/* intro v17 — Death Note noir: circuit band, pulse rings, extrude text, duotone media, scroll slide-in */

/* Circuit-board traces — colour via Tailwind text-* on the band, currentColor in the pattern */
.intro-noir__circuit {
    background-image:
        repeating-linear-gradient(0deg, currentColor 0 1px, transparent 1px 32px),
        repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 32px);
    opacity: 0.18;
    -webkit-mask: linear-gradient(180deg, black, transparent);
    mask: linear-gradient(180deg, black, transparent);
}

/* Pulse rings from the band centre (size + placement so Bootstrap has no utility gap) */
.intro-noir__ring {
    width: 6rem;
    height: 6rem;
    top: 6rem;
    left: 50%;
    margin-left: -3rem;
    opacity: 0;
    animation: intro-noir-pulse 3.4s ease-out infinite;
}
.intro-noir__ring--2 { animation-delay: 1.7s; }

@keyframes intro-noir-pulse {
    0%   { transform: scale(0.4); opacity: 0.55; }
    100% { transform: scale(3.4); opacity: 0; }
}

/* Emboss seal circle */
.intro-noir__seal {
    width: 7rem;
    height: 7rem;
    font-size: 0.75rem;
    line-height: 1.1;
    padding: 0.75rem;
    transform: rotate(-8deg);
}

/* Extrude — stacked text-shadow depth using the element's own colour */
.intro-noir__extrude {
    text-shadow: 1px 1px 0 currentColor, 2px 2px 0 currentColor, 3px 3px 0 currentColor;
}

/* Duotone media: grayscale image + primary multiply tint (colour is a Tailwind class) */
.intro-noir__img {
    height: 10rem;
    object-fit: cover;
    filter: grayscale(1) contrast(1.05);
}

/* Sticky aside offset (Bootstrap position-sticky has no top-16 utility) */
@media (min-width: 992px) {
    .intro-noir__aside { top: 4rem; }
}
.intro-noir__tint {
    mix-blend-mode: multiply;
    opacity: 0.5;
}

/* Letter-spacing widen on hover */
.intro-noir__ttl { transition: letter-spacing 260ms ease; }
[data-card]:hover .intro-noir__ttl { letter-spacing: 0.08em; }

/* Slide-in entrance — pure CSS on the reliable [data-card] attribute; always ends visible */
@keyframes intro-noir-rise {
    from { opacity: 0; transform: translateY(2rem); }
    to   { opacity: 1; transform: translateY(0); }
}
.intro-noir [data-card] { animation: intro-noir-rise 560ms ease both; }

@media (prefers-reduced-motion: reduce) {
    .intro-noir__ring { animation: none; }
    .intro-noir [data-card] { animation: none; }
}

/* Geometry shared by both CSS frameworks (Bootstrap has no utilities for it) */
.gallery-diptych__section {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

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

.mxw-2xl {
    max-width: 42rem !important;
}

.gallery-diptych__head {
    margin-bottom: 2rem;
}

.gallery-diptych__title {
    font-size: 1.875rem;
    margin-bottom: 0.75rem;
}

.gallery-diptych__lead {
    font-size: 1.125rem;
}

.gallery-diptych__stage {
    aspect-ratio: 16 / 9;
}

.gallery-diptych__label {
    top: 1rem;
    padding-top: 0.375rem;
    padding-bottom: 0.375rem;
    --bs-bg-opacity: 0.9;
}

.gallery-diptych__label--before {
    inset-inline-start: 1rem;
}

.gallery-diptych__label--after {
    inset-inline-end: 1rem;
}

.gallery-diptych__handle {
    width: 2.5rem;
    height: 2.5rem;
}

@media (min-width: 768px) {
    .gallery-diptych__title {
        font-size: 2.25rem;
    }
}

/* gallery v14 — before/after diptych divider */
[data-diptych-stage] {
    --split-pos: 50%;
}

.gallery-diptych__inner {
    position: relative;
    width: 100%;
    height: 100%;
    cursor: ew-resize;
    touch-action: none;
    user-select: none;
}

.gallery-diptych__img {
    object-fit: cover;
    pointer-events: none;
}

.gallery-diptych__img--before {
    clip-path: inset(0 calc(100% - var(--split-pos)) 0 0);
}

.gallery-diptych__divider {
    --bs-bg-opacity: 0.8;
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--split-pos);
    width: 2px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.gallery-diptych__divider > * {
    pointer-events: auto;
}

.triplet-plain-quote__track {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    min-width: 0;
    row-gap: 1.5rem;
}

@media (min-width: 768px) {
    .triplet-plain-quote__track {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        column-gap: 1.5rem;
        row-gap: 1.75rem;
    }
}

.triplet-plain-quote__col {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

@media (min-width: 768px) {
    .triplet-plain-quote__col {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}

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