/* ==========================================================================
   IQ PDF Manager — shared stylesheet
   Editorial refresh (2026-09). All selectors used by the tool scripts in
   /assets/tools/*.js are preserved; only their appearance changed.
   ========================================================================== */
:root{
  /* surfaces */
  --paper:#FBFCFD;
  --paper-dim:#F2F5F8;
  --white:#FFFFFF;
  /* text */
  --ink:#14202B;
  --ink-soft:#46525E;
  --ink-faint:#5F6B77;
  /* lines */
  --line:#E1E7EC;
  --line-strong:#C7D1DA;
  /* brand — derived from the IQ PDF Manager logo blue (#328DBD) */
  --brand:#328DBD;
  --accent:#1C6690;
  --accent-dark:#134B6B;
  --accent-tint:#E8F1F7;
  /* supporting */
  --amber:#C0741A;
  --amber-tint:#FBF1E3;
  --red:#B3432E;
  --red-tint:#F8E8E4;
  --green:#2F6F4E;
  --focus:#B86A10;

  --radius:6px;
  --radius-lg:10px;
  --shadow-sm:0 1px 2px rgba(20,32,43,0.05);
  --shadow-md:0 6px 20px rgba(20,32,43,0.07);

  /* Typography — swap these three variables to change the whole site's type */
  --font-display:"Source Serif 4", Georgia, "Times New Roman", serif;
  --font-body:"Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --maxw:1160px;
  --readw:720px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%;}
a{color:var(--accent);text-underline-offset:2px;}
a:hover{color:var(--accent-dark);}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.2;
  margin:0 0 .5em;
  letter-spacing:-0.012em;
  color:var(--ink);
}
h1{font-size:clamp(2rem,4.2vw,3rem);font-weight:700;}
h2{font-size:clamp(1.5rem,2.6vw,2rem);}
h3{font-size:1.2rem;}
h4{font-size:1.05rem;}
p{margin:0 0 1em;color:var(--ink-soft);}
strong{color:var(--ink);font-weight:600;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
@media (max-width:520px){.container{padding:0 16px;}}
.mono{font-family:var(--font-mono);}
code,kbd{font-family:var(--font-mono);font-size:.88em;background:var(--paper-dim);border:1px solid var(--line);border-radius:4px;padding:1px 5px;color:var(--ink);white-space:nowrap;}

/* focus states */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,[tabindex]:focus-visible{
  outline:3px solid var(--focus);
  outline-offset:2px;
  border-radius:4px;
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
}

/* ---------- header ---------- */
.site-header{
  border-bottom:1px solid var(--line);
  background:var(--white);
  /* no backdrop-filter: it would become the containing block for the fixed mobile menu */
  position:sticky;top:0;z-index:50;
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-logo{width:38px;height:auto;flex-shrink:0;}
.brand-mark{width:30px;height:34px;flex-shrink:0;}
.brand-word{font-family:var(--font-display);font-weight:700;font-size:1.28rem;letter-spacing:-0.015em;white-space:nowrap;}
.brand-word .iq{color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:26px;}
.main-nav a{text-decoration:none;font-size:.97rem;color:var(--ink-soft);font-weight:600;padding:6px 0;border-bottom:2px solid transparent;}
.main-nav a:hover{color:var(--accent-dark);}
.main-nav a[aria-current="page"]{color:var(--accent-dark);border-bottom-color:var(--brand);}
.nav-toggle{display:none;background:none;border:1px solid var(--line-strong);border-radius:6px;padding:12px 10px;cursor:pointer;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:20px;height:2px;background:var(--ink);position:relative;transition:.2s;}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}
.nav-tools-mobile{display:none;}
@media (max-width:860px){
  .main-nav{position:fixed;inset:68px 0 0 0;background:var(--white);flex-direction:column;align-items:stretch;padding:20px 20px 40px;gap:0;transform:translateX(100%);visibility:hidden;transition:transform .25s ease, visibility .25s;overflow-y:auto;}
  .main-nav.open{transform:translateX(0);visibility:visible;}
  .main-nav a{font-size:1.08rem;padding:13px 4px;border-bottom:1px solid var(--line);}
  .main-nav a[aria-current="page"]{border-bottom-color:var(--line);}
  .nav-toggle{display:block;}
  .nav-tools-mobile{display:block;margin-top:18px;}
  .nav-tools-mobile p{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 6px;}
  .nav-tools-mobile a{display:block;font-size:1rem;font-weight:500;padding:10px 4px;}
  .main-nav > a{display:block;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:1rem;
  padding:12px 22px;border-radius:var(--radius);border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:background .15s ease, border-color .15s ease, color .15s ease;
  min-height:48px;line-height:1.2;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);color:#fff;}
.btn-secondary{background:var(--white);color:var(--ink);border-color:var(--line-strong);}
.btn-secondary:hover{border-color:var(--ink);color:var(--ink);}
.btn-ghost{background:var(--paper-dim);color:var(--ink);}
.btn-ghost:hover{background:var(--line);}
.btn:disabled{opacity:.45;cursor:not-allowed;}
.btn-block{width:100%;}
.btn-sm{padding:8px 14px;min-height:36px;font-size:.88rem;}

