/* Case Study Dialog Styles - Unified Single Scroll */
:root {
    --dialog-bg: #141414;
    --dialog-text: #bac4b8;
    --dialog-accent: #d2ff00; 
    --dialog-border: rgba(186, 196, 184, 0.15);
    --overlay-bg: rgba(0, 0, 0, 0.92);
}

.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay-bg);
    /* backdrop-filter: blur(8px); REMOVE BACKDROP FILTER FROM SCROLL PARENT */
    z-index: 9999;
    display: none;
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    padding: 0;
    /* overflow-y: auto;  MOVED TO CONTAINER */
    /* display: block; */
}

.dialog-overlay.active {
    display: block; 
    opacity: 1;
}

/* Background blur separated to avoid containing block issues */
.dialog-overlay::before {
    content: "";
    position: absolute;
    inset: 0;
    backdrop-filter: blur(8px);
    z-index: -1;
}

/* Close Button - Fixed to viewport */
/* Since parent has no transform/filter, this is relative to viewport */
.dialog-close-btn {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: rgba(20, 20, 20, 0.9);
    border: 1px solid var(--dialog-accent);
    color: var(--dialog-accent);
    padding: 0.6rem 1.2rem;
    font-family: var(--font-display, monospace);
    font-size: 0.8rem;
    text-transform: uppercase;
    cursor: pointer;
    z-index: 10001; /* High Z-index */
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

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

/* Container is now the scrollable element */
.dialog-container {
    background-color: var(--dialog-bg);
    width: 100%;
    height: 100%; /* Full height */
    overflow-y: auto; /* Scroll is here */
    overscroll-behavior: contain; /* Prevent scroll chaining */
    position: relative;
    /* transform: translateY(20px); REMOVE TRANSFORM on container if possible, use margin or opacity for enter animation, or apply transform to inner wrapper */
    opacity: 0;
    transition: opacity 0.4s ease;
    scrollbar-width: thin;
    scrollbar-color: var(--dialog-accent) var(--dialog-bg);
}

/* Inner content wrapper for animation */
.dialog-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 6rem 5vw 4rem; 
    display: flex;
    flex-direction: column;
    gap: 4rem;
    transform: translateY(30px);
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.dialog-overlay.active .dialog-container {
    opacity: 1;
}

.dialog-overlay.active .dialog-content {
    transform: translateY(0);
}


/* 1. Header Section */
.cs-header {
    border-bottom: 1px solid var(--dialog-border);
    padding-bottom: 2rem;
}

.cs-id {
    font-family: var(--font-display, monospace);
    color: var(--dialog-accent);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: block;
    letter-spacing: 0.1em;
}

.cs-title {
    font-family: var(--font-body, sans-serif);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1;
    color: #fff;
    margin-bottom: 1.5rem;
    font-weight: 400;
    max-width: 20ch;
}

.cs-meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    font-family: var(--font-display, monospace);
    font-size: 0.85rem;
    color: var(--dialog-text);
    text-transform: uppercase;
}

.cs-meta-item strong {
    color: #666;
    margin-right: 0.5rem;
    font-weight: normal;
}

/* 2. Hero Image */
.cs-hero-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    overflow: hidden;
    border: 1px solid var(--dialog-border);
}

.cs-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%);
}

/* 3. Main Grid (Specs + Narrative) */
.cs-grid {
    display: grid;
    grid-template-columns: 300px 1fr; /* Fixed Sidebar + Fluid Main */
    gap: 4rem;
    align-items: start;
}

/* Left Column: Specs */
.cs-specs {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    position: sticky;
    top: 2rem; /* Stick on scroll */
}

.cs-spec-group {
    border-top: 1px solid var(--dialog-border);
    padding-top: 1rem;
}

.cs-spec-label {
    font-family: var(--font-display, monospace);
    font-size: 0.75rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.8rem;
    display: block;
}

/* Tech Tags */
.cs-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cs-tag {
    font-family: var(--font-display, monospace);
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--dialog-border);
    color: var(--dialog-text);
    background: rgba(255,255,255,0.03);
}

/* Metrics */
.cs-metrics {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.8rem;
}

.cs-metric {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-family: var(--font-display, monospace);
    font-size: 0.85rem;
}

.cs-metric-val {
    color: var(--dialog-accent);
}

/* Right Column: Narrative */
.cs-narrative {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.cs-summary {
    font-family: var(--font-body, sans-serif);
    font-size: 1.5rem;
    line-height: 1.4;
    color: #fff;
    border-left: 2px solid var(--dialog-accent);
    padding-left: 1.5rem;
}

.cs-text-block h3 {
    font-family: var(--font-display, monospace);
    font-size: 0.9rem;
    color: #666;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.cs-text {
    font-family: var(--font-body, sans-serif);
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--dialog-text);
    max-width: 65ch;
}

/* 4. Gallery */
.cs-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.cs-figure {
    margin: 0;
    border: 1px solid var(--dialog-border);
}

.cs-figure img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(10%) contrast(1.05);
}

.cs-caption {
    padding: 0.8rem;
    font-family: var(--font-display, monospace);
    font-size: 0.7rem;
    color: #666;
    text-transform: uppercase;
    background: rgba(0,0,0,0.3);
    border-top: 1px solid var(--dialog-border);
}

/* Responsive */
@media (max-width: 900px) {
    .cs-grid {
        grid-template-columns: 1fr; /* Stack */
        gap: 3rem;
    }
    
    .cs-specs {
        position: relative; /* Unstick */
        top: 0;
        display: grid;
        grid-template-columns: 1fr 1fr; /* Two columns for specs on tablet */
        gap: 2rem;
    }

    .dialog-content {
        padding: 5rem 5vw 2rem;
    }
}

@media (max-width: 600px) {
    .cs-specs {
        grid-template-columns: 1fr; /* Single column specs on mobile */
    }
    
    .cs-title {
        font-size: 2rem;
    }
    
    .cs-summary {
        font-size: 1.2rem;
    }
}