/* Inkdesk brand skin, "the signing desk" (phase 0C). Loaded after core.css, so these tokens replace the ones in core.css.
   Light: cool laid-paper desk, deep ink-navy text, one ink-blue accent for actions, a small gold "foil" used only for the seal and highlights.
   Dark: ink-navy desk. The signature "letter" card stays paper-white in both themes (a signature is judged on white).
   Contrast (computed in tests/t_brand.py): every text colour is 4.5:1 or better on every surface it is used on; control borders are 3:1 or better.
   Components live in components.css (tool pages and the design-check page). Do not add colours outside this token list. */
@font-face{font-family:"La Belle Aurore";src:url("/assets/fonts/la-belle-aurore-latin.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
:root{
  --bg:#eceff3; --paper:#fafbfc; --panel2:#e1e6ed; --line:#d0d7e1; --line-strong:#9aa6ba; --control:#76839a;
  --text:#0f1c36; --ink:#0f1c36; --sub:#3a4862; --faint:#4e5c78;
  --accent:#1c3fb8; --on-accent:#ffffff; --accent-hover:#16329a; --accent-ink:#17348f; --accent-soft:#dde5fb; --accent-line:#a9bbf0;
  --gold:#d4a62f; --gold-ink:#7a5a0c; --gold-soft:#f6ebc9;
  --good:#17684a; --good-soft:#dcf1e6; --warn:#8a4b00; --warn-soft:#fdf0d9; --bad:#a3262a; --bad-soft:#fbe3e3;
  --seal-bg:#0f1c36; --seal-fg:#f7f8fb; --pen:#1c3fb8; --on-gold:#0f1c36;
  --letter:#fbfbf9; --letter-ink:#1b2438; --letter-line:#d9dde4;
  --desk-lines:rgba(15,28,54,.028);
  --shadow-card:0 1px 2px rgba(15,28,54,.08),0 1px 0 rgba(15,28,54,.04); --shadow-pop:0 14px 36px rgba(15,28,54,.22); --shadow-letter:0 10px 30px rgba(15,28,54,.16),0 1px 3px rgba(15,28,54,.12);
  --radius-sm:4px; --radius:8px; --radius-lg:12px;
  --ui:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --hand:"La Belle Aurore","Segoe Script","Bradley Hand","Brush Script MT",cursive;
  --font:var(--ui); --brand:var(--accent);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0b1324; --paper:#121c33; --panel2:#1a2744; --line:#26365a; --line-strong:#4c6190; --control:#7288b8;
  --text:#eef1f8; --ink:#eef1f8; --sub:#b6c1d8; --faint:#97a5c0;
  --accent:#8aa8ff; --on-accent:#0b1324; --accent-hover:#a3bbff; --accent-ink:#a9bfff; --accent-soft:#1b2c5a; --accent-line:#3d559a;
  --gold:#e0b44a; --gold-ink:#e6c26a; --gold-soft:#3a2f10;
  --good:#6fd3a0; --good-soft:#12382a; --warn:#f2b867; --warn-soft:#3a2a0c; --bad:#ff9a9d; --bad-soft:#44171a;
  --seal-bg:#eef1f8; --seal-fg:#0b1324; --pen:#1c3fb8; --on-gold:#0f1c36;
  --letter:#fbfbf9; --letter-ink:#1b2438; --letter-line:#d9dde4;
  --desk-lines:rgba(255,255,255,.016);
  --shadow-card:0 1px 2px rgba(0,0,0,.5); --shadow-pop:0 14px 36px rgba(0,0,0,.6); --shadow-letter:0 14px 34px rgba(0,0,0,.55);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.6 var(--ui);color:var(--text);background:var(--bg) repeating-linear-gradient(0deg,var(--desk-lines) 0 1px,transparent 1px 4px);min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--accent-ink)}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
button{font-family:inherit}
::selection{background:var(--accent-soft);color:var(--accent-ink)}
.skip{position:absolute;left:-999px;top:8px;background:var(--paper);color:var(--text);padding:8px 12px;border-radius:var(--radius);z-index:200;border:1px solid var(--line-strong)}
.skip:focus{left:8px}
.sr,.tkx-quiet{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- header ---------- */
.bar{display:flex;align-items:center;gap:8px;padding:10px max(16px,env(safe-area-inset-right)) 10px max(16px,env(safe-area-inset-left));
  background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 1px 0 var(--desk-lines);position:relative;z-index:50}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.logo img{display:block;border-radius:8px}
.wm{font:400 30px/1 var(--hand);letter-spacing:0;color:var(--text)}.wm b{font-weight:400;color:var(--accent-ink)}
.sp{flex:1}
.ibtn,.menu>summary{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 14px;border:1px solid var(--control);
  border-radius:999px;background:var(--paper);color:var(--text);font:600 14px/1 var(--ui);cursor:pointer;text-decoration:none;list-style:none;white-space:nowrap}
.ibtn:hover,.menu>summary:hover{background:var(--accent-soft);border-color:var(--accent)}
.ibtn.ic,.menu.more>summary{width:38px;padding:0;font-size:17px}
.menu>summary::-webkit-details-marker{display:none}
.menu>summary::after{content:"\25BE";margin-left:6px;font-size:10px;opacity:.8}
.menu.more>summary::after{content:none}
.menu{position:relative}
.pop{position:absolute;right:0;top:calc(100% + 8px);z-index:90;min-width:230px;background:var(--paper);border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);padding:10px;display:grid;gap:10px}
.pop h2{margin:0 0 2px;font:700 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink)}
.pop a,.pop button{display:block;width:100%;text-align:left;padding:8px 10px;border:0;border-radius:var(--radius);background:none;color:var(--text);font:500 14.5px/1.3 var(--ui);text-decoration:none;cursor:pointer}
.pop a:hover,.pop button:hover{background:var(--accent-soft)}
.pop a[aria-current=page]{background:var(--accent-soft);font-weight:700}
.pop .danger{color:var(--bad)}
.pop.narrow{min-width:210px;gap:2px}