/* ---------- eyebrow / breadcrumbs ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.07em;text-transform:uppercase;font-weight:500;
  color:var(--accent-dark);margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);display:inline-block;}
.breadcrumb{padding:18px 0 0;font-size:.88rem;}
.breadcrumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px;color:var(--ink-faint);}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:var(--line-strong);}
.breadcrumb a{color:var(--ink-soft);text-decoration:none;}
.breadcrumb a:hover{color:var(--accent-dark);text-decoration:underline;}
.breadcrumb [aria-current]{color:var(--ink-faint);}

/* ---------- hero ---------- */
.hero{padding:64px 0 56px;border-bottom:1px solid var(--line);background:var(--white);}
.hero .container{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
@media (max-width:900px){.hero .container{grid-template-columns:1fr;gap:36px;}.hero{padding:44px 0 40px;}}
.hero .lede{font-size:1.15rem;max-width:560px;}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}
.hero-notes{display:flex;flex-wrap:wrap;gap:8px 22px;margin:22px 0 0;padding:0;list-style:none;font-size:.92rem;color:var(--ink-soft);}
.hero-notes li{display:flex;align-items:center;gap:8px;}
.hero-notes li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.hero-visual{display:flex;align-items:center;justify-content:center;}

/* quick picker card in hero */
.picker{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;width:100%;}
.picker h2{font-size:1.15rem;margin-bottom:12px;}
.picker ul{list-style:none;margin:0;padding:0;}
.picker li{border-top:1px solid var(--line);}
.picker a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 2px;text-decoration:none;color:var(--ink);font-size:.97rem;}
.picker a span{color:var(--ink-soft);}
.picker a strong{color:var(--accent);font-weight:600;white-space:nowrap;}
.picker a:hover strong{color:var(--accent-dark);text-decoration:underline;}

/* legacy paper-stack visual (kept for compatibility) */
.paper-stack{width:100%;max-width:340px;position:relative;}
.paper-stack svg{width:100%;height:auto;}

/* ---------- sections ---------- */
section{padding:64px 0;}
@media (max-width:640px){section{padding:44px 0;}}
.section-tight{padding:40px 0;}
.section-head{max-width:680px;margin-bottom:32px;}
.section-head p{font-size:1.05rem;}
.bg-dim{background:var(--paper-dim);}
.bg-white{background:var(--white);}
.divider{border:none;border-top:1px solid var(--line);margin:0;}

/* ---------- tool grid / cards ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
@media (max-width:960px){.tool-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.tool-grid{grid-template-columns:1fr;}}
.tool-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;text-decoration:none;color:var(--ink);
  transition:box-shadow .15s ease, border-color .15s ease;
}
.tool-card:hover{box-shadow:var(--shadow-md);border-color:var(--line-strong);color:var(--ink);}
.tool-icon{width:42px;height:42px;}
.tool-card h3{margin-bottom:0;font-size:1.15rem;}
.tool-card p{font-size:.94rem;margin-bottom:0;}
.tool-card .go{margin-top:auto;font-size:.9rem;font-weight:600;color:var(--accent);}

