/* ═══ Chapter 1 · File bank (reference layout) — scoped to .df-story-chapter--file ═══ */

.df-story-chapter--file {
    --df-file-bg: #fcfaff;
    --df-file-text: #171321;
    --df-file-muted: #625d70;
    --df-file-accent: #7828f5;
    --df-file-accent-soft: rgba(120, 40, 245, 0.1);
    --df-file-line: rgba(120, 40, 245, 0.14);
    --df-file-icon-bg: #f3edff;
    --df-file-surface: #ffffff;
    --df-file-chip-bg: #ffffff;
    --df-file-chip-border: rgba(120, 40, 245, 0.14);
    --df-file-rail-num-bg: #ffffff;
    --df-file-glow: rgba(120, 40, 245, 0.16);
    --df-file-cta-shadow: rgba(120, 40, 245, 0.28);
    --df-file-img-shadow: rgba(23, 19, 33, 0.12);
    --df-file-nav: var(--df-nav, var(--h-nav-offset, 4.5rem));
    --df-file-pin-h: calc(100vh - var(--df-file-nav) - 12px);
    --df-file-pin-h: calc(100svh - var(--df-file-nav) - 12px);
    --df-file-foot-gap: 1.5rem;
    --df-file-art-max-h: min(560px, 52vh, max(12rem, calc(var(--df-file-pin-h) - 14rem)));
    --df-file-max: min(1480px, 100vw - 2rem);
    --df-file-pad-x: clamp(1.5rem, 3.5vw, 3.5rem);
    --df-file-pad-top: clamp(1.75rem, 2.5vw, 2.5rem);
    --df-file-gap: clamp(2rem, 3vw, 3rem);
    --df-file-headline: clamp(1.75rem, min(3.6vw, 5.2svh), 3.75rem);
    --df-file-step-title: clamp(1.65rem, 2.2vw, 2.25rem);
    --df-file-body: clamp(1rem, 1.25vw, 1.3125rem);
    background: var(--df-file-bg);
    color: var(--df-file-text);
    padding: var(--df-file-pad-top) 0 clamp(2rem, 4vw, 3rem);
    position: relative;
    isolation: isolate;
}

.df-story-chapter--file .df-story-chapter__wrap--file {
    width: var(--df-file-max);
    margin-inline: auto;
    padding-inline: var(--df-file-pad-x);
}

.df-story-scrolly[data-df-scrolly-chapter] {
    display: block;
    position: relative;
    --df-slide-x: 2.5rem;
    --df-slide-x-img: 2.75rem;
}

.df-story-file-desktop {
    display: none;
}

.df-story-file-head {
    position: relative;
    z-index: 1;
    max-width: 100%;
    margin: 0 0 clamp(0.75rem, 1.5vw, 1.25rem);
    padding: 0;
    box-sizing: border-box;
}

.df-story-file-head .df-story-file-subtitle {
    margin-bottom: 0;
}

.df-story-file-mobile {
    display: flex;
    flex-direction: column;
    gap: clamp(1.5rem, 4vw, 2.25rem);
}

/* ─── Pin / canvas ─── */

.df-story-file-pin {
    position: sticky;
    top: calc(var(--df-file-nav) + 0.35rem);
    z-index: 5;
    height: var(--df-file-pin-h);
    max-height: var(--df-file-pin-h);
    overflow: visible;
    pointer-events: none;
    box-sizing: border-box;
}

.df-story-file-pin:not(.df-story-file-pin--flow) .df-story-file-canvas {
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    min-height: 0;
    height: 100%;
    max-height: 100%;
}

.df-story-file-pin:not(.df-story-file-pin--flow) .df-story-file-body {
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.df-story-file-pin:not(.df-story-file-pin--flow) .df-story-file-main {
    flex: 1;
    min-height: 0;
    align-items: start;
}

.df-story-file-pin.df-story-file-pin--flow {
    position: relative;
    height: auto;
    max-height: none;
    overflow: visible;
}

.df-story-file-pin > * {
    pointer-events: auto;
}

.df-story-file-canvas {
    position: relative;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    height: 100%;
    max-height: 100%;
    overflow: visible;
    gap: var(--df-file-foot-gap);
}

.df-story-file-pin.df-story-file-pin--flow .df-story-file-canvas {
    height: auto;
    max-height: none;
    gap: var(--df-file-foot-gap);
}

