fastening-guide__variant { padding: 29px 0; }
    .training-fastening-guide__comparison { padding: 20px 15px; }
    .training-fastening-guide__closing { display: block; }
    .training-workplace .training-fastening-guide__closing p { margin-top: 7px; }
}