:root{--bg:#04070c;--panel:rgba(8,16,28,.82);--blue:#3a8fd8;--blue2:#7fc0ff;--silver:#d8dee6;--dim:#7d8a99;--line:rgba(58,143,216,.45)}
*{box-sizing:border-box}html,body{margin:0}
body{background:var(--bg) radial-gradient(ellipse at 70% 0%,#0b1a2e 0%,#04070c 60%) fixed;color:var(--silver);font:15px/1.65 'JetBrains Mono',monospace}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:100;background:repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 3px);animation:flick 6s infinite}
@keyframes flick{50%{opacity:.85}}
a{color:var(--blue2)}h1,h2,h3{font-family:'Orbitron',sans-serif;letter-spacing:.08em;color:#fff;font-weight:600}
h1{font-size:2rem;margin:.2em 0}h2{font-size:1.25rem;border-bottom:1px solid var(--line);padding-bottom:.4em;margin-top:2em}
h3{font-size:1rem;color:var(--blue2)}
.sidebar{position:fixed;top:0;left:0;bottom:0;width:260px;background:rgba(3,8,15,.95);border-right:1px solid var(--line);box-shadow:0 0 18px rgba(58,143,216,.25);padding:18px 14px;display:flex;flex-direction:column;z-index:50;overflow-y:auto}
.logo-panel{display:block;border:1px solid var(--blue);border-radius:4px;overflow:hidden;box-shadow:0 0 14px rgba(58,143,216,.5)}
.logo-panel img{width:100%;display:block}
.nav-title{font:12px 'Share Tech Mono',monospace;color:var(--dim);margin:18px 0 6px;letter-spacing:.2em}
nav a{display:block;padding:9px 10px;margin:3px 0;font:14px 'Share Tech Mono',monospace;letter-spacing:.1em;color:var(--silver);text-decoration:none;border:1px solid transparent;border-left:2px solid var(--line)}
nav a:hover{border-color:var(--line);background:rgba(58,143,216,.08);color:#fff}
nav a.active{border:1px solid var(--blue);background:rgba(58,143,216,.16);color:#fff;box-shadow:0 0 10px rgba(58,143,216,.4) inset}
nav a.active::before{content:"> "}
.side-foot{margin-top:auto;font-size:11px;color:var(--dim);padding-top:14px}
.menu-btn{display:none}
main{margin-left:260px;padding:40px 48px 20px;max-width:1240px}
.status{position:fixed;top:14px;right:14px;z-index:60;background:var(--panel);border:1px solid var(--line);box-shadow:0 0 12px rgba(58,143,216,.3);padding:8px 12px;font:12px/1.5 'Share Tech Mono',monospace;color:var(--dim);min-width:210px}
.status b{color:var(--blue2);font-weight:normal}.status .ok{color:#6fe39a}
.panel{background:var(--panel);border:1px solid var(--line);box-shadow:0 0 14px rgba(58,143,216,.15),inset 0 0 20px rgba(58,143,216,.05);padding:22px;margin:18px 0;position:relative}
.panel::before{content:attr(data-label);position:absolute;top:-9px;left:14px;background:var(--bg);padding:0 8px;font:11px 'Share Tech Mono',monospace;color:var(--blue2);letter-spacing:.15em}
.hero{min-height:380px;background-size:cover;background-position:center;display:flex;align-items:flex-end;padding:0;border:1px solid var(--line);position:relative;margin-top:44px}
.hero .overlay{background:linear-gradient(0deg,rgba(4,7,12,.95),rgba(4,7,12,.2));width:100%;padding:32px}
.typed{font:1.05rem 'Share Tech Mono',monospace;color:var(--blue2);min-height:1.6em}
.cursor{display:inline-block;width:.6em;height:1.1em;background:var(--blue2);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--line);padding:18px;display:flex;flex-direction:column}
.card img{width:100%;height:170px;object-fit:cover;border:1px solid var(--line);margin-bottom:12px}
