/* ============================================================
 * [feature/content-cube-slider] Scroll-driven 3D cube для раздела
 * «Контент». Адаптация CodePen «Six Faces / Walking The Cow V2»
 * (luis-lessrain / ByLmGYq, MIT) под #sectionContent.
 * Тема — через .dark-theme на <html> (MiniAppTheme).
 * ============================================================ */

#sectionContent.content-cube-section {
    --cc-dark-bg: #1c1814;
    --cc-dark-fg: #ede8df;
    --cc-dark-muted: #8a7b6e;
    --cc-light-bg: #f0ece3;
    --cc-light-fg: #0d0d14;
    --cc-light-muted: #9a9aaa;
    --cc-accent-dark: #d4a84b;
    --cc-accent-light: #3a6e00;

    --cc-bg: var(--cc-light-bg);
    --cc-fg: var(--cc-light-fg);
    --cc-muted: var(--cc-light-muted);
    --cc-accent: var(--cc-accent-light);
    --cc-card-bg: rgba(240, 236, 227, 0.88);
    --cc-card-border: rgba(58, 110, 0, 0.18);

    /* Oswald ≈ Bebas Neue (condensed caps), JetBrains Mono ≈ DM Mono;
       оба с кириллицей — иначе ru падает на системный sans. */
    --cc-font-display: "Oswald", "Bebas Neue", sans-serif;
    --cc-font-mono: "JetBrains Mono", "DM Mono", ui-monospace, monospace;
    --cc-hairline: 0.0625rem;
    --cc-ui-inset: 1.25rem;
    --cc-nav-x: calc(var(--cc-ui-inset) + 0.125rem);
    --cc-reveal-offset: 0.625rem;
    --cc-reveal-duration: 0.5s;
    --cc-z-ui: 10;

    max-width: none;
    width: 100%;
    margin: 0;
    padding: 0;
    position: relative;
    overflow: hidden;
    background: var(--cc-bg);
    color: var(--cc-fg);
    font-family: var(--cc-font-mono);
    /* Высота видимой области над bottom-nav (+ safe-area). */
    height: calc(100dvh - 132px - env(safe-area-inset-bottom, 0px));
    min-height: 420px;
    transition: background 0.3s ease, color 0.3s ease;
}

html.dark-theme #sectionContent.content-cube-section {
    --cc-bg: var(--cc-dark-bg);
    --cc-fg: var(--cc-dark-fg);
    --cc-muted: var(--cc-dark-muted);
    --cc-accent: var(--cc-accent-dark);
    --cc-card-bg: rgba(28, 24, 20, 0.82);
    --cc-card-border: rgba(212, 168, 75, 0.2);
}

body.content-cube-active {
    overflow: hidden;
}

body.content-cube-active #app {
    padding-left: 0;
    padding-right: 0;
    padding-top: 0;
}

#contentCube {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

#contentCube .cc-scene {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1100px;
    pointer-events: none;
}

#contentCube .cc-scroll {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    scroll-snap-type: y mandatory;
    scrollbar-width: none;
}

#contentCube .cc-scroll::-webkit-scrollbar {
    display: none;
}

#contentCube .cc-slide {
    min-height: 100%;
    display: flex;
    align-items: center;
    padding: 4.5rem calc(2.5rem + var(--cc-ui-inset)) 5rem 2.5rem;
    box-sizing: border-box;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

#contentCube .cc-cube {
    --s: min(62vw, 52vh, 420px);
    width: var(--s);
    height: var(--s);
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(90deg) rotateY(0deg);
    will-change: transform;
}

#contentCube .cc-face {
    position: absolute;
    inset: 0;
    overflow: hidden;
    backface-visibility: hidden;
    background:
        repeating-linear-gradient(
            0deg,
            rgba(0, 0, 0, 0.05) 0,
            rgba(0, 0, 0, 0.05) 1px,
            transparent 1px,
            transparent 48px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(0, 0, 0, 0.05) 0,
            rgba(0, 0, 0, 0.05) 1px,
            transparent 1px,
            transparent 48px
        ),
        #ddd8cf;
}

html.dark-theme #contentCube .cc-face {
    background:
        repeating-linear-gradient(
            0deg,
            rgba(255, 255, 255, 0.02) 0,
            rgba(255, 255, 255, 0.02) 1px,
            transparent 1px,
            transparent 48px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.02) 0,
            rgba(255, 255, 255, 0.02) 1px,
            transparent 1px,
            transparent 48px
        ),
        #14100d;
}

#contentCube .cc-face img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

#contentCube .cc-face-ph {
    position: absolute;
    bottom: 1.25rem;
    left: 1.5rem;
    font-family: var(--cc-font-display);
    font-weight: 600;
    font-size: clamp(1.6rem, 6vw, 3.5rem);
    letter-spacing: 0.04em;
    color: rgba(0, 0, 0, 0.07);
    pointer-events: none;
    user-select: none;
}

html.dark-theme #contentCube .cc-face-ph {
    color: rgba(255, 255, 255, 0.06);
}

