/* 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; }
}

.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);
}
/* quote v23 — Xbox ribbon table: layout, vignette shell, waveform, typewriter caret */

.quote-wave__table {
    table-layout: fixed;
    border-collapse: separate;
    border-spacing: 0.75rem;
}

.quote-wave__cell--hero {
    min-height: 22rem;
    width: 55%;
}

.quote-wave__cell--compact {
    min-height: 10rem;
    width: 45%;
}

.quote-wave__cell--medium {
    min-height: 13rem;
}

.quote-wave__cell--ribbon {
    min-height: 9rem;
}

.quote-wave__pill--hero {
    min-height: 22rem;
}

.quote-wave__pill--compact {
    min-height: 10rem;
}

.quote-wave__pill--medium {
    min-height: 13rem;
}

.quote-wave__pill--ribbon {
    min-height: 9rem;
}

.quote-wave__bg-surface {
    pointer-events: none;
}

.quote-wave__bg-pattern {
    pointer-events: none;
}

.quote-wave__ribbon-body {
    min-width: 0;
}

.quote-wave__bracket--tl {
    transform: scaleX(-1);
}

.quote-wave__bracket--tr {
    transform: scale(-1, -1);
}

.quote-wave__bracket--bl {
    transform: scaleY(-1);
}

.quote-wave__bracket--inner-tl {
    transform: scaleX(-1);
}

.quote-wave__wave-path {
    transform-origin: center center;
    animation: quote-wave-oscillate 4s ease-in-out infinite;
}

@keyframes quote-wave-oscillate {
    0%,
    100% {
        transform: scaleY(0.55);
    }
    25% {
        transform: scaleY(1.15);
    }
    50% {
        transform: scaleY(0.7);
    }
    75% {
        transform: scaleY(1);
    }
}

.quote-wave__caret {
    animation: quote-wave-blink 1s step-end infinite;
}

@keyframes quote-wave-blink {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

.quote-wave__caret.is-done {
    animation: none;
    opacity: 0;
}

@media (max-width: 639px) {
    .quote-wave__table,
    .quote-wave__table tbody,
    .quote-wave__table tr,
    .quote-wave__table td {
        display: block;
        width: 100%;
    }

    .quote-wave__cell--hero,
    .quote-wave__cell--compact,
    .quote-wave__cell--medium,
    .quote-wave__cell--ribbon {
        width: 100%;
        min-height: auto;
        margin-bottom: 0.75rem;
    }

    .quote-wave__pill--hero,
    .quote-wave__pill--compact,
    .quote-wave__pill--medium,
    .quote-wave__pill--ribbon {
        min-height: 14rem;
    }

    .quote-wave__pill--ribbon {
        flex-direction: column;
        border-radius: 1.5rem;
    }
}
/* hover + focus affordances (layout/outline via theme token) */
@media (hover: hover) {
    .quote-wave-root [role="listitem"]:hover,
    .quote-wave-root article:hover,
    .quote-wave-root [class*="quote-wave__card"]:hover,
    .quote-wave-root .quote-wave__book:hover,
    .quote-wave-root .quote-wave__step:hover,
    .quote-wave-root .quote-wave__index-card:hover,
    .quote-wave-root .quote-wave__pill:hover,
    .quote-wave-root .quote-wave__item:hover {
        transform: translateY(-0.125rem);
    }
}

.quote-wave-root [role="listitem"],
.quote-wave-root article,
.quote-wave-root [class*="quote-wave__card"],
.quote-wave-root .quote-wave__book,
.quote-wave-root .quote-wave__step,
.quote-wave-root .quote-wave__index-card,
.quote-wave-root .quote-wave__pill {
    transition: transform 200ms ease;
}

.quote-wave-root a:focus-visible,
.quote-wave-root button:focus-visible,
.quote-wave-root [tabindex="0"]:focus-visible,
.quote-wave-root input:focus-visible,
.quote-wave-root summary:focus-visible,
.quote-wave-root [role="slider"]:focus-visible {
    outline: 2px solid var(--bs-primary);
    outline-offset: 2px;
}

@media (hover: hover) {
    .quote-wave-root button:hover,
    .quote-wave-root a:hover,
    .quote-wave-root summary:hover {
        opacity: 0.92;
    }
}