/**
 * ═══════════════════════════════════════════════════════════════════════════
 *  Digital Prophets 3D Scroll Chain — Frontend CSS
 *  CSS 3D cubes, chain connectors, particles, neon glow effects
 *  Cyber-prophetic aesthetic — deep blacks, electric neons, gold accents
 *
 *  DjDigitalProfitz × digitalprophets.blog
 * ═══════════════════════════════════════════════════════════════════════════
 */

/* ══════════════════════════════════════════════════════════════════
   CSS Custom Properties (overridden inline from PHP settings)
   ══════════════════════════════════════════════════════════════════ */

:root {
    --dp3dsc-primary: #00d4ff;
    --dp3dsc-secondary: #a855f7;
    --dp3dsc-accent: #d4af37;
    --dp3dsc-bg: #0a0a0f;
    --dp3dsc-cube-size: 280px;
    --dp3dsc-rotate-speed: 20s;
    --dp3dsc-half: calc(var(--dp3dsc-cube-size) / 2);
    --dp3dsc-face-radius: 12px;
}

/* ══════════════════════════════════════════════════════════════════
   Chain Container
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-chain {
    position: relative;
    width: 100%;
    min-height: 100vh;
    padding: 120px 0;
    overflow: hidden;
    font-family: 'Inter', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #fff;
    -webkit-font-smoothing: antialiased;
    isolation: isolate;
}

/* Background modes */
.dp3dsc-chain::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.dp3dsc-chain:not([style*="transparent"])::before {
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 212, 255, 0.06) 0%, transparent 70%),
        radial-gradient(ellipse 60% 50% at 20% 80%, rgba(168, 85, 247, 0.05) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 60%, rgba(212, 175, 55, 0.04) 0%, transparent 50%);
}

.dp3dsc-chain-inner {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ══════════════════════════════════════════════════════════════════
   Cube Wrapper — The container for each cube scene
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-cube-wrapper {
    position: relative;
    width: var(--dp3dsc-cube-size);
    height: var(--dp3dsc-cube-size);
    margin: 40px 0;
    perspective: 1200px;
    perspective-origin: 50% 50%;
    z-index: 3;
}

/* ── Layout: Helix ─────────────────────────────────────────────── */

.dp3dsc-layout-helix .dp3dsc-cube-wrapper:nth-child(odd) {
    transform: translateX(-80px);
}

.dp3dsc-layout-helix .dp3dsc-cube-wrapper:nth-child(even) {
    transform: translateX(80px);
}

/* Smooth sine-wave offset for helix */
.dp3dsc-layout-helix .dp3dsc-cube-wrapper:nth-child(4n+1) { transform: translateX(-100px) translateZ(-20px); }
.dp3dsc-layout-helix .dp3dsc-cube-wrapper:nth-child(4n+2) { transform: translateX(60px) translateZ(10px); }
.dp3dsc-layout-helix .dp3dsc-cube-wrapper:nth-child(4n+3) { transform: translateX(100px) translateZ(-10px); }
.dp3dsc-layout-helix .dp3dsc-cube-wrapper:nth-child(4n)   { transform: translateX(-60px) translateZ(20px); }

/* ── Layout: Staggered ─────────────────────────────────────────── */

.dp3dsc-layout-staggered .dp3dsc-cube-wrapper:nth-child(odd) {
    transform: translateX(-120px);
}

.dp3dsc-layout-staggered .dp3dsc-cube-wrapper:nth-child(even) {
    transform: translateX(120px);
}

/* ── Layout: Straight ──────────────────────────────────────────── */

.dp3dsc-layout-straight .dp3dsc-cube-wrapper {
    transform: translateX(0);
}

/* ══════════════════════════════════════════════════════════════════
   Cube Stage — preserve-3d context for faces
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-cube-stage {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
}

/* ══════════════════════════════════════════════════════════════════
   The Cube — 3D transform container
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-cube {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transform: rotateX(0) rotateY(0);
    transition: transform 0.1s ease-out;
}

/* Auto-rotate when assembled (class added by JS) */
.dp3dsc-cube.dp3dsc-assembled {
    animation: dp3dsc-gentle-rotate var(--dp3dsc-rotate-speed) linear infinite;
}

