/* Lookbook Minimalism Slideshow Stylesheet */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-main: #000000;
    --border-color: #1a1a1a;
    --border-hover: #333333;
    --text-primary: #a8a8a8; /* Soft zinc gray for lower glare */
    --text-muted: #555555;    /* Dim gray */
    --accent: #ffffff;        /* White highlight for hover/active links */
    --font-sans: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    overflow: hidden; /* Prevent page scrolling, slideshow only */
    height: 100vh;
    display: flex;
    flex-direction: column;
}

p, li, span, h1, h2, h3, h4, h5, h6, .details-block p, .details-block li, .details-block ul {
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif !important;
}

/* Header */
header {
    position: sticky;
    top: 0;
    background-color: var(--bg-main);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition-smooth);
    border-bottom: 2px solid transparent;
    padding: 0.2rem 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link.active {
    border-bottom-color: var(--text-primary);
}

.nav-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    color: var(--text-muted);
}

.nav-stats span strong {
    color: var(--text-primary);
    font-weight: normal;
}

main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    justify-content: space-between;
}

#showcase-view {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    height: 100%;
}

body.subpage-active {
    overflow-y: auto !important;
    height: auto !important;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Category Filters & Search Row */
.controls-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 2rem 1rem;
}

.tabs-wrapper {
    overflow-x: auto;
    flex-grow: 1;
}

.tabs-wrapper::-webkit-scrollbar {
    height: 0px; /* Hide scrollbar */
}

.tabs {
    display: flex;
    gap: 1.5rem;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.2rem 0;
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: var(--transition-smooth);
    border-bottom: 2px solid transparent;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
}

.search-box {
    position: relative;
    width: 250px;
}

.search-box input {
    width: 100%;
    padding: 0.5rem 0.5rem 0.5rem 1.8rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 0;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    transition: var(--transition-smooth);
}

.search-box input:focus {
    outline: none;
    border-color: var(--border-hover);
}

.search-box svg {
    position: absolute;
    left: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 14px;
    height: 14px;
}

/* Center Slideshow Screen */
/* Preloader Container & Core */
#preloader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    background: #0a0a0a;
}

.preloader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Preloader 1: Split-Reveal */
#preloader-split {
    background: #0a0a0a;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.preloader-split-left,
.preloader-split-right {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: #0a0a0a;
    transition: transform 1.2s cubic-bezier(0.85, 0, 0.15, 1);
    z-index: 1;
}

.preloader-split-left {
    left: 0;
    transform-origin: left;
}

.preloader-split-right {
    right: 0;
    transform-origin: right;
}

.preloader-split-center-line {
    position: relative;
    width: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    animation: splitLineDraw 2s cubic-bezier(0.85, 0, 0.15, 1) forwards 0.3s;
    z-index: 2;
}

@keyframes splitLineDraw {
    0% { width: 0; }
    100% { width: 60vw; }
}

.preloader-split-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
}

.preloader-logo {
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-weight: 200;
    font-size: 1.6rem;
    letter-spacing: 0.8em;
    text-indent: 0.8em;
    opacity: 0;
    animation: preloaderLogoFade 2s ease forwards 0.5s;
}

@keyframes preloaderLogoFade {
    0% { opacity: 0; transform: translate(-50%, calc(-50% + 10px)); }
    100% { opacity: 1; transform: translate(-50%, -50%); }
}

/* Override Keyframes translation to fit absolute centering */
@keyframes preloaderLogoFade {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

.preloader-counter {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

/* Preloader 1 Animation Trigger */
#preloader-split.animate-reveal .preloader-split-left {
    transform: translateX(-100%);
}

#preloader-split.animate-reveal .preloader-split-right {
    transform: translateX(100%);
}

#preloader-split.animate-reveal .preloader-split-center-line {
    opacity: 0;
    transition: opacity 0.5s ease;
}

#preloader-split.animate-reveal .preloader-split-content {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.95);
    transition: opacity 0.6s ease, transform 0.6s ease;
}


/* Preloader 3: Liquid Typo Mask */
#preloader-liquid {
    background: #121212;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.preloader-liquid-top,
.preloader-liquid-bottom {
    position: absolute;
    left: 0;
    width: 100%;
    height: 50%;
    background: #121212;
    transition: transform 1.2s cubic-bezier(0.85, 0, 0.15, 1);
    z-index: 1;
}