.df-story-file-body {
    display: block;
    flex: 0 0 auto;
    min-height: 0;
    height: auto;
    max-height: none;
    overflow: visible;
    padding-bottom: 0;
    box-sizing: border-box;
}

.df-story-file-progress-corner {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 6;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    font-variant-numeric: tabular-nums;
    unicode-bidi: isolate;
}

.df-story-file-progress-corner__text {
    font-size: 0.8125rem;
    font-weight: 800;
    color: var(--df-file-muted);
    letter-spacing: 0.02em;
}

.df-story-file-progress-corner__slash {
    opacity: 0.45;
}

.df-story-file-progress-corner__meter {
    display: inline-flex;
    gap: 0.28rem;
}

.df-story-file-progress-corner__meter i {
    display: block;
    width: 1.35rem;
    height: 0.25rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--df-file-text) 12%, transparent);
    transition: background 0.35s ease, width 0.35s ease;
}

[data-df-file-progress][data-df-active="0"] .df-story-file-progress-corner__meter i:nth-child(1),
[data-df-file-progress][data-df-active="1"] .df-story-file-progress-corner__meter i:nth-child(-n+2),
[data-df-file-progress][data-df-active="2"] .df-story-file-progress-corner__meter i:nth-child(-n+3),
[data-df-file-progress][data-df-active="3"] .df-story-file-progress-corner__meter i:nth-child(-n+4) {
    background: color-mix(in srgb, var(--df-file-accent) 55%, transparent);
}

[data-df-file-progress][data-df-active="0"] .df-story-file-progress-corner__meter i:nth-child(1),
[data-df-file-progress][data-df-active="1"] .df-story-file-progress-corner__meter i:nth-child(2),
[data-df-file-progress][data-df-active="2"] .df-story-file-progress-corner__meter i:nth-child(3),
[data-df-file-progress][data-df-active="3"] .df-story-file-progress-corner__meter i:nth-child(4) {
    width: 1.85rem;
    background: var(--df-file-accent);
}

/* ─── Main grid: copy (RTL start) | visual (RTL end / physical left) ─── */

.df-story-file-main {
    display: grid;
    grid-template-columns: minmax(0, 48fr) minmax(0, 52fr);
    gap: var(--df-file-gap);
    align-items: start;
    min-height: 0;
    padding-top: 0.35rem;
    box-sizing: border-box;
}

.df-story-file-copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.df-story-file-chapter-label {
    margin: 0 0 1.25rem;
    font-size: 0.8125rem;
    font-weight: 800;
    color: var(--df-file-accent);
}

.df-story-file-headline {
    margin: 0 0 1rem;
    font-size: var(--df-file-headline);
    font-weight: 800;
    line-height: 1.3;
    color: var(--df-file-text);
    text-wrap: balance;
    max-width: 14.5em;
}

.df-story-file-headline__accent {
    color: var(--df-file-accent);
}

.df-story-file-subtitle {
    margin: 0 0 2rem;
    font-size: clamp(1rem, 1.15vw, 1.125rem);
    line-height: 1.65;
    color: var(--df-file-muted);
    max-width: 28rem;
}

/* ─── Step stack (shared grid cell — height = tallest panel) ─── */

.df-story-file-text-stack {
    display: grid;
    grid-template-areas: "stack";
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    flex: 0 0 auto;
    overflow: visible;
}

.df-story-file-text {
    grid-area: stack;
    position: relative;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 0;
    transition: opacity 0.28s ease;
    box-sizing: border-box;
}

.df-story-file-text.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    z-index: 1;
}

.df-story-file-text[aria-hidden="true"] a,
.df-story-file-text[aria-hidden="true"] button {
    pointer-events: none;
}

.df-story-file-pin.is-switching .df-story-file-text.is-active .df-story-file-step__title,
.df-story-file-pin.is-switching .df-story-file-text.is-active .df-story-file-step__body,
.df-story-file-pin.is-switching .df-story-file-text.is-active .df-story-file-step__kicker {
    animation: df-file-step-in 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.df-story-file-pin.is-switching .df-story-file-text.is-active .df-story-file-step__body {
    animation-delay: 0.05s;
}

.df-story-file-pin.is-switching .df-story-hero__img.is-active {
    animation: df-file-art-in 0.42s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes df-file-step-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes df-file-art-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.df-story-file-step__kicker {
    display: inline-block;
    margin: 0 0 0.75rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--df-file-accent);
    background: var(--df-file-accent-soft);
}

