html { scroll-behavior: smooth; }

body {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.section-heading {
    position: relative;
    padding-left: 1rem;
}

.section-heading::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.35em;
    bottom: 0.35em;
    width: 3px;
    background: linear-gradient(180deg, #e11d2e, #a31420);
    border-radius: 2px;
}

a {
    transition: color 0.15s ease, opacity 0.15s ease;
}

.back-to-top {
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-to-top:hover {
    transform: translateY(-2px);
}

.hero-pattern {
    background-image: radial-gradient(circle at 1px 1px, #fecaca 1px, transparent 0);
    background-size: 24px 24px;
    background-color: #fafafa;
}

.banner-frame {
    min-height: 11rem;
    aspect-ratio: 1707 / 480;
    max-height: 18rem;
}

@media (max-width: 640px) {
    .banner-frame {
        min-height: 10rem;
        aspect-ratio: auto;
        height: 11.5rem;
        max-height: none;
    }
}

#rules-content a {
    color: #c91827;
    font-weight: 500;
}

#rules-content a:hover {
    color: #a31420;
}

#rules-content strong {
    font-weight: 600;
    color: #0f172a;
}

#rules-content em {
    font-style: italic;
}

#rules-content img {
    display: inline-block;
    height: 1.15rem;
    width: auto;
    vertical-align: middle;
}