:root {
    --bg-color: #0a0a12;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-color: #4facfe;
    --accent-secondary: #f093fb;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', sans-serif;
    --font-code: 'Fira Code', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background-color: var(--bg-color); color: var(--text-primary); font-family: var(--font-main); overflow-x: hidden; scroll-behavior: smooth; }
#webgl-container { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; background: radial-gradient(circle at center, #1a1a2e 0%, #0a0a12 100%); }

.glass-header { position: fixed; top: 0; width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 1.2rem 5%; z-index: 100; backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); background: var(--glass-bg); border-bottom: 1px solid var(--glass-border); }
.logo { font-family: var(--font-code); font-size: 1.5rem; font-weight: 700; background: linear-gradient(to right, var(--accent-color), var(--accent-secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { list-style: none; display: flex; gap: 2rem; }
.nav-links li a { text-decoration: none; color: var(--text-secondary); font-weight: 500; transition: 0.3s; font-family: var(--font-code); font-size: 0.9rem; }
.nav-links li a:hover, .nav-links li a.active { color: var(--accent-color); }
.highlight-link { color: var(--accent-secondary) !important; text-shadow: 0 0 8px rgba(240, 147, 251, 0.4); }

.hero-section { height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 0 20px; }
.content-wrapper { background: rgba(10, 10, 18, 0.6); padding: 3rem; border-radius: 20px; border: 1px solid var(--glass-border); backdrop-filter: blur(5px); max-width: 800px; }
.subtitle { color: var(--accent-color); font-family: var(--font-code); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 1rem; font-size: 0.9rem; }
h1 { font-size: 3.5rem; margin-bottom: 1.5rem; font-weight: 800; background: linear-gradient(135deg, #fff 30%, var(--accent-color) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.typing-container { font-size: 1.2rem; color: var(--text-secondary); font-family: var(--font-code); margin-bottom: 2rem; height: 3rem; display: flex; justify-content: center; align-items: center;}
.cursor { animation: blink 1s infinite; color: var(--accent-color); margin-left: 5px; }
.description { color: var(--text-secondary); line-height: 1.6; margin-bottom: 3rem; }

.cta-group { display: flex; gap: 1.5rem; justify-content: center; }
.btn { padding: 12px 32px; border-radius: 50px; text-decoration: none; font-weight: 600; transition: 0.3s; }
.btn-primary { background: linear-gradient(to right, var(--accent-color), #00c6ff); color: #000; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(79, 172, 254, 0.5); }
.btn-secondary { border: 2px solid var(--accent-color); color: #fff; }
.btn-secondary:hover { background: rgba(79, 172, 254, 0.1); }
.menu-toggle { display: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

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

/* Section Styles */
.section-container { min-height: 100vh; padding: 120px 5% 80px; display: flex; align-items: center; justify-content: center; }
.section-wrapper { max-width: 1200px; width: 100%; }
.section-title { font-size: 3rem; font-weight: 800; background: linear-gradient(135deg, #fff 30%, var(--accent-color) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 1rem; text-align: center; }
.section-title.ai-gradient { background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-color) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-subtitle { color: var(--text-secondary); text-align: center; font-size: 1.1rem; margin-bottom: 4rem; }

/* Tech Grid */
.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-bottom: 4rem; }
.tech-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 15px; padding: 2rem; backdrop-filter: blur(10px); transition: all 0.3s; cursor: pointer; }
.tech-card:hover { transform: translateY(-5px); border-color: var(--accent-color); box-shadow: 0 8px 30px rgba(79, 172, 254, 0.3); }
.tech-icon { font-size: 3rem; margin-bottom: 1rem; }
.tech-card h3 { color: var(--accent-color); margin-bottom: 1rem; font-size: 1.3rem; }
.tech-card p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1.5rem; }
.skill-bar { height: 8px; background: rgba(255, 255, 255, 0.1); border-radius: 10px; overflow: hidden; }
.skill-fill { height: 100%; background: linear-gradient(to right, var(--accent-color), var(--accent-secondary)); border-radius: 10px; transition: width 1s ease; }