.df-story-file-step__title {
    margin: 0 0 0.65rem;
    font-size: var(--df-file-step-title);
    font-weight: 800;
    line-height: 1.25;
    color: var(--df-file-text);
}

.df-story-file-step__body {
    margin: 0 0 1rem;
    font-size: var(--df-file-body);
    line-height: 1.7;
    color: var(--df-file-muted);
    max-width: 26rem;
}

.df-story-file-step__list {
    list-style: none;
    margin: 0 0 0.85rem;
    padding: 0;
}

.df-story-file-step__list li {
    display: grid;
    grid-template-columns: 2.75rem minmax(0, 1fr);
    gap: 0.75rem;
    align-items: center;
    justify-items: start;
    min-height: 2.75rem;
    padding: 0.35rem 0;
    border-bottom: 1px solid var(--df-file-line);
    font-size: clamp(0.9375rem, 1.05vw, 1.0625rem);
    line-height: 1.45;
    color: var(--df-file-text);
}

.df-story-file-step__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
    border-radius: 0.65rem;
    background: var(--df-file-icon-bg);
    border: 1px solid var(--df-file-line);
}

.df-story-file-step__list li:last-child {
    border-bottom: none;
}

.df-story-file-step__list-text {
    min-width: 0;
}

.df-story-file-step__note {
    margin: 0 0 1rem;
    font-size: 0.8125rem;
    color: var(--df-file-muted);
}

.df-story-file-step__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.25rem;
    padding-bottom: 0.15rem;
}

.df-story-file-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    min-height: 3.25rem;
    height: 3.25rem;
    padding: 0 1.35rem;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.df-story-file-cta--primary {
    background: var(--df-file-accent);
    color: #fff;
    box-shadow: 0 10px 28px var(--df-file-cta-shadow);
}

.df-story-file-cta--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 32px color-mix(in srgb, var(--df-file-accent) 34%, transparent);
    color: #fff;
}

.df-story-file-cta__arrow {
    font-size: 1.1rem;
    line-height: 1;
}

.df-story-file-step__icon img {
    width: 1.2rem;
    height: 1.2rem;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(28%) sepia(93%) saturate(4500%) hue-rotate(252deg) brightness(96%) contrast(98%);
}

.df-story-file-step__link {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--df-file-accent);
    text-decoration: none;
}

.df-story-file-step__link:hover {
    text-decoration: underline;
}

/* ─── Visual column (frameless) ─── */

.df-story-file-visual {
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: auto;
    box-sizing: border-box;
}

.df-story-file-art {
    position: relative;
    width: 100%;
    height: auto;
    max-height: var(--df-file-art-max-h);
    min-height: 12rem;
    aspect-ratio: 1;
    max-width: min(100%, 730px);
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
}

.df-story-file-art__glow {
    position: absolute;
    inset: 8% 0 12%;
    background: radial-gradient(ellipse 70% 55% at 50% 55%, var(--df-file-glow), transparent 68%);
    pointer-events: none;
}

.df-story-chapter--file .df-story-file-art .df-story-hero__img,
.df-story-chapter--match .df-story-file-art .df-story-hero__img,
.df-story-chapter--follow .df-story-file-art .df-story-hero__img,
.df-story-chapter--cinema .df-story-file-art .df-story-hero__img,
.df-story-chapter--agency .df-story-file-art .df-story-hero__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: min(100%, 730px);
    max-height: 100%;
    margin: auto;
    opacity: 0;
    object-fit: contain;
    object-position: center center;
    transform: translateY(8px);
    transition: opacity 0.32s ease, transform 0.32s ease;
    filter: drop-shadow(0 20px 40px var(--df-file-img-shadow));
    pointer-events: none;
}

.df-story-chapter--file .df-story-file-art .df-story-hero__img.is-active,
.df-story-chapter--match .df-story-file-art .df-story-hero__img.is-active,
.df-story-chapter--follow .df-story-file-art .df-story-hero__img.is-active,
.df-story-chapter--cinema .df-story-file-art .df-story-hero__img.is-active,
.df-story-chapter--agency .df-story-file-art .df-story-hero__img.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.df-story-chapter--file .df-story-file-float {
    display: none;
}

