/* ==========================================================================
   SEOWebChecker — WYSIWYG Text Editor
   Design language: "Fountain & Foolscap" — ink, nib-gold, paper
   ========================================================================== */

:root{
  /* -- Light theme (Paper) -- */
  --paper:#FAF6EF;
  --paper-raised:#FFFFFF;
  --ink:#1C1B1A;
  --ink-soft:#4B4844;
  --ink-faint:#8A8578;
  --hairline:#E4DDCC;
  --nib-blue:#274870;
  --nib-blue-dim:#2f527f;
  --nib-gold:#B8862E;
  --nib-gold-soft:#F0E2C4;
  --ok:#3E7D57;
  --err:#B4402E;
  --shadow: 0 1px 2px rgba(28,27,26,.04), 0 8px 24px rgba(28,27,26,.06);
  --radius: 10px;
  --font-display:'Outfit', sans-serif;
  --font-body:'Inter', sans-serif;
}

html[data-theme="dark"]{
  --paper:#15171C;
  --paper-raised:#1D2026;
  --ink:#ECE8DD;
  --ink-soft:#B9B4A6;
  --ink-faint:#726D62;
  --hairline:#2B2E36;
  --nib-blue:#7FA6D9;
  --nib-blue-dim:#5C82AF;
  --nib-gold:#E0BB6C;
  --nib-gold-soft:#3A3220;
  --ok:#79C79A;
  --err:#E27B6C;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background .25s ease,color .25s ease;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
.container{max-width:1180px;margin:0 auto;padding:0 20px;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 .5em;letter-spacing:-.01em;}
.eyebrow{
  font-family:var(--font-body);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--nib-gold);
  display:inline-flex;align-items:center;gap:8px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--nib-gold);display:inline-block;}
:focus-visible{outline:2px solid var(--nib-blue);outline-offset:2px;}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important;}}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute;left:-999px;top:auto;background:var(--nib-blue);color:#fff;
  padding:10px 16px;border-radius:6px;z-index:9999;
}
.skip-link:focus{left:16px;top:16px;}

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed;left:16px;right:16px;bottom:16px;max-width:640px;margin:0 auto;
  background:var(--paper-raised);border:1px solid var(--hairline);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:18px 20px;z-index:1000;
  display:flex;gap:16px;flex-wrap:wrap;align-items:center;
  transform:translateY(140%);transition:transform .4s ease;
}
.cookie-banner.show{transform:translateY(0);}
.cookie-banner p{margin:0;font-size:.88rem;color:var(--ink-soft);flex:1 1 260px;}
.cookie-banner a{color:var(--nib-blue);text-decoration:underline;}
.cookie-actions{display:flex;gap:10px;}
.btn{
  border:1px solid var(--hairline);background:transparent;color:var(--ink);
  padding:9px 16px;border-radius:7px;font-size:.86rem;font-weight:600;transition:.18s;
}
.btn:hover{border-color:var(--nib-blue);}
.btn-primary{background:var(--nib-blue);border-color:var(--nib-blue);color:#fff;}
.btn-primary:hover{background:var(--nib-blue-dim);}
.btn-gold{background:var(--nib-gold);border-color:var(--nib-gold);color:#1C1B1A;}
.btn-sm{padding:6px 12px;font-size:.78rem;}

/* ---------- Header / Nav ---------- */
header.site-header{
  position:sticky;top:0;z-index:900;background:var(--paper);
  border-bottom:1px solid var(--hairline);
}
.topbar{display:flex;align-items:center;gap:18px;padding:14px 0;}
.logo{font-family:var(--font-display);font-weight:700;font-size:1.18rem;display:flex;align-items:center;gap:8px;}
.logo .dot{width:8px;height:8px;border-radius:50%;background:var(--nib-gold);}
nav.mainnav{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1;}
nav.mainnav > ul{display:flex;list-style:none;margin:0;padding:0;gap:2px;}
nav.mainnav > ul > li{position:relative;}
nav.mainnav > ul > li > a,
nav.mainnav > ul > li > button.nav-toggle{
  display:flex;align-items:center;gap:5px;padding:10px 12px;font-size:.9rem;font-weight:600;
  border:none;background:none;color:var(--ink-soft);border-radius:7px;
}
nav.mainnav > ul > li > a:hover,
nav.mainnav > ul > li > button.nav-toggle:hover,
nav.mainnav > ul > li.open > button.nav-toggle{color:var(--ink);background:var(--paper-raised);}
.chev{width:9px;height:9px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg);transition:.2s;margin-top:-3px;}
li.open .chev{transform:rotate(225deg);margin-top:3px;}

