.rules-hub,
.regulation-detail {
    max-width: 1580px;
    margin: auto;

    padding:
        42px
        42px
        100px;
}

.rules-hero {
    max-width: 850px;
    margin-bottom: 52px;
}

.rules-kicker {
    display: inline-block;
    color: #ff7b00;
    font-size: 15px;
    font-weight: 900;
    letter-spacing: .08em;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.rules-kicker::after {
    content: "";
    display: block;
    width: 120px;
    height: 3px;
    margin-top: 8px;
    border-radius: 999px;
    background: linear-gradient(90deg, #ff7b00, #ffb35c);
}

.rules-hero h1,
.regulation-detail h1 {
    font-size: clamp(48px, 6vw, 82px);
    line-height: .95;
    letter-spacing: -0.07em;
    margin-bottom: 18px;
    color: white;
}

.rules-hero h1 strong {
    background: linear-gradient(135deg, #ff7b00, #9b5cff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.rules-hero p,
.regulation-description {
    color: #a8aec8;
    font-size: 20px;
    line-height: 1.7;
}

.rules-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
}

.rule-row {
    position: relative;

    min-height: 310px;

    display: grid;
    grid-template-columns: 44% 1fr;

    gap: 32px;

    padding: 28px;

    border-radius: 24px;

    overflow: hidden;
    isolation: isolate;

    background: rgba(10, 14, 28, .88);

    border: 1px solid rgba(255, 255, 255, .12);

    box-shadow: 0 28px 80px rgba(0, 0, 0, .35);

    transition: .28s ease;
}

.rule-row::before {
    content: "";

    position: absolute;
    inset: 0;

    z-index: -3;

    background: var(--rule-bg);

    background-size: cover;
    background-position: center;

    opacity: .16;

    filter: blur(2px) saturate(1.25);

    transform: scale(1.08);
}

.rule-row::after {
    content: "";

    position: absolute;
    inset: 0;

    z-index: -2;

    background:
        linear-gradient(
            90deg,
            rgba(4, 8, 18, .96),
            rgba(8, 14, 30, .82)
        ),

        radial-gradient(
            circle at 20% 20%,
            rgba(151, 92, 255, .20),
            transparent 34%
        ),

        radial-gradient(
            circle at 90% 20%,
            rgba(39, 216, 255, .16),
            transparent 30%
        );
}

.rule-row:hover {
    transform: translateY(-8px);

    border-color: rgba(39, 216, 255, .38);

    box-shadow:
        0 30px 90px rgba(0, 0, 0, .48),
        0 0 55px rgba(39, 216, 255, .09);
}

.rule-image {
    position: relative;

    z-index: 2;

    height: 100%;
    min-height: 250px;

    border-radius: 20px;

    overflow: hidden;

    border: 1px solid rgba(39, 216, 255, .42);

    box-shadow: 0 18px 50px rgba(0, 0, 0, .42);
}

.rule-image img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    transition: .35s ease;
}

.rule-row:hover .rule-image img {
    transform: scale(1.07);
}

.rule-image::after {
    content: "";

    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            180deg,
            transparent,
            rgba(0, 0, 0, .46)
        ),

        radial-gradient(
            circle at top right,
            rgba(39, 216, 255, .18),
            transparent 36%
        );
}

.rule-info {
    position: relative;

    z-index: 2;

    display: flex;
    flex-direction: column;
    justify-content: center;

    padding: 8px 0;
}

.rule-number {
    color: #ff7b00;

    font-size: 34px;
    font-weight: 900;

    letter-spacing: -0.06em;

    margin-bottom: 26px;
}

.rule-number::after {
    content: "";

    display: block;

    width: 24px;
    height: 3px;

    margin-top: 10px;

    border-radius: 999px;

    background: linear-gradient(90deg, #ff7b00, #ffb35c);
}

.rule-info h3 {
    color: white;

    font-size: clamp(28px, 3vw, 38px);

    letter-spacing: -0.05em;

    line-height: 1;

    margin-bottom: 16px;
}

.rule-info p {
    color: #a8aec8;

    font-size: 17px;

    line-height: 1.7;

    margin-bottom: 32px;

    max-width: 480px;
}

.rule-open {
    width: 100%;
    max-width: 360px;

    height: 56px;

    border-radius: 10px;

    border: 1px solid rgba(39, 216, 255, .45);

    background: rgba(39, 216, 255, .06);

    color: #ff7b00;

    display: flex;
    align-items: center;
    justify-content: center;

    gap: 18px;

    font-weight: 900;

    transition: .25s ease;
}

.rule-open strong {
    font-size: 24px;
    transition: .25s ease;
}

.rule-row:hover .rule-open {
    background: rgba(39, 216, 255, .13);

    box-shadow: 0 0 35px rgba(39, 216, 255, .12);
}

.rule-row:hover .rule-open strong {
    transform: translateX(6px);
}

.back-link {
    display: inline-flex;
    margin-bottom: 28px;
    color: var(--primary-light);
    font-weight: 800;
}

.content-box {
    margin-top: 30px;

    padding: 34px;

    border-radius: 28px;

    background: var(--card);

    border: 1px solid var(--border);

    line-height: 1.9;

    color: #dfe3ff;
}

.content-box h2,
.content-box h3 {
    color: white;
    margin: 22px 0 14px;
}

.content-box p {
    margin-bottom: 16px;
}

.content-box ul,
.content-box ol {
    padding-left: 24px;
    margin-bottom: 18px;
}

.content-box li {
    margin-bottom: 10px;
}

@media (max-width: 1150px) {

    .rules-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {

    .rules-hub,
    .regulation-detail {
        padding: 30px 18px 80px;
    }

    .rule-row {
        grid-template-columns: 1fr;
        padding: 18px;
    }

    .rule-image {
        min-height: 230px;
    }

    .rule-open {
        max-width: 100%;
    }
}