.df-story-file-float__line {
    position: absolute;
    width: 2.5rem;
    height: 2.5rem;
    opacity: 0.55;
}

.df-story-file-float__chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 0.65rem;
    background: var(--df-file-chip-bg);
    border: 1px solid var(--df-file-chip-border);
    box-shadow: 0 8px 20px color-mix(in srgb, var(--df-file-text) 8%, transparent);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--df-file-text);
    white-space: nowrap;
}

.df-story-file-float__ok {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    border-radius: 999px;
    background: #059669;
    color: #fff;
    font-size: 0.65rem;
    font-weight: 800;
}

.df-story-file-float--collection {
    top: 6%;
    left: 4%;
}

.df-story-file-float--collection .df-story-file-float__line {
    bottom: -1.75rem;
    right: -1.25rem;
}

.df-story-file-float--ready {
    top: 18%;
    right: 8%;
}

.df-story-file-float--ready .df-story-file-float__line {
    bottom: -1.5rem;
    left: -1rem;
}

.df-story-file-visual[data-df-active-step="1"] .df-story-file-float,
.df-story-file-visual[data-df-active-step="2"] .df-story-file-float,
.df-story-file-visual[data-df-active-step="3"] .df-story-file-float {
    display: none;
}

.df-story-file-platforms {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    gap: 0.85rem 1.25rem;
    margin: 0.5rem 0 0;
    padding: 0;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--df-file-muted);
}

.df-story-file-platforms i.fa-android {
    color: #3ddc84;
}

.df-story-file-platforms i.fa-windows {
    color: #0078d4;
}

.df-story-file-platforms span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* ─── Bottom rail + cue ─── */

.df-story-file-foot {
    flex: 0 0 auto;
    position: relative;
    z-index: 0;
    padding-top: 0;
    margin-top: 0;
    box-sizing: border-box;
}

.df-story-file-rail {
    position: relative;
    margin-bottom: 0.65rem;
    padding: 1.1rem 1.15rem 0.95rem;
    border-radius: 1rem;
    border: 1px solid color-mix(in srgb, var(--df-file-accent) 12%, var(--df-file-line));
    background:
        linear-gradient(165deg, color-mix(in srgb, var(--df-file-accent) 5%, var(--df-file-surface)) 0%, var(--df-file-surface) 48%, color-mix(in srgb, var(--df-file-bg) 88%, var(--df-file-surface)) 100%);
    box-shadow:
        0 1px 0 color-mix(in srgb, #fff 65%, transparent) inset,
        0 12px 32px -26px color-mix(in srgb, var(--df-file-accent) 22%, transparent);
}

.df-story-file-rail__line {
    position: absolute;
    top: calc(1.1rem + 1.05rem);
    left: 1.35rem;
    right: 1.35rem;
    height: 3px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--df-file-muted) 14%, transparent);
    overflow: hidden;
    z-index: 0;
}

.df-story-file-rail__line::after {
    content: "";
    position: absolute;
    inset-block: 0;
    inset-inline-start: 0;
    width: 25%;
    border-radius: inherit;
    background: linear-gradient(
        90deg,
        var(--df-file-accent),
        color-mix(in srgb, var(--df-file-accent) 72%, #c4b5fd)
    );
    transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-df-file-timeline][data-df-active="0"] .df-story-file-rail__line::after {
    width: 25%;
}

[data-df-file-timeline][data-df-active="1"] .df-story-file-rail__line::after {
    width: 50%;
}

[data-df-file-timeline][data-df-active="2"] .df-story-file-rail__line::after {
    width: 75%;
}

[data-df-file-timeline][data-df-active="3"] .df-story-file-rail__line::after {
    width: 100%;
}

[data-df-file-timeline][data-df-steps="3"][data-df-active="0"] .df-story-file-rail__line::after {
    width: 33.333%;
}

[data-df-file-timeline][data-df-steps="3"][data-df-active="1"] .df-story-file-rail__line::after {
    width: 66.666%;
}

[data-df-file-timeline][data-df-steps="3"][data-df-active="2"] .df-story-file-rail__line::after {
    width: 100%;
}

[data-df-file-timeline][data-df-steps="2"][data-df-active="0"] .df-story-file-rail__line::after {
    width: 50%;
}

[data-df-file-timeline][data-df-steps="2"][data-df-active="1"] .df-story-file-rail__line::after {
    width: 100%;
}

