/* ---------- theme tokens ---------- */
:root{
  --bg:#0c1020; --bg2:#121730; --card:#161c33; --line:#262e4d;
  --text:#eef0f8; --muted:#9aa2c0;
  --cyan:#4de3ff; --violet:#a58bff; --ember:#ff8a3d; --gold:#e8c26a; --green:#3ddc97; --orange:#ff6b3d;
  --on-accent:#001018; --glow:rgba(77,227,255,.12); --net-line:77,227,255; --net-dot:165,139,255;
  --nav-bg:rgba(12,16,32,.6); --shadow:0 30px 80px -30px rgba(77,227,255,.3);
  --radius:18px;
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#f6f7fc; --bg2:#eceffa; --card:#ffffff; --line:#dde1f0;
  --text:#141833; --muted:#5b6385;
  --cyan:#0a9cc2; --violet:#6b4cf0; --ember:#e8621a; --gold:#b8862b; --green:#14a86b; --orange:#e8521f;
  --on-accent:#ffffff; --glow:rgba(107,76,240,.08); --net-line:10,156,194; --net-dot:107,76,240;
  --nav-bg:rgba(246,247,252,.75); --shadow:0 30px 60px -30px rgba(40,50,120,.25);
  color-scheme:light;
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f6f7fc; --bg2:#eceffa; --card:#ffffff; --line:#dde1f0;
    --text:#141833; --muted:#5b6385;
    --cyan:#0a9cc2; --violet:#6b4cf0; --ember:#e8621a; --gold:#b8862b; --green:#14a86b; --orange:#e8521f;
    --on-accent:#ffffff; --glow:rgba(107,76,240,.08); --net-line:10,156,194; --net-dot:107,76,240;
    --nav-bg:rgba(246,247,252,.75); --shadow:0 30px 60px -30px rgba(40,50,120,.25);
    color-scheme:light;
  }
}

*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Space Grotesk',system-ui,sans-serif;line-height:1.6;overflow-x:hidden;transition:background .4s,color .4s}
a{color:inherit}
::selection{background:var(--cyan);color:var(--on-accent)}

/* ---------- chrome ---------- */
#progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--cyan),var(--violet),var(--ember));z-index:100}
#glow{position:fixed;width:440px;height:440px;border-radius:50%;pointer-events:none;z-index:0;background:radial-gradient(circle,var(--glow),transparent 60%);transform:translate(-50%,-50%)}
nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:16px clamp(16px,5vw,64px);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);background:var(--nav-bg);border-bottom:1px solid transparent;transition:border-color .3s,background .4s}
nav.scrolled{border-color:var(--line)}
.logo{font-family:'JetBrains Mono',monospace;font-weight:600;text-decoration:none}
.logo span{color:var(--cyan)}
nav ul{display:flex;gap:24px;list-style:none}
nav ul a{text-decoration:none;color:var(--muted);font-size:.93rem;position:relative;transition:color .2s}
nav ul a::after{content:"";position:absolute;inset-inline-start:0;bottom:-4px;height:2px;width:0;background:var(--cyan);transition:width .3s}
nav ul a:hover,nav ul a.active{color:var(--text)} nav ul a:hover::after,nav ul a.active::after{width:100%}
.nav-r{display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--text);display:grid;place-items:center;cursor:pointer;transition:transform .3s,border-color .2s}
.icon-btn:hover{border-color:var(--cyan)}
#themeBtn:active{transform:rotate(90deg)}
#themeBtn .sun{display:none}
:root[data-theme="light"] #themeBtn .sun{display:block}:root[data-theme="light"] #themeBtn .moon{display:none}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]) #themeBtn .sun{display:block}:root:not([data-theme="dark"]) #themeBtn .moon{display:none}}
#menuBtn{display:none}
.burger{position:relative;width:18px;height:14px}
.burger i{position:absolute;left:0;right:0;height:2px;border-radius:2px;background:currentColor;transition:transform .3s,opacity .2s}
.burger i:nth-child(1){top:0}.burger i:nth-child(2){top:6px}.burger i:nth-child(3){top:12px}
#menuBtn.x .burger i:nth-child(1){transform:translateY(6px) rotate(45deg)}
#menuBtn.x .burger i:nth-child(2){opacity:0}
#menuBtn.x .burger i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:1180px){
  #menuBtn{display:grid}
  nav ul{position:fixed;top:72px;left:16px;right:16px;flex-direction:column;gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:8px;
    opacity:0;pointer-events:none;transform:translateY(-10px);transition:all .25s;box-shadow:var(--shadow)}
  nav ul.open{opacity:1;pointer-events:auto;transform:none}
  nav ul a{display:block;padding:12px 14px;font-size:1rem}
  nav ul a::after{display:none}
  nav ul li{opacity:0;transform:translateX(-10px);transition:opacity .3s,transform .3s}
  nav ul.open li{opacity:1;transform:none}
  nav ul a:hover,nav ul a.active{background:var(--bg2);border-radius:10px}
}

