/* Signatures Generator – shared site styles (light + dark themes) */
:root{
  /* Fixed brand colors */
  --ink:#16233D;
  --oxblood:#7A2831;
  --brass:#A8813F;

  /* Semantic tokens – light theme (default) */
  --bg:#EEF1F5;
  --text:#16233D;
  --muted:#5B6472;
  --surface:#FFFFFF;
  --surface-2:#F5F7FA;
  --border:#D7DCE3;
  --field-bg:#EEF1F5;
  --accent:#7A2831;
  --accent-hover:#631f22;
  --accent-soft:#FBEFEF;
  --check:#f3f3f3;
  --header-bg:rgba(238,241,245,.92);
  --shadow:0 10px 30px rgba(22,35,61,.10);
  --prose-text:#33404F;

  --radius:14px;
  --radius-sm:8px;
  --maxw:1180px;
  --font-display:'Fraunces',Georgia,serif;
  --font-body:'Work Sans',-apple-system,Segoe UI,Roboto,sans-serif;
}
html[data-theme="dark"]{
  --bg:#0E1524;
  --text:#E7EBF2;
  --muted:#9AA6B8;
  --surface:#16213A;
  --surface-2:#1B2740;
  --border:rgba(255,255,255,.14);
  --field-bg:#101A2E;
  --accent:#D68A92;
  --accent-hover:#E7A2A9;
  --accent-soft:#2A1E22;
  --check:#222C3C;
  --header-bg:rgba(14,21,36,.9);
  --shadow:0 12px 34px rgba(0,0,0,.45);
  --prose-text:#C7CEDA;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--bg);
  line-height:1.55;
  transition:background .25s ease, color .25s ease;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--font-display);line-height:1.15;margin:0 0 .5em;color:var(--text)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip-link{
  position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;
  padding:12px 18px;border-radius:0 0 8px 0;z-index:100;
}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--brass);outline-offset:2px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:.95rem;
  padding:13px 24px;border-radius:999px;border:2px solid transparent;
  text-decoration:none;cursor:pointer;transition:transform .15s ease, background .15s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--text)}
.btn-ghost:hover{background:var(--text);color:var(--bg)}
.btn-outline-light{background:transparent;color:#fff;border-color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--ink)}
@media (prefers-reduced-motion: no-preference){
  .btn:active{transform:scale(.97)}
}

/* Header */
header.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--header-bg);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;gap:16px}
.logo{
  font-family:var(--font-display);font-weight:700;font-size:1.35rem;
  text-decoration:none;color:var(--text);white-space:nowrap;
}
.logo span{color:var(--accent)}
nav.main-nav{display:none}
nav.main-nav ul{list-style:none;display:flex;gap:28px;margin:0;padding:0}
nav.main-nav a{text-decoration:none;font-weight:500;font-size:.98rem;color:var(--text);position:relative}
nav.main-nav a[aria-current="page"]{color:var(--accent)}
nav.main-nav a:hover{color:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:12px}
.header-cta{display:none}
@media (min-width:900px){
  nav.main-nav{display:block}
  .header-cta{display:inline-flex}
}

/* Theme toggle */
.theme-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--border);background:var(--surface);color:var(--text);
  cursor:pointer;padding:0;transition:background .15s ease, border-color .15s ease;
}
.theme-toggle:hover{border-color:var(--accent)}
.theme-toggle svg{width:20px;height:20px}
.theme-toggle .icon-sun{display:none}
.theme-toggle .icon-moon{display:block}
html[data-theme="dark"] .theme-toggle .icon-sun{display:block}
html[data-theme="dark"] .theme-toggle .icon-moon{display:none}

/* Sections */
section{padding:56px 0}
section > .wrap > h2{font-size:clamp(1.6rem,3.4vw,2.2rem);max-width:36ch}
.section-intro{color:var(--muted);max-width:62ch;margin:0 0 32px;font-size:1.05rem}

/* Home hero */
.hero{padding:48px 0 40px}
.hero-head{max-width:62ch;margin:0 0 26px}
.hero h1{font-size:clamp(2.1rem,5vw,3.1rem);letter-spacing:-.01em}
.ink-stroke{color:var(--accent);display:block;margin:6px 0 18px}
.hero p.lede{font-size:1.1rem;color:var(--muted);max-width:56ch;margin:0}

