/* Fieldor — Ground Truth. Survey paper, night-indigo ink, one gold pin.
   Layout: 1280 measure, 32px gutters (20 on phones); sections alternate paper / sunk / night as deliberate peaks. */
:root{
  --paper:#f7f5ef; --raised:#ffffff; --sunk:#eeebe2; --grid:#e6e3ec;
  --ink:#191b3a; --muted:#585b78; --line:#dcd9e6; --line-strong:#7d809b;
  --peri:#7c8aed; --peri-soft:#e4e7fc; --indigo:#3a46b4;
  --gold:#f2bb44; --gold-soft:#fcefcf; --gold-ink:#8a5a00;
  --steady:#1d7354; --steady-soft:#e3f2eb; --strain:#a84d0a; --strain-soft:#fbeadb; --breach:#b42318; --breach-soft:#fbe3e0;
  --night:#12132b; --night-2:#1c1e3e; --night-line:#2c2f55; --night-ink:#eef0fb; --night-muted:#a5a8c6;
  --n-peri:#8f9cf2; --n-indigo:#a3aef7; --n-gold:#f2c35c; --n-steady:#5cc49a; --n-strain:#f0965a; --n-breach:#f58a7e;
  --f-display:"Bricolage Grotesque","Instrument Sans",system-ui,sans-serif;
  --f-body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"Martian Mono","IBM Plex Mono",ui-monospace,Menlo,monospace;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:24px}
img{max-width:100%;display:block}
a{color:var(--indigo)} a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible{outline:2px solid var(--indigo);outline-offset:2px}
h1,h2,h3{margin:0;text-wrap:balance}
p{margin:0}
.wrap{max-width:1280px;margin:0 auto;padding-inline:32px}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--f-mono);font-size:11px;line-height:16px;font-weight:600;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.disp{font-family:var(--f-display);letter-spacing:-.02em}
.h1{font-family:var(--f-display);font-weight:800;font-size:clamp(42px,5.2vw,76px);line-height:.96;letter-spacing:-.035em}
.h2{font-family:var(--f-display);font-weight:700;font-size:clamp(32px,4vw,52px);line-height:1.02;letter-spacing:-.025em}
.lede{font-size:19px;line-height:29px;color:var(--muted);max-width:560px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 24px;border-radius:8px;font:600 16px/1 var(--f-body);text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--indigo);color:#fff}.btn-primary:hover{color:#fff;box-shadow:inset 0 0 0 999px rgba(25,27,58,.12)}
.btn-ghost{background:var(--raised);color:var(--ink);border-color:var(--line-strong)}.btn-ghost:hover{background:var(--peri-soft)}
.sec{padding-block:112px}
.sec-head{display:flex;flex-direction:column;gap:14px;max-width:760px}
.sunk{background:var(--sunk);border-block:1px solid var(--line)}
.night{background:var(--night);color:var(--night-ink)}
.night .eyebrow{color:var(--night-muted)}
.survey{background-color:var(--paper);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px}

/* ── Nav & footer ───────────────────────────── */
.fd-navlink{color:var(--ink);text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.fd-navlink:hover{color:var(--indigo)}
.fd-navlink.on{color:var(--indigo);border-bottom-color:var(--indigo)}
.fd-flink{color:var(--night-ink);text-decoration:none;font-size:15px;line-height:28px}
.fd-flink:hover{color:var(--n-indigo)}

/* ── The ring system ────────────────────────────
   steady  · one ring, still
   strain  · two rings, slow breath
   breach  · three rings, outward pulse
   here    · gold disc, ripple (a person is present)
   idle    · dashed ring, slow turn                 */
.ring{display:inline-block;flex:none;overflow:visible;vertical-align:middle}
.ring .o{transform-box:fill-box;transform-origin:center}
.ring.strain .o{animation:r-breathe 2.6s ease-in-out infinite}
.ring.breach .pulse{transform-box:fill-box;transform-origin:center;animation:r-pulse 1.5s ease-out infinite}
.ring.breach .pulse.b{animation-delay:.5s}
.ring.here .ripple{transform-box:fill-box;transform-origin:center;animation:r-ripple 1.9s ease-out infinite}
.ring.idle .dash{transform-box:fill-box;transform-origin:center;animation:r-turn 9s linear infinite}
@keyframes r-breathe{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.12);opacity:.65}}
@keyframes r-pulse{from{transform:scale(1);opacity:.9}to{transform:scale(2.4);opacity:0}}
@keyframes r-ripple{from{transform:scale(1);opacity:.8}to{transform:scale(2.1);opacity:0}}
@keyframes r-turn{to{transform:rotate(360deg)}}

/* status chip */
.chip{display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 8px 0 6px;border-radius:4px;font:600 9.5px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.chip.steady{background:var(--steady-soft);color:var(--steady)}.chip.strain{background:var(--strain-soft);color:var(--strain)}
.chip.breach{background:var(--breach-soft);color:var(--breach)}.chip.here{background:var(--gold-soft);color:var(--gold-ink)}
.chip.idle{background:var(--sunk);color:var(--muted)}.chip.peri{background:var(--peri-soft);color:var(--indigo)}

/* progress ring */
.prog .track{fill:none;stroke:var(--line);stroke-width:3}
.prog .bar{fill:none;stroke:var(--indigo);stroke-width:3;stroke-linecap:round;transform:rotate(-90deg);transform-origin:center;transition:stroke-dashoffset .4s linear}
.night .prog .track{stroke:var(--night-line)} .night .prog .bar{stroke:var(--n-indigo)}

/* evidence frame: photo + ring badge + (baked) stamp */
.evi{position:relative;margin:0;border-radius:12px;overflow:hidden;background:var(--sunk)}
.evi img{width:100%;height:100%;object-fit:cover}
.evi .badge{position:absolute;top:12px;left:12px;width:34px;height:34px;border-radius:50%;background:rgba(247,245,239,.92);display:flex;align-items:center;justify-content:center}

/* reveal transition: a ring opening */
.ring-in{animation:ring-open .7s cubic-bezier(.2,.7,.2,1) both}
@keyframes ring-open{from{clip-path:circle(0% at 24px 24px)}to{clip-path:circle(150% at 24px 24px)}}
.fade-in{animation:fade-up .45s ease-out both}
@keyframes fade-up{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
}
@media (max-width:720px){
  .wrap{padding-inline:20px}
  .sec{padding-block:80px}
  header nav{padding:12px 20px!important;gap:10px 16px!important}
  header nav>div{order:3;flex-basis:100%;flex-wrap:nowrap!important;overflow-x:auto;gap:22px!important;font-size:14px!important;scrollbar-width:none}
  header nav>a:last-child{height:40px!important;padding:0 14px!important;font-size:14px!important;margin-left:auto}
  header nav img{height:26px!important}
  footer>div{padding-left:20px!important;padding-right:20px!important}
}