/**
 * SEMIHCAN.COM - Portfolio 3D Showcase & Flip Experience
 * Pure Vanilla CSS3 - Zero Frameworks - Fully Responsive (rem only)
 */

/* ----------------------------------------------------
   Grid Layout & Container
   ---------------------------------------------------- */
.portfolio-preview {
    background: var(--card-bg, var(--bg-secondary));
    position: relative;
    overflow: hidden;
}

.portfolio-grid-page {
    background: var(--bg-color);
}

.section-title-wrap {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-heading {
    font-size: clamp(1.875rem, 3.5vw, 2.625rem);
    font-weight: 700;
    letter-spacing: -0.03rem;
    color: var(--text-color);
    margin: 0;
}

.portfolio-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18.75rem, 1fr));
    gap: 1.875rem;
    position: relative;
    z-index: 2;
}

.portfolio-all-wrap {
    text-align: center;
    margin-top: 3.125rem;
}

.portfolio-empty-note {
    text-align: center;
    grid-column: 1 / -1;
    color: var(--text-muted);
    font-size: 1.125rem;
    padding: 3rem 0;
}

/* ----------------------------------------------------
   3D Interactive Portfolio Card
   ---------------------------------------------------- */
.portfolio-item-container {
    perspective: 62.5rem; /* 1000px 3D perspective */
    position: relative;
    height: 100%;
}

.portfolio-card-3d {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border: 0.0625rem solid var(--border-color);
    border-radius: 1.125rem;
    overflow: hidden;
    box-shadow: 0 0.625rem 1.875rem -0.25rem rgba(0, 0, 0, 0.05);
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.28s cubic-bezier(0.16, 1, 0.3, 1), 
                border-color 0.25s ease;
    transform-style: preserve-3d;
    will-change: transform;
    cursor: pointer;
}

[data-theme="dark"] .portfolio-card-3d {
    background: var(--bg-dark-secondary, #161b22);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0.625rem 1.875rem -0.25rem rgba(0, 0, 0, 0.3);
}

.portfolio-card-3d:hover {
    border-color: rgba(var(--primary-rgb), 0.4);
    box-shadow: 0 1.25rem 2.5rem -0.5rem rgba(0, 0, 0, 0.12),
                0 0 1.25rem -0.25rem rgba(var(--primary-rgb), 0.15);
}

/* Card Top Decor (Browser / macOS Style) */
.portfolio-card-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.02);
    border-bottom: 0.0625rem solid var(--border-color);
    user-select: none;
}

[data-theme="dark"] .portfolio-card-topbar {
    background: rgba(255, 255, 255, 0.02);
}

.portfolio-window-dots {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.window-dot {
    width: 0.5625rem;
    height: 0.5625rem;
    border-radius: 50%;
    display: inline-block;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.dot-close { background-color: #ff5f56; }
.dot-minimize { background-color: #ffbd2e; }
.dot-expand { background-color: #27c93f; }

.portfolio-card-3d:hover .window-dot {
    transform: scale(1.15);
}

.portfolio-category-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04rem;
    padding: 0.2rem 0.625rem;
    border-radius: 6.25rem;
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--primary-color);
    border: 0.0625rem solid rgba(var(--primary-rgb), 0.15);
}

/* Media Stage & Glare Layer */
.portfolio-media-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: #0d1117;
    overflow: hidden;
}

.portfolio-media-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
    filter: brightness(0.98);
}

.portfolio-card-3d:hover .portfolio-media-img {
    transform: scale(1.05);
    filter: brightness(1.02);
}

.portfolio-media-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 2.25rem;
    background: linear-gradient(135deg, rgba(0,0,0,0.05), rgba(0,0,0,0.1));
}

/* Interactive Hover Overlay */
.portfolio-media-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 12, 16, 0.45);
    backdrop-filter: blur(0.25rem);
    -webkit-backdrop-filter: blur(0.25rem);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.portfolio-card-3d:hover .portfolio-media-overlay {
    opacity: 1;
}

.portfolio-spin-prompt {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    color: #0f172a;
    padding: 0.5rem 1rem;
    border-radius: 6.25rem;
    font-size: 0.8125rem;
    font-weight: 600;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.25);
    transform: translateY(0.5rem) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] .portfolio-spin-prompt {
    background: #0f172a;
    color: #f8fafc;
    border: 0.0625rem solid rgba(255, 255, 255, 0.15);
}

.portfolio-card-3d:hover .portfolio-spin-prompt {
    transform: translateY(0) scale(1);
}

.portfolio-spin-prompt i {
    color: var(--primary-color);
    transition: transform 0.4s ease;
}

.portfolio-card-3d:hover .portfolio-spin-prompt i {
    transform: rotate(180deg);
}

