/* ==========================================================================
   POWER GRID — "'Power Grid'" радиальная диаграмма
   ========================================================================== */

.power-grid {
    background-color: #10151d;
}

.power-grid__heading {
    text-align: center;
    color: var(--medal-white);
    font-size: 26px;
    font-weight: 800;
    margin: 0 0 40px;
}

.power-grid__diagram {
    position: relative;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    aspect-ratio: 1100 / 620;
}

/* --- Кольцо в центре --- */

.power-grid__circle {
    position: absolute;
    top: 8%;
    left: 50%;
    transform: translateX(-50%);
    width: 34%;
    aspect-ratio: 1 / 1;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.power-grid__circle-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
    max-width: 78%;
}

.power-grid__circle-text strong {
    color: var(--medal-red);
    font-size: clamp(18px, 3vw, 34px);
    font-weight: 800;
}

.power-grid__circle-text span {
    color: var(--medal-white);
    font-size: clamp(11px, 1.4vw, 17px);
    font-weight: 700;
}

.power-grid__circle-text small {
    color: var(--medal-gray-light);
    font-size: clamp(8px, 1vw, 11px);
    line-height: 1.3;
}

/* --- Узлы вокруг кольца --- */

.pg-node {
    position: absolute;
    width: 30%;
    display: flex;
    gap: 12px;
    background-color: #262d38;
    border: 1px solid var(--medal-border);
    border-radius: 6px;
    padding: 14px 16px;
}

.pg-node--tl   { top: 0;    left: 0; }
.pg-node--tr   { top: 0;    right: 0; }
.pg-node--bl   { top: 48%;  left: 0; }
.pg-node--br   { top: 48%;  right: 0; }
.pg-node--bottom {
    top: 70%;
    left: 50%;
    transform: translateX(-50%);
    width: 30%;
}

.pg-node__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.pg-node__body h3 {
    color: var(--medal-white);
    font-size: 14.5px;
    font-weight: 700;
    margin: 0 0 4px;
}

.pg-node__body h3 span {
    color: var(--medal-red);
    font-weight: 800;
}

.pg-node__body p {
    color: var(--medal-gray-light);
    font-size: 12px;
    line-height: 1.45;
    margin: 0;
}

.power-grid__tagline {
    background-color: #333c46;
    border: 1px solid var(--medal-border);
    padding: 22px 30px;
    margin-top: 40px;
}

.power-grid__tagline p {
    color: var(--medal-white);
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    margin: 0;
}

@media (max-width: 900px) {
    .power-grid__diagram {
        aspect-ratio: auto;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .power-grid__circle,
    .pg-node {
        position: static;
        width: 100%;
        transform: none;
    }

    .power-grid__circle {
        aspect-ratio: 1 / 1;
        max-width: 260px;
        margin: 0 auto;
    }
}