:root{color-scheme:dark;--bg:#070a0e;--panel:#0d1219;--line:#25313f;--text:#f2f6fb;--muted:#8594a7;--blue:#69baff;--cyan:#b6e4ff;--good:#67dfa1}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at 68% 12%,rgba(53,118,170,.18),transparent 30rem),linear-gradient(135deg,#0a1018 0,#070a0e 48%,#05070a 100%);color:var(--text);font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;overflow-x:hidden}.circuit{position:fixed;inset:0;pointer-events:none;opacity:.2;background-image:linear-gradient(rgba(103,186,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(103,186,255,.09) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(110deg,transparent 5%,#000 58%,transparent 92%)}.circuit:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 46%,rgba(127,207,255,.12) 46.2%,transparent 46.5%)}header,main,footer{position:relative;z-index:1}header{height:84px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,78px);border-bottom:1px solid rgba(117,144,174,.22);background:rgba(7,10,14,.72);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:14px;color:var(--text);text-decoration:none;font-size:.8rem;letter-spacing:.17em;font-weight:600}.brand b{color:var(--blue)}.brand img{width:54px;height:54px;object-fit:contain;filter:drop-shadow(0 0 18px rgba(114,192,255,.22))}.status{font-size:.66rem;letter-spacing:.14em;color:var(--muted);display:flex;align-items:center;gap:8px}.status i{width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 12px var(--good)}main{width:min(1280px,calc(100% - 40px));margin:auto}.hero{min-height:66vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:64px 0 54px}.kicker{color:var(--blue);font-size:.68rem;letter-spacing:.22em;font-weight:800;margin:0 0 18px}.hero h1{font-size:clamp(3rem,7vw,7.5rem);line-height:.92;letter-spacing:-.055em;margin:0;max-width:1050px;font-weight:640}.hero h1 em{font-style:normal;color:transparent;-webkit-text-stroke:1px rgba(190,221,245,.68);text-shadow:0 0 34px rgba(88,169,231,.14)}.intro{max-width:650px;color:#9ba9b9;font-size:clamp(1rem,1.6vw,1.28rem);margin:30px 0}.primary{display:inline-flex;align-items:center;gap:25px;color:#07101a;background:linear-gradient(120deg,#d9f1ff,#67baff);text-decoration:none;text-transform:uppercase;font-size:.73rem;letter-spacing:.13em;font-weight:900;padding:14px 18px;clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%)}.primary span{font-size:1.1rem}.systems{padding:35px 0 110px;scroll-margin-top:25px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:24px}.section-heading h2{font-size:clamp(1.8rem,4vw,3.2rem);margin:0;letter-spacing:-.035em}.section-heading>p{max-width:320px;color:var(--muted);margin:0;text-align:right}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.system{position:relative;min-height:220px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(18,26,36,.92),rgba(8,12,17,.92));color:var(--text);text-decoration:none;padding:28px;display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:auto 1fr auto;gap:12px 24px;overflow:hidden;transition:transform .25s,border-color .25s,background .25s}.system:before{content:"";position:absolute;right:-45px;top:-45px;width:150px;height:150px;border:1px solid rgba(102,183,246,.15);transform:rotate(45deg)}.system:hover{transform:translateY(-3px);border-color:#4d7194;background:linear-gradient(145deg,rgba(20,36,51,.96),rgba(9,14,20,.96))}.system.featured{border-color:#385e7d}.index{color:#647388;font-size:.7rem;letter-spacing:.12em}.icon{grid-column:3;font-size:1.65rem;color:var(--cyan)}.system div{grid-column:1/4;align-self:end}.system div p{font-size:.62rem;letter-spacing:.17em;color:var(--blue);font-weight:800;margin:0 0 4px}.system h3{font-size:1.55rem;margin:0 0 6px}.system div span{color:var(--muted)}.system>b{grid-column:3;font-size:.66rem;letter-spacing:.14em;color:#bfdcf2}footer{display:flex;justify-content:space-between;gap:20px;padding:25px clamp(20px,5vw,78px);border-top:1px solid rgba(117,144,174,.2);color:#667488;font-size:.61rem;letter-spacing:.14em}@media(max-width:720px){header{height:70px}.brand img{width:42px;height:42px}.brand{font-size:.68rem}.status{display:none}main{width:min(100% - 24px,1280px)}.hero{min-height:64vh;padding:46px 4px}.hero h1{font-size:clamp(3rem,16vw,5.2rem)}.section-heading{align-items:flex-start;flex-direction:column}.section-heading>p{text-align:left}.grid{grid-template-columns:1fr}.system{min-height:190px;padding:22px}footer{flex-direction:column}}

