:root{
  --bg:#eef1f5; --panel:#ffffff; --panel-2:#f5f8fb; --line:#dbe2ea;
  --ink:#0d1b2a; --ink-2:#41546a; --ink-3:#7688a0;
  --blue:#0a63ff; --cyan:#12b8ff; --navy:#0b1f3a;
  --glow:rgba(18,184,255,.35);
  --grad:linear-gradient(120deg,var(--blue),var(--cyan));
  --shadow:0 18px 50px -20px rgba(11,31,58,.35);
  --shadow-sm:0 8px 24px -12px rgba(11,31,58,.28);
  --radius:18px;
  --f-disp:"Space Grotesk",system-ui,sans-serif;
  --f-body:"Inter",system-ui,sans-serif;
  --f-mono:"Space Mono","SFMono-Regular",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--f-body); color:var(--ink); background:var(--bg);
  line-height:1.6; overflow-x:hidden; -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(rgba(120,136,160,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,136,160,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
h1,h2,h3,h4{font-family:var(--f-disp);line-height:1.12;letter-spacing:-.02em;font-weight:700;color:var(--navy)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin-inline:auto}
.mono{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase}
.accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
section{position:relative;padding:96px 0}
.eyebrow{color:var(--blue);display:inline-flex;align-items:center;gap:.6rem;margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--grad)}
.sec-head{max-width:640px;margin-bottom:52px}
.sec-head h2{font-size:clamp(1.8rem,4vw,2.7rem);margin-bottom:12px}
.sec-head p{color:var(--ink-2)}
.tick{position:absolute;width:14px;height:14px;border:1.5px solid var(--cyan);opacity:.5}
.tick.tl{top:22px;left:22px;border-right:0;border-bottom:0}
.tick.tr{top:22px;right:22px;border-left:0;border-bottom:0}
.tick.bl{bottom:22px;left:22px;border-right:0;border-top:0}
.tick.br{bottom:22px;right:22px;border-left:0;border-top:0}

/* ---- loader ---- */
#loader{position:fixed;inset:0;z-index:9999;background:var(--bg);display:grid;place-items:center;transition:opacity .6s ease,visibility .6s}
#loader.done{opacity:0;visibility:hidden}
.load-inner{text-align:center}
.load-inner img{width:96px;margin:0 auto 22px;filter:drop-shadow(0 0 22px var(--glow));animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(1.06)}}
.load-bar{width:200px;height:3px;background:var(--line);border-radius:3px;overflow:hidden;margin:0 auto}
.load-bar span{display:block;height:100%;width:0;background:var(--grad)}
.load-inner .mono{color:var(--ink-3);margin-top:14px}

/* ---- nav ---- */
header{position:fixed;top:0;left:0;right:0;z-index:900;transition:.35s}
header.scrolled{background:rgba(255,255,255,.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);box-shadow:0 6px 24px -18px rgba(11,31,58,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--f-disp);font-weight:700}
.brand img{width:58px;height:58px;object-fit:contain}
@media(max-width:640px){.brand img{width:48px;height:48px}}
.brand .bt{font-size:1.05rem;letter-spacing:.02em}
.brand .bs{display:block;font-family:var(--f-mono);font-size:.58rem;letter-spacing:.24em;color:var(--ink-3);text-transform:uppercase;margin-top:1px}
.navlinks{display:flex;gap:30px;align-items:center}
.navlinks a{font-size:.9rem;color:var(--ink-2);position:relative;font-weight:500}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--grad);transition:.3s}
.navlinks a:hover,.navlinks a.active{color:var(--navy)}
.navlinks a:hover::after,.navlinks a.active::after{width:100%}
.nav-cta{padding:10px 20px;border-radius:999px;background:var(--grad);color:#fff!important;font-weight:600;box-shadow:0 10px 24px -10px var(--glow)}
.nav-cta::after{display:none}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--navy);transition:.3s;transform-origin:center}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-backdrop{display:none}
.mdrawer{display:none}
.drawer-head{display:none}
.nav-close{display:none}
body.menu-open{overflow:hidden}

