/* 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; }
}

.digest-sq-6  { width: 1.5rem;  height: 1.5rem;  flex-shrink: 0; }
.digest-sq-10 { width: 2.5rem;  height: 2.5rem;  flex-shrink: 0; }

/* values v14 — bento grid tile sizing, no colors */
.values-nike-bento__grid {
    grid-auto-rows: minmax(9rem, auto);
}

.values-nike-bento__tile--large {
    grid-column: span 2 / span 2;
    grid-row: span 2 / span 2;
}

.values-nike-bento__tile--small {
    grid-column: span 1 / span 1;
}

@media (max-width: 640px) {
    .values-nike-bento__tile--large {
        grid-column: span 2 / span 2;
        grid-row: span 1 / span 1;
    }
}

.values-nike-bento__decor-circle,
.values-nike-bento__decor-blob,
.values-nike-bento__decor-ring {
    z-index: 0;
}

.values-nike-bento__decor-line,
.values-nike-bento__decor-square,
.values-nike-bento__decor-dot {
    z-index: 0;
}

/* BS has no w-14/h-14 — without a fixed size, rounded-circle stretches in a flex column */
.values-nike-bento__icon-badge {
    width: 3.5rem;
    height: 3.5rem;
    flex-shrink: 0;
    align-self: flex-start;
    transition: transform 200ms ease;
}

.values-nike-bento__icon-badge:hover {
    transform: scale(1.05);
}

.orbit-avatar-ring__portrait {
    width: 8rem;
    height: 8rem;
}

.orbit-avatar-ring__beacon {
    width: 1.5rem;
    height: 1.5rem;
}

/* quote v21 — card-deck overlap, celtic-knot corners, chrome-frame avatar, clip-path hover reveal */

/* blueprint engineering-paper grid — pattern uses currentColor, no literal color values here */
.quote-deck__blueprint {
    background-image:
        repeating-linear-gradient(0deg, currentColor 0, currentColor 1px, transparent 1px, transparent 24px),
        repeating-linear-gradient(90deg, currentColor 0, currentColor 1px, transparent 1px, transparent 24px);
    background-size: 24px 24px;
}

/* concentric decorative rings — size/position only, border color comes from the sem/theme classes in the template */
.quote-deck__ring {
    top: 50%;
    left: 50%;
    pointer-events: none;
}
.quote-deck__ring--sm {
    width: 12rem;
    height: 12rem;
    transform: translate(-50%, -50%);
}
.quote-deck__ring--md {
    width: 18rem;
    height: 18rem;
    transform: translate(-50%, -50%);
}
.quote-deck__ring--lg {
    width: 24rem;
    height: 24rem;
    transform: translate(-50%, -50%);
}

/* lightning-flash overlay — opacity-only keyframes, irregular via staggered delays */
@keyframes quoteDeckFlash {
    0%, 88%, 100% { opacity: 0; }
    91% { opacity: 1; }
    94% { opacity: 0.2; }
}
.quote-deck__flash {
    animation: quoteDeckFlash 6s steps(1, end) infinite;
}
.quote-deck__flash--a { animation-delay: 0s; }
.quote-deck__flash--b { animation-delay: 2.3s; }
.quote-deck__flash--c { animation-delay: 4.1s; }

/* card-deck overlap rhythm — variable tight/loose offsets, resets to a plain stack below md */
@media (min-width: 768px) {
    .quote-deck__item:nth-child(1) {
        transform: translateY(0.5rem);
        margin-right: -1.25rem;
        z-index: 1;
    }
    .quote-deck__item:nth-child(2) {
        transform: translateY(-0.75rem);
        margin-left: -0.5rem;
        margin-right: -2rem;
        z-index: 3;
    }
    .quote-deck__item:nth-child(3) {
        transform: translateY(1rem);
        margin-left: -0.75rem;
        z-index: 2;
    }
}

.quote-deck__card {
    transition: transform 200ms ease, box-shadow 200ms ease;
}
.quote-deck__card:hover,
.quote-deck__card:focus-within {
    transform: translateY(-0.5rem);
    z-index: 10;
}

/* celtic-knot corner accents — identical sem content per corner, shape/placement handled here */
.quote-deck__knot {
    width: 1.25rem;
    height: 1.25rem;
    clip-path: polygon(0 0, 100% 0, 100% 35%, 35% 35%, 35% 100%, 0 100%);
}
.quote-deck__knot--tl {
    position: absolute;
    top: -0.375rem;
    left: -0.375rem;
}
.quote-deck__knot--tr {
    position: absolute;
    top: -0.375rem;
    right: -0.375rem;
    transform: rotate(90deg);
}
.quote-deck__knot--bl {
    position: absolute;
    bottom: -0.375rem;
    left: -0.375rem;
    transform: rotate(270deg);
}
.quote-deck__knot--br {
    position: absolute;
    bottom: -0.375rem;
    right: -0.375rem;
    transform: rotate(180deg);
}

/* browser-chrome framing for the icon tile */
.quote-deck__chrome {
    height: 1.25rem;
}
.quote-deck__chrome-dot {
    width: 0.375rem;
    height: 0.375rem;
    flex: none;
}
.quote-deck__avatar {
    width: 3.5rem;
}
.quote-deck__glyph {
    height: 2.75rem;
}

/* clip-path reveal on hover — pure CSS, no JS */
.quote-deck__reveal {
    clip-path: inset(0 0 100% 0);
    max-height: 0;
    transition: clip-path 250ms ease, max-height 250ms ease;
}
.quote-deck__card:hover .quote-deck__reveal,
.quote-deck__card:focus-within .quote-deck__reveal {
    clip-path: inset(0 0 0 0);
    max-height: 6rem;
}
/* hover + focus affordances (layout/outline via theme token) */
@media (hover: hover) {
    .quote-deck-root [role="listitem"]:hover,
    .quote-deck-root article:hover,
    .quote-deck-root [class*="quote-deck__card"]:hover,
    .quote-deck-root .quote-deck__book:hover,
    .quote-deck-root .quote-deck__step:hover,
    .quote-deck-root .quote-deck__index-card:hover,
    .quote-deck-root .quote-deck__pill:hover,
    .quote-deck-root .quote-deck__item:hover {
        transform: translateY(-0.125rem);
    }
}

.quote-deck-root [role="listitem"],
.quote-deck-root article,
.quote-deck-root [class*="quote-deck__card"],
.quote-deck-root .quote-deck__book,
.quote-deck-root .quote-deck__step,
.quote-deck-root .quote-deck__index-card,
.quote-deck-root .quote-deck__pill {
    transition: transform 200ms ease;
}

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

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