/* Private engineering vault */
.hidden{display:none!important}.site-shell{transition:filter .8s ease,transform .8s ease,opacity .8s ease}.vault-locked{overflow:hidden}.vault-locked .site-shell{filter:blur(13px) saturate(.65);transform:scale(1.025);opacity:.64;pointer-events:none;user-select:none}.header-actions{display:flex;align-items:center;gap:16px}.lock-vault{border:1px solid #37536d;background:rgba(14,25,36,.85);color:#c8e7fb;padding:9px 12px;text-transform:uppercase;font:800 .62rem/1 inherit;letter-spacing:.12em;cursor:pointer}.lock-vault:hover{border-color:var(--blue);color:#fff}.vault-gate{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at center,rgba(28,75,110,.08),rgba(1,3,6,.62));opacity:1;transition:opacity .6s ease;isolation:isolate}.vault-gate:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 79px,rgba(107,190,255,.035) 80px),repeating-linear-gradient(0deg,transparent 0 79px,rgba(107,190,255,.035) 80px);pointer-events:none}.vault-shell{position:relative;width:min(780px,94vw);min-height:410px;display:grid;grid-template-columns:330px minmax(0,1fr);align-items:center;gap:36px;padding:34px;border:1px solid rgba(130,180,218,.4);border-radius:22px;background:linear-gradient(145deg,rgba(17,25,34,.96),rgba(4,7,11,.98));box-shadow:0 30px 100px rgba(0,0,0,.72),inset 0 1px rgba(255,255,255,.08),0 0 70px rgba(75,158,218,.12);overflow:hidden}.vault-shell:before,.vault-shell:after{content:"";position:absolute;width:90px;height:1px;background:linear-gradient(90deg,var(--blue),transparent)}.vault-shell:before{left:0;top:18px}.vault-shell:after{right:0;bottom:18px;transform:rotate(180deg)}.vault-visual{display:grid;place-items:center;perspective:900px}.vault-door{position:relative;width:278px;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 38% 30%,#435365 0,#1a252f 22%,#0b1219 53%,#263746 54%,#0a1016 69%,#34495a 70%,#111a22 78%,#060a0e 100%);border:3px solid #71899c;box-shadow:inset 0 0 0 7px #111a23,inset 0 0 0 10px #475c6e,inset 0 0 35px #000,0 0 0 5px #05080b,0 18px 55px #000,0 0 42px rgba(86,171,233,.18);transform-origin:left center;transform-style:preserve-3d;transition:transform 1.1s cubic-bezier(.22,.8,.18,1),filter .8s ease}.vault-track{position:absolute;inset:35px;border:1px dashed rgba(169,205,230,.34);border-radius:50%;animation:vaultTrack 18s linear infinite}.vault-dial{position:absolute;inset:74px;border-radius:50%;border:2px solid #8aa3b7;background:radial-gradient(circle,#172632 0 23%,#426174 24% 27%,#0a1118 28% 50%,#32495c 51% 54%,#101820 55%);box-shadow:0 8px 26px #000,inset 0 1px 2px rgba(255,255,255,.3);transition:transform 1s cubic-bezier(.2,.8,.2,1)}.vault-core{position:absolute;inset:25%;display:grid;place-items:center;border-radius:50%;background:#070c11;border:1px solid #52738e;box-shadow:0 0 25px rgba(82,175,239,.23)}.vault-core img{width:94%;height:94%;object-fit:contain;filter:drop-shadow(0 0 10px rgba(107,190,255,.3))}.dial-line{position:absolute;left:50%;top:50%;width:93%;height:5px;border-radius:99px;background:linear-gradient(90deg,#8da5b8,#273b4b 32%,transparent 33% 67%,#273b4b 68%,#8da5b8);transform:translate(-50%,-50%)}.line-2{transform:translate(-50%,-50%) rotate(45deg)}.line-3{transform:translate(-50%,-50%) rotate(90deg)}.line-4{transform:translate(-50%,-50%) rotate(135deg)}.vault-bolt{position:absolute;z-index:2;width:12px;height:12px;border-radius:50%;background:#9eb1c1;border:2px solid #1b2a35;box-shadow:0 2px 7px #000}.bolt-1{left:49%;top:12px}.bolt-2{right:42px;top:45px}.bolt-3{right:12px;top:49%}.bolt-4{right:42px;bottom:45px}.bolt-5{left:49%;bottom:12px}.bolt-6{left:42px;bottom:45px}.vault-auth{position:relative;z-index:2}.vault-auth h1{font-size:clamp(2rem,5vw,3.4rem);line-height:.95;letter-spacing:-.045em;margin:0 0 15px}.vault-auth>p:not(.kicker){color:#93a3b5;margin:0 0 24px;max-width:370px}.vault-auth form{display:grid;gap:9px}.vault-auth label{text-transform:uppercase;font-size:.59rem;font-weight:800;letter-spacing:.14em;color:#91a6b8}.vault-auth input{width:100%;border:1px solid #33495d;border-radius:8px;background:#070c12;color:#fff;padding:12px 