/* ==== toolkit-index.css — tiered skill index (no percentages) ==== */

.toolkit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    border-top: 1px solid var(--paper-line);
    padding-top: 56px;
}

.dev-group .col-label {
    color: var(--amber-dim);
}

.index-list {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.index-row {
    display: flex;
    align-items: baseline;
    gap: 14px;
}

.index-name {
    font-family: var(--f-body);
    font-weight: 600;
    font-size: .92rem;
    color: var(--ink-text);
    white-space: nowrap;
}

.index-leader {
    flex: 1;
    border-bottom: 2px dotted var(--paper-line);
    transform: translateY(-5px);
    min-width: 20px;
}

.tier-stamp {
    font-family: var(--f-mono);
    font-weight: 700;
    font-size: .72rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 5px 11px;
    white-space: nowrap;
    border: 2px solid transparent;
    transform: scale(0) rotate(0deg);
    opacity: 0;
    transition: transform .55s cubic-bezier(.34, 1.56, .64, 1), opacity .35s ease;
}

.index-row:nth-child(odd) .tier-stamp {
    --rot: -3deg;
}

.index-row:nth-child(even) .tier-stamp {
    --rot: 2deg;
}

.reveal.is-visible .tier-stamp {
    transform: scale(1) rotate(var(--rot));
    opacity: 1;
}

/* staggered "stamping" cascade down the list */
.index-row:nth-child(1) .tier-stamp {
    transition-delay: .05s;
}

.index-row:nth-child(2) .tier-stamp {
    transition-delay: .15s;
}

.index-row:nth-child(3) .tier-stamp {
    transition-delay: .25s;
}

.index-row:nth-child(4) .tier-stamp {
    transition-delay: .35s;
}

.index-row:nth-child(5) .tier-stamp {
    transition-delay: .45s;
}

/* tier styles — escalating visual weight, no numbers */
[data-tier="familiar"] .tier-stamp {
    color: var(--steel-dim);
    border-color: var(--steel-dim);
}

[data-tier="proficient"] .tier-stamp {
    color: var(--amber-dim);
    border-color: var(--amber-dim);
}

[data-tier="specialist"] .tier-stamp {
    color: var(--crimson);
    border-color: var(--crimson);
}

[data-tier="expert"] .tier-stamp {
    color: var(--paper);
    background: var(--crimson);
    border-color: var(--crimson);
    text-shadow: 0 0 1px rgba(0, 0, 0, .25);
}

@media (max-width:820px) {
    .toolkit-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .index-row {
        flex-wrap: wrap;
    }

    .index-leader {
        display: none;
    }
}