/* THE ARK: field manual x mission briefing. Dark, Barlow Condensed + IBM Plex Mono, self-hosted. */
@font-face { font-family: 'Barlow Condensed'; font-weight: 600; font-style: normal; font-display: swap; src: url(/fonts/barlow-condensed-600.woff2) format('woff2'); }
@font-face { font-family: 'Barlow Condensed'; font-weight: 800; font-style: normal; font-display: swap; src: url(/fonts/barlow-condensed-800.woff2) format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 400; font-style: normal; font-display: swap; src: url(/fonts/barlow-400.woff2) format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 600; font-style: normal; font-display: swap; src: url(/fonts/barlow-600.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 400; font-style: normal; font-display: swap; src: url(/fonts/plex-mono-400.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 600; font-style: normal; font-display: swap; src: url(/fonts/plex-mono-600.woff2) format('woff2'); }

:root {
  --bg: #050506; --bg2: #0c0c0d; --panel: #111112; --line: #2a2823; --line2: #3a3730;
  --ink: #ece6da; --dim: #a39d90; --faint: #6d685e;
  --gold: #e8c37a; --gold-2: #b8914a;
  --red: #e2826b; --green: #8fcf9c; --cyan: #7fd1c8;
  --display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --body: 'Barlow', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --gut: 16px;
  --rail: 0px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 64px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.55 var(--body); overflow-x: hidden; }
a { color: var(--gold); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
code { font: 500 .86em var(--mono); background: #1a1916; border: 1px solid var(--line); padding: 0 .3em; border-radius: 3px; word-break: break-word; }
.mono { font-family: var(--mono); letter-spacing: .06em; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--gold); color: #000; padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; }
.sep { color: var(--faint); margin: 0 .35em; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); margin-right: .6em; vertical-align: 1px; box-shadow: 0 0 10px var(--gold); }
.dot.live { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }

/* tags */
.tag { font: 600 11px/1 var(--mono); font-style: normal; letter-spacing: .1em; padding: 3px 6px 2px; border-radius: 2px; border: 1px solid; white-space: nowrap; vertical-align: 2px; }
.tag.m { color: var(--green); border-color: rgba(143, 207, 156, .5); }
.tag.h { color: var(--gold); border-color: rgba(232, 195, 122, .5); }
.tag.e { color: var(--cyan); border-color: rgba(127, 209, 200, .5); }

/* hero */
.hero { position: relative; min-height: 92vh; min-height: 92svh; display: flex; align-items: center; padding: 72px var(--gut) 48px; overflow: hidden;
  background: radial-gradient(120% 70% at 50% 110%, rgba(232, 195, 122, .14), transparent 60%), var(--bg); border-bottom: 1px solid var(--line); }
.hero-grid { position: absolute; inset: 0; opacity: .35; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 48px 48px;
  mask-image: radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 80%); -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 80%); }
.hero-in { position: relative; max-width: 1100px; margin: 0 auto; width: 100%; }
.kicker { font-size: 11.5px; color: var(--dim); margin: 0 0 18px; text-transform: uppercase; }
.hero-title { font: 800 clamp(96px, 30vw, 260px)/.82 var(--display); letter-spacing: -.01em; margin: 0; color: var(--ink);
  text-shadow: 0 0 60px rgba(232, 195, 122, .18); }
.hero-sub { font: 600 clamp(24px, 6.4vw, 46px)/1.05 var(--display); text-transform: uppercase; color: var(--gold); margin: 14px 0 22px; letter-spacing: .01em; }
.hero-pitch { max-width: 40em; color: var(--ink); font-size: 18px; margin: 0 0 26px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.btn { display: inline-flex; align-items: center; min-height: 44px; padding: 10px 16px; font: 600 13px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink); background: var(--panel); border: 1px solid var(--line2); border-radius: 3px; text-decoration: none; cursor: pointer; }
.btn:hover { border-color: var(--gold); color: var(--gold); }
.btn.primary { background: var(--gold); color: #120e05; border-color: var(--gold); }
.btn.primary:hover { background: #f3d496; color: #120e05; }
.btn.ghost { background: transparent; border-style: dashed; }
.offline { font-size: 12px; color: var(--dim); margin: 0; max-width: 46em; }
.offline.ok { color: var(--green); }
.offline.ok::before { content: ''; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--green); margin-right: 8px; vertical-align: 1px; box-shadow: 0 0 8px var(--green); }
.hero-mark { display: block; width: min(560px, 100%); height: auto; margin: 28px 0 0 auto; opacity: .9; }
.hm-sea, .hm-sea2 { fill: none; stroke: var(--line2); stroke-width: 2; }
.hm-sea2 { stroke: #24221e; }
.hm-hull { fill: #14120e; stroke: var(--gold); stroke-width: 2; }
.hm-house { fill: none; stroke: var(--gold); stroke-width: 2; }
.hm-win { fill: var(--gold); opacity: .85; }
.hm-sig { fill: none; stroke: var(--cyan); stroke-width: 2; opacity: .8; }
.hm-sig.s2 { opacity: .5; } .hm-sig.s3 { opacity: .25; }
.hm-dot { fill: var(--cyan); }

