/* YONGWEI · AI ARCHITECT - COOL UPGRADE v2 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500;600&family=JetBrains+Mono:wght@300;400;500&family=Orbitron:wght@400;500;600;700&display=swap');

:root {
  --bg-primary: #030710;
  --bg-secondary: #060d1a;
  --bg-card: rgba(6, 13, 26, 0.8);
  --text-primary: #e8f4ff;
  --text-secondary: #7ba3c0;
  --text-muted: #3a5a78;
  --accent-cyan: #00f0ff;
  --accent-blue: #006ddd;
  --accent-purple: #7b2fff;
  --neon-glow: 0 0 20px rgba(0,240,255,0.3), 0 0 40px rgba(0,240,255,0.1);
  --neon-glow-strong: 0 0 20px rgba(0,240,255,0.5), 0 0 60px rgba(0,240,255,0.2), 0 0 100px rgba(0,240,255,0.1);
  --border-subtle: rgba(0,240,255,0.08);
  --border-line: rgba(0,240,255,0.15);
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-code: 'JetBrains Mono', monospace;
  --font-tech: 'Orbitron', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-display); background: var(--bg-primary); color: var(--text-primary); font-weight: 300; line-height: 1.8; overflow-x: hidden; -webkit-font-smoothing: antialiased; }

#canvas-bg { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.matrix-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: 0.04; }
.scanlines { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px); }
.data-stream { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; background: linear-gradient(180deg, transparent 0%, rgba(0,240,255,0.02) 50%, transparent 100%); animation: dataStream 8s linear infinite; }
@keyframes dataStream { 0% { transform: translateY(-100%); } 100% { transform: translateY(100%); } }

nav { position: fixed; top: 0; width: 100%; background: rgba(3,7,16,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--border-subtle); z-index: 100; padding: 0 4rem; height: 64px; display: flex; justify-content: space-between; align-items: center; }
.nav-logo { font-family: var(--font-tech); font-size: 1rem; font-weight: 600; letter-spacing: 4px; color: var(--text-primary); display: flex; align-items: baseline; gap: 2px; }
.logo-prefix { color: var(--accent-cyan); font-size: 1.2rem; text-shadow: 0 0 10px var(--accent-cyan); }
.logo-suffix { color: var(--text-primary); }
.logo-tag { font-family: var(--font-code); font-size: 0.5rem; color: var(--accent-cyan); letter-spacing: 2px; margin-left: 8px; opacity: 0.7; }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 2px; text-transform: uppercase; transition: all 0.3s ease; position: relative; padding: 4px 0; }
.nav-links a:hover, .nav-links a.active { color: var(--accent-cyan); text-shadow: 0 0 8px rgba(0,240,255,0.4); }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 1px; background: var(--accent-cyan); box-shadow: 0 0 6px var(--accent-cyan); transition: width 0.3s ease; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; }
.hamburger span { width: 22px; height: 1.5px; background: var(--text-primary); transition: 0.3s; }

section { min-height: 100vh; padding: 8rem 4rem 5rem; display: flex; flex-direction: column; justify-content: center; max-width: 1200px; margin: 0 auto; position: relative; z-index: 1; opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
section.visible { opacity: 1; transform: translateY(0); }
.section-title { font-family: var(--font-tech); font-size: 0.7rem; font-weight: 500; letter-spacing: 6px; text-transform: uppercase; color: var(--accent-cyan); margin-bottom: 3rem; position: relative; display: inline-block; text-shadow: 0 0 10px rgba(0,240,255,0.3); }
.section-title::after { content: ''; position: absolute; bottom: -12px; left: 0; width: 60px; height: 2px; background: linear-gradient(90deg, var(--accent-cyan), transparent); box-shadow: 0 0 8px var(--accent-cyan); }

