/* 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; }
}

/* v23 — Bootstrap branch: same rhythm as Tailwind gap-lg + grid columns */
.numbered-step-grid-timeline__bs-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .numbered-step-grid-timeline__bs-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .numbered-step-grid-timeline__bs-row {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* Parity with Tailwind max-w-2xl on header block */
.numbered-step-grid-timeline__area-bw {
    max-width: 42rem;
}

.numbered-step-grid-timeline__min-shrink {
  min-width: 0;
}

/* v22 - orbit hub board (grid-template-areas has no Tailwind/BS utility) */
[data-orbit-board] {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas: "hub" "a" "b" "c" "d";
    gap: 1.5rem;
    align-items: center;
}

.steps-orbit-hub__hub {
    grid-area: hub;
    width: 6rem;
    height: 6rem;
    margin: 0 auto;
}

.radial-hub__badge {
    width: 3rem;
    height: 3rem;
}

[data-orbit-slot="0"] {
    grid-area: a;
}

[data-orbit-slot="1"] {
    grid-area: b;
}

[data-orbit-slot="2"] {
    grid-area: c;
}

[data-orbit-slot="3"] {
    grid-area: d;
}

@media (min-width: 768px) {
    [data-orbit-board] {
        grid-template-columns: 1fr auto 1fr;
        grid-template-areas:
            "a hub b"
            "c hub d";
    }
}

.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;
    }
}

/* values split v16 - layout/size only, no colors */
.values-split__decor-circle {
    aspect-ratio: 1 / 1;
}

.values-split__numeral {
    line-height: 0.85;
    letter-spacing: -0.04em;
}

.values-split__row {
    will-change: transform;
}

/* quote v18 — checkerboard rhythm, extrude title, icon glyph cards */

/* BS glyph tile sizing (TW w-12 h-12 = 3rem) */
.quote-check__glyph {
    width: 3rem;
    height: 3rem;
    flex-shrink: 0;
}

.quote-check__meta {
    min-width: 0;
}

.quote-scan__layer {
    animation: quoteScanFlicker 4s steps(2, end) infinite;
}
@keyframes quoteScanFlicker {
    0%, 92%, 100% { opacity: 0.35; }
    94% { opacity: 0.7; }
}

/* checkerboard stagger — margin only (transform on ancestors breaks flip-card 3D) */
.quote-check__cell:nth-child(odd) {
    margin-top: 0.25rem;
}
.quote-check__cell:nth-child(even) {
    margin-bottom: 0.25rem;
}

.quote-check__grid.is-compact-grid .quote-check__cell {
    margin-top: 0;
    margin-bottom: 0;
}

.quote-flip__perspective {
    perspective: 1400px;
}

.quote-flip__card {
    cursor: pointer;
    overflow: visible;
}
.quote-flip__card:active {
    transform: none;
    scale: 1;
}

.quote-tape__strip {
    width: 3.5rem;
    height: 1.25rem;
    transform: rotate(-12deg);
}
.quote-tape__strip--a {
    top: -0.35rem;
    left: 0.75rem;
}
.quote-tape__strip--b {
    top: -0.35rem;
    right: 0.75rem;
    transform: rotate(12deg);
}

.quote-check__extrude {
    position: absolute;
    top: 0;
    left: 0;
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
    line-height: 1.2;
}
.quote-check__extrude--back {
    transform: translate(3px, 3px);
}
.quote-check__extrude--mid {
    transform: translate(6px, 6px);
}

.quote-flip__inner {
    display: grid;
    position: relative;
    width: 100%;
    transform-style: preserve-3d;
    transition: transform 450ms ease;
}
.quote-flip__face {
    grid-area: 1 / 1;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
.quote-flip__card.is-flipped .quote-flip__inner {
    transform: rotateY(180deg);
}
.quote-flip__face--back {
    transform: rotateY(180deg);
}

.quote-flip__card:focus-visible {
    outline: 2px solid var(--bs-primary);
    outline-offset: 2px;
}

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

@media (hover: hover) {
    .quote-check-root button:hover {
        opacity: 0.92;
    }
}