/* Project Timeline */
.project-highlights { margin-top: 3rem; }
.highlight-title { font-size: 1.8rem; color: #fff; margin-bottom: 2rem; text-align: center; }
.timeline { position: relative; padding-left: 2rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--accent-color), var(--accent-secondary)); }
.timeline-item { position: relative; margin-bottom: 3rem; }
.timeline-dot { position: absolute; left: -2.5rem; top: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--accent-color); border: 3px solid var(--bg-color); box-shadow: 0 0 15px var(--accent-color); }
.timeline-content { background: var(--glass-bg); padding: 1.5rem; border-radius: 10px; border: 1px solid var(--glass-border); }
.timeline-content h4 { color: var(--accent-color); margin-bottom: 0.5rem; font-size: 1.2rem; }
.timeline-content p { color: var(--text-secondary); line-height: 1.6; }

/* AI Showcase */
.ai-showcase { margin-top: 3rem; }
.ai-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 15px; padding: 2rem; backdrop-filter: blur(10px); transition: all 0.3s; margin-bottom: 2rem; position: relative; }
.ai-card.featured { border: 2px solid var(--accent-secondary); box-shadow: 0 0 30px rgba(240, 147, 251, 0.2); }
.ai-badge { position: absolute; top: -12px; right: 20px; background: linear-gradient(to right, var(--accent-secondary), #ff6b95); padding: 5px 15px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; color: #fff; }
.ai-card h3 { color: var(--accent-secondary); margin-bottom: 1rem; font-size: 1.5rem; }
.ai-desc { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1.5rem; }
.tech-tags { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 1.5rem; }
.tag { background: rgba(79, 172, 254, 0.2); color: var(--accent-color); padding: 5px 12px; border-radius: 15px; font-size: 0.85rem; border: 1px solid var(--accent-color); }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--glass-border); }
.metric-item { text-align: center; }
.metric-value { display: block; font-size: 2rem; font-weight: 700; color: var(--accent-secondary); margin-bottom: 0.5rem; }
.metric-label { color: var(--text-secondary); font-size: 0.9rem; }
.ai-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.ai-card:hover { transform: translateY(-5px); border-color: var(--accent-secondary); }

/* Research Areas */
.research-areas { margin-top: 3rem; }
.research-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.research-item { background: var(--glass-bg); border: 1px solid var(--glass-border); padding: 1.5rem; border-radius: 10px; text-align: center; transition: all 0.3s; }
.research-item:hover { border-color: var(--accent-color); transform: translateY(-3px); }
.research-icon { font-size: 2rem; display: block; margin-bottom: 0.8rem; }

/* About Section */
.about-content { display: grid; grid-template-columns: 350px 1fr; gap: 3rem; margin-top: 3rem; }
.about-left { display: flex; flex-direction: column; gap: 2rem; }
.profile-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 15px; padding: 2rem; text-align: center; backdrop-filter: blur(10px); }
.profile-avatar { font-size: 5rem; margin-bottom: 1rem; }
.profile-card h3 { color: var(--accent-color); margin-bottom: 0.5rem; }
.profile-tagline { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1.5rem; }
.social-links { display: flex; flex-direction: column; gap: 0.8rem; }
.social-btn { background: rgba(79, 172, 254, 0.1); color: var(--accent-color); padding: 10px; border-radius: 8px; text-decoration: none; border: 1px solid var(--accent-color); transition: all 0.3s; }
.social-btn:hover { background: var(--accent-color); color: #000; transform: translateX(5px); }
.stats-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 15px; padding: 1.5rem; backdrop-filter: blur(10px); }
.stat-item { text-align: center; margin-bottom: 1.5rem; }
.stat-item:last-child { margin-bottom: 0; }
.stat-number { display: block; font-size: 2.5rem; font-weight: 700; color: var(--accent-color); }
.stat-label { color: var(--text-secondary); font-size: 0.9rem; }

.about-right { display: flex; flex-direction: column; gap: 2rem; }
.bio-section, .skills-section, .awards-section { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 15px; padding: 2rem; backdrop-filter: blur(10px); }
.bio-section h3, .skills-section h3, .awards-section h3 { color: var(--accent-color); margin-bottom: 1rem; }
.bio-section p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; }
.skill-categories { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 1rem; }
.skill-category h4 { color: #fff; margin-bottom: 0.8rem; font-size: 1rem; }
.skill-tag { display: inline-block; background: rgba(79, 172, 254, 0.15); color: var(--accent-color); padding: 5px 10px; border-radius: 5px; margin-right: 0.5rem; margin-bottom: 0.5rem; font-size: 0.85rem; border: 1px solid rgba(79, 172, 254, 0.3); }
.awards-list { list-style: none; color: var(--text-secondary); }
.awards-list li { padding: 0.8rem 0; border-bottom: 1px solid var(--glass-border); }
.awards-list li:last-child { border-bottom: none; }