.mega{
  position:absolute;top:100%;left:0;min-width:560px;
  background:var(--paper-raised);border:1px solid var(--hairline);border-radius:12px;
  box-shadow:var(--shadow);padding:20px;display:none;grid-template-columns:1fr 1fr;gap:6px 24px;
  z-index:950;
}
li.open .mega{display:grid;}
.mega a{display:block;padding:8px 10px;border-radius:7px;font-size:.86rem;color:var(--ink-soft);}
.mega a:hover{background:var(--paper);color:var(--nib-blue);}
.mega-title{grid-column:1/-1;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--nib-gold);font-weight:700;margin-bottom:2px;}

.nav-actions{display:flex;align-items:center;gap:10px;}
.theme-toggle{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--hairline);
  background:var(--paper-raised);display:flex;align-items:center;justify-content:center;
}
.theme-toggle svg{width:17px;height:17px;stroke:var(--ink);}
html[data-theme="dark"] .icon-sun{display:none;}
html[data-theme="light"] .icon-moon,
html:not([data-theme]) .icon-moon{display:none;}

.hamburger{display:none;width:38px;height:38px;border-radius:8px;border:1px solid var(--hairline);background:var(--paper-raised);align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.hamburger span{width:17px;height:2px;background:var(--ink);border-radius:2px;}

/* Breadcrumb */
.breadcrumb{padding:10px 0;font-size:.8rem;color:var(--ink-faint);border-bottom:1px solid var(--hairline);}
.breadcrumb a{color:var(--ink-faint);}
.breadcrumb a:hover{color:var(--nib-blue);}
.breadcrumb span{margin:0 6px;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.hero{padding:64px 0 40px;position:relative;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(2rem,4vw,2.9rem);line-height:1.08;margin-top:14px;}
.hero p.lead{font-size:1.06rem;color:var(--ink-soft);max-width:52ch;margin-bottom:22px;}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px;}
.hero-stats{display:flex;gap:22px;flex-wrap:wrap;}
.hero-stats div{font-size:.8rem;color:var(--ink-faint);}
.hero-stats b{display:block;font-family:var(--font-display);font-size:1.3rem;color:var(--ink);}

/* nib illustration signature element */
.nib-scene{position:relative;height:100%;min-height:220px;display:flex;align-items:center;justify-content:center;}
.nib-scene svg{width:100%;max-width:340px;}
.nib-stroke{stroke-dasharray:900;stroke-dashoffset:900;animation:draw 2.4s ease forwards .3s;}
@keyframes draw{to{stroke-dashoffset:0;}}

/* ---------- Reference tool strip ---------- */
.ref-strip{padding:26px 0;border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);background:var(--paper-raised);}
.ref-strip h2{font-size:.95rem;margin-bottom:14px;}
.ref-grid{display:flex;flex-wrap:wrap;gap:8px;}
.ref-grid a{
  font-size:.8rem;padding:7px 12px;border:1px solid var(--hairline);border-radius:20px;color:var(--ink-soft);
}
.ref-grid a:hover{border-color:var(--nib-blue);color:var(--nib-blue);}

