/* -------------------------------------
   CSS Variables & Theme
------------------------------------- */
:root {
    /* Colors */
    --bg-dark: #07090f; /* Deep dark blue/black */
    --bg-panel: #111522; /* Slightly lighter panel background */
    --bg-panel-light: #1a2035;
    
    /* Accents - Neon Green/Cyan */
    --accent-primary: #00ff88;
    --accent-secondary: #00b8ff;
    --accent-glow: rgba(0, 255, 136, 0.4);
    
    /* Typography Colors */
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    
    /* Fonts */
    --font-heading: 'Fira Code', monospace;
    --font-body: 'Inter', sans-serif;
    
    /* Borders & UI Elements */
    --border-color: #2a3441;
    --border-focus: #00ff88;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Particles Background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.4;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 600;
}

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

a:hover {
    color: var(--accent-secondary);
    text-shadow: 0 0 8px var(--accent-glow);
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 100px 0;
}

.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.highlight {
    color: var(--accent-primary);
    text-shadow: 0 0 5px rgba(0, 255, 136, 0.3);
}

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

/* Hacker Border Box Component */
.border-box {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    position: relative;
    padding: 2.5rem;
    border-radius: 4px;
    transition: var(--transition);
}

.border-box::before, .border-box::after {
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    transition: var(--transition);
}

.border-box::before {
    top: -1px;
    left: -1px;
    border-top: 2px solid var(--accent-primary);
    border-left: 2px solid var(--accent-primary);
}

.border-box::after {
    bottom: -1px;
    right: -1px;
    border-bottom: 2px solid var(--accent-primary);
    border-right: 2px solid var(--accent-primary);
}

.border-box:hover {
    border-color: rgba(0, 255, 136, 0.2);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.05);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 3px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.1) inset;
}

.btn-primary:hover {
    background: rgba(0, 255, 136, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.3) inset, 0 0 15px rgba(0, 255, 136, 0.2);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: rgba(0, 184, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 184, 255, 0.3) inset;
    transform: translateY(-2px);
    color: var(--text-main);
}

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

.btn-outline:hover {
    border-color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

/* Section Titles */
.section-title {
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--text-main);
}

.section-title .underline {
    width: 60px;
    height: 3px;
    background: var(--accent-primary);
    margin-top: 10px;
    box-shadow: 0 0 10px var(--accent-glow);
}

/* -------------------------------------
   Navigation
------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(7, 9, 15, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    border-bottom: 1px solid var(--accent-primary);
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.1);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}

.logo .cursor {
    animation: blink 1s step-end infinite;
}

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

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

.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--text-main);
    text-transform: lowercase;
    position: relative;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition);
}

.nav-links a:hover::before {
    width: 100%;
    box-shadow: 0 0 8px var(--accent-glow);
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--accent-primary);
}

/* -------------------------------------
   Hero Section
------------------------------------- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.glitch {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
    color: var(--text-main);
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--accent-secondary);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--accent-primary);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
  0% { clip: rect(42px, 9999px, 44px, 0); }
  5% { clip: rect(12px, 9999px, 59px, 0); }
  10% { clip: rect(48px, 9999px, 29px, 0); }
  ... /* omitted for brevity, we can add simple glitch effect or remove complex CSS for now. Let's make it simpler. */
}

.role {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* -------------------------------------
   About Section
------------------------------------- */
.about-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    color: var(--text-muted);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-panel-light);
    padding: 1.5rem;
    border-radius: 4px;
    text-align: center;
    border-left: 3px solid var(--accent-secondary);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateX(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.stat-card i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.stat-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.skills-category {
    background: var(--bg-panel);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--border-color);
}

.category-header i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.skills-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.skills-list li i {
    color: var(--accent-secondary);
    font-size: 1rem;
}

.tools-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tool-tag {
    background: rgba(0, 255, 136, 0.05);
    color: var(--accent-primary);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    transition: var(--transition);
}

