/* Cybersecurity Portfolio - Vanilla CSS */

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

:root {
    /* Cyberpunk Color Palette */
    --background: hsl(220, 13%, 3%);
    --foreground: hsl(180, 100%, 85%);
    --card: hsl(220, 13%, 5%);
    --card-foreground: hsl(180, 100%, 85%);
    --primary: hsl(180, 100%, 50%);
    --primary-foreground: hsl(220, 13%, 3%);
    --secondary: hsl(270, 100%, 60%);
    --secondary-foreground: hsl(180, 100%, 85%);
    --accent: hsl(120, 100%, 50%);
    --accent-foreground: hsl(220, 13%, 3%);
    --muted: hsl(220, 13%, 10%);
    --muted-foreground: hsl(180, 30%, 60%);
    --border: hsl(180, 100%, 15%);
    --destructive: hsl(0, 84%, 60%);
    
    /* Effects */
    --neon-glow: 0 0 20px var(--primary), 0 0 40px var(--primary), 0 0 60px var(--primary);
    --secondary-glow: 0 0 20px var(--secondary), 0 0 40px var(--secondary);
    --accent-glow: 0 0 20px var(--accent), 0 0 40px var(--accent);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--background);
    color: var(--foreground);
    font-family: 'JetBrains Mono', monospace;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes glow {
    0%, 100% { text-shadow: var(--neon-glow); }
    50% { text-shadow: none; }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(5, 8, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-brand {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary);
}

.terminal-prompt {
    color: var(--accent);
    margin-right: 0.5rem;
}

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

.nav-link {
    color: var(--foreground);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary);
}

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

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

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, var(--background), var(--card));
    opacity: 0.8;
}

.particles-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 3s infinite ease-in-out;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.terminal-window {
    background: rgba(5, 8, 15, 0.9);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--neon-glow);
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.terminal-buttons {
    display: flex;
    gap: 0.5rem;
    margin-right: 1rem;
}

.btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn.red {
    background: var(--destructive);
}

.btn.yellow {
    background: #fbbf24;
}

.btn.green {
    background: var(--accent);
}

.terminal-title {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.terminal-body {
    padding: 2rem;
    text-align: left;
}

.terminal-line {
    margin: 1rem 0;
    color: var(--accent);
}

.prompt {
    color: var(--muted-foreground);
    margin-right: 0.5rem;
}

.hero-name {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
    margin: 1rem 0;
    animation: glow 2s infinite ease-in-out;
}

.typing-text {
    font-size: clamp(1rem, 3vw, 1.5rem);
    min-height: 2rem;
    margin: 1rem 0;
}

.cursor {
    animation: blink 1s infinite;
    color: var(--primary);
}

.hero-description {
    color: var(--muted-foreground);
    font-size: 1.125rem;
    margin: 2rem 0;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: var(--primary-foreground);
    box-shadow: var(--neon-glow);
}

.btn-primary:hover {
    box-shadow: var(--secondary-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--secondary);
    border: 1px solid var(--secondary);
    box-shadow: var(--secondary-glow);
}

.btn-secondary:hover {
    background: var(--secondary);
    color: var(--secondary-foreground);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: float 2s infinite ease-in-out;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--primary);
    border-radius: 12px;
    display: flex;
    justify-content: center;
}

.scroll-wheel {
    width: 4px;
    height: 12px;
    background: var(--primary);
    border-radius: 2px;
    margin-top: 8px;
    animation: float 2s infinite ease-in-out;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 3rem;
    text-align: center;
    color: var(--accent);
}

/* About Section */
.about-section {
    background: linear-gradient(to bottom, var(--background), var(--card));
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    line-height: 1.8;
}

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 0.5rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: var(--neon-glow);
}

.timeline-content h3 {
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.timeline-subtitle {
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.timeline-date {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

/* Projects Section */
.projects-section {
    background: var(--background);
}

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

.project-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--neon-glow);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-header h3 {
    color: var(--foreground);
    font-size: 1.25rem;
}

.project-links {
    display: flex;
    gap: 0.5rem;
}

.project-link {
    color: var(--primary);
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 0.25rem;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--primary);
    color: var(--primary-foreground);
}

.project-description {
    color: var(--muted-foreground);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--muted);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    border: 1px solid var(--border);
}

/* Education Section */
.education-section {
    background: linear-gradient(to bottom, var(--background), var(--card));
    padding: 5rem 0;
}

.education-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.university-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.university-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.university-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.university-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.university-info {
    flex: 1;
}

.university-info h3 {
    color: var(--foreground);
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.location {
    color: var(--muted-foreground);
    font-size: 0.9rem;
}

.date-badge {
    background: var(--primary);
    color: var(--primary-foreground);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.degree-info {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.degree-info h4 {
    color: var(--foreground);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.minor {
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.duration {
    color: var(--muted-foreground);
    font-size: 0.9rem;
}

.coursework h5 {
    color: var(--foreground);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.course-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--muted);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    transition: var(--transition);
}

