/* ============================================
   desca.work — Design Language Stylesheet
   Neoclassical Opera House x Evolved Minimalism
   ============================================ */

/* ---- CSS Custom Properties ---- */
:root {
    --obsidian: #0a0a0f;
    --cream: #e8e0d4;
    --cream-light: #f0ebe0;
    --gold: #c9a24c;
    --taupe: #a89880;
    --neon-cyan: #00e5ff;
    --neon-pink: #e83e8c;
    --sidebar-width: 240px;
    --font-display: 'Poiret One', sans-serif;
    --font-body: 'Cormorant Garamond', Georgia, serif;
    --font-ui: 'Space Mono', monospace;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--obsidian);
    color: var(--cream);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ---- Marble Canvas Background ---- */
#marble-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    opacity: 0.15;
}

/* ---- Noise Overlay ---- */
#noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    pointer-events: none;
    opacity: 0.08;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* ---- Fixed Sidebar Navigation ---- */
#sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--obsidian);
    border-right: 1px solid rgba(201, 162, 76, 0.3);
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 0;
}

.sidebar-monogram {
    margin-bottom: 60px;
}

.monogram-svg {
    width: 48px;
    height: 48px;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.monogram-svg:hover {
    transform: rotate(45deg);
}

.sidebar-glyphs {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 36px;
}

.glyph-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--taupe);
    transition: color 0.4s ease, transform 0.3s ease;
    position: relative;
}

.glyph-link::before {
    content: '';
    position: absolute;
    left: 50%;
    top: -18px;
    width: 1px;
    height: 12px;
    background: rgba(201, 162, 76, 0.2);
    transform: translateX(-50%);
}

.glyph-link:first-child::before {
    display: none;
}

.glyph-link:hover,
.glyph-link.active {
    color: var(--gold);
    transform: scale(1.1);
}

.glyph-link.active .glyph-icon {
    filter: drop-shadow(0 0 6px rgba(201, 162, 76, 0.5));
}

.glyph-icon {
    width: 24px;
    height: 24px;
    transition: filter 0.4s ease;
}

.glyph-label {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.glyph-link:hover .glyph-label,
.glyph-link.active .glyph-label {
    opacity: 1;
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.sidebar-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(201, 162, 76, 0.3), transparent);
}

.sidebar-year {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--taupe);
    opacity: 0.5;
}

/* ---- Main Content Stage ---- */
#content-stage {
    margin-left: var(--sidebar-width);
    position: relative;
    z-index: 2;
    scroll-snap-type: y proximity;
    overflow-y: auto;
}

/* ---- Chamber Sections ---- */
.chamber {
    min-height: 100vh;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    position: relative;
    scroll-snap-align: start;
}

.chamber-dark {
    background: var(--obsidian);
    color: var(--cream);
}

.chamber-light {
    background: var(--cream-light);
    color: var(--obsidian);
}

.chamber-grid {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    padding: 80px 60px;
    align-content: center;
    min-height: 100vh;
}

.chamber-content {
    grid-column: 2 / 6;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.chamber-accent {
    grid-column: 6 / 7;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---- Typography ---- */
.chamber-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(64px, 10vw, 120px);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    line-height: 1.0;
    margin-bottom: 20px;
    position: relative;
}

.chamber-subtitle {
    font-family: var(--font-ui);
    font-size: 24px;
    letter-spacing: 0.3em;
    color: var(--gold);
    margin-bottom: 40px;
    margin-top: -10px;
}

.chamber-prose {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 20px;
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: 40px;
    opacity: 0.85;
}

.chamber-light .chamber-prose {
    color: rgba(10, 10, 15, 0.75);
}

/* ---- Glitch Text Effect ---- */
.glitch-text {
    position: relative;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.glitch-text:hover::before {
    animation: glitch1 0.3s ease-in-out;
    color: var(--neon-cyan);
    opacity: 0.7;
}

.glitch-text:hover::after {
    animation: glitch2 0.3s ease-in-out;
    color: var(--neon-pink);
    opacity: 0.7;
}

@keyframes glitch1 {
    0% { transform: translate(0); opacity: 0; }
    20% { transform: translate(-3px, 2px); opacity: 0.7; }
    40% { transform: translate(3px, -2px); opacity: 0.7; }
    60% { transform: translate(-2px, -1px); opacity: 0.7; }
    80% { transform: translate(2px, 1px); opacity: 0.7; }
    100% { transform: translate(0); opacity: 0; }
}

@keyframes glitch2 {
    0% { transform: translate(0); opacity: 0; }
    20% { transform: translate(3px, -2px); opacity: 0.7; }
    40% { transform: translate(-3px, 2px); opacity: 0.7; }
    60% { transform: translate(2px, 1px); opacity: 0.7; }
    80% { transform: translate(-2px, -1px); opacity: 0.7; }
    100% { transform: translate(0); opacity: 0; }
}

/* ---- Neon Line ---- */
.neon-line {
    width: 2px;
    height: 200px;
    position: relative;
}

.neon-cyan {
    background: var(--neon-cyan);
    box-shadow: 0 0 10px var(--neon-cyan), 0 0 30px rgba(0, 229, 255, 0.3), 0 0 60px rgba(0, 229, 255, 0.1);
    animation: neonFlicker 4s ease-in-out infinite;
}

