:root{
  --bg:#0a0a0f;
  --bg-soft:#0f1018;
  --fg:#e8eaf2;
  --muted:#9aa0b4;
  --line:rgba(255,255,255,.08);
  --accent:#7c5cff;
  --accent2:#22d3ee;
  --card:rgba(255,255,255,.04);
  --card-hover:rgba(255,255,255,.07);
  --grad:linear-gradient(120deg,#7c5cff 0%,#22d3ee 50%,#f472b6 100%);
  --shadow:0 10px 40px rgba(0,0,0,.45);
  --radius:18px;
  --radius-sm:10px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--fg);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(124,92,255,.15), transparent 60%),
    radial-gradient(1000px 500px at -10% 20%, rgba(34,211,238,.12), transparent 60%),
    var(--bg);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

#bg-particles{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;opacity:.7}

.container{max-width:1100px;margin:0 auto;padding:0 24px}

/* ====== NAV ====== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 28px;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  background:rgba(10,10,15,.55);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease), background .3s var(--ease), padding .3s var(--ease);
}
.nav.scrolled{border-color:var(--line);background:rgba(10,10,15,.78);padding:12px 28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.5px}
.logo .dot{width:10px;height:10px;border-radius:50%;background:var(--grad);box-shadow:0 0 16px var(--accent)}
.nav-links{display:flex;gap:28px}
.nav-links a{color:var(--muted);font-size:14px;font-weight:500;position:relative;transition:color .25s var(--ease)}
.nav-links a:hover{color:var(--fg)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad);transition:width .3s var(--ease)}
.nav-links a:hover::after{width:100%}
.menu-btn{display:none;flex-direction:column;gap:5px;background:transparent;border:0;cursor:pointer;padding:6px}
.menu-btn span{width:24px;height:2px;background:var(--fg);transition:transform .3s var(--ease),opacity .3s var(--ease)}

/* ====== HERO ====== */
.hero{position:relative;min-height:100vh;display:grid;place-items:center;padding:120px 24px 80px;text-align:center}
.hero-inner{max-width:900px;margin:0 auto}
.kicker{color:var(--muted);letter-spacing:4px;font-family:"JetBrains Mono",monospace;font-size:12px;margin-bottom:18px}
.title{font-size:clamp(48px,9vw,128px);font-weight:800;line-height:.95;letter-spacing:-.03em;margin-bottom:24px}
.title .line{display:block;overflow:hidden}
.title .word{display:inline-block}
.gradient{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 200%;animation:shift 8s ease-in-out infinite}
@keyframes shift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.subtitle{font-size:clamp(18px,2.4vw,24px);color:var(--muted);margin-bottom:18px;font-family:"JetBrains Mono",monospace}
.caret{display:inline-block;margin-left:2px;animation:blink 1s steps(1) infinite;color:var(--accent)}
@keyframes blink{50%{opacity:0}}
.hero-desc{color:var(--muted);max-width:640px;margin:0 auto 36px;font-size:16px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;
  font-weight:600;font-size:14px;letter-spacing:.3px;transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  border:1px solid transparent;cursor:pointer;
}
.btn.primary{background:var(--grad);color:#0a0a0f;background-size:200% 200%}
.btn.primary:hover{transform:translateY(-2px);background-position:100% 0}
.btn.ghost{border-color:var(--line);color:var(--fg)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.scroll-hint{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);color:var(--muted);font-size:11px;letter-spacing:4px;display:flex;flex-direction:column;align-items:center;gap:8px;font-family:"JetBrains Mono",monospace}
.scroll-hint span{width:1px;height:40px;background:linear-gradient(to bottom,transparent,var(--accent));animation:drop 2s ease-in-out infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ====== SECTIONS ====== */
.section{padding:120px 0;position:relative}
.section.alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.02) 50%,transparent)}
.section-title{font-size:clamp(28px,4vw,44px);font-weight:700;letter-spacing:-.02em;margin-bottom:48px;display:flex;align-items:center;gap:14px}
.section-title::before{content:"";width:42px;height:2px;background:var(--grad);display:inline-block}
.section-sub{color:var(--muted);max-width:560px;margin:-30px 0 36px}

/* ====== ABOUT ====== */
.about-grid{display:grid;grid-template-columns:280px 1fr;gap:60px;align-items:center}
.avatar-wrap{display:flex;justify-content:center}
.avatar{width:220px;height:220px;border-radius:50%;position:relative;display:grid;place-items:center;background:radial-gradient(circle at 30% 30%,#1a1c2a,#0d0e16);box-shadow:var(--shadow)}
.avatar-inner{width:170px;height:170px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:48px;font-weight:800;color:#0a0a0f;letter-spacing:-.02em}
.avatar .ring{position:absolute;inset:-10px;border-radius:50%;border:1px dashed rgba(124,92,255,.4);animation:spin 18s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.about-text p{color:var(--muted);margin-bottom:14px}
.about-text b{color:var(--fg);font-weight:600}
.info{list-style:none;margin-top:18px;display:grid;gap:8px}
.info li{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px}

