/* ============================================
   BugSaga - Detective Noir Aesthetic
   ============================================ */

:root {
    /* Color Palette - Noir with Amber Accent */
    --bg-primary: #0d0d0f;
    --bg-secondary: #151519;
    --bg-card: #1a1a1f;
    --bg-card-hover: #222228;
    
    --accent-primary: #d4a853;
    --accent-secondary: #b8942e;
    --accent-glow: rgba(212, 168, 83, 0.3);
    
    --text-primary: #ece8e0;
    --text-secondary: #b0aaa0;
    --text-muted: #706b62;
    
    --border-color: #2a2a30;
    --border-accent: #3a3a40;
    
    /* Typography */
    --font-main: 'Roboto Slab', Georgia, serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 18px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.8;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Atmospheric Overlays */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
    opacity: 0.15;
}

/* Header */
.header {
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    position: relative;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, var(--accent-primary), transparent);
}

.header-content {
    max-width: 1000px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.bug-icon {
    width: 80px;
    height: 80px;
    color: var(--accent-primary);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.logo {
    font-size: 4.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.logo-bug {
    color: var(--text-primary);
}

.logo-saga {
    color: var(--accent-primary);
    text-shadow: 0 0 30px var(--accent-glow);
}

.tagline {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--text-secondary);
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.header-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.deco-line {
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.deco-diamond {
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    transform: rotate(45deg);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
}

/* Intro Section */
.intro-section {
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.intro-section::before,
.intro-section::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-primary);
}

.intro-section::before {
    top: -2px;
    left: -2px;
    border-right: none;
    border-bottom: none;
}

.intro-section::after {
    bottom: -2px;
    right: -2px;
    border-left: none;
    border-top: none;
}

.case-stamp {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: transparent;
    border: 2px solid #c44;
    color: #c44;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    transform: rotate(-3deg);
    margin-bottom: var(--space-md);
    opacity: 0.8;
}

.intro-text {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    font-weight: 300;
}

/* Cases Section */
.cases-section {
    margin-top: var(--space-xl);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    position: relative;
    padding-left: var(--space-md);
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 100%;
    background: var(--accent-primary);
}

.case-count {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.count-label {
    font-size: 1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.count-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-primary);
}

/* Cases Grid */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: var(--space-lg);
}

/* Case Card */
.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: var(--space-lg);
    position: relative;
    transition: var(--transition-smooth);
    cursor: pointer;
    overflow: hidden;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
}

.case-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.case-card:hover::before {
    transform: scaleX(1);
}

.case-number {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--bg-secondary);
    line-height: 1;
    transition: color var(--transition-fast);
}

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

.case-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.3;
    max-width: 85%;
    transition: color var(--transition-fast);
}

.case-card:hover .case-title {
    color: var(--accent-primary);
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.case-tag {
    display: inline-block;
    padding: 0.3rem 0.85rem;
    background: transparent;
    border: 1px solid var(--border-accent);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-fast);
}

.case-card:hover .case-tag {
    border-color: var(--accent-secondary);
    color: var(--accent-primary);
}

.case-content {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-weight: 300;
}

.case-content::first-letter {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--accent-primary);
}

/* Read More Link */
.read-more {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-xs);
    transition: color var(--transition-fast);
}

.case-card:hover .read-more {
    color: var(--accent-primary);
}

.read-more .arrow {
    transition: transform var(--transition-fast);
}

.case-card:hover .read-more .arrow {
    transform: translateX(4px);
}

/* Origin Link */
.case-origin {
    margin-top: var(--space-sm);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.case-origin-icon {
    opacity: 0.6;
}

.case-origin-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
    word-break: break-all;
}

.case-origin-link:hover {
    color: var(--accent-primary);
    text-decoration: underline;
}

/* Card Stagger Animation */
.case-card {
    opacity: 0;
    animation: fadeSlideUp 0.6s ease forwards;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
.footer {
    margin-top: var(--space-xl);
    padding: var(--space-xl) var(--space-lg);
    background: var(--bg-secondary);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-decoration {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-symbol {
    color: var(--accent-primary);
    font-size: 0.9rem;
    opacity: 0.6;
}

.footer-text {
    font-size: 1.15rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.footer-subtext {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 300;
}

/* Responsive */
@media (max-width: 768px) {
    html {
        font-size: 16px;
    }
    
    .logo {
        font-size: 2.8rem;
    }
    
    .bug-icon {
        width: 56px;
        height: 56px;
    }
    
    .tagline {
        font-size: 1rem;
        letter-spacing: 0.15em;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .section-title {
        padding-left: 0;
    }
    
    .section-title::before {
        display: none;
    }
    
    .main-content {
        padding: var(--space-lg) var(--space-sm);
    }
    
    .intro-section {
        padding: var(--space-md);
    }
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-accent);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}