/* intro v21 — Loewe fold: vertical heading, watercolor blob, sketch figure, load rise */

/* Rotated 90° vertical heading */
.intro-fold__vtitle {
    writing-mode: vertical-rl;
    white-space: nowrap;
    line-height: 1;
}
@media (max-width: 767.98px) {
    .intro-fold__vtitle { writing-mode: horizontal-tb; }
}

/* Wax-seal / watercolor blob */
.intro-fold__blob {
    width: 24rem;
    height: 24rem;
    filter: blur(56px);
    opacity: 0.4;
    border-radius: 42% 58% 63% 37% / 45% 38% 62% 55%;
}

/* Drop-cap lead (framework-agnostic ::first-letter, no TW variant dependency) */
.intro-fold__lead::first-letter {
    font-size: 3rem;
    font-weight: 900;
    float: left;
    line-height: 0.9;
    margin-right: 0.75rem;
}

/* Like button fixed size (no BS w-N/h-N utility) */
.intro-fold__like {
    width: 2.25rem;
    height: 2.25rem;
}

/* Hand-drawn sketch treatment on the figure */
.intro-fold [data-figure] { aspect-ratio: 16 / 9; }
.intro-fold__img {
    object-fit: cover;
    filter: grayscale(0.35) contrast(1.12) saturate(0.9);
}

/* Subtle scale-up on load (0.92 → 1) */
.intro-fold__rise {
    opacity: 0;
    transform: scale(0.92);
    animation: intro-fold-rise 620ms ease forwards;
}
@keyframes intro-fold-rise {
    to { opacity: 1; transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
    .intro-fold__rise { opacity: 1; transform: none; animation: none; }
}

.content-brief__float-square {
    width: 4rem;
    height: 4rem;
}

.content-brief__orbit {
    left: 50%;
    top: 50%;
    width: min(34rem, 78vw);
    height: min(34rem, 78vw);
    transform: translate(-50%, -50%);
    animation: content-brief-orbit 18s linear infinite;
}

.content-brief__float-square--slow {
    animation: content-brief-float-slow 10s ease-in-out infinite;
}

.content-brief__float-square--fast {
    animation: content-brief-float-fast 7s ease-in-out infinite;
}

@keyframes content-brief-float-slow {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-8px) rotate(6deg);
    }
}

@keyframes content-brief-float-fast {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(8px) rotate(-7deg);
    }
}

@keyframes content-brief-orbit {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.stream-timeline-axis__wrap {
    max-width: 64rem;
}

.stream-timeline-axis__date-ring {
    width: 2.5rem;
    height: 2.5rem;
    position: relative;
    z-index: 2;
}

/* Линия таймлайна — под кругами (без цветов в правилах z-index) */
.stream-timeline-axis__spine {
    left: 50%;
    width: 1px;
    z-index: 0;
}

.stream-timeline-axis__lane {
    width: 41.666667%;
}

.stream-timeline-axis__hub {
    width: 16.666667%;
}

.stream-timeline-axis__date-stack {
    width: 3.5rem;
    height: 3.5rem;
    position: relative;
    z-index: 2;
}

.tips-numbered__card {
    max-width: 24rem;
}

.tips-numbered__thumb {
    width: 4rem;
    height: 4rem;
}

/* glossary steps — oversized counter ring (layout only) */
.glossary-steps__num {
    width: 3.75rem;
    height: 3.75rem;
    min-width: 3.75rem;
}

/* 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);
    }
}

/* Geometry shared by both CSS frameworks (Bootstrap has no utilities for it) */
.mailing-slim-row__section--py-2xl {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.mailing-slim-row__decor {
    width: 40%;
    max-width: 24rem;
}

.mailing-slim-row__bar {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.mailing-slim-row__group,
.mailing-slim-row__fields,
.mailing-slim-row__min0 {
    min-width: 0;
}

.mailing-slim-row__group,
.mailing-slim-row__fields {
    flex-direction: column;
    align-items: stretch;
}

.mailing-slim-row__group {
    gap: 0.75rem;
}

.mailing-slim-row__fields {
    gap: 0.5rem;
}

.mailing-slim-row__input {
    min-width: 0;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.mailing-slim-row__cta {
    width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 640px) {
    .mailing-slim-row__bar,
    .mailing-slim-row__group,
    .mailing-slim-row__fields {
        flex-direction: row;
        align-items: center;
    }

    .mailing-slim-row__input {
        max-width: 20rem;
    }

    .mailing-slim-row__cta {
        width: auto;
    }
}

.mailing-slim-row__ring {
    top: 50%;
    inset-inline-end: 1.5rem;
    width: 8rem;
    height: 8rem;
    transform: translateY(-50%);
    animation: mailing-slim-row-ring-pulse 5s ease-in-out infinite;
}

.mailing-slim-row__orb {
    top: 50%;
    inset-inline-end: 4rem;
    width: 5rem;
    height: 5rem;
    transform: translateY(-50%);
    animation: mailing-slim-row-orbit-float 4.5s ease-in-out infinite;
    animation-delay: 0.4s;
}

.mailing-slim-row__mail {
    top: 50%;
    inset-inline-end: 3rem;
    transform: translateY(-50%);
    animation: mailing-slim-row-mail-bob 3.5s ease-in-out infinite;
}

.mailing-slim-row__dot--a {
    top: 50%;
    inset-inline-end: 6rem;
    width: 0.75rem;
    height: 0.75rem;
    transform: translateY(-50%);
    animation: mailing-slim-row-dot-drift-centered 3s ease-in-out infinite;
}

.mailing-slim-row__dot--b {
    top: 38%;
    inset-inline-end: 2.5rem;
    width: 0.5rem;
    height: 0.5rem;
    animation: mailing-slim-row-dot-drift 3.6s ease-in-out infinite;
    animation-delay: 0.8s;
}

.mailing-slim-row__dot--c {
    top: 62%;
    inset-inline-end: 3.5rem;
    width: 0.5rem;
    height: 0.5rem;
    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;
    }
}