/* ScanSign shared site chrome — nav, footer, buttons, container, type
   Used by /vs/, /guide/ and other secondary pages. Landing page inlines its own. */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --pri:#2B3A67;
  --pri-dark:#1F2A4D;
  --pri-glow:rgba(43,58,103,.30);
  --acc:#B85A3A;
  --acc-dark:#9A4A2F;
  --acc-glow:rgba(184,90,58,.28);
  --dark:#0F1320;
  --g900:#1A1A2E;
  --g700:#3D3D5C;
  --g500:#7A7A8E;
  --g300:#B4B4C0;
  --g100:#F4F4F7;
  --g50:#FAFAFC;
  --white:#FFFFFF;
  --ok:#1B7F4D;
  --bad:#B23838;
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 4px 30px rgba(43,58,103,.07);
  --shadow-lg:0 20px 60px rgba(43,58,103,.12);
  --font:'DM Sans',-apple-system,system-ui,sans-serif;
  --mono:'Space Mono',ui-monospace,monospace;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--dark);line-height:1.6;background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}

/* NAV */
.nav{position:fixed;top:0;left:0;width:100%;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid rgba(43,58,103,.06)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 32px;height:72px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;color:var(--dark)}
.logo-mark{width:38px;height:38px;background:var(--pri);border-radius:11px;display:flex;align-items:center;justify-content:center;flex:none}
.logo-mark svg{width:22px;height:22px}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{color:var(--g700);font-weight:500;font-size:15px;transition:color .15s}
.nav-links a:hover{color:var(--pri)}
.nav-links a.active{color:var(--pri)}
.nav-cta{padding:10px 22px;background:var(--pri);color:var(--white);border-radius:999px;font-weight:600;font-size:14px;transition:transform .15s,box-shadow .2s}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px var(--pri-glow);color:var(--white)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:transform .15s,box-shadow .2s;border:1.5px solid transparent}
.btn-primary{background:var(--pri);color:var(--white)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px var(--pri-glow);color:var(--white)}
.btn-ghost{background:var(--white);color:var(--dark);border-color:rgba(43,58,103,.16)}
.btn-ghost:hover{border-color:var(--pri);color:var(--pri)}

/* PAGE HEAD */
.page{max-width:880px;margin:0 auto;padding:120px 32px 60px}
.page-wide{max-width:1100px;margin:0 auto;padding:120px 32px 60px}
.crumbs{font-size:13px;color:var(--g500);margin-bottom:18px}
.crumbs a{color:var(--g700)}.crumbs a:hover{color:var(--pri)}
.crumbs span{margin:0 6px;color:var(--g300)}
.tag{display:inline-block;padding:6px 14px;background:rgba(43,58,103,.08);color:var(--pri);border-radius:999px;font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-bottom:18px}
.page h1{font-size:clamp(34px,4.6vw,52px);font-weight:800;line-height:1.1;letter-spacing:-.02em;margin-bottom:18px}
.page h1 span{background:linear-gradient(120deg,var(--pri),var(--acc));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:inline-block}
.page-wide h1{font-size:clamp(34px,4.6vw,52px);font-weight:800;line-height:1.1;letter-spacing:-.02em;margin-bottom:18px}
.lead{font-size:19px;color:var(--g500);line-height:1.55;margin-bottom:36px;max-width:60ch}
.meta-line{font-size:13.5px;color:var(--g500);margin-bottom:36px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.meta-line .dot{width:4px;height:4px;background:var(--g300);border-radius:50%}

