/* ===================================
   GLOBAL STYLES & VARIABLES
   =================================== */

:root {
    --primary-color: #00ff88;
    --secondary-color: #ff0055;
    --accent-color: #00ffff;
    --warning-color: #ffff00;
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --bg-light: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;

    --font-mono: 'Share Tech Mono', 'Courier New', monospace;
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'JetBrains Mono', monospace;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.5);
    --shadow-glow-strong: 0 0 30px rgba(0, 255, 136, 0.8);
    --shadow-text: 0 0 10px rgba(0, 255, 136, 0.7);
}

.custom-cursor { display: none !important; visibility: hidden !important; opacity: 0 !important; pointer-events: none !important; }
body { cursor: default; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-md); }
section { padding: var(--spacing-xl) 0; position: relative; }

/* ===================================
   MATRIX RAIN
   =================================== */
#matrix-rain {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1; opacity: 0.3;
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--primary-color);
    z-index: 1000; padding: 1rem 0;
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.nav-brand { font-family: var(--font-mono); font-size: 1.2rem; color: var(--primary-color); text-shadow: var(--shadow-text); }
.nav-menu { display: flex; list-style: none; gap: 2rem; }
.nav-link { color: var(--text-secondary); text-decoration: none; font-family: var(--font-mono); font-size: 0.9rem; position: relative; transition: var(--transition-fast); }
.nav-link::before { content: '>'; position: absolute; left: -15px; opacity: 0; transition: var(--transition-fast); }
.nav-link:hover, .nav-link.active { color: var(--primary-color); text-shadow: var(--shadow-text); }
.nav-link:hover::before { opacity: 1; left: -20px; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 25px; height: 2px; background: var(--primary-color); transition: var(--transition-fast); }

/* ===================================
   HERO
   =================================== */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; padding-top: 80px; }
.hero-content { text-align: center; z-index: 1; }
.glitch-wrapper { margin-bottom: var(--spacing-md); }
.glitch { font-family: var(--font-display); font-size: clamp(3rem, 8vw, 6rem); font-weight: 900; color: var(--primary-color); text-shadow: var(--shadow-glow); position: relative; animation: glitch 3s infinite; }

@keyframes glitch {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-2px, 2px); }
    94% { transform: translate(2px, -2px); }
    96% { transform: translate(-2px, -2px); }
    98% { transform: translate(2px, 2px); }
}

.glitch::before, .glitch::after { content: attr(data-text); position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.glitch::before { color: var(--secondary-color); animation: glitch-before 1.5s infinite; clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%); }
.glitch::after { color: var(--accent-color); animation: glitch-after 1.5s infinite; clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%); }

@keyframes glitch-before { 0%, 100% { transform: translate(0); } 33% { transform: translate(-5px, 5px); } 66% { transform: translate(5px, -5px); } }
@keyframes glitch-after { 0%, 100% { transform: translate(0); } 33% { transform: translate(5px, -5px); } 66% { transform: translate(-5px, 5px); } }

.terminal-text { margin: var(--spacing-md) 0; }
.typing-animation { font-family: var(--font-mono); font-size: 1.2rem; color: var(--text-secondary); }
.prompt-symbol { color: var(--primary-color); margin-right: 0.5rem; }
.cursor { animation: blink 1s infinite; }
@keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
.hero-subtitle { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: var(--spacing-lg); }
.hero-stats { display: flex; justify-content: center; gap: var(--spacing-lg); margin: var(--spacing-lg) 0; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-number { font-family: var(--font-display); font-size: 3rem; font-weight: 700; color: var(--primary-color); text-shadow: var(--shadow-glow); }
.stat-label { font-size: 0.9rem; color: var(--text-secondary); margin-top: 0.5rem; }
.hero-cta { display: flex; gap: 1rem; justify-content: center; margin: var(--spacing-lg) 0; }

/* Buttons */
.btn { padding: 1rem 2rem; font-family: var(--font-mono); font-size: 1rem; text-decoration: none; border: 2px solid var(--primary-color); background: transparent; color: var(--primary-color); cursor: pointer; position: relative; overflow: hidden; transition: var(--transition-normal); display: inline-flex; align-items: center; gap: 0.5rem; }
.btn::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: var(--primary-color); transition: var(--transition-normal); z-index: -1; }
.btn:hover::before { left: 0; }
.btn:hover { color: var(--bg-dark); box-shadow: var(--shadow-glow); }
.btn-primary { border-color: var(--primary-color); color: var(--primary-color); }
.btn-primary::before { background: var(--primary-color); }
.btn-secondary { border-color: var(--secondary-color); color: var(--secondary-color); }
.btn-secondary::before { background: var(--secondary-color); }

