/* e-sig.org shared design system — tokens, type, components, motion.
   Pages keep only page-specific styles inline; everything reused lives here. */

/* ── Fonts (VMVONE, self-hosted) ─────────────────────────────────────── */
@font-face{font-family:'VMVONE';src:url('/fonts/vmvone-regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'VMVONE';src:url('/fonts/vmvone-Italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'VMVONE';src:url('/fonts/vmvone-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'VMVONE';src:url('/fonts/vmvone-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'VMVONE Condensed';src:url('/fonts/vmvoneCondensed-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'VMVONE Condensed';src:url('/fonts/vmvoneCondensed-Black.woff2') format('woff2');font-weight:900;font-style:normal;font-display:swap}
@font-face{font-family:'VMVONE Serif';src:url('/fonts/vmvoneSerif-Italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}

/* ── Tokens ──────────────────────────────────────────────────────────── */
:root{
  --bg:#0b0d10; --bg2:#111418; --card:#151a20; --line:#232a33;
  --fg:#e8edf2; --mut:#93a1b0; --dim:#68757f;
  --accent:#FF9933; --accent2:#8affc1; --ink:#e8edf2;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:'VMVONE',-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  --head:'VMVONE Condensed','VMVONE',-apple-system,BlinkMacSystemFont,sans-serif;
  --serifit:'VMVONE Serif',ui-serif,Georgia,serif;
  --ease-out:cubic-bezier(.16,1,.3,1);
  --z-header:10;
}
@media (prefers-color-scheme:light){
  :root{--bg:#fbfcfe;--bg2:#f2f5f9;--card:#ffffff;--line:#e4e9f0;--fg:#141a21;--mut:#54636f;--dim:#8494a0;--accent:#C2410C;--accent2:#0e9f6e;--ink:#141a21;}
}

/* ── Base ────────────────────────────────────────────────────────────── */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;font-size:16.5px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:color-mix(in srgb,var(--accent) 30%,transparent)}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
[id]{scroll-margin-top:76px}

h1,h2,h3{font-family:var(--head);text-wrap:balance}
h1{font-size:clamp(36px,6vw,64px);line-height:1.02;letter-spacing:-.01em;margin:0 0 18px;font-weight:900}
h2{font-size:clamp(24px,3.6vw,34px);letter-spacing:-.005em;margin:0 0 8px;font-weight:700}
p{text-wrap:pretty}
.lead{color:var(--mut);max-width:660px;margin:0 0 32px}
.sub{font-size:clamp(17px,2.4vw,21px);color:var(--mut);max-width:640px;margin:0 0 30px}

/* Serif-italic accent for one emphasized word or line in a display heading */
.accent-serif{font-family:var(--serifit);font-style:italic;font-weight:400;letter-spacing:0;color:var(--accent)}

/* Hand-drawn signature underline for the hero accent word */
.sigword{position:relative;display:inline-block}
.sigword .sig-stroke{position:absolute;left:-2%;bottom:-.14em;width:104%;height:.3em;overflow:visible;pointer-events:none}
.sigword .sig-stroke path{fill:none;stroke-width:3.2;stroke-linecap:round}
html.anim .sigword .sig-stroke path{stroke-dasharray:230;stroke-dashoffset:230;animation:sigdraw 1s var(--ease-out) .45s forwards}
@keyframes sigdraw{to{stroke-dashoffset:0}}

/* ── Header / nav ────────────────────────────────────────────────────── */
body>header{position:sticky;top:0;z-index:var(--z-header);backdrop-filter:blur(10px);background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--line)}
body>header nav{display:flex;align-items:center;gap:20px;height:60px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.02em;font-size:18px;color:var(--fg)!important}
.brand:hover{text-decoration:none}
.brandmark{height:23px;width:auto;border-radius:5px;display:block}
body>header nav .spacer{flex:1}
body>header nav a{color:var(--mut);font-size:14.5px;font-weight:500;transition:color .15s ease-out}
body>header nav a:hover{color:var(--fg);text-decoration:none}
body>header nav a.active{color:var(--fg)}
.ghbtn{border:1px solid var(--line);padding:6px 13px;border-radius:8px;color:var(--fg)!important}
@media(max-width:720px){body>header nav{gap:14px;overflow-x:auto}body>header nav a{white-space:nowrap}}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;transition:transform .18s var(--ease-out),border-color .18s ease-out,filter .18s ease-out}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
/* Dark text on the bright brand orange (accessible + energetic); light mode's
   deeper orange (--accent #C2410C) takes white text instead. */
.btn.primary{background:var(--accent);color:#160c00}
.btn.primary:hover{filter:brightness(1.07)}
@media(prefers-color-scheme:light){.btn.primary{color:#fff}}
.btn.ghost{border-color:var(--line);color:var(--fg);background:var(--card)}
.btn.ghost:hover{border-color:var(--mut)}