@keyframes dp3dsc-gentle-rotate {
    0%   { transform: rotateY(0deg)   rotateX(2deg); }
    25%  { transform: rotateY(90deg)  rotateX(-1deg); }
    50%  { transform: rotateY(180deg) rotateX(2deg); }
    75%  { transform: rotateY(270deg) rotateX(-1deg); }
    100% { transform: rotateY(360deg) rotateX(2deg); }
}

/* Pause auto-rotate on hover */
.dp3dsc-cube-wrapper:hover .dp3dsc-cube.dp3dsc-assembled {
    animation-play-state: paused;
}

/* ══════════════════════════════════════════════════════════════════
   Cube Faces — Each is a clickable link with image + overlay
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-face {
    position: absolute;
    width: var(--dp3dsc-cube-size);
    height: var(--dp3dsc-cube-size);
    display: block;
    overflow: hidden;
    border-radius: var(--dp3dsc-face-radius);
    text-decoration: none;
    color: #fff;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    cursor: pointer;
    /* Assembled positions — JS will animate FROM exploded TO these */
}

/* Face positions in assembled cube */
.dp3dsc-face-front {
    transform: rotateY(0deg) translateZ(var(--dp3dsc-half));
}

.dp3dsc-face-right {
    transform: rotateY(90deg) translateZ(var(--dp3dsc-half));
}

.dp3dsc-face-back {
    transform: rotateY(180deg) translateZ(var(--dp3dsc-half));
}

.dp3dsc-face-left {
    transform: rotateY(-90deg) translateZ(var(--dp3dsc-half));
}

/* ── Face Image ────────────────────────────────────────────────── */

.dp3dsc-face-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: none;
}

.dp3dsc-face:hover .dp3dsc-face-img {
    transform: scale(1.1);
}

/* ── Face Overlay ──────────────────────────────────────────────── */

.dp3dsc-face-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.3) 30%,
        rgba(0, 0, 0, 0.85) 100%
    );
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    z-index: 2;
    transition: padding-bottom 0.4s ease;
}

.dp3dsc-face:hover .dp3dsc-face-overlay {
    padding-bottom: 28px;
}

.dp3dsc-face-cat {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    background: var(--dp3dsc-accent);
    color: #000;
    padding: 3px 10px;
    border-radius: 3px;
    display: inline-block;
    margin-bottom: 8px;
    width: fit-content;
}

.dp3dsc-face-title {
    font-size: 16px;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 4px 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.dp3dsc-face-excerpt {
    font-size: 11px;
    font-weight: 300;
    line-height: 1.5;
    margin: 0 0 6px 0;
    color: rgba(255, 255, 255, 0.7);
}

.dp3dsc-face-cta {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--dp3dsc-primary);
    transition: transform 0.3s ease;
    display: inline-block;
}

.dp3dsc-face:hover .dp3dsc-face-cta {
    transform: translateX(6px);
}

/* ── Face Assembly Glow Edge (visible during assembly animation) ── */

.dp3dsc-face-glow {
    position: absolute;
    inset: -2px;
    border-radius: var(--dp3dsc-face-radius);
    border: 2px solid var(--dp3dsc-primary);
    opacity: 0;
    box-shadow:
        0 0 15px var(--dp3dsc-primary),
        inset 0 0 15px rgba(0, 212, 255, 0.1);
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 5;
}

/* JS adds this during assembly */
.dp3dsc-face.dp3dsc-assembling .dp3dsc-face-glow {
    opacity: 1;
    animation: dp3dsc-glow-pulse 0.8s ease-in-out;
}

@keyframes dp3dsc-glow-pulse {
    0%   { opacity: 0; box-shadow: 0 0 5px var(--dp3dsc-primary); }
    50%  { opacity: 1; box-shadow: 0 0 40px var(--dp3dsc-primary), 0 0 80px var(--dp3dsc-secondary); }
    100% { opacity: 0; box-shadow: 0 0 10px var(--dp3dsc-primary); }
}

/* ══════════════════════════════════════════════════════════════════
   Chain Connectors — Glowing neon energy lines between cubes
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-connector {
    position: relative;
    width: 4px;
    height: 80px;
    margin: 0 auto;
    z-index: 2;
}

.dp3dsc-connector-line {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(
        180deg,
        var(--dp3dsc-primary) 0%,
        var(--dp3dsc-secondary) 50%,
        var(--dp3dsc-primary) 100%
    );
    opacity: 0;
    transform-origin: top center;
    transition: opacity 0.6s ease;
}