section{position:relative;z-index:1;padding:110px clamp(16px,6vw,96px);max-width:1240px;margin:0 auto}
.eyebrow{font-family:'JetBrains Mono',monospace;color:var(--cyan);font-size:.82rem;letter-spacing:2px;text-transform:uppercase}
h2{font-size:clamp(2rem,5vw,3.3rem);line-height:1.1;margin:10px 0 20px}
.lead{color:var(--muted);font-size:1.1rem;max-width:680px}
.band{background:var(--bg2);max-width:none;transition:background .4s}
.band > .inner{max-width:1240px;margin:0 auto}

.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);transition:background .4s,border-color .3s}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font-family:'JetBrains Mono',monospace;font-size:.75rem;padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 24px;border-radius:999px;text-decoration:none;font:inherit;font-weight:500;cursor:pointer;
  border:1px solid var(--line);background:var(--card);color:var(--text);transition:transform .2s,border-color .2s,background .2s}
.btn:hover{transform:translateY(-3px);border-color:var(--cyan)}
.btn.primary{background:var(--cyan);color:var(--on-accent);border-color:var(--cyan)}
.btn svg{width:18px;height:18px;flex:none}
.ticks{list-style:none;margin:16px 0}
.ticks li{padding-inline-start:22px;position:relative;margin:8px 0}
.ticks li::before{content:"▸";position:absolute;inset-inline-start:0;color:var(--cyan)}

/* ---------- hero ---------- */
#hero{min-height:100vh;max-width:none;display:flex;flex-direction:column;justify-content:center;padding-top:140px}
#net{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero-inner{max-width:1100px;margin:0 auto;width:100%}
.hello{font-family:'JetBrains Mono',monospace;color:var(--muted)}
.name{font-size:clamp(3rem,11vw,8.5rem);font-weight:700;line-height:.95;letter-spacing:-2px;margin:12px 0}
.name .ch{display:inline-block;opacity:0;transform:translateY(80px) rotate(8deg);animation:rise .9s cubic-bezier(.2,.8,.2,1) forwards}
.name .grad .ch{background:linear-gradient(90deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
@keyframes rise{to{opacity:1;transform:none}}
.role{font-size:clamp(1.15rem,3vw,1.9rem);color:var(--muted);min-height:1.6em}
.role b{color:var(--text);font-weight:500}
.caret{display:inline-block;width:3px;height:1em;background:var(--cyan);vertical-align:-3px;margin-left:4px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.now{display:inline-flex;align-items:center;gap:10px;margin-top:22px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:.9rem}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 var(--green);animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(61,220,151,.6)}100%{box-shadow:0 0 0 10px rgba(61,220,151,0)}}
.cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.scroll-hint{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);width:26px;height:42px;border:2px solid var(--muted);border-radius:14px}
.scroll-hint::after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--cyan);animation:wheel 1.8s infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ---------- about ---------- */
.two{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
@media(max-width:900px){.two{grid-template-columns:1fr}}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:30px}
.stat{padding:20px}
.stat .num{font-size:2.4rem;font-weight:700;color:var(--cyan);line-height:1}
.stat .lbl{color:var(--muted);font-size:.9rem;margin-top:6px}
.code{background:#0a0d1a;border:1px solid #232a45;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);color:#e8eaf2}
.code-bar{display:flex;gap:8px;padding:12px 16px;border-bottom:1px solid #232a45;align-items:center}
.code-bar i{width:12px;height:12px;border-radius:50%;background:#ff5f57}.code-bar i:nth-child(2){background:#febc2e}.code-bar i:nth-child(3){background:#28c840}
.code-bar span{margin-left:auto;font-family:'JetBrains Mono',monospace;font-size:.8rem;color:#8a90a6}
.code pre{padding:20px;font-family:'JetBrains Mono',monospace;font-size:clamp(.72rem,1.4vw,.88rem);line-height:1.75;min-height:290px;white-space:pre-wrap;word-break:break-word}
.code .caret{background:#4de3ff}
.k{color:#c792ea}.t{color:#ffcb6b}.s{color:#c3e88d}.f{color:#82aaff}.c{color:#637089;font-style:italic}

