/* wfx landing page. Look and structure follow geodscvr.com (tokens, type, buttons, grid overlay). */
:root{
  color-scheme:light;
  --ink:oklch(21% .008 200);--ink-soft:oklch(45% .008 200);--mist:oklch(92% .003 100);
  --paper:oklch(96.2% .006 95);--signal:oklch(62% .17 25);
  --signal-text:color-mix(in oklch,oklch(62% .17 25) 65%,black);--snow:oklch(97% .008 90);
  --font-body:Inter,ui-sans-serif,system-ui,sans-serif;--font-display:"Inter Tight",ui-sans-serif,system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;--max-width:1440px;--gutter:24px;
}
@media (min-width:768px){:root{--gutter:48px}}
*{box-sizing:border-box}html,body{margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--paper);color:var(--ink);font-size:16px;line-height:1.6;overflow-x:hidden;-webkit-text-size-adjust:100%}
a{color:inherit;text-decoration:none}
.prose a,.refs a{border-bottom:1px solid currentColor}
.wrap{max-width:var(--max-width);margin:0 auto;padding:0 var(--gutter)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.visually-hidden:focus{position:fixed;left:12px;top:12px;width:auto;height:auto;clip:auto;z-index:99;background:var(--snow);padding:8px 12px}
:focus-visible{outline:2px solid var(--signal);outline-offset:4px}
h1,h2,h3{font-family:var(--font-display);font-weight:500;margin:0;letter-spacing:-.02em}
p,dd,li,dl{margin:0}
.mono{font-family:var(--mono)}.small{font-size:13px}
.label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);display:flex;align-items:center;gap:10px;margin-bottom:16px}
.btn{display:inline-flex;align-items:center;gap:12px;padding:12px 20px;font-size:14px;font-weight:500;border:1px solid transparent;transition:background-color 160ms ease,border-color 160ms ease,color 160ms ease;white-space:nowrap}
.btn-solid-snow{background:var(--snow);color:var(--ink)}.btn-solid-snow:hover{background:var(--mist)}
.btn-solid-ink{background:var(--ink);color:var(--snow)}.btn-solid-ink:hover{background:color-mix(in oklab,var(--ink) 85%,black)}
.btn-outline-snow{border-color:color-mix(in oklab,var(--snow) 40%,transparent);color:var(--snow)}.btn-outline-snow:hover{border-color:var(--snow)}
.text-link{display:inline-block;border-bottom:1px solid var(--ink);padding-bottom:2px;font-size:14px}
.text-link:hover{border-color:var(--signal-text);color:var(--signal-text)}
.grid-overlay{background-image:linear-gradient(to right,color-mix(in oklab,currentColor 9%,transparent) 1px,transparent 1px),linear-gradient(to bottom,color-mix(in oklab,currentColor 9%,transparent) 1px,transparent 1px);background-size:96px 96px}
@keyframes geo-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(1.8)}}
.pulse-dot{position:relative;display:inline-flex;height:10px;width:10px}
.pulse-dot .ping{position:absolute;inset:0;border-radius:50%;background:var(--signal);animation:geo-pulse 2.8s ease-in-out infinite}
.pulse-dot .dot{position:relative;height:10px;width:10px;border-radius:50%;background:var(--signal)}
@media (prefers-reduced-motion:reduce){.pulse-dot .ping{animation:none}html{scroll-behavior:auto}}

/* header */
.site-header{position:absolute;inset-inline:0;top:0;z-index:30;color:var(--snow)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding-block:24px}
.brand{font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:-.02em}
.brand-sub{font-weight:400;opacity:.6;margin-left:6px;font-size:14px}
.main-nav{display:none;align-items:center;gap:36px}
.main-nav a:not(.btn){font-size:14px;color:color-mix(in oklab,var(--snow) 75%,transparent)}
.main-nav a:not(.btn):hover{color:var(--snow)}
.main-nav .btn,.nav-cta-mobile{padding-block:8px}
@media (min-width:900px){.main-nav{display:flex}.nav-cta-mobile{display:none}}

/* hero */
#top{position:relative;isolation:isolate;display:flex;min-height:min(86vh,860px);align-items:flex-end;overflow:hidden;background:var(--ink);color:var(--snow)}
#top::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(60% 70% at 78% 40%,oklch(42% .06 230 / .85),transparent 70%),radial-gradient(40% 50% at 92% 85%,oklch(55% .12 25 / .35),transparent 70%)}
#top .grid-overlay{position:absolute;inset:0;z-index:-1;color:var(--snow);opacity:.6}
.lead-strip{position:absolute;right:var(--gutter);top:45%;display:none;gap:120px;font-size:12px;color:color-mix(in oklab,var(--snow) 55%,transparent)}
.lead-strip span{border-top:1px solid color-mix(in oklab,var(--snow) 35%,transparent);padding-top:8px;min-width:60px}
@media (min-width:1100px){.lead-strip{display:flex}}
.hero-annotation{position:absolute;right:var(--gutter);top:96px;font-size:10px;letter-spacing:.08em;color:color-mix(in oklab,var(--snow) 60%,transparent);display:none}
@media (min-width:768px){.hero-annotation{display:block}}
.hero-content{position:relative;width:100%;padding-top:150px;padding-bottom:64px}
.hero-content .label{color:color-mix(in oklab,var(--snow) 75%,transparent)}
.hero-content h1{font-size:clamp(40px,6.4vw,84px);line-height:1.02;max-width:14ch;letter-spacing:-.035em}
.lede{margin-top:24px;max-width:56ch;font-size:17px;color:color-mix(in oklab,var(--snow) 85%,transparent)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-foot{margin-top:40px;font-size:11px;color:color-mix(in oklab,var(--snow) 55%,transparent)}