#hero { text-align: center; justify-content: center; padding-top: 0; position: relative; overflow: hidden; }
.hero-glow { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 600px; height: 600px; background: radial-gradient(circle, rgba(0,240,255,0.08) 0%, transparent 70%); pointer-events: none; z-index: 0; }
.hero-content { position: relative; z-index: 2; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border: 1px solid var(--border-line); border-radius: 20px; margin-bottom: 2rem; background: rgba(0,240,255,0.03); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-cyan); box-shadow: 0 0 8px var(--accent-cyan); animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(0.8); } }
.badge-text { font-family: var(--font-code); font-size: 0.6rem; letter-spacing: 3px; color: var(--accent-cyan); text-transform: uppercase; }
.hero-name { font-family: var(--font-tech); font-size: clamp(3rem, 10vw, 8rem); font-weight: 700; letter-spacing: 16px; color: var(--text-primary); margin-bottom: 0.5rem; line-height: 1; text-shadow: 0 0 20px rgba(0,240,255,0.4), 0 0 40px rgba(0,240,255,0.2), 0 0 80px rgba(0,240,255,0.1); animation: neon-flicker 4s ease-in-out infinite; position: relative; }
.hero-name::after { content: attr(data-text); position: absolute; top: 0; left: 0; width: 100%; height: 100%; color: var(--accent-cyan); opacity: 0.3; filter: blur(8px); animation: glow-pulse 3s ease-in-out infinite; }
@keyframes neon-flicker { 0%,100% { text-shadow: 0 0 20px rgba(0,240,255,0.4), 0 0 40px rgba(0,240,255,0.2), 0 0 80px rgba(0,240,255,0.1); } 50% { text-shadow: 0 0 30px rgba(0,240,255,0.6), 0 0 60px rgba(0,240,255,0.3), 0 0 100px rgba(0,240,255,0.15); } }
@keyframes glow-pulse { 0%,100% { opacity: 0.3; } 50% { opacity: 0.5; } }
.hero-title { font-family: var(--font-code); font-size: clamp(0.7rem, 2vw, 0.9rem); font-weight: 300; letter-spacing: 4px; color: var(--text-secondary); margin-bottom: 1.5rem; text-transform: uppercase; min-height: 1.5em; }
.typewriter { color: var(--accent-cyan); }
.cursor { color: var(--accent-cyan); animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100% {opacity:1;} 50% {opacity:0;} }
.hero-subtitle { font-family: var(--font-display); font-size: 1.1rem; font-weight: 300; color: var(--text-secondary); letter-spacing: 3px; margin-bottom: 3rem; }
.hero-cta-group { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; }
.cta-btn { display: inline-block; padding: 0.9rem 2.8rem; font-family: var(--font-display); font-size: 0.78rem; font-weight: 500; letter-spacing: 3px; text-transform: uppercase; color: var(--bg-primary); background: var(--accent-cyan); text-decoration: none; transition: all 0.3s ease; border: 1px solid var(--accent-cyan); box-shadow: var(--neon-glow); position: relative; overflow: hidden; }
.cta-btn::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); transition: left 0.5s ease; }
.cta-btn:hover::before { left: 100%; }
.cta-btn:hover { background: transparent; color: var(--accent-cyan); box-shadow: var(--neon-glow-strong); transform: translateY(-2px); }
.cta-btn-outline { background: transparent; color: var(--accent-cyan); }
.cta-btn-outline:hover { background: var(--accent-cyan); color: var(--bg-primary); }
.hero-stats { position: absolute; bottom: 8vh; left: 50%; transform: translateX(-50%); display: flex; gap: 4rem; z-index: 2; }
.hero-stats .stat-item { text-align: center; transition: transform 0.3s ease; }
.hero-stats .stat-item:hover { transform: translateY(-5px); }
.hero-stats .stat-number { font-family: var(--font-tech); font-size: 2rem; font-weight: 600; color: var(--accent-cyan); letter-spacing: 2px; text-shadow: 0 0 15px rgba(0,240,255,0.4); }
.hero-stats .stat-label { font-family: var(--font-code); font-size: 0.6rem; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; margin-top: 0.3rem; }
.scroll-indicator { position: absolute; bottom: 2vh; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; opacity: 0.5; animation: scroll-bounce 2s ease-in-out infinite; }
.scroll-indicator span { font-family: var(--font-code); font-size: 0.5rem; letter-spacing: 3px; color: var(--text-muted); }
.scroll-line { width: 1px; height: 30px; background: linear-gradient(to bottom, var(--accent-cyan), transparent); }
@keyframes scroll-bounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(5px); } }