/* ---------- experience ---------- */
.exp-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px}
.exp-head h3{font-size:1.5rem}
.exp-co{color:var(--ember);font-weight:500}
.when{font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--muted)}
.dash{background:#0a0d1a;border:1px solid #232a45;border-radius:var(--radius);padding:18px;color:#e8eaf2;font-family:'JetBrains Mono',monospace;font-size:.78rem;box-shadow:var(--shadow)}
.dash-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;color:#8a90a6}
.dash-top b{color:#3ddc97;font-weight:600;display:flex;align-items:center;gap:8px}
.panels{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.panel{border:1px solid #232a45;border-radius:12px;padding:12px;background:#0f1324}
.panel h4{font-weight:600;font-size:.72rem;color:#8a90a6;letter-spacing:1px;margin-bottom:8px;display:flex;justify-content:space-between}
.panel h4 i{width:8px;height:8px;border-radius:50%;background:#3ddc97;box-shadow:0 0 8px #3ddc97;align-self:center}
.panel canvas{width:100%;height:46px;display:block}
.jobs{margin-top:10px;border:1px solid #232a45;border-radius:12px;padding:12px;background:#0f1324}
.job{display:flex;align-items:center;gap:10px;margin:6px 0}
.job span{width:110px;color:#8a90a6;flex:none}
.job .track{flex:1;height:6px;background:#232a45;border-radius:3px;overflow:hidden}
.job .track i{display:block;height:100%;width:0;background:linear-gradient(90deg,#4de3ff,#a58bff);border-radius:3px}
.job em{font-style:normal;width:34px;text-align:right;color:#3ddc97}

/* ---------- education timeline ---------- */
.timeline{position:relative;margin-top:50px;padding-inline-start:40px}
.timeline .rail{position:absolute;inset-inline-start:11px;top:0;bottom:0;width:2px;background:var(--line)}
.timeline .fill{position:absolute;inset-inline-start:11px;top:0;width:2px;height:0;background:linear-gradient(var(--cyan),var(--violet),var(--ember))}
.step{position:relative;margin-bottom:48px}
.step:last-child{margin-bottom:0}
.step::before{content:"";position:absolute;inset-inline-start:-36px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:2px solid var(--line);transition:all .4s}
.step.lit::before{border-color:var(--cyan);background:var(--cyan);box-shadow:0 0 0 6px var(--glow),0 0 16px var(--cyan)}
.step .when{color:var(--cyan)}
.step h3{font-size:1.35rem;margin:4px 0 6px}
.step p{color:var(--muted);max-width:640px}

/* ---------- project layouts ---------- */
.proj{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-top:50px}
.proj.flip .vis{order:2}
@media(max-width:900px){.proj{grid-template-columns:1fr}.proj.flip .vis{order:0}}
.vis{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:#000;box-shadow:var(--shadow)}
.proj h3{font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.15;margin:8px 0 12px}
.proj p{color:var(--muted);margin-bottom:12px}

