/* Groundwork Simulator Guide — site skin (written from DESIGN-BRIEF.md).
   Palette + structure taken from the game's own art: shadowed earth base,
   machine brass/rust, olive canopy, hazy sky blue. Deliberately NO light-mode
   fallback — the palette IS the game's. */

@font-face{font-family:"Archivo Black";src:url(assets/fonts/archivo-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Sans";src:url(assets/fonts/plexsans-400.woff2) format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(assets/fonts/plexmono-500.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --soil:#17120c; --soil-2:#241a11; --soil-3:#2e2216;
  --panel:#241c13; --edge:#3d2f1d; --edge-2:#5a4526;
  --brass:#e0a03f; --brass-2:#f2c268; --rust:#c9762f;
  --olive:#7d8c52; --haze:#8bace1; --bone:#f2e6d2; --bone-dim:#cbb99d;
  --ink:#0c0906;
  --display:"Archivo Black","Arial Black",Impact,sans-serif;
  --body:"Plex Sans","Segoe UI",Roboto,sans-serif;
  --mono:"Plex Mono",ui-monospace,Consolas,monospace;
  --maxw:1320px;
  --hard:8px 8px 0 var(--ink);
  --contour:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='640' height='640' viewBox='0 0 640 640'%3E%3Cg fill='none' stroke='%23f2e6d2' stroke-opacity='.05' stroke-width='1'%3E%3Cpath d='M-20 150C90 60 190 210 300 160S480 40 660 120'/%3E%3Cpath d='M-20 190C90 100 190 250 300 200S480 80 660 160'/%3E%3Cpath d='M-20 350C120 260 200 430 330 380S500 250 660 330'/%3E%3Cpath d='M-20 390C120 300 200 470 330 420S500 290 660 370'/%3E%3Cpath d='M-20 555C110 470 210 610 340 560S520 440 660 520'/%3E%3C/g%3E%3C/svg%3E");
  color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;color:var(--bone);font-family:var(--body);font-size:17px;line-height:1.62;
  background:
    radial-gradient(1200px 520px at 12% -6%,rgba(224,160,63,.15),transparent 70%),
    radial-gradient(900px 620px at 92% 4%,rgba(125,140,82,.14),transparent 72%),
    linear-gradient(180deg,var(--soil-3) 0%,var(--soil-2) 42%,var(--soil) 100%);
  background-attachment:fixed,fixed,fixed;background-repeat:no-repeat;
}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:var(--contour);background-size:640px 640px;opacity:.9;mix-blend-mode:screen}
img{max-width:100%;height:auto;display:block}
a{color:var(--brass-2);text-decoration:none;border-bottom:1px solid rgba(224,160,63,.35)}
a:hover{color:#fff;border-bottom-color:var(--brass)}
a:focus-visible{outline:2px dashed var(--brass);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--display);font-weight:400;line-height:1.02;letter-spacing:-.015em;text-transform:uppercase;margin:0 0 .5em}
p{margin:0 0 1em}
strong,b{color:var(--brass-2)}
table strong,table b{color:inherit}
code{font-family:var(--mono);font-size:.92em;background:#120d08;border:1px solid var(--edge);padding:1px 5px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:60;background:var(--brass);color:var(--ink);padding:8px 14px}

/* ---- worksite tape + top bar ---- */
.ribbon{position:relative;z-index:5;background:var(--brass);color:var(--ink);
  font-family:var(--mono);font-size:12px;letter-spacing:.13em;text-transform:uppercase;padding:12px 0 9px}
.ribbon::before{content:"";display:block;height:7px;margin:-12px 0 8px;
  background:repeating-linear-gradient(45deg,var(--ink) 0 13px,var(--brass) 13px 26px)}
.ribbon .wrap{display:flex;gap:10px;align-items:center}
.ribbon .wrap::before{content:"";width:9px;height:9px;background:var(--ink);flex:0 0 auto}

