/* Anderson Consulting Engineers. Tokens follow the design system (direction E). */
@font-face{font-family:"Archivo";src:url("/assets/fonts/archivo-latin-wght-normal.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("/assets/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("/assets/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
:root{
  --paper:#F2F3EF;--sheet:#FAFAF7;--ink:#10181D;--ink-2:#2B363C;--ink-3:#4A555C;--viewer:#0B0F12;
  --on-ink:#F2F3EF;--on-ink-muted:#A9B4B8;--on-ink-soft:#C9D1D4;--rule-on-ink:#6B777E;--signal:#FF5A1F;
  --sans:"Archivo","Helvetica Neue",Arial,sans-serif;--mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --max:1240px;--pad:24px;--ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.5}
img,video{max-width:100%;display:block}
a{color:inherit}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px}
h1,h2,h3,p{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.on-ink .mono{color:var(--on-ink-muted)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--on-ink);padding:12px 16px;z-index:50}
.skip:focus{left:8px;top:8px}
@view-transition{navigation:auto}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:2px solid transparent;transition:border-color .3s var(--ease),transform .35s var(--ease)}
.site-header.is-stuck{border-bottom-color:var(--ink)}
.site-header.is-hidden{transform:translateY(-100%)}
.site-header__in{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.logo{display:block;width:190px;color:var(--ink)}
.logo svg{display:block;width:100%;height:auto}
.nav{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;font-size:15px;font-weight:500;text-decoration:none;position:relative}
.nav a:not(.btn)::after{content:"";position:absolute;left:14px;right:14px;bottom:9px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav a:not(.btn):hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:12px;min-height:56px;padding:0 26px;background:var(--signal);color:var(--ink);font-weight:800;font-size:18px;text-decoration:none;border:2px solid var(--ink);cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.btn svg{transition:transform .3s var(--ease)}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}
.btn:hover svg{transform:translateX(4px)}
.btn:active{transform:none;box-shadow:none}
.btn--ink{background:var(--ink);color:var(--on-ink);min-height:44px;padding:0 18px;font-size:15px;font-weight:600}
.btn--ink:hover{box-shadow:4px 4px 0 var(--signal)}
.on-ink .btn{border-color:var(--on-ink)}
.on-ink .btn:hover{box-shadow:4px 4px 0 var(--on-ink)}
.link{display:inline-flex;align-items:center;min-height:44px;font-weight:600;font-size:16px}
.arrow{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* hero */
.hero{display:flex;flex-wrap:wrap;gap:48px;align-items:center;padding-top:28px;padding-bottom:56px}
.hero__text{flex:1 1 420px;min-width:0;display:flex;flex-direction:column;gap:24px}
.hero h1{font-size:clamp(40px,6vw,76px);line-height:.98;font-weight:800;letter-spacing:-.02em}
.hero h1 span{display:block}
.hl{position:relative;display:inline-block;padding:0 10px;margin-left:-10px;z-index:0}
.hl::before{content:"";position:absolute;inset:0;background:var(--signal);z-index:-1;transform-origin:left}
.lead{font-size:19px;color:var(--ink-2);max-width:34em;text-wrap:pretty}
.hero__cta{display:flex;flex-wrap:wrap;gap:20px;align-items:center}
.hero__viewer{flex:1 1 460px;min-width:0}
.page-head{padding-top:20px;padding-bottom:0;display:flex;flex-direction:column;gap:14px}
.page-head h1{font-size:clamp(36px,5vw,64px);line-height:1;font-weight:800;letter-spacing:-.02em;max-width:17em}
.crumbs{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.crumbs a{display:inline-flex;align-items:center;min-height:44px}

