/* ==========================================================================
   LAYERS — PROJECT SHOWCASE CSS
   Immersive 3D scrolling showcase + variation configurator
   ========================================================================== */

.gallery-body {
    background-color: var(--bg-dark);
    color: var(--text-dark-primary);
    overflow-x: hidden;
}

/* Make header minimal for the gallery to keep focus on models */
.header-minimal {
    mix-blend-mode: normal;
    background: transparent;
}

.header-minimal .logo-main,
.header-minimal .nav-toggle {
    color: var(--text-dark-primary);
}

/* Fixed 3D Canvas Background */
.gallery-3d-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    /* Below text */
    pointer-events: auto;
}

#gallery-canvas {
    width: 100%;
    height: 100%;
    outline: none;
    /* Soft vignette effect over canvas */
    mask-image: radial-gradient(circle at center, black 60%, transparent 100%);
    -webkit-mask-image: radial-gradient(circle at center, black 60%, transparent 100%);
}

.three-js-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    pointer-events: none;
    animation: fade-in-out 4s infinite;
}

@keyframes fade-in-out {

    0%,
    100% {
        opacity: 0.2;
    }

    50% {
        opacity: 0.8;
    }
}

/* Scroll Narrative Overlay container */
.scroll-narrative-container {
    position: relative;
    z-index: 10;
    width: 100%;
    pointer-events: none;
    /* Let drag events pass to canvas */
}

.project-section {
    position: relative;
    width: 100%;
    padding-bottom: 20vh;
}

/* View steps define segments of scroll where camera changes */
.project-view-step {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 var(--container-padding);
    pointer-events: none;
}

.project-view-step>* {
    pointer-events: auto;
    /* Re-enable pointer for text/cards */
}

/* Information Cards overlaid on 3D */
.project-info-card {
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-8);
    max-width: 500px;
    border-radius: 4px;
}

.project-number {
    font-size: 0.8rem;
    color: var(--text-dark-secondary);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: var(--space-4);
}

.project-title {
    font-size: 3rem;
    margin-bottom: var(--space-2);
}

.project-materials {
    font-family: var(--font-heading);
    font-style: italic;
    color: var(--accent-color);
    margin-bottom: var(--space-6);
    font-size: 1.1rem;
}

.project-description {
    color: var(--text-dark-secondary);
    font-size: 1rem;
    margin: 0;
}

/* Detail Steps (Zoom ins) */
.detail-step {
    justify-content: flex-start;
}

.detail-step[data-focus$="embroidery"],
.detail-step[data-focus$="structure"] {
    justify-content: flex-end;
}

.detail-card {
    max-width: 350px;
    padding: var(--space-6);
    background: linear-gradient(to right, rgba(10, 10, 10, 0.8), transparent);
}

.right-align.detail-card {
    background: linear-gradient(to left, rgba(10, 10, 10, 0.8), transparent);
    text-align: right;
}

.detail-line {
    width: 40px;
    height: 1px;
    background: var(--accent-color);
    margin-bottom: var(--space-4);
}

.right-align .detail-line {
    margin-left: auto;
}

.detail-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
}

.detail-text {
    font-size: 0.9rem;
    color: var(--text-dark-secondary);
    margin: 0;
}

/* Transition space between dresses */
.project-transition {
    height: 50vh;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0.5;
}

.transition-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.transition-line {
    width: 1px;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--text-dark-primary), transparent);
}

/* Footer of projects gallery */
.projects-footer {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    pointer-events: auto;
    background: linear-gradient(to top, var(--bg-dark), transparent);
}

/* Controls */
.gallery-controls {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
    display: flex;
    gap: 10px;
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.control-btn.active {
    background: #fff;
    color: #000;
}

/* --- F7: Variation Configurator Panel --- */
.variation-panel {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    background: rgba(10, 10, 10, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    padding: 12px 14px;
}

.variation-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.45);
    font-family: var(--font-body);
}

.variation-swatches {
    display: flex;
    gap: 8px;
    align-items: center;
}

.var-btn {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    padding: 0;
    outline: none;
    position: relative;
}

.var-btn::after {
    content: attr(title);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    background: rgba(10, 10, 10, 0.9);
    color: #fff;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
    padding: 3px 7px;
    border-radius: 3px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.var-btn:hover::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.var-btn[data-material="default"] {
    background: radial-gradient(circle at 35% 35%, #aaa, #444);
}

.var-btn[data-material="gold"] {
    background: radial-gradient(circle at 35% 35%, #f0d060, #b8962e);
}

.var-btn[data-material="noir"] {
    background: radial-gradient(circle at 35% 35%, #1a1a1a, #000);
    border-color: rgba(255, 255, 255, 0.35);
}

.var-btn:hover {
    transform: scale(1.2);
    border-color: rgba(255, 255, 255, 0.6);
}

.var-btn.active {
    border-color: #fff;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.25);
    transform: scale(1.15);
}

@media (max-width: 768px) {
    .project-info-card {
        padding: var(--space-6);
        background: rgba(10, 10, 10, 0.8);
    }

    .project-title {
        font-size: 2rem;
    }

    .detail-card,
    .right-align.detail-card {
        background: rgba(10, 10, 10, 0.7);
        backdrop-filter: blur(4px);
        text-align: left;
        border-radius: 4px;
        border-left: 2px solid var(--accent-color);
    }

    .detail-line {
        display: none;
    }
}