.topbar{position:sticky;top:0;z-index:40;background:rgba(23,18,12,.95);border-bottom:2px solid var(--ink);
  box-shadow:0 3px 0 rgba(224,160,63,.35)}
.bar{display:flex;align-items:center;gap:16px;min-height:64px;flex-wrap:wrap;padding:8px 0}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;position:relative;z-index:1}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-size:15px;line-height:1.1;
  text-transform:uppercase;color:var(--bone);border:0;max-width:250px}
.brand img{width:40px;height:40px;border:2px solid var(--brass);border-radius:3px;object-fit:cover;flex:0 0 auto}
.brand:hover{color:var(--brass-2)}
.nav{display:flex;align-items:center;gap:16px;margin-left:auto;flex-wrap:wrap;min-width:0}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.nav li{position:relative}
.nav li>a,.nav>a{display:block;padding:8px 11px;font-family:var(--mono);font-size:12.5px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--bone-dim);border:0;border-radius:3px}
.nav li>a:hover,.nav>a:hover{color:var(--brass-2);background:rgba(224,160,63,.1)}
.nav li.active>a{color:var(--ink);background:var(--brass)}
.nav .has-kids>a::after{content:"▾";margin-left:6px;font-size:10px;opacity:.8}
.nav .kids{display:none;position:absolute;top:calc(100% + 8px);left:-6px;min-width:270px;
  flex-direction:column;gap:0;background:var(--panel);border:2px solid var(--edge-2);
  box-shadow:var(--hard);padding:6px;z-index:50;list-style:none;margin:0}
.nav .has-kids:hover .kids,.nav .has-kids:has(:focus-visible) .kids{display:flex}
.nav .has-kids::after{content:"";display:none;position:absolute;left:-6px;top:100%;width:270px;height:10px}
.nav .has-kids:hover::after{display:block}
.nav .kids li>a{padding:8px 10px;white-space:nowrap;border-bottom:1px solid rgba(61,47,29,.7)}
.nav .kids li:last-child>a{border-bottom:0}
.nav a.cta{display:inline-flex;align-items:center;gap:7px;background:var(--brass);color:var(--ink);
  font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;
  padding:9px 14px;border:2px solid var(--ink);border-radius:3px;box-shadow:4px 4px 0 rgba(12,9,6,.9)}
.nav a.cta:hover{background:var(--brass-2);color:var(--ink);transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(12,9,6,.9)}
.lang{position:relative;font-family:var(--mono);font-size:12px;color:var(--bone-dim)}
.lang summary{list-style:none;cursor:pointer;padding:8px 10px;border:1px solid var(--edge);border-radius:3px;
  letter-spacing:.08em;text-transform:uppercase}
.lang summary::-webkit-details-marker{display:none}
.lang summary::after{content:"▾";margin-left:6px;font-size:10px}
.lang ul{list-style:none;margin:0;padding:6px;position:absolute;right:0;top:calc(100% + 6px);min-width:132px;
  background:var(--panel);border:2px solid var(--edge-2);box-shadow:var(--hard);z-index:50}
.lang a{display:block;padding:6px 8px;color:var(--bone);border:0}

/* ---- hero ---- */
.hero{border-bottom:2px solid var(--ink);padding:38px 0 42px}
.hero-in{display:flex;gap:34px;align-items:center;flex-wrap:wrap}
.hero-copy{flex:1 1 430px;min-width:0}
.hero .eyebrow,.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink);background:var(--brass);display:inline-block;padding:5px 10px;margin:0 0 16px;
  transform:rotate(-1.2deg);box-shadow:4px 4px 0 var(--ink)}
.hero h1{font-size:clamp(44px,7.2vw,98px);margin:0 0 14px;color:var(--bone);text-shadow:5px 5px 0 var(--ink)}
.hero h1 .thin{color:var(--brass);text-shadow:5px 5px 0 var(--ink),-2px -2px 0 var(--ink),2px -2px 0 var(--ink),-2px 2px 0 var(--ink)}
.hero .lead{font-size:19px;color:var(--bone-dim);max-width:46ch;margin-bottom:0}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 0}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:13px;letter-spacing:.06em;
  text-transform:uppercase;padding:13px 18px;background:var(--brass);color:var(--ink);border:2px solid var(--ink);
  border-radius:3px;box-shadow:6px 6px 0 var(--ink);font-weight:500}
.btn:hover{background:var(--brass-2);color:var(--ink);transform:translate(3px,3px);box-shadow:3px 3px 0 var(--ink);border-bottom-color:var(--ink)}
.btn.ghost{background:transparent;color:var(--bone);box-shadow:6px 6px 0 rgba(12,9,6,.9)}
.btn.ghost:hover{background:rgba(224,160,63,.14);color:var(--brass-2)}
.hero-shot{flex:1 1 480px;min-width:0;margin:0}
.hero-shot img{width:100%;border:3px solid var(--ink);box-shadow:10px 10px 0 rgba(12,9,6,.92);cursor:zoom-in}
.hero-shot figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--bone-dim);margin-top:9px}