/* ---- hero ---- */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:110px;overflow:hidden}
#hero-canvas{position:absolute;inset:0;z-index:0}
.hero-glow{position:absolute;z-index:0;border-radius:50%;filter:blur(90px);opacity:.5}
.hero-glow.a{width:420px;height:420px;background:radial-gradient(var(--glow),transparent 70%);top:-80px;right:-60px}
.hero-glow.b{width:360px;height:360px;background:radial-gradient(rgba(10,99,255,.22),transparent 70%);bottom:-60px;left:-40px}
.hero-inner{position:relative;z-index:2;max-width:820px}
.hero h1{font-size:clamp(2.3rem,6vw,4.4rem);margin:18px 0}
.hero h1 span{display:block}
.hero p.lead{font-size:clamp(1rem,2vw,1.22rem);color:var(--ink-2);max-width:600px;margin-bottom:34px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.25s;font-family:var(--f-body)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 30px -12px var(--glow)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 40px -14px var(--glow)}
.btn-ghost{background:var(--panel);color:var(--navy);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--cyan)}
.hero-meta{display:flex;gap:34px;margin-top:46px;flex-wrap:wrap}
.hero-meta div .n{font-family:var(--f-disp);font-size:1.5rem;font-weight:700;color:var(--navy)}
.hero-meta div .l{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3)}

/* ---- marquee ---- */
.marquee{background:var(--navy);color:#cfe4ff;padding:16px 0;overflow:hidden;white-space:nowrap;border-block:1px solid rgba(255,255,255,.06)}
.marquee .track{display:inline-flex;gap:44px;animation:slide 26s linear infinite;font-family:var(--f-mono);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase}
.marquee .track span{opacity:.8}
.marquee .track i{color:var(--cyan);margin-right:8px}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---- cards grid ---- */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:.3s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:0;transition:.3s;height:3px;bottom:auto}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{opacity:1}
.card .ic{width:52px;height:52px;border-radius:14px;background:var(--panel-2);display:grid;place-items:center;color:var(--blue);font-size:1.25rem;margin-bottom:18px;border:1px solid var(--line)}
.card:hover .ic{background:var(--grad);color:#fff}
.card h3{font-size:1.08rem;margin-bottom:8px}
.card p{color:var(--ink-2);font-size:.92rem}

/* ---- about ---- */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.about-card{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:36px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.about-card .sig{display:flex;align-items:center;gap:16px;padding-bottom:22px;margin-bottom:22px;border-bottom:1px solid var(--line)}
.about-card .sig img{width:64px}
.about-card .sig .t{font-family:var(--f-disp);font-weight:700;font-size:1.15rem}
.about-card .sig .s{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3)}
.counters{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:6px}
.counters .c .n{font-family:var(--f-disp);font-size:2rem;font-weight:700;color:var(--blue)}
.counters .c .l{font-size:.82rem;color:var(--ink-2)}
.about-copy p{color:var(--ink-2);margin-bottom:16px}
.about-copy h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:18px}

/* ---- portfolio filter ---- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.filters button{padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:var(--ink-2);cursor:pointer;font-size:.82rem;font-weight:500;transition:.25s;font-family:var(--f-mono);letter-spacing:.06em}
.filters button.active,.filters button:hover{background:var(--grad);color:#fff;border-color:transparent}
.pcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.3s;cursor:pointer}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pcard .thumb{height:180px;background:linear-gradient(135deg,var(--panel-2),#e6eef7);display:grid;place-items:center;color:var(--blue);font-size:2.4rem;position:relative;overflow:hidden}
.pcard .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent,rgba(18,184,255,.12),transparent);transform:translateX(-100%);transition:.5s}
.pcard:hover .thumb::after{transform:translateX(100%)}
.pcard .body{padding:20px}
.pcard .cat{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.pcard h3{font-size:1.02rem;margin:6px 0 8px}
.pcard p{font-size:.86rem;color:var(--ink-2)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tags span{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.08em;padding:4px 9px;border-radius:6px;background:var(--panel-2);border:1px solid var(--line);color:var(--ink-2)}

