/* ==========================================================================
   MUSTANG ANALYTICS — "Field Station" design system v1.0
   Shared by every static page and every generator template.
   Contract notes for implementers are in the overhaul MANIFEST.
   No gradients (except the specced table scroll fade). No soft shadows.
   ========================================================================== */

/* ---------- tokens ---------- */
:root{
  --paper:#F6F1E6; --paper-2:#FCF9F1;
  --ink:#29251D;   --field:#5B5344;
  --line:#DCD2BC;  --line-2:#C9BCA0;
  --rust:#A84A22;  --rust-2:#8C3A17;
  --pacific:#2F5D6B; --pacific-2:#7EA4AF;
  --kelp:#3F6B4D;  --amber:#95591C;
  --green-bg:#EDF2E8; --amber-bg:#F5ECDB;
  --night:#211E17; --ivory:#F2EBDB; --night-2:#C8BFA9; --night-3:#9B937F;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font:400 17px/1.6 'Inter',system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.2;margin:0 0 .5em;color:inherit}
h1{font-size:clamp(34px,5vw,52px)}
h2{font-size:26px}
h3{font-size:19px}
p{margin:0 0 1em}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.prose{max-width:720px}
.section{padding:96px 0}

/* ---------- links & focus (global) ---------- */
a{color:var(--pacific);text-decoration:underline;
  text-decoration-color:var(--pacific-2);text-underline-offset:2px}
a:hover{color:var(--rust)}
:focus-visible{outline:2px solid var(--pacific);outline-offset:2px}
.band-night :focus-visible,.hero-night :focus-visible,.ft :focus-visible{outline-color:var(--pacific-2)}

/* ---------- data voice ---------- */
.mono{font-family:var(--mono);font-feature-settings:"tnum" 1}
.tnum{font-feature-settings:"tnum" 1}
.eyebrow,.label{display:block;font:600 12px/1.5 var(--mono);
  text-transform:uppercase;letter-spacing:.12em;color:var(--rust)}
.hero-night .eyebrow,.band-night .eyebrow{color:var(--pacific-2)}
.badge{display:inline-block;font:600 12px/1 var(--mono);text-transform:uppercase;
  letter-spacing:.12em;color:var(--field);border:1px solid var(--line-2);
  background:var(--paper-2);border-radius:3px;padding:5px 9px}
.tag{font:600 12px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--field)}
.statusline{font:400 12px/1.7 var(--mono);text-transform:uppercase;
  letter-spacing:.12em;color:var(--field);margin-top:24px}
.hero-night .statusline{color:var(--night-3)}
.sq{display:inline-block;width:8px;height:8px;background:var(--kelp);
  margin-right:8px;vertical-align:0}

/* ---------- header ---------- */
.hd{position:sticky;top:0;z-index:50;background:var(--paper);
  box-shadow:0 1px 0 var(--line-2)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;text-decoration:none}
.brand img{display:block}
.navlinks{display:flex;align-items:center;gap:28px}
.navlinks a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}
.navlinks a:hover,.navlinks a[aria-current]{color:var(--ink);
  text-decoration:underline;text-decoration-thickness:2px;
  text-decoration-color:var(--rust);text-underline-offset:4px}
.navlinks a.btn,.navlinks a.btn:hover{text-decoration:none}
.menu-btn{display:none;font:600 14px/1 'Inter',system-ui,sans-serif;color:var(--ink);
  background:var(--paper-2);border:1px solid var(--line-2);border-radius:3px;
  padding:12px 16px;min-height:44px;cursor:pointer}

/* ---------- status strip (data pages, directly under .hd) ---------- */
.strip{background:var(--paper-2);border-bottom:1px solid var(--line)}
.strip .wrap{display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:36px;padding-top:8px;padding-bottom:8px;
  font:400 12px/1.5 var(--mono);text-transform:uppercase;
  letter-spacing:.12em;color:var(--field)}