/* ---------- Editor Section ---------- */
.editor-section{padding:56px 0 20px;}
.editor-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:18px;}
.editor-shell{
  background:var(--paper-raised);border:1px solid var(--hairline);border-radius:14px;
  box-shadow:var(--shadow);overflow:hidden;
}
.toolbar{
  display:flex;flex-wrap:wrap;gap:2px;padding:8px;border-bottom:1px solid var(--hairline);
  background:var(--paper);position:sticky;top:0;z-index:5;
}
.tb-group{display:flex;gap:2px;padding:0 6px;border-right:1px solid var(--hairline);}
.tb-group:last-child{border-right:none;}
.tb-btn{
  min-width:32px;height:32px;border:1px solid transparent;background:transparent;border-radius:6px;
  color:var(--ink-soft);display:flex;align-items:center;justify-content:center;font-size:.86rem;font-weight:600;
  padding:0 6px;
}
.tb-btn:hover{background:var(--paper-raised);border-color:var(--hairline);color:var(--ink);}
.tb-btn.active{background:var(--nib-gold-soft);color:var(--nib-blue);border-color:var(--nib-gold);}
.tb-select{
  height:32px;border:1px solid var(--hairline);border-radius:6px;background:var(--paper-raised);
  color:var(--ink);font-size:.8rem;padding:0 6px;
}
.color-swatch{width:20px;height:20px;border-radius:4px;border:1px solid var(--hairline);cursor:pointer;padding:0;}

#editor{
  min-height:420px;max-height:70vh;overflow-y:auto;padding:34px 40px;
  font-size:1.02rem;color:var(--ink);outline:none;background:var(--paper-raised);
}
#editor.fullscreen{
  position:fixed;inset:0;z-index:2000;max-height:100vh;height:100vh;padding-top:70px;
}
#editor:empty::before{content:attr(data-placeholder);color:var(--ink-faint);}
#editor table{border-collapse:collapse;width:100%;margin:12px 0;}
#editor table td,#editor table th{border:1px solid var(--hairline);padding:8px;}
#editor blockquote{border-left:3px solid var(--nib-gold);margin:0;padding:6px 0 6px 16px;color:var(--ink-soft);}
#editor pre{background:var(--paper);border:1px solid var(--hairline);border-radius:8px;padding:12px;overflow-x:auto;}
#editor code{background:var(--paper);padding:1px 5px;border-radius:4px;}
#editor a{color:var(--nib-blue);text-decoration:underline;}
#editor hr{border:none;border-top:1px solid var(--hairline);}
#editor img{border-radius:6px;}

.editor-statusbar{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:10px 16px;
  border-top:1px solid var(--hairline);font-size:.78rem;color:var(--ink-faint);background:var(--paper);
}
.statusbar-right{display:flex;gap:14px;}

.field-error{color:var(--err);font-size:.78rem;margin-top:6px;display:none;}
.field-error.show{display:block;}

/* Output / result section */
.result-section{padding:36px 0 60px;display:none;}
.result-section.show{display:block;}
.result-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:14px;}
.result-toolbar{display:flex;gap:8px;flex-wrap:wrap;}
.result-box{
  background:var(--paper-raised);border:1px solid var(--hairline);border-radius:12px;box-shadow:var(--shadow);
  padding:0;overflow:hidden;
}
.result-tabs{display:flex;border-bottom:1px solid var(--hairline);}
.result-tab{padding:12px 18px;font-size:.85rem;font-weight:600;color:var(--ink-faint);border-bottom:2px solid transparent;}
.result-tab.active{color:var(--ink);border-color:var(--nib-gold);}
.result-panel{display:none;padding:20px;max-height:420px;overflow:auto;}
.result-panel.active{display:block;}
.result-panel pre{white-space:pre-wrap;word-break:break-word;font-size:.82rem;margin:0;}
.copy-toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:var(--paper);padding:10px 20px;border-radius:30px;font-size:.85rem;
  opacity:0;pointer-events:none;transition:.25s;z-index:3000;
}
.copy-toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* Share + feedback */
.post-actions{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;padding:22px 0 0;}
.share-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.share-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--hairline);display:flex;align-items:center;justify-content:center;background:var(--paper-raised);}
.share-btn svg{width:16px;height:16px;stroke:var(--ink-soft);}
.share-btn:hover svg{stroke:var(--nib-blue);}