/* ---- core ---- */
.core-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.core{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);position:relative;transition:.3s;display:flex;flex-direction:column}
.core:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.core .code{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.2em;color:var(--cyan);margin-bottom:14px}
.core .ci{width:54px;height:54px;border-radius:14px;background:var(--panel-2);display:grid;place-items:center;color:var(--blue);font-size:1.3rem;margin-bottom:16px;border:1px solid var(--line)}
.core:hover .ci{background:var(--grad);color:#fff}
.core h3{font-size:1.06rem;margin-bottom:10px}
.core p{font-size:.88rem;color:var(--ink-2)}
.core .more{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--ink-2);font-size:.86rem}
.core .more p{margin-top:12px}
.core.open .more{max-height:200px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}
.chips span{font-family:var(--f-mono);font-size:.55rem;letter-spacing:.1em;padding:4px 8px;border-radius:6px;background:rgba(18,184,255,.08);border:1px solid rgba(18,184,255,.2);color:var(--blue)}
.core .toggle{margin-top:auto;background:none;border:0;color:var(--blue);font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;display:inline-flex;align-items:center;gap:6px;padding-top:8px}
.core .toggle i{transition:.3s}
.core.open .toggle i{transform:rotate(180deg)}

/* ---- timeline ---- */
.tl{position:relative;max-width:820px;margin-inline:auto;padding-left:36px}
.tl::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--blue),var(--cyan),transparent)}
.tl-item{position:relative;padding:0 0 34px 30px}
.tl-item::before{content:"";position:absolute;left:-31px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--panel);border:3px solid var(--cyan);box-shadow:0 0 0 4px rgba(18,184,255,.12)}
.tl-item .yr{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.16em;color:var(--blue)}
.tl-item h3{font-size:1.1rem;margin:4px 0 6px}
.tl-item p{color:var(--ink-2);font-size:.9rem}

/* ---- skills ---- */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:22px}
.ring{text-align:center}
.ring svg{width:104px;height:104px;transform:rotate(-90deg)}
.ring .bg{fill:none;stroke:var(--line);stroke-width:8}
.ring .fg{fill:none;stroke:url(#grad);stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset 1.4s ease}
.ring .wrap{position:relative;display:inline-block}
.ring .pct{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--f-disp);font-weight:700;color:var(--navy);font-size:1.1rem}
.ring .nm{margin-top:10px;font-size:.82rem;color:var(--ink-2);font-weight:500}

/* ---- showcase ---- */
.showcase{background:var(--navy);color:var(--ink-2);overflow:hidden}
.showcase h2{color:#fff}
.showcase .sec-head p{color:#9fb6d4}
.show-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
#show-canvas{height:360px;border-radius:22px;background:radial-gradient(circle at 50% 40%,rgba(18,184,255,.14),transparent 60%);border:1px solid rgba(255,255,255,.08);position:relative;overflow:hidden}
.show-feat{display:flex;gap:16px;margin-bottom:22px}
.show-feat .fi{width:46px;height:46px;flex:none;border-radius:12px;background:rgba(18,184,255,.14);display:grid;place-items:center;color:var(--cyan);font-size:1.15rem}
.show-feat h4{color:#fff;font-size:1rem;margin-bottom:2px}
.show-feat p{color:#9fb6d4;font-size:.86rem}

/* ---- achievements ---- */
.ach-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ach{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;text-align:center;box-shadow:var(--shadow-sm);transition:.3s}
.ach:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.ach i{font-size:1.7rem;color:var(--blue);margin-bottom:12px}
.ach .n{font-family:var(--f-disp);font-size:2.4rem;font-weight:700;color:var(--navy)}
.ach .l{color:var(--ink-2);font-size:.88rem}