/* ---------- generic info cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.card-grid.two{grid-template-columns:repeat(2,1fr);}
@media (max-width:900px){.card-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:620px){.card-grid,.card-grid.two{grid-template-columns:1fr;}}
.info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;}
.info-card h3{font-size:1.1rem;margin-bottom:8px;}
.info-card p{font-size:.96rem;margin-bottom:.6em;}
.info-card p:last-child{margin-bottom:0;}
.info-card .kicker{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-dark);margin-bottom:8px;display:block;}

/* ---------- decision list (choose a tool) ---------- */
.decision-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);}
.decision-list li{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:14px 4px;border-bottom:1px solid var(--line);}
.decision-list .need{color:var(--ink);}
.decision-list .need small{display:block;color:var(--ink-faint);font-size:.88rem;margin-top:2px;}
.decision-list a{font-weight:600;text-decoration:none;white-space:nowrap;}
.decision-list a:hover{text-decoration:underline;}
@media (max-width:560px){.decision-list li{grid-template-columns:1fr;gap:4px;}}

/* ---------- problem → solution list ---------- */
.problem-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media (max-width:760px){.problem-list{grid-template-columns:1fr;}}
.problem{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px 22px;}
.problem h3{font-size:1.05rem;margin-bottom:6px;}
.problem p{font-size:.95rem;margin-bottom:.6em;}
.problem .fix{font-size:.92rem;font-weight:600;margin:0;}

/* ---------- how it works ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
@media (max-width:820px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.steps{grid-template-columns:1fr;}}
.step{padding-top:6px;}
.step p{font-size:.96rem;}
.step-num{
  font-family:var(--font-mono);font-size:.85rem;color:var(--accent-dark);
  border:1px solid var(--line-strong);width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;background:var(--white);
}

/* ---------- callouts ---------- */
.callout{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--accent-tint);border:1px solid #cfe0ec;border-radius:var(--radius-lg);
  padding:16px 18px;margin:20px 0;
}
.callout svg{flex-shrink:0;width:22px;height:22px;margin-top:2px;color:var(--accent-dark);}
.callout p{margin:0;color:var(--accent-dark);font-size:.96rem;}
.callout.warn{background:var(--amber-tint);border-color:#eed3ab;}
.callout.warn p,.callout.warn svg{color:#7a4c0d;}
.callout.error{background:var(--red-tint);border-color:#e6bdb0;}
.callout.error p,.callout.error svg{color:#9a3522;}

/* ---------- FAQ ---------- */
.faq-list{max-width:var(--readw);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:18px 4px;font-family:var(--font-body);font-weight:600;font-size:1.02rem;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;line-height:1.4;
}
.faq-q:hover{color:var(--accent-dark);}
.faq-q .plus{font-family:var(--font-mono);font-size:1.2rem;color:var(--accent);transition:transform .2s;flex-shrink:0;}
.faq-q[aria-expanded="true"] .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a p{padding:0 4px 18px;margin:0;}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--white);padding:52px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:28px;margin-bottom:32px;}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr 1fr;}}
@media (max-width:600px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid .footer-about{grid-column:span 1;}
@media (max-width:900px){.footer-grid .footer-about{grid-column:1/-1;}}
.footer-grid h2.footer-h,.footer-grid h4{font-family:var(--font-body);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-faint);margin-bottom:14px;}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.footer-grid a{text-decoration:none;color:var(--ink-soft);font-size:.94rem;}
.footer-grid a:hover{color:var(--accent-dark);text-decoration:underline;}
.footer-about p{font-size:.94rem;max-width:300px;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-top:20px;border-top:1px solid var(--line);font-size:.87rem;color:var(--ink-faint);}

/* ad slots: reserved containers; hidden while empty so no placeholder boxes show */
.ad-slot{margin:32px auto;max-width:var(--maxw);text-align:center;}
.ad-slot:empty{display:none;}