/* Contact Section */
.contact-container { display: grid; grid-template-columns: 1fr 1.5fr; gap: 3rem; margin-top: 3rem; }
.contact-left { display: flex; flex-direction: column; gap: 2rem; }
.contact-card, .ai-trends-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 15px; padding: 2rem; backdrop-filter: blur(10px); }
.contact-card h3, .ai-trends-card h3 { color: var(--accent-color); margin-bottom: 1.5rem; }
.contact-item { display: flex; align-items: start; gap: 1rem; margin-bottom: 1.5rem; }
.contact-icon { font-size: 2rem; }
.contact-item strong { color: #fff; display: block; margin-bottom: 0.3rem; }
.contact-item p { color: var(--text-secondary); }

.ai-trends-card p { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 0.95rem; }
.trend-list { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; max-height: 500px; overflow-y: auto; padding-right: 0.5rem; }
.trend-list::-webkit-scrollbar { width: 6px; }
.trend-list::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.05); border-radius: 10px; }
.trend-list::-webkit-scrollbar-thumb { background: var(--accent-color); border-radius: 10px; }
.trend-item { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--glass-border); border-radius: 10px; padding: 1rem; display: flex; gap: 1rem; align-items: start; transition: all 0.3s; }
.trend-item:hover { border-color: var(--accent-color); transform: translateX(5px); background: rgba(79, 172, 254, 0.05); }
.trend-badge { background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary)); color: #fff; padding: 4px 10px; border-radius: 12px; font-size: 0.75rem; font-weight: 600; white-space: nowrap; min-width: 70px; text-align: center; }
.trend-badge.hot { background: linear-gradient(135deg, #ff6b6b, #ff8e53); animation: pulse 2s infinite; }
.trend-badge.new { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.trend-content { flex: 1; }
.trend-content h4 { color: #fff; font-size: 1rem; margin-bottom: 0.4rem; }
.trend-content p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.5; margin-bottom: 0.5rem; }
.trend-date { color: var(--accent-color); font-size: 0.75rem; font-family: var(--font-code); }
.explore-btn { display: block; background: linear-gradient(to right, var(--accent-color), var(--accent-secondary)); color: #fff; padding: 12px; border-radius: 8px; text-align: center; text-decoration: none; font-weight: 600; transition: all 0.3s; }
.explore-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(79, 172, 254, 0.5); }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }

.contact-form { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 15px; padding: 2rem; backdrop-filter: blur(10px); }
.contact-form h3 { color: var(--accent-secondary); margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1.5rem; }
.form-group input, .form-group textarea { width: 100%; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--glass-border); border-radius: 8px; padding: 12px; color: #fff; font-family: var(--font-main); font-size: 1rem; transition: all 0.3s; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent-color); box-shadow: 0 0 15px rgba(79, 172, 254, 0.3); }
.submit-btn { width: 100%; background: linear-gradient(to right, var(--accent-secondary), #ff6b95); color: #fff; padding: 12px; border: none; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.3s; }
.submit-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(240, 147, 251, 0.5); }

/* Footer */
.site-footer { background: var(--glass-bg); border-top: 1px solid var(--glass-border); padding: 2rem 5%; backdrop-filter: blur(10px); }
.footer-content { text-align: center; color: var(--text-secondary); }
.footer-tagline { margin-top: 0.5rem; font-size: 0.9rem; }

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    .menu-toggle { display: block; }
    .nav-links { display: none; position: absolute; top: 100%; left: 0; width: 100%; flex-direction: column; background: var(--bg-color); padding: 1rem; text-align: center; }
    .nav-links.active { display: flex; }
    .section-title { font-size: 2rem; }
    .tech-grid, .ai-grid { grid-template-columns: 1fr; }
    .about-content { grid-template-columns: 1fr; }
    .contact-container { grid-template-columns: 1fr; }
    .skill-categories { grid-template-columns: 1fr; }
    .metrics { grid-template-columns: 1fr; gap: 1rem; }
    .cta-group { flex-direction: column; }
}