/* layout */
.layout { max-width: 1240px; margin: 0 auto; }
.rail { position: sticky; top: 0; z-index: 20; background: rgba(5, 5, 6, .92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.rail-h { display: none; }
.rail ol { list-style: none; margin: 0; padding: 8px var(--gut); display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.rail ol::-webkit-scrollbar { display: none; }
.rail a { display: flex; align-items: baseline; gap: 6px; white-space: nowrap; padding: 8px 10px; min-height: 40px; border: 1px solid var(--line); border-radius: 3px;
  color: var(--dim); text-decoration: none; font: 600 13px/1.2 var(--mono); letter-spacing: .04em; }
.rail a b { color: var(--gold); font-weight: 600; }
.rail .rail-minds a b { color: var(--cyan); }
.rail a.on { color: var(--ink); border-color: var(--gold); background: #17140d; }
.rail-all { display: none; }
.guide { padding: 20px var(--gut) 40px; min-width: 0; }

.legend { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 12px; color: var(--dim); margin: 6px 0 22px; padding: 12px 14px; border: 1px dashed var(--line2); border-radius: 4px; }
.legend .tag { margin-right: 6px; }

/* chapters */
.ch { margin: 0 0 14px; border: 1px solid var(--line); border-radius: 5px; background: linear-gradient(180deg, #0d0d0e, #09090a); }
.acc > summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: auto 1fr auto; grid-template-areas: 'num ttl chev' 'num kick chev'; column-gap: 14px; align-items: center; padding: 16px 16px 14px; }
.acc > summary::-webkit-details-marker { display: none; }
.acc > summary::after { content: '+'; grid-area: chev; font: 600 26px/1 var(--mono); color: var(--gold); transition: transform .25s ease; }
.acc[open] > summary::after { transform: rotate(45deg); }
.num { grid-area: num; font: 800 54px/.9 var(--display); color: var(--gold); min-width: 1.15em; }
.ttl { grid-area: ttl; font: 800 30px/1 var(--display); text-transform: uppercase; letter-spacing: .01em; }
.kick { grid-area: kick; font-size: 11.5px; color: var(--dim); text-transform: uppercase; margin-top: 4px; }
.body { padding: 0 16px 18px; }
.lede { font-size: 18.5px; line-height: 1.5; margin: 2px 0 16px; max-width: 46em; }
.callout { font: 600 26px/1.1 var(--display); text-transform: uppercase; color: var(--dim); margin: 0 0 18px; border-left: 3px solid var(--gold); padding: 4px 0 4px 14px; }
.callout strong { color: var(--gold); font-weight: 800; }
.grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.cell { border: 1px solid var(--line); border-radius: 4px; padding: 14px 14px 12px; background: var(--bg2); position: relative; }
.cell h3 { font-size: 12px; font-weight: 600; margin: 0 0 10px; letter-spacing: .12em; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.cell.breaks { border-top: 2px solid var(--red); } .cell.breaks h3 { color: var(--red); }
.cell.now { border-top: 2px solid var(--gold); } .cell.now h3 { color: var(--gold); }
.cell.ours { border-top: 2px solid var(--green); } .cell.ours h3 { color: var(--green); }
.cell.test { border-top: 2px solid var(--cyan); background: #0b1312; } .cell.test h3 { color: var(--cyan); }
.cell ul, .cell ol { margin: 0; padding-left: 1.1em; }
.cell li { margin: 0 0 8px; }
.cell li::marker { color: var(--faint); }
.cell p { margin: 0; }
.nums { list-style: none; padding-left: 0 !important; }
.nums li { padding-left: 0; }
.nums em { font: 800 24px/1 var(--display); font-style: normal; color: var(--ink); margin-right: 2px; }
.pitfalls { margin-top: 12px; border: 1px solid var(--line); border-left: 3px solid var(--red); border-radius: 4px; padding: 14px; background: #120d0b; }
.pitfalls h3 { font-size: 12px; letter-spacing: .12em; color: var(--red); margin: 0 0 10px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.pitfalls h3 + ul + h3 { margin-top: 14px; color: var(--cyan); }
.pitfalls ul { margin: 0; padding-left: 1.1em; }
.pitfalls li { margin-bottom: 8px; }
.next { margin: 14px 0 0; font-size: 13px; }
.next a { color: var(--cyan); }

