/* PRLX site styles.
   Layout: night bands (hero, page heads, development, footer) and paper bands (reading) on one
   12-column grid. One accent, the signal blue from the mark. Colours are fixed by design. */

@font-face{font-family:"Schibsted Grotesk";src:url(/assets/fonts/schibsted-grotesk.woff2) format("woff2");font-weight:400 900;font-display:swap}
@font-face{font-family:"Archivo";src:url(/assets/fonts/archivo.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url(/assets/fonts/source-serif-4.woff2) format("woff2");font-weight:200 900;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url(/assets/fonts/source-serif-4-italic.woff2) format("woff2");font-weight:200 900;font-style:italic;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(/assets/fonts/ibm-plex-mono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(/assets/fonts/ibm-plex-mono-500.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --ink:#0B0C0E; --ink-2:#121418; --rule-d:#23272E; --fog:#9AA3B2; --dim:#6B7383; --paper-d:#ECEFF4;
  --paper:#F7F8FA; --white:#FFFFFF; --grid:#E6EAF1; --rule-l:#D7DCE4; --slate:#4A5160; --text:#1E2229; --ink-l:#0C0C0C;
  --signal:#80B3FF; --signal-ink:#2D5DB0; --ok:#1F7A4D; --err:#B3261E;
  --f-sans:"Schibsted Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-wide:"Archivo",ui-sans-serif,system-ui,sans-serif;
  --f-serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --max:1200px; --gutter:max(24px,env(safe-area-inset-left,0px)); --gutter-r:max(24px,env(safe-area-inset-right,0px));
  --hdr:72px;
  color-scheme:light;
}
@media (max-width:640px){:root{--gutter:max(18px,env(safe-area-inset-left,0px));--gutter-r:max(18px,env(safe-area-inset-right,0px));--hdr:64px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink-l);font-family:var(--f-sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
h1,h2,h3,h4{margin:0;text-wrap:balance;font-weight:600}
p,ul,ol,figure,dl,dd{margin:0}
ul,ol{padding:0}
a{color:inherit;text-decoration:none}
img,svg,canvas{max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:1px}
::selection{background:var(--signal);color:var(--ink)}
[hidden]{display:none!important}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--paper-d);color:var(--ink);padding:10px 14px;border-radius:2px;font-size:14px}
.skip:focus{top:12px}
.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter-r)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.label{font-family:var(--f-mono);font-size:11.5px;line-height:1.4;letter-spacing:.09em;text-transform:uppercase}
.logo{display:block;aspect-ratio:1630/335;height:auto;color:currentColor}
.night{background:var(--ink);color:var(--paper-d)}

/* ---------- header ---------- */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:61;background:var(--ink)}
.hdr{position:fixed;top:env(safe-area-inset-top,0px);left:0;right:0;z-index:60;color:var(--paper-d);border-bottom:1px solid transparent;transition:background-color .3s,color .3s,border-color .3s}
.hdr-in{display:flex;align-items:center;justify-content:space-between;height:var(--hdr);gap:24px}
.hdr-logo .logo{width:98px}
.hdr-nav{display:flex;align-items:center;gap:30px;font-size:14.5px}
.hdr-nav a{color:var(--fog);transition:color .2s;position:relative;padding-block:6px}
.hdr-nav a:hover,.hdr-nav a[aria-current]{color:var(--paper-d)}
.hdr-nav a[aria-current]:not(.hdr-cta)::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--signal)}
.hdr-cta{border:1px solid var(--rule-d);padding:7px 14px!important;border-radius:2px;color:var(--paper-d)!important}
.hdr-cta:hover,.hdr-cta[aria-current]{border-color:var(--signal)}
.hdr.is-dark{background:rgba(11,12,14,.86);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom-color:var(--rule-d)}
.hdr.is-paper{background:rgba(247,248,250,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom-color:var(--rule-l);color:var(--ink-l)}
.hdr.is-paper .hdr-nav a{color:var(--slate)}
.hdr.is-paper .hdr-nav a:hover,.hdr.is-paper .hdr-nav a[aria-current]{color:var(--ink-l)}
.hdr.is-paper .hdr-cta{border-color:var(--rule-l);color:var(--ink-l)!important}
.hdr.is-paper .hdr-cta:hover{border-color:var(--signal-ink)}
.menu-btn{display:none;width:44px;height:44px;margin-right:-10px;background:none;border:0;cursor:pointer;place-items:center}
.menu-lines,.menu-lines::before{display:block;width:22px;height:1.5px;background:currentColor;position:relative;transition:transform .25s}
.menu-lines::before{content:"";position:absolute;top:7px;left:0}
.menu-lines{transform:translateY(-3.5px)}
.menu-btn[aria-expanded="true"] .menu-lines{transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] .menu-lines::before{transform:translateY(-7px) rotate(-90deg)}
.menu{position:fixed;inset:calc(var(--hdr) + env(safe-area-inset-top,0px)) 0 0 0;background:var(--ink);color:var(--paper-d);overflow-y:auto}
.menu-in{display:grid;padding-block:24px calc(32px + env(safe-area-inset-bottom,0px))}
.menu-in a{font-size:30px;letter-spacing:-.03em;font-weight:560;padding:14px 0;border-bottom:1px solid var(--rule-d);color:var(--paper-d)}
.menu-in a[aria-current]{color:var(--signal)}
.menu-mail{margin-top:28px;color:var(--fog);font-size:14px}
@media (max-width:820px){.hdr-nav{display:none}.menu-btn{display:grid}}
body.menu-open{overflow:hidden}
body.menu-open .hdr{background:var(--ink);color:var(--paper-d);border-bottom-color:var(--rule-d)}

