/* intro v23 — BAPE grunge wizard: film strip, giant numbers, clip-path wipe hover, height-expand step */

/* Full-width step photo — cinematic banner, object-fit has no BS utility */
.intro-grit__photo {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
}

/* Progress track height (no BS h-N utility) */
.intro-grit__track { height: 0.25rem; }

/* Clip-path reveal on hover: primary wipe grows from the corner */
.intro-grit__wipe {
    clip-path: circle(0% at 90% 10%);
    opacity: 0.12;
    transition: clip-path 420ms ease;
}
.intro-grit__card:hover .intro-grit__wipe {
    clip-path: circle(150% at 90% 10%);
}

/* Height-expand accordion-style step entrance */
.intro-grit__step {
    animation: intro-grit-expand 420ms ease;
    transform-origin: top;
}
@keyframes intro-grit-expand {
    from { opacity: 0; transform: scaleY(0.96) translateY(-0.5rem); }
    to   { opacity: 1; transform: scaleY(1) translateY(0); }
}

/* Progress bar transition */
.intro-grit__bar { transition: width 360ms ease; width: 0; }

/* Stepper dots — state via opacity, colour stays a Tailwind class */
.intro-grit__dot {
    width: 0.625rem;
    height: 0.625rem;
    opacity: 0.35;
    transition: opacity 200ms ease, transform 200ms ease;
}
.intro-grit__dot.is-active {
    opacity: 1;
    transform: scale(1.35);
}

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

.staircase-bauhaus-timeline__triangle-tr {
    width: 20rem;
    height: 20rem;
    clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.staircase-bauhaus-timeline__triangle-bl {
    width: 14rem;
    height: 14rem;
    clip-path: polygon(0 100%, 100% 100%, 0 0);
}

.staircase-bauhaus-timeline__accent {
    width: 1.5rem;
    height: 8rem;
    top: 50%;
    left: 25%;
}

.staircase-bauhaus-timeline__sidebar {
    width: 36px;
}

.staircase-bauhaus-timeline__sidebar-title {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    letter-spacing: 0.25em;
}

.staircase-bauhaus-timeline__sidebar-line {
    width: 1px;
    min-height: 120px;
}

.staircase-bauhaus-timeline__stairs > * + * {
    margin-top: 1.5rem;
}

.staircase-bauhaus-timeline__stairs [data-indent] {
    margin-left: calc(var(--staircase-bauhaus-timeline__indent, 0) * 1px);
}

.staircase-bauhaus-timeline__number {
    width: 3.5rem;
    height: 3.5rem;
}

.staircase-bauhaus-timeline__connector {
    left: 1.75rem;
    top: 3.5rem;
    width: 1px;
    height: calc(100% + 1.5rem);
}

@keyframes staircase-bauhaus-timeline__draw {
    from { height: 0; }
    to { height: 100%; }
}

.staircase-bauhaus-timeline__line-animated {
    animation: staircase-bauhaus-timeline__draw 1.2s ease forwards;
}

.staircase-bauhaus-timeline__min-shrink {
  min-width: 0;
}

/* Bootstrap: сетка как Tailwind grid md:2 lg:4 + gap-lg */
.values-number-card__bs-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
}

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

@media (min-width: 1024px) {
    .values-number-card__bs-row {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.values-number-card__subtitle-max {
    max-width: 42rem;
}

.values-number-card__thumb {
    width: 4rem;
    height: 4rem;
}

.values-number-card__badge {
    top: -0.5rem;
    right: -0.5rem;
    width: 1.5rem;
    height: 1.5rem;
}

.split-screen-halo {
    width: 600px;
    height: 600px;
}

.split-screen-halo-soft {
    width: 500px;
    height: 500px;
}

.split-screen-beam-main {
    width: 24rem;
    height: 1px;
}

.split-screen-beam-side {
    width: 20rem;
    height: 1px;
}

.split-screen-frame {
    width: 6rem;
    height: 6rem;
}

.split-screen-orb {
    width: 4rem;
    height: 4rem;
}

.split-screen-marker {
    width: 2rem;
    height: 2rem;
}

.split-screen-emblem {
    width: 5rem;
    min-width: 5rem;
    height: 5rem;
    min-height: 5rem;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .split-screen-principle--odd {
        margin-left: 2rem;
    }
}

/* Совпадает с Tailwind max-w-4xl (56rem) для Bootstrap-ветки */
.border-rail-list__shell {
    max-width: 56rem;
}

.border-rail-list__portrait {
    width: 7rem;
    height: 7rem;
}

@media (min-width: 768px) {
    .border-rail-list__portrait {
        width: 8rem;
        height: 8rem;
    }
}

.border-rail-list__min-shrink {
  min-width: 0;
}