#contentCube .cc-face:has(img) .cc-face-ph {
    display: none;
}

#contentCube .cc-face[data-face="front"] {
    transform: translateZ(calc(var(--s) / 2));
}
#contentCube .cc-face[data-face="back"] {
    transform: rotateY(180deg) translateZ(calc(var(--s) / 2));
}
#contentCube .cc-face[data-face="right"] {
    transform: rotateY(90deg) translateZ(calc(var(--s) / 2));
}
#contentCube .cc-face[data-face="left"] {
    transform: rotateY(-90deg) translateZ(calc(var(--s) / 2));
}
#contentCube .cc-face[data-face="top"] {
    transform: rotateX(-90deg) translateZ(calc(var(--s) / 2));
}
#contentCube .cc-face[data-face="bottom"] {
    transform: rotateX(90deg) translateZ(calc(var(--s) / 2));
}

#contentCube .cc-hud {
    position: absolute;
    top: var(--cc-ui-inset);
    right: var(--cc-ui-inset);
    z-index: var(--cc-z-ui);
    text-align: right;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--cc-muted);
    text-transform: uppercase;
    pointer-events: none;
}

/* Верхний левый селект разделов */
#contentCube .cc-nav {
    position: absolute;
    top: var(--cc-ui-inset);
    left: var(--cc-ui-inset);
    z-index: calc(var(--cc-z-ui) + 2);
    max-width: min(18rem, calc(100% - 8rem));
}

#contentCube .cc-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    width: auto;
    max-width: 100%;
    margin: 0;
    padding: 0.55rem 0.75rem;
    border-radius: 0;
    border: var(--cc-hairline) solid color-mix(in srgb, var(--cc-accent) 45%, transparent);
    background: var(--cc-card-bg);
    color: var(--cc-fg);
    font-family: var(--cc-font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: none;
    backdrop-filter: blur(6px) saturate(120%);
    -webkit-backdrop-filter: blur(6px) saturate(120%);
    transition: border-color 0.2s, background 0.2s, color 0.2s;
}

#contentCube .cc-nav-btn:hover {
    border-color: var(--cc-accent);
    color: var(--cc-accent);
}

#contentCube .cc-nav.is-open .cc-nav-btn {
    border-color: var(--cc-accent);
    color: var(--cc-accent);
}

#contentCube .cc-nav-num {
    color: var(--cc-accent);
    letter-spacing: 0.2em;
    flex-shrink: 0;
}

#contentCube .cc-nav-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

#contentCube .cc-nav-chevron {
    font-size: 0.55rem;
    color: var(--cc-muted);
    flex-shrink: 0;
    transition: transform 0.25s ease, color 0.2s;
}

#contentCube .cc-nav.is-open .cc-nav-chevron {
    transform: rotate(180deg);
    color: var(--cc-accent);
}

#contentCube .cc-nav-menu {
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 0;
    min-width: 100%;
    width: max(100%, 16rem);
    max-width: min(20rem, calc(100vw - 2rem));
    max-height: min(55vh, 22rem);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--cc-card-bg);
    border: var(--cc-hairline) solid var(--cc-card-border);
    backdrop-filter: blur(10px) saturate(130%);
    -webkit-backdrop-filter: blur(10px) saturate(130%);
    scrollbar-width: thin;
    scrollbar-color: var(--cc-accent) transparent;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

#contentCube .cc-nav-menu[hidden] {
    display: none;
}

#contentCube .cc-nav-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    margin: 0;
    padding: 0.65rem 0.8rem;
    border: none;
    border-bottom: var(--cc-hairline) solid color-mix(in srgb, var(--cc-muted) 22%, transparent);
    border-radius: 0;
    background: transparent;
    color: var(--cc-fg);
    font-family: var(--cc-font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-align: left;
    cursor: pointer;
    box-shadow: none;
    transition: background 0.15s, color 0.15s;
}

#contentCube .cc-nav-item:last-child {
    border-bottom: none;
}

#contentCube .cc-nav-item:hover {
    background: color-mix(in srgb, var(--cc-accent) 12%, transparent);
    color: var(--cc-accent);
}

#contentCube .cc-nav-item.is-active {
    background: color-mix(in srgb, var(--cc-accent) 16%, transparent);
    color: var(--cc-accent);
}

#contentCube .cc-nav-item-num {
    flex-shrink: 0;
    color: var(--cc-accent);
    letter-spacing: 0.18em;
    opacity: 0.85;
}