/* Dynamic Glare Reflection (Mouse Move) */
.portfolio-glare-surface {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s ease;
    mix-blend-mode: overlay;
    background: radial-gradient(circle 12.5rem at 50% 50%, rgba(255, 255, 255, 0.25), transparent);
}

/* Info Body */
.portfolio-info-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 0.625rem;
}

.portfolio-card-title {
    font-size: 1.1875rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-color);
    margin: 0;
    letter-spacing: -0.01rem;
}

.portfolio-card-excerpt {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Footer Action Buttons */
.portfolio-action-row {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-top: auto;
    padding-top: 0.75rem;
}

.btn-portfolio-expand {
    flex-grow: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border-radius: 0.625rem;
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--primary-color);
    border: 0.0625rem solid rgba(var(--primary-rgb), 0.2);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-portfolio-expand:hover {
    background: var(--primary-color);
    color: #ffffff;
    transform: translateY(-0.0625rem);
    box-shadow: 0 0.375rem 1rem rgba(var(--primary-rgb), 0.35);
}

.btn-portfolio-expand:active {
    transform: scale(0.98);
}

.btn-portfolio-external {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.625rem;
    background: var(--bg-color);
    border: 0.0625rem solid var(--border-color);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8125rem;
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.btn-portfolio-external:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-0.0625rem);
    box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.08);
}

/* ----------------------------------------------------
   Flip Launch Animation on Trigger Card
   ---------------------------------------------------- */
.portfolio-card-3d.is-spinning-launch {
    animation: card3DSpinOut 0.55s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes card3DSpinOut {
    0% {
        transform: perspective(62.5rem) rotateY(0deg) scale(1);
    }
    40% {
        transform: perspective(62.5rem) rotateY(-80deg) scale(0.92);
        opacity: 0.8;
    }
    100% {
        transform: perspective(62.5rem) rotateY(-180deg) scale(0.85);
        opacity: 0.3;
    }
}

/* ----------------------------------------------------
   Grand Cinematic Showcase Modal
   ---------------------------------------------------- */
.project-showcase-backdrop {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(10, 12, 16, 0.78);
    backdrop-filter: blur(1.25rem);
    -webkit-backdrop-filter: blur(1.25rem);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-showcase-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

.project-showcase-dialog {
    position: relative;
    width: 100%;
    max-width: 68.75rem;
    max-height: calc(100vh - 3rem);
    background: var(--bg-color);
    border: 0.0625rem solid var(--border-color);
    border-radius: 1.5rem;
    box-shadow: 0 2rem 5rem -0.625rem rgba(0, 0, 0, 0.45),
                0 0 2.5rem -0.625rem rgba(var(--primary-rgb), 0.25);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: perspective(87.5rem) rotateY(90deg) scale(0.8);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
                opacity 0.35s ease;
    transform-style: preserve-3d;
    will-change: transform, opacity;
}

[data-theme="dark"] .project-showcase-dialog {
    background: #0f1218;
    border-color: rgba(255, 255, 255, 0.12);
}

.project-showcase-backdrop.is-open .project-showcase-dialog {
    transform: perspective(87.5rem) rotateY(0deg) scale(1);
    opacity: 1;
}

/* 3D Spin transition when navigating between projects */
.project-showcase-dialog.is-turning-next {
    animation: turnShowcaseNext 0.48s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.project-showcase-dialog.is-turning-prev {
    animation: turnShowcasePrev 0.48s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes turnShowcaseNext {
    0% {
        transform: perspective(87.5rem) rotateY(0deg) scale(1);
        opacity: 1;
    }
    45% {
        transform: perspective(87.5rem) rotateY(-40deg) scale(0.92);
        opacity: 0.4;
    }
    100% {
        transform: perspective(87.5rem) rotateY(0deg) scale(1);
        opacity: 1;
    }
}

@keyframes turnShowcasePrev {
    0% {
        transform: perspective(87.5rem) rotateY(0deg) scale(1);
        opacity: 1;
    }
    45% {
        transform: perspective(87.5rem) rotateY(40deg) scale(0.92);
        opacity: 0.4;
    }
    100% {
        transform: perspective(87.5rem) rotateY(0deg) scale(1);
        opacity: 1;
    }
}

/* Modal Window Topbar */
.showcase-dialog-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1.25rem;
    background: var(--bg-secondary);
    border-bottom: 0.0625rem solid var(--border-color);
    flex-shrink: 0;
    gap: 1rem;
}

.showcase-topbar-left {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.showcase-url-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3125rem 0.875rem;
    background: var(--bg-color);
    border: 0.0625rem solid var(--border-color);
    border-radius: 6.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
    max-width: 17.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.showcase-url-pill i {
    color: #27c93f;
    font-size: 0.6875rem;
}

.showcase-topbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.showcase-counter {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05rem;
    padding: 0.25rem 0.625rem;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 0.375rem;
}

[data-theme="dark"] .showcase-counter {
    background: rgba(255, 255, 255, 0.06);
}