/* ---------- hero: the sign-here line and one pen stroke ---------- */
.hero{max-width:880px;margin:0 auto;padding:46px 20px 22px;text-align:center}
.kicker{display:flex;align-items:center;justify-content:center;gap:10px;margin:0 0 14px;font:700 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--gold-ink)}
.kicker::before{content:"\00D7";font:700 18px/1 var(--ui);letter-spacing:0}
.hero h1{margin:0;font:800 clamp(32px,6vw,54px)/1.07 var(--ui);letter-spacing:-.025em;color:var(--text)}
.hero h1 .pen{position:relative;display:inline-block;white-space:nowrap}
.hero h1 .pen-line{position:absolute;left:-2%;right:-2%;bottom:-.16em;width:104%;height:.3em;overflow:visible;pointer-events:none}
.pen-line path{fill:none;stroke:var(--gold);stroke-width:5;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:0;animation:penDraw 1.1s .35s cubic-bezier(.5,.1,.3,1) backwards}
@keyframes penDraw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
.hero-lede{margin:18px auto 0;max-width:640px;font-size:clamp(16px,2.2vw,19px);color:var(--sub)}
.hero-sign{display:flex;align-items:flex-end;justify-content:center;gap:10px;margin:22px auto 0;max-width:340px;color:var(--gold-ink)}
.hero-sign .x{font:700 22px/1 var(--ui);padding-bottom:6px}
.hero-sign .rule{position:relative;flex:1;height:44px;border-bottom:2px solid var(--control)}
.hero-sign .hand{position:absolute;left:10px;bottom:1px;font:34px/1 var(--hand);color:var(--accent-ink);white-space:nowrap}
#app{max-width:1040px;margin:0 auto;padding:6px 16px 8px}
.boot{text-align:center;color:var(--sub);font-family:var(--mono);font-size:14px;padding:40px 0}
.trust{max-width:760px;margin:6px auto 0;padding:0 16px 26px;text-align:center}
.formats{margin:6px 0 0;font:13px var(--mono);color:var(--faint)}
.stamps{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:20px 0 0;padding:0;list-style:none}
.stamps li{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border:1px solid var(--gold);border-radius:999px;background:var(--gold-soft);color:var(--gold-ink);font:700 12px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase}
.stamps li::before{content:"\2713";font-family:var(--ui)}
.draft{max-width:760px;margin:0 auto 8px;padding:12px 16px;border:1px dashed var(--control);border-radius:var(--radius-lg);background:var(--paper);color:var(--sub);font:13px/1.5 var(--mono);text-align:center}

/* ---------- guide (copy under the tool) ---------- */
.guide{max-width:1040px;margin:0 auto;padding:18px 20px 56px}
.guide>.lead{font:400 clamp(18px,2.4vw,21px)/1.55 var(--ui);color:var(--text);max-width:760px;margin:0 0 8px}
.guide section{margin-top:44px}
.guide h2{display:flex;align-items:flex-end;gap:12px;margin:0 0 18px;font:800 clamp(23px,3.2vw,29px)/1.15 var(--ui);letter-spacing:-.015em}
.guide h2::after{content:"\00D7";flex:1;min-width:40px;height:1.05em;border-bottom:2px solid var(--line-strong);color:var(--gold-ink);font:700 .8em/.8 var(--ui);letter-spacing:0;overflow:hidden}
.guide h3{margin:0 0 6px;font:700 18px/1.3 var(--ui)}
.guide p,.guide li{max-width:72ch}
.guide p{margin:0 0 14px}
.steps{padding-top:16px!important;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin:0;padding:0;list-style:none;counter-reset:s}
.steps li{position:relative;padding:24px 20px 18px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);counter-increment:s;max-width:none}
.steps li::before{content:counter(s);position:absolute;top:-15px;left:18px;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--seal-bg);color:var(--seal-fg);font:700 16px var(--ui)}
.steps li>b:first-child{display:block;margin-bottom:4px;font:700 17px var(--ui)}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
.card{padding:16px 18px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}
.card .tag{display:block;margin-bottom:6px;font:700 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink)}
.card h2,.card h3{margin:0 0 6px;font:700 18px/1.3 var(--ui)}
.card h2 a,.card h3 a{color:var(--text);text-decoration:none}.card h2 a:hover,.card h3 a:hover{color:var(--accent-ink);text-decoration:underline}
.card p{margin:0;font-size:15px;color:var(--sub)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0;padding:0;list-style:none}
.chips li{padding:6px 12px;border:1px solid var(--line-strong);border-radius:999px;background:var(--paper);font:600 13px var(--ui)}
code{font:.9em var(--mono);background:var(--panel2);padding:1px 6px;border-radius:var(--radius-sm)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;justify-content:space-between;gap:16px;padding:16px 4px;cursor:pointer;font:700 17px/1.35 var(--ui);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 26px/1 var(--mono);color:var(--gold-ink)}
.faq details[open] summary::after{content:"\2013"}
.faq details p{margin:0 4px 18px;color:var(--sub)}
.callout{padding:16px 20px;border-left:4px solid var(--gold);background:var(--paper);border-radius:0 var(--radius-lg) var(--radius-lg) 0;box-shadow:var(--shadow-card)}
.related ul,.tags{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.related a,.tags a{display:inline-block;padding:8px 14px;border:1px solid var(--line-strong);border-radius:999px;background:var(--paper);text-decoration:none;font:600 14px var(--ui);color:var(--text)}
.related a:hover,.tags a:hover{background:var(--accent-soft);border-color:var(--accent)}
.tags a{font:500 13px var(--mono);padding:6px 12px}