.df-story-file-rail__list {
    list-style: none;
    margin: 0;
    padding: 0.15rem 0 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.35rem;
    position: relative;
    z-index: 1;
}

.df-story-file-rail__item + .df-story-file-rail__item {
    border-inline-start: none;
}

.df-story-file-rail__item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
    padding: 0 0.25rem;
    text-align: center;
}

.df-story-file-rail__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.125rem;
    height: 2.125rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--df-file-muted);
    background: var(--df-file-rail-num-bg);
    border: 2px solid color-mix(in srgb, var(--df-file-muted) 18%, transparent);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--df-file-text) 4%, transparent);
    transition:
        background 0.35s ease,
        color 0.35s ease,
        border-color 0.35s ease,
        box-shadow 0.35s ease,
        transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.df-story-file-rail__label {
    display: block;
    max-width: 9.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--df-file-muted);
    text-decoration: none;
    transition: color 0.3s ease, font-weight 0.3s ease;
}

/* مراحل گذشته — دایرهٔ پررنگ‌تر */
[data-df-file-timeline][data-df-active="1"] .df-story-file-rail__item:nth-child(1) .df-story-file-rail__num,
[data-df-file-timeline][data-df-active="2"] .df-story-file-rail__item:nth-child(-n+2) .df-story-file-rail__num,
[data-df-file-timeline][data-df-active="3"] .df-story-file-rail__item:nth-child(-n+3) .df-story-file-rail__num {
    background: color-mix(in srgb, var(--df-file-accent) 18%, var(--df-file-rail-num-bg));
    border-color: color-mix(in srgb, var(--df-file-accent) 45%, transparent);
    color: var(--df-file-accent);
}

[data-df-file-timeline][data-df-active="0"] .df-story-file-rail__item:nth-child(1) .df-story-file-rail__num,
[data-df-file-timeline][data-df-active="1"] .df-story-file-rail__item:nth-child(2) .df-story-file-rail__num,
[data-df-file-timeline][data-df-active="2"] .df-story-file-rail__item:nth-child(3) .df-story-file-rail__num,
[data-df-file-timeline][data-df-active="3"] .df-story-file-rail__item:nth-child(4) .df-story-file-rail__num {
    background: var(--df-file-accent);
    border-color: var(--df-file-accent);
    color: #fff;
    transform: scale(1.06);
    box-shadow:
        0 0 0 4px var(--df-file-accent-soft),
        0 10px 24px -8px color-mix(in srgb, var(--df-file-accent) 45%, transparent);
}

[data-df-file-timeline][data-df-active="0"] .df-story-file-rail__item:nth-child(1) .df-story-file-rail__label,
[data-df-file-timeline][data-df-active="1"] .df-story-file-rail__item:nth-child(2) .df-story-file-rail__label,
[data-df-file-timeline][data-df-active="2"] .df-story-file-rail__item:nth-child(3) .df-story-file-rail__label,
[data-df-file-timeline][data-df-active="3"] .df-story-file-rail__item:nth-child(4) .df-story-file-rail__label {
    color: var(--df-file-text);
    font-weight: 800;
    text-decoration: none;
}

[data-df-file-timeline][data-df-active="0"] .df-story-file-rail__item:nth-child(1) .df-story-file-rail__label::after,
[data-df-file-timeline][data-df-active="1"] .df-story-file-rail__item:nth-child(2) .df-story-file-rail__label::after,
[data-df-file-timeline][data-df-active="2"] .df-story-file-rail__item:nth-child(3) .df-story-file-rail__label::after,
[data-df-file-timeline][data-df-active="3"] .df-story-file-rail__item:nth-child(4) .df-story-file-rail__label::after {
    content: "";
    display: block;
    width: 1.35rem;
    height: 0.2rem;
    margin: 0.4rem auto 0;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        var(--df-file-accent),
        color-mix(in srgb, var(--df-file-accent) 55%, transparent)
    );
}

html.mk-public[data-theme="dark"] .df-story-file-rail,
html.mk-public[data-theme="dark"] .df-story-chapter--match .df-story-file-rail,
html.mk-public[data-theme="dark"] .df-story-chapter--follow .df-story-file-rail,
html.mk-public[data-theme="dark"] .df-story-chapter--cinema .df-story-file-rail,
html.mk-public[data-theme="dark"] .df-story-chapter--agency .df-story-file-rail {
    box-shadow:
        0 1px 0 color-mix(in srgb, #fff 6%, transparent) inset,
        0 16px 40px -28px rgba(0, 0, 0, 0.45);
    background:
        linear-gradient(165deg, color-mix(in srgb, var(--df-file-accent) 8%, var(--df-file-surface)) 0%, var(--df-file-surface) 55%, #0f1524 100%);
}