/* ====== SKILLS ====== */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.skill-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease)}
.skill-card:hover{transform:translateY(-4px);background:var(--card-hover);border-color:rgba(124,92,255,.4)}
.skill-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}
.skill-head span{font-weight:600;font-size:15px}
.skill-head b{font-size:30px;font-weight:700;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.skill-head small{color:var(--muted);font-size:13px;margin-left:2px}
.bar{height:6px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden;margin-bottom:12px}
.bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:999px;transition:width 1.4s var(--ease)}
.skill-card p{color:var(--muted);font-size:13px;font-family:"JetBrains Mono",monospace}

/* ====== PROJECTS ====== */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.project-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease)}
.project-card:hover{transform:translateY(-6px);border-color:rgba(124,92,255,.5);background:var(--card-hover)}
.project-cover{height:170px;position:relative;overflow:hidden;background:#0f1018}
.p1{background:linear-gradient(135deg,#0f1018,#1b1530)}
.p2{background:linear-gradient(135deg,#0f1018,#0f2030)}
.p3{background:linear-gradient(135deg,#0f1018,#1a0f25)}
.cover-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(124,92,255,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(124,92,255,.25) 1px,transparent 1px);background-size:24px 24px;animation:gridMove 12s linear infinite}
@keyframes gridMove{from{background-position:0 0}to{background-position:48px 48px}}
.cover-bars{position:absolute;inset:0;display:flex;align-items:flex-end;gap:6px;padding:24px}
.cover-bars::before,.cover-bars::after,.cover-bars{position:absolute}
.cover-bars{position:absolute}
.cover-bars{background:transparent}
.cover-bars::before{content:"";position:absolute;left:0;right:0;bottom:0;height:60%;background:repeating-linear-gradient(90deg,rgba(34,211,238,.5) 0 14px,transparent 14px 28px);animation:bars 3s ease-in-out infinite alternate;clip-path:polygon(0 100%,0 60%,10% 50%,20% 70%,30% 40%,40% 65%,50% 35%,60% 55%,70% 30%,80% 60%,90% 45%,100% 50%,100% 100%)}
@keyframes bars{from{transform:translateY(8px)}to{transform:translateY(0)}}
.cover-orbit{position:absolute;inset:0;display:grid;place-items:center}
.cover-orbit::before{content:"";position:absolute;width:120px;height:120px;border:1px solid rgba(244,114,182,.4);border-radius:50%;animation:spin 10s linear infinite}
.cover-orbit::after{content:"";position:absolute;width:160px;height:160px;border:1px dashed rgba(34,211,238,.35);border-radius:50%;animation:spin 16s linear infinite reverse}
.cover-orbit span{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--grad);box-shadow:0 0 20px var(--accent)}
.cover-orbit span:nth-child(1){top:20%;left:50%;animation:float 4s ease-in-out infinite}
.cover-orbit span:nth-child(2){bottom:20%;right:25%;animation:float 5s ease-in-out infinite reverse}
.cover-orbit span:nth-child(3){top:60%;left:20%;animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.project-body{padding:22px}
.project-body h3{font-size:18px;margin-bottom:8px;letter-spacing:-.01em}
.project-body p{color:var(--muted);font-size:14px;margin-bottom:14px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.tags span{font-size:11px;padding:3px 8px;border-radius:999px;background:rgba(124,92,255,.12);color:#b9aeff;border:1px solid rgba(124,92,255,.25);font-family:"JetBrains Mono",monospace}
.project-links{display:flex;gap:14px}
.link{font-size:13px;color:var(--muted);font-weight:500;transition:color .25s var(--ease),transform .25s var(--ease)}
.link:hover{color:var(--accent);transform:translateX(2px)}

/* ====== TIMELINE ====== */
.timeline{list-style:none;position:relative;padding-left:24px}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:linear-gradient(to bottom,var(--accent),transparent)}
.timeline li{position:relative;padding-bottom:28px}
.timeline .dot{position:absolute;left:-24px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(124,92,255,.18)}
.timeline .content h4{font-size:16px;margin-bottom:4px}
.timeline .content p{color:var(--muted);font-size:14px}

/* ====== CONTACT ====== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:6px;transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease)}
.contact-card:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.4);background:var(--card-hover)}
.contact-card .ic{font-size:22px}
.contact-card b{font-size:14px}
.contact-card small{color:var(--muted);font-size:12px;font-family:"JetBrains Mono",monospace}

/* ====== FOOTER ====== */
.footer{border-top:1px solid var(--line);padding:30px 24px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:13px}
.to-top{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:background .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
.to-top:hover{background:var(--accent);border-color:var(--accent);color:#0a0a0f;transform:translateY(-2px)}

/* ====== RESPONSIVE ====== */
@media (max-width: 820px){
  .nav-links{position:fixed;top:64px;right:0;left:0;flex-direction:column;gap:0;background:rgba(10,10,15,.95);backdrop-filter:blur(20px);padding:0 28px;max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
  .nav-links.open{max-height:360px;padding:16px 28px 28px}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}
  .menu-btn{display:flex}
  .about-grid{grid-template-columns:1fr;gap:30px}
  .section{padding:80px 0}
  .footer{flex-direction:column;gap:14px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}