/* home: sections */
.band{max-width:1040px;margin:0 auto;padding:30px 20px 6px}
.band h2{display:flex;align-items:flex-end;gap:12px;margin:0 0 6px;font:800 clamp(23px,3.2vw,29px)/1.15 var(--ui);letter-spacing:-.015em}
.band h2::after{content:"\00D7";flex:1;min-width:40px;height:1.05em;border-bottom:2px solid var(--line-strong);color:var(--gold-ink);font:700 .8em/.8 var(--ui);overflow:hidden}
.band>p{margin:0 0 18px;color:var(--sub);max-width:70ch}
.principles{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin:0;padding:0;list-style:none}
.principles li{padding:16px 18px;border-left:4px solid var(--gold);background:var(--paper);border-radius:0 var(--radius-lg) var(--radius-lg) 0;box-shadow:var(--shadow-card)}
.principles b{display:block;font:700 17px var(--ui);margin-bottom:4px}.principles span{color:var(--sub);font-size:15px}

footer{border-top:1px solid var(--line);background:var(--paper);padding:30px max(20px,env(safe-area-inset-right)) 28px max(20px,env(safe-area-inset-left))}
.foot{max-width:1040px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:22px}
.foot h2{margin:0 0 8px;font:700 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink)}
.foot a{display:block;padding:4px 0;color:var(--text);text-decoration:none;font-size:15px}.foot a:hover{text-decoration:underline}
.legal{max-width:1040px;margin:22px auto 0;font:13px/1.5 var(--mono);color:var(--faint)}
.foot,.legal{padding:0 20px}
#app [hidden]{display:none!important}


/* ---------- dialog (toolboot.js builds .tk-dlg-overlay > .tk-dlg; found unstyled in 0B, styled here) ---------- */
.tk-dlg-overlay{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(11,19,36,.55);backdrop-filter:blur(2px)}
.tk-dlg{width:100%;max-width:440px;background:var(--paper);color:var(--text);border:1px solid var(--line-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);padding:22px}
.tk-dlg h2{margin:0 0 10px;font:800 20px/1.25 var(--ui);letter-spacing:-.01em}
.tk-dlg-body p{margin:0 0 6px;color:var(--sub);font-size:15px;line-height:1.55}
.tk-dlg-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px;margin-top:18px}
.tk-dlg-actions button{min-height:42px;padding:0 18px;border:1px solid var(--control);border-radius:var(--radius);background:var(--paper);color:var(--text);font:700 14.5px/1 var(--ui);cursor:pointer}
.tk-dlg-actions button:hover{background:var(--accent-soft);border-color:var(--accent)}
.tk-dlg-actions button.danger{background:var(--bad);border-color:var(--bad);color:var(--paper)}
.tk-dlg-actions button.danger:hover{filter:brightness(1.1)}
@media (max-width:520px){.tk-dlg-overlay{align-items:flex-end;padding:10px}.tk-dlg-actions button{flex:1}}

/* ---------- small screens ---------- */
@media (max-width:520px){
  .bar{gap:6px;padding-top:8px;padding-bottom:8px}.wm{font-size:26px}.logo img{width:28px;height:28px}
  .ibtn.gl{display:none}.hero{padding-top:28px}
  .pop{position:fixed;left:12px;right:12px;top:58px;min-width:0}
  .steps{gap:26px}#app{padding-left:12px;padding-right:12px}
  .kicker{font-size:11px;letter-spacing:.08em}
  .formats{font-size:12px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important;animation:none!important}}
@media print{.bar,.hero,.trust,footer,.guide{display:none}}