.card .ph{height:170px;border:1px dashed var(--line);display:flex;align-items:center;justify-content:center;color:var(--dim);font-family:'Share Tech Mono';margin-bottom:12px}
.tag{display:inline-block;font:11px 'Share Tech Mono';letter-spacing:.15em;padding:2px 8px;border:1px solid;margin-bottom:8px;align-self:flex-start}
.tag.dev{color:#ffc857}.tag.plan{color:var(--dim)}
.btn{display:inline-block;margin-top:auto;background:transparent;border:1px solid var(--blue);color:#fff;padding:9px 14px;font:13px 'Share Tech Mono';letter-spacing:.12em;text-decoration:none;cursor:pointer;text-align:center}
.btn:hover{background:var(--blue);box-shadow:0 0 14px var(--blue)}.btn[disabled]{opacity:.4;cursor:not-allowed}
table{width:100%;border-collapse:collapse;font-size:14px}td,th{border:1px solid var(--line);padding:8px 10px;text-align:left}th{color:var(--blue2);font-weight:normal;background:rgba(58,143,216,.08)}
.tbd{color:#ffc857}
form{display:grid;grid-template-columns:1fr 1fr;gap:14px}form .full{grid-column:1/-1}
label{font:12px 'Share Tech Mono';color:var(--blue2);letter-spacing:.12em;display:block;margin-bottom:4px}
input,select,textarea{width:100%;background:#02060b;border:1px solid var(--line);color:#fff;padding:10px;font:14px 'JetBrains Mono',monospace}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue2);box-shadow:0 0 8px var(--blue)}
.term-out{font:14px 'Share Tech Mono';color:#6fe39a;white-space:pre-wrap;display:none}
.cart{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.log-entry{border-left:2px solid var(--blue);padding:4px 16px;margin:16px 0}.log-entry time{color:var(--dim);font-size:12px}
.wide-img{width:100%;max-height:340px;object-fit:cover;border:1px solid var(--line)}
footer{margin:50px 0 0;border-top:1px solid var(--line);padding:16px 0;font-size:12px;color:var(--dim)}
@media(max-width:900px){
.sidebar{transform:translateX(-100%);transition:.25s;width:250px}.sidebar.open{transform:none}
.menu-btn{display:block;position:fixed;top:12px;left:12px;z-index:70;background:var(--panel);border:1px solid var(--blue);color:#fff;font:13px 'Share Tech Mono';padding:8px 12px}
main{margin-left:0;padding:70px 16px 20px}.status{top:12px;right:12px;min-width:0;font-size:10px;padding:5px 8px}.status .x{display:none}
.hero{margin-top:10px;min-height:300px}h1{font-size:1.4rem}form{grid-template-columns:1fr}}
.log-fig{margin:10px 0}.log-fig img{max-width:100%;max-height:360px;border:1px solid var(--line)}.log-fig figcaption{font-size:12px;color:var(--dim)}
/* ===== motion layer ===== */
#stars{position:fixed;inset:0;z-index:-1;pointer-events:none}
body{background-attachment:fixed}
.cursor{display:inline-block;width:2px;height:1.15em;margin-left:2px;background:var(--blue2);vertical-align:text-bottom;box-shadow:0 0 6px var(--blue2);animation:blink 1s steps(1) infinite}
.typed{display:block}
/* nav hover */
nav a{transition:transform .2s,box-shadow .2s,color .2s,border-color .2s,background .2s;position:relative;overflow:hidden}
nav a:hover{transform:translateY(-2px);color:var(--blue2);border-color:var(--blue);background:rgba(58,143,216,.14);box-shadow:0 4px 14px rgba(58,143,216,.45)}
nav a::after,.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,rgba(127,192,255,.25) 50%,transparent 70%);transform:translateX(-120%);pointer-events:none}
