/* AltScreenerAI static pages (about, guides, pricing, 404) -- Lab 2050 skin. 2026-09-21.
   One file so the static pages cannot drift apart. Tokens match the 2050 pages.
   2026-09-23: retinted to the site-wide reference palette (liquidity.html). Values only --
   selectors, structure and class names unchanged. */
:root {
  color-scheme: dark;
  --bg: #07090d; --bg2: #07090d; --card: #0d1118; --field: #0A111B;
  --text: #e8edf4; --dim: #93a1b5; --mute: #63718a;
  --amber: #ffb347; --buy: #34E8A8; --sell: #FF5A4E; --cyan: #3FD8FF; --white: #FFF6E6;
  --line: #1d2531; --line2: #1d2531;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
html, body, * { scrollbar-width: none; -ms-overflow-style: none; }
*::-webkit-scrollbar { display: none; width: 0; height: 0; }
body {
  font: 16px/1.65 "IBM Plex Sans", system-ui, "Segoe UI", Roboto, sans-serif; min-height: 100vh; overflow-x: hidden;
  background: var(--bg);
}
a { color: var(--amber); text-underline-offset: 3px; }
a:hover { color: var(--white); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px 56px; }

/* top bar */
.bar { position: sticky; top: 0; z-index: 10; background: rgba(7,9,13,.9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.bar-in { max-width: 880px; margin: 0 auto; padding: 2px 16px; display: flex; align-items: center; gap: 0 16px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; min-height: 44px; font: 700 15px/1 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .04em; color: var(--text); text-decoration: none; margin-right: auto; }
.brand i { font-style: normal; color: var(--amber); }
.bar nav { display: flex; flex-wrap: wrap; gap: 0 14px; }
.bar nav a { display: inline-flex; align-items: center; min-height: 30px; font: 600 11px/1.6 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); text-decoration: none; }
/* 2026-09-24: "PRICING" is two characters longer than the "TIERS" it replaced, which pushed
   the row onto a second line and made the sticky bar 124px tall on a 390px screen -- a tenth
   of the viewport, permanently. Below 460px the bar is tightened so the five links stay on
   one line; measured height there is 78px. */
@media (max-width: 460px) {
  .bar-in { padding: 2px 12px; gap: 0 10px; }
  .bar nav { gap: 0 9px; }
  .bar nav a { font-size: 10px; letter-spacing: .06em; }
}
.bar nav a:hover, .bar nav a[aria-current] { color: var(--amber); }

/* hero */
.hero { padding: 40px 0 8px; }
.eyebrow { font: 600 11px/1.4 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .3em; text-transform: uppercase; color: var(--amber); }
h1 { margin: 12px 0 10px; font: 700 clamp(28px, 6vw, 44px)/1.08 "IBM Plex Sans", system-ui, sans-serif; letter-spacing: -.015em; }
h1 em { font-style: normal; color: var(--amber); }
.lede { margin: 0; font-size: 18px; color: var(--dim); max-width: 62ch; }
.lede b { color: var(--text); }
h2 { margin: 44px 0 12px; font: 600 12px/1.4 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .26em; text-transform: none; color: var(--amber); }
h3 { margin: 0 0 4px; font: 700 17px/1.3 "IBM Plex Sans", system-ui, sans-serif; }
p { margin: 0 0 12px; }
.sub { display: block; margin-top: 2px; font: 500 11.5px/1.45 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .02em; color: var(--mute); }
.big { font-size: 18px; }

/* buttons */
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 0; }
.btn { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 4px; text-decoration: none;
       font: 700 12px/1 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .14em; text-transform: uppercase;
       background: var(--amber); color: #150C02; box-shadow: none; }
.btn:hover { color: #150C02; background: #FFC770; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); box-shadow: none; }
.btn.ghost:hover { border-color: var(--amber); color: var(--amber); }

/* HUD panel: corner brackets */
.panel { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 3px; padding: 16px 18px; }
.panel::before, .panel::after { content: ""; position: absolute; width: 12px; height: 12px; pointer-events: none; }
.panel::before { top: -1px; left: -1px; border-top: 2px solid var(--line); border-left: 2px solid var(--line); }
.panel::after { bottom: -1px; right: -1px; border-bottom: 2px solid var(--line); border-right: 2px solid var(--line); }
.panel p:last-child { margin-bottom: 0; }