/* ---------- home hero ---------- */
.hero{position:relative;height:max(640px,100svh);overflow:hidden}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-copy{position:relative;padding-top:clamp(150px,24vh,240px);display:grid;gap:28px}
.hero h1{font-size:clamp(46px,7vw,104px);line-height:.97;letter-spacing:-.047em;font-weight:600;max-width:10.5ch}
.hero-sub{font-size:clamp(17px,1.45vw,20px);line-height:1.5;color:var(--fog);max-width:44ch}
.hero-base{position:absolute;left:0;right:0;bottom:0;padding-bottom:calc(28px + env(safe-area-inset-bottom,0px))}
.hero-base .wrap{display:flex;justify-content:space-between;align-items:end;gap:20px;color:var(--dim)}
.hero-base .wrap > div{display:flex;gap:28px}
.scroll-cue{display:inline-flex;align-items:center;gap:10px}
.scroll-cue i{display:block;width:1px;height:26px;background:linear-gradient(var(--dim),transparent);animation:cue 2.4s ease-in-out infinite}
@keyframes cue{0%,100%{transform:scaleY(.4);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}}
@media (max-width:640px){.hero{height:max(600px,92svh)}.hero-copy{padding-top:clamp(120px,20vh,180px)}.hero-base .wrap > div{gap:18px}}

/* ---------- inner page head ---------- */
.phead{padding-top:calc(var(--hdr) + env(safe-area-inset-top,0px) + clamp(64px,10vw,120px));padding-bottom:clamp(56px,7vw,88px);position:relative;overflow:hidden}
.phead .grid{align-items:end}
.phead .label{color:var(--signal)}
.phead h1{font-size:clamp(38px,5.4vw,76px);line-height:1;letter-spacing:-.042em;font-weight:600;max-width:16ch}
.phead .lede{font-size:clamp(17px,1.45vw,20px);line-height:1.55;color:var(--fog);max-width:52ch;margin-top:28px}
.phead-meta{display:flex;gap:40px;flex-wrap:wrap;border-top:1px solid var(--rule-d);margin-top:44px;padding-top:18px}
.phead-meta div{display:grid;gap:4px}
.phead-meta .label{color:var(--dim)}
.phead-meta span:last-child{font-size:14.5px;color:var(--paper-d)}
.phead-mark{position:absolute;right:max(24px,6vw);bottom:clamp(56px,7vw,88px);width:clamp(70px,8vw,120px);opacity:.95}
@media (max-width:820px){.phead-mark{display:none}}

