@keyframes rotateSquare {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.intro-pattern-overlay {
    background-image: repeating-linear-gradient(45deg, transparent, transparent 20px, currentColor 20px, currentColor 40px);
    opacity: 0.03;
    top: -20%;
    left: -30%;
    width: 100%;
    height: 100%;
    animation: rotateSquare 20s linear infinite;
}

.intro-pattern-content {
    max-width: 56rem;
}

.content-grid-gap {
    gap: 2rem;
}

.content-full-frame {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.content-heading-gap {
    margin-bottom: 2rem;
}

.content-section-pad {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

/* Matches Tailwind flex-1: equal columns on row; avoids shrink-to-content width on Bootstrap */
.content-col-grow {
    flex: 1 1 0%;
    min-width: 0;
}

.content-base-height {
    display: block;
    width: 100%;
    height: 16rem;
    min-height: 16rem;
    flex-shrink: 0;
    object-fit: cover;
}

/* glossary split — footnote icon size (layout only) */
.glossary-split__note-ico {
    width: 3.5rem;
    height: 3.5rem;
}

.glossary-split__note-icon {
    font-size: 1.3rem;
    line-height: 1;
}

.contact-icon-rail__shell {
    max-width: 72rem;
}

.contact-icon-rail__mark {
    width: 1.75rem;
    height: 1.75rem;
}