/* OCR */
.ocr-wrap{aspect-ratio:auto;padding:36px 0;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at 50% 30%,#1a2a4d,#070a14 70%)}
.phone{position:relative;width:min(70%,250px);aspect-ratio:9/18;border-radius:34px;border:8px solid #1b1f2d;background:#000;overflow:hidden;box-shadow:0 30px 80px -20px rgba(77,227,255,.35)}
.cam{position:absolute;inset:0;background:linear-gradient(160deg,#3a3f4f,#1a1c25 60%,#111)}
.cam::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.02) 0 2px,transparent 2px 6px)}
.sign{position:absolute;left:10%;right:10%;top:34%;padding:14px 10px;border-radius:6px;background:#0d4d2e;border:3px solid #e9f2ec;color:#fff;font-weight:700;text-align:center;font-size:clamp(.75rem,2.2vw,.95rem);line-height:1.3;transform:rotate(-3deg);box-shadow:0 10px 30px rgba(0,0,0,.6);animation:hand 5s ease-in-out infinite;word-break:break-word}
.sign.long{font-size:clamp(.62rem,1.8vw,.78rem)}
.sign .ph{opacity:.55;font-weight:500;font-style:italic}
@keyframes hand{0%,100%{transform:rotate(-3deg) translate(0,0)}25%{transform:rotate(-2.3deg) translate(2px,-1px)}50%{transform:rotate(-3.5deg) translate(-1px,2px)}75%{transform:rotate(-2.7deg) translate(-2px,-1px)}}
.sign .w{position:relative;display:inline-block;margin:0 2px}
.sign .w::after{content:"";position:absolute;inset:-2px -3px;border:1.5px solid #4de3ff;border-radius:3px;opacity:0;transform:scale(1.3);transition:all .25s;transition-delay:calc(var(--i,0) * 45ms)}
.sign.boxed .w::after{opacity:1;transform:none}
.overlay{position:absolute;left:8%;right:8%;top:60%;padding:10px 12px;border-radius:12px;background:rgba(10,14,24,.85);border:1px solid rgba(77,227,255,.5);color:#fff;
  font-size:clamp(.75rem,2.1vw,.9rem);text-align:center;opacity:0;transform:translateY(12px);transition:all .5s;backdrop-filter:blur(6px)}
.overlay.show{opacity:1;transform:none}
.overlay.busy span{opacity:.45;transition:opacity .2s}
.overlay small{display:block;font-family:'JetBrains Mono',monospace;color:#4de3ff;font-size:.62rem;letter-spacing:1px;margin-bottom:3px}
.scan{position:absolute;left:4%;right:4%;height:2px;top:26%;background:#4de3ff;box-shadow:0 0 16px 4px rgba(77,227,255,.6);animation:scanloop 1.8s ease-in-out infinite}
@keyframes scanloop{0%{top:26%;opacity:0}12%{opacity:1}88%{opacity:1}100%{top:62%;opacity:0}}
.grain{position:absolute;inset:-20%;background:repeating-radial-gradient(circle at 30% 40%,rgba(255,255,255,.04) 0 1px,transparent 1px 3px);animation:grain .35s steps(3) infinite}
@keyframes grain{33%{transform:translate(-3%,2%)}66%{transform:translate(2%,-3%)}}
.hud-bot{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:6px;font-family:'JetBrains Mono',monospace;font-size:.58rem;color:#fff;z-index:2}
.hud-bot span{background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.2);padding:4px 9px;border-radius:999px}
.phone-top{position:absolute;top:0;left:0;right:0;padding:12px;display:flex;justify-content:space-between;font-family:'JetBrains Mono',monospace;font-size:.6rem;color:#fff;z-index:2}
.live{display:flex;align-items:center;gap:5px}.live::before{content:"";width:6px;height:6px;border-radius:50%;background:#ff3b3b;animation:blink 1s infinite}
.corners{position:absolute;left:6%;right:6%;top:28%;height:30%}
.corners i{position:absolute;width:18px;height:18px;border-color:#fff;border-style:solid;opacity:.8}
.corners i:nth-child(1){top:0;left:0;border-width:2px 0 0 2px}.corners i:nth-child(2){top:0;right:0;border-width:2px 2px 0 0}
.corners i:nth-child(3){bottom:0;left:0;border-width:0 0 2px 2px}.corners i:nth-child(4){bottom:0;right:0;border-width:0 2px 2px 0}
.langs{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.langs button{font:inherit;font-size:.85rem;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--text);cursor:pointer;transition:all .2s}
.langs button:hover{border-color:var(--cyan)}
.langs button.on{background:var(--cyan);color:var(--on-accent);border-color:var(--cyan)}
.pipe{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:16px;font-family:'JetBrains Mono',monospace;font-size:.76rem}
.pipe .node{padding:8px 12px;border-radius:10px;border:1px solid var(--line);background:var(--card);transition:all .3s}
.pipe .node.hot{border-color:var(--cyan);box-shadow:0 0 18px var(--glow);color:var(--cyan)}
.pipe .arr{color:var(--muted)}
.seg{display:inline-flex;flex-wrap:wrap;padding:4px;border-radius:999px;border:1px solid var(--line);background:var(--card);gap:4px}
.seg button{font:inherit;font-size:.88rem;padding:8px 16px;border-radius:999px;border:0;background:transparent;color:var(--muted);cursor:pointer;transition:all .2s}
.seg button.on{background:var(--cyan);color:var(--on-accent)}
.ocr-ctl{margin:4px 0 12px}
.btn.sm{padding:9px 16px;font-size:.9rem}
.own textarea{width:100%;font:inherit;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-height:76px;resize:vertical;outline:none;transition:border-color .2s,box-shadow .2s}
.own textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 4px var(--glow)}
.own .meta{display:flex;justify-content:space-between;gap:10px;font-size:.78rem;color:var(--muted);margin-top:4px}
.ctl-label{color:var(--text);margin-top:14px}
.arch{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:40px}
@media(max-width:800px){.arch{grid-template-columns:1fr}}
.arch .card{padding:22px}
.arch h4{font-size:1.05rem;margin-bottom:6px}
.arch p{color:var(--muted);font-size:.93rem}
.arch .tag{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--cyan);letter-spacing:1px}

