.mq-system-core {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto 48px;
    padding: 40px 0;
}

.mq-grid-cyber {
    display: grid;
    gap: 24px;
}

.section-title {
    color: var(--mq-cyan);
    font-weight: 900;
    letter-spacing: .12em;
    text-align: center;
    text-transform: uppercase;
    text-shadow: 0 0 18px rgba(34, 211, 238, .35);
}

.mq-card {
    border: 1px solid var(--mq-border);
    border-radius: 18px;
    background:
        linear-gradient(145deg, rgba(15, 23, 42, .88), rgba(2, 6, 23, .78)),
        linear-gradient(90deg, rgba(34, 211, 238, .08), transparent);
    box-shadow:
        0 20px 50px rgba(0, 0, 0, .28),
        inset 0 1px 0 rgba(255, 255, 255, .05);
    padding: 24px;
}

.mq-card h3 {
    margin: 0 0 12px;
    color: var(--mq-text);
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 900;
}

.mq-card p,
.mq-card li {
    color: #cbd5e1;
    line-height: 1.7;
}

.profile-card {
    border-color: rgba(250, 204, 21, .24);
}

.mq-grid-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.mq-grid-links-legal {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--mq-muted);
}

.mq-grid-links-legal a {
    color: #a5f3fc;
    text-decoration: none;
}

.btn-neon {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 14px;
    background: rgba(15, 23, 42, .72);
    color: #e2e8f0;
    font-size: 14px;
    font-weight: 850;
    padding: 12px 14px;
    text-align: center;
    text-decoration: none;
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.btn-neon:hover {
    border-color: currentColor;
    box-shadow: 0 0 22px color-mix(in srgb, currentColor 28%, transparent);
    transform: translateY(-2px);
}

.btn-neon.cyan { color: var(--mq-cyan); }
.btn-neon.green { color: var(--mq-green); }
.btn-neon.blue { color: var(--mq-blue); }
.btn-neon.purple { color: var(--mq-purple); }
.btn-neon.pink { color: var(--mq-pink); }
.btn-neon.red { color: var(--mq-red); }
.btn-neon.yellow,
.btn-neon.gold,
.btn-neon.orange,
.btn-neon.download { color: var(--mq-gold); }
.btn-neon.gray { color: #cbd5e1; }

.mq-core {
    display: grid;
    grid-template-columns: minmax(240px, 380px) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
    overflow: hidden;
    border: 1px solid rgba(34, 211, 238, .16);
    border-radius: 24px;
    background:
        radial-gradient(circle at 22% 50%, rgba(34, 211, 238, .16), transparent 38%),
        linear-gradient(135deg, rgba(2, 6, 23, .92), rgba(15, 23, 42, .72));
    padding: clamp(24px, 5vw, 56px);
}

.mq-core-visual {
    position: relative;
    display: grid;
    min-height: 280px;
    place-items: center;
}

.mq-core-circle {
    position: relative;
    display: grid;
    width: min(280px, 72vw);
    aspect-ratio: 1;
    place-items: center;
}

.mq-core-ring,
.mq-core-center {
    position: absolute;
    border-radius: 999px;
}

.mq-core-ring {
    border: 1px solid rgba(34, 211, 238, .38);
    box-shadow: 0 0 28px rgba(34, 211, 238, .14);
    animation: mqRotate 14s linear infinite;
}

.ring-1 { inset: 0; }
.ring-2 { inset: 34px; animation-duration: 10s; animation-direction: reverse; }
.ring-3 { inset: 68px; animation-duration: 7s; }

.mq-core-center {
    display: grid;
    width: 108px;
    aspect-ratio: 1;
    place-items: center;
    background: rgba(2, 6, 23, .86);
    color: var(--mq-gold);
    font-size: 13px;
    font-weight: 950;
    letter-spacing: .16em;
    box-shadow: inset 0 0 22px rgba(250, 204, 21, .18), 0 0 34px rgba(250, 204, 21, .12);
}

.scanline {
    position: absolute;
    inset: 18px;
    background: linear-gradient(180deg, transparent, rgba(34, 211, 238, .2), transparent);
    opacity: .55;
    animation: mqScan 3s ease-in-out infinite;
}

.glitch {
    color: #fff;
    font-size: clamp(44px, 8vw, 92px);
    font-weight: 950;
    line-height: .95;
    text-shadow: 0 0 28px rgba(250, 204, 21, .2);
}

.subtitle {
    margin-top: 14px;
    color: #dbeafe;
    font-size: clamp(18px, 3vw, 28px);
    font-weight: 850;
}

.mq-status-container {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    margin-top: 26px;
}

.mq-core .mq-status,
.mq-metrics {
    display: flex;
    gap: 10px;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 999px;
    background: rgba(15, 23, 42, .68);
    color: #bbf7d0;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .08em;
    padding: 10px 14px;
}

.mq-metrics {
    color: #a5f3fc;
}

.online-pulse {
    width: 10px;
    height: 10px;
    border-radius: 99px;
    background: var(--mq-green);
    box-shadow: 0 0 18px rgba(74, 222, 128, .8);
}

.style-notion-frame {
    overflow: hidden;
    padding: 0;
    border-color: rgba(34, 211, 238, .2);
    margin-bottom: 32px;
}

.style-notion-frame iframe {
    display: block;
    border: 0;
    background: #020617;
}

.mq-rules {
    margin: 16px 0;
    padding-left: 20px;
}

.mq-license-check {
    display: flex;
    gap: 10px;
    align-items: center;
    color: #dbeafe;
}

.mq-license-check a {
    color: var(--mq-gold);
}

#continueMQ {
    margin-top: 18px;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--mq-gold), var(--mq-cyan));
    color: #020617;
    cursor: pointer;
    font-weight: 950;
    padding: 12px 18px;
}

#continueMQ:disabled,
.mq-btn-disabled {
    cursor: not-allowed;
    filter: grayscale(.65);
    opacity: .55;
}

@keyframes mqRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes mqScan {
    0%,
    100% { transform: translateY(-18%); }
    50% { transform: translateY(18%); }
}

@media (max-width: 760px) {
    .mq-system-core {
        width: min(100% - 20px, 1180px);
        padding: 28px 0;
    }

    .mq-core {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .mq-core-visual {
        min-height: 220px;
    }

    .mq-status-container,
    .mq-core .mq-status,
    .mq-metrics {
        align-items: flex-start;
        border-radius: 16px;
    }
}