/* ---------- grid + sections ---------- */
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px}
.sec{padding-block:clamp(80px,10vw,136px) 0}
.sec:last-child{padding-bottom:clamp(96px,11vw,150px)}
.side{grid-column:1/4;color:var(--slate);padding-top:10px}
.main{grid-column:4/12;min-width:0}
.main.wide{grid-column:4/13}
@media (max-width:900px){.grid{grid-template-columns:1fr}.side,.main,.main.wide{grid-column:1}.side{padding-top:0;margin-bottom:16px}}
.night .side{color:var(--dim)}
.lede-l{font-size:clamp(26px,2.9vw,38px);line-height:1.22;letter-spacing:-.024em;font-weight:500;max-width:27ch}
.night .lede-l{color:var(--paper-d)}
.prose{display:grid;gap:18px;max-width:64ch}
.prose p,.prose li{font-family:var(--f-serif);font-size:18.5px;line-height:1.68;color:var(--text)}
.prose em{font-style:italic}
.prose strong{font-weight:620}
.lede-l + .prose{margin-top:36px}
.more{display:inline-flex;align-items:center;gap:10px;margin-top:36px;font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--signal-ink)}
.night .more{color:var(--signal)}
.more i{display:block;width:22px;height:1px;background:currentColor;position:relative;transition:width .25s}
.more i::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.more:hover i{width:32px}
.h2{font-size:clamp(30px,3.6vw,50px);line-height:1.04;letter-spacing:-.036em;font-weight:600;max-width:20ch}
.h2 + p,.h2 + .prose{margin-top:22px}
.night .sub-p{color:var(--fog);font-size:17.5px;line-height:1.6;max-width:56ch}
.band{padding-block:clamp(88px,10vw,128px)}
.band + .sec{padding-top:clamp(80px,10vw,136px)}

/* list of areas */
.rows{border-top:1px solid var(--ink-l)}
.rows > *{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:24px;padding:26px 0;border-bottom:1px solid var(--rule-l);align-items:baseline}
.rows h3{font-family:var(--f-wide);font-stretch:112%;font-weight:650;font-size:20px;letter-spacing:-.02em;line-height:1.25}
.rows p{font-family:var(--f-serif);font-size:17px;line-height:1.6;color:var(--slate)}
.rows a.row-link{transition:background .2s}
.rows a.row-link:hover h3{color:var(--signal-ink)}
@media (max-width:700px){.rows > *{grid-template-columns:1fr;gap:8px}}

/* ---------- development flow ---------- */
.flow-wrap{margin-top:clamp(48px,6vw,72px)}
.flow-canvas{display:block;width:100%;height:300px}
.stages{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));column-gap:20px;row-gap:32px}
.stages > div{display:grid;gap:8px;align-content:start;border-top:1px solid var(--rule-d);padding-top:14px;min-width:0}
.stages .label{color:var(--signal)}
.stages h3{font-size:16px;font-weight:600;letter-spacing:-.01em}
.stages p{font-size:14px;line-height:1.5;color:var(--fog)}
.stages.detail p{font-size:14.5px}
@media (max-width:1000px){.stages{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:560px){.stages{grid-template-columns:repeat(2,minmax(0,1fr))}.flow-canvas{height:220px}}

/* ---------- writing list ---------- */
.writing{border-top:1px solid var(--ink-l)}
.entry{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:24px;padding:26px 0;border-bottom:1px solid var(--rule-l);align-items:baseline}
.entry .d{font-family:var(--f-mono);font-size:12.5px;color:var(--slate);font-variant-numeric:tabular-nums}
.entry .t{display:grid;gap:8px;min-width:0}
.entry h3{font-family:var(--f-wide);font-stretch:110%;font-weight:640;font-size:clamp(18px,1.7vw,22px);letter-spacing:-.02em;line-height:1.28;transition:color .2s}
.entry .k{font-size:14px;color:var(--slate)}
.entry .x{font-family:var(--f-serif);font-size:16.5px;line-height:1.6;color:var(--slate);max-width:62ch}
.entry .s{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);white-space:nowrap}
a.entry .s{color:var(--signal-ink)}
a.entry:hover h3{color:var(--signal-ink)}
.entry.soon h3{color:#5B6270}
@media (max-width:700px){.entry{grid-template-columns:1fr;gap:6px}}

.area-block + .area-block{margin-top:clamp(64px,8vw,96px)}
.area-block .h3{font-family:var(--f-wide);font-stretch:115%;font-weight:700;font-size:clamp(24px,2.4vw,32px);letter-spacing:-.03em;line-height:1.1}
.area-block > p{font-family:var(--f-serif);font-size:18px;line-height:1.62;color:var(--text);max-width:60ch;margin:16px 0 28px}