#contentCube .cc-nav-item-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#contentCube .cc-nav-item-cost {
    flex-shrink: 0;
    color: var(--cc-muted);
    letter-spacing: 0.08em;
    font-size: 0.55rem;
}

#contentCube .cc-nav-item.is-active .cc-nav-item-cost,
#contentCube .cc-nav-item:hover .cc-nav-item-cost {
    color: var(--cc-accent);
}

#contentCube .cc-progress {
    width: 7.5rem;
    height: var(--cc-hairline);
    background: var(--cc-muted);
    margin-block-start: 0.5rem;
    margin-inline-start: auto;
    position: relative;
    overflow: hidden;
}

#contentCube .cc-progress-fill {
    position: absolute;
    inset-block: 0;
    inset-inline-start: 0;
    width: 0%;
    background: var(--cc-accent);
    transition: width 0.1s linear;
}

#contentCube .cc-scene-label {
    font-size: 0.6rem;
    color: var(--cc-accent);
    margin-block-start: 0.4rem;
    max-width: 12rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-inline-start: auto;
}

#contentCube .cc-strip {
    position: absolute;
    left: var(--cc-nav-x);
    top: 50%;
    translate: -50% -50%;
    z-index: var(--cc-z-ui);
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    max-height: 70%;
    overflow: hidden;
}

#contentCube .cc-dot {
    position: relative;
    display: block;
    width: 0.25rem;
    height: 0.25rem;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--cc-muted);
    transition: background 0.3s, scale 0.3s;
    cursor: pointer;
    border: none;
    padding: 0;
    margin: 0;
}

#contentCube .cc-dot::before {
    content: "";
    position: absolute;
    inset: -0.25rem;
}

#contentCube .cc-dot.active {
    background: var(--cc-accent);
    scale: 1.8;
}

#contentCube .cc-caption {
    position: absolute;
    bottom: var(--cc-ui-inset);
    left: 50%;
    translate: -50% 0;
    z-index: var(--cc-z-ui);
    text-align: center;
    pointer-events: none;
    user-select: none;
    max-width: calc(100% - 2rem);
}

#contentCube .cc-caption-num {
    font-size: 0.58rem;
    letter-spacing: 0.28em;
    color: var(--cc-accent);
    text-transform: uppercase;
    margin-block-end: 0.15rem;
}

#contentCube .cc-caption-name {
    font-family: var(--cc-font-display);
    font-weight: 600;
    font-size: clamp(1.4rem, 4.5vw, 2.8rem);
    letter-spacing: 0.08em;
    color: var(--cc-muted);
    opacity: 0.45;
    line-height: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#contentCube .cc-text-card {
    max-width: 22rem;
    padding: 1.75rem 1.5rem;
    background: var(--cc-card-bg);
    border-left: var(--cc-hairline) solid var(--cc-card-border);
    backdrop-filter: blur(6px) saturate(120%);
    -webkit-backdrop-filter: blur(6px) saturate(120%);
    overflow: hidden;
    transition: background 0.3s ease, border-color 0.3s ease;
    pointer-events: auto;
}

#contentCube .cc-text-card.right {
    margin-inline-start: auto;
    border-left: none;
    border-right: var(--cc-hairline) solid var(--cc-card-border);
    text-align: right;
}

#contentCube .cc-text-card.right .cc-hline {
    transform-origin: right;
    margin-inline-start: auto;
}

#contentCube .cc-text-card.center {
    margin-inline: auto;
    border-left: none;
    border-top: var(--cc-hairline) solid var(--cc-card-border);
    text-align: center;
    max-width: 26rem;
}

#contentCube .cc-text-card.center .cc-hline {
    transform-origin: center;
    margin-inline: auto;
}

#contentCube .cc-tag {
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cc-accent);
    margin-block-end: 0.9rem;
}

#contentCube .cc-tag-cost {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

#contentCube .cc-tag-cost i {
    font-size: 0.55rem;
}

#contentCube .cc-title {
    font-family: var(--cc-font-display);
    /* Oswald 600 ≈ визуальный вес Bebas Neue (у Bebas один вес = 400). */
    font-weight: 600;
    letter-spacing: 0.03em;
    line-height: 0.95;
    font-size: clamp(2rem, 5.5vw, 3.6rem);
    color: var(--cc-fg);
    margin: 0;
    text-transform: uppercase;
}

#contentCube .cc-intro-title {
    font-size: clamp(2.6rem, 8vw, 5rem);
}

#contentCube .cc-body {
    font-size: 0.78rem;
    line-height: 1.7;
    color: color-mix(in srgb, var(--cc-fg) 58%, transparent);
    margin-block-start: 1rem;
    margin-block-end: 0;
}

#contentCube .cc-hline {
    width: 3.125rem;
    height: var(--cc-hairline);
    background: var(--cc-accent);
    margin-block-end: 1rem;
    transform-origin: left;
}