.preloader-liquid-top {
    top: 0;
    transform-origin: top;
}

.preloader-liquid-bottom {
    bottom: 0;
    transform-origin: bottom;
}

.preloader-liquid-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    width: 800px;
    height: 200px;
}

.liquid-logo-svg {
    width: 100%;
    height: 100%;
}

.liquid-text-mask,
.liquid-text-bg {
    font-family: var(--font-sans);
    font-weight: 200;
    font-size: 75px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
}

.liquid-text-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 1px;
}

.liquid-text-mask {
    fill: #ffffff;
}

/* Moving wave animation */
.liquid-wave-rect {
    animation: liquidMoveWave 4s ease-in-out infinite alternate;
}

@keyframes liquidMoveWave {
    0% {
        x: -400px;
        y: 20px;
    }
    50% {
        y: -10px;
    }
    100% {
        x: 400px;
        y: 10px;
    }
}

/* Preloader 3 Animation Trigger */
#preloader-liquid.animate-reveal .preloader-liquid-top {
    transform: translateY(-100%);
}

#preloader-liquid.animate-reveal .preloader-liquid-bottom {
    transform: translateY(100%);
}

#preloader-liquid.animate-reveal .preloader-liquid-content {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.95);
    transition: opacity 0.6s ease, transform 0.6s ease;
}


/* Media Type Toggle */
.media-toggle {
    display: flex;
    gap: 0;
    padding: 0.6rem 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.media-toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
}

.media-toggle-btn::after {
    content: '';
    position: absolute;
    bottom: -0.6rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.media-toggle-btn.active {
    color: var(--text-primary);
}

.media-toggle-btn.active::after {
    transform: scaleX(1);
}

.media-toggle-btn:hover {
    color: var(--text-primary);
}

/* Showcase — Flexbox Column-Wrap (Natural Proportions, No Cropping) */
.showcase-grid-container {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 4px;
    overflow-x: auto;
    overflow-y: hidden;
    height: calc(100vh - 170px);
    padding: 4px 2rem;
    flex-grow: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

/* Custom Scrollbar */
.showcase-grid-container::-webkit-scrollbar {
    height: 4px;
}

.showcase-grid-container::-webkit-scrollbar-track {
    background: transparent;
}

.showcase-grid-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.showcase-grid-container::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* Card — fixed width, auto height based on image */
.showcase-card {
    width: 280px;
    flex-shrink: 0;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

/* Image — full width, natural height, NO CROPPING */
.showcase-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.showcase-card:hover .showcase-img {
    transform: scale(1.04);
}

/* Hover Overlay Info */
.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.4) 60%, rgba(10, 10, 10, 0) 100%);
    padding: 1.5rem 1rem 1rem 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.showcase-card:hover .showcase-overlay {
    opacity: 1;
}

.showcase-card-title {
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.2rem;
    font-family: var(--font-sans);
}

.showcase-card-meta {
    color: var(--text-muted);
    font-size: 0.7rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin: 0 auto;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-contact a:hover {
    color: var(--text-primary);
}

.footer-sep {
    color: var(--border-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .controls-row {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    .search-box {
        width: 100%;
    }
    .nav-btn {
        width: 40px;
        height: 40px;
        font-size: 0.8rem;
    }
    .slide-wrapper {
        max-height: 45vh;
    }
    .slide-img {
        max-height: 40vh;
    }
}

/* Minimalist Subpage Content Styling */
.content-section {
    display: none;
    max-width: 1300px;
    margin: 3rem auto 6rem;
    width: 100%;
    animation: contentFadeIn 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    padding: 0 2rem;
}

.content-section.active {
    display: block;
}

@keyframes contentFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.content-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.8rem;
    text-transform: uppercase;
}

/* Grid layout for Articles, Workshops, and Tutorials */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 2rem;
}

.article-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border: 1px solid var(--border-color);
    padding: 1rem;
    background-color: #050505;
    transition: var(--transition-smooth);
}

.article-card:hover {
    border-color: var(--border-hover);
}

.article-thumb-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #000000;
    border: 1px solid var(--border-color);
}

.article-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5; /* Dim by default */
    filter: grayscale(1); /* strict lookbook monochrome */
    transition: var(--transition-smooth);
}