.course-item:hover {
    background: var(--primary);
    color: var(--primary-foreground);
    box-shadow: 0 0 15px var(--primary);
}

.course-item i {
    color: var(--primary);
    font-size: 1.1rem;
}

.course-item:hover i {
    color: var(--primary-foreground);
}

.education-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.academic-achievements,
.certifications-preview {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.academic-achievements h4,
.certifications-preview h4 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.1rem;
}

.achievement-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.achievement-item:last-child {
    margin-bottom: 0;
}

.achievement-item i {
    color: var(--primary);
    font-size: 1.2rem;
    margin-top: 0.25rem;
}

.achievement-item strong {
    color: var(--foreground);
    display: block;
    margin-bottom: 0.25rem;
}

.achievement-item p {
    color: var(--muted-foreground);
    font-size: 0.9rem;
    line-height: 1.4;
}

.cert-preview-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    border-radius: 0.5rem;
    transition: var(--transition);
}

.cert-preview-item:last-child {
    margin-bottom: 0;
}

.cert-preview-item.completed {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.cert-preview-item.completed i {
    color: #22c55e;
}

.cert-preview-item.in-progress {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.cert-preview-item.in-progress i {
    color: #fbbf24;
}

.cert-preview-item span {
    color: var(--foreground);
    font-size: 0.9rem;
}

/* Responsive Design for Education Section */
@media (max-width: 768px) {
    .education-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .university-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .achievement-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}

/* Skills Section */
.skills-section {
    background: linear-gradient(to bottom, var(--card), var(--background));
}

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

.skill-category {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1.5rem;
}

.skill-category h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.skill-item {
    margin-bottom: 1rem;
}

.skill-name {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.skill-bar {
    height: 8px;
    background: var(--muted);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    width: 0%;
    transition: width 1s ease-in-out;
    box-shadow: 0 0 10px var(--primary);
}

/* Certifications Section */
.certifications-section {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
}

.certifications-section h3 {
    color: var(--primary);
    text-align: center;
    margin-bottom: 1.5rem;
}

.certifications-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.cert-item {
    background: var(--muted);
    color: var(--foreground);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    border: 1px solid var(--border);
    font-weight: 500;
    transition: var(--transition);
}

.cert-item:hover {
    background: var(--primary);
    color: var(--primary-foreground);
    box-shadow: 0 0 15px var(--primary);
}

/* Contact Section */
.contact-section {
    background: var(--background);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-form-container {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--muted);
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    color: var(--foreground);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0, 255, 255, 0.2);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--foreground);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--primary);
    box-shadow: var(--neon-glow);
    transform: translateX(5px);
}

.social-link i {
    font-size: 1.5rem;
    color: var(--primary);
}

/* Footer */
.footer {
    background: var(--card);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--muted-foreground);
}

.footer-terminal {
    color: var(--accent);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(5, 8, 15, 0.95);
        flex-direction: column;
        justify-content: start;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Utility Classes */
.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

.visible {
    opacity: 1;
    transform: translateY(0);
}

.hidden {
    opacity: 0;
    transform: translateY(30px);
}

/* Resume Section */
.resume-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--background) 0%, var(--card) 100%);
    position: relative;
}

.resume-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.resume-header {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: center;
    padding: 2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.resume-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    animation: shimmer 2s infinite;
}

.resume-intro h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    text-shadow: var(--neon-glow);
}

.resume-intro p {
    color: var(--muted-foreground);
    line-height: 1.6;
}

.resume-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.resume-download, .resume-view {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-family: inherit;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.resume-download {
    background: var(--primary);
    color: var(--primary-foreground);
    box-shadow: var(--neon-glow);
}

.resume-download:hover {
    background: var(--accent);
    box-shadow: var(--accent-glow);
    transform: translateY(-2px);
}

.resume-view {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.resume-view:hover {
    background: var(--primary);
    color: var(--primary-foreground);
    box-shadow: var(--neon-glow);
}

.resume-preview {
    display: grid;
    gap: 2rem;
}

.resume-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2rem;
    position: relative;
    transition: var(--transition);
}

.resume-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.1);
    transform: translateY(-5px);
}

.resume-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.document-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--destructive), var(--secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.document-info h4 {
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.document-meta {
    color: var(--muted-foreground);
    font-size: 0.9rem;
}

.resume-highlights h5 {
    color: var(--secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--muted);
    border-radius: 5px;
    transition: var(--transition);
}

.highlight-item:hover {
    background: var(--card);
    border: 1px solid var(--border);
}

.highlight-item i {
    color: var(--primary);
    width: 20px;
    text-align: center;
}

.highlight-item span {
    color: var(--foreground);
    font-size: 0.9rem;
}

.resume-note {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--muted), var(--card));
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

.resume-note i {
    color: var(--accent);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.resume-note p {
    color: var(--muted-foreground);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Responsive Design for Resume Section */
@media (max-width: 768px) {
    .resume-header {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .resume-actions {
        justify-content: center;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .resume-note {
        flex-direction: column;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}