/* ---- gallery ---- */
.gallery{columns:4;column-gap:16px}
.gtile{break-inside:avoid;margin-bottom:16px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,var(--panel-2),#e6eef7);position:relative;box-shadow:var(--shadow-sm)}
.gtile .ph{display:grid;place-items:center;color:var(--blue);font-size:1.6rem}
.gtile .cap{position:absolute;left:0;right:0;bottom:0;padding:12px;background:linear-gradient(transparent,rgba(11,31,58,.75));color:#fff;font-size:.78rem;font-family:var(--f-mono);letter-spacing:.05em;opacity:0;transition:.3s}
.gtile:hover .cap{opacity:1}

/* ---- contact ---- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.contact-card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow)}
.contact-card .head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.contact-card .head img{width:56px}
.contact-card .head h3{font-size:1.2rem}
.crow{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.crow:last-child{border-bottom:0}
.crow .ci{width:42px;height:42px;flex:none;border-radius:11px;background:var(--panel-2);display:grid;place-items:center;color:var(--blue);border:1px solid var(--line)}
.crow .l{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.crow .v{font-weight:500;font-size:.94rem}
.form-card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);display:block;margin-bottom:6px}
.field input,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:var(--panel-2);font-family:var(--f-body);font-size:.92rem;color:var(--ink);transition:.2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(18,184,255,.14);background:#fff}
.form-note{font-size:.78rem;color:var(--ink-3);margin-top:8px;min-height:18px}

/* ---- footer ---- */
footer{background:var(--navy);color:#a9c1e0;padding:56px 0 30px}
.foot-top{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-brand{display:flex;align-items:center;gap:14px}
.foot-brand img{width:52px}
.foot-brand .t{font-family:var(--f-disp);font-weight:700;color:#fff;font-size:1.1rem}
.foot-brand .s{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:#7f9bc0}
.socials{display:flex;gap:12px}
.socials a{width:42px;height:42px;border-radius:11px;background:rgba(255,255,255,.06);display:grid;place-items:center;color:#cfe0f7;transition:.25s}
.socials a:hover{background:var(--grad);color:#fff;transform:translateY(-3px)}
.foot-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:24px;font-size:.8rem;color:#7f9bc0;font-family:var(--f-mono);letter-spacing:.05em}