.dp3dsc-connector.dp3dsc-connected .dp3dsc-connector-line {
    opacity: 1;
}

.dp3dsc-connector-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 100%;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 212, 255, 0.15) 50%,
        transparent 100%
    );
    filter: blur(8px);
    opacity: 0;
    transition: opacity 0.8s ease;
}

.dp3dsc-connector.dp3dsc-connected .dp3dsc-connector-glow {
    opacity: 1;
}

/* Traveling energy pulse */
.dp3dsc-connector-pulse {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dp3dsc-primary);
    box-shadow: 0 0 20px var(--dp3dsc-primary), 0 0 40px var(--dp3dsc-secondary);
    opacity: 0;
}

.dp3dsc-connector.dp3dsc-connected .dp3dsc-connector-pulse {
    animation: dp3dsc-energy-flow 2s ease-in-out infinite;
}

@keyframes dp3dsc-energy-flow {
    0%   { top: -4px; opacity: 0; }
    10%  { opacity: 1; }
    90%  { opacity: 1; }
    100% { top: calc(100% - 4px); opacity: 0; }
}

/* ══════════════════════════════════════════════════════════════════
   Cube Assembly Burst — particle pop when cube snaps together
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-cube-burst {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    pointer-events: none;
    z-index: 10;
}

.dp3dsc-cube-burst.dp3dsc-bursting::before,
.dp3dsc-cube-burst.dp3dsc-bursting::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    margin: -150px 0 0 -150px;
    border-radius: 50%;
    animation: dp3dsc-burst 1s ease-out forwards;
}

.dp3dsc-cube-burst.dp3dsc-bursting::before {
    border: 2px solid var(--dp3dsc-primary);
    box-shadow: 0 0 30px var(--dp3dsc-primary);
}

.dp3dsc-cube-burst.dp3dsc-bursting::after {
    border: 1px solid var(--dp3dsc-secondary);
    box-shadow: 0 0 20px var(--dp3dsc-secondary);
    animation-delay: 0.1s;
}

@keyframes dp3dsc-burst {
    0%   { transform: scale(0); opacity: 1; }
    70%  { opacity: 0.4; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* ══════════════════════════════════════════════════════════════════
   Floating Particle Field
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-particle-field {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.dp3dsc-particle {
    position: absolute;
    bottom: -10px;
    left: var(--p-x);
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--dp3dsc-primary);
    box-shadow: 0 0 6px var(--dp3dsc-primary);
    opacity: 0;
    animation: dp3dsc-float var(--p-dur) ease-in-out infinite;
    animation-delay: var(--p-delay);
}

.dp3dsc-particle:nth-child(even) {
    background: var(--dp3dsc-secondary);
    box-shadow: 0 0 6px var(--dp3dsc-secondary);
    width: 2px;
    height: 2px;
}

.dp3dsc-particle:nth-child(3n) {
    background: var(--dp3dsc-accent);
    box-shadow: 0 0 8px var(--dp3dsc-accent);
    width: 4px;
    height: 4px;
}

@keyframes dp3dsc-float {
    0%   { transform: translateY(0) translateX(0); opacity: 0; }
    10%  { opacity: 0.7; }
    50%  { transform: translateY(-50vh) translateX(20px); opacity: 0.4; }
    90%  { opacity: 0.1; }
    100% { transform: translateY(-100vh) translateX(-10px); opacity: 0; }
}

/* ══════════════════════════════════════════════════════════════════
   Lens Flare Overlay
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-lens-flare {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
    background:
        radial-gradient(circle 200px at var(--dp3dsc-flare-x, 50%) var(--dp3dsc-flare-y, 30%), rgba(0, 212, 255, 0.03) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    mix-blend-mode: screen;
}

.dp3dsc-chain:hover .dp3dsc-lens-flare {
    opacity: 1;
}

/* ══════════════════════════════════════════════════════════════════
   Three.js Canvas (when WebGL mode is active)
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-three-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.dp3dsc-threejs-mode .dp3dsc-chain-inner {
    z-index: 5;
}

/* ══════════════════════════════════════════════════════════════════
   No-JS Fallback — cubes shown assembled, no animation
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-no-js .dp3dsc-cube {
    animation: dp3dsc-gentle-rotate var(--dp3dsc-rotate-speed) linear infinite;
}

