/* ClassYourFreight: weigh-station / spec-sheet skin (logistics archetype) */
:root{
  --t-ink:#12171d;--t-ink2:#1d252e;--t-muted:#64707c;--t-line:rgba(18,23,29,.14);
  --t-line2:rgba(18,23,29,.26);--t-bg:#eef1f3;--t-card:#ffffff;--t-accent:#458fd3;
  --t-accent2:#98bee1;--t-accent-dk:#25639d;--t-good:#1f9d6b;
  --t-shadow:0 1px 0 rgba(18,23,29,.06),0 10px 26px rgba(18,23,29,.10);
  --t-shadow-lg:0 4px 0 var(--t-accent-dk),0 20px 44px rgba(18,23,29,.20);
  --t-radius:0px;--t-maxw:1140px;
  --t-head:'Saira',system-ui,sans-serif;--t-body:'IBM Plex Sans',system-ui,sans-serif;
  --t-mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}
body{margin:0;font-family:var(--t-body);color:var(--t-ink);background:var(--t-bg);
  line-height:1.62;-webkit-font-smoothing:antialiased;min-height:100dvh}
img{max-width:100%;display:block}a{color:var(--t-accent-dk);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--t-accent);outline-offset:2px}
.wrap{max-width:var(--t-maxw);margin:0 auto;padding:0 22px}
h1,h2,h3,h4{font-family:var(--t-head);line-height:1.1;margin:0 0 .5em;color:var(--t-ink);letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.4vw,3.05rem);font-weight:700}
h2{font-size:clamp(1.4rem,2.8vw,1.85rem);font-weight:700}
h3{font-size:1.1rem;font-weight:600}p{margin:0 0 1rem}
.mono,.num{font-family:var(--t-mono);font-variant-numeric:tabular-nums}

/* ---- header ---- */
.site-header{position:sticky;top:0;z-index:50;background:var(--t-ink);border-bottom:2px solid var(--t-accent)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:11px}.brand:hover{text-decoration:none}
.brand .name{font-family:var(--t-head);font-weight:700;font-size:1.2rem;color:#fff;line-height:1;letter-spacing:-.01em}
.brand .name .accent{color:var(--t-accent2)}
.brand .tag{display:block;font-family:var(--t-mono);font-size:.58rem;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(255,255,255,.48);margin-top:4px;font-weight:500}
.nav{display:flex;align-items:center;gap:2px}
.nav a{color:rgba(255,255,255,.78);font-weight:600;font-size:.83rem;padding:9px 12px}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08);text-decoration:none}
.nav a.cta{background:var(--t-accent);color:#0d1116}.nav a.cta:hover{background:var(--t-accent2)}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.3);
  width:42px;height:38px;color:#fff;font-size:1.2rem;cursor:pointer}
@media(max-width:760px){.menu-btn{display:block}
  .nav{position:absolute;top:64px;left:0;right:0;background:var(--t-ink);flex-direction:column;
    align-items:stretch;gap:0;padding:8px 14px 16px;display:none;border-bottom:2px solid var(--t-accent)}
  .nav.open{display:flex}.nav a{padding:13px 12px;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav a.cta{margin-top:8px;text-align:center}}

/* ---- homepage hero: gently-asymmetric, mascot under copy, calc tile on the right ---- */
.hero{position:relative;background:var(--t-ink);color:#fff;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(69,143,211,.14),transparent 60%),
  repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 64px)}
.hero .wrap{position:relative;padding:52px 22px 46px}
.hero-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:start}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}}
.hero-left{display:flex;flex-direction:column}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--t-mono);font-weight:600;text-transform:uppercase;
  letter-spacing:.16em;font-size:.7rem;color:var(--t-accent2);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--t-accent);display:inline-block}
.hero h1{color:#fff;max-width:15ch}.hero h1 em{color:var(--t-accent);font-style:normal}
.hero p.sub{font-size:1.08rem;color:rgba(255,255,255,.82);max-width:48ch;margin:6px 0 22px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-art{width:100%;max-width:340px;margin:auto 0 0}
@media(max-width:860px){.hero-art{max-width:280px;margin:8px auto 0}}

