@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;
}

/* Card hover: scale */
.portfolio-item-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.portfolio-item-hover:hover {
    transform: scale(1.05);
}

/* Overlay: fade in on card hover */
.portfolio-overlay-hover {
    opacity: 0;
    transition: opacity 0.3s ease;
}
.portfolio-item-hover:hover .portfolio-overlay-hover {
    opacity: 1;
}

/* content frame tiles — animated icon stage (replaces photo area) */
.content-frame-tiles__icon-stage {
    min-height: 14rem;
}

.content-frame-tiles__icon-tile {
    width: 5.5rem;
    height: 5.5rem;
    animation: content-frame-tiles-float 6s ease-in-out infinite;
}

.content-frame-tiles__icon-ring {
    width: 7rem;
    height: 7rem;
    animation: content-frame-tiles-ring 4.5s ease-in-out infinite;
}

.content-frame-tiles__icon-pulse {
    animation: content-frame-tiles-pulse 3.5s ease-in-out infinite;
}

.content-frame-tiles__icon-glyph {
    animation: content-frame-tiles-tilt 5s ease-in-out infinite;
    transform-origin: center;
}

.content-frame-tiles__icon-stage--0 .content-frame-tiles__icon-tile {
    animation-delay: 0s;
}

.content-frame-tiles__icon-stage--0 .content-frame-tiles__icon-ring {
    animation-delay: 0.3s;
}

.content-frame-tiles__icon-stage--0 .content-frame-tiles__icon-pulse {
    animation-delay: 0s;
}

.content-frame-tiles__icon-stage--0 .content-frame-tiles__icon-glyph {
    animation-delay: 0.2s;
}

.content-frame-tiles__icon-stage--1 .content-frame-tiles__icon-tile {
    animation-delay: 0.9s;
}

.content-frame-tiles__icon-stage--1 .content-frame-tiles__icon-ring {
    animation-delay: 1.2s;
}

.content-frame-tiles__icon-stage--1 .content-frame-tiles__icon-pulse {
    animation-delay: 0.8s;
}

.content-frame-tiles__icon-stage--1 .content-frame-tiles__icon-glyph {
    animation-delay: 1s;
}

.content-frame-tiles__icon-stage--2 .content-frame-tiles__icon-tile {
    animation-delay: 1.8s;
}

.content-frame-tiles__icon-stage--2 .content-frame-tiles__icon-ring {
    animation-delay: 2.1s;
}

.content-frame-tiles__icon-stage--2 .content-frame-tiles__icon-pulse {
    animation-delay: 1.6s;
}

.content-frame-tiles__icon-stage--2 .content-frame-tiles__icon-glyph {
    animation-delay: 1.8s;
}

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

    50% {
        transform: translateY(-0.4rem);
    }
}

@keyframes content-frame-tiles-ring {
    0%,
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.7;
    }

    50% {
        transform: scale(1.08) rotate(12deg);
        opacity: 0.35;
    }
}

@keyframes content-frame-tiles-pulse {
    0%,
    100% {
        opacity: 0.45;
    }

    50% {
        opacity: 0.15;
    }
}

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

    50% {
        transform: rotate(8deg) scale(1.08);
    }
}

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

.content-col-grow {
    flex: 1 1 0%;
    min-width: 0;
}

.content-img-fullheight {
    display: block;
    width: 100%;
    height: 16rem;
    min-height: 16rem;
    flex-shrink: 0;
    object-fit: cover;
}
@media (min-width: 992px) {
    .content-img-fullheight {
        height: 100%;
        min-height: 16rem;
    }
}

.exposition-bodycopy__ornament--offset {
    position: absolute;
    bottom: -1rem;
    left: -1rem;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
}

.exposition-bodycopy__text-panel-inset {
    padding: 4rem;
}

.orbit-spotlight-quote__portrait {
    width: 6rem;
    height: 6rem;
}


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

.spark-boost__inner {
    min-height: 500px;
    display: flex;
    align-items: center;
}

@media (min-width: 768px) {
    .spark-boost__inner { min-height: 600px; }
}

/* Bootstrap: как у Tailwind p-sm → md:p-lg → lg:p-xl → xl:p-4xl (без фиксированных 6rem на мобиле) */
.spark-boost__vessel-bs {
    box-sizing: border-box;
    padding: 0.5rem;
}

@media (min-width: 768px) {
    .spark-boost__vessel-bs { padding: 1.5rem; }
}

@media (min-width: 992px) {
    .spark-boost__vessel-bs { padding: 2rem; }
}

@media (min-width: 1280px) {
    .spark-boost__vessel-bs { padding: 6rem; }
}

/* Bootstrap: две колонки + стабильный gap (row/g-* часто «съедаются» сбросами) */
.spark-boost__split-grid-bs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .spark-boost__split-grid-bs { gap: 1.5rem; }
}

.spark-boost__split-grid-bs > * {
    flex: 1 1 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

@media (min-width: 992px) {
    .spark-boost__split-grid-bs {
        flex-wrap: nowrap;
    }

    .spark-boost__split-grid-bs > * {
        flex: 1 1 0;
        max-width: 50%;
    }
}

.spark-boost__slab--glass { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }

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

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

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

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