/* intro v19 — photo-free index list: soft blurred blobs, fixed icon tiles, scroll reveal */

/* Soft background blobs (fixed size + blur have no BS utility; colour stays a Tailwind/BS class) */
.intro-index__blob {
    width: 24rem;
    height: 24rem;
    filter: blur(64px);
    opacity: 0.5;
}

/* Icon tile fixed size (BS has no w-N/h-N utility) */
.intro-index__icon-tile {
    width: 3rem;
    height: 3rem;
}

/* Scroll reveal — cards hide only once JS arms the section (no-JS content stays visible) */
.intro-index.is-armed .intro-index__card {
    opacity: 0;
    transform: translateY(1.5rem);
    transition: opacity 560ms ease, transform 560ms ease;
}
.intro-index.is-armed .intro-index__card.is-in {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .intro-index.is-armed .intro-index__card {
        opacity: 1;
        transform: none;
        transition: none;
    }
}


.content-flex-min {
    min-width: 0;
}

.section-document__visual--rise:hover { transform: scale(1.05); transition: transform .2s ease; }

.content-grid-gap {
    gap: 2rem;
}

.content-wide-frame {
    max-width: 72rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.content-heading-gap {
    margin-bottom: 2rem;
}

.content-large-height {
    display: block;
    width: 100%;
    height: 20rem;
    min-height: 20rem;
    flex-shrink: 0;
    object-fit: cover;
}

.content-base-height {
    display: block;
    width: 100%;
    height: 16rem;
    min-height: 16rem;
    flex-shrink: 0;
    object-fit: cover;
}

.tips-compact__thumb {
    width: 3rem;
    height: 3rem;
}

.tips-compact__thumb--xs {
    width: 1.5rem;
    height: 1.5rem;
}

.tips-compact__min-shrink {
    min-width: 0;
}


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

.explain-solver__icon-thumb { width: 3rem; height: 3rem; }

/* subscribe v13 — slim row decor float/pulse & thank-you reveal (layout/animation only) */
@keyframes mailing-slim-row-ring-pulse {
    0%, 100% {
        transform: translateY(-50%) scale(1);
    }
    50% {
        transform: translateY(-50%) scale(1.08);
    }
}

@keyframes mailing-slim-row-orbit-float {
    0%, 100% {
        transform: translateY(-50%) translateX(0);
    }
    50% {
        transform: translateY(calc(-50% - 0.45rem)) translateX(-0.2rem);
    }
}

@keyframes mailing-slim-row-mail-bob {
    0%, 100% {
        transform: translateY(-50%) rotate(-4deg);
    }
    50% {
        transform: translateY(calc(-50% - 0.35rem)) rotate(4deg);
    }
}

@keyframes mailing-slim-row-dot-drift {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.55;
    }
    50% {
        transform: translateY(-0.35rem);
        opacity: 1;
    }
}

@keyframes mailing-slim-row-dot-drift-centered {
    0%, 100% {
        transform: translateY(-50%);
        opacity: 0.55;
    }
    50% {
        transform: translateY(calc(-50% - 0.35rem));
        opacity: 1;
    }
}

@keyframes mailing-slim-row-thanks-in {
    from {
        opacity: 0;
        transform: translateX(0.75rem);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.mailing-slim-row__ring {
    animation: mailing-slim-row-ring-pulse 5s ease-in-out infinite;
}

.mailing-slim-row__orb {
    animation: mailing-slim-row-orbit-float 4.5s ease-in-out infinite;
    animation-delay: 0.4s;
}

.mailing-slim-row__mail {
    animation: mailing-slim-row-mail-bob 3.5s ease-in-out infinite;
}

.mailing-slim-row__dot--a {
    animation: mailing-slim-row-dot-drift-centered 3s ease-in-out infinite;
}

.mailing-slim-row__dot--b {
    animation: mailing-slim-row-dot-drift 3.6s ease-in-out infinite;
    animation-delay: 0.8s;
}

.mailing-slim-row__dot--c {
    animation: mailing-slim-row-dot-drift 2.8s ease-in-out infinite;
    animation-delay: 1.5s;
}

.mailing-slim-row__thanks-in {
    animation: mailing-slim-row-thanks-in 0.45s ease-out both;
}

@media (prefers-reduced-motion: reduce) {
    .mailing-slim-row__ring,
    .mailing-slim-row__orb,
    .mailing-slim-row__mail,
    .mailing-slim-row__dot--a,
    .mailing-slim-row__dot--b,
    .mailing-slim-row__dot--c,
    .mailing-slim-row__thanks-in {
        animation: none;
    }
}