.about-content { max-width: 700px; margin-bottom: 3rem; }
.about-text { font-size: 1.05rem; font-weight: 300; line-height: 2; color: var(--text-primary); margin-bottom: 1.5rem; }
.about-text-secondary { color: var(--text-secondary); font-size: 0.95rem; }
.highlight { color: var(--accent-cyan); font-weight: 400; text-shadow: 0 0 8px rgba(0,240,255,0.3); }
.tech-tag { display: inline-block; padding: 2px 10px; border: 1px solid var(--border-line); border-radius: 3px; font-family: var(--font-code); font-size: 0.65rem; color: var(--accent-cyan); letter-spacing: 1px; margin: 4px 4px 4px 0; background: rgba(0,240,255,0.03); }
.about-visual { margin-top: 2rem; }
.visual-block { background: var(--bg-secondary); border: 1px solid var(--border-line); border-radius: 8px; padding: 1.5rem 2rem; font-family: var(--font-code); font-size: 0.8rem; color: var(--text-secondary); line-height: 2; }
.code-line { margin: 2px 0; }
.code-line.indent { padding-left: 1.5rem; }
.keyword { color: var(--accent-purple); }
.var { color: var(--accent-cyan); }
.string { color: #7dd97d; }
.comment { color: var(--text-muted); font-style: italic; }
.method { color: var(--accent-blue); }

.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.skill-card { position: relative; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 12px; padding: 2rem; transition: all 0.35s ease; overflow: hidden; }
.skill-card::before { content: ''; position: absolute; inset: 0; border-radius: 12px; padding: 1px; background: linear-gradient(135deg, transparent 40%, var(--accent-cyan) 100%); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity 0.35s ease; }
.skill-card:hover::before { opacity: 1; }
.skill-card:hover { transform: translateY(-4px); box-shadow: var(--neon-glow); }
.skill-card-glow { position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle at center, rgba(0,240,255,0.03) 0%, transparent 70%); pointer-events: none; transition: opacity 0.35s ease; opacity: 0; }
.skill-card:hover .skill-card-glow { opacity: 1; }
.skill-num { font-family: var(--font-tech); font-size: 0.65rem; color: var(--accent-cyan); letter-spacing: 2px; margin-bottom: 0.8rem; opacity: 0.7; }
.skill-name { font-family: var(--font-display); font-size: 1.1rem; font-weight: 500; color: var(--text-primary); letter-spacing: 1px; margin-bottom: 0.5rem; }
.skill-desc { font-family: var(--font-code); font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.5px; line-height: 1.6; }
.skill-bar { margin-top: 1rem; height: 2px; background: var(--border-subtle); border-radius: 1px; overflow: hidden; }
.skill-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue)); box-shadow: 0 0 8px var(--accent-cyan); border-radius: 1px; width: var(--fill); transition: width 1s ease; }

/* PROJECTS */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.project-card { position: relative; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 12px; padding: 2rem; transition: all 0.35s ease; overflow: hidden; }
.project-card::before { content: ''; position: absolute; inset: 0; border-radius: 12px; padding: 1px; background: linear-gradient(135deg, transparent 40%, var(--accent-cyan) 100%); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity 0.35s ease; }
.project-card:hover::before { opacity: 1; }
.project-card:hover { transform: translateY(-4px); box-shadow: var(--neon-glow); }
.project-card-glow { position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle at center, rgba(0,240,255,0.03) 0%, transparent 70%); pointer-events: none; transition: opacity 0.35s ease; opacity: 0; }
.project-card:hover .project-card-glow { opacity: 1; }
.project-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.project-category { font-family: var(--font-code); font-size: 0.65rem; color: var(--accent-cyan); letter-spacing: 2px; text-transform: uppercase; }
.project-status { font-family: var(--font-code); font-size: 0.6rem; padding: 2px 8px; border-radius: 3px; letter-spacing: 1px; }
.status-active { color: #7dd97d; border: 1px solid rgba(125,217,125,0.3); background: rgba(125,217,125,0.05); }
.project-title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; color: var(--text-primary); letter-spacing: 1px; margin-bottom: 0.8rem; }
.project-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 1.2rem; }
.project-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.project-tags span { font-family: var(--font-code); font-size: 0.6rem; color: var(--text-secondary); padding: 2px 8px; border: 1px solid var(--border-subtle); border-radius: 3px; letter-spacing: 1px; }