/* ---------- Features ---------- */
.section{padding:64px 0;}
.section-head{max-width:620px;margin:0 auto 40px;text-align:center;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.1rem);}
.section-head p{color:var(--ink-soft);}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.feature-card{
  background:var(--paper-raised);border:1px solid var(--hairline);border-radius:12px;padding:24px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.feature-icon{width:38px;height:38px;border-radius:9px;background:var(--nib-gold-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.feature-icon svg{width:19px;height:19px;stroke:var(--nib-blue);}
.feature-card h3{font-size:1.02rem;}
.feature-card p{color:var(--ink-soft);font-size:.9rem;margin:0;}

/* How it works */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{position:relative;padding:24px 20px 20px;border:1px solid var(--hairline);border-radius:12px;background:var(--paper-raised);}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--font-display);font-size:1.6rem;color:var(--nib-gold);display:block;margin-bottom:10px;
}
.step h3{font-size:.98rem;}
.step p{color:var(--ink-soft);font-size:.87rem;margin:0;}

/* Article */
.article-block{max-width:780px;margin:0 auto;color:var(--ink-soft);}
.article-block h2{color:var(--ink);}
.article-block p{margin-bottom:1.1em;}

/* FAQ */
.faq{max-width:780px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--hairline);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;padding:18px 4px;display:flex;justify-content:space-between;
  align-items:center;font-family:var(--font-display);font-size:1rem;color:var(--ink);
}
.faq-q .plus{width:16px;height:16px;position:relative;flex:none;}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--nib-blue);border-radius:2px;}
.faq-q .plus::before{width:16px;height:2px;top:7px;}
.faq-q .plus::after{width:2px;height:16px;left:7px;transition:.2s;}
.faq-item.open .plus::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:260px;}
.faq-a p{padding:0 4px 18px;color:var(--ink-soft);margin:0;font-size:.92rem;}

/* CTA */
.cta{
  background:linear-gradient(135deg,var(--nib-blue),#1b3455);
  border-radius:18px;padding:52px 40px;text-align:center;color:#fff;
}
html[data-theme="dark"] .cta{background:linear-gradient(135deg,#233A57,#141b28);}
.cta h2{color:#fff;}
.cta p{color:#D9E2EF;max-width:520px;margin:0 auto 22px;}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.cta .btn{border-color:rgba(255,255,255,.35);color:#fff;}
.cta .btn-gold{border-color:var(--nib-gold);}

/* ---------- Footer ---------- */
footer{background:var(--paper-raised);border-top:1px solid var(--hairline);padding:50px 0 24px;}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px;margin-bottom:36px;}
.foot-brand p{color:var(--ink-soft);font-size:.87rem;max-width:32ch;}
.foot-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--nib-gold);margin-bottom:12px;}
.foot-col a{display:block;font-size:.83rem;color:var(--ink-soft);padding:5px 0;}
.foot-col a:hover{color:var(--nib-blue);}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid var(--hairline);padding-top:20px;font-size:.8rem;color:var(--ink-faint);}
.foot-bottom a{color:var(--ink-faint);}
.foot-bottom a:hover{color:var(--nib-blue);}
.trademark-note{font-size:.75rem;color:var(--ink-faint);max-width:900px;margin:14px auto 0;text-align:center;}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;}
  .nib-scene{order:-1;min-height:160px;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:760px){
  nav.mainnav{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--paper);
    padding:16px;overflow-y:auto;z-index:800;}
  nav.mainnav.open{display:block;}
  nav.mainnav > ul{flex-direction:column;width:100%;}
  nav.mainnav > ul > li{width:100%;}
  nav.mainnav > ul > li > a,nav.mainnav > ul > li > button.nav-toggle{width:100%;justify-content:space-between;}
  .mega{position:static;box-shadow:none;min-width:0;width:100%;grid-template-columns:1fr;display:none;}
  li.open .mega{display:grid;}
  .hamburger{display:flex;}
  #editor{padding:20px;}
  .toolbar{position:static;}
  .feature-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:480px){
  .foot-grid{grid-template-columns:1fr;}
  .cta{padding:36px 20px;}
}

/* util */
.hidden{display:none!important;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}