/* Scroll-linked three-step timeline, tuned for the academy's Persian RTL layout. */
.home-steps__timeline {
    --home-steps-node-size: 2.75rem;
    --home-steps-track: rgba(99, 102, 241, .18);
    position: relative;
    direction: ltr;
}

.home-steps__rail {
    position: absolute;
    z-index: 0;
    top: var(--home-steps-rail-top, calc(var(--home-steps-node-size) / 2));
    bottom: var(--home-steps-rail-bottom, calc(var(--home-steps-node-size) / 2));
    left: 50%;
    width: 2px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--home-steps-track);
    transform: translateX(-50%);
    pointer-events: none;
}

.home-steps__progress {
    position: absolute;
    inset: 0 0 auto;
    width: 100%;
    height: var(--home-steps-progress, 0%);
    border-radius: inherit;
    background: linear-gradient(180deg, #6366f1 0%, #8b5cf6 55%, #c026d3 100%);
    transition: height .12s linear;
}

.home-steps__list {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: clamp(2.25rem, 5vw, 4rem);
    margin: 0;
    padding: 0;
    list-style: none;
}

.home-steps__item {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--home-steps-node-size) minmax(0, 1fr);
    gap: clamp(1rem, 3vw, 2.25rem);
    align-items: start;
    min-width: 0;
    direction: ltr;
}

.home-steps__node {
    grid-column: 2;
    grid-row: 1;
    display: inline-flex;
    width: var(--home-steps-node-size);
    height: var(--home-steps-node-size);
    align-items: center;
    justify-content: center;
    border: 2px solid #d1d5db;
    border-radius: 50%;
    background: #fff;
    color: #6b7280;
    font-size: .9rem;
    font-weight: 900;
    box-shadow: 0 5px 16px rgba(30, 41, 59, .08);
    transition: color .3s ease, border-color .3s ease, background-color .3s ease, box-shadow .3s ease, transform .3s ease;
}

.home-steps__content {
    grid-row: 1;
    max-width: 28rem;
    direction: rtl;
    text-align: right;
    opacity: .76;
    transform: translateY(8px);
    transition: opacity .45s ease, transform .45s ease;
}

.home-steps__item:nth-child(odd) .home-steps__content {
    grid-column: 3;
}

.home-steps__item:nth-child(even) .home-steps__content {
    grid-column: 1;
    justify-self: end;
}

.home-steps__item.is-active .home-steps__node {
    border-color: #4f46e5;
    background: #4f46e5;
    color: #fff;
    box-shadow: 0 0 0 6px rgba(99, 102, 241, .13), 0 8px 22px rgba(79, 70, 229, .24);
    transform: scale(1.06);
}

.home-steps__item.is-active .home-steps__content {
    opacity: 1;
    transform: translateY(0);
}

.home-steps__step-label {
    display: inline-block;
    margin-bottom: .45rem;
    color: #4f46e5;
    font-size: .75rem;
    font-weight: 900;
    letter-spacing: .02em;
}

.home-steps__content h3 {
    margin: 0;
    color: #111827;
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: 900;
    line-height: 1.5;
}

.home-steps__content p {
    max-width: 28rem;
    margin: .5rem 0 0;
    color: #6b7280;
    font-size: .9rem;
    font-weight: 500;
    line-height: 1.9;
}

html.dark .home-steps__timeline {
    --home-steps-track: rgba(129, 140, 248, .2);
}

html.dark .home-steps__node {
    border-color: #475569;
    background: #111827;
    color: #94a3b8;
    box-shadow: 0 5px 16px rgba(0, 0, 0, .25);
}

html.dark .home-steps__item.is-active .home-steps__node {
    border-color: #818cf8;
    background: #4f46e5;
    color: #fff;
    box-shadow: 0 0 0 6px rgba(129, 140, 248, .14), 0 8px 22px rgba(79, 70, 229, .28);
}

html.dark .home-steps__step-label { color: #a5b4fc; }
html.dark .home-steps__content h3 { color: #f8fafc; }
html.dark .home-steps__content p { color: #94a3b8; }

@media (max-width: 767px) {
    .home-steps__timeline { direction: rtl; }

    .home-steps__rail {
        right: calc(var(--home-steps-node-size) / 2 - 1px);
        left: auto;
        transform: none;
    }

    .home-steps__list { gap: 2rem; }

    .home-steps__item {
        display: flex;
        flex-direction: row;
        gap: 1rem;
        align-items: flex-start;
        direction: rtl;
    }

    .home-steps__node { flex: 0 0 var(--home-steps-node-size); }

    .home-steps__content,
    .home-steps__item:nth-child(odd) .home-steps__content,
    .home-steps__item:nth-child(even) .home-steps__content {
        flex: 1 1 auto;
        min-width: 0;
        max-width: none;
        grid-column: auto;
        justify-self: auto;
    }

    .home-steps__content p { font-size: .84rem; }
}

@media (prefers-reduced-motion: reduce) {
    .home-steps__progress { height: 100% !important; }

    .home-steps__node,
    .home-steps__content {
        transition: none !important;
    }

    .home-steps__content {
        opacity: 1;
        transform: none;
    }

    .home-steps__item .home-steps__node,
    .home-steps__item.is-active .home-steps__node {
        border-color: #4f46e5;
        background: #4f46e5;
        color: #fff;
        box-shadow: none;
        transform: none;
    }

    html.dark .home-steps__item .home-steps__node,
    html.dark .home-steps__item.is-active .home-steps__node {
        border-color: #818cf8;
        background: #4f46e5;
        color: #fff;
    }
}