nav a:hover::after,.btn:hover::after{transition:transform .6s;transform:translateX(120%)}
nav a.active{color:#fff;background:rgba(58,143,216,.28);border-color:var(--blue2);box-shadow:0 0 12px rgba(58,143,216,.6),inset 3px 0 0 var(--blue2)}
/* buttons & cards */
.btn{position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn:not([disabled]):hover{transform:translateY(-2px)}
.card{transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:0 8px 24px rgba(58,143,216,.3)}
.card img,.wide-img{transition:transform 8s ease-out,filter .4s}
.card:hover img{transform:scale(1.06);filter:brightness(1.1)}
.card{overflow:hidden}
/* logo pulse */
.logo-panel{animation:logoPulse 4s ease-in-out infinite}
@keyframes logoPulse{50%{box-shadow:0 0 26px rgba(58,143,216,.85)}}
/* hero ken burns + parallax */
.hero{overflow:hidden;background:none!important}
.hero-bg{position:absolute;inset:-8% -4%;background-size:cover;background-position:center;transform:translateY(calc(var(--py,0px)*-1)) scale(1.05);animation:kb 40s ease-in-out infinite alternate;z-index:0}
.hero .overlay{position:relative;z-index:1}
@keyframes kb{to{background-position:60% 40%;scale:1.12}}
.wide-img{animation:drift 30s ease-in-out infinite alternate}
@keyframes drift{from{object-position:50% 40%}to{object-position:50% 60%}}
/* reveal + glow sweep */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.panel.in{animation:sweep 1.6s ease .2s 1}
@keyframes sweep{0%{box-shadow:0 0 0 rgba(58,143,216,0)}40%{box-shadow:0 0 28px rgba(58,143,216,.6),inset 0 0 20px rgba(58,143,216,.15)}100%{box-shadow:0 0 14px rgba(58,143,216,.15)}}
.panel::after{content:"";position:absolute;left:0;top:0;height:1px;width:100%;background:linear-gradient(90deg,transparent,var(--blue2),transparent);opacity:0}
.panel.in::after{animation:scanline 1.4s ease .3s 1}
@keyframes scanline{0%{opacity:1;top:0}100%{opacity:0;top:100%}}
.status{animation:statusIn .8s ease}
@keyframes statusIn{from{opacity:0;transform:translateY(-8px)}}
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation:none!important;transition:none!important}.cursor{opacity:1}.reveal{opacity:1;transform:none}}
/* 45-degree cut corners on hero (top-left, bottom-right) */
.hero{--cut:42px;clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut))}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:3;
background:linear-gradient(to bottom right,transparent calc(50% - 1px),var(--line) calc(50% - 1px),var(--line) calc(50% + 1px),transparent calc(50% + 1px)) top left/var(--cut) var(--cut) no-repeat,
linear-gradient(to bottom right,transparent calc(50% - 1px),var(--line) calc(50% - 1px),var(--line) calc(50% + 1px),transparent calc(50% + 1px)) bottom right/var(--cut) var(--cut) no-repeat}
@media(max-width:700px){.hero{--cut:26px}}
/* faint full-page starfield behind main content (not sidebar) */
body::before{content:"";position:fixed;top:0;bottom:0;left:260px;right:0;z-index:-2;pointer-events:none;background:url(../assets/img/starfield-bg.jpg) center/cover no-repeat;opacity:.08}
@media(max-width:900px){body::before{left:0}}
/* CAD viewport */
.cad-view{position:relative;overflow:hidden;background:#030a14;border:1px solid var(--line);
