@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Syne:wght@400;600;700;800&display=swap');

:root {
  --bg: #060a10;
  --surface: #0d1420;
  --card: #111927;
  --border: #1e2d42;
  --accent: #00e5ff;
  --accent2: #7c3aed;
  --accent3: #f97316;
  --text: #e2eaf6;
  --muted: #5a7394;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Syne', sans-serif;
  overflow-x: hidden;
}

#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 60px;
  background: rgba(6, 10, 16, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.logo { font-family: 'Space Mono', monospace; font-size: 1.1rem; color: var(--accent); letter-spacing: 2px; }
.logo span { color: var(--muted); }
nav ul { display: flex; gap: 36px; list-style: none; }
nav ul a { color: var(--muted); text-decoration: none; font-size: 0.85rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; transition: color 0.3s; position: relative; }
nav ul a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px; background: var(--accent); transition: width 0.3s; }
nav ul a:hover { color: var(--accent); }
nav ul a:hover::after { width: 100%; }

/* HERO */
#hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 0 60px; z-index: 1; }
.hero-content { max-width: 760px; }
.hero-tag { font-family: 'Space Mono', monospace; font-size: 0.78rem; color: var(--accent); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 20px; opacity: 0; animation: fadeUp 0.8s ease 0.2s forwards; display: flex; align-items: center; gap: 10px; }
.hero-tag::before { content: ''; display: inline-block; width: 28px; height: 1px; background: var(--accent); }
.hero-name { font-size: clamp(3.5rem, 8vw, 7rem); font-weight: 800; line-height: 1.0; letter-spacing: -2px; margin-bottom: 10px; opacity: 0; animation: fadeUp 0.8s ease 0.4s forwards; }
.hero-name .highlight { color: transparent; -webkit-text-stroke: 1px var(--accent); }
.hero-subtitle { font-family: 'Space Mono', monospace; font-size: 1rem; color: var(--muted); margin-bottom: 36px; opacity: 0; animation: fadeUp 0.8s ease 0.6s forwards; min-height: 28px; }
.cursor { display: inline-block; width: 2px; height: 1em; background: var(--accent); margin-left: 2px; vertical-align: middle; animation: blink 1s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-desc { font-size: 1.05rem; color: var(--muted); line-height: 1.8; max-width: 500px; margin-bottom: 44px; opacity: 0; animation: fadeUp 0.8s ease 0.8s forwards; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; opacity: 0; animation: fadeUp 0.8s ease 1s forwards; }

.btn-primary { padding: 14px 32px; background: var(--accent); color: #060a10; border: none; font-family: 'Syne', sans-serif; font-size: 0.9rem; font-weight: 700; letter-spacing: 1px; cursor: pointer; text-decoration: none; transition: all 0.3s; clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%); }
.btn-primary:hover { background: #fff; box-shadow: 0 0 40px rgba(0,229,255,0.4); transform: translateY(-2px); }
.btn-outline { padding: 14px 32px; background: transparent; color: var(--text); border: 1px solid var(--border); font-family: 'Syne', sans-serif; font-size: 0.9rem; font-weight: 700; letter-spacing: 1px; cursor: pointer; text-decoration: none; transition: all 0.3s; clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* Floating Code Card */
.hero-float { position: absolute; right: 80px; top: 50%; transform: translateY(-50%); opacity: 0; animation: fadeLeft 1s ease 1.2s forwards; }
.code-card { background: var(--surface); border: 1px solid var(--border); border-radius: 2px; padding: 24px; width: 340px; position: relative; box-shadow: 0 0 60px rgba(0,229,255,0.06), 0 20px 60px rgba(0,0,0,0.5); }
.code-card::before { content: ''; position: absolute; top: -1px; left: 20px; width: 60px; height: 2px; background: var(--accent); }
.code-dots { display: flex; gap: 6px; margin-bottom: 18px; }
.code-dots span { width: 10px; height: 10px; border-radius: 50%; }
.code-dots span:nth-child(1) { background: #ff5f57; }
.code-dots span:nth-child(2) { background: #febc2e; }
.code-dots span:nth-child(3) { background: #28c840; }
.code-block { font-family: 'Space Mono', monospace; font-size: 0.75rem; line-height: 1.8; }
.code-block .kw  { color: #7c3aed; }
.code-block .fn  { color: #00e5ff; }
.code-block .str { color: #f97316; }
.code-block .cm  { color: #3a5470; }
.code-block .num { color: #28c840; }

