/* Professional Security Reference Site Styles */

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

:root {
    --bg-primary: #1A1D21;
    --bg-secondary: #2A2D31;
    --text-primary: #EAEAEA;
    --text-secondary: #8A8F98;
    --accent-primary: #D95B40;
    --accent-secondary: #B84A35;
    --border-color: #3A3D41;
    --code-bg: #0A0D11;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --danger-color: #F44336;
}

body {
    font-family: 'Quattrocento Sans', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

#vanta-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
}

/* Header and Navigation */
.header {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.nav-brand h1 {
    color: var(--accent-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: block;
    margin-top: 0.25rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Main Content */
.main {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 60vh;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(15, 1fr);
    gap: 1.5rem;
}

.stat {
    text-align: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 100px;
    border: 1px solid var(--border-color);
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Sections */
.section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-primary);
}

/* Overview Grid */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.overview-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.overview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(217, 91, 64, 0.1);
}

.overview-card h3 {
    color: var(--accent-primary);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.overview-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Vulnerability Cards */
.vulnerability-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 2rem;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vulnerability-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(217, 91, 64, 0.15);
}

.vuln-header {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.vuln-header h3 {
    color: var(--text-primary);
    font-size: 1.4rem;
    font-weight: 700;
}

.vuln-severity {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.vuln-severity.high {
    background: rgba(244, 67, 54, 0.2);
    color: #F44336;
    border: 1px solid #F44336;
}

.vuln-severity.medium {
    background: rgba(255, 152, 0, 0.2);
    color: #FF9800;
    border: 1px solid #FF9800;
}

.vuln-severity.low {
    background: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
    border: 1px solid #4CAF50;
}

.vuln-content {
    padding: 2rem;
}

.vuln-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.vuln-content h4 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Code Blocks */
.code-block {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 1rem 0;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    padding: 1.5rem;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--text-primary);
}

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

/* Mitigation Sections */
.mitigation {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid #4CAF50;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.mitigation h4 {
    color: #4CAF50;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.mitigation ul {
    list-style: none;
    padding: 0;
}

.mitigation li {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.mitigation li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

/* Methodologies Section */
.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.methodology-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s ease;
}

.methodology-card:hover {
    transform: translateY(-3px);
}

.methodology-card h3 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.methodology-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.methodology-card ul {
    list-style: none;
    padding: 0;
}

.methodology-card li {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.methodology-card li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* Resources Section */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.resource-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-3px);
}

.resource-card h3 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.resource-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.resource-link {
    display: inline-block;
    background: var(--accent-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s ease;
}

.resource-link:hover {
    background: var(--accent-secondary);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.footer-links a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 2rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .overview-grid,
    .methodology-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .vuln-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .code-block pre {
        font-size: 0.8rem;
        padding: 1rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.vulnerability-card {
    animation: fadeInUp 0.6s ease forwards;
}

.vulnerability-card:nth-child(even) {
    animation-delay: 0.1s;
}

.vulnerability-card:nth-child(odd) {
    animation-delay: 0.2s;
}

/* Scroll to top button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
}

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

.align-content: {;
    text-align: right;
}