.dp3dsc-no-js .dp3dsc-connector .dp3dsc-connector-line,
.dp3dsc-no-js .dp3dsc-connector .dp3dsc-connector-glow {
    opacity: 1;
}

/* ══════════════════════════════════════════════════════════════════
   Hover state — subtle face border glow
   ══════════════════════════════════════════════════════════════════ */

.dp3dsc-face:hover {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow:
        0 0 30px rgba(0, 0, 0, 0.5),
        0 0 15px var(--dp3dsc-primary),
        inset 0 0 20px rgba(0, 212, 255, 0.05);
    z-index: 10;
}

.dp3dsc-face:focus-visible {
    outline: 2px solid var(--dp3dsc-accent);
    outline-offset: 3px;
    border-color: var(--dp3dsc-accent);
}

/* ══════════════════════════════════════════════════════════════════
   Responsive — Mobile Fallback
   ══════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

    .dp3dsc-chain {
        padding: 60px 0;
    }

    /* ── Mobile: Cards mode — 2D staggered grid ────────────── */

    .dp3dsc-chain.dp3dsc-mobile-cards .dp3dsc-cube-wrapper {
        width: 100%;
        height: auto;
        perspective: none;
        margin: 0;
        transform: none !important;
    }

    .dp3dsc-chain.dp3dsc-mobile-cards .dp3dsc-cube-stage {
        transform-style: flat;
    }

    .dp3dsc-chain.dp3dsc-mobile-cards .dp3dsc-cube {
        position: relative;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        transform: none !important;
        animation: none !important;
        width: 100%;
        height: auto;
    }

    .dp3dsc-chain.dp3dsc-mobile-cards .dp3dsc-face {
        position: relative;
        width: 100%;
        height: 200px;
        transform: none !important;
        border-radius: 10px;
        opacity: 0;
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .dp3dsc-chain.dp3dsc-mobile-cards .dp3dsc-face.dp3dsc-mobile-visible {
        opacity: 1;
    }

    .dp3dsc-chain.dp3dsc-mobile-cards .dp3dsc-face-glow {
        display: none;
    }

    .dp3dsc-chain.dp3dsc-mobile-cards .dp3dsc-connector {
        height: 40px;
    }

    /* ── Mobile: Mini-cubes mode — small 3D cubes ──────────── */

    .dp3dsc-chain.dp3dsc-mobile-mini-cubes .dp3dsc-cube-wrapper {
        --dp3dsc-cube-size: 160px;
        --dp3dsc-half: 80px;
        transform: none !important;
    }

    .dp3dsc-chain.dp3dsc-mobile-mini-cubes .dp3dsc-face-excerpt {
        display: none;
    }

    .dp3dsc-chain.dp3dsc-mobile-mini-cubes .dp3dsc-face-title {
        font-size: 12px;
    }

    .dp3dsc-chain.dp3dsc-mobile-mini-cubes .dp3dsc-face-overlay {
        padding: 10px;
    }

    /* Helix offsets reduced on mobile */
    .dp3dsc-layout-helix .dp3dsc-cube-wrapper,
    .dp3dsc-layout-staggered .dp3dsc-cube-wrapper {
        transform: translateX(0) !important;
    }
}

@media (max-width: 480px) {
    .dp3dsc-chain.dp3dsc-mobile-cards .dp3dsc-cube {
        grid-template-columns: 1fr;
    }

    .dp3dsc-chain.dp3dsc-mobile-cards .dp3dsc-face {
        height: 180px;
    }

    .dp3dsc-chain.dp3dsc-mobile-mini-cubes .dp3dsc-cube-wrapper {
        --dp3dsc-cube-size: 130px;
        --dp3dsc-half: 65px;
    }
}

/* ══════════════════════════════════════════════════════════════════
   Print — hide entirely
   ══════════════════════════════════════════════════════════════════ */

@media print {
    .dp3dsc-chain {
        display: none !important;
    }
}

/* ══════════════════════════════════════════════════════════════════
   Reduced Motion Preference
   ══════════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    .dp3dsc-cube.dp3dsc-assembled {
        animation: none;
    }

    .dp3dsc-particle,
    .dp3dsc-connector-pulse {
        animation: none;
        opacity: 0.3;
    }

    .dp3dsc-face,
    .dp3dsc-face-img,
    .dp3dsc-face-overlay,
    .dp3dsc-face-cta {
        transition-duration: 0.01s !important;
    }
}