.article-card:hover .article-thumb {
    opacity: 0.8;
    filter: grayscale(0.2);
}

.article-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.article-card h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    transition: var(--transition-smooth);
}

.article-card:hover h2 {
    color: var(--accent);
}

.article-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.article-meta {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Contact Page Specific Styles */
.contact-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    text-align: center;
    margin-top: 1rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    font-size: 0.9rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.contact-item span {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.08em;
}

.contact-item a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.2rem;
    transition: var(--transition-smooth);
}

.contact-item a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.contact-qr-wrapper {
    margin-top: 0.5rem;
    border: 1px solid var(--border-color);
    padding: 0.8rem;
    background-color: #050505;
}

.contact-qr {
    max-width: 180px;
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(1) contrast(1.1); /* Match strict lookbook theme */
}

/* Prompt cases and comparison styles for Tutorials tab */
.prompt-container {
    position: relative;
    margin: 0.8rem 0 1rem;
    width: 100%;
}

.prompt-code {
    display: block;
    width: 100%;
    background-color: var(--bg-code, #070707);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 1rem 3.5rem 1rem 1rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-all;
    text-align: left;
}

.copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: #121212;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 0.3rem 0.6rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.copy-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    background-color: #070707;
}

.copy-btn.copied {
    color: #00ff66;
    border-color: #00ff66;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 0.8rem 0;
    width: 100%;
}

.img-container {
    border: 1px solid var(--border-color);
    background-color: #000;
    padding: 0.4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.img-container img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    max-height: 250px;
    filter: grayscale(0.8);
    transition: var(--transition-smooth);
}

.img-container img:hover {
    filter: grayscale(0.1);
}

.img-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tutorial-details {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-top: 0.5rem;
}

.tutorial-details ul {
    list-style: none;
    padding-left: 0;
    margin-top: 0.3rem;
}

.tutorial-details li {
    position: relative;
    padding-left: 0.8rem;
    margin-bottom: 0.2rem;
}

.tutorial-details li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

.cases-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    width: 100%;
}

.example-block {
    margin-top: 1.5rem;
    border-top: 1px dashed var(--border-color);
    padding-top: 1.5rem;
    width: 100%;
}

.example-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
    display: block;
    text-align: left;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    width: 100%;
}

.details-block {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    text-align: left;
}

.details-block h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.details-block p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Tutorials Thumbnail Grid Catalog */
.tutorials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    width: 100%;
    margin-top: 1rem;
}

.tutorial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    max-width: 360px;
}

.tutorial-card:hover {
    border-color: var(--border-hover);
}

.tutorial-card-thumb-wrapper {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: #000;
    border-bottom: 1px solid var(--border-color);
}

.tutorial-card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(0.8);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), filter 0.5s;
}

.tutorial-card:hover .tutorial-card-thumb {
    filter: grayscale(0.1);
    transform: scale(1.04);
}

.tutorial-card-content {
    padding: 1.2rem;
    text-align: left;
}

.tutorial-card-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.4rem;
}

.tutorial-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent);
    line-height: 1.4;
}

/* Fullscreen Detail Modal Overlay */
.tutorial-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none; /* JS controlled */
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
}

.modal-wrapper {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    max-width: 900px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    z-index: 10001;
    padding: 3rem 2.5rem 2.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.modal-close-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    background-color: var(--bg-code);
}

.modal-body-content {
    width: 100%;
}

/* Disable body scroll when modal open */
body.modal-open {
    overflow: hidden;
}

/* Back button for subpages */
.back-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.back-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    background-color: var(--border-color);
}

/* Lightbox Fullscreen Modal Styles */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(10, 10, 10, 0.96);
    z-index: 100000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.lightbox-modal.active {
    opacity: 1;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 3rem;
    color: var(--text-primary);
    font-size: 2.5rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 100002;
    user-select: none;
}

.lightbox-close:hover {
    color: var(--text-muted);
}

.lightbox-content-wrapper {
    max-width: 90%;
    max-height: 85vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    cursor: zoom-in;
    z-index: 100001;
}

.lightbox-img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    user-select: none;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.lightbox-img.zoomed {
    transform: scale(2);
    cursor: zoom-out;
}

.lightbox-caption {
    margin-top: 1.5rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    z-index: 100001;
    user-select: none;
}