/* intro v28 — Arc diagonal-split: clip split, floating rings, ransom-note words, grayscale hover, click burst */

/* Diagonal split zone */
.intro-arc2__split {
    clip-path: polygon(0 0, 100% 0, 100% 62%, 0 100%);
    opacity: 0.6;
}

/* Floating rings / donuts (fixed size — no BS w-N/h-N utility) */
.intro-arc2__ring { width: 10rem; height: 10rem; animation: intro-arc2-float 7s ease-in-out infinite; }
.intro-arc2__ring--2 { width: 6rem; height: 6rem; animation-duration: 9s; animation-delay: 1s; }
@keyframes intro-arc2-float {
    50% { transform: translateY(-1.2rem) rotate(20deg); }
}

/* Serif accent (paired with sans body) */
.intro-arc2__serif { font-family: ui-serif, Georgia, "Times New Roman", serif; }

/* Hero image grayscale → colour reveal on hover */
.intro-arc2__figure { aspect-ratio: 4 / 3; }
.intro-arc2__img {
    object-fit: cover;
    filter: grayscale(1);
    transition: filter 420ms ease;
}
.intro-arc2__figure:hover .intro-arc2__img { filter: grayscale(0); }

/* Ransom-note mixed letters: alternate rotation, weight, family (no colour) */
.intro-arc2__word {
    display: inline-block;
    margin-right: 0.25em;
}
.intro-arc2__word:nth-child(3n+1) { transform: rotate(-4deg); font-weight: 900; }
.intro-arc2__word:nth-child(3n+2) { transform: rotate(3deg);  font-family: ui-serif, Georgia, serif; font-style: italic; }
.intro-arc2__word:nth-child(3n+3) { transform: rotate(-1deg); font-weight: 700; text-transform: uppercase; }

/* Click burst spark (inherits the button's primary colour via currentColor) */
.intro-arc2__react { position: relative; overflow: visible; }
.intro-arc2__spark {
    position: absolute;
    left: 50%;
    top: 50%;
    pointer-events: none;
    animation: intro-arc2-burst 640ms ease-out forwards;
}
@keyframes intro-arc2-burst {
    to { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(0.4) rotate(160deg); }
}

@media (prefers-reduced-motion: reduce) {
    .intro-arc2__ring { animation: none; }
}

/* v27 - folded paper corner (clip-path fold has no TW/BS utility) */
[data-fold-card] {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 1.25rem 100%, 0 calc(100% - 1.25rem));
    transition: clip-path 200ms ease;
}

[data-fold-card]:hover {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0.5rem 100%, 0 calc(100% - 0.5rem));
}

/* Three-column grid — real CSS grid, framework-agnostic (never row/col-* + gap together) */
.parchment-trio__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .parchment-trio__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Fixed icon badge size — no Bootstrap utility beyond w-25/50/75/100 */
.parchment-trio__badge {
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* process stack — sticky scroll layering, marker, oversized step numbers */
.process-stack__marker {
    width: 0.625rem;
    height: 0.625rem;
}

.process-stack__num {
    font-size: clamp(3.5rem, 11vw, 7.5rem);
    line-height: 0.85;
    letter-spacing: -0.04em;
}

@media (min-width: 768px) {
    .process-stack__slot {
        min-height: min(52vh, 26rem);
    }

    .process-stack__slot:last-child {
        min-height: 0;
    }

    .process-stack__panel {
        position: sticky;
        top: 5rem;
        z-index: calc(var(--stack-index, 0) + 1);
    }
}

.stance-flip__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 640px) {
    .stance-flip__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

.stance-flip__card {
    perspective: 1200px;
    height: 32rem;
    overflow: hidden;
    border-radius: 1rem;
}

.stance-flip__inner {
    transition: transform 500ms ease;
    transform-style: preserve-3d;
}

.stance-flip__card.is-flipped .stance-flip__inner {
    transform: rotateY(180deg);
}

.stance-flip__face {
    backface-visibility: hidden;
}

.stance-flip__face--back {
    transform: rotateY(180deg);
}

.dashboard-metrics-timeline__grid-lines {
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 39px, currentColor 39px, currentColor 40px),
        repeating-linear-gradient(90deg, transparent, transparent 79px, currentColor 79px, currentColor 80px);
}

@keyframes dashboard-metrics-timeline__pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.dashboard-metrics-timeline__pulse {
    width: 0.5rem;
    height: 0.5rem;
    animation: dashboard-metrics-timeline__pulse 2s ease infinite;
}

.dashboard-metrics-timeline__watermark {
    font-size: clamp(60px, 12vw, 140px);
    opacity: 0.03;
}

.dashboard-metrics-timeline__icon {
    width: 2rem;
    height: 2rem;
}

.dashboard-metrics-timeline__metric {
    font-size: 2rem;
}

.dashboard-metrics-timeline__bar {
    height: 4px;
}

.dashboard-metrics-timeline__progress {
    height: 4px;
    width: var(--dashboard-metrics-timeline__width, 0%);
}

.dashboard-metrics-timeline__index-dot {
    width: 6px;
    height: 6px;
}

@keyframes dashboard-metrics-timeline__count {
    from { opacity: 0; }
    to { opacity: 1; }
}

.dashboard-metrics-timeline__line {
    height: 1px;
}

/* Bootstrap branch: explicit grid + gap (row gutters often collapse with overflow / theme resets) */
.dashboard-metrics-timeline__bs-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
}

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

@media (min-width: 1024px) {
    .dashboard-metrics-timeline__bs-row {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 2.25rem;
    }
}

.dashboard-metrics-timeline__min-shrink {
  min-width: 0;
}