.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--card);color:var(--mut);font-size:13px;padding:5px 12px;border-radius:999px;margin-bottom:22px}
.pill b{color:var(--accent2);font-weight:600}

/* ── Cards ───────────────────────────────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;transition:transform .25s var(--ease-out),border-color .25s ease-out,box-shadow .25s ease-out}
.card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--mut) 55%,var(--line));box-shadow:0 12px 32px -20px color-mix(in srgb,var(--accent) 35%,transparent)}

/* ── Comparison tables ───────────────────────────────────────────────── */
.tblwrap{overflow-x:auto;border-radius:12px;border:1px solid var(--line)}
table.cmp{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--card)}
table.cmp th,table.cmp td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
table.cmp thead th{background:var(--bg2);color:var(--mut);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp .yes{color:var(--accent2);font-weight:600}
table.cmp .no{color:var(--dim)}
table.cmp td.us{color:var(--accent2);font-weight:700}
table.cmp tr.me{background:color-mix(in srgb,var(--accent) 9%,transparent)}
table.cmp tr.me td:first-child{font-weight:700}
a.addlink{color:var(--accent);font-weight:600;font-size:13px;text-decoration:none;white-space:nowrap}
a.addlink:hover{text-decoration:underline}

/* ── FAQ ─────────────────────────────────────────────────────────────── */
.faq{padding:14px 0;border-bottom:1px solid var(--line)}
.faq:last-child{border-bottom:none}
.faq h3{font-size:16.5px;margin:0 0 6px;font-family:var(--sans);font-weight:700}
.faq p{color:var(--mut);margin:0;font-size:14.5px}

/* ── Footer ──────────────────────────────────────────────────────────── */
footer{border-top:1px solid var(--line);padding:44px 0 36px;color:var(--dim);font-size:14px}
footer .row{display:flex;flex-wrap:wrap;gap:16px 18px;align-items:center}
footer .row a{color:var(--mut);transition:color .15s ease-out}
footer .row a:hover{color:var(--fg);text-decoration:none}
footer .legalrow{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
footer .legalrow a{color:var(--dim)}
footer .spacer{flex:1}
.disc{margin-top:14px;font-size:12.5px;color:var(--dim);max-width:720px}

/* ── Legal / document pages ──────────────────────────────────────────── */
.doc-head{padding:72px 0 6px}
.doc-head h1{font-size:clamp(32px,5vw,52px)}
.doc-head .updated{font-family:var(--mono);font-size:13px;color:var(--dim);margin:0 0 18px}
.doc-head .lead{max-width:720px}
.toc{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:18px 22px;margin:10px 0 12px}
.toc ol{margin:0;padding:0 0 0 20px;columns:2;column-gap:36px;font-size:14px}
.toc li{padding:3px 0;break-inside:avoid}
.toc a{color:var(--mut)}
.toc a:hover{color:var(--accent)}
@media(max-width:640px){.toc ol{columns:1}}
.doc-body{padding-bottom:64px}
.doc-body section{padding:0;border:0}
.doc-body h2{font-size:22px;margin:44px 0 10px;padding-top:6px}
.doc-body h3{font-size:16px;margin:22px 0 6px;font-family:var(--sans);font-weight:700}
.doc-body p,.doc-body li{max-width:75ch;color:var(--fg);font-size:15.5px}
.doc-body p{margin:0 0 14px}
.doc-body ul,.doc-body ol{margin:0 0 14px;padding-left:24px}
.doc-body li{margin:4px 0}
.doc-body strong{font-weight:700}

/* ── Scroll-reveal motion (RHRF FadeIn port) ─────────────────────────── */
/* Content is visible by default. Only when JS confirms IntersectionObserver
   support AND motion is allowed does html.anim gate the reveal styles. */
html.anim .rv{opacity:0;transform:translateY(24px);transition:opacity .55s var(--ease-out),transform .55s var(--ease-out);transition-delay:var(--rvd,0s);will-change:opacity,transform}
html.anim .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.anim .rv{opacity:1;transform:none;transition:none}
  html.anim .sigword .sig-stroke path{stroke-dasharray:none;stroke-dashoffset:0;animation:none}
  .btn,.card{transition:none}
  .btn:hover,.card:hover{transform:none}
  html{scroll-behavior:auto}
}