/* sections */
.section{padding-top:72px;padding-bottom:72px}
.section--rule{border-top:2px solid var(--ink)}
.section h2{font-size:clamp(30px,4vw,46px);line-height:1.05;font-weight:800;letter-spacing:-.01em;max-width:18em}
.section__head{display:flex;flex-direction:column;gap:12px;margin-bottom:32px}
.band{border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:0 32px}
.facts>div{padding:22px 0}
.facts b{display:block;font-weight:800;font-size:26px;line-height:1.1}
.facts span{font-size:15px;color:var(--ink-3)}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:28px}
.col{border-top:2px solid var(--ink);padding-top:18px;display:flex;flex-direction:column;gap:8px}
.on-ink{background:var(--ink);color:var(--on-ink)}
.on-ink p{color:var(--on-ink-soft)}

/* register rows */
.rows{border-top:2px solid var(--ink)}
.row{display:flex;flex-wrap:wrap;gap:4px 24px;padding:16px 0;min-height:44px;border-bottom:1px solid var(--ink);align-items:baseline;text-decoration:none;position:relative;transition:padding .35s var(--ease),background-color .35s var(--ease)}
.rows>.row:last-child{border-bottom-width:2px}
.row__no{flex:0 0 48px;font-family:var(--mono);font-size:13px;color:var(--ink-3)}
.row__title{flex:3 1 320px;min-width:0;font-weight:600;font-size:19px}
.row__meta{flex:1 1 220px;min-width:0;font-size:15px;color:var(--ink-3)}
a.row::after{content:"";position:absolute;left:0;bottom:-1px;height:3px;width:100%;background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
a.row:hover{padding-left:14px;background:var(--sheet)}
a.row:hover::after{transform:scaleX(1)}

/* process */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));gap:32px;position:relative}
.step{display:flex;flex-direction:column;gap:10px}
.step__no{width:44px;height:44px;border:2px solid var(--ink);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:500;background:var(--paper);transition:background-color .5s var(--ease)}
.step.is-in .step__no{background:var(--signal)}
.step h3{font-size:21px;font-weight:800}
.step p{color:var(--ink-2)}

/* job page */
.job{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start;padding-top:48px;padding-bottom:72px}
.job__fig{flex:1 1 480px;min-width:0;margin:0;display:flex;flex-direction:column;gap:24px}
.job__notes{flex:1 1 420px;min-width:0;border-bottom:1px solid var(--ink)}
.note{border-top:1px solid var(--ink);padding:16px 0;display:flex;flex-wrap:wrap;gap:6px 20px}
.note .mono{flex:0 0 132px;padding-top:4px}
.note p{flex:1 1 280px;min-width:0}
.prose{max-width:44em;display:flex;flex-direction:column;gap:18px}
.prose h2{font-size:26px;line-height:1.15;margin-top:18px}
.list{margin:0;padding:0;list-style:none;border-top:1px solid var(--ink)}
.list li{padding:12px 0;border-bottom:1px solid var(--ink)}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(360px,100%),1fr));gap:40px}
.cta{display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
.cta h2{font-size:clamp(34px,5vw,60px);line-height:1;letter-spacing:-.02em;font-weight:800;max-width:none}
.cta>h2{flex:1 1 420px;min-width:0}

