/* =========================================================
   11. DEVELOPMENT LIFECYCLE
   ========================================================= */

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

.lifecycle__track {
    width: min(1100px, calc(100% - 2rem));
    margin: 2.5rem auto 1rem;
    position: relative;
}

.lifecycle__line,
.lifecycle__progress {
    display: none;
}

.lifecycle__stages {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.9rem;
}

.lifecycle__stage {
    --lifecycle-energy: var(--color-white);
    --lifecycle-energy-rgb: 255, 255, 255;

    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
    width: 100%;
    min-height: 100%;
    padding: 1.1rem 1rem;
    text-align: left;
    cursor: pointer;
    color: inherit;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    transition:
        transform 0.4s var(--ease-standard),
        border-color 0.35s ease,
        box-shadow 0.4s ease;
}

.lifecycle__marker {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: #080808;
    flex: 0 0 auto;
    transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
}

.lifecycle__name {
    display: block;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-white);
}

.lifecycle__description {
    display: block;
    margin: 0.25rem 0 0;
    max-width: none;
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--color-text-muted);
}

.lifecycle__note {
    width: min(720px, calc(100% - 2rem));
    margin: 1.75rem auto 0;
    text-align: center;
    min-height: 72px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.lifecycle__stage.energy-discovery {
    --lifecycle-energy: var(--energy-discovery);
    --lifecycle-energy-rgb: var(--energy-discovery-rgb);
}

.lifecycle__stage.energy-engineering {
    --lifecycle-energy: var(--energy-engineering);
    --lifecycle-energy-rgb: var(--energy-engineering-rgb);
}

.lifecycle__stage.energy-experimentation {
    --lifecycle-energy: var(--energy-experimentation);
    --lifecycle-energy-rgb: var(--energy-experimentation-rgb);
}

.lifecycle__stage.energy-growth {
    --lifecycle-energy: var(--energy-growth);
    --lifecycle-energy-rgb: var(--energy-growth-rgb);
}

.lifecycle__stage.is-active,
.lifecycle__stage:hover {
    transform: translateY(-3px);
    border-color: rgba(var(--lifecycle-energy-rgb), 0.7);
    box-shadow: 0 0 28px rgba(var(--lifecycle-energy-rgb), 0.14);
}

.lifecycle__stage.is-active .lifecycle__marker,
.lifecycle__stage:hover .lifecycle__marker {
    background: var(--lifecycle-energy);
    border-color: var(--lifecycle-energy);
    box-shadow: 0 0 18px rgba(var(--lifecycle-energy-rgb), 0.45);
}

.lifecycle__stage.is-active .lifecycle__name {
    color: var(--lifecycle-energy);
}

.lifecycle__stage--integration .lifecycle__marker {
    background: var(--energy-integration);
    border: none;
}

/* Tablet + phone: stack as a clean vertical list */
@media (max-width: 1024px) {
    .lifecycle__stages {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .lifecycle__stage {
        flex-direction: row;
        align-items: flex-start;
        gap: 0.9rem;
        padding: 1rem 1.05rem;
    }

    .lifecycle__marker {
        margin-top: 0.35rem;
    }

    .lifecycle__note {
        text-align: left;
        margin-top: 1.25rem;
    }
}