/* minds */
.minds { margin: 26px 0 26px; padding: 22px 14px; border: 1px solid #1d3532; border-radius: 6px; position: relative; overflow: hidden;
  background: radial-gradient(90% 60% at 50% 0%, rgba(127, 209, 200, .10), transparent 70%), #060909; }
.minds::before { content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background: repeating-linear-gradient(0deg, rgba(127, 209, 200, .035) 0 1px, transparent 1px 3px); }
.minds > * { position: relative; }
.minds .kicker { color: var(--cyan); }
.minds-title { font: 800 clamp(40px, 11vw, 88px)/.9 var(--display); text-transform: uppercase; margin: 0 0 14px; }
.minds-claim { font: 600 22px/1.2 var(--display); color: var(--cyan); text-transform: uppercase; margin: 0 0 10px; max-width: 30em; }
.minds-how { color: var(--dim); font-size: 15.5px; max-width: 48em; margin: 0 0 18px; }
.how { margin: 0 0 16px; }
.how > summary { cursor: pointer; font-size: 12px; color: var(--cyan); letter-spacing: .12em; min-height: 40px; display: flex; align-items: center; list-style: none; }
.how > summary::-webkit-details-marker { display: none; }
.how > summary::before { content: '+'; font-weight: 600; margin-right: 10px; display: inline-block; transition: transform .2s ease; }
.how[open] > summary::before { transform: rotate(45deg); }
.how .minds-how { margin: 4px 0 10px; }
.scope-wrap { border: 1px solid #1d3532; border-radius: 4px; background: #030606; padding: 8px; margin: 0 0 16px; }
.scope { display: block; width: 100%; height: 110px; }
.scope-status { font-size: 12px; color: var(--cyan); margin: 6px 4px 2px; min-height: 1.4em; }
.mind { border: 1px solid #1d3532; border-radius: 4px; padding: 14px; background: rgba(6, 14, 13, .9); margin: 0 0 12px; }
.mind header { margin-bottom: 8px; }
.mind .call { font-size: 14px; font-weight: 600; color: var(--cyan); margin: 0; letter-spacing: .1em; }
.mind .model, .mind .tagline { font-size: 12px; color: var(--dim); margin: 3px 0 0; word-break: break-word; }
.mind.narrator { border-color: rgba(232, 195, 122, .35); background: rgba(20, 16, 8, .7); }
.mind.narrator .call { color: var(--gold); }
.chips { list-style: none; padding: 0; margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { font-size: 11.5px; color: var(--dim); border: 1px solid #1d3532; border-radius: 3px; padding: 4px 7px; }
.chips .tag { margin-right: 4px; }
.listen { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 10px 16px; font-size: 13px; font-weight: 600; letter-spacing: .1em;
  color: #031210; background: var(--cyan); border: 0; border-radius: 3px; cursor: pointer; margin: 0 0 12px; }
.listen span { font-weight: 400; opacity: .75; }
.listen.playing { background: #0f2422; color: var(--cyan); box-shadow: inset 0 0 0 1px var(--cyan); }
.narrator .listen { background: var(--gold); color: #120e05; }
.narrator .listen.playing { background: #241d0d; color: var(--gold); box-shadow: inset 0 0 0 1px var(--gold); }
.said { font: 400 17px/1.55 var(--mono); letter-spacing: 0; margin: 0 0 8px; color: var(--ink); }
.said .w { transition: opacity .18s linear, color .18s linear; }
.mind.live .said .w { opacity: .16; }
.mind.live .said .w.on { opacity: 1; color: #fff; }
.prov { font-size: 11.5px; color: var(--faint); margin: 0; }
.reflex-note { font-size: 15.5px; color: var(--dim); margin: 0 0 12px; }
.decision { border: 1px dashed #1d3532; border-radius: 4px; padding: 12px; margin: 0 0 12px; font-size: 12.5px; }
.decision .situation { color: var(--dim); margin: 0 0 10px; line-height: 1.5; }
.decision .q { color: var(--cyan); margin: 12px 0 6px; letter-spacing: .14em; font-size: 11.5px; }
.decision .row { display: grid; grid-template-columns: minmax(0, 1fr) 72px; grid-template-areas: 'l l' 'b v'; gap: 4px 10px; align-items: center; margin: 8px 0; color: var(--dim); }
.decision .row span { grid-area: l; }
.decision .row .bar { grid-area: b; }
.decision .row b { grid-area: v; font-weight: 600; text-align: right; color: var(--ink); white-space: nowrap; }
.decision .row.pick span, .decision .row.pick b { color: var(--cyan); }
.bar { width: 100%; height: 6px; display: block; }
.bar .bg { fill: #14201f; } .bar .fg { fill: var(--cyan); }
.decision .row:not(.pick) .bar .fg { fill: #3b6e69; }
.pool { font-size: 13px; color: var(--dim); border-top: 1px solid #1d3532; padding-top: 14px; margin: 14px 0 0; line-height: 1.6; }
.pool b { color: var(--ink); font-weight: 600; }