/* viewer */
.viewer{border:2px solid var(--ink);background:var(--viewer);color:var(--on-ink);display:flex;flex-direction:column}
.viewer__bar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 12px;padding:10px 14px;border-bottom:1px solid var(--ink-2);font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--on-ink-muted)}
.viewer__ctl{display:flex;gap:8px}
.vbtn{min-width:44px;height:44px;padding:0 10px;background:transparent;color:var(--on-ink);border:1px solid var(--rule-on-ink);font-family:var(--mono);font-size:12px;letter-spacing:.08em;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background-color .2s,border-color .2s}
.vbtn:hover{background:var(--ink-2);border-color:var(--on-ink)}
.vbtn svg{pointer-events:none}
.viewer__stage{position:relative;aspect-ratio:4/3;overflow:hidden;touch-action:pan-y;cursor:grab;user-select:none;-webkit-user-select:none;background:var(--viewer)}
.viewer__stage.is-drag{cursor:grabbing}
.viewer__stage>video,.viewer__stage>.spr,.viewer__stage>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.spr{background-size:600% 600%;background-repeat:no-repeat;visibility:hidden}
.viewer__stage.is-sprite .spr{visibility:visible}
.viewer__stage.is-sprite video{visibility:hidden}
.viewer__layers{position:absolute;inset:0;transition:opacity .45s var(--ease)}
.viewer__layers.is-swapping{opacity:0}
.viewer__layers>*{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.viewer__hint{position:absolute;left:14px;bottom:12px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--on-ink-muted);pointer-events:none}
.viewer__progress{height:3px;background:var(--ink-2)}
.viewer__progress i{display:block;height:3px;width:100%;background:var(--signal);transform:scaleX(0);transform-origin:left}
.viewer__text{padding:18px 18px 6px;display:flex;flex-direction:column;gap:8px;min-height:170px;transition:opacity .35s var(--ease),transform .35s var(--ease)}
.viewer__text.is-swapping{opacity:0;transform:translateY(6px)}
.viewer__svc{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--signal)}
.viewer__title{font-weight:800;font-size:22px;line-height:1.15;color:var(--on-ink);text-decoration:none}
a.viewer__title:hover{text-decoration:underline}
.viewer__desc{font-size:15px;color:var(--on-ink-soft)}
.viewer__tabs{display:flex;flex-wrap:wrap;gap:8px;padding:12px 18px 18px}
.vtab{min-width:48px;min-height:44px;padding:0 8px;font-family:var(--mono);font-size:13px;cursor:pointer;border:1.5px solid var(--rule-on-ink);background:transparent;color:var(--on-ink);transition:background-color .25s,color .25s,border-color .25s}
.vtab[aria-pressed="true"]{background:var(--signal);color:var(--ink);border-color:var(--signal)}
.viewer__cap{padding:10px 14px;border-top:1px solid var(--ink-2);font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--on-ink-muted)}

/* scope sheet */
.scope{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start}
.scope__form{flex:1 1 520px;min-width:0;display:flex;flex-direction:column;gap:28px}
.scope__head{display:flex;flex-direction:column;gap:12px}
.scope h2{color:var(--on-ink)}
.field{display:flex;flex-direction:column;gap:10px}
.field>label,.scope legend{font-weight:600;font-size:18px;padding:0}
.scope legend{margin-bottom:12px}
.scope legend i{font-style:normal;font-family:var(--mono);color:var(--signal);margin-right:10px}
.scope fieldset{border:0;padding:0;margin:0;min-width:0}
.scope textarea{width:100%;padding:14px;border:1.5px solid var(--rule-on-ink);background:var(--viewer);color:var(--on-ink);font-size:16px;line-height:1.5;resize:vertical;transition:border-color .2s}
.scope textarea:focus{border-color:var(--on-ink)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.chip span{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;font-size:15px;font-weight:500;border:1.5px solid var(--rule-on-ink);transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .15s}
.chip input:hover+span{border-color:var(--on-ink)}
.chip input:active+span{transform:scale(.97)}
.chip input:checked+span{background:var(--signal);color:var(--ink);border-color:var(--signal)}
.chip input:focus-visible+span{outline:3px solid var(--signal);outline-offset:3px}
.sheet{flex:1 1 380px;min-width:0;background:var(--paper);color:var(--ink);border:2px solid var(--signal);display:flex;flex-direction:column;position:sticky;top:96px}
.sheet__top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;border-bottom:2px solid var(--ink);font-family:var(--mono);font-size:12px;letter-spacing:.1em}
.sheet__rev{background:var(--ink);color:var(--on-ink);padding:4px 10px;display:inline-block}
.sheet__rev.is-flip{animation:flip .45s var(--ease)}
.sheet__row{display:flex;flex-wrap:wrap;gap:4px 16px;padding:14px 18px;border-bottom:1px solid var(--ink);transition:background-color .6s var(--ease)}
.sheet__row.is-changed{background:#FFD9C9;transition:none}
.sheet .mono{color:var(--ink-3)}
.sheet__top{text-transform:uppercase}
.sheet__row .mono{flex:0 0 96px;padding-top:3px}
.sheet__row div{flex:1 1 200px;min-width:0;font-weight:500;font-size:16px;overflow-wrap:anywhere}
.sheet__send{padding:18px;display:flex;flex-direction:column;gap:12px}
.sheet__send label{font-weight:600;font-size:15px}
.sheet__send p{color:var(--ink-3);font-size:13px}
.sheet input[type=email]{min-height:48px;padding:0 14px;width:100%;border:1.5px solid var(--ink);background:#fff;font-size:16px}
.sheet input[type=file]{min-height:44px;width:100%;font-size:14px}
.files{display:flex;flex-direction:column;gap:6px}
.sheet .btn{width:100%;justify-content:center}
.status{min-height:22px;font-size:14px;color:var(--ink-2)}
.hp{position:absolute;left:-9999px}