/* Signature type tabs */
.sig-tabs{
  display:inline-flex;gap:4px;background:var(--surface-2);
  border:1px solid var(--border);border-radius:999px;padding:5px;margin:0 0 22px;flex-wrap:wrap;
}
.sig-tab{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:.95rem;
  padding:10px 20px;border-radius:999px;border:0;background:transparent;color:var(--muted);cursor:pointer;
  transition:background .15s ease, color .15s ease;
}
.sig-tab:hover{color:var(--text)}
.sig-tab[aria-selected="true"]{background:var(--accent);color:#fff}
.sig-tab svg{width:18px;height:18px}
.tab-panel[hidden]{display:none}
@media (prefers-reduced-motion: no-preference){
  .tab-panel:not([hidden]) .studio-grid{animation:rise .5s ease both}
}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* Page hero (interior pages) */
.page-hero{padding:56px 0 20px}
.page-hero .eyebrow{
  font-weight:600;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 12px;
}
.page-hero h1{font-size:clamp(2rem,4.6vw,2.9rem);letter-spacing:-.01em;max-width:20ch}
.page-hero p.lede{font-size:1.12rem;color:var(--muted);max-width:60ch;margin:14px 0 0}

/* Breadcrumbs */
.breadcrumb{padding:20px 0 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;font-size:.86rem;color:var(--muted)}
.breadcrumb a{text-decoration:none;color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--muted);opacity:.6}
.breadcrumb [aria-current="page"]{color:var(--text)}

/* Prose (articles, legal, about) */
.prose{max-width:70ch}
.prose p,.prose li{color:var(--prose-text)}
.prose h2{font-size:clamp(1.4rem,3vw,1.9rem);margin:1.6em 0 .5em}
.prose h3{font-size:1.2rem;margin:1.4em 0 .4em}
.prose p{margin:0 0 1.1em;font-size:1.05rem}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin:0 0 .5em;font-size:1.05rem}
.prose a{color:var(--accent)}
.prose strong{color:var(--text)}
.prose blockquote{
  margin:1.4em 0;padding:14px 20px;border-left:4px solid var(--brass);
  background:var(--surface);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--muted);
}
.prose .callout{
  background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:22px 24px;margin:1.6em 0;
}
.prose .callout p:last-child{margin-bottom:0}

/* Tool cards grid */
.tool-cards{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:700px){ .tool-cards{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1040px){ .tool-cards{grid-template-columns:repeat(3,1fr)} }
.tool-card{
  background:var(--surface);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
  text-decoration:none;color:var(--text);display:flex;flex-direction:column;gap:10px;
  transition:transform .15s ease;
}
@media (prefers-reduced-motion: no-preference){ .tool-card:hover{transform:translateY(-4px)} }
.tool-card .icon{width:40px;height:40px;color:var(--accent)}
.tool-card h2,.tool-card h3{font-size:1.15rem;margin:0;font-family:var(--font-display)}
.tool-card p{color:var(--muted);font-size:.95rem;margin:0;flex-grow:1}
.tool-card .go{font-weight:600;font-size:.9rem;color:var(--accent)}

/* Feature grid */
.feature-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:700px){ .feature-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1040px){ .feature-grid{grid-template-columns:repeat(4,1fr)} }
.feature{padding:4px}
.feature .icon{width:36px;height:36px;color:var(--brass);margin-bottom:12px}
.feature h3{font-size:1.05rem;margin-bottom:6px}
.feature p{color:var(--muted);font-size:.93rem;margin:0}
.feature a{color:var(--accent)}

/* How it works */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:20px;counter-reset:step}
@media (min-width:760px){ .steps{grid-template-columns:repeat(3,1fr)} }
.steps li{
  counter-increment:step;background:var(--surface);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow);
}
.steps li::before{
  content:counter(step);display:flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;
  font-family:var(--font-display);font-weight:700;margin-bottom:14px;
}
.steps h3{font-size:1.15rem;margin-bottom:8px}
.steps p{color:var(--muted);margin:0;font-size:.97rem}

/* FAQ */
.faq-list{max-width:800px}
.faq-item{background:var(--surface);border-radius:var(--radius-sm);margin-bottom:12px;box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-family:var(--font-body);font-size:1rem;margin:0;font-weight:600}
.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--accent);flex-shrink:0}
.faq-item[open] summary::after{content:"\2013"}
.faq-item .answer{padding:0 22px 20px;color:var(--muted);margin:0}
.faq-item .answer a{color:var(--accent)}

