/* Центральное свечение (Tailwind: top-1/2 left-1/2 -translate w-96 blur) */
.hero-v12-glow-center {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 0;
    transform: translate(-50%, -50%);
    width: 24rem;
    height: 24rem;
    pointer-events: none;
    filter: blur(64px);
}

/* Иконки в ряду key-benefits (w-12 h-12 rounded-lg) */
.hero-v12-benefit-icon {
    box-sizing: border-box;
    width: 3rem;
    height: 3rem;
    flex-shrink: 0;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    overflow: hidden;
}

.hero-v12-benefit-icon i {
    line-height: 1;
}

/* Описание: как max-w-2xl в Bootstrap */
.hero-v12-desc-max {
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

/* -- Button hover states -- */
.hero-btn-primary {
    transition: filter 0.2s ease, transform 0.15s ease;
}
.hero-btn-primary:hover,
.hero-btn-primary:focus {
    filter: brightness(1.12);
    transform: translateY(-1px);
}

.hero-btn-outline-secondary {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.hero-btn-outline-secondary:hover,
.hero-btn-outline-secondary:focus {
    background-color: var(--bs-secondary) !important;
    color: #fff !important;
    border-color: var(--bs-secondary) !important;
    transform: translateY(-1px);
}

.hero-btn-outline-primary-light {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.hero-btn-outline-primary-light:hover,
.hero-btn-outline-primary-light:focus {
    background-color: var(--bs-primary) !important;
    color: #fff !important;
    border-color: var(--bs-primary) !important;
    transform: translateY(-1px);
}
@keyframes rotateSquare {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.intro-pattern-overlay {
    background-image: repeating-linear-gradient(45deg, transparent, transparent 20px, currentColor 20px, currentColor 40px);
    opacity: 0.03;
    top: -20%;
    left: -30%;
    width: 100%;
    height: 100%;
    animation: rotateSquare 20s linear infinite;
}

.intro-pattern-content {
    max-width: 56rem;
}

.features-tab-grid__decor--pulse {
    top: 0;
    right: 0;
    animation: features-tab-grid-pulse-kf 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.features-tab-grid__decor--spin {
    bottom: 0;
    left: 0;
    animation: features-tab-grid-spin-kf 1s linear infinite;
}

.features-tab-grid__decor--bounce {
    top: 50%;
    left: 25%;
    transform: rotate(-6deg);
    animation: features-tab-grid-bounce-kf 1s infinite;
}

.features-tab-grid__decor--line {
    top: 33.333333%;
    right: 25%;
    transform: rotate(6deg);
}

.features-tab-grid__tab {
    cursor: pointer;
}

.features-tab-grid__tab--active {
    border-bottom-color: var(--bs-primary, #0d6efd);
    color: var(--bs-primary, #0d6efd);
}

.features-tab-grid__tab--inactive {
    border-bottom-color: transparent;
    color: inherit;
}

.features-tab-grid__tab:hover {
    border-bottom-color: var(--bs-primary, #0d6efd);
    opacity: 0.8;
}

.features-tab-grid__card {
    transition: all 0.3s ease;
}

.features-tab-grid__card:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.features-tab-grid__card:hover .features-tab-grid__title {
    color: var(--bs-primary, #0d6efd);
}

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

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

@keyframes features-tab-grid-bounce-kf {
    0%, 100% { transform: translateY(-25%) rotate(-6deg); animation-timing-function: cubic-bezier(0.8,0,1,1); }
    50% { transform: none; animation-timing-function: cubic-bezier(0,0,0.2,1); }
}

/* -- 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-decor__bs-blob {
    background-color: var(--bs-primary-bg-subtle);
    opacity: 0.35;
    filter: blur(48px);
}
.features-decor__bs-shape {
    opacity: 0.15;
}
.features-decor__bs-line {
    border-left: 1px solid var(--bs-primary-border-subtle);
    opacity: 0.18;
}
/* v29 step funnel — badge fixed size (w-16 h-16 has no BS util) */
.perks-funnel__badge {
    width: 4rem;
    height: 4rem;
    flex-shrink: 0;
}

/* connecting horizontal line — full-width (absolute, no BS util) */
.perks-funnel__line {
    pointer-events: none;
}

/* stagger reveal animation (IntersectionObserver adds .is-visible) */
.perks-funnel__step {
    opacity: 0;
    transform: translateY(1.5rem);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.perks-funnel__step.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* stagger delays (max 4 steps) */
.perks-funnel__step:nth-child(1) { transition-delay: 0s; }
.perks-funnel__step:nth-child(2) { transition-delay: 0.1s; }
.perks-funnel__step:nth-child(3) { transition-delay: 0.2s; }
.perks-funnel__step:nth-child(4) { transition-delay: 0.3s; }

.reasons-grouped-checklist__col {
    min-width: 20rem;
}

.rounded-stack-quote__portrait {
    width: 5rem;
    height: 5rem;
}


.signup-conversion__section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.signup-conversion__slate--lift:hover { transform: scale(1.05); transition: transform .2s ease; }

.signup-conversion__action--lift:hover { transform: scale(1.05); transition: transform .2s ease; }

.signup-conversion__cards-bs {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    width: 100%;
    justify-content: center;
    box-sizing: border-box;
}

.signup-conversion__cards-bs > .signup-conversion__slate--lift {
    flex: 1 1 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .signup-conversion__cards-bs > .signup-conversion__slate--lift {
        flex: 1 1 calc((100% - 2rem) / 2);
        max-width: calc((100% - 2rem) / 2);
    }
}

@media (min-width: 992px) {
    .signup-conversion__cards-bs > .signup-conversion__slate--lift {
        flex: 1 1 calc((100% - 4rem) / 3);
        max-width: calc((100% - 4rem) / 3);
    }
}

/* subscribe v20 — split-screen editorial: geometry shared by both CSS frameworks, no colors */
.mxw-md {
    max-width: 28rem !important;
}

.mailing-split-collage__media {
    width: 100%;
    height: 18rem;
}

.mailing-split-collage__panel {
    width: 100%;
    padding: 2rem;
}

.mailing-split-collage__row {
    flex-direction: column;
    gap: 0.75rem;
}

.mailing-split-collage__input {
    padding: 0.75rem 1rem;
}

.mailing-split-collage__cta {
    padding: 0.75rem 1.5rem;
}

.mailing-split-collage__thanks-title {
    font-size: 1.125rem;
}

.mailing-split-collage__heading {
    writing-mode: horizontal-tb;
    font-size: 1.5rem;
}

@media (min-width: 640px) {
    .mailing-split-collage__row {
        flex-direction: row;
    }
}

/* vertical headline only from md+, where the panel becomes a side column */
@media (min-width: 768px) {
    .mailing-split-collage__grid {
        min-height: 36rem;
    }

    .mailing-split-collage__media,
    .mailing-split-collage__panel {
        width: 50%;
    }

    .mailing-split-collage__media {
        height: auto;
    }

    .mailing-split-collage__panel {
        padding: 3rem;
    }

    .mailing-split-collage__heading {
        writing-mode: vertical-rl;
        font-size: 1.875rem;
    }
}