/* ---- diesel-gauge readout strip ---- */
.facts-strip{background:#120d08;border-bottom:2px solid var(--ink);padding:16px 0}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px;background:var(--edge)}
.fact{background:var(--panel);padding:11px 13px 13px;position:relative}
.fact::before,.fact::after{content:"";position:absolute;width:4px;height:4px;border-radius:50%;background:var(--edge-2)}
.fact::before{left:5px;top:5px}
.fact::after{right:5px;bottom:5px}
.fact-k{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--olive)}
.fact-v{display:block;font-family:var(--display);font-size:17px;color:var(--brass);margin-top:3px;line-height:1.15}
.fact .gauge{display:block;height:5px;margin-top:9px;
  background:repeating-linear-gradient(90deg,var(--brass) 0 7px,rgba(224,160,63,.18) 7px 12px)}
.fact:nth-child(2) .gauge{background:repeating-linear-gradient(90deg,var(--haze) 0 7px,rgba(139,172,225,.18) 7px 12px)}
.fact:nth-child(3) .gauge{background:repeating-linear-gradient(90deg,var(--rust) 0 7px,rgba(201,118,47,.18) 7px 12px)}
.fact:nth-child(4) .gauge{background:repeating-linear-gradient(90deg,var(--olive) 0 7px,rgba(125,140,82,.18) 7px 12px)}

/* ---- section heads + job-ticket cards ---- */
.section-head{display:flex;align-items:flex-end;gap:14px;margin:44px 0 18px;
  border-bottom:2px solid var(--edge-2);padding-bottom:10px;flex-wrap:wrap}
.overline{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--rust)}
.section-head h2{font-size:clamp(23px,2.6vw,34px);margin:0;color:var(--bone)}
.count-pill{display:inline-block;margin-left:10px;font-family:var(--mono);font-size:12px;background:var(--brass);
  color:var(--ink);padding:2px 8px;vertical-align:middle;border-radius:999px}
.grid{display:flex;flex-wrap:wrap;gap:18px;margin:0 0 8px}
.grid[data-n="1"] .card{flex:1 1 100%}
.grid[data-n="2"] .card{flex:1 1 calc(50% - 9px)}
.grid[data-n="3"] .card{flex:1 1 calc(33.333% - 12px)}
.card{flex:1 1 268px;min-width:0;background:var(--panel);border:2px solid var(--edge-2);border-radius:3px;
  box-shadow:7px 7px 0 rgba(12,9,6,.9);overflow:hidden;display:flex;flex-direction:column;color:var(--bone)}
.card:hover{border-color:var(--brass);transform:translate(-2px,-2px);box-shadow:10px 10px 0 rgba(12,9,6,.95);color:var(--bone)}
.card .thumb{position:relative;display:block;aspect-ratio:16/9;background:#0f0b07;overflow:hidden;
  clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,0 100%)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 2px rgba(12,9,6,.75);pointer-events:none}
.pill-tag{position:absolute;left:0;bottom:8px;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;background:var(--brass);color:var(--ink);padding:3px 9px;
  clip-path:polygon(0 0,100% 0,calc(100% - 7px) 100%,0 100%)}
.card-body{padding:14px 15px 15px;display:flex;flex-direction:column;gap:7px;flex:1}
.card-body h3{font-size:19px;margin:0;color:var(--bone);letter-spacing:0;line-height:1.08}
.card:hover .card-body h3{color:var(--brass-2)}
.card-body p{font-size:14px;color:var(--bone-dim);margin:0;line-height:1.5}
.go{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--rust);margin-top:auto}
.stamp{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#a3927a}
.card.sm .card-body{padding:11px 13px}
.card.sm .card-body h3{font-size:15.5px}