/* SECTIONS */
section { position: relative; z-index: 1; padding: 100px 60px; }
.section-label { font-family: 'Space Mono', monospace; font-size: 0.72rem; color: var(--accent); letter-spacing: 4px; text-transform: uppercase; margin-bottom: 12px; display: flex; align-items: center; gap: 12px; }
.section-label::before { content: ''; width: 24px; height: 1px; background: var(--accent); }
.section-title { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 60px; line-height: 1.1; }

/* ABOUT */
#about { background: var(--surface); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; max-width: 1100px; }
.about-text p { color: var(--muted); line-height: 1.9; margin-bottom: 20px; font-size: 1rem; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.stat-box { padding: 24px; border: 1px solid var(--border); position: relative; overflow: hidden; transition: border-color 0.3s; }
.stat-box::before { content: ''; position: absolute; top: 0; left: 0; width: 2px; height: 100%; background: var(--accent); }
.stat-box:hover { border-color: var(--accent); }
.stat-num { font-size: 2.4rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 6px; }
.stat-label { font-size: 0.78rem; color: var(--muted); letter-spacing: 1px; }
.about-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.avatar-ring { width: 280px; height: 280px; border-radius: 50%; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; position: relative; animation: spin 20s linear infinite; }
.avatar-ring::before { content: ''; position: absolute; inset: 10px; border-radius: 50%; border: 1px dashed #1e2d42; animation: spin 10s linear infinite reverse; }
.avatar-inner { width: 200px; height: 200px; border-radius: 50%; background: linear-gradient(135deg, var(--card), var(--surface)); border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center; overflow: hidden; padding: 0; animation: counterSpin 20s linear infinite; box-shadow: 0 0 40px rgba(0,229,255,0.2); }
.avatar-inner img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes counterSpin { to { transform: rotate(-360deg); } }
.orbit-dot { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }

/* SKILLS */
#skills { background: var(--bg); }
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 1100px; }
.skill-card { background: var(--card); border: 1px solid var(--border); padding: 28px; position: relative; overflow: hidden; transition: all 0.4s; cursor: default; }
.skill-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--accent); transform: scaleX(0); transition: transform 0.4s; }
.skill-card:hover { border-color: rgba(0,229,255,0.3); transform: translateY(-4px); box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.skill-card:hover::after { transform: scaleX(1); }
.skill-icon { font-size: 2.4rem; margin-bottom: 16px; }
.skill-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.skill-desc { font-size: 0.82rem; color: var(--muted); line-height: 1.6; margin-bottom: 18px; }
.skill-bar-track { height: 3px; background: var(--border); border-radius: 2px; overflow: hidden; }
.skill-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #7c3aed); border-radius: 2px; width: 0; transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1); }
.skill-level { display: flex; justify-content: space-between; margin-top: 8px; font-family: 'Space Mono', monospace; font-size: 0.65rem; color: var(--muted); }