/* ---- back to top ---- */
#top{position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;border:0;cursor:pointer;display:grid;place-items:center;box-shadow:0 14px 30px -10px var(--glow);opacity:0;visibility:hidden;transition:.3s;z-index:800}
#top.show{opacity:1;visibility:visible}
#top:hover{transform:translateY(-4px)}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---- responsive ---- */
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(2,1fr)}
  .core-grid{grid-template-columns:repeat(2,1fr)} .ach-grid{grid-template-columns:repeat(2,1fr)}
  .about-wrap,.show-wrap,.contact-wrap{grid-template-columns:1fr;gap:30px}
  .gallery{columns:2}
}
/* ---- mobile side drawer (<=900px) ---- */
@media(max-width:1024px){
  .burger{display:flex}
  .navlinks{display:none}
  .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(11,31,58,.5);opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s ease;z-index:1990}
  .nav-backdrop.open{opacity:1;visibility:visible}
  .mdrawer{
    display:flex;flex-direction:column;align-items:stretch;
    position:fixed;top:0;right:0;height:100dvh;width:min(360px,84vw);
    background:#fff;border-left:1px solid var(--line);
    transform:translateX(105%);transition:transform .42s cubic-bezier(.7,0,.15,1);
    box-shadow:-24px 0 60px -30px rgba(11,31,58,.55);z-index:2000;overflow-y:auto;-webkit-overflow-scrolling:touch;
  }
  .mdrawer.open{transform:none}
  .mdrawer-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 22px;border-bottom:1px solid var(--line)}
  .dh-brand{display:flex;flex-direction:column;line-height:1.15}
  .dh-brand b{font-family:var(--f-disp);font-size:.98rem;letter-spacing:-.01em;color:var(--navy)}
  .dh-brand small{font-family:var(--f-mono);font-size:.56rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);margin-top:2px}
  .nav-close{display:grid;place-items:center;width:42px;height:42px;flex:none;border:1px solid var(--line);border-radius:11px;background:var(--panel-2);color:var(--navy);font-size:1.5rem;line-height:1;cursor:pointer;transition:.2s}
  .nav-close:hover{background:var(--grad);color:#fff;border-color:transparent}
  .mdrawer a{
    font-size:1.02rem;color:var(--navy);font-weight:500;width:100%;text-decoration:none;
    padding:17px 24px;border-bottom:1px solid var(--line);
    display:flex;align-items:center;gap:10px;
    opacity:0;transform:translateX(18px);
    transition:opacity .35s ease,transform .35s ease,background .2s ease,color .2s ease;
  }
  .mdrawer a::before{content:"";width:0;height:16px;border-radius:2px;background:var(--grad);transition:width .2s ease}
  .mdrawer a:hover,.mdrawer a.active{background:var(--panel-2);color:var(--blue)}
  .mdrawer a:hover::before,.mdrawer a.active::before{width:3px}
  .mdrawer.open a{opacity:1;transform:none}
  .mdrawer.open a:nth-child(2){transition-delay:0.04s}
  .mdrawer.open a:nth-child(3){transition-delay:0.08s}
  .mdrawer.open a:nth-child(4){transition-delay:0.12s}
  .mdrawer.open a:nth-child(5){transition-delay:0.16s}
  .mdrawer.open a:nth-child(6){transition-delay:0.20s}
  .mdrawer.open a:nth-child(7){transition-delay:0.24s}
  .mdrawer.open a:nth-child(8){transition-delay:0.28s}
  .mdrawer.open a:nth-child(9){transition-delay:0.32s}
  .mdrawer .nav-cta{margin:22px 24px;padding:15px 20px;border-radius:12px;justify-content:center;color:#fff!important;box-shadow:0 12px 26px -12px var(--glow);border:0}
  .mdrawer .nav-cta::before{display:none}
  .mdrawer .nav-cta:hover{filter:brightness(1.05)}
}
@media(max-width:640px){
  .g4,.g3,.g2,.core-grid,.ach-grid{grid-template-columns:1fr}
  .gallery{columns:1}
  section{padding:70px 0}
  .hero-meta{gap:22px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* real image tiles + video cards */
.gtile img{transition:transform .5s ease}
.gtile:hover img{transform:scale(1.05)}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.videos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.vid-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.3s;display:flex;flex-direction:column}
.vid-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.vid-frame{position:relative;aspect-ratio:16/10;background:var(--navy);overflow:hidden}
.vid-frame video{width:100%;height:100%;object-fit:cover;display:block;cursor:pointer}
.vid-play{position:absolute;inset:0;margin:auto;width:60px;height:60px;border:0;border-radius:50%;background:var(--grad);color:#fff;font-size:1.1rem;cursor:pointer;display:grid;place-items:center;box-shadow:0 14px 30px -10px var(--glow);transition:.3s}
.vid-play:hover{transform:scale(1.08)}
.vid-card.playing .vid-play{opacity:0;pointer-events:none}
.vid-meta{padding:20px}
.vid-tag{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.vid-meta h3{font-size:1.05rem;margin:6px 0 8px}
.vid-meta p{font-size:.88rem;color:var(--ink-2)}
@media(max-width:980px){.videos-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.videos-grid{grid-template-columns:1fr}}