.df-story-file-scroll-cue {
    margin: 0;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: color-mix(in srgb, var(--df-file-accent) 75%, var(--df-file-muted));
}

.df-story-file-scroll-cue__arrow {
    display: inline-block;
    margin-inline-end: 0.25rem;
    animation: df-file-cue-bob 1.8s ease-in-out infinite;
}

@keyframes df-file-cue-bob {
    0%, 100% { transform: translateY(0); opacity: 0.7; }
    50% { transform: translateY(3px); opacity: 1; }
}

/* ─── Scrolly track ─── */

.df-story-file-scroll-track {
    pointer-events: none;
}

.df-story-scroll-segment {
    min-height: clamp(18rem, 52vh, 28rem);
}

.df-story-file-scroll-exit {
    min-height: min(38vh, 320px);
    pointer-events: none;
}

/* ─── mk-home overrides ─── */

.mk-home-page .mk-home-body .df-story-chapter--file .df-story-file-headline,
.mk-home-page .mk-home-body .df-story-chapter--file .df-story-file-step__title {
    color: var(--df-file-text);
}

.mk-home-page .mk-home-body .df-story-chapter--file .df-story-file-subtitle,
.mk-home-page .mk-home-body .df-story-chapter--file .df-story-file-step__body,
.mk-home-page .mk-home-body .df-story-chapter--file .df-story-file-step__note {
    color: var(--df-file-muted);
}

.mk-home-page .mk-home-body .df-story-chapter--file .df-story-file-step__list li,
.mk-home-page .mk-home-body .df-story-chapter--file .df-story-file-chapter-label,
.mk-home-page .mk-home-body .df-story-chapter--file .df-story-file-scroll-cue,
.mk-home-page .mk-home-body .df-story-chapter--file .df-story-file-rail__label {
    color: var(--df-file-muted);
}

.mk-home-page .mk-home-body .df-story-chapter--file .df-story-file-step__list li {
    color: var(--df-file-text);
}

.mk-home-page .mk-home-body .df-story-chapter--file a.df-story-file-cta--primary {
    color: #fff;
}

.mk-home-page .mk-home-body .df-story-chapter--file a.df-story-file-step__link {
    color: var(--df-file-accent);
}

/* ─── Light / dark theme (public home) ─── */

html.mk-public[data-theme="dark"] .df-story-chapter--file {
    --df-file-bg: #0b1220;
    --df-file-text: #f1f5f9;
    --df-file-muted: #94a3b8;
    --df-file-accent: #a78bfa;
    --df-file-accent-soft: rgba(167, 139, 250, 0.14);
    --df-file-line: rgba(148, 163, 184, 0.18);
    --df-file-icon-bg: rgba(167, 139, 250, 0.12);
    --df-file-surface: #121826;
    --df-file-chip-bg: #151d2e;
    --df-file-chip-border: rgba(148, 163, 184, 0.2);
    --df-file-rail-num-bg: #151d2e;
    --df-file-glow: rgba(167, 139, 250, 0.2);
    --df-file-cta-shadow: rgba(167, 139, 250, 0.35);
    --df-file-img-shadow: rgba(0, 0, 0, 0.45);
    color: var(--df-file-text);
    background: var(--df-file-bg);
}

html.mk-public[data-theme="dark"] .df-story-chapter--file .df-story-file-cta--primary {
    background: #7c3aed;
    color: #fff;
}

html.mk-public[data-theme="dark"] .df-story-chapter--file .df-story-file-cta--primary:hover {
    background: #8b5cf6;
    color: #fff;
}

html.mk-public[data-theme="dark"] .df-story-chapter--file .df-story-file-step__link:hover {
    color: #c4b5fd;
}

html.mk-public[data-theme="dark"] .mk-home-page .mk-home-body .df-story-chapter--file a.df-story-file-cta--primary {
    color: #fff;
}

html.mk-public[data-theme="dark"] .df-story-chapter--file .df-story-file-mobile-art::before {
    background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(167, 139, 250, 0.12), transparent 70%);
}

html.mk-public[data-theme="light"] .df-story-chapter--file {
    color-scheme: light;
}

html.mk-public[data-theme="dark"] .df-story-chapter--file {
    color-scheme: dark;
}

