.intro-instructor__media {
    width: 20rem;
    height: 24rem;
}

.intro-instructor__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.services-accordion__serif,
[data-serif] {
    font-family: Georgia, "Times New Roman", Times, serif;
}

[data-accordion-toggle] {
    list-style: none;
}
[data-accordion-toggle]::-webkit-details-marker {
    display: none;
}

.services-accordion__chevron {
    transition: transform 200ms ease;
}
[data-accordion-item][open] .services-accordion__chevron {
    transform: rotate(180deg);
}

.header-ui__box-10 {
    width: 2.5rem;
    height: 2.5rem;
    min-width: 2.5rem;
    min-height: 2.5rem;
    flex-shrink: 0;
}

.trio-card-hover {
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.trio-card-icon {
    transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.trio-card-hover:hover {
    transform: translateY(-0.375rem);
    box-shadow: var(--bs-box-shadow-lg);
    border-color: rgba(var(--bs-primary-rgb), 0.35) !important;
}

.trio-card-hover:hover .trio-card-icon {
    transform: scale(1.06);
    background-color: var(--bs-primary);
    color: var(--bs-white);
}

.feature-card-surface {
    position: relative;
    isolation: isolate;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color-translucent) !important;
    box-shadow: var(--bs-box-shadow-sm);
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.feature-card-surface:hover {
    box-shadow: var(--bs-box-shadow-lg);
    border-color: rgba(var(--bs-primary-rgb), 0.35) !important;
}

/* -- Feature card hover -- */
.feat-card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feat-card-hover:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1.5rem rgba(0,0,0,.12) !important;
}

/* -- Icon box sizing -- */
.feat-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    min-width: 2.5rem;
    min-height: 2.5rem;
}
.feat-icon-box--lg {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
}
.feat-icon-box--xl {
    width: 5rem;
    height: 5rem;
    border-radius: 1rem;
}
.feat-icon-box--circle {
    border-radius: 50%;
}

/* -- Nav/filmstrip button hover -- */
.feat-btn-nav {
    transition: transform 0.15s ease, background-color 0.15s ease;
}
.feat-btn-nav:hover {
    transform: scale(1.1);
}

/* -- Table row hover -- */
.feat-table-row-hover {
    transition: background-color 0.15s ease;
}
.feat-table-row-hover:hover {
    background-color: var(--bs-primary-bg-subtle) !important;
}

/* -- Accordion item hover -- */
.feat-accordion-hover summary:hover {
    background-color: var(--bs-primary-bg-subtle);
    border-radius: 0.75rem;
}

/* -- DL item hover -- */
.feat-dl-item-hover {
    transition: background-color 0.15s ease;
    border-radius: 0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}
.feat-dl-item-hover:hover {
    background-color: var(--bs-primary-bg-subtle);
}

/* -- Deck button hover -- */
.feat-deck-btn {
    transition: filter 0.2s ease, transform 0.15s ease;
}
.feat-deck-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.stackup-ledger__slate--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

.stackup-ledger__preview--glow:hover { transform: scale(1.1); transition: transform .2s ease; }

.stackup-ledger__mark--glow:hover { transform: scale(1.1); transition: transform .2s ease; }

.stackup-ledger__piece--glow:hover { transform: scale(1.05); transition: transform .2s ease; }


.invite-boost__section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

@keyframes invite-boost-flare-throb-cycle {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.invite-boost__flare--throb {
    animation: invite-boost-flare-throb-cycle 2s cubic-bezier(.4,0,.6,1) infinite;
}

@keyframes invite-boost-flare-rebound-cycle {
    0%, 100% { transform: translateY(0); animation-timing-function: cubic-bezier(.8,0,1,1); }
    50%       { transform: translateY(-25%); animation-timing-function: cubic-bezier(0,0,.2,1); }
}
.invite-boost__flare--rebound {
    animation: invite-boost-flare-rebound-cycle 1s infinite;
}

@keyframes invite-boost-flare-ping-cycle {
    75%, 100% { transform: scale(2); opacity: 0; }
}
.invite-boost__flare--ping {
    animation: invite-boost-flare-ping-cycle 1s cubic-bezier(0,0,.2,1) infinite;
}

@keyframes invite-boost-stroke-throb-cycle {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.invite-boost__stroke--throb {
    animation: invite-boost-stroke-throb-cycle 2s cubic-bezier(.4,0,.6,1) infinite;
}

.invite-boost__layer--lift:hover { transform: scale(1.05); transition: transform .2s ease; }

.invite-boost__flare--lift:hover { transform: scale(1.25); transition: transform .2s ease; }

.invite-boost__action--lift:hover { transform: scale(1.05); transition: transform .2s ease; }