/* ---------- about ---------- */
.values{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--ink-l)}
.values > div{padding:28px 32px 30px 0;border-bottom:1px solid var(--rule-l);display:grid;gap:10px;align-content:start}
.values > div:nth-child(2n){padding-left:32px;padding-right:0;border-left:1px solid var(--rule-l)}
.values .label{color:var(--signal-ink)}
.values h3{font-family:var(--f-wide);font-stretch:112%;font-weight:660;font-size:20px;letter-spacing:-.02em;line-height:1.25}
.values p{font-family:var(--f-serif);font-size:16.5px;line-height:1.6;color:var(--slate)}
@media (max-width:700px){.values{grid-template-columns:1fr}.values > div,.values > div:nth-child(2n){padding:24px 0;border-left:0}}
.checks{display:grid;gap:0;border-top:1px solid var(--ink-l)}
.checks li{list-style:none;display:grid;grid-template-columns:22px 1fr;gap:12px;padding:18px 0;border-bottom:1px solid var(--rule-l);font-family:var(--f-serif);font-size:17.5px;line-height:1.55;color:var(--text)}
.checks li::before{content:"";width:8px;height:14px;margin-top:6px;background:var(--signal);transform:skewX(-9.5deg)}
.places{display:grid;grid-template-columns:1fr auto 1fr;gap:32px;align-items:start;border-top:1px solid var(--ink-l);padding-top:22px}
.place{display:grid;gap:10px}
.place .label{color:var(--slate)}
.place h3{font-family:var(--f-wide);font-stretch:120%;font-weight:720;font-size:clamp(28px,3vw,38px);letter-spacing:-.035em}
.place p{font-family:var(--f-serif);font-size:16.5px;line-height:1.6;color:var(--slate);max-width:34ch}
.link-line{display:grid;gap:10px;justify-items:center;text-align:center;padding-top:8px;min-width:200px}
.link-line svg{width:200px;height:24px;display:block}
.link-line .v{font-family:var(--f-mono);font-size:26px;letter-spacing:-.02em}
.link-line .k{font-size:13px;color:var(--slate);max-width:26ch}
@media (max-width:760px){.places{grid-template-columns:1fr;gap:28px}.link-line{justify-items:start;text-align:left}}

/* figure (shared) */
.fig{background:var(--white);border:1px solid var(--rule-l)}
.fig-h{display:flex;justify-content:space-between;gap:12px;padding:13px 18px;border-bottom:1px solid var(--grid)}
.fig-h .label{font-size:10.5px;color:var(--slate)}
.fig svg,.fig canvas{display:block;width:100%;height:auto}
.fig-c{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:13px 18px;border-top:1px solid var(--grid);font-family:var(--f-serif);font-style:italic;font-size:15px;color:var(--slate);line-height:1.5}
.fig-c b{font-style:normal;font-family:var(--f-mono);font-weight:500;font-size:12px;color:var(--ink-l);margin-right:8px}
.gauge-row{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:start;margin-top:44px}
.gauge-row .fig svg{touch-action:pan-y;cursor:ew-resize}
.readout{border-top:1px solid var(--ink-l)}
.readout > div{display:flex;justify-content:space-between;gap:12px;padding:15px 0;border-bottom:1px solid var(--rule-l);align-items:baseline}
.readout .k{font-size:15px;color:var(--slate)}
.readout .v{font-family:var(--f-mono);font-size:22px;font-variant-numeric:tabular-nums}
.readout .v.err{color:var(--signal-ink)}
.readout p{font-family:var(--f-serif);font-size:16.5px;line-height:1.6;color:var(--slate);padding-top:20px}
@media (max-width:900px){.gauge-row{grid-template-columns:1fr}}

/* ---------- development page ---------- */
.reaction{margin-top:44px}
.reaction canvas{display:block;width:100%;height:220px}
.legend{display:flex;gap:28px;flex-wrap:wrap;margin-top:16px;color:var(--fog);font-size:14px}
.legend span{display:inline-flex;gap:10px;align-items:center}
.legend i{width:18px;height:3px;display:block}
.stack{border-top:1px solid var(--ink-l)}
.stack > div{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);gap:24px;padding:22px 0;border-bottom:1px solid var(--rule-l)}
.stack .label{color:var(--slate);padding-top:4px}
.stack p{font-family:var(--f-serif);font-size:17px;line-height:1.6;color:var(--text)}
.stack b{font-family:var(--f-sans);font-weight:600;display:block;margin-bottom:4px;font-size:16px}
@media (max-width:700px){.stack > div{grid-template-columns:1fr;gap:6px}}