/* ─── Desktop scrolly ─── */

@media (min-width: 992px) {
    .df-story-chapter--file {
        --df-file-art-max-h: min(640px, 58vh, max(15rem, calc(var(--df-file-pin-h) - 11.5rem)));
        --df-file-art-max-w: min(100%, 820px);
    }

    .df-story-file-art {
        max-width: var(--df-file-art-max-w);
    }

    .df-story-chapter--file .df-story-file-art .df-story-hero__img,
    .df-story-chapter--match .df-story-file-art .df-story-hero__img,
    .df-story-chapter--follow .df-story-file-art .df-story-hero__img,
    .df-story-chapter--cinema .df-story-file-art .df-story-hero__img,
    .df-story-chapter--agency .df-story-file-art .df-story-hero__img {
        max-width: var(--df-file-art-max-w);
    }

    .df-story-file-desktop {
        display: block;
    }

    .df-story-file-mobile {
        display: none;
    }

    .df-story-scrolly[data-df-scrolly-chapter]:not(.df-story-scrolly--pin-flow) .df-story-file-scroll-track {
        margin-top: calc(-1 * var(--df-file-pin-h));
        position: relative;
        z-index: 1;
    }

    .df-story-scrolly[data-df-scrolly-chapter]:not(.df-story-scrolly--pin-flow) .df-story-scroll-segment {
        min-height: var(--df-file-pin-h);
    }

    .df-story-scrolly[data-df-scrolly-chapter].df-story-scrolly--pin-flow .df-story-file-scroll-track {
        margin-top: 0;
    }

    .df-story-scrolly[data-df-scrolly-chapter].df-story-scrolly--pin-flow .df-story-scroll-segment {
        min-height: min(var(--df-file-pin-h), 100svh);
    }

    #df-story-ch-match,
    [id^="df-story-ch-"] {
        scroll-margin-top: calc(var(--df-file-nav) + 0.75rem);
    }
}

.df-story-file-pin--compact {
    --df-file-headline: clamp(1.65rem, 2.8vw, 2.35rem);
    --df-file-step-title: clamp(1.25rem, 1.8vw, 1.65rem);
    --df-file-body: 0.9375rem;
    --df-file-pad-top: 1.25rem;
}

.df-story-file-pin--compact .df-story-file-chapter-label {
    margin-bottom: 0.85rem;
}

.df-story-file-pin--compact .df-story-file-headline {
    margin-bottom: 0.65rem;
}

.df-story-file-pin--compact .df-story-file-subtitle {
    margin-bottom: 1.1rem;
}

.df-story-file-pin--compact .df-story-file-main {
    padding-top: 0.15rem;
}

.df-story-scrolly--file:has(.df-story-file-pin--compact) .df-story-file-head .df-story-file-chapter-label,
.df-story-scrolly[data-df-scrolly-chapter]:has(.df-story-file-pin--compact) .df-story-file-head .df-story-file-chapter-label {
    margin-bottom: 0.85rem;
}

.df-story-scrolly--file:has(.df-story-file-pin--compact) .df-story-file-head .df-story-file-headline,
.df-story-scrolly[data-df-scrolly-chapter]:has(.df-story-file-pin--compact) .df-story-file-head .df-story-file-headline {
    margin-bottom: 0.65rem;
}

.df-story-scrolly--file:has(.df-story-file-pin--compact) .df-story-file-head .df-story-file-subtitle,
.df-story-scrolly[data-df-scrolly-chapter]:has(.df-story-file-pin--compact) .df-story-file-head .df-story-file-subtitle {
    margin-bottom: 0;
}

.df-story-file-pin--compact .df-story-file-cta {
    min-height: 3rem;
    height: 3rem;
}

@media (min-width: 992px) and (max-height: 900px) {
    .df-story-chapter--file {
        --df-file-pad-top: clamp(1rem, 2vw, 1.5rem);
    }

