/* intro v29 — Rolls-Royce thread: circle-expand reveal, half-ring, chat alignment, dual-layer parallax */

.intro-thread { min-height: 88vh; }

/* Clip-path circle expand from centre on load */
.intro-thread__reveal {
    animation: intro-thread-expand 900ms ease forwards;
}
@keyframes intro-thread-expand {
    from { clip-path: circle(0% at 50% 50%); }
    to   { clip-path: circle(150% at 50% 50%); }
}

/* Half-ring at the boundary (fixed size — no BS w-N/h-N utility) */
.intro-thread__half {
    width: 16rem;
    height: 8rem;
    opacity: 0.7;
    filter: blur(2px);
}
.intro-thread__sun { width: 6rem; height: 6rem; }
.intro-thread [data-msg] { max-width: 28rem; }

/* Dual-layer parallax offset (set by JS via custom props) */
.intro-thread__island [data-layer] {
    transition: transform 200ms ease-out;
    transform: translate(var(--px, 0), var(--py, 0));
}

/* Chat thread alternate alignment + retro corner tails */
.intro-thread [data-msg] { border-bottom-left-radius: 0.25rem; }
.intro-thread [data-msg]:nth-child(even) {
    margin-left: auto;
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 0.25rem;
}

@media (prefers-reduced-motion: reduce) {
    .intro-thread__reveal { animation: none; }
    .intro-thread__island [data-layer] { transition: none; }
}

/* Flex: дозволити прокрутку тексту в колонці однакової висоти (BS + TW) */
/* Flex column: allow inner scroll in equal-height grid */
.portfolio-v8-item {
    min-height: 0;
}

.portfolio-v8-box {
    min-height: 0;
}

.portfolio-v8-tech {
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.portfolio-v8-tech:hover {
    transform: scale(1.05);
}

/* Card hover: lift up + scale */
.portfolio-item-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.portfolio-item-hover:hover {
    transform: translateY(-0.5rem) scale(1.05);
}

/* Image: zoom on card hover */
.portfolio-item-hover .portfolio-img-hover {
    transition: transform 0.5s ease;
}
.portfolio-item-hover:hover .portfolio-img-hover {
    transform: scale(1.1);
}

.content-report-leaf__toggle {
    appearance: none;
    -webkit-appearance: none;
    font: inherit;
    cursor: pointer;
    outline-offset: -0.125rem;
}

.content-report-leaf__glyph {
    transition: transform 180ms ease;
}

.content-report-leaf__toggle.is-open .content-report-leaf__glyph {
    transform: rotate(45deg);
}

.content-report-leaf__orb {
    width: 10rem;
    height: 10rem;
    filter: blur(4rem);
}

.content-flex-min {
    min-width: 0;
}

.staircase-cascade-quote__portrait {
    width: 5rem;
    height: 5rem;
}

.staircase-cascade-quote__step:nth-child(1) .staircase-cascade-quote__shadow {
    transform: translate(0, 0);
}

.staircase-cascade-quote__step:nth-child(2) .staircase-cascade-quote__shadow {
    transform: translate(16px, 16px);
}

.staircase-cascade-quote__step:nth-child(3) .staircase-cascade-quote__shadow {
    transform: translate(32px, 32px);
}

.staircase-cascade-quote__step:nth-child(4) .staircase-cascade-quote__shadow {
    transform: translate(48px, 48px);
}

.staircase-cascade-quote__step:nth-child(5) .staircase-cascade-quote__shadow {
    transform: translate(64px, 64px);
}

.staircase-cascade-quote__step:nth-child(6) .staircase-cascade-quote__shadow {
    transform: translate(80px, 80px);
}

.staircase-cascade-quote__step:nth-child(n + 7) .staircase-cascade-quote__shadow {
    transform: translate(96px, 96px);
}

/* Hover — поза @sem; TW і BS */
.stats-card-hover {
  transition:
    box-shadow 0.3s ease,
    transform 0.3s ease;
}

.stats-card-hover:hover {
  box-shadow:
    0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);
  transform: scale(1.05);
}


.cta-staircase__step-num {
  width: 3rem;
  height: 3rem;
  min-width: 3rem;
  min-height: 3rem;
  flex-shrink: 0;
}

.cta-staircase__stairs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.cta-staircase__step {
  transform: translateX(calc(var(--step, 0) * 20px));
  animation: cta-staircase__fade 600ms ease both;
  animation-delay: calc(var(--step, 0) * 100ms);
}

@keyframes cta-staircase__fade {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(calc(var(--step, 0) * 20px)); }
}

@media (max-width: 768px) {
  .cta-staircase__step {
    transform: translateX(0);
  }
}