/* tiles -- 2026-09-24: the landing page's button treatment (src/game/landing.css), ported here
   so a navigation block reads the same on every page of the site: a thumbnail of what is behind
   the button, the name, a line of what it is, a line of what is inside, and a chevron. One column
   on a phone, two from 640px. .panel already uses ::before/::after for its corner brackets, so the
   accent rail is an inset shadow and the chevron is a real element. */
.tiles { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .tiles { grid-template-columns: 1fr 1fr; } }
.tile {
  position: relative;
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr) 18px;
  grid-template-areas: "shot name chev" "shot text chev" "shot line chev";
  align-content: center; align-items: center;
  column-gap: 12px; row-gap: 4px;
  min-height: 132px; padding: 14px 14px 14px 17px;
  text-decoration: none; color: var(--text); overflow: hidden;
  box-shadow: inset 3px 0 0 rgba(255,179,71,.55);
  transition: border-color .15s ease, background .15s ease;
}
.tile:hover, .tile:active { color: var(--text); border-color: rgba(255,179,71,.5); background: #111823; }
.tile-shot { grid-area: shot; align-self: center; display: block; width: 104px; aspect-ratio: 3 / 2;
             border-radius: 6px; border: 1px solid var(--line); background: var(--field); overflow: hidden; }
.tile-shot img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; background: var(--field); }
.tile:hover .tile-shot { border-color: rgba(255,179,71,.5); }
.tile h3 { grid-area: name; margin: 0; font: 700 clamp(17px, 4.4vw, 19px)/1.2 "IBM Plex Sans", system-ui, sans-serif; }
.tile p { grid-area: text; margin: 0; color: var(--dim); font-size: 14.5px; line-height: 1.4; }
.tile .sub { grid-area: line; margin: 0; }
.tile-chev { grid-area: chev; justify-self: end; font: 400 22px/1 "IBM Plex Sans", system-ui, sans-serif;
             font-style: normal; color: var(--amber); opacity: .85; }
.tile .go { display: none; }
@media (min-width: 720px) { .tile { grid-template-columns: 132px minmax(0, 1fr) 20px; min-height: 152px; } .tile-shot { width: 132px; } }
@media (prefers-reduced-motion: reduce) { .tile { transition: none; } }
.idx { font: 600 11px/1 "IBM Plex Mono", ui-monospace, monospace; color: var(--cyan); letter-spacing: .14em; }

/* strength scale */
.scale { display: grid; gap: 10px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .scale { grid-template-columns: repeat(3, 1fr); } }
.lvl { position: relative; padding: 14px 16px; border-radius: 3px; border: 1px solid var(--line); background: var(--card); }
.lvl b { display: block; font: 800 15px/1 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .2em; }
.lvl .cells { display: flex; gap: 4px; margin: 10px 0 8px; }
.lvl .cells i { flex: 1; height: 8px; border-radius: 1px; background: rgba(169,181,196,.14); }
.lvl p { margin: 0; color: var(--dim); font-size: 15px; }
.lvl.s b { color: var(--dim); } .lvl.s .cells i.on { background: #7C8AA0; }
.lvl.p b { color: var(--amber); } .lvl.p .cells i.on { background: var(--amber); box-shadow: none; }
.lvl.c { border-color: rgba(255,90,78,.5); box-shadow: none; }
.lvl.c b { color: var(--white); text-shadow: none; } .lvl.c .cells i.on { background: #FFF1E0; box-shadow: none; }

/* tiers */
.tiers { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .tiers { grid-template-columns: repeat(3, 1fr); } }
.tier h3 { font: 800 15px/1 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .22em; }
.tier .now { display: inline-block; margin: 8px 0 10px; padding: 3px 8px; border-radius: 999px; border: 1px solid rgba(52,232,168,.5); color: var(--buy);
             font: 700 10.5px/1.4 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.tier ul { margin: 0; padding: 0; list-style: none; color: var(--dim); font-size: 15px; }
.tier li { padding: 3px 0 3px 14px; position: relative; }
.tier li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; background: var(--amber); transform: rotate(45deg); }

/* plain list with markers */
.list { margin: 0; padding: 0; list-style: none; }
.list li { padding: 8px 0 8px 18px; position: relative; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.list li::before { content: ""; position: absolute; left: 0; top: 1.05em; width: 7px; height: 7px; border: 1px solid var(--amber); transform: rotate(45deg); }
.list b { color: var(--text); }
.up { color: var(--buy); } .down { color: var(--sell); }

/* Q&A */
.qa { display: grid; gap: 10px; }
.qa h3 { font-size: 16px; }
.qa p { color: var(--dim); font-size: 15px; }

/* footer */
.foot { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--line); font: 400 12px/1.6 "IBM Plex Mono", ui-monospace, monospace; color: var(--mute); }
.foot nav { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-bottom: 8px; }
.foot a { color: var(--dim); text-decoration: none; }
.foot a:hover { color: var(--amber); }
.nfa { font-size: 11px; color: var(--mute); }

/* pricing tier flag/highlight -- 2026-09-23, additive only, used on /pricing.html */
.tier { position: relative; }
.tier-recommended { border-color: rgba(255,179,71,.55); box-shadow: none; }
.tier-flag { position: absolute; top: -11px; right: 14px; padding: 2px 8px; border-radius: 999px; background: var(--amber); color: #150C02;
             font: 700 10px/1.6 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.tier-per { font-size: 12px; color: var(--mute); }
.tier .btn { margin-top: 10px; }