background-image:linear-gradient(rgba(58,143,216,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(58,143,216,.10) 1px,transparent 1px),radial-gradient(ellipse at center,rgba(58,143,216,.18),transparent 70%);
background-size:22px 22px,22px 22px,100% 100%;display:flex;align-items:center;justify-content:center;perspective:900px}
.cad-view::after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.18) 0 1px,transparent 1px 3px)}
.cad-view img{max-height:86%;max-width:80%;width:auto!important;height:auto!important;object-fit:contain!important;border:0!important;margin:0!important;filter:drop-shadow(0 0 14px rgba(58,143,216,.35));animation:cadSway 14s ease-in-out infinite alternate;transform-origin:50% 60%}
.cad-card{height:220px;margin-bottom:12px}.cad-wide{height:420px;margin-top:18px}
.card:hover .cad-view img{transform:none;filter:drop-shadow(0 0 18px rgba(58,143,216,.55))}
@keyframes cadSway{0%{transform:translateX(-5%) scale(.97) rotateY(-10deg)}100%{transform:translateX(5%) scale(1.03) rotateY(10deg)}}
.cad-label{position:absolute;top:6px;left:10px;z-index:2;font:10px 'Share Tech Mono',monospace;letter-spacing:.15em;color:var(--blue2);text-shadow:0 0 6px var(--blue)}
.cad-corner{position:absolute;width:14px;height:14px;border:2px solid var(--blue2);z-index:2;opacity:.8}
.cad-corner.tl{top:4px;left:4px;border-right:0;border-bottom:0}.cad-corner.tr{top:4px;right:4px;border-left:0;border-bottom:0}
.cad-corner.bl{bottom:4px;left:4px;border-right:0;border-top:0}.cad-corner.br{bottom:4px;right:4px;border-left:0;border-top:0}
.cad-label{top:8px;left:24px}
@media(max-width:900px){.cad-wide{height:300px}}
@media (prefers-reduced-motion: reduce){.cad-view img{animation:none!important;transform:none!important}}
/* home status feed */
.feed-item{border-left:2px solid var(--blue);padding:6px 14px;margin:10px 0;transition:background .2s,border-color .2s}
.feed-item:hover{background:rgba(58,143,216,.07);border-color:var(--blue2)}
.feed-head{font:14px 'Share Tech Mono',monospace;letter-spacing:.08em;color:var(--silver)}.feed-head b{color:#fff;font-weight:normal}
.feed-head .tag{margin:0 0 0 4px;vertical-align:1px}
.feed-item p{margin:4px 0;font-size:14px;color:var(--silver)}
.feed-item a{font:13px 'Share Tech Mono',monospace;letter-spacing:.1em;text-decoration:none}.feed-item a:hover{color:#fff;text-shadow:0 0 6px var(--blue)}
/* ===== mobile / tablet refinements (desktop untouched) ===== */
.topbar,.nav-backdrop{display:none}
@media(max-width:900px){
html{scroll-padding-top:76px}
.topbar{display:block;position:fixed;top:0;left:0;right:0;height:62px;z-index:55;background:rgba(3,8,15,.9);border-bottom:1px solid var(--line);box-shadow:0 0 18px rgba(58,143,216,.2);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:none}
.menu-btn{top:10px;left:12px;z-index:90;min-height:42px;min-width:44px;padding:8px 14px;font-size:14px;letter-spacing:.1em;cursor:pointer;transition:background .2s,box-shadow .2s,color .2s}
.menu-btn:hover,.menu-btn[aria-expanded="true"]{background:rgba(58,143,216,.2);box-shadow:0 0 12px rgba(58,143,216,.5);color:var(--blue2)}
.menu-btn:focus-visible,nav a:focus-visible,.btn:focus-visible{outline:1px solid var(--blue2);outline-offset:2px}
.status{top:10px;font-size:11px;padding:5px 9px;z-index:60}
.sidebar{z-index:80;width:min(280px,86vw);padding-top:66px;visibility:hidden;transition:transform .25s,visibility 0s .25s;box-shadow:none}