/* bands */
.band{padding-block:96px;border-top:1px solid color-mix(in oklab,var(--ink) 10%,transparent)}
.band-mist{background:var(--mist)}
.band-ink{background:var(--ink);color:var(--snow);border-top:0}
.band-ink .label{color:color-mix(in oklab,var(--snow) 60%,transparent)}
.band-ink .prose{color:color-mix(in oklab,var(--snow) 85%,transparent)}
.band h2{font-size:clamp(30px,3.6vw,48px);line-height:1.08;max-width:20ch}
.two-col{display:grid;gap:32px}
@media (min-width:900px){.two-col{grid-template-columns:5fr 7fr;gap:64px}}
.prose{display:grid;gap:18px;max-width:68ch;font-size:16.5px}
.section-head{display:grid;gap:12px;margin-bottom:48px}
.sub{color:var(--ink-soft);max-width:70ch}
.aside{margin-top:40px;max-width:78ch;color:var(--ink-soft);font-size:15px}

.stats{display:grid;gap:1px;margin-top:48px;background:color-mix(in oklab,var(--ink) 14%,transparent);border:1px solid color-mix(in oklab,var(--ink) 14%,transparent)}
@media (min-width:900px){.stats{grid-template-columns:repeat(3,1fr)}}
.stats>div{background:var(--paper);padding:28px}
.stats dt{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.stats .big{font-family:var(--font-display);font-size:clamp(28px,3vw,40px);margin-top:12px;letter-spacing:-.02em}
.stats .note{font-size:14px;color:var(--ink-soft);margin-top:4px}

.rows{list-style:none;padding:0;margin:0;border-top:1px solid color-mix(in oklab,var(--ink) 14%,transparent)}
.rows li{display:grid;grid-template-columns:40px 1fr;gap:8px 24px;padding-block:28px;border-bottom:1px solid color-mix(in oklab,var(--ink) 14%,transparent)}
.rows .key{font-family:var(--mono);font-size:13px;color:var(--signal-text);padding-top:6px;grid-row:span 2}
.rows h3{font-size:24px}
.rows p{color:var(--ink-soft);max-width:70ch}
@media (min-width:900px){.rows li{grid-template-columns:60px 5fr 7fr;align-items:baseline}.rows .key{grid-row:auto}}
.rules{display:grid;gap:24px;margin-top:48px}
@media (min-width:900px){.rules{grid-template-columns:1fr 1fr;gap:48px}}
.rules>div{border-left:2px solid var(--signal);padding-left:20px}

.facts{display:grid;gap:1px;background:color-mix(in oklab,var(--ink) 14%,transparent);border:1px solid color-mix(in oklab,var(--ink) 14%,transparent)}
@media (min-width:700px){.facts{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.facts{grid-template-columns:repeat(3,1fr)}}
.facts>div{background:var(--paper);padding:24px}
.facts dt{font-family:var(--mono);font-size:12px;color:var(--signal-text);text-transform:uppercase;letter-spacing:.08em}
.facts dd{margin-top:8px}
.vars{display:grid;gap:24px;margin-top:40px}
@media (min-width:900px){.vars{grid-template-columns:5fr 5fr 3fr}}
.vars .mono{color:var(--ink-soft);line-height:1.8;word-spacing:.2em}

.pipe{list-style:none;padding:0;margin:0;display:grid;gap:16px;counter-reset:p}
@media (min-width:900px){.pipe{grid-template-columns:repeat(4,1fr);gap:0}}
.pipe li{position:relative;border:1px solid color-mix(in oklab,var(--ink) 18%,transparent);padding:24px;background:var(--snow)}
@media (min-width:900px){.pipe li+li{border-left:0}.pipe li:not(:last-child)::after{content:"\2192";position:absolute;right:-9px;top:24px;background:var(--paper);font-size:14px;color:var(--signal-text);z-index:1;line-height:1}}
.pipe .num{font-size:12px;color:var(--signal-text)}
.pipe h3{font-size:20px;margin:8px 0}
.pipe p{font-size:14.5px;color:var(--ink-soft)}
.why{margin-top:48px;max-width:80ch;display:grid;gap:12px}
.why h3{font-size:22px}

.status{list-style:none;padding:0;margin:32px 0 0;display:grid;gap:14px;max-width:80ch}
.status li{display:flex;gap:16px;align-items:baseline}
.tag{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;padding:3px 8px;border:1px solid currentColor;white-space:nowrap;min-width:108px;text-align:center}
.tag.done{color:oklch(45% .1 150)}.tag.wip{color:oklch(50% .12 70)}.tag.todo{color:var(--ink-soft)}
.cta-row{display:flex;flex-wrap:wrap;gap:16px 24px;align-items:center;margin-top:48px;color:var(--ink-soft)}

.refs{margin:32px 0 0;padding-left:22px;display:grid;gap:10px;max-width:90ch;font-size:15px}
.refs li::marker{font-family:var(--mono);color:var(--ink-soft)}

.site-footer{background:var(--ink);color:var(--snow);padding-block:48px}
.site-footer .wrap{display:grid;gap:16px}
.site-footer nav{display:flex;flex-wrap:wrap;gap:24px;font-size:14px;color:color-mix(in oklab,var(--snow) 75%,transparent)}
.site-footer .small{color:color-mix(in oklab,var(--snow) 55%,transparent);max-width:80ch}