:root {
    --bg-color: #050505;
    --card-bg: #0f0f11;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-blue: #2d6cd8;
    --accent-cyan: #00bcd4;
    --accent-red: #d32f2f;
    --border-color: #2a2a2a;
    --font-heading: 'Orbitron', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --spacing-unit: 1rem;
    --grid-gap: 24px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    color: #ffffff;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-cyan);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.logo svg {
    height: 32px;
    width: 32px;
}

nav ul {
    display: flex;
    gap: 30px;
    list-style: none;
}

nav a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    color: var(--text-secondary);
}

nav a:hover, nav a.active {
    color: #fff;
    border-bottom: 2px solid var(--accent-cyan);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(45, 108, 216, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 188, 212, 0.1) 0%, transparent 40%),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #fff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 30px;
}

/* Search Bar */
.search-bar {
    display: flex;
    gap: 10px;
    max-width: 500px;
}

.search-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.search-input:focus {
    border-color: var(--accent-cyan);
}

.btn {
    padding: 12px 24px;
    background: var(--text-primary);
    color: #000;
    border: none;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: background 0.2s, transform 0.1s;
}

.btn:hover {
    background: #fff;
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 40px 0;
    align-items: center;
}

.filter-group {
    display: flex;
    gap: 10px;
}

.filter-chip {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.02);
}

.filter-chip:hover, .filter-chip.active {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    background: rgba(0, 188, 212, 0.1);
}

/* Grid Layouts */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--grid-gap);
    margin-bottom: 60px;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border-color: var(--accent-blue);
}

.card-visual {
    height: 180px;
    width: 100%;
    background-color: #000;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.card-visual svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

.risk-badge {
    padding: 2px 6px;
    border-radius: 2px;
    font-weight: 700;
}

.risk-low { color: #4caf50; border: 1px solid #4caf50; }
.risk-medium { color: #ff9800; border: 1px solid #ff9800; }
.risk-high { color: var(--accent-red); border: 1px solid var(--accent-red); }

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    line-height: 1.3;
}

.card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-link {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    gap: 5px;
}

.card-link::after {
    content: "→";
}

/* Investigation Page */
.investigation-header {
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}

.investigation-meta {
    display: flex;
    gap: 20px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.investigation-title {
    font-size: 3rem;
    margin-bottom: 30px;
    max-width: 900px;
}

.investigation-visual-large {
    width: 100%;
    height: 400px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
    background: #000;
}

.investigation-layout {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.investigation-content {
    font-size: 1.1rem;
    color: #ccc;
}

.investigation-content h2 {
    color: #fff;
    margin-top: 40px;
    font-size: 1.8rem;
    border-left: 4px solid var(--accent-cyan);
    padding-left: 15px;
}

.investigation-content p {
    margin-bottom: 20px;
}

.sidebar {
    position: sticky;
    top: 100px;
}

.info-box {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-bottom: 30px;
}

.info-box h4 {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.source-list {
    list-style: none;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.source-list li {
    margin-bottom: 8px;
    padding-left: 15px;
    position: relative;
    word-break: break-all;
}

.source-list li::before {
    content: "›";
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

/* Reports Table */
.reports-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.reports-table th, .reports-table td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.reports-table th {
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.8rem;
}

.reports-table tr:hover {
    background: rgba(255,255,255,0.02);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 60px 0;
    margin-top: 100px;
    background: #080808;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

/* Utils */
.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 60px 0 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.tag {
    display: inline-block;
    padding: 3px 8px;
    background: #1a1a1a;
    border: 1px solid #333;
    font-size: 0.75rem;
    margin-right: 5px;
    color: #aaa;
}

.risk-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}

/* Methodology Page Content */
.method-step {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--border-color);
    font-weight: 900;
    line-height: 1;
}

/* Form inputs on reports page */
input[type="text"], select {
    background: #111;
    border: 1px solid #333;
    color: #fff;
    padding: 10px;
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 20px;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .investigation-layout {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}