/* PROJECTS */
#projects { background: var(--surface); }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 1100px; }
.project-card:first-child { grid-column: span 2; }
.project-card { background: var(--card); border: 1px solid var(--border); padding: 32px; position: relative; overflow: hidden; transition: all 0.4s; }
.project-card::before { content: ''; position: absolute; bottom: -100%; left: 0; right: 0; height: 100%; background: linear-gradient(to top, rgba(0,229,255,0.04), transparent); transition: bottom 0.4s; }
.project-card:hover::before { bottom: 0; }
.project-card:hover { border-color: rgba(0,229,255,0.25); transform: translateY(-3px); }
.project-num { font-family: 'Space Mono', monospace; font-size: 0.65rem; color: var(--accent); letter-spacing: 2px; margin-bottom: 20px; }
.project-title { font-size: 1.4rem; font-weight: 800; margin-bottom: 12px; color: var(--text); }
.project-desc { color: var(--muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 24px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tag { padding: 5px 12px; background: rgba(0,229,255,0.06); border: 1px solid rgba(0,229,255,0.15); color: var(--accent); font-family: 'Space Mono', monospace; font-size: 0.68rem; }
.tag.purple { background: rgba(124,58,237,0.08); border-color: rgba(124,58,237,0.2); color: #a78bfa; }
.tag.orange  { background: rgba(249,115,22,0.08);  border-color: rgba(249,115,22,0.2);  color: #fb923c; }
.project-link { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); text-decoration: none; font-size: 0.82rem; font-weight: 700; letter-spacing: 1px; transition: gap 0.3s; }
.project-link:hover { gap: 14px; }
.project-link::after { content: '→'; }

/* CONTACT */
#contact { background: var(--bg); }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; max-width: 1100px; align-items: start; }
.contact-info p { color: var(--muted); line-height: 1.8; margin-bottom: 40px; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-link { display: flex; align-items: center; gap: 14px; padding: 16px 20px; border: 1px solid var(--border); color: var(--muted); text-decoration: none; font-size: 0.88rem; transition: all 0.3s; }
.contact-link:hover { border-color: var(--accent); color: var(--accent); padding-left: 28px; background: rgba(0,229,255,0.03); }
.contact-link .icon { font-size: 1.1rem; min-width: 20px; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.72rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); }
.form-group input, .form-group textarea { background: var(--card); border: 1px solid var(--border); color: var(--text); padding: 14px 16px; font-family: 'Syne', sans-serif; font-size: 0.9rem; outline: none; transition: border-color 0.3s; resize: none; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); background: rgba(0,229,255,0.02); }
.form-group textarea { height: 120px; }
.btn-submit { padding: 16px; background: var(--accent); color: #060a10; border: none; font-family: 'Syne', sans-serif; font-size: 0.9rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; cursor: pointer; transition: all 0.3s; clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%); }
.btn-submit:hover { background: #fff; box-shadow: 0 0 40px rgba(0,229,255,0.3); }

/* FOOTER */
footer { position: relative; z-index: 1; text-align: center; padding: 32px; border-top: 1px solid var(--border); font-family: 'Space Mono', monospace; font-size: 0.72rem; color: var(--muted); letter-spacing: 1px; }
footer span { color: var(--accent); }

/* ANIMATIONS */
@keyframes fadeUp   { from { opacity: 0; transform: translateY(30px); }  to { opacity: 1; transform: translateY(0); } }
@keyframes fadeLeft { from { opacity: 0; transform: translateY(-50%) translateX(40px); } to { opacity: 1; transform: translateY(-50%) translateX(0); } }
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

.scroll-hint { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--muted); font-family: 'Space Mono', monospace; font-size: 0.65rem; letter-spacing: 2px; opacity: 0; animation: fadeUp 1s ease 1.5s forwards; }
.scroll-line { width: 1px; height: 50px; background: linear-gradient(to bottom, var(--accent), transparent); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0%,100% { transform: scaleY(1); opacity: 1; } 50% { transform: scaleY(0.4); opacity: 0.4; } }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  nav ul { gap: 20px; }
  #hero { padding: 100px 24px 60px; }
  .hero-float { display: none; }
  section { padding: 70px 24px; }
  .about-grid, .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card:first-child { grid-column: span 1; }
  .form-row { grid-template-columns: 1fr; }
  .avatar-ring  { width: 200px; height: 200px; }
  .avatar-inner { width: 140px; height: 140px; }
}