:root{
  --bg:#0a0b0d;
  --surface:#0f1216;
  --card:#11151b;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#e9ecef;
  --muted:#98a2b0;
  --accent:#5eead4;
  --accent-2:#818cf8;
  --radius:18px;
  --max:1120px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,ul,pre{margin:0}
ul{padding:0;list-style:none}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 28px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--accent);color:#04120f;padding:10px 16px;border-radius:0 0 10px 0;
}
.skip:focus{left:0}

.eyebrow{
  display:flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);
}
.pulse{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(94,234,212,.14);
}

.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  background:rgba(10,11,13,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,background .3s ease;
}
.nav.is-scrolled{border-bottom-color:var(--line);background:rgba(10,11,13,.88)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;font-weight:600;letter-spacing:.02em}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(140deg,var(--accent),var(--accent-2));
  color:#05130f;font-family:var(--mono);font-weight:700;
}
.brand-name{font-size:15px}
.nav-links{display:flex;gap:30px}
.nav-links a{
  position:relative;font-size:14px;color:var(--muted);
  transition:color .2s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1px;
  background:var(--accent);transition:right .25s ease;
}
.nav-links a:hover::after{right:0}

.hero{position:relative;padding:150px 0 96px;overflow:hidden}
.hero-glow{
  position:absolute;inset:-20% -10% auto -10%;height:640px;pointer-events:none;
  background:
    radial-gradient(46% 42% at 22% 26%,rgba(94,234,212,.15),transparent 70%),
    radial-gradient(42% 40% at 78% 12%,rgba(129,140,248,.16),transparent 70%);
  filter:blur(8px);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:64px;align-items:center;
}
.hero-grid>*,.about-grid>*,.grid-projects>*{min-width:0}
.hero-title{
  margin:22px 0 0;
  font-size:clamp(44px,7vw,76px);
  line-height:1.05;letter-spacing:-.03em;font-weight:700;
}
.hero-sub{
  margin-top:18px;font-size:clamp(18px,2.2vw,22px);color:#cfd6de;
  letter-spacing:.01em;
}
.hero-text{margin-top:18px;max-width:46ch;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 22px;border-radius:12px;
  font-size:14px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(140deg,#7cf2dd,#8f98ff);color:#06140f}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text);font-family:inherit}
.btn-ghost:hover{border-color:rgba(94,234,212,.55);color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px 34px;margin-top:44px;
  padding-top:24px;border-top:1px solid var(--line);
  font-size:13px;color:#c9d1da;
}
.hero-meta li{display:flex;gap:10px}
.hero-meta span{color:var(--muted)}

.code-card{
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  box-shadow:0 30px 60px -30px rgba(0,0,0,.9);
  overflow:hidden;
}
.code-head{
  display:flex;align-items:center;gap:7px;
  padding:13px 16px;border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.02);
}
.code-head i{width:9px;height:9px;border-radius:50%;background:#2b323b}
.code-head i:nth-child(1){background:#3d4753}
.code-head span{margin-left:10px;font:12px/1 var(--mono);color:var(--muted)}
.code-body{
  padding:20px 18px 22px;font:13.5px/1.95 var(--mono);
  color:#c6ced8;overflow-x:auto;
}
.c-key{color:#f0a3ff}
.c-prop{color:#8fd3ff}
.c-str{color:#7fe3c2}
.code-foot{
  display:flex;align-items:center;gap:8px;
  padding:11px 16px;border-top:1px solid var(--line);
  font:12px/1 var(--mono);color:var(--muted);
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}

.section{padding:96px 0;border-top:1px solid var(--line)}
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.022),transparent 60%)}
.section-head{max-width:620px;margin-bottom:44px}
.section h2{
  margin:14px 0 0;font-size:clamp(26px,3.6vw,38px);
  line-height:1.25;letter-spacing:-.02em;font-weight:700;
}
.section-lead{margin-top:14px;color:var(--muted)}

