/* =========================================================
   IdiotTools SEO — global stylesheet
   Palette: slate-50 #F8FAFC / white / indigo-600 #4F46E5 /
            indigo-800 #3730A3 / slate-800 #1E293B / slate-500 #64748B /
            signal-amber #F59E0B
   Display: 'Space Grotesk' | Body: 'Inter' | Data/mono: 'IBM Plex Mono'
   ========================================================= */

:root{
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --border: #E2E8F0;
  --ink: #1E293B;
  --ink-soft: #64748B;
  --indigo: #4F46E5;
  --indigo-dark: #3730A3;
  --indigo-050: #EEF2FF;
  --amber: #F59E0B;
  --amber-dim: #FEF3C7;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(30,41,59,.06), 0 8px 24px -12px rgba(30,41,59,.12);
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --display: 'Space Grotesk', 'Inter', sans-serif;
  --body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--indigo);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);line-height:1.2;margin:0 0 .5em;}
p{margin:0 0 1em;}
:focus-visible{outline:2px solid var(--indigo);outline-offset:2px;}

.container{max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:24px;padding:14px 20px;max-width:1180px;margin:0 auto;}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:700;font-size:1.25rem;color:var(--ink);flex-shrink:0;}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 3px var(--amber-dim);}
.main-nav{display:flex;gap:22px;margin-left:8px;flex-wrap:wrap;}
.main-nav a{color:var(--ink-soft);font-weight:500;font-size:.94rem;}
.main-nav a:hover{color:var(--indigo);text-decoration:none;}

.search-wrap{position:relative;margin-left:auto;width:min(340px,42vw);}
.search-wrap input{
  width:100%;padding:9px 14px 9px 34px;border:1px solid var(--border);border-radius:8px;
  font-family:var(--mono);font-size:.85rem;background:var(--surface);color:var(--ink);
}
.search-wrap input:focus{border-color:var(--indigo);}
.search-icon{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--ink-soft);font-size:.9rem;pointer-events:none;}
.search-results{
  position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--surface);
  border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);
  max-height:340px;overflow-y:auto;display:none;z-index:60;
}
.search-results.active{display:block;}
.search-results a{display:block;padding:10px 14px;color:var(--ink);border-bottom:1px solid var(--border);font-size:.92rem;}
.search-results a:last-child{border-bottom:none;}
.search-results a:hover{background:var(--indigo-050);text-decoration:none;}
.search-results a small{display:block;color:var(--ink-soft);font-family:var(--mono);font-size:.74rem;margin-top:2px;}
.search-empty{padding:14px;color:var(--ink-soft);font-size:.88rem;}

/* ---------- Hero ---------- */
.hero{padding:64px 0 48px;text-align:center;}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:.78rem;
  color:var(--indigo-dark);background:var(--indigo-050);border:1px solid #C7D2FE;
  padding:5px 12px;border-radius:99px;margin-bottom:18px;
}
.hero h1{font-size:clamp(1.9rem,4.4vw,3rem);max-width:780px;margin:0 auto .4em;}
.hero p.lead{max-width:640px;margin:0 auto 28px;color:var(--ink-soft);font-size:1.08rem;}

/* ---------- Tool grid ---------- */
.section-title{display:flex;align-items:baseline;gap:10px;margin:48px 0 20px;}
.section-title h2{font-size:1.5rem;margin:0;}
.section-title span{font-family:var(--mono);color:var(--ink-soft);font-size:.85rem;}

.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-bottom:40px;}
.tool-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 18px 16px;display:flex;flex-direction:column;gap:8px;transition:.15s border-color,.15s transform;
}
.tool-card:hover{border-color:var(--indigo);transform:translateY(-2px);text-decoration:none;}
.tool-card .tag{font-family:var(--mono);font-size:.7rem;color:var(--indigo-dark);background:var(--indigo-050);
  padding:3px 8px;border-radius:5px;align-self:flex-start;}
.tool-card h3{font-size:1.05rem;margin:2px 0 0;color:var(--ink);}
.tool-card p{font-size:.88rem;color:var(--ink-soft);margin:0;}

