/* 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);
}
/* Grid + gap: @sem may obfuscate Tailwind grid/gap */
.badge-tower-grid {
    display: grid;
    width: 100%;
    gap: 2rem;
    grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 1024px) {
    .badge-tower-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* Badge anchor: stable vertical offset (bs had top-0; tw -top-8 was too low vs 5rem circle) */
.philosophy-v3-badge-decor {
    top: -4.25rem;
}

.philosophy-large-badge {
    width: 5rem;
    height: 5rem;
}

.philosophy-bg__img {
    object-fit: cover;
}

.float-jitter-grid__portrait {
    width: 7rem;
    height: 7rem;
}

@media (min-width: 768px) {
    .float-jitter-grid__portrait {
        width: 8rem;
        height: 8rem;
    }
}

.float-jitter-grid__beacon {
    width: 1.5rem;
    height: 1.5rem;
}

.float-jitter-grid__tile:nth-child(4n+2) {
    transform: translateY(1rem) translateX(0.5rem);
}

.float-jitter-grid__tile:nth-child(4n+3) {
    transform: translateY(2rem) translateX(-0.5rem);
}

.float-jitter-grid__tile:nth-child(4n+4) {
    transform: translateY(1rem) translateX(1rem);
}

/* v26 — morse-code ornament: fixed dot/dash sizing outside the Tailwind spacing scale */
.whyus-morse__mark {
    display: inline-block;
    flex-shrink: 0;
}

.whyus-morse__mark--dot {
    width: 0.375rem;
    height: 0.375rem;
}

.whyus-morse__mark--dash {
    width: 1.5rem;
    height: 0.3125rem;
}

/* v26 — Art Nouveau corner flourish: subtle organic rotation */
.whyus-flourish {
    transform: rotate(-6deg);
}

/* v26 — letterpress heading: tightened, print-like leading (color/weight handled by Tailwind classes) */
.whyus-letterpress__heading {
    line-height: 1.15;
    letter-spacing: 0.01em;
}

/* v26 — spring/bounce entrance, plays once on load */
@keyframes whyus-spring-in {
    0% {
        opacity: 0;
        transform: translateY(28px) scale(0.96);
    }
    60% {
        opacity: 1;
        transform: translateY(-6px) scale(1.015);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.whyus-spring-in {
    animation: whyus-spring-in 900ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.whyus-spring-in--delay {
    animation-delay: 160ms;
}

.whyus-highlight-card {
    animation: whyus-spring-in 700ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.whyus-highlight-card:nth-child(1) { animation-delay: 0.1s; }
.whyus-highlight-card:nth-child(2) { animation-delay: 0.2s; }
.whyus-highlight-card:nth-child(3) { animation-delay: 0.3s; }

/* v26 — ripple-from-cursor effect on comparison cells (color applied via Tailwind class in script.js) */
.whyus-ripple {
    position: absolute;
    left: 0;
    top: 0;
    width: 14px;
    height: 14px;
    border-radius: 9999px;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0);
    animation: whyus-ripple 600ms ease-out forwards;
}

@keyframes whyus-ripple {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 0.6;
    }
    100% {
        transform: translate(-50%, -50%) scale(9);
        opacity: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .whyus-spring-in,
    .whyus-ripple,
    .whyus-highlight-card {
        animation: none;
    }
}


.spark-boost__section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.spark-boost__inner {
    min-height: 500px;
    display: flex;
    align-items: center;
}

@media (min-width: 768px) {
    .spark-boost__inner { min-height: 600px; }
}

/* Bootstrap: как у Tailwind p-sm → md:p-lg → lg:p-xl → xl:p-4xl (без фиксированных 6rem на мобиле) */
.spark-boost__vessel-bs {
    box-sizing: border-box;
    padding: 0.5rem;
}

@media (min-width: 768px) {
    .spark-boost__vessel-bs { padding: 1.5rem; }
}

@media (min-width: 992px) {
    .spark-boost__vessel-bs { padding: 2rem; }
}

@media (min-width: 1280px) {
    .spark-boost__vessel-bs { padding: 6rem; }
}

/* Bootstrap: две колонки + стабильный gap (row/g-* часто «съедаются» сбросами) */
.spark-boost__split-grid-bs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .spark-boost__split-grid-bs { gap: 1.5rem; }
}

.spark-boost__split-grid-bs > * {
    flex: 1 1 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

@media (min-width: 992px) {
    .spark-boost__split-grid-bs {
        flex-wrap: nowrap;
    }

    .spark-boost__split-grid-bs > * {
        flex: 1 1 0;
        max-width: 50%;
    }
}

.spark-boost__slab--glass { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }

@keyframes spark-boost-highlight-throb-seq {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.spark-boost__highlight--throb {
    animation: spark-boost-highlight-throb-seq 2s cubic-bezier(.4,0,.6,1) infinite;
}

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

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

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