/* Social */
.social-links { display: flex; gap: 1.5rem; justify-content: center; margin-top: var(--spacing-lg); }
.social-icon { width: 50px; height: 50px; border: 2px solid var(--primary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary-color); font-size: 1.5rem; text-decoration: none; transition: var(--transition-fast); }
.social-icon:hover { background: var(--primary-color); color: var(--bg-dark); box-shadow: var(--shadow-glow); transform: translateY(-5px); }

.scroll-indicator { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); text-align: center; color: var(--text-secondary); font-family: var(--font-mono); font-size: 0.9rem; animation: bounce 2s infinite; }
.scroll-indicator i { display: block; margin-top: 0.5rem; color: var(--primary-color); }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); } 40% { transform: translateX(-50%) translateY(-10px); } 60% { transform: translateX(-50%) translateY(-5px); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ===================================
   SECTION HEADERS
   =================================== */
.section-header { text-align: center; margin-bottom: var(--spacing-xl); }
.section-tag { font-family: var(--font-mono); color: var(--primary-color); font-size: 1rem; display: block; margin-bottom: 1rem; }
.section-title { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.5rem); color: var(--text-primary); margin-bottom: 1rem; text-shadow: 0 0 20px rgba(0, 255, 136, 0.3); }
.section-line { width: 100px; height: 2px; background: linear-gradient(90deg, transparent, var(--primary-color), transparent); margin: 0 auto; }

/* ===================================
   ABOUT
   =================================== */
.about { background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%); }
.about-content { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--spacing-lg); align-items: center; }

.terminal-window { background: var(--bg-light); border: 1px solid var(--primary-color); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow-glow); }
.terminal-header { background: var(--bg-darker); padding: 0.8rem 1rem; display: flex; align-items: center; gap: 0.5rem; border-bottom: 1px solid var(--primary-color); }
.terminal-button { width: 12px; height: 12px; border-radius: 50%; }
.terminal-button.red { background: #ff5f56; }
.terminal-button.yellow { background: #ffbd2e; }
.terminal-button.green { background: #27c93f; }
.terminal-title { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-secondary); margin-left: auto; }
.terminal-body { padding: 1.5rem; font-family: var(--font-mono); font-size: 0.95rem; line-height: 1.8; }
.terminal-line { color: var(--text-secondary); margin-bottom: 1rem; }
.prompt { color: var(--primary-color); }
.terminal-output { color: var(--text-primary); }
.highlight { color: var(--primary-color); font-weight: 600; }
.cursor-blink { animation: blink 1s infinite; }

.hexagon-container { position: relative; display: flex; justify-content: center; align-items: center; }
.hexagon { width: 300px; height: 300px; clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%); position: relative; overflow: hidden; }
.hexagon img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%) contrast(120%); transition: var(--transition-normal); }
.hexagon:hover img { filter: grayscale(0%) contrast(100%); }
.hexagon-border { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 320px; height: 320px; clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%); border: 2px solid var(--primary-color); box-shadow: var(--shadow-glow); animation: rotate 10s linear infinite; }
@keyframes rotate { from { transform: translate(-50%, -50%) rotate(0deg); } to { transform: translate(-50%, -50%) rotate(360deg); } }

.certifications { margin-top: var(--spacing-xl); }
.certifications h3 { font-family: var(--font-display); font-size: 1.8rem; color: var(--primary-color); margin-bottom: var(--spacing-md); text-align: center; }
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.cert-item { background: var(--bg-light); border: 1px solid var(--primary-color); border-radius: 8px; padding: 1.5rem; display: flex; align-items: center; gap: 1rem; transition: var(--transition-normal); }
.cert-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-glow); }
.cert-item i { font-size: 2rem; color: var(--primary-color); }
.cert-item span { font-family: var(--font-mono); font-size: 0.95rem; }