/* games */
.games h2,.games .proj h3{font-family:'Cinzel',serif}
.games .eyebrow{color:var(--ember)}
.games .ticks li::before{color:var(--ember)}
.me{background:radial-gradient(ellipse at 50% 120%,#3b0d02 0%,#120402 45%,#000 75%)}
.me canvas{position:absolute;inset:0;width:100%;height:100%}
.eye{position:absolute;left:50%;top:38%;width:46%;aspect-ratio:2.2/1;transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(ellipse at center,#fff6c2 0%,#ffb300 18%,#ff5a00 40%,#7a1200 65%,transparent 72%);filter:blur(1px);animation:pulse 3.5s ease-in-out infinite;box-shadow:0 0 120px 30px rgba(255,90,0,.35)}
.eye::after{content:"";position:absolute;left:50%;top:50%;width:7%;height:78%;transform:translate(-50%,-50%);background:#000;border-radius:50%;box-shadow:0 0 10px 2px #000;animation:pupil 6s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:translate(-50%,-50%) scale(1)}50%{transform:translate(-50%,-50%) scale(1.06)}}
@keyframes pupil{0%,100%{transform:translate(-50%,-50%)}30%{transform:translate(-180%,-50%)}60%{transform:translate(120%,-50%)}}
.me-title{position:absolute;left:0;right:0;bottom:16%;text-align:center;font-family:'Cinzel',serif;color:#e8c26a;letter-spacing:6px;font-size:clamp(.85rem,2vw,1.15rem);text-shadow:0 0 20px rgba(255,140,0,.6)}
.mountains{position:absolute;left:0;right:0;bottom:0;height:36%}
.pov{background:#05070f}
.pov svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.pov .flame{transform-box:fill-box;transform-origin:50% 100%;animation:flick .22s infinite alternate}
@keyframes flick{to{transform:scaleY(1.2) scaleX(.85);opacity:.85}}
.pov .vic{font-family:'Cinzel',serif;font-weight:700;font-size:40px;letter-spacing:7px;fill:#f3d27a}
.pov .vic-sub{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:4px;fill:#ffd9a0}
.hud{position:absolute;inset:14px;border:1px solid rgba(77,227,255,.25);border-radius:12px;pointer-events:none;font-family:'JetBrains Mono',monospace;font-size:.72rem;color:#4de3ff}
.hud span{position:absolute;padding:10px}.hud .tl{top:0;left:0}.hud .tr{top:0;right:0}.hud .bl{bottom:0;left:0}
.engines{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:50px}
@media(max-width:800px){.engines{grid-template-columns:1fr}}
.engine{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;padding:24px}
.engine-logo{width:64px;height:64px;color:var(--text);transition:transform .4s cubic-bezier(.2,.8,.2,1)}
.engine:hover .engine-logo{transform:scale(1.08)}
.engine h3{font-size:1.25rem;margin-bottom:4px}
.engine p{color:var(--muted)}
@media(max-width:600px){.engine{gap:16px;padding:20px}.engine-logo{width:52px;height:52px}}