.grid-projects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.project{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.project:hover{
  transform:translateY(-4px);border-color:rgba(94,234,212,.32);
  box-shadow:0 24px 50px -32px rgba(94,234,212,.35);
}
.thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  border-bottom:1px solid var(--line);background:#0c1014;
}
.thumb::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(circle at 30% 20%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 30% 20%,#000,transparent 72%);
}
.thumb-1{background:radial-gradient(110% 110% at 12% 8%,rgba(94,234,212,.34),transparent 62%),radial-gradient(110% 110% at 92% 96%,rgba(129,140,248,.28),transparent 60%),#0c1014}
.thumb-2{background:radial-gradient(110% 110% at 88% 6%,rgba(255,196,120,.3),transparent 62%),radial-gradient(110% 110% at 6% 96%,rgba(240,163,255,.22),transparent 60%),#0c1014}
.thumb-3{background:radial-gradient(110% 110% at 8% 92%,rgba(143,211,255,.3),transparent 62%),radial-gradient(110% 110% at 88% 10%,rgba(94,234,212,.22),transparent 60%),#0c1014}
.thumb-4{background:radial-gradient(110% 110% at 50% 0%,rgba(129,140,248,.3),transparent 62%),radial-gradient(110% 110% at 10% 96%,rgba(94,234,212,.2),transparent 60%),#0c1014}
.thumb-num{
  position:absolute;right:20px;bottom:12px;
  font:600 52px/1 var(--mono);color:rgba(255,255,255,.14);letter-spacing:-.04em;
}
.thumb-bar{
  position:absolute;top:14px;left:16px;z-index:1;
  display:flex;align-items:center;gap:6px;
}
.thumb-bar i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.16)}
.thumb-bar i:first-child{background:rgba(255,255,255,.3)}
.thumb-bar em{
  margin-left:8px;font:11px/1 var(--mono);font-style:normal;
  color:rgba(255,255,255,.42);letter-spacing:.04em;
}
.project-body{padding:22px 24px 26px}
.project-body h3{font-size:19px;letter-spacing:-.01em}
.project-body p{margin-top:10px;font-size:14.5px;color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tags li{
  padding:4px 11px;border-radius:999px;border:1px solid var(--line);
  font-size:12px;color:#b9c2cd;background:rgba(255,255,255,.02);
}

.about-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:64px;align-items:start}
.about-copy p{margin-top:16px;color:var(--muted);max-width:52ch}
.about-copy h2{margin-top:14px}
.facts{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);overflow:hidden;
}
.facts li{
  display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);font-size:14px;
}
.facts li:last-child{border-bottom:0}
.facts span{color:var(--muted)}
.facts strong{font-weight:600;text-align:right}
.facts .ok{color:var(--accent)}

.contact{text-align:center;display:flex;flex-direction:column;align-items:center}
.contact .eyebrow{justify-content:center}
.contact h2{max-width:16ch}
.contact .section-lead{margin-top:14px}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px}
.contact-note{margin-top:22px;font-size:13px;color:var(--muted)}

.footer{border-top:1px solid var(--line);padding:28px 0}
.footer-inner{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:var(--muted)}
.footer a{transition:color .2s ease}
.footer a:hover{color:var(--accent)}

.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .65s ease,transform .65s ease}
.js .reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .project,.nav,.btn{transition:none}
}

@media (max-width:960px){
  .hero{padding:124px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .code-card{max-width:520px}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .grid-projects{grid-template-columns:1fr;gap:18px}
  .section{padding:72px 0}
}

@media (max-width:600px){
  .wrap{padding:0 20px}
  .nav-links{gap:20px}
  .nav-inner{height:60px}
  .brand-name{display:none}
  .hero{padding:108px 0 60px}
  .hero-meta{gap:10px 22px;margin-top:32px}
  .hero-meta li{width:100%}
  .section-head{margin-bottom:32px}
  .project-body{padding:18px 20px 22px}
  .code-body{font-size:12px}
  .footer-inner{flex-direction:column}
}