/* ===========================================================
   SeoToolz — Design tokens: "diagnostic console" identity
   =========================================================== */
:root{
  --ink:#0B1220;
  --ink-soft:#141F35;
  --paper:#F6F8FA;
  --panel:#FFFFFF;
  --accent:#1FBFAE;
  --accent-dark:#0E9385;
  --accent-soft:#E4FBF7;
  --warn:#F5A524;
  --good:#22C55E;
  --bad:#EF4444;
  --text:#111827;
  --muted:#5B6472;
  --border:#E3E7EC;
  --mono-bg:#0B1220;
  --mono-line:#1B2740;
  --radius:10px;
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrains Mono','SFMono-Regular',Consolas,monospace;
  --shadow-sm:0 1px 2px rgba(11,18,32,.06);
  --shadow-md:0 8px 24px rgba(11,18,32,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.15;margin:0 0 .5em;color:var(--ink)}
p{margin:0 0 1em}
code,pre,.mono{font-family:var(--font-mono)}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms !important;transition-duration:.001ms !important}}

/* ---------- Skip link ---------- */
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:999;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ---------- Top utility strip (ad slot) ---------- */
.ad-slot{
  display:flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px dashed var(--border);
  color:var(--muted);font-size:12px;letter-spacing:.04em;text-transform:uppercase;
  border-radius:8px;overflow:hidden;min-height:90px;
}
.ad-slot span{padding:8px}
.ad-slot--leaderboard{max-width:970px;margin:14px auto;min-height:90px}
.ad-slot--sidebar{min-height:60px;width:100%;overflow-x:auto}
.ad-slot--incontent{min-height:100px;margin:28px 0}
.ad-slot--footer{min-height:90px;margin:20px auto;max-width:970px}

/* ---------- Header ---------- */
.site-header{background:var(--ink);color:#fff;position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:700;font-size:20px;color:#fff}
.brand:hover{text-decoration:none}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(31,191,174,.2)}
.nav-links{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.nav-links a{color:#C7D0DE;font-size:14px;font-weight:500}
.nav-links a:hover{color:#fff;text-decoration:none}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer}
@media (max-width:820px){
  .nav-links{position:absolute;left:0;right:0;top:60px;background:var(--ink-soft);flex-direction:column;padding:10px 20px;display:none;gap:2px}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-toggle{display:block}
}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--ink) 0%,var(--ink-soft) 100%);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
@media (max-width:900px){.hero .container{grid-template-columns:1fr}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;color:var(--accent);background:rgba(31,191,174,.12);border:1px solid rgba(31,191,174,.35);padding:6px 12px;border-radius:20px;margin-bottom:18px}
.hero h1{font-size:clamp(28px,4vw,44px);color:#fff;margin-bottom:16px}
.hero p.lead{color:#B9C2D0;font-size:17px;max-width:52ch}
.hero-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}

/* Terminal / scanner signature element */
.scan-console{
  background:var(--mono-bg);border:1px solid var(--mono-line);border-radius:12px;
  font-family:var(--font-mono);font-size:13px;color:#CFE8E4;box-shadow:var(--shadow-md);
  overflow:hidden;
}
.scan-console .bar{display:flex;gap:6px;padding:10px 12px;border-bottom:1px solid var(--mono-line)}
.scan-console .bar i{width:10px;height:10px;border-radius:50%;background:#3A4A66;display:inline-block}
.scan-console .body{padding:16px}
.scan-console .line{display:flex;gap:10px;align-items:flex-start;margin-bottom:9px;opacity:0;animation:fadeUp .5s ease forwards}
.scan-console .line:nth-child(1){animation-delay:.1s}
.scan-console .line:nth-child(2){animation-delay:.4s}
.scan-console .line:nth-child(3){animation-delay:.7s}
.scan-console .line:nth-child(4){animation-delay:1s}
.scan-console .line:nth-child(5){animation-delay:1.3s}
.scan-console .ok{color:var(--good)}
.scan-console .warn{color:var(--warn)}
.scan-console .muted{color:#7C8AA3}
@keyframes fadeUp{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:14px;
  padding:11px 20px;border-radius:8px;border:1px solid transparent;cursor:pointer;
  transition:transform .12s ease, box-shadow .12s ease, background .15s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-secondary{background:#fff;color:var(--ink);border-color:var(--border)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent-dark)}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn-sm{padding:7px 12px;font-size:12.5px;border-radius:6px}

/* ---------- Sections ---------- */
.section{padding:56px 0}
.section-head{max-width:640px;margin:0 auto 34px;text-align:center}
.section-head h2{font-size:clamp(22px,3vw,30px)}
.section-head p{color:var(--muted)}

/* ---------- Tool grid (homepage) ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:18px}
.tool-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;transition:border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.tool-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.tool-card .icon{width:42px;height:42px;border-radius:9px;background:var(--accent-soft);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.tool-card h3{font-size:17px;margin-bottom:6px}
.tool-card p{color:var(--muted);font-size:14px;margin-bottom:14px}
.tool-card a.card-link{font-family:var(--font-mono);font-size:12.5px;font-weight:600;color:var(--accent-dark)}

/* ---------- Tool page layout ---------- */
.tool-hero{background:var(--ink);color:#fff;padding:38px 0}
.tool-hero .container{max-width:1120px}
.crumbs{font-size:12.5px;color:#93A0B4;margin-bottom:12px;font-family:var(--font-mono)}
.crumbs a{color:#93A0B4}
.tool-hero h1{color:#fff;font-size:clamp(24px,3vw,32px)}
.tool-hero p{color:#B9C2D0;max-width:70ch}