/* ===================================
   SKILLS
   =================================== */
.skills { background: var(--bg-darker); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-md); }
.skill-category { background: var(--bg-light); border: 1px solid var(--primary-color); border-radius: 8px; padding: 2rem; transition: var(--transition-normal); }
.skill-category:hover { transform: translateY(-10px); box-shadow: var(--shadow-glow-strong); }
.category-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; }
.category-header i { font-size: 2rem; color: var(--primary-color); }
.category-header h3 { font-family: var(--font-display); font-size: 1.3rem; color: var(--text-primary); }
.skill-list { list-style: none; }
.skill-list li { margin-bottom: 1.5rem; }
.skill-name { display: block; font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0.5rem; }
.skill-bar { width: 100%; height: 8px; background: var(--bg-darker); border-radius: 4px; overflow: hidden; }
.skill-progress { height: 100%; background: linear-gradient(90deg, var(--primary-color), var(--accent-color)); width: 0; transition: width 1.5s ease; }
.tools-cloud { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.tool-tag { padding: 0.5rem 1rem; background: var(--bg-darker); border: 1px solid var(--primary-color); border-radius: 20px; font-family: var(--font-mono); font-size: 0.85rem; color: var(--primary-color); transition: var(--transition-fast); cursor: pointer; }
.tool-tag:hover { background: var(--primary-color); color: var(--bg-dark); transform: scale(1.1); }
.domain-tags { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; }
.domain-tag { background: var(--bg-darker); border: 1px solid var(--primary-color); border-radius: 8px; padding: 1rem; text-align: center; transition: var(--transition-fast); }
.domain-tag:hover { background: rgba(0, 255, 136, 0.1); transform: translateY(-5px); }
.domain-tag i { display: block; font-size: 2rem; color: var(--primary-color); margin-bottom: 0.5rem; }
.domain-tag span { font-family: var(--font-mono); font-size: 0.85rem; }

/* ===================================
   BLOG
   =================================== */
.blog { background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%); }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: var(--spacing-md); margin-bottom: var(--spacing-lg); }
.blog-card { background: var(--bg-light); border: 1px solid var(--primary-color); border-radius: 8px; overflow: hidden; transition: var(--transition-normal); cursor: pointer; }
.blog-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-glow-strong); }
.blog-image { width: 100%; height: 200px; object-fit: cover; filter: grayscale(100%); transition: var(--transition-normal); }
.blog-card:hover .blog-image { filter: grayscale(0%); }
.blog-content { padding: 1.5rem; }
.blog-date { font-family: var(--font-mono); font-size: 0.8rem; color: var(--primary-color); margin-bottom: 0.5rem; }
.blog-title { font-family: var(--font-display); font-size: 1.3rem; color: var(--text-primary); margin-bottom: 1rem; }
.blog-description { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 1rem; }
.blog-link { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--primary-color); font-family: var(--font-mono); font-size: 0.9rem; text-decoration: none; transition: var(--transition-fast); }
.blog-link:hover { gap: 1rem; }
.blog-cta { text-align: center; margin-top: var(--spacing-lg); }

/* ===================================
   AI CHAT SECTION
   =================================== */
.ai-chat-section { background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%); }
.chat-showcase { max-width: 900px; margin: 0 auto; }

.chat-preview {
    background: var(--bg-light);
    border: 1px solid var(--primary-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-glow-strong);
}

.chat-preview-header {
    background: var(--bg-darker);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--primary-color);
}

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

.chat-preview-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2.5rem 2rem;
    background: var(--bg-darker);
    gap: 2rem;
}

.chat-screenshot {
    width: 100%;
    max-width: 700px;
    height: auto;
    display: block;
    border-radius: 8px;
    border: 1px solid rgba(0,255,136,0.25);
}

.chat-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    max-width: 600px;
}

.chat-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    width: 100%;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0.5rem;
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0,255,136,0.3);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.feature-item:hover { background: rgba(0, 255, 136, 0.18); transform: translateY(-3px); }
.feature-item i { font-size: 1.4rem; color: var(--primary-color); }
.feature-item span { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-primary); text-align: center; }

.overlay-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.overlay-btn:hover { background: var(--primary-color); color: var(--bg-dark); box-shadow: 0 0 18px rgba(0,255,136,0.5); }

/* ===================================
   PORTFOLIO
   =================================== */
.portfolio { background: var(--bg-dark); }

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.portfolio-item {
    background: var(--bg-light);
    border: 1px solid rgba(0,255,136,0.3);
    border-radius: 8px;
    min-height: 240px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    overflow: hidden;
}

.portfolio-overlay {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 100%;
}

.portfolio-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0,255,136,0.25);
    transform: translateY(-4px);
}

.portfolio-item h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: var(--primary-color);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(0,255,136,0.2);
}

.portfolio-item p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
    flex-grow: 1;
}