/* ---------- tool page layout ---------- */
.tool-header{padding:26px 0 26px;border-bottom:1px solid var(--line);background:var(--white);}
.tool-header .eyebrow{margin-bottom:12px;}
.tool-header h1{font-size:clamp(1.9rem,3.8vw,2.7rem);}
.tool-header p.lede{max-width:700px;font-size:1.1rem;margin-bottom:0;}
.tool-app{padding:36px 0 44px;background:var(--paper-dim);border-bottom:1px solid var(--line);}
.tool-app-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:32px;align-items:flex-start;}
@media (max-width:900px){.tool-app-grid{grid-template-columns:1fr;}}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);}
@media (max-width:520px){.panel{padding:18px;}}
.panel + .panel{margin-top:18px;}
.panel h3,.panel .panel-title{margin-bottom:12px;}
.panel .panel-title{font-size:1.2rem;}
.panel .panel-title.small{font-size:1.05rem;margin-bottom:8px;}

.dropzone{
  position:relative;
  border:2px dashed var(--line-strong);border-radius:var(--radius-lg);
  padding:40px 20px;text-align:center;cursor:pointer;transition:border-color .15s, background .15s;
  background:var(--paper);
}
.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:var(--accent-tint);}
.dropzone svg{width:40px;height:40px;margin:0 auto 12px;color:var(--accent);}
.dropzone .dz-title{font-weight:600;margin-bottom:4px;}
.dropzone .dz-sub{font-size:.82rem;color:var(--ink-faint);overflow-wrap:anywhere;}
.dropzone input[type="file"]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}

.file-list{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;}
.file-row{
  display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:var(--radius);
  padding:10px 12px;background:var(--paper);
}
.file-row .fi-icon{width:26px;height:26px;flex-shrink:0;color:var(--accent);}
.file-row .fi-meta{flex:1;min-width:0;}
.file-row .fi-name{font-size:.92rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.file-row .fi-size{font-size:.78rem;color:var(--ink-faint);font-family:var(--font-mono);}
.file-row .fi-actions{display:flex;gap:6px;flex-shrink:0;}
.icon-btn{
  background:var(--white);border:1px solid var(--line-strong);border-radius:6px;width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink-soft);
}
.icon-btn:hover{background:var(--paper-dim);color:var(--ink);}
.icon-btn svg{width:16px;height:16px;}

.field{margin-bottom:16px;}
.field label{display:block;font-size:.92rem;font-weight:600;margin-bottom:6px;}
.field .hint,.hint{font-size:.84rem;color:var(--ink-faint);margin-top:6px;}
.field input[type="text"],.field input[type="number"],.field select{
  width:100%;padding:11px 12px;border:1px solid var(--line-strong);border-radius:6px;
  font-family:var(--font-body);font-size:1rem;background:var(--white);color:var(--ink);min-height:46px;
}
/* ---------- split-mode selector cards ---------- */
.split-mode-group{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media (max-width:520px){.split-mode-group{grid-template-columns:1fr;}}
.split-mode-card{
  position:relative;display:flex;flex-direction:column;gap:6px;
  border:1.5px solid var(--line-strong);border-radius:var(--radius);
  padding:14px 16px 14px 40px;cursor:pointer;background:var(--white);
  transition:border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.field .split-mode-card{display:flex;font-weight:400;margin-bottom:0;}
.split-mode-card input[type="radio"]{
  position:absolute;left:14px;top:16px;margin:0;accent-color:var(--accent);width:16px;height:16px;
}
.split-mode-card .split-mode-title{font-weight:600;font-size:.97rem;color:var(--ink);}
.split-mode-card .split-mode-desc{font-size:.85rem;color:var(--ink-soft);line-height:1.45;}
.split-mode-card:hover{border-color:var(--ink-faint);}
.split-mode-card:has(input:checked){
  border-color:var(--accent);background:var(--accent-tint);box-shadow:0 0 0 1px var(--accent) inset;
}
.split-mode-card.active{
  border-color:var(--accent);background:var(--accent-tint);box-shadow:0 0 0 1px var(--accent) inset;
}
.split-mode-card:has(input:focus-visible){outline:3px solid var(--focus);outline-offset:2px;}