/* ---------- Terminal-style output panel (signature element) ---------- */
.term{
  background:#0F172A;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #1E293B;
}
.term-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#111C33;border-bottom:1px solid #1E293B;}
.term-bar .light{width:10px;height:10px;border-radius:50%;}
.term-bar .light.r{background:#F87171;}
.term-bar .light.y{background:#FBBF24;}
.term-bar .light.g{background:#34D399;}
.term-bar .path{margin-left:8px;font-family:var(--mono);font-size:.76rem;color:#94A3B8;}
.term-body{padding:18px;font-family:var(--mono);color:#E2E8F0;font-size:.9rem;}
.term-body .status-live{display:inline-flex;align-items:center;gap:6px;color:var(--amber);font-size:.78rem;margin-bottom:10px;}
.term-body .status-live .blip{width:7px;height:7px;border-radius:50%;background:var(--amber);animation:blip 1.4s infinite;}
@keyframes blip{0%,100%{opacity:1;}50%{opacity:.25;}}
@media (prefers-reduced-motion: reduce){.term-body .status-live .blip{animation:none;}}
.term-body pre{white-space:pre-wrap;word-break:break-word;margin:0;font-family:var(--mono);}
.term-body .kv{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px dashed #1E293B;font-size:.86rem;}
.term-body .kv:last-child{border-bottom:none;}
.term-body .kv .k{color:#94A3B8;}
.term-body .kv .v{color:#E2E8F0;font-weight:600;text-align:right;}

/* ---------- Tool page layout ---------- */
.tool-hero{padding:36px 0 8px;}
.tool-hero .crumbs{font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);margin-bottom:10px;}
.tool-hero .crumbs a{color:var(--ink-soft);}
.tool-hero h1{font-size:clamp(1.6rem,3.4vw,2.3rem);margin-bottom:.3em;}
.tool-hero p.sub{color:var(--ink-soft);max-width:680px;}

.tool-app{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin:20px 0 36px;
}
.field{margin-bottom:14px;}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:6px;}
.field .hint{font-size:.78rem;color:var(--ink-soft);margin-top:4px;}
input[type=text], input[type=url], input[type=number], input[type=email], textarea, select{
  width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;
  font-family:var(--body);font-size:.95rem;background:#fff;color:var(--ink);
}
textarea{font-family:var(--mono);font-size:.88rem;min-height:130px;resize:vertical;}
input:focus,textarea:focus,select:focus{border-color:var(--indigo);}
.row{display:flex;gap:14px;flex-wrap:wrap;}
.row > .field{flex:1;min-width:180px;}
.checkline{display:flex;align-items:center;gap:8px;font-size:.88rem;margin:6px 0;}
.checkline input{width:auto;}

.btn{
  display:inline-flex;align-items:center;gap:8px;background:var(--indigo);color:#fff;border:none;
  padding:11px 20px;border-radius:8px;font-weight:600;font-size:.92rem;cursor:pointer;transition:.15s background;
}
.btn:hover{background:var(--indigo-dark);}
.btn.secondary{background:transparent;color:var(--indigo);border:1px solid var(--indigo);}
.btn.secondary:hover{background:var(--indigo-050);}
.btn.small{padding:6px 12px;font-size:.8rem;}

.result-block{margin-top:18px;}
.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:.74rem;font-weight:700;font-family:var(--mono);}
.badge.good{background:#DCFCE7;color:#166534;}
.badge.warn{background:var(--amber-dim);color:#92400E;}
.badge.bad{background:#FEE2E2;color:#991B1B;}

table.data-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.88rem;}
table.data-table th, table.data-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);}
table.data-table th{color:var(--ink-soft);font-family:var(--mono);font-weight:600;font-size:.76rem;text-transform:uppercase;letter-spacing:.03em;}

/* ---------- Content / FAQ ---------- */
.content-block{max-width:820px;margin:0 auto;}
.content-block h2{font-size:1.35rem;margin-top:1.4em;}
.content-block p{color:#334155;}
.faq{margin-top:10px;}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:14px 16px;margin-bottom:10px;}
.faq summary{cursor:pointer;font-weight:600;font-family:var(--display);color:var(--ink);}
.faq p{margin-top:8px;color:var(--ink-soft);}

/* ---------- Footer ---------- */
.site-footer{background:#0F172A;color:#CBD5E1;margin-top:60px;}
.footer-inner{max-width:1180px;margin:0 auto;padding:44px 20px 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}
.footer-inner h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:14px;font-family:var(--mono);}
.footer-inner ul{list-style:none;margin:0;padding:0;}
.footer-inner li{margin-bottom:8px;}
.footer-inner a{color:#94A3B8;font-size:.88rem;}
.footer-inner a:hover{color:#fff;}
.footer-brand{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:700;color:#fff;font-size:1.15rem;margin-bottom:10px;}
.footer-brand .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);}
.footer-bottom{border-top:1px solid #1E293B;padding:16px 20px;text-align:center;font-size:.8rem;color:#64748B;}

@media (max-width:820px){
  .footer-inner{grid-template-columns:1fr 1fr;}
  .main-nav{display:none;}
  .search-wrap{width:auto;flex:1;}
}
@media (max-width:520px){
  .footer-inner{grid-template-columns:1fr;}
}