.btn-showcase-close {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: transparent;
    border: 0.0625rem solid var(--border-color);
    color: var(--text-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9375rem;
    transition: all 0.2s ease;
}

.btn-showcase-close:hover {
    background: #ff5f56;
    border-color: #ff5f56;
    color: #ffffff;
    transform: rotate(90deg);
}

/* Modal Content Grid */
.showcase-dialog-body {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    overflow-y: auto;
    flex-grow: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

/* Left Column: Visual Stage */
.showcase-visual-col {
    background: var(--bg-secondary);
    border-right: 0.0625rem solid var(--border-color);
    padding: 1.875rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.showcase-mockup-frame {
    width: 100%;
    border-radius: 0.875rem;
    overflow: hidden;
    box-shadow: 0 1.25rem 3.125rem rgba(0, 0, 0, 0.2);
    border: 0.0625rem solid var(--border-color);
    background: #000;
    position: relative;
    group: hover;
}

.showcase-mockup-img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.showcase-mockup-frame:hover .showcase-mockup-img {
    transform: scale(1.02);
}

.showcase-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: var(--bg-color);
    border: 0.0625rem solid var(--border-color);
    color: var(--text-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 0.5rem 1.25rem rgba(0, 0, 0, 0.15);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 10;
}

.showcase-nav-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
    transform: translateY(-50%) scale(1.1);
}

.showcase-nav-btn.prev {
    left: 0.875rem;
}

.showcase-nav-btn.next {
    right: 0.875rem;
}

/* Right Column: Story & Architecture */
.showcase-story-col {
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    background: var(--bg-color);
}

.showcase-category-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
    color: var(--primary-color);
}

.showcase-project-title {
    font-size: clamp(1.5rem, 2.5vw, 2.125rem);
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-color);
    letter-spacing: -0.02rem;
    margin: 0;
}

.showcase-project-desc {
    font-size: 0.9375rem;
    line-height: 1.75;
    color: var(--text-muted);
    margin: 0;
    white-space: pre-line;
}

/* Tech Spec Matrix (Web Designer Showcase Grid) */
.showcase-spec-matrix {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    padding: 1rem 0;
    border-top: 0.0625rem solid var(--border-color);
    border-bottom: 0.0625rem solid var(--border-color);
}

.spec-cell {
    background: var(--bg-secondary);
    padding: 0.75rem 0.875rem;
    border-radius: 0.625rem;
    border: 0.0625rem solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.spec-cell-label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.04rem;
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.spec-cell-label i {
    color: var(--primary-color);
}

.spec-cell-value {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-color);
}

/* Modal Bottom Action Row */
.showcase-cta-bar {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-top: auto;
    padding-top: 0.625rem;
}

.btn-showcase-live {
    flex-grow: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 0.875rem 1.5rem;
    border-radius: 0.75rem;
    background: var(--primary-gradient);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.9375rem;
    text-decoration: none;
    box-shadow: 0 0.5rem 1.5rem rgba(var(--primary-rgb), 0.35);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-showcase-live:hover {
    transform: translateY(-0.125rem);
    box-shadow: 0 0.75rem 2rem rgba(var(--primary-rgb), 0.45);
    color: #ffffff;
}

.btn-showcase-dismiss {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.25rem;
    border-radius: 0.75rem;
    background: var(--bg-secondary);
    border: 0.0625rem solid var(--border-color);
    color: var(--text-muted);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-showcase-dismiss:hover {
    color: var(--text-color);
    border-color: var(--text-color);
}

/* ----------------------------------------------------
   Responsive Mobile Adjustments
   ---------------------------------------------------- */
@media (max-width: 53.125rem) {
    .project-showcase-dialog {
        max-height: calc(100vh - 1.5rem);
        border-radius: 1.125rem;
    }

    .showcase-dialog-body {
        grid-template-columns: 1fr;
    }

    .showcase-visual-col {
        border-right: none;
        border-bottom: 0.0625rem solid var(--border-color);
        padding: 1.25rem;
    }

    .showcase-story-col {
        padding: 1.25rem;
        gap: 1rem;
    }

    .showcase-spec-matrix {
        grid-template-columns: 1fr;
    }

    .showcase-url-pill {
        display: none;
    }

    .showcase-nav-btn {
        width: 2.25rem;
        height: 2.25rem;
        font-size: 0.8125rem;
    }

    .showcase-nav-btn.prev {
        left: 0.5rem;
    }

    .showcase-nav-btn.next {
        right: 0.5rem;
    }
}

@media (max-width: 30rem) {
    .portfolio-showcase-grid {
        grid-template-columns: 1fr;
    }

    .project-showcase-backdrop {
        padding: 0.625rem;
    }

    .showcase-cta-bar {
        flex-direction: column;
    }

    .btn-showcase-live, 
    .btn-showcase-dismiss {
        width: 100%;
    }
}