.radio-row{display:flex;gap:16px;flex-wrap:wrap;}
.radio-opt{display:flex;align-items:center;gap:8px;font-size:.95rem;min-height:36px;}
.field .radio-opt{display:flex;font-weight:400;margin-bottom:0;}
.radio-opt input{accent-color:var(--accent);width:17px;height:17px;}
.chip-group{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  border:1px solid var(--line-strong);background:var(--white);border-radius:6px;color:var(--ink);
  padding:9px 14px;font-size:.86rem;cursor:pointer;font-family:var(--font-mono);min-height:40px;
}
.chip:hover{border-color:var(--ink-faint);}
.chip.active{background:var(--accent);color:#fff;border-color:var(--accent);}

.page-picker{display:flex;flex-wrap:wrap;gap:8px;max-height:240px;overflow-y:auto;padding:8px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-dim);}
.page-chip{
  width:46px;height:46px;border-radius:6px;border:1px solid var(--line-strong);background:var(--white);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:.84rem;
  cursor:pointer;position:relative;
}
.page-chip:hover{border-color:var(--accent);}
.page-chip.selected{background:var(--accent);color:#fff;border-color:var(--accent);}
.page-chip.selected.delete{background:var(--red);border-color:var(--red);text-decoration:line-through;}

.progress-wrap{margin-top:16px;}
.progress-bar{height:8px;background:var(--line);border-radius:999px;overflow:hidden;}
.progress-bar > span{display:block;height:100%;background:var(--accent);width:0%;transition:width .2s ease;}
.progress-label{font-size:.82rem;color:var(--ink-faint);margin-top:6px;font-family:var(--font-mono);}

#result:not(:empty){margin-top:18px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);}
.result-box{text-align:center;padding:26px 18px;}
.result-box svg{width:46px;height:46px;margin:0 auto 12px;color:var(--green);}
.result-stats{display:flex;justify-content:center;gap:26px;margin:14px 0 20px;flex-wrap:wrap;}
.result-stat{text-align:center;}
.result-stat .num{font-family:var(--font-mono);font-size:1.15rem;font-weight:500;color:var(--ink);}
.result-stat .lab{font-size:.75rem;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.05em;}
.download-list{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:8px;text-align:left;max-height:320px;overflow-y:auto;}
.download-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid var(--line);border-radius:6px;padding:9px 12px;font-size:.9rem;overflow-wrap:anywhere;}

.sidebar-note h4{font-size:1rem;margin-bottom:8px;}
.sidebar-note ul{padding-left:18px;margin:0;color:var(--ink-soft);font-size:.93rem;}
.sidebar-note li{margin-bottom:6px;}

/* related tools */
.related-list{display:flex;flex-direction:column;gap:8px;}
.related-list a{
  display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);
  padding:10px 12px;border:1px solid var(--line);border-radius:6px;font-size:.94rem;font-weight:600;
}
.related-list a:hover{border-color:var(--accent);color:var(--accent-dark);}
.related-list svg{width:22px;height:22px;flex-shrink:0;}
.related-list .why{display:block;font-weight:400;font-size:.84rem;color:var(--ink-faint);}

/* ---------- article layout (tool pages + guides) ---------- */
.article-wrap{padding:52px 0 24px;}
.article-grid{display:grid;grid-template-columns:minmax(0,var(--readw)) minmax(0,260px);gap:64px;align-items:start;}
@media (max-width:1000px){.article-grid{grid-template-columns:minmax(0,1fr);gap:0;}.toc{display:none;}}
.toc{position:sticky;top:92px;font-size:.92rem;border-left:2px solid var(--line);padding-left:18px;}
.toc h2{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-faint);font-weight:500;margin-bottom:10px;}
.toc ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;}
.toc a{color:var(--ink-soft);text-decoration:none;}
.toc a:hover{color:var(--accent-dark);text-decoration:underline;}