/* featured project */
#featured .feat-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.feat-badge{display:inline-block;padding:7px 14px;border-radius:999px;margin-bottom:16px;background:var(--grad);color:#fff;font-size:.62rem;letter-spacing:.18em}
.feat-copy h2{font-size:clamp(1.7rem,3.6vw,2.5rem);margin-bottom:14px}
.feat-lead{color:var(--ink-2);margin-bottom:4px}
.feat-chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.feat-chips span{font-family:var(--f-mono);font-size:.58rem;letter-spacing:.1em;padding:5px 10px;border-radius:7px;background:rgba(18,184,255,.08);border:1px solid rgba(18,184,255,.22);color:var(--blue)}
.feat-points{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:12px}
.feat-points li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-2);font-size:.94rem}
.feat-points li i{color:var(--cyan);margin-top:3px}
.feat-media{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.feat-fig{margin:0;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--navy);position:relative}
.feat-fig img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.feat-fig:hover img{transform:scale(1.05)}
.feat-fig figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px;background:linear-gradient(transparent,rgba(11,31,58,.82));color:#eaf3ff;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.03em;line-height:1.4;opacity:0;transform:translateY(6px);transition:.3s}
.feat-fig:hover figcaption{opacity:1;transform:none}
.feat-fig.tall{grid-row:span 2;aspect-ratio:3/4}
.feat-fig.wide{aspect-ratio:4/3}
@media(max-width:980px){#featured .feat-wrap{grid-template-columns:1fr;gap:30px}.feat-fig.tall{grid-row:auto;aspect-ratio:4/3}}
@media(max-width:560px){.feat-media{grid-template-columns:1fr}}
.wa-float{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;font-size:28px;z-index:9999;text-decoration:none;box-shadow:0 8px 24px rgba(37,211,102,.45);animation:waPulse 2.2s infinite;transition:transform .2s}
.wa-float:hover{transform:scale(1.08);animation:none;box-shadow:0 12px 30px rgba(37,211,102,.6)}
.wa-float i{line-height:1}
@keyframes waPulse{0%{box-shadow:0 8px 24px rgba(37,211,102,.45),0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 8px 24px rgba(37,211,102,.45),0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 8px 24px rgba(37,211,102,.45),0 0 0 0 rgba(37,211,102,0)}}
@media(max-width:640px){.wa-float{right:16px;bottom:16px;width:52px;height:52px;font-size:26px}}
.hero-2col{max-width:1180px;width:100%;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero-text{min-width:0}
.hero-photo{position:relative;z-index:2}
.hero-photo img{width:100%;aspect-ratio:1/1;object-fit:cover;object-position:center;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--panel-2);display:block}
@media(max-width:980px){.hero-2col{grid-template-columns:1fr;gap:28px;max-width:820px}.hero-photo img{aspect-ratio:4/3}}
.to-top{position:fixed;right:22px;bottom:88px;width:48px;height:48px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:17px;z-index:9998;cursor:pointer;border:none;box-shadow:0 8px 22px rgba(0,0,0,.25);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s,transform .3s,background .2s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--blue);transform:translateY(-3px)}
@media(max-width:640px){.to-top{right:16px;bottom:80px;width:44px;height:44px}}
#raft{background:var(--panel-2);position:relative}
.raft-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:50px;align-items:center}
.raft-flag{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);background:rgba(10,99,255,.08);border:1px solid rgba(10,99,255,.22);padding:7px 14px;border-radius:999px;margin-bottom:18px}
.raft-copy h2{font-size:clamp(2rem,4.2vw,3rem);margin:0 0 6px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.raft-tag{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:20px}
.raft-copy>p{color:var(--ink-2);line-height:1.75;margin-bottom:22px}
.raft-specs{display:flex;flex-wrap:wrap;gap:10px}
.raft-specs span{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;color:var(--navy);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:8px 14px}
.raft-media{display:grid;gap:14px}
.raft-video{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow);background:#0b0f14;display:block}
.raft-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.raft-thumbs figure{position:relative;margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.raft-thumbs img{width:100%;height:96px;object-fit:cover;display:block;transition:transform .35s}
.raft-thumbs figure:hover img{transform:scale(1.07)}
.raft-thumbs figcaption{position:absolute;left:0;right:0;bottom:0;font-family:var(--f-mono);font-size:.55rem;letter-spacing:.12em;text-transform:uppercase;color:#fff;background:linear-gradient(transparent,rgba(11,31,58,.8));padding:16px 6px 6px;text-align:center}
@media(max-width:980px){.raft-wrap{grid-template-columns:1fr;gap:30px}}
@media(max-width:560px){.raft-thumbs{grid-template-columns:repeat(2,1fr)}.raft-thumbs img{height:120px}}
.raft-thumbs img,#gallery img,.gtile img,#featured img,.pcard .thumb img{cursor:zoom-in}
.lightbox{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;padding:22px;background:rgba(6,12,20,.92);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:92vw;max-height:86vh;border-radius:12px;box-shadow:0 30px 90px rgba(0,0,0,.6);transform:scale(.85);opacity:0;transition:transform .38s cubic-bezier(.2,.85,.25,1),opacity .3s}
.lightbox.open img{transform:scale(1);opacity:1}
@keyframes lbpop{from{transform:scale(.93);opacity:.5}to{transform:scale(1);opacity:1}}
.lightbox img.pop{animation:lbpop .32s ease}
.lb-btn{position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;cursor:pointer;font-size:17px;transition:.2s;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.lb-btn:hover{background:rgba(255,255,255,.22)}
.lb-close{top:18px;right:20px}
.lb-prev{left:18px;top:50%;transform:translateY(-50%)}
.lb-next{right:18px;top:50%;transform:translateY(-50%)}
@media(max-width:560px){.lb-prev{left:10px}.lb-next{right:10px}.lb-btn{width:40px;height:40px;font-size:15px}}
#paintbot{background:var(--panel);position:relative}
.paint-thumbs{grid-template-columns:repeat(3,1fr)}
.paint-thumbs img,.paint-thumbs video{height:130px;width:100%;object-fit:cover;display:block}
.paint-thumbs .vid-tile video{background:#0b0f14}
@media(max-width:560px){.paint-thumbs{grid-template-columns:repeat(2,1fr)}.paint-thumbs img,.paint-thumbs video{height:120px}}
#visionai{background:var(--panel-2);position:relative}
#videos{border-top:1px solid var(--line)}


