/* 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; }
}

.content-trio-showcase__image {
    display: block;
    width: 100%;
    height: 10rem;
    object-fit: cover;
}

.content-trio-showcase__image--tall {
    height: 14rem;
}

.content-trio-showcase__image--short {
    height: 8rem;
}

.content-trio-showcase__card-lift {
    transition: transform 180ms ease;
}

.content-trio-showcase__card-lift:hover {
    transform: translateY(-0.25rem);
}

.content-trio-showcase__float {
    animation: content-trio-showcase-float 7s ease-in-out infinite;
}

.content-trio-showcase__rail {
    width: 100%;
    height: 0.25rem;
}

.content-trio-showcase__thumb {
    width: 7rem;
    height: 5rem;
}

.content-trio-showcase__badge {
    width: 2.5rem;
    height: 2.5rem;
}

@media (min-width: 768px) {
    .content-trio-showcase__rail {
        width: 0.25rem;
        height: auto;
    }
}

@keyframes content-trio-showcase-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(0.5rem); }
}

.content-trio-showcase__dot {
    width: 0.5rem;
    height: 0.5rem;
}

.content-trio-showcase__float {
    width: 6rem;
    height: 6rem;
}

@media (min-width: 768px) {
    .content-trio-showcase__offset {
        margin-top: 2.5rem;
    }
}

.tips-compact__thumb {
    width: 3rem;
    height: 3rem;
}

.tips-compact__thumb--xs {
    width: 1.5rem;
    height: 1.5rem;
}

.tips-compact__min-shrink {
    min-width: 0;
}

/* glossary invert — hover lift supplied via Tailwind on @sem('block'). */

.dispatch-stack-media__frame {
    height: 12rem;
}

.dispatch-stack-media__col {
    min-width: 0;
}

/* BS-only gradient (TW uses @sem layer) */
.dispatch-stack-media__canvas-bg {
    background: linear-gradient(
        to bottom right,
        color-mix(in srgb, var(--bs-primary) 50%, black),
        color-mix(in srgb, var(--bs-primary) 38%, black),
        var(--bs-primary)
    );
}

.dark .dispatch-stack-media__canvas-bg,
[data-bs-theme="dark"] .dispatch-stack-media__canvas-bg {
    background: linear-gradient(
        to bottom right,
        color-mix(in srgb, var(--bs-primary) 10%, black),
        color-mix(in srgb, var(--bs-primary) 24%, black),
        color-mix(in srgb, var(--bs-primary) 40%, black)
    );
}

.dispatch-stack-media__svg {
    display: block;
}

.dispatch-stack-media__orb {
    transform-origin: center;
    transform-box: fill-box;
}

.dispatch-stack-media__orb--a {
    animation: dispatch-stack-media-drift-a 8s ease-in-out infinite;
}

.dispatch-stack-media__orb--b {
    animation: dispatch-stack-media-drift-b 10s ease-in-out infinite;
    animation-delay: 1s;
}

.dispatch-stack-media__wave {
    stroke-linecap: round;
    stroke-linejoin: round;
    transform-origin: center;
}

.dispatch-stack-media__wave--a {
    animation: dispatch-stack-media-wave-slide 12s linear infinite;
}

.dispatch-stack-media__wave--b {
    animation: dispatch-stack-media-wave-slide 16s linear infinite reverse;
    animation-delay: 1.5s;
}

.dispatch-stack-media__stage--1 .dispatch-stack-media__orb--a {
    animation-delay: 0.6s;
}

.dispatch-stack-media__stage--1 .dispatch-stack-media__wave--a {
    animation-duration: 14s;
}

@keyframes dispatch-stack-media-drift-a {
    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(10px, -8px) scale(1.07);
    }
}

@keyframes dispatch-stack-media-drift-b {
    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(-12px, 6px) scale(1.05);
    }
}

@keyframes dispatch-stack-media-wave-slide {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-36px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .dispatch-stack-media__orb--a,
    .dispatch-stack-media__orb--b,
    .dispatch-stack-media__wave--a,
    .dispatch-stack-media__wave--b {
        animation: none;
    }
}

.bulletin-sidebar-merge__card {
    max-width: 56rem;
}

.bulletin-sidebar-merge__halo {
    width: 12rem;
    height: 12rem;
}