.engine-section {
    position: relative;
    overflow: hidden;
    padding: 170px 0;
    background:
            radial-gradient(circle at 70% 45%, rgba(212,175,55,.16), transparent 34%),
            radial-gradient(circle at 20% 80%, rgba(255,232,151,.07), transparent 28%),
            linear-gradient(180deg, #050505 0%, #0b0b0b 52%, #040404 100%);
}

.engine-bg-grid {
    position: absolute;
    inset: 0;
    opacity: .18;
    background-image:
            linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
    background-size: 76px 76px;
    mask-image: radial-gradient(circle at 70% 50%, black 0%, transparent 70%);
    pointer-events: none;
}

.engine-bg-glow {
    position: absolute;
    right: -180px;
    top: 12%;
    width: 640px;
    height: 640px;
    border-radius: 50%;
    background: rgba(212,175,55,.14);
    filter: blur(115px);
    pointer-events: none;
}

.engine-layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 90px;
    align-items: center;
}

.engine-content {
    max-width: 570px;
}

.engine-content h2 {
    margin-top: 22px;
    font-size: clamp(2.5rem, 5vw, 5.5rem);
    line-height: .94;
    letter-spacing: -.06em;
    text-transform: uppercase;
    color: #fff;
    text-wrap: balance;
}

.engine-content .section-intro {
    margin-top: 28px;
    color: rgba(255,255,255,.74);
    font-size: clamp(1.05rem, 1.5vw, 1.22rem);
    line-height: 1.75;
}

.engine-content p:not(.section-intro) {
    margin-top: 22px;
    color: rgba(255,255,255,.66);
    font-size: 1rem;
    line-height: 1.8;
}

.engine-content p:last-child {
    color: #f2dca7;
    font-weight: 700;
}

.engine-system {
    position: relative;
    min-height: 560px;
}

.engine-system::before {
    content: "";
    position: absolute;
    inset: 60px;
    border-radius: 50%;
    border: 1px solid rgba(212,175,55,.18);
    box-shadow:
            0 0 80px rgba(212,175,55,.08),
            inset 0 0 60px rgba(212,175,55,.05);
}

.engine-system::after {
    content: "";
    position: absolute;
    inset: 120px;
    border-radius: 50%;
    border: 1px dashed rgba(255,255,255,.14);
    animation: engineRotate 32s linear infinite;
}

.engine-core-card {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 210px;
    height: 210px;
    display: grid;
    place-items: center;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(212,175,55,.42);
    background:
            radial-gradient(circle at 35% 25%, rgba(255,232,151,.22), transparent 34%),
            linear-gradient(145deg, rgba(212,175,55,.18), rgba(255,255,255,.035));
    box-shadow:
            0 0 90px rgba(212,175,55,.20),
            inset 0 1px 0 rgba(255,255,255,.16);
    backdrop-filter: blur(18px);
}

.engine-core-card span {
    max-width: 130px;
    text-align: center;
    color: #f2dca7;
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .16em;
    line-height: 1.6;
    text-transform: uppercase;
}

.engine-skill {
    position: absolute;
    width: 210px;
    min-height: 132px;
    padding: 22px;
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,.10);
    background:
            linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.018));
    box-shadow:
            0 24px 70px rgba(0,0,0,.36),
            inset 0 1px 0 rgba(255,255,255,.07);
    backdrop-filter: blur(18px);
    transition:
            transform .35s ease,
            border-color .35s ease,
            box-shadow .35s ease;
}

.engine-skill:hover {
    transform: translateY(-8px);
    border-color: rgba(212,175,55,.38);
    box-shadow:
            0 32px 90px rgba(0,0,0,.44),
            0 0 55px rgba(212,175,55,.12);
}

.engine-skill strong {
    display: block;
    margin-bottom: 10px;
    color: #fff;
    font-size: 1.05rem;
    letter-spacing: -.02em;
}

.engine-skill span {
    display: block;
    color: rgba(255,255,255,.64);
    font-size: .88rem;
    line-height: 1.6;
}

.engine-skill-1 {
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
}

.engine-skill-1:hover {
    transform: translateX(-50%) translateY(-8px);
}

.engine-skill-2 {
    top: 190px;
    right: 0;
}

.engine-skill-3 {
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
}

.engine-skill-3:hover {
    transform: translateX(-50%) translateY(-8px);
}

.engine-skill-4 {
    top: 190px;
    left: 0;
}

@keyframes engineRotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 1050px) {
    .engine-layout {
        grid-template-columns: 1fr;
        gap: 70px;
    }

    .engine-content {
        max-width: 760px;
    }

    .engine-system {
        max-width: 680px;
        width: 100%;
        margin: 0 auto;
    }
}

@media (max-width: 720px) {
    .engine-section {
        padding: 110px 0;
    }

    .engine-system {
        min-height: auto;
        display: grid;
        gap: 18px;
    }

    .engine-system::before,
    .engine-system::after {
        display: none;
    }

    .engine-core-card,
    .engine-skill,
    .engine-skill-1,
    .engine-skill-2,
    .engine-skill-3,
    .engine-skill-4 {
        position: relative;
        inset: auto;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
        transform: none;
        width: 100%;
    }

    .engine-core-card {
        height: auto;
        min-height: 120px;
        border-radius: 28px;
    }

    .engine-core-card span {
        max-width: none;
    }

    .engine-skill:hover,
    .engine-skill-1:hover,
    .engine-skill-3:hover {
        transform: translateY(-6px);
    }
}