.operating-system-section {
    position: relative;
    padding-block: clamp(56px, 8vw, 96px);
    color: var(--pm-color-paper);
    background:
        linear-gradient(140deg, rgba(10, 12, 15, 0.98), rgba(17, 24, 32, 0.96)),
        var(--pm-wallpaper-image) center / cover;
    overflow: hidden;
}

.operating-layout {
    width: min(100% - 40px, var(--pm-container-wide));
    margin-inline: auto;
    padding-inline: clamp(22px, 4.4vw, 64px);
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: center;
}

.story-copy .kicker {
    margin: 0 0 14px;
    color: var(--pm-color-orange);
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
}

.story-copy h2 {
    margin: 0 0 18px;
    font-size: clamp(28px, 3.2vw, 40px);
    font-weight: 900;
    line-height: 1.1;
}

.story-copy h2 .headline-accent {
    color: var(--pm-color-orange);
}

.story-copy p {
    margin: 0;
    color: rgba(255, 253, 248, 0.72);
    font-size: 17px;
}

.system-board {
    position: relative;
    min-height: 420px;
    display: grid;
    align-content: end;
    gap: 12px;
    padding: 28px;
    border-radius: var(--pm-radius);
    border: 1px solid var(--pm-color-line-dark);
    background:
        radial-gradient(circle at 50% 38%, rgba(245, 158, 1, 0.17), transparent 24%),
        rgba(255, 255, 255, 0.05);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}

.system-board::before,
.system-board::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 36%;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.system-board::before {
    width: min(72%, 340px);
    aspect-ratio: 1;
    border: 1px solid rgba(245, 158, 1, 0.28);
}

.system-board::after {
    width: min(52%, 250px);
    aspect-ratio: 1;
    border: 1px solid rgba(114, 216, 255, 0.24);
}

.system-board-core {
    position: absolute;
    left: 50%;
    top: 36%;
    z-index: 1;
    width: 104px;
    height: 104px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(245, 158, 1, 0.54);
    background: #111820;
    box-shadow: 0 0 54px rgba(245, 158, 1, 0.28);
    color: var(--pm-color-paper);
    font-size: 32px;
    font-weight: 900;
}

.system-board-row {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 14px 16px;
    border-radius: var(--pm-radius);
    border: 1px solid var(--pm-color-line-dark);
    background: rgba(10, 12, 15, 0.66);
}

.system-board-row span {
    color: var(--pm-color-orange);
    font-weight: 900;
}

.system-board-row strong {
    text-align: right;
    color: var(--pm-color-paper);
}

.process-strip {
    width: min(100% - 40px, var(--pm-container-wide));
    margin: clamp(28px, 4vw, 40px) auto 0;
    padding-inline: clamp(22px, 4.4vw, 64px);
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.process-tile {
    min-height: 190px;
    border-radius: var(--pm-radius);
    border: 1px solid var(--pm-color-line-dark);
    background: rgba(255, 255, 255, 0.055);
    padding: 22px;
}

.process-tile span {
    color: var(--pm-color-orange);
    font-weight: 900;
}

.process-tile h3 {
    margin: 8px 0 10px;
    font-size: 19px;
    font-weight: 900;
    color: var(--pm-color-paper);
}

.process-tile p {
    margin: 0;
    color: rgba(255, 253, 248, 0.72);
}

@media (max-width: 900px) {
    .operating-layout {
        grid-template-columns: 1fr;
    }

    .process-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .system-board-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .system-board-row strong {
        text-align: left;
    }
}

@media (max-width: 560px) {
    .process-strip {
        grid-template-columns: 1fr;
    }
}