/* ---- homepage flagship calc tile (live, mirrors the full tool's math) ---- */
.hero-right{display:flex;flex-direction:column}
.calc-mini{background:var(--t-card);border:1px solid var(--t-ink2)}
.calc-mini .field{margin-bottom:0}
.mini-result{margin-top:16px;padding-top:14px;border-top:1px solid var(--t-line)}
.mini-answer{font-size:.94rem;color:var(--t-ink2);margin:0 0 10px;font-weight:500}
.calc-mini .result-row{border-bottom:1px solid var(--t-line);padding:10px 0}
.calc-mini .result-row .lbl{color:var(--t-muted);font-family:var(--t-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.calc-mini .result-row .val{color:var(--t-accent-dk);font-size:1.2rem}
.calc-mini .result-row.hero-result .val{font-size:2rem;color:var(--t-ink)}
.authority-strip{font-family:var(--t-mono);font-size:.72rem;color:var(--t-muted);margin:14px 0 14px;line-height:1.6}

.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--t-head);font-weight:700;
  font-size:.92rem;padding:12px 22px;border-radius:var(--t-radius);border:0;cursor:pointer;transition:.14s;text-decoration:none}
.btn-primary{background:var(--t-accent);color:#0d1116;box-shadow:0 4px 0 var(--t-accent-dk)}
.btn-primary:hover{background:var(--t-accent2);text-decoration:none}
.btn-primary:active{transform:translateY(2px) scale(.98);box-shadow:0 2px 0 var(--t-accent-dk)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:#fff;text-decoration:none}
.btn-ghost:active{transform:scale(.98)}
.btn-block{width:100%;justify-content:center}

/* trust / authority strip */
.trust{background:var(--t-ink2);color:rgba(255,255,255,.85);border-top:1px solid rgba(255,255,255,.08)}
.trust .wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 30px;padding:13px 22px;
  font-family:var(--t-mono);font-size:.76rem;font-weight:500}
.trust span{display:inline-flex;align-items:center;gap:7px}.trust .dot{color:var(--t-accent)}

section{padding:56px 0}.section-head{text-align:center;max-width:60ch;margin:0 auto 34px}
.section-head .kicker{font-family:var(--t-mono);text-transform:uppercase;letter-spacing:.16em;
  color:var(--t-accent-dk);font-size:.76rem;font-weight:600;margin-bottom:8px}
.section-head p{color:var(--t-muted)}

/* ---- spec-sheet numbered labels ---- */
.spec-label{font-family:var(--t-mono);font-size:.72rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--t-accent-dk);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.spec-label::before{content:"";width:14px;height:1px;background:var(--t-line2)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:16px}
.card{background:var(--t-card);border:1px solid var(--t-line);border-radius:var(--t-radius);padding:22px;
  transition:.15s;display:flex;flex-direction:column}
.card:hover{border-color:var(--t-accent);transform:translateY(-3px);text-decoration:none}
.card .ico{width:44px;height:44px;border-radius:0;background:#e7eff8;border:1px solid var(--t-line);display:flex;
  align-items:center;justify-content:center;margin-bottom:14px}
.card .ico svg{width:24px;height:24px}
.card h3{margin-bottom:7px}.card p{color:var(--t-muted);font-size:.91rem;margin:0 0 15px;flex:1}
.card .go{font-family:var(--t-mono);font-weight:600;font-size:.8rem;color:var(--t-accent-dk)}

/* ---- tool-hero (inner pages) ---- */
.tool-hero{background:var(--t-ink);color:#fff;border-bottom:2px solid var(--t-accent);padding:0}
.tool-hero .wrap{padding:38px 22px 34px;position:relative}
.tool-hero .crumbs{font-family:var(--t-mono);font-size:.74rem;color:rgba(255,255,255,.5);margin-bottom:12px;font-weight:500}
.tool-hero .crumbs a{color:var(--t-accent2)}.tool-hero h1{color:#fff}
.tool-hero p{color:rgba(255,255,255,.8);max-width:62ch;margin:0}
body:not(:has(.calc-layout)) .tool-hero .wrap{max-width:760px}