/* data + web cards */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
@media(max-width:900px){.duo{grid-template-columns:1fr}}
.duo > .card{padding:24px;overflow:hidden}
.duo h3{font-size:1.35rem;margin:6px 0 8px}
.duo p{color:var(--muted)}
.mini{border-radius:14px;border:1px solid var(--line);background:var(--bg);aspect-ratio:16/9;margin-bottom:20px;position:relative;overflow:hidden}
.chart svg{width:100%;height:100%;display:block}
.chart .b{transform-origin:bottom;transform-box:fill-box;transform:scaleY(0);transition:transform 1s cubic-bezier(.2,.8,.2,1)}
.chart .ln{stroke-dasharray:600;stroke-dashoffset:600;transition:stroke-dashoffset 2s ease .6s}
.in .chart .b{transform:scaleY(1)} .in .chart .ln{stroke-dashoffset:0}
.browser .bar{height:26px;background:var(--bg2);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:6px;padding:0 10px}
.browser .bar i{width:8px;height:8px;border-radius:50%;background:var(--line)}
.browser .bar span{margin-left:8px;font-family:'JetBrains Mono',monospace;font-size:.62rem;color:var(--muted)}
.court{position:absolute;inset:26px 0 22% 0;background:radial-gradient(circle at 80% 20%,#2c3f86,transparent 60%),linear-gradient(135deg,#1c2a5e,#0d1430);display:flex;flex-direction:column;justify-content:center;padding:0 7%;color:#fff;overflow:hidden}
.court::before{content:"";position:absolute;right:-14%;top:50%;width:56%;aspect-ratio:1;border:2px solid rgba(255,255,255,.18);border-radius:50%;transform:translateY(-50%)}
.court::after{content:"";position:absolute;right:28%;top:0;bottom:0;width:2px;background:rgba(255,255,255,.18)}
.court b{font-size:clamp(1rem,3vw,1.5rem);line-height:1.1;position:relative;z-index:1;letter-spacing:.5px}
.court small{opacity:.8;font-size:.75rem;position:relative;z-index:1}
.court .pill{margin-top:10px;align-self:flex-start;background:#ef7a2c;color:#fff;font-size:.7rem;font-weight:700;padding:5px 12px;border-radius:999px;position:relative;z-index:1}
.floor{position:absolute;left:0;right:0;bottom:0;height:22%;
  background:repeating-linear-gradient(90deg,rgba(80,40,10,.22) 0 1px,transparent 1px 46px),repeating-linear-gradient(90deg,transparent 0 23px,rgba(255,255,255,.05) 23px 46px),linear-gradient(#dba56b,#b77a3f);
  border-top:2px solid rgba(255,255,255,.55)}
.floor::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.25),transparent 40%)}
.ballcv{position:absolute;left:0;right:0;top:26px;bottom:0;width:100%;height:calc(100% - 26px);pointer-events:none;z-index:2}
.other{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
@media(max-width:800px){.other{grid-template-columns:1fr}}
.other .card{padding:20px}
.other h4{margin-bottom:4px}
.other p{color:var(--muted);font-size:.92rem}

/* skills (simple) */
.skillrows{margin-top:30px;display:grid;gap:18px}
.skillrow{display:grid;grid-template-columns:200px 1fr;gap:16px;align-items:start;padding-bottom:18px;border-bottom:1px solid var(--line)}
.skillrow:last-child{border-bottom:0}
.skillrow h3{color:var(--muted);font-size:1rem;font-weight:500;padding-top:6px}
.skillrow .chips{margin-top:0}
@media(max-width:700px){.skillrow{grid-template-columns:1fr;gap:8px}}

