/* intro v27 — Evangelion cascade: organic blob, wide banner, diagonal steps, slide-in L/R, word reveal */

/* Organic blob */
.intro-eva__blob {
    width: 24rem;
    height: 24rem;
    filter: blur(60px);
    opacity: 0.4;
    border-radius: 38% 62% 55% 45% / 55% 42% 58% 45%;
    animation: intro-eva-morph 12s ease-in-out infinite;
}
@keyframes intro-eva-morph {
    50% { border-radius: 55% 45% 42% 58% / 42% 58% 45% 55%; }
}

/* Single wide banner */
.intro-eva__banner-img {
    display: block;
    width: 100%;
    height: 12rem;
    object-fit: cover;
}
@media (min-width: 768px) {
    .intro-eva__banner-img { height: 16rem; }
}

/* Stepped diagonal cascade + asymmetric mixed sizes */
.intro-eva__row { margin-left: 0; }
.intro-eva__cell { max-width: 46rem; }
@media (min-width: 768px) {
    .intro-eva__row:nth-child(1) .intro-eva__cell { margin-left: 0;    max-width: 40rem; }
    .intro-eva__row:nth-child(2) .intro-eva__cell { margin-left: 3rem; max-width: 34rem; }
    .intro-eva__row:nth-child(3) .intro-eva__cell { margin-left: 6rem; max-width: 44rem; }
    .intro-eva__row:nth-child(4) .intro-eva__cell { margin-left: 9rem; max-width: 30rem; }
}

/* Slide-in from L / R on scroll — hidden only once JS arms it (no-JS content stays visible) */
.intro-eva.is-armed .intro-eva__row {
    opacity: 0;
    transition: opacity 560ms ease, transform 560ms ease;
}
.intro-eva.is-armed .intro-eva__row:nth-child(odd)  { transform: translateX(-2.5rem); }
.intro-eva.is-armed .intro-eva__row:nth-child(even) { transform: translateX(2.5rem); }
.intro-eva.is-armed .intro-eva__row.is-in { opacity: 1; transform: translateX(0); }

/* Letterpress-ish press using the element's own colour */
.intro-eva__press { text-shadow: 0 1px 0 currentColor; }

/* Word-by-word reveal */
.intro-eva__word { display: inline-block; }
.intro-eva.is-armed .intro-eva__word {
    opacity: 0;
    transform: translateY(0.6em);
    transition: opacity 420ms ease, transform 420ms ease;
}
.intro-eva.is-armed .intro-eva__reveal.is-in .intro-eva__word { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    .intro-eva__blob { animation: none; }
    .intro-eva__row { opacity: 1; transform: none; }
    .intro-eva__word { opacity: 1; transform: none; }
}

/* process tron — grid bg pattern, card glow line, hover + active state */
.process-tron__grid-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.35;
    background-image:
        linear-gradient(currentColor 1px, transparent 1px),
        linear-gradient(90deg, currentColor 1px, transparent 1px);
    background-size: 3rem 3rem;
}

.process-tron__card {
    cursor: pointer;
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.process-tron__card-hov:hover,
.process-tron__card-hov:focus-within,
.process-tron__card.is-active {
    transform: translateY(-0.35rem);
    box-shadow: var(--bs-box-shadow-lg);
    border-color: var(--bs-primary);
}

.process-tron__glow-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--bs-primary);
    opacity: 0;
    transition: opacity 220ms ease;
}

.process-tron__card-hov:hover .process-tron__glow-line,
.process-tron__card-hov:focus-within .process-tron__glow-line,
.process-tron__card.is-active .process-tron__glow-line {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .process-tron__card {
        transition: none;
    }

    .process-tron__card-hov:hover,
    .process-tron__card-hov:focus-within,
    .process-tron__card.is-active {
        transform: none;
    }
}

@media (min-width: 768px) {
    .steps-dual-panel__sticky-col {
        position: sticky;
        top: 2rem;
    }
}

.steps-dual-panel__badge-circle {
    width: 3rem;
    height: 3rem;
}

.steps-dual-panel__decor-dot {
    width: 0.5rem;
    height: 0.5rem;
}

@keyframes perks-timeline-stripe-line-move-kf {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

.perks-timeline-stripe__line {
    position: absolute;
    width: 2px;
    animation-name: perks-timeline-stripe-line-move-kf;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}

.perks-timeline-stripe__dot {
    left: -3rem;
    top: 1.5rem;
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s ease;
}

.perks-timeline-stripe__orb--tr {
    width: 24rem;
    height: 24rem;
}

.perks-timeline-stripe__orb--bl {
    width: 20rem;
    height: 20rem;
}

@media (min-width: 768px) {
    .perks-timeline-stripe__rail:hover .perks-timeline-stripe__dot {
        transform: scale(1.5);
    }
}


.stackup-ledger__slate--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

.stackup-ledger__preview--glow:hover { transform: scale(1.1); transition: transform .2s ease; }

.stackup-ledger__mark--glow:hover { transform: scale(1.1); transition: transform .2s ease; }

.stackup-ledger__piece--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

/* FAQ v18 — accordion mechanics */
.faq-accordion-panel {
    max-height: 0;
}

.faq-accordion-icon.solver-hints-symbol-reveal {
    transform: rotate(180deg);
}