/* ---------- night bands: hero + contact + footer ---------- */
.hero-night,.band-night{position:relative;background:var(--night);color:var(--ivory)}
.hero-night::before,.band-night::before{content:"";position:absolute;inset:0;
  background:url(/assets/contour.svg);pointer-events:none}
.hero-night>*,.band-night>*{position:relative}
.hero-night{padding:72px 0}
.hero-night h1{color:var(--ivory)}
.hero-night h1 .accent{color:var(--pacific-2)}
.lead{color:var(--field);max-width:62ch;font-size:19px}
.hero-night .lead,.band-night .lead{color:var(--night-2)}
.band-night a,.ft a{color:var(--pacific-2);text-decoration-color:var(--pacific-2)}
.band-night a:hover,.ft a:hover{color:var(--ivory)}

/* ---------- footer ---------- */
.ft{background:var(--night);color:var(--night-2);font-size:15px}
.ft .wrap{padding-top:64px}
.ft-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.ft-top img{display:block}
.ft-blurb{color:var(--night-2);max-width:52ch}
.ft-cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px;margin-top:40px}
.ft-col h5{font:600 12px/1.5 var(--mono);text-transform:uppercase;
  letter-spacing:.12em;color:var(--night-3);margin:0 0 12px}
.ft-col a{display:block;text-decoration:none;padding:4px 0}
.ft-col a:hover{text-decoration:underline}
.ft-log{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(242,235,219,.14);
  font:400 12px/1.6 var(--mono);letter-spacing:.04em;color:var(--night-3)}

/* ---------- buttons ---------- */
.btn{display:inline-block;padding:12px 22px;border-radius:3px;font-weight:600;
  font-size:15px;line-height:1.3;text-decoration:none;cursor:pointer;
  border:1px solid transparent;font-family:inherit}
.btn-rust{background:var(--rust);border-color:var(--rust);color:var(--ivory)}
.btn-rust:hover{background:var(--rust-2);border-color:var(--rust-2);color:var(--ivory)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{color:var(--rust);border-color:var(--rust)}
.band-night .btn-ghost{border-color:var(--ivory);color:var(--ivory)}
.band-night .btn-ghost:hover{border-color:var(--pacific-2);color:var(--pacific-2)}

/* ---------- cards ---------- */
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:3px;padding:24px}
.card-hd{display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  font:600 12px/1.5 var(--mono);text-transform:uppercase;
  letter-spacing:.12em;color:var(--field);margin-bottom:14px}
.card-hd .datum{font-weight:400;font-feature-settings:"tnum" 1;text-transform:none;letter-spacing:.04em}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* ---------- stat cards ---------- */
.statgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{padding-top:12px}
.stat-rule{display:block;width:32px;height:2px;background:var(--rust);margin-bottom:12px}
.stat .n{display:block;font:600 34px/1.15 var(--mono);
  font-feature-settings:"tnum" 1;color:var(--ink)}
.stat.hot .n{color:var(--rust)}   /* exactly ONE per page */
.stat .l{display:block;font:600 12px/1.5 var(--mono);text-transform:uppercase;
  letter-spacing:.12em;color:var(--field);margin-top:6px}

/* ---------- logbook tables ---------- */
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.logbook{width:100%;border-collapse:collapse;font-size:15px}
.logbook th{font:600 12px/1.5 var(--mono);text-transform:uppercase;
  letter-spacing:.12em;color:var(--field);text-align:left;
  border-bottom:1px solid var(--line-2);padding:10px 12px}
.logbook td{border-bottom:1px solid var(--line);padding:10px 12px;vertical-align:top}
.logbook .num{text-align:right;font-family:var(--mono);font-feature-settings:"tnum" 1}
.logbook tbody tr:hover>td,.logbook tbody tr:hover>th{background:var(--paper-2)}
.pos{color:var(--kelp)}  /* opportunity / positive figures */
.neg{color:var(--amber)} /* risk / caution figures */
.rsn{font-family:var(--mono);font-size:13px;color:var(--field);padding-left:28px}