/* TERMINAL */
.terminal { background: var(--bg-secondary); border: 1px solid var(--border-line); border-radius: 8px; padding: 0; font-family: var(--font-code); margin-top: 1rem; position: relative; overflow: hidden; }
.terminal-header { display: flex; align-items: center; gap: 6px; padding: 12px 16px; background: rgba(0,0,0,0.3); border-bottom: 1px solid var(--border-subtle); }
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot-red { background: #ff5f56; }
.terminal-dot-yellow { background: #ffbd2e; }
.terminal-dot-green { background: #27c93f; }
.terminal-title { font-size: 0.7rem; color: var(--text-muted); letter-spacing: 1px; margin-left: 8px; }
.terminal-output { padding: 1.5rem; color: var(--text-secondary); font-size: 0.82rem; min-height: 120px; line-height: 1.8; white-space: pre-wrap; max-height: 300px; overflow-y: auto; }
.terminal-input-line { display: flex; align-items: center; gap: 10px; padding: 0 1.5rem 1.5rem; }
.terminal-prompt { color: var(--accent-cyan); font-size: 0.82rem; }
.terminal-input { flex: 1; background: transparent; border: none; color: var(--text-primary); font-family: var(--font-code); font-size: 0.82rem; outline: none; letter-spacing: 0.5px; }

/* FOOTER */
footer { text-align: center; padding: 4rem 2rem; border-top: 1px solid var(--border-subtle); position: relative; z-index: 1; }
.footer-content { max-width: 600px; margin: 0 auto; }
.footer-logo { font-family: var(--font-tech); font-size: 1.5rem; font-weight: 600; letter-spacing: 6px; color: var(--accent-cyan); margin-bottom: 1rem; text-shadow: 0 0 15px rgba(0,240,255,0.4); }
.footer-tagline { font-family: var(--font-code); font-size: 0.75rem; color: var(--text-muted); letter-spacing: 2px; margin-bottom: 1rem; }
.footer-copy { font-family: var(--font-code); font-size: 0.65rem; color: var(--text-muted); opacity: 0.5; letter-spacing: 1px; }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav { padding: 0 2rem; }
  section { padding: 7rem 2rem 4rem; }
  .hero-name { letter-spacing: 10px; }
  .hero-stats { gap: 2rem; }
  .hero-stats .stat-number { font-size: 1.5rem; }
  .skills-grid, .projects-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  nav { padding: 0 1.5rem; }
  .nav-links { position: fixed; top: 64px; right: -100%; width: 100%; height: calc(100vh - 64px); background: rgba(3,7,16,0.97); flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem; transition: right 0.3s ease; }
  .nav-links.active { right: 0; }
  .nav-links a { font-size: 1rem; letter-spacing: 3px; }
  .hamburger { display: flex; }
  .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
  .hero-name { letter-spacing: 5px; font-size: clamp(2.5rem, 15vw, 4rem); }
  .hero-title { font-size: 0.75rem; letter-spacing: 4px; }
  .hero-subtitle { font-size: 0.9rem; }
  .hero-cta-group { flex-direction: column; align-items: center; }
  .hero-stats { position: relative; bottom: auto; left: auto; transform: none; margin-top: 3rem; gap: 2rem; flex-wrap: wrap; justify-content: center; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-cyan); opacity: 0.5; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-blue); }

/* Selection */
::selection { background: rgba(0,240,255,0.3); color: var(--text-primary); }
"""

with open('/tmp/style.css', 'w') as f:
    f.write(css_content)
print('CSS file created successfully')