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

.portfolio-tags span {
    padding: 0.25rem 0.7rem;
    background: rgba(0,255,136,0.1);
    color: var(--primary-color);
    border: 1px solid rgba(0,255,136,0.3);
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    align-self: flex-start;
    transition: var(--transition-fast);
}

.portfolio-link:hover { background: var(--primary-color); color: var(--bg-dark); }

/* ===================================
   CONTACT
   =================================== */
.contact { background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%); }
.contact-content { display: grid; grid-template-columns: 1fr 1.5fr; gap: var(--spacing-lg); }
.contact-info h3 { font-family: var(--font-display); font-size: 2rem; color: var(--primary-color); margin-bottom: 1rem; }
.contact-info > p { color: var(--text-secondary); margin-bottom: var(--spacing-md); line-height: 1.8; }
.contact-methods { margin: var(--spacing-md) 0; }
.contact-method { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.contact-method i { font-size: 1.5rem; color: var(--primary-color); margin-top: 0.2rem; }
.contact-method h4 { font-family: var(--font-display); font-size: 1rem; color: var(--text-primary); margin-bottom: 0.3rem; }
.contact-method a, .contact-method p { color: var(--text-secondary); text-decoration: none; transition: var(--transition-fast); }
.contact-method a:hover { color: var(--primary-color); }
.contact-social { display: flex; gap: 1rem; margin-top: var(--spacing-md); }
.contact-social a { width: 40px; height: 40px; border: 2px solid var(--primary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary-color); font-size: 1.2rem; text-decoration: none; transition: var(--transition-fast); }
.contact-social a:hover { background: var(--primary-color); color: var(--bg-dark); transform: translateY(-5px); }
.contact-form-wrapper { background: var(--bg-light); border: 1px solid var(--primary-color); border-radius: 8px; padding: 2rem; }
.contact-form .form-group { margin-bottom: 1.5rem; }
.contact-form label { display: block; font-family: var(--font-mono); font-size: 0.9rem; color: var(--primary-color); margin-bottom: 0.5rem; }
.contact-form input, .contact-form textarea { width: 100%; padding: 0.8rem; background: var(--bg-darker); border: 1px solid var(--primary-color); border-radius: 4px; color: var(--text-primary); font-family: var(--font-mono); font-size: 0.95rem; transition: var(--transition-fast); }
.contact-form input:focus, .contact-form textarea:focus { outline: none; box-shadow: 0 0 10px rgba(0, 255, 136, 0.5); }
.contact-form textarea { resize: vertical; min-height: 120px; }

/* ===================================
   FOOTER
   =================================== */
.footer { background: var(--bg-darker); border-top: 1px solid var(--primary-color); padding: var(--spacing-lg) 0 var(--spacing-md); }
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-md); margin-bottom: var(--spacing-md); }
.footer-brand h3 { font-family: var(--font-mono); color: var(--primary-color); margin-bottom: 1rem; }
.footer-brand p { color: var(--text-secondary); line-height: 1.8; }
.footer-links h4 { font-family: var(--font-display); color: var(--text-primary); margin-bottom: 1rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--text-secondary); text-decoration: none; font-family: var(--font-mono); font-size: 0.9rem; transition: var(--transition-fast); }
.footer-links a:hover { color: var(--primary-color); padding-left: 0.5rem; }
.footer-newsletter h4 { font-family: var(--font-display); color: var(--text-primary); margin-bottom: 1rem; }
.footer-newsletter p { color: var(--text-secondary); margin-bottom: 1rem; font-size: 0.9rem; }
.newsletter-form { display: flex; gap: 0.5rem; }
.newsletter-form input { flex: 1; padding: 0.8rem; background: var(--bg-light); border: 1px solid var(--primary-color); border-radius: 4px; color: var(--text-primary); font-family: var(--font-mono); }
.newsletter-form button { padding: 0.8rem 1.5rem; background: var(--primary-color); border: none; border-radius: 4px; color: var(--bg-dark); cursor: pointer; transition: var(--transition-fast); }
.newsletter-form button:hover { background: var(--accent-color); }
.footer-bottom { text-align: center; padding-top: var(--spacing-md); border-top: 1px solid rgba(0, 255, 136, 0.2); color: var(--text-secondary); font-family: var(--font-mono); font-size: 0.9rem; }
.easter-egg { margin-top: 1rem; opacity: 0.5; }
.flag { color: var(--primary-color); font-weight: 600; }