13px;font:inherit;outline:none;box-shadow:inset 0 1px 8px rgba(0,0,0,.45)}.vault-auth input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(105,186,255,.12),inset 0 1px 8px rgba(0,0,0,.45)}.vault-submit{position:relative;margin-top:8px;border:1px solid #8fd0ff;border-radius:8px;background:linear-gradient(120deg,#d9f1ff,#67baff);color:#07101a;padding:13px 17px;text-transform:uppercase;font:900 .68rem/1 inherit;letter-spacing:.15em;cursor:pointer;overflow:hidden}.vault-submit:disabled{cursor:wait;opacity:.75}.vault-submit i{display:none;width:12px;height:12px;margin-left:10px;border:2px solid rgba(7,16,26,.35);border-top-color:#07101a;border-radius:50%;vertical-align:-2px;animation:vaultSpin .7s linear infinite}.vault-shell.verifying .vault-submit i{display:inline-block}.vault-message{min-height:20px;margin-top:3px;color:#8395a7;font-size:.72rem}.vault-shell.denied{animation:vaultDenied .38s ease}.vault-shell.denied .vault-message{color:#ff8d96}.vault-shell.verified .vault-message{color:var(--good)}.vault-opening .vault-dial{transform:rotate(300deg)}.vault-opening .vault-door{transform:rotateY(-104deg) scale(.92);filter:brightness(1.35)}.vault-opening .vault-gate{opacity:0;transition-delay:.66s}.vault-opening .site-shell{filter:none;transform:none;opacity:1}.vault-opening .vault-bolt{transform:scale(.45);opacity:.35;transition:transform .45s ease,opacity .45s ease}.vault-opening .vault-shell{box-shadow:0 30px 100px rgba(0,0,0,.5),0 0 90px rgba(103,186,255,.2)}@keyframes vaultTrack{to{transform:rotate(360deg)}}@keyframes vaultSpin{to{transform:rotate(360deg)}}@keyframes vaultDenied{25%{transform:translateX(-7px)}50%{transform:translateX(7px)}75%{transform:translateX(-4px)}}@media(max-width:720px){.vault-gate{padding:10px}.vault-shell{width:min(96vw,470px);min-height:0;grid-template-columns:1fr;gap:18px;padding:22px}.vault-door{width:min(52vw,210px)}.vault-dial{inset:56px}.vault-auth{text-align:center}.vault-auth>p:not(.kicker){margin-left:auto;margin-right:auto}.vault-auth label{text-align:left}.header-actions{gap:8px}.lock-vault{padding:8px 9px}.vault-auth h1{font-size:2.4rem}}@media(max-height:670px) and (orientation:landscape){.vault-shell{grid-template-columns:230px 1fr;min-height:0;padding:18px 26px}.vault-door{width:210px}.vault-dial{inset:56px}.vault-auth>p:not(.kicker){margin-bottom:12px}.vault-auth input{padding:9px 11px}.vault-submit{padding:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Refined header identity: exact original emblem, visually transparent on the dark header. */
.brand{gap:12px}.brand-mark{width:64px;height:60px;display:block;overflow:hidden;flex:0 0 auto;background:linear-gradient(145deg,#fff 0,#c4d8e7 34%,#7595ad 67%,#e5f5ff 100%);-webkit-mask-image:url('/assets/middendorf-engineering-logo-transparent.png');mask-image:url('/assets/middendorf-engineering-logo-transparent.png');-webkit-mask-mode:luminance;mask-mode:luminance;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center -3px;mask-position:center -3px;-webkit-mask-size:82px 82px;mask-size:82px 82px;filter:drop-shadow(0 0 8px rgba(126,201,255,.38))}.brand-mark img{display:none}.brand-wordmark{display:grid;gap:2px;line-height:1}.brand-name{font-family:Bahnschrift,"Arial Narrow","Segoe UI Variable",sans-serif;font-size:1rem;font-weight:750;letter-spacing:.18em;color:transparent;background:linear-gradient(180deg,#fff 0,#b8c9d7 47%,#768c9f 100%);-webkit-background-clip:text;background-clip:text;text-shadow:0 0 18px rgba(164,213,247,.1)}.brand-discipline{display:flex;align-items:center;gap:7px;font-family:Bahnschrift,"Arial Narrow","Segoe UI Variable",sans-serif;font-size:.53rem;font-weight:700;letter-spacing:.42em;color:#75bff1}.brand-discipline:before,.brand-discipline:after{content:"";height:1px;flex:1;background:linear-gradient(90deg,transparent,#569ac9)}.brand-discipline:after{background:linear-gradient(90deg,#569ac9,transparent)}@media(max-width:720px){.brand-mark{width:50px;height:48px;-webkit-mask-size:66px 66px;mask-size:66px 66px;-webkit-mask-position:center -2px;mask-position:center -2px}.brand-name{font-size:.8rem;letter-spacing:.14em}.brand-discipline{font-size:.43rem;letter-spacing:.3em;gap:4px}}
.vault-locked{overflow-x:clip}