@keyframes neonFlicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
    52% { opacity: 1; }
    54% { opacity: 0.8; }
    56% { opacity: 1; }
}

/* ---- Deco Ornaments ---- */
.deco-ornament {
    margin: 20px 0;
}

.ornament-svg {
    width: 200px;
    height: 30px;
    opacity: 0.7;
}

.ornament-bottom .ornament-svg {
    width: 120px;
    height: 20px;
}

/* ---- Crack Transitions ---- */
.crack-transition {
    position: relative;
    height: 80px;
    margin-left: 0;
    overflow: hidden;
    z-index: 3;
}

.crack-svg {
    width: 100%;
    height: 100%;
}

.crack-path {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 1.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.crack-transition.visible .crack-path {
    stroke-dashoffset: 0;
}

.crack-glow {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 1.8s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.8s ease 0.6s;
    filter: blur(4px);
}

.crack-transition.visible .crack-glow {
    stroke-dashoffset: 0;
    opacity: 0.6;
}

/* ---- Atelier Cards ---- */
.atelier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    width: 100%;
    margin-top: 20px;
}

.atelier-card {
    border: 1px solid rgba(168, 152, 128, 0.3);
    padding: 40px 30px;
    position: relative;
    transition: border-color 0.4s ease, transform 0.4s ease;
    background: transparent;
}

.chamber-light .atelier-card {
    border-color: rgba(10, 10, 15, 0.15);
}

.atelier-card:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
}

.atelier-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 20px;
    right: 20px;
    height: 1px;
    background: var(--gold);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.atelier-card:hover::before {
    opacity: 1;
}

.card-number {
    font-family: var(--font-ui);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--gold);
    margin-bottom: 20px;
}

.card-title {
    font-family: var(--font-display);
    font-size: 24px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
    font-weight: 400;
}

.card-text {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.75;
}

/* ---- Gallery Grid ---- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    margin-top: 20px;
}

.gallery-item {
    aspect-ratio: 4 / 3;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item-wide {
    grid-column: span 2;
}

.gallery-frame {
    width: 100%;
    height: 100%;
    border: 1px solid rgba(201, 162, 76, 0.3);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.4s ease;
    overflow: hidden;
}

.gallery-frame::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(201, 162, 76, 0.15);
    pointer-events: none;
}

.gallery-item:hover .gallery-frame {
    border-color: var(--neon-cyan);
}

.gallery-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-inner {
    transform: scale(1.05);
}

.gallery-label {
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.gallery-year {
    font-family: var(--font-ui);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--taupe);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.05) 0%, rgba(232, 62, 140, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* ---- Sanctum Principles ---- */
.sanctum-principles {
    display: flex;
    flex-direction: column;
    gap: 40px;
    width: 100%;
    margin-top: 20px;
}

.principle {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(10, 10, 15, 0.1);
}

.principle:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.principle-marker {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    margin-top: 4px;
}

.principle-marker svg {
    width: 100%;
    height: 100%;
}

.principle-text h3 {
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 400;
}

.principle-text p {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 18px;
    line-height: 1.6;
    opacity: 0.75;
}

/* ---- Archive / Contact ---- */
.archive-contact {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
    max-width: 500px;
    margin-bottom: 60px;
}

.contact-line {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-label {
    font-family: var(--font-ui);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--taupe);
    min-width: 100px;
}

.contact-divider {
    flex: 1;
    height: 1px;
    background: rgba(201, 162, 76, 0.2);
}

.contact-value {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 18px;
    color: var(--cream);
}

.neon-pulse {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
    animation: neonTextPulse 3s ease-in-out infinite;
}

@keyframes neonTextPulse {
    0%, 100% { text-shadow: 0 0 10px rgba(0, 229, 255, 0.4); }
    50% { text-shadow: 0 0 20px rgba(0, 229, 255, 0.7), 0 0 40px rgba(0, 229, 255, 0.2); }
}

.archive-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
    margin-top: 40px;
}

.footer-diamond {
    width: 40px;
    height: 40px;
}

.copyright {
    font-family: var(--font-ui);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--taupe);
    opacity: 0.5;
}

/* ---- Scroll Reveal Animations ---- */
.chamber-content {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1),
                transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.chamber-content.revealed {
    opacity: 1;
    transform: translateY(0);
}

.atelier-card,
.gallery-item,
.principle {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.23, 1, 0.32, 1),
                transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.atelier-card.revealed,
.gallery-item.revealed,
.principle.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 60px;
    }
    
    .glyph-label {
        display: none;
    }
    
    .sidebar-monogram {
        margin-bottom: 30px;
    }
    
    .monogram-svg {
        width: 36px;
        height: 36px;
    }
    
    .chamber-grid {
        padding: 60px 30px;
    }
    
    .chamber-content {
        grid-column: 1 / -1;
    }
    
    .chamber-accent {
        display: none;
    }
    
    .atelier-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item-wide {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    #sidebar {
        display: none;
    }
    
    #content-stage {
        margin-left: 0;
    }
    
    .chamber-grid {
        padding: 40px 20px;
        grid-template-columns: 1fr;
    }
    
    .chamber-content {
        grid-column: 1;
    }
    
    .chamber-title {
        font-size: clamp(40px, 12vw, 80px);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item-wide {
        grid-column: span 1;
    }
}