.prose{max-width:var(--readw);}
.prose > h2{margin-top:2.1em;padding-top:1.4em;border-top:1px solid var(--line);scroll-margin-top:90px;}
.prose > h2:first-child{margin-top:0;padding-top:0;border-top:none;}
.prose h3{margin-top:1.6em;scroll-margin-top:90px;}
.prose p,.prose li{font-size:1.04rem;line-height:1.7;}
.prose ul,.prose ol{color:var(--ink-soft);padding-left:1.3em;margin:0 0 1.1em;}
.prose li{margin-bottom:.45em;}
.prose li::marker{color:var(--accent);}
.prose ol.howto{counter-reset:howto;list-style:none;padding-left:0;}
.prose ol.howto > li{counter-increment:howto;position:relative;padding-left:44px;margin-bottom:14px;}
.prose ol.howto > li::before{content:counter(howto);position:absolute;left:0;top:1px;width:28px;height:28px;border-radius:50%;border:1px solid var(--line-strong);background:var(--white);font-family:var(--font-mono);font-size:.82rem;color:var(--accent-dark);display:flex;align-items:center;justify-content:center;}
.prose .callout{margin:22px 0;}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:.96rem;}
.prose th,.prose td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line);color:var(--ink-soft);}
.prose th{color:var(--ink);font-weight:600;background:var(--paper-dim);}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.2em;}
.table-scroll table{margin:0;min-width:520px;}
.prose dl.issues{margin:0 0 1.2em;}
.prose dl.issues dt{font-weight:600;color:var(--ink);margin-top:1em;}
.prose dl.issues dd{margin:.25em 0 0;color:var(--ink-soft);font-size:1.02rem;line-height:1.65;}
.prose .faq-list{margin-top:8px;}
.legal-updated{font-family:var(--font-mono);font-size:.82rem;color:var(--ink-faint);margin-bottom:24px;}
.article-meta{font-size:.9rem;color:var(--ink-faint);margin-top:10px;}

.related-block{margin-top:2.2em;padding-top:1.4em;border-top:1px solid var(--line);}
.related-block h2{font-size:1.35rem;}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
@media (max-width:720px){.mini-grid{grid-template-columns:1fr;}}
.mini-card{display:block;border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px;background:var(--white);text-decoration:none;color:var(--ink);}
.mini-card:hover{border-color:var(--accent);color:var(--ink);}
.mini-card strong{display:block;margin-bottom:4px;font-size:1rem;color:var(--accent-dark);}
.mini-card span{font-size:.9rem;color:var(--ink-soft);line-height:1.5;display:block;}
.guide-callout{display:flex;gap:16px;align-items:flex-start;border:1px solid var(--line);border-left:0;background:var(--white);border-radius:var(--radius-lg);padding:18px 20px;margin-top:14px;}
.guide-callout .kicker{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-faint);display:block;margin-bottom:4px;}
.guide-callout a{font-weight:600;font-size:1.05rem;}
.guide-callout p{margin:.3em 0 0;font-size:.95rem;}

/* guides hub */
.guide-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media (max-width:720px){.guide-list{grid-template-columns:1fr;}}
.guide-card{display:flex;flex-direction:column;gap:8px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;text-decoration:none;color:var(--ink);}
.guide-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-md);color:var(--ink);}
.guide-card .kicker{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--accent-dark);}
.guide-card h3{margin:0;font-size:1.15rem;}
.guide-card p{margin:0;font-size:.95rem;}
.guide-card .go{margin-top:auto;padding-top:6px;font-size:.9rem;font-weight:600;color:var(--accent);}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

.cta-band{background:var(--accent-dark);border-radius:var(--radius-lg);padding:44px 32px;text-align:center;color:#fff;}
.cta-band h2{color:#fff;}
.cta-band p{color:#d6e5ef;}
.cta-band .btn-primary{background:#fff;color:var(--accent-dark);}
.cta-band .btn-primary:hover{background:var(--accent-tint);color:var(--accent-dark);}
.cta-band .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn-secondary:hover{border-color:#fff;color:#fff;}
.cta-band .hero-ctas{justify-content:center;margin-top:18px;}

.skip-link{
  position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;border-radius:0 0 6px 0;z-index:100;
}
.skip-link:focus{left:0;color:#fff;}

@media print{
  .site-header,.site-footer,.tool-app,.toc,.skip-link,.ad-slot{display:none!important;}
  body{background:#fff;}
}