/* ---------- playground ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:30px 0 14px}
.tabs button{font:inherit;font-size:.92rem;padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--text);cursor:pointer;transition:all .2s}
.tabs button:hover{border-color:var(--cyan)}
.tabs button.on{background:var(--text);color:var(--bg);border-color:var(--text)}
.game{padding:22px}
.pane{display:none}.pane.on{display:block;animation:paneIn .4s ease}
@keyframes paneIn{from{opacity:0;transform:translateY(8px)}}
.gbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px}
.gbar .btn{padding:9px 16px;font-size:.9rem}
.gbar select{font:inherit;font-size:.9rem;padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--text)}
.gbar label{display:flex;align-items:center;gap:8px}
.gnote{color:var(--muted);font-size:.92rem}
.lanes{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:700px){.lanes{grid-template-columns:1fr}}
.lane{border:1px solid var(--line);border-radius:14px;padding:12px;background:var(--bg);transition:border-color .3s,box-shadow .3s}
.lane select{font:inherit;font-size:.92rem;padding:7px 10px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--text);margin-bottom:10px}
.lane canvas{width:100%;height:170px;display:block}
.lane .st{font-family:'JetBrains Mono',monospace;font-size:.74rem;color:var(--muted);margin-top:8px}
.lane.win{border-color:var(--green);box-shadow:0 0 0 3px rgba(61,220,151,.18)}
.banner{margin-top:14px;font-weight:500;min-height:1.6em}
#grid{width:100%;display:block;border-radius:12px;border:1px solid var(--line);cursor:crosshair;touch-action:none;background:var(--bg)}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:.82rem;color:var(--muted);margin-top:10px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:-2px;margin-right:5px}
.quiz pre{background:#0a0d1a;color:#e8eaf2;border:1px solid #232a45;border-radius:12px;padding:16px;font-family:'JetBrains Mono',monospace;font-size:.85rem;line-height:1.6;overflow-x:auto;margin-bottom:14px;white-space:pre}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts button{font-family:'JetBrains Mono',monospace;font-size:.9rem;padding:10px 16px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);cursor:pointer;transition:all .2s}
.opts button:hover:not(:disabled){border-color:var(--cyan);transform:translateY(-2px)}
.opts button:disabled{cursor:default}
.opts button.right{background:var(--green);border-color:var(--green);color:#002414}
.opts button.wrong{background:var(--orange);border-color:var(--orange);color:#fff;animation:shake .4s}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.explain{margin-top:12px;color:var(--muted);min-height:1.5em}
.score{font-family:'JetBrains Mono',monospace;font-size:.85rem;color:var(--muted)}
.rng{position:relative;height:44px;border-radius:12px;background:var(--bg);border:1px solid var(--line);overflow:hidden;margin:16px 0 6px}
.rng-live{position:absolute;top:0;bottom:0;background:linear-gradient(90deg,var(--cyan),var(--violet));opacity:.35;transition:left .5s cubic-bezier(.2,.8,.2,1),width .5s cubic-bezier(.2,.8,.2,1)}
.rng-mark{position:absolute;top:0;bottom:0;width:3px;margin-left:-1px;background:var(--text);opacity:0;transition:left .4s,opacity .3s}
.rng-lbl{display:flex;justify-content:space-between;font-family:'JetBrains Mono',monospace;font-size:.75rem;color:var(--muted);margin-bottom:12px}
.guessrow{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.guessrow input{width:130px;font:inherit;font-size:1.1rem;padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);outline:none}
.guessrow input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px var(--glow)}
.feedback{font-size:1.15rem;font-weight:500;margin-top:14px;min-height:1.6em}
.hist{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.hist span{font-family:'JetBrains Mono',monospace;font-size:.78rem;padding:4px 10px;border-radius:999px;border:1px solid var(--line)}
.hist .hi{color:var(--orange)}.hist .lo{color:var(--cyan)}.hist .ok{background:var(--green);color:#002414;border-color:var(--green)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:start;margin-top:30px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.big{font-size:clamp(2.4rem,7vw,5rem);font-weight:700;line-height:1;letter-spacing:-2px;margin:10px 0 18px}
.big span{background:linear-gradient(90deg,var(--cyan),var(--violet),var(--ember),var(--cyan));background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:flow 6s linear infinite}
@keyframes flow{to{background-position:300% 0}}
.links{display:grid;gap:12px;margin-top:26px}
.link{display:flex;align-items:center;gap:16px;padding:16px 18px;text-decoration:none;position:relative;overflow:hidden}
.link:hover{border-color:var(--cyan);transform:translateX(4px)}
.link{transition:transform .25s,border-color .25s,background .4s}
.link .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--bg2);color:var(--cyan);flex:none}
.link .ic svg{width:22px;height:22px}
.link b{display:block;font-weight:500}
.link small{color:var(--muted);font-size:.85rem;word-break:break-all}
.link .go{margin-inline-start:auto;color:var(--muted);transition:transform .25s}
.link:hover .go{transform:translateX(4px);color:var(--cyan)}
.copy{margin-inline-start:auto;font:inherit;font-size:.78rem;font-family:'JetBrains Mono',monospace;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--bg2);color:var(--text);cursor:pointer;flex:none}
.copy:hover{border-color:var(--cyan)}
form.card{padding:26px}
form h3{font-size:1.3rem;margin-bottom:4px}
form > p{color:var(--muted);font-size:.92rem;margin-bottom:18px}
.field{position:relative;margin-bottom:16px}
.field input,.field textarea,.field select{width:100%;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:20px 14px 8px;outline:none;transition:border-color .2s,box-shadow .2s;resize:vertical}
.field select{padding:20px 12px 8px;appearance:none;cursor:pointer}
.field textarea{min-height:120px}
.field label{position:absolute;inset-inline-start:15px;top:14px;color:var(--muted);font-size:.95rem;pointer-events:none;transition:all .2s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 4px var(--glow)}
.field input:focus + label,.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,.field textarea:not(:placeholder-shown) + label,.field select + label{top:5px;font-size:.7rem;letter-spacing:.5px;color:var(--cyan)}
.form-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.form-foot small{color:var(--muted);font-size:.85rem}
.form-foot small.err{color:var(--orange)}
.form-foot small a{color:var(--cyan)}
#msgForm{position:relative}
.field.bad input,.field.bad textarea{border-color:var(--orange)}
.fallback{display:none;margin-top:16px;padding:14px;border-radius:12px;border:1px dashed var(--line);font-size:.9rem;color:var(--muted)}
.fallback.show{display:block;animation:paneIn .4s ease}
.fallback .row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.fallback .btn{padding:8px 14px;font-size:.85rem}
.emailnow{padding:22px;display:grid;gap:14px;border:1px solid transparent;
  background:linear-gradient(var(--card),var(--card)) padding-box,linear-gradient(120deg,var(--cyan),var(--violet),var(--ember)) border-box}
.emailnow b{font-size:1.15rem;display:block;margin-bottom:2px}
.emailnow small{color:var(--muted);font-size:.92rem}
.emailnow .row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px}
.emailnow .btn.primary svg{animation:wiggle 2.6s ease-in-out infinite}
@keyframes wiggle{0%,80%,100%{transform:none}85%{transform:rotate(-14deg)}90%{transform:rotate(10deg)}95%{transform:rotate(-6deg)}}
.emailnow .alt{font-size:.85rem;color:var(--muted)}
.emailnow .alt a{color:var(--cyan)}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,30px);opacity:0;background:var(--text);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:.9rem;z-index:200;transition:all .3s;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}
footer{text-align:center;color:var(--muted);font-size:.85rem;padding:30px 16px 40px;border-top:1px solid var(--line);position:relative;z-index:1}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- utilities (replace inline styles so the CSP can forbid them) ---------- */
.mt30{margin-top:30px}.mt12{margin-top:12px}
.gbar.between{justify-content:space-between}
a.plain{text-decoration:none;min-width:0}
.chart .b:nth-child(1){transition-delay:.05s}.chart .b:nth-child(2){transition-delay:.1s}.chart .b:nth-child(3){transition-delay:.15s}
.chart .b:nth-child(4){transition-delay:.2s}.chart .b:nth-child(5){transition-delay:.25s}.chart .b:nth-child(6){transition-delay:.3s}.chart .b:nth-child(7){transition-delay:.35s}
.lg-start{background:var(--green)}.lg-goal{background:var(--ember)}.lg-wall{background:var(--text)}.lg-exp{background:rgba(77,227,255,.45)}.lg-path{background:#f5b83d}
.lang-btn{width:auto;min-width:40px;padding:0 13px;border-radius:999px;text-decoration:none;font-weight:600;font-size:.88rem}

