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

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


.content-ledger__stem {
    height: 4rem;
    transform: translateX(-50%);
}

.focus-orb {
    top: 0;
    right: 0;
    width: 18rem;
    height: 18rem;
    filter: blur(3rem);
}

.focus-timeline {
    position: relative;
}

.focus-timeline__rail {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 1.5rem;
    width: 2px;
    pointer-events: none;
    --focus-tl-mid: var(--bs-primary, #60a5fa);
    background: linear-gradient(
        to bottom,
        color-mix(in srgb, var(--focus-tl-mid) 80%, transparent),
        color-mix(in srgb, var(--focus-tl-mid) 35%, transparent),
        transparent
    );
}

.dark .focus-timeline__rail {
    --focus-tl-mid: var(--bs-primary, #3b82f6);
}

@media (min-width: 768px) {
    .focus-timeline__rail {
        left: 50%;
        transform: translateX(-50%);
    }
}

.focus-timeline-dot {
    position: absolute;
    top: 1.25rem;
    left: 1.5rem;
    z-index: 2;
    transform: translateX(-50%);
}

@media (min-width: 768px) {
    .focus-timeline-dot {
        left: 50%;
        transform: translateX(-50%);
    }

    /* Відступ карток від центральної лінії (TW + BS) */
    .focus-timeline__item--left .focus-card-hover {
        margin-inline-start: clamp(1.25rem, 4vw, 2.75rem);
    }

    .focus-timeline__item--right .focus-card-hover {
        margin-inline-end: clamp(1.25rem, 4vw, 2.75rem);
    }
}

.focus-card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.focus-card-hover:hover {
    transform: translateY(-0.125rem);
    box-shadow: var(--bs-box-shadow);
}

.focus-icon-hover {
    transition: transform 0.2s ease;
}

.focus-card-hover:hover .focus-icon-hover {
    transform: scale(1.05);
}

.focus-title-hover {
    transition: color 0.2s ease;
}

.focus-card-hover:hover .focus-title-hover {
    color: var(--bs-primary, #2563eb);
}

.content-brief__float-square {
    width: 4rem;
    height: 4rem;
}

.content-brief__float-square--slow {
    animation: content-brief-float-slow 10s ease-in-out infinite;
}

.content-brief__float-square--fast {
    animation: content-brief-float-fast 7s ease-in-out infinite;
}

@keyframes content-brief-float-slow {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-8px) rotate(6deg);
    }
}

@keyframes content-brief-float-fast {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(8px) rotate(-7deg);
    }
}

.content-rail__side {
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .content-rail__side {
        width: 8rem;
    }

    .content-rail__vertical {
        writing-mode: vertical-rl;
        text-orientation: mixed;
    }
}

/* content stack rows — animated icon tiles (TW w-20 h-20 has no BS util) */
.content-stack-rows__icon-tile {
    width: 5rem;
    height: 5rem;
}

.content-stack-rows__icon-pulse {
    animation: content-stack-rows-pulse 3.5s ease-in-out infinite;
}

.content-stack-rows__icon-tile {
    animation: content-stack-rows-float 6s ease-in-out infinite;
}

.content-stack-rows__icon-glyph {
    animation: content-stack-rows-tilt 5s ease-in-out infinite;
    transform-origin: center;
}

.content-stack-rows__icon-slot--0 .content-stack-rows__icon-pulse {
    animation-delay: 0s;
}

.content-stack-rows__icon-slot--0 .content-stack-rows__icon-tile {
    animation-delay: 0s;
}

.content-stack-rows__icon-slot--0 .content-stack-rows__icon-glyph {
    animation-delay: 0.2s;
}

.content-stack-rows__icon-slot--1 .content-stack-rows__icon-pulse {
    animation-delay: 0.8s;
}

.content-stack-rows__icon-slot--1 .content-stack-rows__icon-tile {
    animation-delay: 0.8s;
}

.content-stack-rows__icon-slot--1 .content-stack-rows__icon-glyph {
    animation-delay: 1s;
}

.content-stack-rows__icon-slot--2 .content-stack-rows__icon-pulse {
    animation-delay: 1.6s;
}

.content-stack-rows__icon-slot--2 .content-stack-rows__icon-tile {
    animation-delay: 1.6s;
}

.content-stack-rows__icon-slot--2 .content-stack-rows__icon-glyph {
    animation-delay: 1.8s;
}

@keyframes content-stack-rows-float {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-0.35rem);
    }
}

@keyframes content-stack-rows-pulse {
    0%,
    100% {
        transform: scale(1);
        opacity: 0.55;
    }

    50% {
        transform: scale(1.14);
        opacity: 0.2;
    }
}

@keyframes content-stack-rows-tilt {
    0%,
    100% {
        transform: rotate(0deg) scale(1);
    }

    50% {
        transform: rotate(-6deg) scale(1.06);
    }
}

@media (prefers-reduced-motion: reduce) {
    .content-stack-rows__icon-pulse,
    .content-stack-rows__icon-tile,
    .content-stack-rows__icon-glyph {
        animation: none;
    }
}

.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;
}

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

.content-flex-min {
    min-width: 0;
}