/* ================= ROBOTICS LAYER ================= */
/* 1. Machine-vision reticle cursor (references the Vision AI project) */
#reticle{position:fixed;left:0;top:0;width:26px;height:26px;pointer-events:none;z-index:10001;
  opacity:0;transition:opacity .25s ease,width .18s cubic-bezier(.2,.9,.3,1),height .18s cubic-bezier(.2,.9,.3,1)}
body.has-reticle #reticle{opacity:1}
#reticle .c{position:absolute;width:9px;height:9px;border:1.6px solid var(--blue);transition:border-color .2s}
#reticle .c.tl{top:0;left:0;border-right:0;border-bottom:0}
#reticle .c.tr{top:0;right:0;border-left:0;border-bottom:0}
#reticle .c.bl{bottom:0;left:0;border-right:0;border-top:0}
#reticle .c.br{bottom:0;right:0;border-left:0;border-top:0}
#reticle .dot{position:absolute;left:50%;top:50%;width:3px;height:3px;margin:-1.5px 0 0 -1.5px;
  border-radius:50%;background:var(--blue);transition:opacity .2s}
#reticle .tag{position:absolute;left:50%;top:calc(100% + 9px);transform:translateX(-50%);
  font-family:var(--f-mono);font-size:.5rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--blue);background:rgba(255,255,255,.92);border:1px solid var(--line);
  padding:3px 7px;border-radius:5px;white-space:nowrap;opacity:0;transition:opacity .2s;font-style:normal}
#reticle.lock .c{border-color:var(--cyan);width:13px;height:13px}
#reticle.lock .dot{opacity:0}
#reticle.lock .tag{opacity:1}
body.has-reticle,body.has-reticle a,body.has-reticle button,
body.has-reticle .card,body.has-reticle .pcard,body.has-reticle .gtile,
body.has-reticle .feat-fig,body.has-reticle .raft-thumbs figure{cursor:none}
@media (hover:none),(pointer:coarse){#reticle{display:none!important}
  body.has-reticle,body.has-reticle *{cursor:auto!important}}

