/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --accent-bg: #2a2a2a;
    --primary-text: #ffffff;
    --secondary-text: #b0b0b0;
    --accent-color: #00d4ff;
    --accent-secondary: #00ff88;
    --danger-color: #ff4757;
    --warning-color: #ffa502;
    --border-color: #333333;
    --gradient-primary: linear-gradient(135deg, #00d4ff, #00ff88);
    --gradient-dark: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
}

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

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

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--secondary-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-text);
    margin: 3px 0;
    transition: var(--transition);
}

/* Main Content */
.main {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0;
    min-height: 60vh;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--secondary-text);
    margin-bottom: 2rem;
}

.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.neural-network {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    position: relative;
    animation: pulse 3s ease-in-out infinite;
}

.neural-network::before,
.neural-network::after {
    content: '';
    position: absolute;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    opacity: 0.3;
}

.neural-network::before {
    width: 200px;
    height: 200px;
    top: 50px;
    left: 50px;
    animation: rotate 20s linear infinite;
}

.neural-network::after {
    width: 100px;
    height: 100px;
    top: 100px;
    left: 100px;
    animation: rotate 15s linear infinite reverse;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Articles Section */
.articles-section {
    padding: 4rem 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
}

.category-filter {
    display: flex;
    gap: 1rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--secondary-text);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--primary-text);
    border-color: transparent;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.article-card {
    background: var(--secondary-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
}

.article-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.article-content {
    padding: 1.5rem;
}

.article-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-color);
    color: var(--primary-bg);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.article-excerpt {
    color: var(--secondary-text);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--secondary-text);
}

/* Content Wrapper */
.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    align-items: start;
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 100px;
    width: 100%;
    z-index: 10;
}

.widget {
    background: var(--secondary-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.widget-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.threat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.threat-item:last-child {
    border-bottom: none;
}

.threat-type {
    font-weight: 600;
    color: var(--danger-color);
    font-size: 0.8rem;
}

.threat-desc {
    color: var(--secondary-text);
    font-size: 0.8rem;
}

/* Loading */
.loading {
    display: flex;
    justify-content: center;
    padding: 2rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    padding: 1rem;
    z-index: 1001;
    transform: translateY(100%);
    transition: var(--transition);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-content p {
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.cookie-content a {
    color: var(--accent-color);
    text-decoration: none;
}

.btn-accept {
    padding: 0.5rem 1.5rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius);
    color: var(--primary-text);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-accept:hover {
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--secondary-text);
    text-decoration: none;
    transition: var(--transition);
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
    }
    
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--primary-bg);
        flex-direction: column;
        padding: 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .category-filter {
        flex-wrap: wrap;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
}