.tool-tag:hover {
    background: rgba(0, 255, 136, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* -------------------------------------
   Timeline Section
------------------------------------- */
.timeline-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.column-title {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.3rem;
}

.column-title i {
    color: var(--accent-primary);
}

.timeline-item {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 2.5rem;
    border-left: 1px solid var(--border-color);
}

.timeline-dot {
    position: absolute;
    left: -6px;
    top: 0;
    width: 11px;
    height: 11px;
    background: var(--bg-dark);
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-content h4 {
    color: var(--text-main);
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.timeline-content .company {
    display: block;
    color: var(--accent-secondary);
    font-weight: 500;
    margin-bottom: 0.2rem;
}

.timeline-content .date {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style-type: "▹ ";
    padding-left: 1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.timeline-content ul li {
    margin-bottom: 0.5rem;
}

/* Certifications */
.certifications-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.cert-card {
    background: var(--bg-panel-light);
    padding: 1.5rem;
    border-radius: 4px;
    text-align: center;
    border: 1px solid transparent;
    transition: var(--transition);
}

.cert-card:hover {
    border-color: rgba(0, 184, 255, 0.3);
    transform: translateY(-3px);
}

.cert-card i {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.cert-card h4 {
    margin-bottom: 0.5rem;
}

.status {
    font-size: 0.8rem;
    font-family: var(--font-heading);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
}

.status.completed {
    background: rgba(0, 255, 136, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.status.in-progress {
    background: rgba(255, 165, 0, 0.1);
    color: orange;
    border: 1px solid rgba(255, 165, 0, 0.2);
}

/* -------------------------------------
   Projects Section
------------------------------------- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    height: 100%;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.folder-icon {
    font-size: 2.5rem;
    color: var(--accent-primary);
}

.links a {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-left: 1rem;
}

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

.card-body {
    flex-grow: 1;
}

.card-body h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.card-body p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.card-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.tech-tag {
    color: var(--text-main);
    background: var(--bg-panel-light);
    padding: 0.3rem 0.6rem;
    border-radius: 3px;
    border-bottom: 1px solid var(--accent-secondary);
}

/* -------------------------------------
   Writeups Section
------------------------------------- */
.writeup-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.writeup-item {
    background: var(--bg-panel);
    padding: 2rem;
    border-radius: 4px;
    border-left: 3px solid transparent;
    transition: var(--transition);
}

.writeup-item:hover {
    border-left-color: var(--accent-primary);
    background: var(--bg-panel-light);
}

.writeup-meta {
    display: flex;
    gap: 1rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}

.writeup-item h3 {
    margin-bottom: 0.8rem;
}

.writeup-item h3 a {
    color: var(--text-main);
}

.writeup-item h3 a:hover {
    color: var(--accent-secondary);
}

.writeup-item p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* -------------------------------------
   Contact Section
------------------------------------- */
.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-item i {
    font-size: 2rem;
    background: rgba(0, 255, 136, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.contact-item h4 {
    font-family: var(--font-heading);
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}

.contact-item p, .contact-item a {
    color: var(--text-main);
    font-size: 1.1rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    background: var(--bg-panel-light);
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--text-main);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-primary);
    color: var(--bg-dark);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px var(--accent-glow);
}

/* -------------------------------------
   Footer
------------------------------------- */
footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    background: #040609;
}

footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.crypto-text {
    font-family: var(--font-heading);
    margin-top: 0.5rem;
    font-size: 0.8rem;
    opacity: 0.7;
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Media Queries */
@media (max-width: 992px) {
    .about-grid, .timeline-grid {
        grid-template-columns: 1fr;
    }
    
    .glitch {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-panel);
        width: 100%;
        text-align: center;
        padding: 2rem 0;
        transition: 0.3s;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: block;
    }

    .hero {
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }
    
    .contact-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .contact-item {
        flex-direction: column;
        gap: 0.8rem;
    }
}