.sidebar.open{visibility:visible;transition:transform .25s;box-shadow:0 0 24px rgba(58,143,216,.45)}
.nav-backdrop{display:block;position:fixed;inset:0;z-index:75;background:rgba(2,5,10,.6);opacity:0;visibility:hidden;transition:opacity .25s,visibility 0s .25s}
.nav-backdrop.open{opacity:1;visibility:visible;transition:opacity .25s}
body.nav-open{overflow:hidden}
nav a{padding:12px 12px;font-size:14px;min-height:44px}
main{padding-top:80px}
.hero{margin-top:4px}
.hero .overlay{padding:26px 22px}
.btn{min-height:44px;padding:12px 16px;line-height:1.4}
.hero .btn{margin:6px 6px 0 0}
.feed-item a{display:inline-block;padding:9px 0;min-height:40px}
footer a{display:inline-block;padding:6px 0}
input,select,textarea{font-size:16px;min-height:44px}
td,th{padding:8px}
td.tbd{white-space:nowrap}
.typed .cursor{display:inline;width:auto;height:auto;background:none;border-left:2px solid var(--blue2);margin-left:2px;vertical-align:baseline}
}
@media(max-width:480px){
.hero .btn{display:block;margin:10px 0 0}
.typed{font-size:.98rem}
.panel{padding:20px 16px}
.card{padding:16px}
}
@media(hover:none){
nav a:hover,.btn:not([disabled]):hover,.card:hover{transform:none}
.card:hover img{transform:none}
}
.patent-note{font:12px/1.5 'Share Tech Mono',monospace;letter-spacing:.06em;color:var(--dim);margin:0 0 14px}
.cad-card img[src$="spirit-mk1.png"]{max-height:92%}
.export-note{font:13px/1.5 'Share Tech Mono',monospace;letter-spacing:.06em;color:var(--silver);border-left:2px solid #ffc857;padding:4px 12px;margin:18px 0}
/* dev log image switcher (entries with 2+ images) */
.log-gallery{margin:10px 0;max-width:100%}
.lg-bar{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:8px}
.lg-tab,.lg-nav{min-height:40px;min-width:40px;background:transparent;border:1px solid var(--line);color:var(--silver);font:13px 'Share Tech Mono',monospace;letter-spacing:.12em;padding:8px 12px;cursor:pointer;position:relative;transition:transform .2s,box-shadow .2s,color .2s,border-color .2s,background .2s}
.lg-nav{font-size:18px;line-height:1;padding:8px 10px}
.lg-tab:hover,.lg-nav:hover{transform:translateY(-2px);color:var(--blue2);border-color:var(--blue);background:rgba(58,143,216,.14);box-shadow:0 4px 14px rgba(58,143,216,.45)}
.lg-tab.on{color:#fff;border-color:var(--blue2);background:rgba(58,143,216,.28);box-shadow:0 0 12px rgba(58,143,216,.6),inset 0 0 10px rgba(58,143,216,.4)}
.lg-tab:focus-visible,.lg-nav:focus-visible{outline:1px solid var(--blue2);outline-offset:2px}
.lg-stage{display:grid;justify-items:start;touch-action:pan-y}
.lg-stage .log-fig{grid-area:1/1;margin:0;opacity:0;visibility:hidden;transition:opacity .45s ease,visibility 0s .45s}
.lg-stage .log-fig.on{opacity:1;visibility:visible;transition:opacity .45s ease}
.lg-stage .log-fig img{height:360px;max-height:none;width:520px;max-width:100%;object-fit:contain;background:#030a14;display:block}
@media(max-width:900px){.lg-stage .log-fig img{height:300px}}
@media(max-width:480px){.lg-stage{justify-items:stretch}.lg-stage .log-fig img{height:260px;width:100%}}
@media(hover:none){.lg-tab:hover,.lg-nav:hover{transform:none}}
@media(max-width:480px){.lg-bar{flex-wrap:nowrap;gap:4px}.lg-tab{padding:8px 8px;letter-spacing:.06em}.lg-nav{padding:8px 6px}.log-entry{padding:4px 0 4px 12px}}