/* ---------- chips ---------- */
.src,.chip{display:inline-block;font:400 12px/1 var(--mono);color:var(--field);
  border:1px solid var(--line);background:var(--paper-2);border-radius:3px;
  padding:5px 8px;letter-spacing:.04em}
.src::before{content:"\2197\00a0"}
.src a{color:var(--pacific)}

/* ---------- charts & legends ---------- */
.chart{background-color:var(--paper-2);border:1px solid var(--line);border-radius:3px;
  padding:16px;background-image:radial-gradient(var(--line-2) 1px,transparent 1px);
  background-size:44px 44px}
.legend{display:flex;flex-wrap:wrap;gap:8px 20px;
  font:400 12px/1.6 var(--mono);color:var(--field)}
.legend .sw{display:inline-block;width:12px;height:12px;margin-right:6px;vertical-align:-1px}
.nodata,.empty{font:italic 400 15px/1.6 var(--mono);color:var(--field)}

/* ---------- live board (home) ---------- */
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line)}
.board>*{background:var(--paper-2);padding:24px;display:flex;
  flex-direction:column;gap:8px}
.board .go{margin-top:auto;align-self:start;color:var(--pacific);
  text-decoration:none;font-weight:600;font-size:15px}
.board .go:hover{color:var(--rust)}
.board .go::after{content:"\00a0\2192"}

/* ---------- process timeline (home) ---------- */
.timeline{position:relative;padding-left:36px;list-style:none;margin:0}
.tl-rule{position:absolute;left:0;top:4px;bottom:4px;width:1px;background:var(--line-2)}
.timeline>li{position:relative;padding-bottom:36px}
.timeline>li:last-child{padding-bottom:0}
.timeline .node{position:absolute;left:-40px;top:7px;width:9px;height:9px;background:var(--rust)}
.timeline .stepno{font:600 12px/1.5 var(--mono);letter-spacing:.12em;color:var(--rust)}

/* ---------- motion.js crosshair overlay (JS-injected; do not author) ---------- */
.mw-host{position:relative;z-index:0}
.mw-x{position:absolute;left:0;right:0;top:0;height:16px;z-index:-1;
  background:var(--paper-2);border-left:2px solid var(--rust);
  opacity:0;pointer-events:none;transform-origin:0 0;will-change:transform}

/* ---------- motion (CSS budget: hover lift + one-time contour fade) ---------- */
@media (prefers-reduced-motion: no-preference){
  .card{transition:transform .18s ease,border-color .18s ease}
  .card:hover{transform:translateY(-1px);border-color:var(--line-2)}
  .hero-night::before{animation:mw-contour 1.2s ease-out both}
  @keyframes mw-contour{from{opacity:0}to{opacity:1}}
}

/* ---------- mobile (≤860px) ---------- */
@media (max-width:860px){
  .section{padding:64px 0}
  .wrap{padding-left:20px;padding-right:20px}
  .hero-night h1{font-size:34px}
  .menu-btn{display:block}
  .navlinks{display:none;position:absolute;top:72px;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--line-2);
    flex-direction:column;align-items:stretch;gap:0;padding:0}
  .navlinks.open{display:flex}
  .navlinks a{padding:14px 20px;min-height:44px;border-top:1px solid var(--line)}
  .navlinks a:hover{text-decoration:none;background:var(--paper-2)}
  .navlinks a.btn{margin:12px 20px;text-align:center}
  .grid-3,.grid-2,.board{grid-template-columns:1fr}
  .statgrid,.ft-cols{grid-template-columns:repeat(2,1fr)}
  .logbook th:first-child,.logbook td:first-child{position:sticky;left:0;background:var(--paper)}
  .tablewrap{background:linear-gradient(to left,var(--paper),rgba(246,241,230,0) 28px) right center/28px 100% no-repeat;
    background-attachment:scroll}
}