:root {
    --primary: #1a1a2e;
    --secondary: #16213e;
    --accent: #0f9d58;
    --text: #e8e8e8;
    --text-secondary: #a8a8a8;
    --card-bg: #0f3460;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #0f9d58 0%, #16213e 100%);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--primary);
    color: var(--text);
    line-height: 1.6;
}

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

/* Header */
header {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 700;
    display: inline-block;
}

.logo .accent {
    color: var(--accent);
}

.tagline {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: -5px;
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
}

.trust-badges {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge-icon {
    font-size: 1.5rem;
}

/* About Section */
.about {
    padding: 5rem 0;
    background: var(--secondary);
}

.about h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.about-card h3 {
    color: var(--accent);
    margin-bottom: 1rem;
}

/* Categories Section */
.categories {
    padding: 5rem 0;
}

.categories h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.category-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(15, 157, 88, 0.3);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-card h3 {
    margin-bottom: 0.5rem;
}

.category-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.category-status {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--accent);
    color: white;
}

.category-status:contains("Coming Soon") {
    background: #666;
}

/* Methodology Section */
.methodology {
    padding: 5rem 0;
    background: var(--secondary);
}

.methodology h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.methodology-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.method-step {
    text-align: center;
}

.step-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    background: var(--gradient-1);
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.method-step h3 {
    margin-bottom: 1rem;
    color: var(--accent);
}

.transparency-note {
    background: rgba(15, 157, 88, 0.1);
    border: 2px solid var(--accent);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

/* Latest Section */
.latest {
    padding: 5rem 0;
}

.latest h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.latest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.latest-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--accent);
}

.latest-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.latest-card h3 {
    margin: 1rem 0;
}

.confidence {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(15, 157, 88, 0.2);
    border-radius: 5px;
    display: inline-block;
    font-weight: 600;
}

/* Trust Section */
.trust {
    padding: 5rem 0;
    background: var(--secondary);
}

.trust h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.trust-item {
    text-align: center;
}

.trust-item h3 {
    color: var(--accent);
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background: var(--primary);
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--accent);
    margin-bottom: 1rem;
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent);
}

.disclaimer {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

/* Breadcrumbs */
.breadcrumbs {
    padding: 1rem 0;
    background: var(--secondary);
    font-size: 0.9rem;
}

.breadcrumbs .container {
    color: var(--text-secondary);
}

.breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Focus states for accessibility */
a:focus, button:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    nav {
        display: none;
    }
    
    .trust-badges {
        justify-content: center;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .latest-grid {
        grid-template-columns: 1fr;
    }
}