/* 2. Articulated 6-axis arm — idles in the hero, echoes the 6-DOF project */
.hero-arm{position:absolute;right:2vw;bottom:4vh;width:300px;max-width:26vw;opacity:.22;
  pointer-events:none;z-index:0;color:var(--blue)}
.hero-arm svg{width:100%;height:auto;display:block;overflow:visible}
.hero-arm .lnk{fill:none;stroke:currentColor;stroke-width:5;stroke-linecap:round}
.hero-arm .jt{fill:var(--panel);stroke:currentColor;stroke-width:3}
.hero-arm .env{fill:none;stroke:var(--cyan);stroke-width:1.5;stroke-dasharray:5 7;opacity:.5}
#j1{transform-box:view-box;transform-origin:100px 150px;animation:j1 9s ease-in-out infinite}
#j2{transform-box:view-box;transform-origin:100px 92px;animation:j2 7s ease-in-out infinite}
#j3{transform-box:view-box;transform-origin:168px 62px;animation:j3 5s ease-in-out infinite}
@keyframes j1{0%,100%{transform:rotate(-7deg)}50%{transform:rotate(10deg)}}
@keyframes j2{0%,100%{transform:rotate(12deg)}50%{transform:rotate(-16deg)}}
@keyframes j3{0%,100%{transform:rotate(-10deg)}50%{transform:rotate(14deg)}}
@media(max-width:980px){.hero-arm{display:none}}

/* 3. Vision-style scan sweep when inspecting project imagery */
.feat-fig,.raft-thumbs figure{position:relative}
.feat-fig::after,.raft-thumbs figure::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:0;pointer-events:none;z-index:3}
.feat-fig:hover::after,.raft-thumbs figure:hover::after{animation:scanline 1.5s ease-in-out}
@keyframes scanline{0%{top:0;opacity:0}12%{opacity:1}88%{opacity:1}100%{top:100%;opacity:0}}

@media (prefers-reduced-motion:reduce){
  #j1,#j2,#j3{animation:none}
  .feat-fig:hover::after,.raft-thumbs figure:hover::after{animation:none}
  #reticle{transition:opacity .2s}
}

/* ---- Projects dropdown ---- */
.nav-drop{position:relative;display:flex;align-items:center}
.nav-drop-btn i{font-size:.6rem;margin-left:5px;transition:transform .22s;opacity:.7}
.nav-drop:hover .nav-drop-btn i,.nav-drop:focus-within .nav-drop-btn i{transform:rotate(180deg)}
.nav-menu{position:absolute;top:100%;left:-14px;min-width:208px;padding:14px 8px 8px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s,transform .2s,visibility .2s;z-index:960}
.nav-drop:hover .nav-menu,.nav-drop:focus-within .nav-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-menu::before{content:"";position:absolute;inset:12px 0 0;background:var(--panel);
  border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);z-index:-1}
.navlinks .nav-menu a{display:block;padding:9px 13px;border-radius:9px;font-size:.87rem;
  color:var(--ink-2);white-space:nowrap;transition:background .18s,color .18s}
.navlinks .nav-menu a::after{display:none}
.navlinks .nav-menu a:hover,.navlinks .nav-menu a.active{background:var(--panel-2);color:var(--blue)}

/* ---- Projects group in the mobile menu ---- */
.mdrawer-group{display:flex;flex-direction:column}
.mdrawer-label{font-family:var(--f-mono);font-size:.58rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-3);padding:14px 0 4px}
.mdrawer-group a{padding-left:14px!important;border-left:2px solid var(--line)}