/* checklist */
.todo { list-style: none; counter-reset: t; padding: 0; margin: 0 0 18px; }
.todo li { counter-increment: t; display: grid; grid-template-columns: 26px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.todo li > div::before { content: counter(t, decimal-leading-zero) '  '; font: 600 13px var(--mono); color: var(--gold); }
.box { width: 22px; height: 22px; border: 2px solid var(--gold-2); border-radius: 3px; margin-top: 2px; }
.todo .t { display: inline-block; font-size: 12px; color: var(--cyan); border: 1px solid rgba(127, 209, 200, .4); border-radius: 3px; padding: 1px 6px; margin-left: 4px; white-space: nowrap; }
.todo small { display: block; color: var(--dim); font-size: 14px; margin-top: 4px; }
.final { border: 2px solid var(--gold); border-radius: 5px; padding: 18px 16px; background: #15110a; margin: 0 0 16px; }
.final .mono { color: var(--gold); font-size: 12px; letter-spacing: .14em; margin: 0 0 6px; }
.final-big { font: 800 clamp(30px, 8vw, 54px)/.98 var(--display); text-transform: uppercase; margin: 0 0 10px; }
.final p:last-child { margin: 0; }
.print-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; }

.foot { max-width: 1240px; margin: 0 auto; padding: 30px var(--gut) 60px; border-top: 1px solid var(--line); color: var(--dim); font-size: 15.5px; }
.foot .mono { color: var(--gold); font-size: 12px; letter-spacing: .14em; margin: 0 0 6px; }
.foot p { max-width: 50em; }
.foot .small { color: var(--faint); font-size: 11.5px; letter-spacing: .04em; }

/* reveal: only once JS is running, and never with reduced motion */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* wider screens */
@media (min-width: 720px) {
  :root { --gut: 28px; }
  .grid { grid-template-columns: 1fr 1fr; }
  .body { padding: 0 22px 22px; }
  .acc > summary { padding: 20px 22px 16px; }
  .num { font-size: 64px; } .ttl { font-size: 38px; }
  .mind-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .mind-grid .mind { margin: 0; }
  .minds { padding: 30px 26px; }
  .scope { height: 140px; }
  .decision .row { grid-template-columns: minmax(0, 1fr) 70px 64px; grid-template-areas: 'l b v'; margin: 4px 0; }
}
@media (min-width: 1100px) {
  .layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 28px; padding: 0 var(--gut); }
  .rail { top: 0; align-self: start; height: 100vh; border: 0; border-right: 1px solid var(--line); background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; padding: 28px 0; }
  .rail-h { display: block; font-size: 11px; color: var(--faint); letter-spacing: .2em; margin: 0 0 10px; }
  .rail ol { flex-direction: column; padding: 0 14px 0 0; gap: 2px; overflow: visible; }
  .rail a { border-color: transparent; padding: 7px 10px; min-height: 0; font-size: 13px; }
  .rail a.on { border-color: var(--line2); }
  .guide { padding: 28px 0 40px; }
  .hero-in { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .said .w { transition: none; }
  .mind.live .said .w { opacity: 1; }
}

/* print: the checklist, black on white */
@media print {
  @page { margin: 14mm; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .hero, .rail, .legend, .minds, .ch:not(.checklist), .foot, .print-row, .skip { display: none !important; }
  .layout { display: block; }
  .guide { padding: 0; }
  .ch { border: 0; background: none; }
  .js .reveal, .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { color-adjust: exact; }
  .acc > summary::after { content: none; }
  .acc > summary { padding: 0 0 8px; grid-template-areas: 'num ttl' 'num kick'; grid-template-columns: auto 1fr; }
  .num, .ttl, .final-big { color: #000; }
  .kick, .lede, .todo small { color: #333; }
  .body { padding: 0; }
  .todo li { border-bottom: 1px solid #999; break-inside: avoid; padding: 8px 0; }
  .todo li > div::before { color: #000; }
  .box { border-color: #000; }
  .todo .t { color: #000; border-color: #666; }
  .tag { color: #000 !important; border-color: #666 !important; }
  .final { border-color: #000; background: none; break-inside: avoid; }
  .final .mono { color: #000; }
  code { background: none; border-color: #999; }
}