/* ---------- paper (article) ---------- */
.article{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding-block:clamp(56px,7vw,88px) clamp(96px,11vw,150px)}
.toc{grid-column:1/4;position:sticky;top:calc(var(--hdr) + 32px + env(safe-area-inset-top,0px));align-self:start;display:grid;gap:8px;font-size:14px}
.toc .label{color:var(--slate);margin-bottom:8px}
.toc a{display:flex;gap:10px;color:var(--slate);padding:3px 0;transition:color .2s}
.toc a span{font-family:var(--f-mono);font-size:12px;color:#8A93A3;min-width:2ch}
.toc a:hover,.toc a.on{color:var(--ink-l)}
.toc a.on span{color:var(--signal-ink)}
.art{grid-column:4/12;min-width:0}
.art > section{padding-bottom:52px;scroll-margin-top:calc(var(--hdr) + 28px)}
.art h2{font-family:var(--f-wide);font-stretch:110%;font-weight:690;font-size:clamp(22px,2.2vw,27px);letter-spacing:-.024em;display:flex;gap:16px;align-items:baseline;margin-bottom:18px}
.art h2 span{font-family:var(--f-mono);font-weight:400;font-size:12.5px;color:var(--signal-ink)}
.art p,.art li{font-family:var(--f-serif);font-size:18px;line-height:1.7;color:var(--text);max-width:68ch}
.art p + p,.art p + ul,.art ul + p{margin-top:16px}
.art ul{padding-left:22px;display:grid;gap:10px}
.art strong{font-weight:620}
.art .fig{margin:26px 0 8px}
.abstract{background:var(--white);border:1px solid var(--rule-l);padding:28px 32px;display:grid;gap:14px;margin-bottom:56px}
.abstract .label{color:var(--signal-ink)}
.abstract p{font-size:18px}
.cards3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}
.cards3 > div{background:var(--white);border:1px solid var(--rule-l);padding:22px;display:grid;gap:10px;align-content:start}
.cards3 h3{font-family:var(--f-wide);font-stretch:110%;font-weight:660;font-size:18px;letter-spacing:-.02em}
.cards3 p{font-size:16px!important;line-height:1.55!important;color:var(--slate)!important}
@media (max-width:900px){.cards3{grid-template-columns:1fr}}
.tbl{overflow-x:auto;margin-top:20px;border-top:1px solid var(--ink-l)}
.tbl table{border-collapse:collapse;width:100%;min-width:620px}
.tbl th,.tbl td{text-align:left;vertical-align:top;padding:13px 16px 13px 0;border-bottom:1px solid var(--rule-l)}
.tbl th{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);font-weight:500}
.tbl td{font-family:var(--f-serif);font-size:16px;line-height:1.5;color:var(--text)}
.tbl td:first-child{font-family:var(--f-mono);font-size:13px;color:var(--signal-ink);white-space:nowrap}
.note-box{border-left:3px solid var(--signal);padding:4px 0 4px 20px;margin-top:22px}
.note-box p{font-size:19px;line-height:1.55;color:var(--ink-l)}
@media (max-width:1000px){.toc{display:none}.art{grid-column:1/-1}}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding-block:clamp(56px,7vw,88px) clamp(96px,11vw,150px)}
.form{grid-column:1/8;display:grid;gap:22px;align-content:start}
.aside{grid-column:9/13;display:grid;gap:32px;align-content:start}
@media (max-width:900px){.contact{grid-template-columns:1fr;row-gap:56px}.form,.aside{grid-column:1}}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:640px){.f2{grid-template-columns:1fr}}
.field{display:grid;gap:8px}
.field label{font-size:14px;font-weight:550;color:var(--ink-l)}
.field label .opt{font-weight:400;color:var(--slate)}
.field input,.field select,.field textarea{width:100%;background:var(--white);border:1px solid var(--rule-l);border-radius:2px;padding:13px 14px;font-size:16px;line-height:1.4;color:var(--ink-l);transition:border-color .2s,box-shadow .2s;appearance:none;-webkit-appearance:none}
.field textarea{min-height:190px;resize:vertical;font-family:var(--f-sans)}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--slate) 50%),linear-gradient(135deg,var(--slate) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:40px}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#B9C1CD}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--signal-ink);box-shadow:0 0 0 3px rgba(128,179,255,.35)}
.field .hint{font-size:13px;color:var(--slate)}
.field .err-msg{font-size:13px;color:var(--err);display:none}
.field.invalid input,.field.invalid textarea,.field.invalid select{border-color:var(--err)}
.field.invalid .err-msg{display:block}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:4px}
.form-foot p{font-size:13px;color:var(--slate);max-width:44ch}
.form-foot a{text-decoration:underline;text-underline-offset:3px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;height:50px;padding:0 26px;border-radius:2px;border:0;background:var(--ink-l);color:var(--paper-d);font-size:15px;font-weight:560;cursor:pointer;transition:background .2s}
.btn:hover{background:#23272E}
.btn[disabled]{opacity:.6;cursor:progress}
.btn .spin{width:14px;height:14px;border:1.5px solid rgba(236,239,244,.35);border-top-color:var(--paper-d);border-radius:50%;animation:spin .8s linear infinite;display:none}
.btn.busy .spin{display:block}
@keyframes spin{to{transform:rotate(360deg)}}
.status{padding:16px 18px;border:1px solid var(--rule-l);background:var(--white);font-size:15px;line-height:1.5;display:none}
.status.show{display:block}
.status.ok{border-color:rgba(31,122,77,.35);background:#F2FAF5;color:#13492F}
.status.bad{border-color:rgba(179,38,30,.35);background:#FDF3F2;color:#6B1712}
.sent{display:grid;gap:16px;padding:32px;background:var(--white);border:1px solid var(--rule-l)}
.sent h2{font-size:28px;letter-spacing:-.03em}
.sent p{font-family:var(--f-serif);font-size:17.5px;line-height:1.6;color:var(--text)}
.aside-block{display:grid;gap:10px;border-top:1px solid var(--ink-l);padding-top:18px}
.aside-block .label{color:var(--slate)}
.aside-block p{font-family:var(--f-serif);font-size:16.5px;line-height:1.6;color:var(--text)}
.mail-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.mail-row .mono{font-size:16px}
.copy{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:6px 10px;border:1px solid var(--rule-l);border-radius:2px;background:var(--white);cursor:pointer;color:var(--slate)}
.copy:hover{border-color:var(--slate);color:var(--ink-l)}