/* CTA banner (always dark navy in both themes) */
.cta-banner{
  background:var(--ink);color:#fff;border-radius:var(--radius);
  padding:44px 28px;text-align:center;
}
.cta-banner h2{color:#fff;font-size:clamp(1.5rem,3vw,2rem)}
.cta-banner p{color:#C7CEDA;max-width:52ch;margin:0 auto 24px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Footer (always dark navy in both themes) */
footer.site-footer{background:var(--ink);color:#C7CEDA;padding:52px 0 24px;margin-top:40px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:760px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr} }
.footer-grid h2,.footer-grid h3{color:#fff;font-family:var(--font-body);font-size:.95rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:14px}
.footer-brand p{color:#9AA6B8;font-size:.92rem;max-width:32ch}
.footer-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-grid a{color:#C7CEDA;text-decoration:none;font-size:.93rem}
.footer-grid a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:#8B96A8;font-size:.85rem;
}

/* Signature studio tool (shared by tool pages + homepage tabs) */
.studio-grid{display:grid;gap:26px;align-items:stretch}
@media (min-width:960px){ .studio-grid{grid-template-columns:1.15fr .85fr} }
.preview-card{
  background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:24px;display:flex;flex-direction:column;
}
.preview-card .card-label{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  font-weight:600;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;
}
.preview-card .card-label .live{color:var(--accent)}
.tool-preview{
  flex:1;border:1.5px dashed var(--border);border-radius:var(--radius-sm);
  min-height:230px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
  background:
    linear-gradient(45deg,var(--check) 25%,transparent 25%),
    linear-gradient(-45deg,var(--check) 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,var(--check) 75%),
    linear-gradient(-45deg,transparent 75%,var(--check) 75%);
  background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;
}
.tool-preview canvas{max-width:100%;height:auto;touch-action:none}
.sig-placeholder{color:var(--muted);font-size:.95rem;position:absolute;padding:0 20px;text-align:center}
.tool-actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.tool-actions .btn{padding:12px 22px}
.tool-note{font-size:.88rem;color:var(--muted);margin:16px 0 0}
.tool-note a{color:var(--accent);text-decoration:underline}
.controls-card{
  background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;
}
.tool-field label,.tool-group > span.group-label{display:block;font-weight:600;font-size:.9rem;margin-bottom:8px;color:var(--text)}
.tool-input{
  width:100%;font-family:var(--font-body);font-size:1.05rem;padding:13px 14px;
  border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--field-bg);color:var(--text);
}
.tool-input:focus{border-color:var(--brass)}
.tool-group{margin-top:20px}
.style-row{display:flex;flex-wrap:wrap;gap:8px}
.style-swatch{
  border:1.5px solid var(--border);background:var(--field-bg);border-radius:var(--radius-sm);
  padding:9px 14px;font-size:1.1rem;cursor:pointer;color:var(--text);min-width:70px;line-height:1;
}
.style-swatch[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.slider-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.slider-head .group-label{margin:0}
.slider-head output{font-variant-numeric:tabular-nums;font-size:.9rem;font-weight:600;color:var(--muted)}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:5px;
  background:var(--border);outline:none;margin:6px 0 0;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;
  background:var(--accent);cursor:pointer;border:3px solid var(--surface);box-shadow:0 1px 5px rgba(0,0,0,.3);
}
input[type=range]::-moz-range-thumb{
  width:16px;height:16px;border-radius:50%;background:var(--accent);cursor:pointer;
  border:3px solid var(--surface);box-shadow:0 1px 5px rgba(0,0,0,.3);
}
.color-row{display:flex;gap:10px;flex-wrap:wrap}
.color-row button{
  width:34px;height:34px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;
  box-shadow:0 0 0 1px rgba(128,128,128,.25);
}
.color-row button[aria-pressed="true"]{border-color:var(--brass);box-shadow:0 0 0 2px var(--surface) inset,0 0 0 2px var(--brass)}

/* Split section */
.split{display:grid;gap:32px;align-items:center}
@media (min-width:900px){ .split{grid-template-columns:1fr 1fr} }
.split img{border-radius:var(--radius);box-shadow:var(--shadow)}
.split .copy p{color:var(--muted)}
.split .copy a{color:var(--accent)}

/* Blog list */
.post-list{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:760px){ .post-list{grid-template-columns:repeat(2,1fr)} }
.post-card{
  background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:26px;text-decoration:none;color:var(--text);display:flex;flex-direction:column;gap:10px;
  transition:transform .15s ease;
}
@media (prefers-reduced-motion: no-preference){ .post-card:hover{transform:translateY(-4px)} }
.post-card .tag{font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.post-card h2,.post-card h3{font-size:1.2rem;margin:0}
.post-card p{color:var(--muted);font-size:.95rem;margin:0;flex-grow:1}
.post-card .go{font-weight:600;font-size:.9rem;color:var(--accent)}
.post-meta{color:var(--muted);font-size:.86rem;margin:0 0 26px}