/* 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; }
}

.doctrine-magazine__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

@media (min-width: 1024px) {
    .doctrine-magazine__grid {
        grid-template-columns: minmax(0, 320px) 1fr;
        gap: 4rem;
    }

    .doctrine-magazine__aside {
        position: sticky;
        top: 6rem;
        align-self: start;
    }
}

.doctrine-magazine__image {
    height: 14rem;
    object-fit: cover;
}

/* process editor — brand mark sizing */
.process-editor__brand {
    letter-spacing: 0.04em;
}

/* process editor — hero bar between mega words */
.process-editor__hero-bar {
    flex: 1 1 6rem;
    height: 0.65rem;
    min-width: 3rem;
    max-width: 100%;
    align-self: flex-end;
    margin-bottom: 0.35em;
}

/* process editor — oversized condensed display type */
.process-editor__mega {
    letter-spacing: -0.06em;
    line-height: 0.82;
}

.process-editor__mega--lead {
    font-size: clamp(3.5rem, 16vw, 11rem);
}


.process-editor__mega--stack {
    font-size: clamp(3rem, 13vw, 9rem);
    margin-top: -0.08em;
}

/* process editor — italic accent word in kicker */
.process-editor__kicker {
    font-size: clamp(1.75rem, 4.5vw, 3.75rem);
}

.process-editor__kicker-accent {
    display: inline-block;
    font-size: clamp(2.25rem, 6vw, 5rem);
    line-height: 0.95;
    vertical-align: baseline;
    margin-inline: 0.15em;
}

/* process editor — vertical step nav */
.process-editor__nav-btn {
    appearance: none;
    -webkit-appearance: none;
    font: inherit;
    cursor: pointer;
    outline-offset: -2px;
    transition: opacity 200ms ease, transform 200ms ease;
}

.process-editor__nav-btn.is-active {
    transform: translateX(0.25rem);
}

.process-editor__nav-btn.is-active .process-editor__nav-label {
    color: var(--tw-primary-900, var(--bs-primary));
    font-weight: 700;
}

.process-editor__nav-btn:not(.is-active) .process-editor__nav-label {
    opacity: 0.72;
}

.process-editor__panel {
    animation: process-editor-panel-in 280ms ease;
}

@keyframes process-editor-panel-in {
    from {
        opacity: 0;
        transform: translateY(0.5rem);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1023px) {
    .process-editor__hero-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .process-editor__hero-bar {
        width: 70%;
        flex: none;
        margin-bottom: 0;
    }

    .process-editor__kicker {
        text-align: left;
    }
}

@media (prefers-reduced-motion: reduce) {
    .process-editor__nav-btn,
    .process-editor__panel {
        animation: none;
        transition: none;
    }

    .process-editor__nav-btn.is-active {
        transform: none;
    }
}

/* v24 - ascending staircase offsets (per-index transform has no TW/BS utility) */
.climb-tier__badge {
    width: 2.75rem;
    height: 2.75rem;
}

@media (min-width: 640px) {
    [data-stair-step] {
        transition: transform 200ms ease;
    }

    [data-stair-step="0"] {
        transform: translateX(0);
    }

    [data-stair-step="1"] {
        transform: translateX(1.5rem);
    }

    [data-stair-step="2"] {
        transform: translateX(3rem);
    }

    [data-stair-step="3"] {
        transform: translateX(4.5rem);
    }

    [data-stair-step="4"] {
        transform: translateX(6rem);
    }
}

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

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

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

.content-col-grow {
    flex: 1 1 0%;
    min-width: 0;
}

.content-base-height {
    display: block;
    width: 100%;
    height: 16rem;
    min-height: 16rem;
    flex-shrink: 0;
    object-fit: cover;
}

/* Layout parity: Bootstrap bs: branch — values match theme/tailwind spacing (see v11 tw:) */
.content-v11-bs--root {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.content-v11-bs--area {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
}

.content-v11-bs--row {
    gap: 2rem;
}

@media (min-width: 992px) {
    .content-v11-bs--col-copy {
        max-width: 42rem;
    }
}

.content-v11-bs--panel-mb {
    margin-bottom: 2rem;
}

.content-v11-bs--col-visual {
    position: relative;
}

.content-v11-bs--media-back {
    position: absolute;
    top: 10rem;
    left: 1.25rem;
    width: 80%;
    pointer-events: none;
}

.content-v11-bs--media-front {
    position: relative;
    z-index: 10;
    margin-bottom: 5rem;
    margin-left: 2rem;
    width: 50%;
}