@keyframes driftLeftRight {
    0% { transform: translateX(-15%); }
    50% { transform: translateX(15%); }
    100% { transform: translateX(-15%); }
}

@keyframes driftRightLeft {
    0% { transform: translateX(15%); }
    50% { transform: translateX(-15%); }
    100% { transform: translateX(15%); }
}

.intro-drift-strip-a {
    width: 33%;
    height: 6rem;
    animation: driftLeftRight 14s ease-in-out infinite;
}

.intro-drift-strip-b {
    width: 50%;
    height: 4rem;
    animation: driftRightLeft 18s ease-in-out infinite;
}

.intro-drift-strip-c {
    width: 25%;
    height: 5rem;
    animation: driftLeftRight 12s ease-in-out infinite;
    animation-delay: 3s;
}

.intro-drift-container {
    max-width: 80rem;
}

.intro-drift-textbox {
    max-width: 48rem;
}

.content-margin-notes__aside {
    align-self: start;
}

@media (min-width: 992px) {
    .content-margin-notes__aside {
        position: sticky;
        top: 2rem;
    }
}

.hive-card {
    clip-path: polygon(18% 0%, 82% 0%, 100% 50%, 82% 100%, 18% 100%, 0% 50%);
    min-height: 22rem;
    padding: 3.75rem 3.25rem 3rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.hive-card-icon {
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hive-card-glow,
.hive-card-accent {
    transition: transform 0.4s ease, opacity 0.3s ease, width 0.4s ease;
}

.hive-card:hover {
    transform: translateY(-0.4rem);
    box-shadow: var(--bs-box-shadow-lg);
    border-color: rgba(var(--bs-primary-rgb), 0.35) !important;
}

.hive-card:hover .hive-card-glow {
    transform: translate(1rem, -1rem) scale(1.12);
}

.hive-card:hover .hive-card-icon {
    transform: rotate(10deg) scale(1.04);
    box-shadow: var(--bs-box-shadow);
}

.hive-card:hover .hive-card-accent {
    width: 70% !important;
}

@media (max-width: 767.98px) {
    .hive-card {
        clip-path: none;
        min-height: 0;
        padding: 1.5rem;
        border-radius: 1.5rem;
    }
}

.feature-card-surface {
    position: relative;
    isolation: isolate;
    background: transparent !important;
    border-color: transparent !important;
    box-shadow: none !important;
}

.feature-card-surface > * {
    position: relative;
    z-index: 1;
}

.feature-card-surface::before {
    content: "";
    position: absolute;
    inset: calc(var(--bs-gutter-y, 1rem) * 0.5) calc(var(--bs-gutter-x, 1.5rem) * 0.5);
    border-radius: inherit;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color-translucent);
    box-shadow: var(--bs-box-shadow-sm);
    z-index: 0;
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.feature-card-surface:hover:before {
    box-shadow: var(--bs-box-shadow-lg);
    border-color: rgba(var(--bs-primary-rgb), 0.3);
}

/* -- 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);
}
.neon-circuit-timeline__circuit-bg {
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 39px, currentColor 39px, currentColor 40px),
        repeating-linear-gradient(90deg, transparent, transparent 39px, currentColor 39px, currentColor 40px);
}

@keyframes neon-circuit-timeline__glow-pulse {
    0%, 100% { box-shadow: 0 0 4px 2px currentColor, 0 0 12px 4px currentColor; opacity: 1; }
    50% { box-shadow: 0 0 8px 4px currentColor, 0 0 24px 8px currentColor; opacity: 0.7; }
}

.neon-circuit-timeline__node-glow {
    animation: neon-circuit-timeline__glow-pulse 2.5s ease-in-out infinite;
}

@keyframes neon-circuit-timeline__ring-expand {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.4); opacity: 0; }
}

.neon-circuit-timeline__ring {
    animation: neon-circuit-timeline__ring-expand 2.5s ease-in-out infinite;
}

.neon-circuit-timeline__decor-left {
    top: 50%;
    left: 25%;
    transform: translateY(-50%);
    width: 16rem;
    height: 16rem;
}

.neon-circuit-timeline__decor-right {
    top: 50%;
    right: 25%;
    transform: translateY(-50%);
    width: 16rem;
    height: 16rem;
}

.neon-circuit-timeline__accent-line {
    height: 5rem;
    width: 1px;
}

.neon-circuit-timeline__node-wrap {
    z-index: 10;
}

.neon-circuit-timeline__node {
    width: 1rem;
    height: 1rem;
}

.neon-circuit-timeline__ring-size {
    width: 2rem;
    height: 2rem;
}

.neon-circuit-timeline__card-width {
    max-width: 11rem;
}

@media (min-width: 768px) {
    .neon-circuit-timeline__item--upper .neon-circuit-timeline__box,
    .neon-circuit-timeline__accent-line--first {
        order: -1;
    }

    .neon-circuit-timeline__item--lower .neon-circuit-timeline__box,
    .neon-circuit-timeline__accent-line--last {
        order: 1;
    }
}


.topics-support__entry--shift:hover { transform: scale(1.05); transition: transform .2s ease; }


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

.pulse-boost__inner {
    max-width: 72rem;
    width: 100%;
    box-sizing: border-box;
}

/* Bootstrap: col-* внутри d-flex без .row даёт неверную ширину и обрезание справа */
.pulse-boost__split-row-bs {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

@media (min-width: 1024px) {
    .pulse-boost__split-row-bs {
        flex-direction: row;
        align-items: center;
    }

    .pulse-boost__split-row-bs > * {
        flex: 1 1 0;
        min-width: 0;
        max-width: 50%;
        box-sizing: border-box;
    }
}

.pulse-boost__vessel--rise:hover { transform: scale(1.05); transition: transform .2s ease; }

@keyframes pulse-boost-highlight-throb-track {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.pulse-boost__highlight--throb {
    animation: pulse-boost-highlight-throb-track 2s cubic-bezier(.4,0,.6,1) infinite;
}

.pulse-boost__jump--rise:hover { transform: scale(1.05); transition: transform .2s ease; }

.pulse-boost__control--rise:hover { transform: scale(1.05); transition: transform .2s ease; }