/* ---- calculator layout: the spec plate ---- */
.calc-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;margin-top:-34px;position:relative;z-index:5}
@media(max-width:860px){.calc-layout{grid-template-columns:1fr;margin-top:-24px}}
.panel{background:var(--t-card);border:1px solid var(--t-line);border-radius:var(--t-radius);
  box-shadow:var(--t-shadow);padding:24px}
.panel h2{font-family:var(--t-mono);font-size:.95rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:18px;color:var(--t-ink2)}
.field{margin-bottom:14px}.field label{display:block;font-weight:600;font-size:.8rem;
  color:var(--t-ink2);margin-bottom:6px}
.field input,.field select{width:100%;padding:11px 12px;border:1.5px solid var(--t-line2);border-radius:var(--t-radius);
  font-size:1rem;font-family:var(--t-mono);background:#fff;color:var(--t-ink)}
.field input:focus,.field select:focus{outline:none;border-color:var(--t-accent);
  box-shadow:0 0 0 3px rgba(69,143,211,.22)}
.results .panel{background:var(--t-ink);border:1px solid var(--t-ink2);color:#fff;height:100%;
  box-shadow:var(--t-shadow-lg);position:relative}
.results .panel::before{content:"";position:absolute;top:10px;left:10px;width:10px;height:10px;border-top:2px solid var(--t-accent);border-left:2px solid var(--t-accent)}
.results .panel::after{content:"";position:absolute;bottom:10px;right:10px;width:10px;height:10px;border-bottom:2px solid var(--t-accent);border-right:2px solid var(--t-accent)}
.results h2{color:rgba(255,255,255,.7)}
.result-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:13px 0;
  border-bottom:1px solid rgba(255,255,255,.1)}.result-row:last-child{border-bottom:0}
.result-row .lbl{color:rgba(255,255,255,.65);font-weight:600;font-size:.85rem;font-family:var(--t-mono);text-transform:uppercase;letter-spacing:.04em}
.result-row .val{font-family:var(--t-mono);font-weight:700;font-size:1.4rem;color:var(--t-accent2)}
.result-row.hero-result{padding-top:2px}
.result-row.hero-result .val{font-size:2.4rem;color:var(--t-accent2);letter-spacing:-.01em}
.note{font-size:.8rem;color:var(--t-muted);margin-top:14px}.results .note{color:rgba(255,255,255,.5)}

.prose{max-width:760px;margin:0 auto}.prose p{color:var(--t-ink2)}.lead{font-size:1.08rem;color:var(--t-ink2)}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.92rem}
.prose th{text-align:left;font-family:var(--t-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--t-muted);border-bottom:2px solid var(--t-ink);padding:8px 10px}
.prose td{padding:9px 10px;border-bottom:1px solid var(--t-line);vertical-align:top}
.prose td:nth-child(1),.prose td:nth-child(2){font-family:var(--t-mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.callout{background:#e7eff8;border-left:3px solid var(--t-accent);border-radius:0;
  padding:18px 20px;margin:24px 0}
.faq{max-width:760px;margin:0 auto}.faq details{background:var(--t-card);border:1px solid var(--t-line);
  border-radius:0;padding:2px 20px;margin-bottom:10px}
.faq summary{font-family:var(--t-head);font-weight:600;font-size:1.03rem;cursor:pointer;padding:15px 0;
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--t-mono);font-size:1.3rem;color:var(--t-accent-dk);font-weight:400}
.faq details[open] summary::after{content:"\2212"}.faq details p{color:var(--t-ink2);margin:0 0 16px}
.alt{background:#e7eff8}
.supplier{background:var(--t-ink2);border-radius:var(--t-radius);padding:28px;text-align:center;color:#fff;margin:34px 0;border:1px solid var(--t-ink)}
.supplier h3{color:#fff;font-size:1.25rem;margin-bottom:8px}
.supplier p{color:rgba(255,255,255,.78);max-width:52ch;margin:0 auto 18px}
.supplier .actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.form-card{max-width:560px;margin:0 auto;background:var(--t-card);border:1px solid var(--t-line);
  border-radius:var(--t-radius);padding:28px}
textarea{width:100%;padding:11px 12px;border:1.5px solid var(--t-line2);border-radius:var(--t-radius);font-size:1rem;
  font-family:var(--t-body);min-height:130px;resize:vertical}
textarea:focus{outline:none;border-color:var(--t-accent);box-shadow:0 0 0 3px rgba(69,143,211,.22)}