    .df-story-file-headline {
        margin-bottom: 0.75rem;
    }

    .df-story-file-subtitle {
        margin-bottom: 1.35rem;
    }

    .df-story-file-main {
        padding-top: 1.35rem;
    }
}

@media (min-width: 992px) and (max-height: 820px) {
    .df-story-chapter--file {
        --df-file-headline: clamp(1.65rem, 3vw, 2.35rem);
        --df-file-step-title: clamp(1.35rem, 2vw, 1.65rem);
        --df-file-body: 0.9375rem;
    }

    .df-story-file-subtitle {
        margin-bottom: 1.25rem;
    }

    .df-story-file-step__list li {
        padding: 0.4rem 0;
    }

    .df-story-file-cta {
        min-height: 3rem;
        font-size: 0.9375rem;
    }
}

/* ─── Mobile ─── */

@media (max-width: 991px) {
    .df-story-chapter--file {
        --df-file-headline: clamp(1.875rem, 7vw, 2.25rem);
        --df-file-pad-x: 1.25rem;
    }

    .df-story-file-desktop {
        display: none;
    }

    .df-story-file-mobile {
        display: flex;
        flex-direction: column;
        gap: clamp(1.25rem, 4vw, 2rem);
    }

    .df-story-file-mobile .df-story-file-rail--compact {
        order: 10;
        margin-top: 0.5rem;
    }

    .df-story-file-progress-corner--mobile {
        position: static;
        margin-bottom: 0.5rem;
    }

    .df-story-file-mobile-art {
        position: relative;
        margin: 0.5rem 0 1rem;
    }

    .df-story-file-mobile-art::before {
        content: "";
        position: absolute;
        inset: 10% 5% 5%;
        background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(120, 40, 245, 0.14), transparent 70%);
        pointer-events: none;
    }

    .df-story-file-mobile-art img {
        display: block;
        width: 100%;
        max-width: 28rem;
        margin-inline: auto;
        height: auto;
        object-fit: contain;
    }

    .df-story-file-rail--compact {
        padding: 0.85rem 0.75rem;
        border-radius: 0.85rem;
    }

    .df-story-file-rail--compact .df-story-file-rail__list {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.65rem 0.5rem;
    }

    .df-story-file-rail--compact .df-story-file-rail__line {
        display: none;
    }

    .df-story-file-rail--compact .df-story-file-rail__num {
        width: 1.85rem;
        height: 1.85rem;
        font-size: 0.7rem;
    }

    .df-story-file-rail--compact .df-story-file-rail__label {
        font-size: 0.7rem;
        max-width: none;
    }

    .df-story-file-rail--compact .df-story-file-rail__label::after {
        display: none;
    }

    .df-story-file-mobile-block {
        padding-bottom: 1.5rem;
        border-bottom: 1px solid var(--df-file-line);
    }

    .df-story-file-mobile-block:last-child {
        border-bottom: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .df-story-chapter--file .df-story-file-text,
    .df-story-chapter--match .df-story-file-text,
    .df-story-chapter--follow .df-story-file-text,
    .df-story-chapter--cinema .df-story-file-text,
    .df-story-chapter--agency .df-story-file-text,
    .df-story-chapter--file .df-story-hero__img,
    .df-story-chapter--match .df-story-hero__img,
    .df-story-chapter--follow .df-story-hero__img,
    .df-story-chapter--cinema .df-story-hero__img,
    .df-story-chapter--agency .df-story-hero__img,
    .df-story-chapter--file .df-story-file-scroll-cue__arrow,
    .df-story-chapter--match .df-story-file-scroll-cue__arrow,
    .df-story-chapter--follow .df-story-file-scroll-cue__arrow,
    .df-story-chapter--cinema .df-story-file-scroll-cue__arrow,
    .df-story-chapter--agency .df-story-file-scroll-cue__arrow,
    .df-story-chapter--file .df-story-file-rail__line::after,
    .df-story-chapter--match .df-story-file-rail__line::after,
    .df-story-chapter--follow .df-story-file-rail__line::after,
    .df-story-chapter--cinema .df-story-file-rail__line::after,
    .df-story-chapter--agency .df-story-file-rail__line::after,
    .df-story-chapter--file .df-story-file-rail__num,
    .df-story-chapter--match .df-story-file-rail__num,
    .df-story-chapter--follow .df-story-file-rail__num,
    .df-story-chapter--cinema .df-story-file-rail__num,
    .df-story-chapter--agency .df-story-file-rail__num {
        animation: none !important;
        transition: opacity 0.2s ease, color 0.2s ease, background 0.2s ease;
        transform: none;
    }
}