/* ---------- legal ---------- */
.legal{padding-block:clamp(56px,7vw,88px) clamp(96px,11vw,150px)}
.legal .art h2{font-size:21px}
.legal .art > section{padding-bottom:36px}
.updated{font-family:var(--f-mono);font-size:12px;color:var(--slate);margin-bottom:36px;display:block}

/* ---------- 404 ---------- */
.nf{min-height:100svh;display:grid;align-content:center;padding-top:var(--hdr)}
.nf h1{font-size:clamp(44px,7vw,96px);letter-spacing:-.045em;line-height:1}
.nf p{color:var(--fog);font-size:18px;margin-top:20px;max-width:44ch}

/* ---------- footer ---------- */
.ftr{background:var(--ink);color:var(--paper-d)}
.ftr-top{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:40px;padding-block:80px 60px}
.ftr-brand{grid-column:1/5;display:grid;gap:22px;align-content:start}
.ftr-brand .logo{width:116px}
.ftr-brand p{color:var(--fog);font-size:14.5px;max-width:30ch}
.ftr-col{grid-column:span 2;display:grid;gap:10px;align-content:start;font-size:14.5px;color:var(--fog)}
.ftr-wide{grid-column:span 4}
.ftr-col .label{color:var(--dim);margin-bottom:6px}
.ftr-col a{transition:color .2s;width:fit-content}
.ftr-col a:hover{color:var(--paper-d)}
.ftr-col .mono{font-size:14px;color:var(--paper-d)}
.ftr-base{border-top:1px solid var(--rule-d);padding-block:22px calc(30px + env(safe-area-inset-bottom,0px))}
.ftr-base p{font-size:13px;color:var(--dim);max-width:90ch}
@media (max-width:900px){.ftr-brand{grid-column:1/-1}.ftr-col,.ftr-wide{grid-column:span 6}}
@media (max-width:480px){.ftr-col,.ftr-wide{grid-column:1/-1}}

/* ---------- reveal (content is visible without JS; JS opts in) ---------- */
.js .rv{opacity:0;transform:translateY(14px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}.scroll-cue i{animation:none}}
@media print{.hdr,.ftr,canvas{display:none}body{background:#fff}}
.legal .art{grid-column:3/11}
@media (max-width:1000px){.legal .art{grid-column:1/-1}}