.tool-layout{display:grid;grid-template-columns:1fr 504px;gap:28px;max-width:1120px;margin:0 auto;padding:36px 20px}
@media (max-width:960px){.tool-layout{grid-template-columns:1fr;padding:28px 16px}}

.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.panel h2{font-size:18px;margin-bottom:14px}

.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field .hint{font-size:12px;color:var(--muted);margin-top:5px}
input[type=text],input[type=url],input[type=number],textarea,select{
  width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:8px;
  font-family:var(--font-body);font-size:14px;color:var(--text);background:#fff;
}
input:focus,textarea:focus,select:focus{border-color:var(--accent)}
textarea{resize:vertical;min-height:110px;font-family:var(--font-mono);font-size:13px}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:520px){.row-2{grid-template-columns:1fr}}
.checkbox-row{display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:10px}

/* Console output box (signature element reused across all tools) */
.console-out{
  background:var(--mono-bg);border:1px solid var(--mono-line);border-radius:10px;
  margin-top:18px;overflow:hidden;
}
.console-out .bar{display:flex;align-items:center;justify-content:space-between;padding:9px 13px;border-bottom:1px solid var(--mono-line)}
.console-out .bar .dots{display:flex;gap:6px}
.console-out .bar .dots i{width:9px;height:9px;border-radius:50%;background:#3A4A66;display:inline-block}
.console-out .bar .tag{font-family:var(--font-mono);font-size:11px;color:#7C8AA3;text-transform:uppercase;letter-spacing:.06em}
.console-out pre{
  margin:0;padding:16px;color:#DDEDEA;font-family:var(--font-mono);font-size:13px;
  white-space:pre-wrap;word-break:break-word;max-height:420px;overflow:auto;
}
.console-out .empty{color:#7C8AA3;padding:16px;font-family:var(--font-mono);font-size:13px}
.out-actions{display:flex;gap:8px;padding:10px 13px;border-top:1px solid var(--mono-line)}

/* Score / status chips used by checker tools */
.status-row{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:6px 11px;border-radius:20px;font-family:var(--font-mono)}
.chip.ok{background:rgba(34,197,94,.12);color:#16803C}
.chip.warn{background:rgba(245,165,36,.14);color:#95610A}
.chip.bad{background:rgba(239,68,68,.12);color:#B91C1C}
.audit-list{list-style:none;margin:0;padding:0}
.audit-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}
.audit-list li:last-child{border-bottom:0}
.audit-list .mark{flex:0 0 20px;font-weight:700}
.audit-list .mark.ok{color:var(--good)}
.audit-list .mark.warn{color:var(--warn)}
.audit-list .mark.bad{color:var(--bad)}

/* Sidebar helper card */
.side-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:18px}
.side-card h3{font-size:14px;margin-bottom:8px}
.side-card ul{margin:0;padding-left:18px;color:var(--muted);font-size:13.5px}
.side-card li{margin-bottom:6px}

/* Related tools */
.related-tools{list-style:none;margin:0;padding:0}
.related-tools li{border-bottom:1px solid var(--border)}
.related-tools a{display:block;padding:10px 0;font-size:14px;font-weight:600;color:var(--ink)}
.related-tools a:hover{color:var(--accent-dark);text-decoration:none}
.related-tools li:last-child{border-bottom:0}

/* Article / SEO content blocks below tools */
.content-block{max-width:980px;margin:0 auto;padding:0 20px 50px}
.content-block h2{font-size:22px;margin-top:36px}
.content-block h3{font-size:17px;margin-top:22px}
.content-block p{color:#374151}
.faq-item{border-top:1px solid var(--border);padding:16px 0}
.faq-item summary{cursor:pointer;font-weight:600;color:var(--ink);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:before{content:"+ ";color:var(--accent-dark);font-weight:700}
.faq-item[open] summary:before{content:"– "}
.faq-item p{margin-top:10px;color:var(--muted)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#B9C2D0;padding:40px 0 24px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:26px}
@media (max-width:700px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{color:#fff;font-size:13px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:12px}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:#9AA6B8;font-size:14px}
.footer-grid a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;font-size:12.5px;color:#7C8AA3;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- Blog / Reviews ---------- */
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.post-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:border-color .15s ease, transform .15s ease, box-shadow .15s ease}
.post-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.post-card .tag-label{display:inline-block;font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent-dark);background:var(--accent-soft);padding:4px 10px;border-radius:20px;margin-bottom:12px}
.post-card h3{font-size:17px;margin-bottom:8px}
.post-card p{color:var(--muted);font-size:14px;margin-bottom:12px}
.post-meta{font-family:var(--font-mono);font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center}
.article-body{max-width:760px;margin:0 auto}
.article-body p{color:#374151;font-size:16px}
.article-body ul,.article-body ol{color:#374151;font-size:16px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body h2{margin-top:38px}
.article-body h3{margin-top:24px}
.article-body blockquote{border-left:3px solid var(--accent);margin:20px 0;padding:4px 0 4px 18px;color:var(--muted);font-style:italic}
.byline{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:24px;font-family:var(--font-mono)}
.stars{color:var(--warn);letter-spacing:2px;font-size:15px}
.review-score{display:inline-flex;align-items:baseline;gap:6px;background:var(--accent-soft);color:var(--accent-dark);padding:8px 14px;border-radius:8px;font-family:var(--font-mono);font-weight:700;margin-bottom:18px}
.review-score .num{font-size:20px}

/* Utility */
.text-center{text-align:center}
.mt-0{margin-top:0}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}