/* Romish Case Study Styles */

:root {
    --cs-bg: #020204;
    --cs-accent: var(--accent-primary);
}

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

/* Sticky Nav */
.case-study-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--glass-border);
}

.case-study-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.back-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.back-link:hover {
    color: var(--accent-primary);
    transform: translateX(-4px);
}

/* Hero Section */
.cs-hero {
    padding: var(--space-24) 0 var(--space-12);
    text-align: center;
    position: relative;
}

.cs-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, #fff 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.cs-subtitle {
    font-size: var(--fs-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-8);
    line-height: 1.5;
}

/* Overview Section */
.cs-overview {
    padding: var(--space-16) 0;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 992px) {
    .overview-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.overview-text h2 {
    margin-bottom: var(--space-6);
    font-size: var(--fs-3xl);
}

.overview-text p {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.feature-mini-card {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
}

.feature-title {
    color: var(--accent-primary);
    margin-bottom: var(--space-2);
    font-size: var(--fs-base);
    font-weight: 700;
}

.feature-mini-card p {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    line-height: 1.5;
}

/* Walkthrough Sections */
.cs-walkthrough {
    padding: var(--space-16) 0;
}

.walkthrough-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
    margin-bottom: var(--space-32);
}

@media (min-width: 992px) {
    .walkthrough-section {
        grid-template-columns: 1fr 1.2fr;
    }
    
    .walkthrough-section.reverse {
        direction: rtl;
    }
    
    .walkthrough-section.reverse .wt-text,
    .walkthrough-section.reverse .wt-visual {
        direction: ltr;
    }
}

.wt-title {
    font-size: var(--fs-3xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.wt-text p {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.wt-bullets {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.wt-bullets li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--fs-base);
}


.wt-bullets li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-primary);
}

.wt-visual {
    position: relative;
}

.screenshot-container {
    aspect-ratio: 16/10;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.screenshot-container:hover {
    transform: scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.screenshot-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    opacity: 0.3;
}

.screenshot-placeholder span {
    font-weight: 700;
    font-size: var(--fs-xl);
}

.project-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Footer Section */
.cs-footer {
    padding: var(--space-32) 0;
    text-align: center;
}

.footer-card {
    padding: var(--space-16);
    border-radius: var(--radius-2xl);
    max-width: 800px;
    margin: 0 auto;
}

.footer-card h2 {
    font-size: var(--fs-4xl);
    margin-bottom: var(--space-4);
}

.footer-card p {
    font-size: var(--fs-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.footer-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

@media (max-width: 768px) {
    .footer-actions {
        flex-direction: column;
    }
    
    .footer-actions .btn {
        width: 100%;
    }

    /* Mobile Enhancements */
    .cs-hero {
        padding: var(--space-8) 0 var(--space-6);
    }
    
    .cs-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }

    .cs-tech-stack {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-2);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .wt-text p {
        font-size: var(--fs-base);
    }
    
    .wt-bullets li {
        font-size: var(--fs-sm);
    }

    .walkthrough-section {
        margin-bottom: var(--space-16);
        gap: var(--space-6);
    }

    /* Remove visual clutter on mobile */
    .feature-mini-card {
        padding: var(--space-4);
    }

    /* Better screenshot container fitting */
    .screenshot-container {
        border-radius: var(--radius-md);
        box-shadow: none; /* Reduce performance hit/clutter */
    }

    /* Adjust nav for mobile */
    .case-study-nav {
        padding: var(--space-2) 0;
    }
    
    .nav-actions {
        display: none; /* Hide primary CTA in nav if space is tight, or just reduce button size */
    }

    .footer-card {
        padding: var(--space-8);
    }
}

/* Lightbox Styles */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(5px);
}

.lightbox-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
    transform: scale(0.9);
    transition: transform 0.3s;
}

.lightbox-overlay.active .lightbox-image {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.project-screenshot {
    cursor: zoom-in;
    transition: transform 0.3s ease;
}

.screenshot-container:hover .project-screenshot {
    transform: scale(1.02);
}