/* 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; }
}

.hive-card {
    clip-path: polygon(18% 0%, 82% 0%, 100% 50%, 82% 100%, 18% 100%, 0% 50%);
    min-height: 22rem;
    padding: 3.75rem 3.25rem 3rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.hive-card-icon {
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hive-card-glow,
.hive-card-accent {
    transition: transform 0.4s ease, opacity 0.3s ease, width 0.4s ease;
}

.hive-card:hover {
    transform: translateY(-0.4rem);
    box-shadow: var(--bs-box-shadow-lg);
    border-color: rgba(var(--bs-primary-rgb), 0.35) !important;
}

.hive-card:hover .hive-card-glow {
    transform: translate(1rem, -1rem) scale(1.12);
}

.hive-card:hover .hive-card-icon {
    transform: rotate(10deg) scale(1.04);
    box-shadow: var(--bs-box-shadow);
}

.hive-card:hover .hive-card-accent {
    width: 70% !important;
}

@media (max-width: 767.98px) {
    .hive-card {
        clip-path: none;
        min-height: 0;
        padding: 1.5rem;
        border-radius: 1.5rem;
    }
}

.feature-card-surface {
    position: relative;
    isolation: isolate;
    background: transparent !important;
    border-color: transparent !important;
    box-shadow: none !important;
}

.feature-card-surface > * {
    position: relative;
    z-index: 1;
}

.feature-card-surface::before {
    content: "";
    position: absolute;
    inset: calc(var(--bs-gutter-y, 1rem) * 0.5) calc(var(--bs-gutter-x, 1.5rem) * 0.5);
    border-radius: inherit;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color-translucent);
    box-shadow: var(--bs-box-shadow-sm);
    z-index: 0;
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.feature-card-surface:hover:before {
    box-shadow: var(--bs-box-shadow-lg);
    border-color: rgba(var(--bs-primary-rgb), 0.3);
}

/* -- 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);
}
.perks-wave-mosaic__thumb {
    width: 4rem;
    height: 4rem;
}

@media (min-width: 640px) {
    .perks-wave-mosaic__tile:hover {
        transform: scale(1.05);
    }
}

.perks-wave-mosaic__tile {
    transition: transform 0.3s ease;
}

.perks-wave-mosaic__accent {
    height: 0.25rem;
    transition: transform 0.3s ease;
}

/* cta v41 — nest calculator card: floating motion, stacked bars (no colors) */
.cta-nest__float { animation: cta-nest-float 7s ease-in-out infinite; }
.cta-nest__card { opacity: 0; transform: translateY(2rem) scale(.98); transition: opacity 700ms ease, transform 800ms cubic-bezier(.2, .8, .2, 1); }
.cta-nest__card.is-visible { opacity: 1; transform: none; }
.cta-nest__icon { width: 3rem; height: 3rem; }
.cta-nest__micro { font-size: .75rem; line-height: 1.15rem; }
.cta-nest__info { margin-top: .2rem; }
.cta-nest__range { cursor: pointer; }
.cta-nest__dot { display: inline-block; width: .625rem; height: .625rem; }

.cta-nest__chart { height: 10rem; }
.cta-nest__stack { height: 4%; min-height: .375rem; transition: height 600ms cubic-bezier(.2, .8, .2, 1); }
.cta-nest__seg { flex: 0 0 auto; height: 0; transition: height 600ms cubic-bezier(.2, .8, .2, 1); }

@keyframes cta-nest-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -.5rem; } }

@media (prefers-reduced-motion: reduce) {
    .cta-nest__float { animation: none; }
    .cta-nest__card { opacity: 1; transform: none; transition: none; }
    .cta-nest__stack, .cta-nest__seg { transition: none; }
}

.cta-nest__chart > * { min-width: 0; flex-basis: 0; }
/* phones: only every other period label fits under the columns */
@media (max-width: 575px) {
    .cta-nest__chart > :nth-child(even) [data-year] { visibility: hidden; }
    .cta-nest__chart [data-year] { white-space: nowrap; }
}