/* ===================================
   CHAT WIDGET (floating)
   =================================== */
.chat-toggle { position: fixed; bottom: 2rem; right: 2rem; width: 60px; height: 60px; background: var(--primary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: var(--shadow-glow-strong); transition: var(--transition-fast); z-index: 999; }
.chat-toggle:hover { transform: scale(1.1); }
.chat-toggle i { font-size: 1.8rem; color: var(--bg-dark); }
.chat-notification { position: absolute; top: -5px; right: -5px; width: 24px; height: 24px; background: var(--secondary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 600; color: white; animation: pulse 2s infinite; }
.chat-window { position: fixed; bottom: 100px; right: 2rem; width: 400px; max-height: 600px; background: var(--bg-light); border: 1px solid var(--primary-color); border-radius: 12px; box-shadow: var(--shadow-glow-strong); display: none; flex-direction: column; z-index: 999; overflow: hidden; }
.chat-window.active { display: flex; }
.chat-header { background: var(--bg-darker); padding: 1rem; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--primary-color); }
.chat-header-info { display: flex; align-items: center; gap: 0.8rem; }
.chat-header-info i { font-size: 1.5rem; color: var(--primary-color); }
.chat-header h4 { font-family: var(--font-display); font-size: 1rem; color: var(--text-primary); }
.chat-status { font-family: var(--font-mono); font-size: 0.8rem; color: var(--primary-color); }
.chat-controls { display: flex; gap: 0.5rem; }
.chat-controls button { background: none; border: none; color: var(--text-secondary); font-size: 1rem; cursor: pointer; transition: var(--transition-fast); }
.chat-controls button:hover { color: var(--primary-color); }
.chat-messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: 1rem; max-height: 400px; }
.chat-message { display: flex; gap: 0.8rem; animation: slideIn 0.3s ease; }
@keyframes slideIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.message-avatar { width: 35px; height: 35px; border-radius: 50%; background: var(--primary-color); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.message-avatar i { color: var(--bg-dark); }
.message-content { flex: 1; background: var(--bg-darker); padding: 0.8rem; border-radius: 8px; border: 1px solid rgba(0, 255, 136, 0.3); }
.chat-message.user .message-avatar { background: var(--accent-color); }
.chat-message.user { flex-direction: row-reverse; }
.message-content p { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-primary); line-height: 1.6; }
.chat-input-wrapper { border-top: 1px solid var(--primary-color); padding: 1rem; }
.chat-input-form { display: flex; gap: 0.5rem; }
.chat-input-form input { flex: 1; padding: 0.8rem; background: var(--bg-darker); border: 1px solid var(--primary-color); border-radius: 4px; color: var(--text-primary); font-family: var(--font-mono); font-size: 0.9rem; }
.chat-input-form input:focus { outline: none; box-shadow: 0 0 8px rgba(0, 255, 136, 0.5); }
.chat-input-form button { padding: 0.8rem 1.2rem; background: var(--primary-color); border: none; border-radius: 4px; color: var(--bg-dark); cursor: pointer; transition: var(--transition-fast); }
.chat-input-form button:hover { background: var(--accent-color); }

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
    .about-content { grid-template-columns: 1fr; }
    .hexagon-container { margin-top: var(--spacing-md); }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-menu { position: fixed; top: 70px; left: -100%; width: 100%; height: calc(100vh - 70px); background: rgba(10, 10, 10, 0.98); flex-direction: column; justify-content: center; align-items: center; gap: 3rem; transition: var(--transition-normal); }
    .nav-menu.active { left: 0; }
    .hamburger { display: flex; }
    .hero-stats { flex-direction: column; gap: var(--spacing-md); }
    .hero-cta { flex-direction: column; align-items: center; }
    .skills-grid { grid-template-columns: 1fr; }
    .contact-content { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .chat-features { grid-template-columns: repeat(2, 1fr); }
    .chat-window { width: calc(100% - 2rem); right: 1rem; left: 1rem; }
}

@media (max-width: 480px) {
    .glitch { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
    .cert-grid { grid-template-columns: 1fr; }
    .chat-features { grid-template-columns: repeat(2, 1fr); }
}

/* ===================================
   SCROLLBAR & SELECTION
   =================================== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-darker); }
::-webkit-scrollbar-thumb { background: var(--primary-color); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-color); }
::selection { background: var(--primary-color); color: var(--bg-dark); }
::-moz-selection { background: var(--primary-color); color: var(--bg-dark); }