/* ---- home prose panel ---- */
.home-prose{background:var(--panel);border:2px solid var(--edge-2);border-radius:3px;
  box-shadow:8px 8px 0 rgba(12,9,6,.9);padding:30px 30px 14px;margin:30px 0 10px;counter-reset:h2c}
.home-prose h2,.article h2{font-size:clamp(22px,2.5vw,31px);color:var(--bone);
  border-left:7px solid var(--rust);padding-left:13px;margin:34px 0 12px;display:flex;align-items:baseline;gap:10px;scroll-margin-top:86px}
.home-prose h2::before,.article h2::before{content:"0" counter(h2c);counter-increment:h2c;
  font-family:var(--mono);font-size:12px;color:var(--brass);letter-spacing:.1em;flex:0 0 auto}
.home-prose>p,.article>p{max-width:92ch;color:#e7dbc7}
.home-prose ul,.article ul,.home-prose ol,.article ol{max-width:92ch;padding-left:22px;margin:0 0 1.1em}
.home-prose li,.article li{margin:0 0 .45em}
.home-prose li::marker,.article li::marker{color:var(--brass)}
.home-prose h3,.article h3{font-size:19px;color:var(--brass);margin:24px 0 8px;letter-spacing:0}

/* ---- article layout ---- */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 238px;gap:30px;padding-top:24px;align-items:start}
.article-grid>div{min-width:0}
.crumb{font-family:var(--mono);font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;
  color:var(--bone-dim);margin:0 0 14px;display:flex;gap:7px;flex-wrap:wrap}
.crumb a{color:var(--rust);border:0}
.crumb .sep{color:#a3927a}
.crumb .here{color:var(--brass-2)}
.article{background:var(--panel);border:2px solid var(--edge-2);border-radius:3px;
  box-shadow:9px 9px 0 rgba(12,9,6,.9);padding:30px 32px 26px;counter-reset:h2c;min-width:0}
.article h1{font-size:clamp(31px,4.2vw,52px);color:var(--bone);text-shadow:4px 4px 0 rgba(12,9,6,.9);margin:0 0 12px}
.article .art-lead{font-size:18.5px;color:var(--bone-dim);max-width:88ch;margin:0 0 12px;
  border-left:4px solid var(--brass);padding-left:14px}
.art-meta{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:#9d8d74;margin:0 0 22px;padding-bottom:14px;border-bottom:1px solid var(--edge)}
.quick-answer{position:relative;background:#120d08;border:2px solid var(--brass);border-radius:3px;
  padding:16px 18px 13px;margin:0 0 24px;box-shadow:5px 5px 0 rgba(224,160,63,.22)}
.quick-answer p{margin:0;font-size:17px;color:var(--bone);max-width:88ch}
.qa-stamp{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink);background:var(--brass);padding:2px 7px;margin-bottom:8px}
.callout{background:rgba(201,118,47,.1);border-left:5px solid var(--rust);padding:13px 16px;margin:0 0 1.2em;max-width:92ch}
.callout p:last-child{margin:0}
.callout.tip{background:rgba(139,172,225,.1);border-left-color:var(--haze)}
.callout.warn{background:rgba(224,160,63,.12);border-left-color:var(--brass)}
blockquote{margin:0 0 1.2em;padding:12px 16px;border-left:4px solid var(--edge-2);
  background:#1b140d;color:var(--bone-dim);font-style:italic;max-width:88ch}
.tbl-wrap{max-width:100%;overflow-x:auto;margin:0 0 1.4em;border:2px solid var(--edge-2);border-radius:3px}
table{border-collapse:collapse;width:100%;font-size:15px;min-width:520px}
th{background:#120d08;color:var(--brass);font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;
  text-transform:uppercase;text-align:left;padding:11px 13px;border-bottom:2px solid var(--edge-2)}
td{padding:10px 13px;border-bottom:1px solid var(--edge);vertical-align:top;color:#e7dbc7}
tr:nth-child(even) td{background:rgba(255,255,255,.022)}
tr:last-child td{border-bottom:0}
.article img.zoom,.home-prose img.zoom{width:100%;border:2px solid var(--ink);box-shadow:7px 7px 0 rgba(12,9,6,.9);
  margin:6px 0 16px;cursor:zoom-in}
.toc{position:sticky;top:86px;background:var(--panel);border:2px solid var(--edge-2);border-radius:3px;padding:14px 15px;
  box-shadow:6px 6px 0 rgba(12,9,6,.85)}
.toc .overline{display:block;margin-bottom:9px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{font-family:var(--mono);font-size:12px;line-height:1.35;color:var(--bone-dim);border:0;
  padding:5px 0 5px 9px;border-left:2px solid var(--edge);display:block}
.toc-list a:hover{color:var(--brass-2);border-left-color:var(--brass)}
.all-guides{margin-top:34px;border-top:2px solid var(--edge-2);padding-top:10px}
.all-link{margin:16px 0 4px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.all-link a{color:var(--brass);border:0;border-bottom:1px solid rgba(224,160,63,.4)}