/* footer */
.site-footer{background:var(--ink);color:var(--on-ink);font-size:15px;line-height:1.8}
.site-footer__in{display:flex;flex-wrap:wrap;gap:24px 48px;padding-top:36px;padding-bottom:44px}
.site-footer__in>div{flex:1 1 220px;min-width:0;display:flex;flex-direction:column}
.site-footer a{color:var(--on-ink-soft);text-decoration:none}
.site-footer a:hover{color:var(--on-ink);text-decoration:underline}
.site-footer strong{letter-spacing:.09em;font-weight:800}
.site-footer small{color:var(--on-ink-muted);font-size:15px}

/* motion */
@keyframes flip{0%{transform:rotateX(0)}50%{transform:rotateX(90deg)}100%{transform:rotateX(0)}}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes wipe{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.js [data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0ms)}
.js [data-reveal].is-in{opacity:1;transform:none}
.js .hero h1 span{opacity:0;animation:rise .8s var(--ease) forwards}
.js .hero h1 span:nth-child(2){animation-delay:.12s}
.js .hero h1 span:nth-child(3){animation-delay:.24s}
.js .hl::before{transform:scaleX(0);animation:wipe .7s var(--ease) .75s forwards}
.js .hero .lead,.js .hero__cta{opacity:0;animation:rise .8s var(--ease) .4s forwards}
.js .hero__cta{animation-delay:.52s}
.js .hero__viewer{opacity:0;animation:rise .9s var(--ease) .3s forwards}
.js .rule-draw{position:relative}
.js .rule-draw::before{content:"";position:absolute;left:0;top:-2px;height:2px;width:100%;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform 1.1s var(--ease)}
.js .rule-draw.is-in::before{transform:scaleX(1)}
.js .col.rule-draw{border-top-color:transparent}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0ms!important;transition-duration:.01ms!important;transition-delay:0ms!important}
  .js [data-reveal]{opacity:1;transform:none}
  @view-transition{navigation:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .logo{width:160px}
  .nav{gap:0;width:100%;justify-content:space-between}
  .nav a{padding:0 6px;font-size:14px}
  .nav a:not(.btn)::after{left:6px;right:6px}
  .nav a.btn{padding:0 12px}
  .nav a:first-child{padding-left:0}
  .nav a:first-child::after{left:0}
  .section{padding-top:52px;padding-bottom:52px}
  .sheet{position:static}
  .viewer__text{min-height:0}
}
@media (max-width:380px){
  .nav a{font-size:13px;padding:0 4px}
  .nav a:not(.btn)::after{left:4px;right:4px}
  .nav a.btn{padding:0 9px}
}
@media print{.site-header,.viewer__ctl,.viewer__tabs,.scope{display:none}}