/* intro v24 — Arctic scandinavian: orbit animation, blur-in reveal, colour-invert hover */

/* Orbit circle animation */
.intro-arc__orbit {
    width: 20rem;
    height: 20rem;
    animation: intro-arc-orbit 20s linear infinite;
}
.intro-arc__dot { width: 1rem; height: 1rem; margin-left: -0.5rem; }
@keyframes intro-arc-orbit {
    to { transform: rotate(360deg); }
}

/* Blur-in — hidden only once JS arms it (no-JS content stays visible) */
.intro-arc.is-armed .intro-arc__blur {
    filter: blur(8px);
    opacity: 0;
    transition: filter 560ms ease, opacity 560ms ease;
}
.intro-arc.is-armed .intro-arc__blur.is-in {
    filter: blur(0);
    opacity: 1;
}

/* Colour invert on hover: descendants inherit the row's hover text colour (keyword only, no colour value) */
.intro-arc__row:hover * {
    color: inherit;
}

@media (prefers-reduced-motion: reduce) {
    .intro-arc__orbit { animation: none; }
    .intro-arc__blur { filter: none; opacity: 1; }
}

/* features ticker — middot separator between inline items (layout only, no colors) */
.features-strip__item:not(:first-child)::before {
    content: "\2022";
    padding-inline-end: 0.5rem;
    opacity: 0.4;
}

/* whyus v20 — fluid parametric backdrop, glitch/scroll reveals */
/* No colors here: `currentColor` reads the Tailwind text-color class already applied on each node. */

/* Geometry shared by both CSS frameworks (Bootstrap has no utilities for it) */
.whyus-parametric {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.mxw-4xl {
    max-width: 56rem !important;
}

.whyus-parametric__head {
    margin-bottom: 3rem;
}

.whyus-parametric__title {
    font-size: 1.875rem;
    font-weight: 900;
    letter-spacing: 0.1em;
}

.whyus-parametric__lead {
    font-size: 1rem;
    letter-spacing: 0.025em;
}

.whyus-parametric__layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 3rem;
}

.whyus-parametric__main {
    gap: 3rem;
}

.whyus-parametric__side {
    gap: 1.5rem;
}

.whyus-parametric__panel {
    padding: 1.5rem;
}

.whyus-parametric__badge {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.whyus-parametric__row-title {
    font-size: 1.5rem;
    letter-spacing: 0.025em;
    transition: letter-spacing 200ms ease;
}

.whyus-parametric__row-title:hover {
    letter-spacing: 0.1em;
}

.whyus-parametric__card-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
}

.whyus-parametric__card {
    padding: 1.25rem;
}

.whyus-parametric__card-title {
    font-size: 1.125rem;
    letter-spacing: 0.025em;
    transition: letter-spacing 200ms ease;
}

.whyus-parametric__card-title:hover {
    letter-spacing: 0.1em;
}

.whyus-parametric__card-desc {
    font-size: 0.875rem;
    letter-spacing: 0.025em;
}

.whyus-parametric__note {
    padding: 1.25rem;
}

.whyus-parametric__note-title {
    letter-spacing: 0.1em;
}

.whyus-parametric__divider {
    --bs-bg-opacity: 0.2;
}

/* ── Left-half backdrop: fluid swooping edge instead of a straight 50% cut ── */
.whyus-parametric__bg-half {
    width: 100%;
    overflow: hidden;
    clip-path: polygon(0 0, 92% 0, 100% 18%, 94% 40%, 100% 62%, 90% 100%, 0 100%);
}

/* ── Mesh-gradient blobs — radial gradient from currentColor, slow organic drift ── */
.whyus-parametric__blob {
    background-image: radial-gradient(circle at 50% 50%, currentColor 0%, transparent 70%);
    filter: blur(40px);
    will-change: transform;
}

.whyus-parametric__blob--a {
    top: -4rem;
    inset-inline-start: -6rem;
    width: 18rem;
    height: 18rem;
    opacity: 0.3;
    animation: whyus-parametric-drift-a 22s ease-in-out infinite;
}

.whyus-parametric__blob--b {
    bottom: 0;
    inset-inline-start: 25%;
    width: 16rem;
    height: 16rem;
    opacity: 0.2;
    animation: whyus-parametric-drift-b 28s ease-in-out infinite;
}

.whyus-parametric__blob--c {
    top: 33.333333%;
    inset-inline-start: 33.333333%;
    width: 14rem;
    height: 14rem;
    opacity: 0.25;
    animation: whyus-parametric-drift-c 34s ease-in-out infinite;
}

@keyframes whyus-parametric-drift-a {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(2rem, 3rem) scale(1.08); }
}

@keyframes whyus-parametric-drift-b {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-3rem, -2rem) scale(0.95); }
}

@keyframes whyus-parametric-drift-c {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(1.5rem, -2.5rem) scale(1.05); }
}

@media (prefers-reduced-motion: reduce) {
    .whyus-parametric__blob--a,
    .whyus-parametric__blob--b,
    .whyus-parametric__blob--c {
        animation: none;
    }
}

/* ── Film-perforation edge strip ── */
.whyus-parametric__perf-strip {
    width: 0.5rem;
    background-image: repeating-linear-gradient(to bottom, currentColor 0, currentColor 6px, transparent 6px, transparent 18px);
}

/* ── Row / card containers ── */
.whyus-parametric__row {
    position: relative;
}