/* PROSE */
.prose h2{font-size:28px;font-weight:800;margin:48px 0 16px;letter-spacing:-.01em;color:var(--dark)}
.prose h3{font-size:21px;font-weight:700;margin:36px 0 12px;color:var(--dark)}
.prose p{font-size:17px;color:var(--g700);margin-bottom:18px;line-height:1.7}
.prose ul,.prose ol{margin:0 0 22px 22px}
.prose li{font-size:17px;color:var(--g700);margin-bottom:8px;line-height:1.7}
.prose strong{color:var(--dark);font-weight:700}
.prose a{color:var(--pri);font-weight:600;border-bottom:1.5px solid rgba(43,58,103,.25)}
.prose a:hover{border-color:var(--pri)}
.prose code{font-family:var(--mono);font-size:14px;background:var(--g100);padding:2px 6px;border-radius:6px}
.callout{background:var(--g50);border-left:3px solid var(--acc);padding:18px 22px;border-radius:8px;margin:24px 0}
.callout p{margin:0;font-size:16px;color:var(--g700)}
.callout strong{color:var(--dark)}

/* COMPARISON TABLE */
.cmp{margin:36px 0;border:1px solid rgba(43,58,103,.1);border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:var(--shadow)}
.cmp table{width:100%;border-collapse:collapse}
.cmp th,.cmp td{padding:16px 22px;text-align:left;font-size:15px;border-bottom:1px solid rgba(43,58,103,.08)}
.cmp th{background:var(--g50);font-weight:700;color:var(--dark);font-size:14px;text-transform:uppercase;letter-spacing:.04em}
.cmp td{color:var(--g700)}
.cmp tr:last-child td{border-bottom:0}
.cmp .feature-cell{font-weight:600;color:var(--dark);width:38%}
.cmp .yes{color:var(--ok);font-weight:600}
.cmp .no{color:var(--bad);font-weight:600}
.cmp .partial{color:var(--g700);font-weight:500}
.cmp .ico{display:inline-block;width:16px;height:16px;margin-right:6px;vertical-align:-3px}

/* CTA BLOCK */
.cta-block{margin:56px 0 24px;padding:42px 36px;background:linear-gradient(135deg,var(--pri) 0%,var(--pri-dark) 100%);border-radius:var(--radius);color:var(--white);text-align:center}
.cta-block h3{font-size:26px;font-weight:800;margin-bottom:10px;color:var(--white)}
.cta-block p{font-size:16px;opacity:.9;margin-bottom:22px;color:rgba(255,255,255,.85)}
.cta-block .btn{background:var(--white);color:var(--pri);border:0}
.cta-block .btn:hover{background:var(--g100);color:var(--pri-dark);transform:translateY(-2px)}

/* RELATED */
.related{margin-top:64px;padding-top:36px;border-top:1px solid rgba(43,58,103,.08)}
.related h4{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--g500);margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.related-card{padding:22px 24px;border:1px solid rgba(43,58,103,.1);border-radius:var(--radius-sm);transition:transform .15s,box-shadow .2s,border-color .2s}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(43,58,103,.2)}
.related-card .rt{font-size:12px;font-weight:600;color:var(--acc);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.related-card .rh{font-size:17px;font-weight:700;color:var(--dark)}

/* FOOTER */
footer{padding:54px 32px 28px;background:var(--dark);color:rgba(255,255,255,.62);margin-top:80px}
.foot-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:46px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-brand .logo{color:var(--white);margin-bottom:16px}
.foot-brand p{font-size:14px;line-height:1.6;color:rgba(255,255,255,.55);max-width:340px}
.foot-col h5{font-size:13px;font-weight:700;color:var(--white);text-transform:uppercase;letter-spacing:.08em;margin-bottom:18px}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:14.5px;color:rgba(255,255,255,.55);transition:color .15s}
.foot-col a:hover{color:var(--white)}
.foot-bottom{max-width:1200px;margin:0 auto;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.4)}

/* RESPONSIVE */
@media (max-width:760px){
  .nav-inner{padding:0 20px}
  .nav-links{gap:18px}
  .nav-links a:not(.nav-cta){display:none}
  .page,.page-wide{padding:100px 20px 48px}
  .cmp th,.cmp td{padding:12px 14px;font-size:14px}
  .cmp .feature-cell{width:44%}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}