/* intro v26 — Dieter Rams node: hex grid, bottom band, blurred ghost image, serif, typewriter */

/* Hexagon-ish grid (minimal, colour from Tailwind text-*, lines via currentColor) */
.intro-node__hex {
    background-image:
        repeating-linear-gradient(60deg, currentColor 0 1px, transparent 1px 26px),
        repeating-linear-gradient(-60deg, currentColor 0 1px, transparent 1px 26px);
    opacity: 0.1;
}

.intro-node__band { height: 10rem; opacity: 0.7; }

/* Blurred background photo behind the spotlight node */
.intro-node__ghost { height: 14rem; }
.intro-node__img {
    object-fit: cover;
    filter: blur(10px);
    opacity: 0.35;
    transform: scale(1.08);
}

/* Serif heading */
.intro-node__serif {
    font-family: ui-serif, Georgia, "Times New Roman", serif;
}

/* Org-chart stem connector */
.intro-node__stem {
    width: 1px;
    height: 2rem;
}

/* Typewriter caret */
.intro-node__type .is-typing {
    border-right: 2px solid currentColor;
    animation: intro-node-caret 800ms step-end infinite;
}
@keyframes intro-node-caret {
    50% { border-color: transparent; }
}

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

.features-accordion__item summary::-webkit-details-marker {
    display: none;
}

.features-accordion__item summary::marker {
    display: none;
}

.features-accordion__chevron {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.features-accordion__item[open] .features-accordion__chevron {
    transform: rotate(180deg);
}

.features-accordion__item[open] .features-accordion__icon--scale {
    transform: scale(1.05);
}

@keyframes features-accordion-pulse-kf {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}

@keyframes features-accordion-spin-kf {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes features-accordion-bounce-kf {
    0%, 100% { transform: translateY(-25%); animation-timing-function: cubic-bezier(0.8,0,1,1); }
    50% { transform: none; animation-timing-function: cubic-bezier(0,0,0.2,1); }
}

.features-accordion__decor--pulse {
    filter: blur(32px);
    animation: features-accordion-pulse-kf 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.features-accordion__decor--spin {
    animation: features-accordion-spin-kf 1s linear infinite;
}

.features-accordion__decor--bounce {
    transform: rotate(45deg);
    animation: features-accordion-bounce-kf 1s infinite;
}

.features-accordion__decor--line {
    transform: rotate(12deg);
}

/* -- Feature card hover -- */
.feat-card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feat-card-hover:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1.5rem rgba(0,0,0,.12) !important;
}

/* -- Icon box sizing -- */
.feat-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    min-width: 2.5rem;
    min-height: 2.5rem;
}
.feat-icon-box--lg {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
}
.feat-icon-box--xl {
    width: 5rem;
    height: 5rem;
    border-radius: 1rem;
}
.feat-icon-box--circle {
    border-radius: 50%;
}

/* -- Nav/filmstrip button hover -- */
.feat-btn-nav {
    transition: transform 0.15s ease, background-color 0.15s ease;
}
.feat-btn-nav:hover {
    transform: scale(1.1);
}

/* -- Table row hover -- */
.feat-table-row-hover {
    transition: background-color 0.15s ease;
}
.feat-table-row-hover:hover {
    background-color: var(--bs-primary-bg-subtle) !important;
}

/* -- Accordion item hover -- */
.feat-accordion-hover summary:hover {
    background-color: var(--bs-primary-bg-subtle);
    border-radius: 0.75rem;
}

/* -- DL item hover -- */
.feat-dl-item-hover {
    transition: background-color 0.15s ease;
    border-radius: 0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}
.feat-dl-item-hover:hover {
    background-color: var(--bs-primary-bg-subtle);
}

/* -- Deck button hover -- */
.feat-deck-btn {
    transition: filter 0.2s ease, transform 0.15s ease;
}
.feat-deck-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}
/* BS-mode decorative shapes — subtle, non-intrusive */
.features-accordion__decor--bs-blob {
    width: 14rem;
    height: 14rem;
    background-color: var(--bs-primary-bg-subtle);
    opacity: 0.35;
    filter: blur(48px);
}
.features-accordion__decor--bs-shape {
    opacity: 0.15;
}
.features-accordion__decor--bs-line {
    border-left: 1px solid var(--bs-primary-border-subtle);
    opacity: 0.2;
}
/* process split — shell split, deck grid, marker, step numbers, stagger, panel borders */
.process-split__shell {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
}

@media (min-width: 992px) {
    .process-split__shell {
        grid-template-columns: 1fr 1fr;
        gap: 3.5rem;
    }
}

.process-split__deck {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
}

.process-split__marker {
    width: 0.625rem;
    height: 0.625rem;
}

.process-split__num {
    font-size: clamp(2.75rem, 5vw, 4.5rem);
    line-height: 0.9;
    letter-spacing: -0.03em;
}

.process-split__rule {
    width: 100%;
    height: 1px;
}

.process-split__col .process-split__blade:last-child {
    border-bottom-width: 0;
}

@media (min-width: 992px) {
    .process-split__deck--ruled {
        border-left: 1px solid var(--bs-border-color);
        border-top-width: 0;
        padding-top: 3.5rem;
    }

    .process-split__col--shift {
        margin-top: -3.5rem;
    }
}

@media (max-width: 991px) {
    .process-split__col--shift {
        margin-top: 0;
    }
}

.process-split__blade {
    transition: transform 200ms ease;
}

.process-split__blade:hover {
    transform: translateY(-2px);
}

/* v21 editorial — vertical sidebar title */
.perks-editorial-aside__sidebar {
    width: 3rem;
    flex-shrink: 0;
}

.perks-editorial-aside__title-wrap {
    position: sticky;
    top: 6rem;
    height: calc(100vh - 8rem);
    max-height: 32rem;
}

.perks-editorial-aside__h2 {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    white-space: nowrap;
}

.perks-editorial-aside__rule {
    min-height: 2rem;
    flex: 1 1 auto;
    width: 1px;
}

/* numbered item — prevent selection */
.perks-editorial-aside__num {
    user-select: none;
    -webkit-user-select: none;
    min-width: 3.5rem;
}

/* mobile: stack layout, show h2 horizontally */
@media (max-width: 767px) {
    .perks-editorial-aside__sidebar {
        width: 100%;
    }

    .perks-editorial-aside__title-wrap {
        position: static;
        height: auto;
        flex-direction: row !important;
        align-items: center;
        justify-content: flex-start;
    }

    .perks-editorial-aside__h2 {
        writing-mode: horizontal-tb;
        transform: none;
        white-space: normal;
    }

    .perks-editorial-aside__rule {
        display: none;
    }
}