.whyus-parametric__card {
    transition: transform 200ms ease;
}

.whyus-parametric__card:hover {
    transform: translateY(-0.25rem);
}

.whyus-parametric__note {
    transition: transform 200ms ease;
}

.whyus-parametric__note:hover {
    transform: translateX(0.25rem);
}

/* ── Skewed swoop divider between rows (Zaha-Hadid-style dynamic line) ── */
.whyus-parametric__divider {
    display: block;
    height: 0.375rem;
    margin-top: 2.5rem;
    clip-path: polygon(0 40%, 20% 60%, 40% 20%, 60% 70%, 80% 30%, 100% 55%, 100% 100%, 0 100%);
}

.whyus-parametric__divider--lg {
    height: 0.5rem;
    margin-top: 3rem;
}

/* ── Appearance animation: glitch flicker on load, then settle ── */
.whyus-parametric__glitch {
    animation: whyus-parametric-glitch 900ms steps(2, end) 1 both;
}

@keyframes whyus-parametric-glitch {
    0% { opacity: 0; transform: translate(0, 0); }
    10% { opacity: 1; transform: translate(-6px, 2px); }
    20% { opacity: 0.2; transform: translate(4px, -3px); }
    30% { opacity: 1; transform: translate(-3px, 0); }
    45% { opacity: 0.4; transform: translate(3px, 2px); }
    60% { opacity: 1; transform: translate(0, -2px); }
    80% { opacity: 0.8; transform: translate(-1px, 1px); }
    100% { opacity: 1; transform: translate(0, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .whyus-parametric__glitch {
        animation: none;
    }
}

/* ── Scroll-driven reveal for the micro-ring rows ──
   Static, fully visible fallback for browsers without scroll-timeline support. */
.whyus-parametric__row--micro {
    opacity: 1;
    transform: none;
}

@supports (animation-timeline: view()) {
    .whyus-parametric__row--micro {
        opacity: 0;
        animation: whyus-parametric-reveal linear both;
        animation-timeline: view();
        /* entry-based range: cover-N% never completes for bottom-of-section cards */
        animation-range: entry 0% entry 100%;
    }
}

@keyframes whyus-parametric-reveal {
    from { opacity: 0; transform: translateY(2rem); }
    to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 768px) {
    .whyus-parametric {
        padding-top: 8rem;
        padding-bottom: 8rem;
    }

    .whyus-parametric__bg-half {
        width: 50%;
    }

    .whyus-parametric__perf-strip {
        width: 0.75rem;
    }

    .whyus-parametric__head {
        margin-bottom: 4rem;
    }

    .whyus-parametric__title {
        font-size: 3rem;
    }

    .whyus-parametric__lead {
        font-size: 1.125rem;
    }

    .whyus-parametric__main {
        gap: 4rem;
    }

    .whyus-parametric__panel {
        padding: 2rem;
    }

    .whyus-parametric__row-title {
        font-size: 1.875rem;
    }

    .whyus-parametric__card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 2rem;
    }

    .whyus-parametric__card,
    .whyus-parametric__note {
        padding: 1.5rem;
    }

    .whyus-parametric__card-title {
        font-size: 1.25rem;
    }

    .whyus-parametric__card-desc {
        font-size: 1rem;
    }
}

@media (min-width: 1024px) {
    .whyus-parametric {
        padding-top: 10rem;
        padding-bottom: 10rem;
    }

    .whyus-parametric__layout {
        grid-template-columns: repeat(12, minmax(0, 1fr));
        gap: 4rem;
    }

    .whyus-parametric__main {
        grid-column: span 8 / span 8;
    }

    .whyus-parametric__side {
        grid-column: span 4 / span 4;
    }
}

.folio-grid-bg {
    background-image:
        linear-gradient(rgba(var(--bs-emphasis-color-rgb, 33, 37, 41), 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--bs-emphasis-color-rgb, 33, 37, 41), 0.06) 1px, transparent 1px);
    background-size: 1.5rem 1.5rem;
}

.dark .folio-grid-bg {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
}

.folio-glow {
    width: 24rem;
    height: 24rem;
    filter: blur(3rem);
    bottom: 0;
    left: -6rem;
}

.folio-cap {
    border-color: rgba(var(--bs-emphasis-color-rgb), 0.12);
}

.folio-sq-9 {
    width: 2.25rem;
    height: 2.25rem;
}

/* Вертикальний tagline на md+ */
@media (min-width: 768px) {
    .folio-rail-tagline {
        writing-mode: vertical-rl;
        transform: rotate(180deg);
        text-orientation: mixed;
        max-height: 22rem;
    }
}

.folio-rail-bs {
    width: min(100%, 16rem);
    min-height: min(22rem, 50vh);
    padding-right: 1.75rem;
    border-color: rgba(var(--bs-emphasis-color-rgb), 0.15) !important;
}

.folio-title-rule-bs {
    width: 4rem;
    height: 0.25rem;
    background-color: var(--bs-primary);
}

.folio-tile-bs {
    border: 1px solid rgba(var(--bs-emphasis-color-rgb), 0.12);
    border-radius: var(--bs-border-radius-xl, 0.75rem);
    background-color: var(--bs-body-bg);
    padding: 1rem;
    box-shadow: var(--bs-box-shadow-sm);
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.folio-tile-bs:hover {
    border-color: rgba(var(--bs-primary-rgb, 13, 110, 253), 0.35) !important;
    box-shadow: var(--bs-box-shadow);
}

.folio-cta {
    transition:
        transform 0.2s ease,
        background-color 0.2s ease,
        border-color 0.2s ease,
        color 0.2s ease;
}

.folio-cta:hover {
    transform: translateY(-2px);
}