/* ---------- right-to-left (Arabic) ---------- */
html[dir="rtl"] #progress{left:auto;right:0}
html[dir="rtl"] .ticks li::before{content:"◂"}
html[dir="rtl"] .link:hover{transform:translateX(-4px)}
html[dir="rtl"] .link:hover .go{transform:translateX(-4px)}
html[lang="ar"] body{font-family:'Space Grotesk','IBM Plex Sans Arabic',system-ui,sans-serif}
html[lang="ar"] p,html[lang="ar"] li{line-height:1.85}
html[lang="ar"] h2{line-height:1.3}
html[lang="ar"] .name{line-height:1.25;letter-spacing:0}
html[lang="ar"] .eyebrow{font-family:'IBM Plex Sans Arabic','JetBrains Mono',sans-serif;font-weight:500;letter-spacing:0}
html[lang="ar"] .when,html[lang="ar"] .arch .tag,html[lang="ar"] .big{letter-spacing:0}
html[lang="ar"] .games h2,html[lang="ar"] .games .proj h3,html[lang="ar"] .me-title{font-family:'Aref Ruqaa','Cinzel',serif;letter-spacing:0}
html[lang="ar"] .me-title{font-size:clamp(1.2rem,2.6vw,1.7rem)}
html[lang="ar"] .pov .vic{font-family:'Aref Ruqaa','Cinzel',serif;letter-spacing:0;font-size:48px}
html[lang="ar"] .pov .vic-sub{font-family:'IBM Plex Sans Arabic',sans-serif;letter-spacing:0;font-size:12px}
html[lang="ar"] .chip,html[lang="ar"] .when,html[lang="ar"] .hello,html[lang="ar"] .pipe,html[lang="ar"] .score,html[lang="ar"] .st,html[lang="ar"] .arch .tag,html[lang="ar"] .copy,html[lang="ar"] .hist span,html[lang="ar"] .rng-lbl,html[lang="ar"] .overlay small,html[lang="ar"] .hud-bot,html[lang="ar"] .hud{font-family:'JetBrains Mono','IBM Plex Sans Arabic',monospace}

/* ---------- 404 page ---------- */
.nf main{min-height:100vh;display:grid;place-content:center;justify-items:center;text-align:center;gap:14px;padding:16px;position:relative;z-index:1}
.nf h1{font-size:clamp(6rem,22vw,12rem);line-height:1;background:linear-gradient(90deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.nf p{color:var(--muted);max-width:480px}
.nf .cta{justify-content:center;margin-top:12px}
.privacy-note{font-size:.8rem;color:var(--muted);margin-top:6px;line-height:1.5}

/* ---------- phones ---------- */
.logo{padding:10px 6px;margin:-10px -6px}
@media (max-width:700px){
  .lane select,.gbar select{font-size:16px} /* below 16px, iPhones zoom in on tap */
}