/* ---- ad slot (Adsterra native banner; renders only when keys are set) ---- */
@media (hover: hover) and (pointer: fine){
  .ad-slot{display:block}
}
@media not all and (hover: hover) and (pointer: fine){
  .ad-slot{display:none}
}
.ad-slot{margin:26px auto;max-width:var(--maxw)}
.ad-label{margin:0 0 8px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--bone-dim)}
.ad-inner{min-height:90px;border:2px solid var(--edge);background:var(--panel);overflow:hidden}

/* ---- footer ---- */
.foot{background:#0f0b07;border-top:3px solid var(--brass);margin-top:52px;padding:28px 0 34px;
  font-size:13.5px;color:var(--bone-dim)}
.foot .wrap{display:flex;flex-direction:column;gap:10px}
.foot .disclaimer{max-width:96ch;color:#a8997f;margin:0}
.foot-links{display:flex;gap:8px;flex-wrap:wrap;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.1em;text-transform:uppercase;margin:0}
.foot-links a{color:var(--brass);border:0}
.foot .muted{font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:#a3927a;margin:0}

/* ---- lightbox ---- */
.lightbox{position:fixed;inset:0;background:rgba(9,7,4,.95);display:flex;align-items:center;justify-content:center;
  cursor:zoom-out;z-index:80;padding:18px}
.lightbox img{max-width:min(1500px,96vw);max-height:92vh;width:auto;height:auto;border:3px solid var(--brass)}

/* ---- responsive ---- */
@media (max-width:1180px){
  .article-grid{grid-template-columns:minmax(0,1fr) 212px;gap:24px}
  .hero-in{gap:26px}
  table{font-size:14px}
}
@media (max-width:1000px){
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;order:2}
  .home-prose{padding:24px 20px 8px}
  .article{padding:24px 20px 20px}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  .bar{min-height:0;padding:9px 0;gap:10px}
  .nav{margin-left:0;width:100%;order:3}
  .nav ul{flex-wrap:wrap;width:100%}
  .nav li{min-width:0}
  .nav li.has-kids{flex:1 1 100%}
  .nav .has-kids>a{display:inline-block}
  .nav .kids{position:static;display:flex;box-shadow:none;border:0;border-left:2px solid var(--edge);
    padding:1px 0 1px 8px;margin:3px 0 0;min-width:0;max-width:100%;flex-direction:row;flex-wrap:nowrap;
    overflow-x:auto;background:transparent;width:100%}
  .nav .kids li>a{padding:5px 8px;border-bottom:0;white-space:nowrap;font-size:11px}
  .nav .has-kids::after{display:none}
  .lang{margin-left:auto}
  .hero{padding:26px 0 30px}
  .hero-shot{order:-1;flex:1 1 100%}
  .hero-copy{flex:1 1 100%}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .hero h1{font-size:clamp(32px,10.4vw,54px);text-shadow:3px 3px 0 var(--ink);overflow-wrap:normal}
  .hero h1 .thin{-webkit-text-stroke-width:1.5px}
  .hero .lead{font-size:17px}
  .btn{width:100%;justify-content:center}
  .grid .card{flex:1 1 100%}
  .facts{grid-template-columns:minmax(0,1fr)}
  .article,.home-prose{padding:20px 15px 14px;box-shadow:5px 5px 0 rgba(12,9,6,.85)}
  .home-prose h2,.article h2{border-left-width:5px;padding-left:10px}
  .card .thumb{clip-path:none}
  table{min-width:440px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}