#contentCube .cc-cta-row {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-block-start: 1.35rem;
}

#contentCube .cc-text-card.right .cc-cta-row {
    justify-content: flex-end;
}

#contentCube .cc-text-card.center .cc-cta-row {
    justify-content: center;
}

/* Перебиваем глобальные button { width:100%; margin:10px 0 } из style.css */
#contentCube button.cc-cta,
#contentCube button.cc-cta-soft {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: auto;
    max-width: 100%;
    margin: 0;
    padding: 0.55rem 1.05rem;
    border-radius: 0;
    font-family: var(--cc-font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

#contentCube button.cc-cta {
    border: var(--cc-hairline) solid var(--cc-accent);
    background: transparent;
    color: var(--cc-accent);
}

#contentCube button.cc-cta:hover {
    background: var(--cc-accent);
    color: var(--cc-bg);
}

#contentCube button.cc-cta-soft {
    border: var(--cc-hairline) solid color-mix(in srgb, var(--cc-muted) 45%, transparent);
    background: transparent;
    color: var(--cc-muted);
}

#contentCube button.cc-cta-soft:hover {
    background: color-mix(in srgb, var(--cc-muted) 12%, transparent);
    border-color: var(--cc-muted);
    color: var(--cc-fg);
}

#contentCube button.cc-cta i,
#contentCube button.cc-cta-soft i {
    font-size: 0.7rem;
}

/* Reveal */
#contentCube .cc-tag,
#contentCube .cc-title,
#contentCube .cc-body,
#contentCube .cc-cta,
#contentCube .cc-cta-soft {
    opacity: 0;
    translate: 0 var(--cc-reveal-offset);
}

#contentCube .cc-title {
    translate: 0 1rem;
    transition:
        opacity var(--cc-reveal-duration) ease 0.08s,
        translate var(--cc-reveal-duration) ease 0.08s;
}

#contentCube .cc-tag {
    transition:
        opacity var(--cc-reveal-duration) ease,
        translate var(--cc-reveal-duration) ease;
}

#contentCube .cc-body {
    transition:
        opacity var(--cc-reveal-duration) ease 0.2s,
        translate var(--cc-reveal-duration) ease 0.2s;
}

#contentCube .cc-cta,
#contentCube .cc-cta-soft {
    transition:
        opacity var(--cc-reveal-duration) ease 0.35s,
        translate var(--cc-reveal-duration) ease 0.35s,
        background 0.2s,
        color 0.2s,
        border-color 0.2s;
}

#contentCube .cc-hline {
    opacity: 0;
    scale: 0 1;
    transition: opacity 0.4s ease, scale 0.4s ease;
}

#contentCube .cc-tag.visible,
#contentCube .cc-title.visible,
#contentCube .cc-body.visible,
#contentCube .cc-cta.visible,
#contentCube .cc-cta-soft.visible {
    opacity: 1;
    translate: 0 0;
}

#contentCube .cc-hline.visible {
    opacity: 1;
    scale: 1 1;
}

@media (max-width: 56.25em) {
    #sectionContent.content-cube-section {
        --cc-ui-inset: 1rem;
        height: calc(100dvh - 118px - env(safe-area-inset-bottom, 0px));
    }

    #contentCube .cc-nav {
        max-width: min(14.5rem, calc(100% - 6.5rem));
    }

    #contentCube .cc-nav-btn {
        padding: 0.5rem 0.65rem;
        font-size: 0.58rem;
    }

    #contentCube .cc-nav-menu {
        width: max(100%, 14rem);
        max-height: min(48vh, 18rem);
    }

    #contentCube .cc-strip {
        display: none;
    }

    #contentCube .cc-cube {
        --s: min(78vw, 42vh, 340px);
    }

    #contentCube .cc-slide {
        min-height: 145%;
        align-items: flex-end;
        padding: 0 1.15rem 3.25rem;
    }

    #contentCube .cc-slide[data-cc-index="0"] {
        min-height: 100%;
        align-items: center;
        padding: 3.5rem 1.15rem;
    }

    #contentCube .cc-text-card,
    #contentCube .cc-text-card.right,
    #contentCube .cc-text-card.center {
        max-width: 100%;
        padding: 1.35rem 1.15rem;
    }

    #contentCube .cc-body {
        line-height: 1.55;
    }

    #contentCube .cc-cta-row {
        margin-block-start: 1.1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    #contentCube .cc-cube {
        transition: none !important;
    }

    #contentCube .cc-tag,
    #contentCube .cc-title,
    #contentCube .cc-body,
    #contentCube .cc-cta,
    #contentCube .cc-cta-soft,
    #contentCube .cc-hline {
        opacity: 1 !important;
        translate: none !important;
        scale: 1 !important;
        transition: none !important;
    }
}