/* ---- byline (single, consolidated) ---- */
.byline{display:flex;align-items:center;gap:12px;margin:18px 0 8px;padding:14px 16px;
  background:var(--t-card);border:1px solid var(--t-line)}
.byline img{width:44px;height:44px;border-radius:50%;object-fit:cover;flex:none}
.byline-name{font-weight:700;font-size:.94rem;color:var(--t-ink)}
.byline-title{font-weight:500;color:var(--t-muted);font-size:.82rem;display:block}
.byline-date{font-family:var(--t-mono);font-size:.76rem;color:var(--t-muted);margin-top:2px}

/* ---- dataset page: CSV/cite block ---- */
.dataset-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-family:var(--t-mono);font-size:.78rem;
  color:var(--t-muted);border-top:1px solid var(--t-line);border-bottom:1px solid var(--t-line);padding:12px 0;margin:18px 0}
.dataset-meta strong{color:var(--t-ink);font-weight:600}
.cite-box{background:var(--t-card);border:1px solid var(--t-line);border-left:3px solid var(--t-accent);
  padding:16px 18px;margin:22px 0;font-family:var(--t-mono);font-size:.82rem;color:var(--t-ink2);line-height:1.7}

/* ---- footer ---- */
.site-footer{background:var(--t-ink);color:rgba(255,255,255,.65);margin-top:18px;border-top:2px solid var(--t-accent)}
.site-footer .wrap{padding:44px 22px 24px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px;margin-bottom:28px}
@media(max-width:680px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-grid a{display:block;margin:0 0 8px}
.foot-grid .blurb{max-width:34ch;font-size:.88rem;margin-top:12px}
.foot-col h4{font-family:var(--t-mono);font-size:.74rem;color:#fff;margin-bottom:13px;text-transform:uppercase;letter-spacing:.1em}
.foot-col a{color:rgba(255,255,255,.65);font-size:.88rem;padding:4px 0}
.foot-col a:hover{color:var(--t-accent2);text-decoration:none}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:12px;font-family:var(--t-mono);font-size:.76rem;color:rgba(255,255,255,.42)}
.disclosure{background:rgba(0,0,0,.25);color:rgba(255,255,255,.5);font-size:.75rem;text-align:center;padding:14px 22px}
.center{text-align:center}

/* footer brand mark must stay visible on the dark footer */
.site-footer .brand svg rect{fill:#fff}
.site-footer .brand .name{color:#fff}

/* mesh + related links keep inline flow even though footer .cols/.foot-grid is a grid */
.related-mesh{font-size:.8rem}
.related-mesh a{display:inline}

/* ---- cookie consent banner: recolored, square edges ---- */
#cc-banner{background:var(--t-ink) !important;border-top:1px solid rgba(255,255,255,.12) !important}
#cc-acc{background:var(--t-accent) !important;color:#0d1116 !important;border:0 !important;
  border-radius:0 !important;padding:8px 16px !important;cursor:pointer !important;font-weight:700 !important}
#cc-acc:hover{background:var(--t-accent2) !important}
#cc-rej{background:transparent !important;color:rgba(255,255,255,.8) !important;
  border:1px solid rgba(255,255,255,.25) !important;border-radius:0 !important}