:root{
  --indigo-50:#eef2ff; --indigo-100:#e0e7ff; --indigo-500:#6366f1; --indigo-600:#4f46e5; --indigo-700:#4338ca;
  --slate-50:#f8fafc; --slate-100:#f1f5f9; --slate-200:#e2e8f0; --slate-300:#cbd5e1;
  --slate-500:#64748b; --slate-600:#475569; --slate-700:#334155; --slate-800:#1e293b; --slate-900:#0f172a;
  --green-500:#22c55e; --red-500:#ef4444; --amber-500:#f59e0b;
  --radius:12px;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.06);
  --shadow-lg:0 10px 25px -5px rgba(15,23,42,.1),0 8px 10px -6px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--slate-50);
  color:var(--slate-800);
  line-height:1.6;
}
a{color:var(--indigo-600);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{
  background:#fff;border-bottom:1px solid var(--slate-200);position:sticky;top:0;z-index:50;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 20px;max-width:1180px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--slate-900)}
.brand img{width:32px;height:32px}
.brand span.tag{color:var(--indigo-600)}
.main-nav{display:flex;gap:22px;align-items:center}
.main-nav a{color:var(--slate-600);font-weight:600;font-size:.95rem}
.main-nav a:hover{color:var(--indigo-600);text-decoration:none}
.header-search{position:relative}
.header-search input{
  border:1px solid var(--slate-200);border-radius:8px;padding:9px 14px;font-size:.9rem;width:230px;
  background:var(--slate-50);
}
.header-search input:focus{outline:2px solid var(--indigo-500);outline-offset:1px;background:#fff}
.search-dropdown{
  position:absolute;top:calc(100% + 6px);left:0;right:0;background:#fff;border:1px solid var(--slate-200);
  border-radius:10px;box-shadow:var(--shadow-lg);max-height:340px;overflow-y:auto;display:none;z-index:60;
}
.search-dropdown.active{display:block}
.search-dropdown a{display:flex;flex-direction:column;gap:2px;padding:10px 14px;color:var(--slate-800);border-bottom:1px solid var(--slate-100)}
.search-dropdown a:last-child{border-bottom:none}
.search-dropdown a:hover{background:var(--indigo-50);text-decoration:none}
.search-dropdown a small{color:var(--slate-500);font-weight:400}
.search-empty{padding:14px;color:var(--slate-500);font-size:.9rem}
.mobile-toggle{display:none;background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--slate-700)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--indigo-700),var(--indigo-500));color:#fff;padding:64px 0 56px}
.hero h1{font-size:2.3rem;margin:0 0 12px;font-weight:800}
.hero p{font-size:1.1rem;max-width:640px;opacity:.94;margin:0 0 28px}
.hero-search{max-width:560px;position:relative}
.hero-search input{
  width:100%;padding:16px 20px;border-radius:12px;border:none;font-size:1rem;box-shadow:var(--shadow-lg);
}
.hero-search .search-dropdown{color:var(--slate-800)}
.trust-badges{display:flex;gap:22px;margin-top:26px;flex-wrap:wrap;font-size:.88rem;opacity:.92}
.trust-badges span{display:flex;align-items:center;gap:6px}

/* Sections */
.section{padding:52px 0}
.section-title{font-size:1.6rem;font-weight:800;margin:0 0 6px;color:var(--slate-900)}
.section-sub{color:var(--slate-600);margin:0 0 30px}

/* Tool grid */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
.tool-card{
  background:#fff;border:1px solid var(--slate-200);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease;display:flex;flex-direction:column;gap:10px;
}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);text-decoration:none}
.tool-icon{
  width:44px;height:44px;border-radius:10px;background:var(--indigo-50);display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;
}
.tool-card h3{margin:0;font-size:1.05rem;color:var(--slate-900)}
.tool-card p{margin:0;color:var(--slate-600);font-size:.9rem;flex:1}
.tool-card .cta{color:var(--indigo-600);font-weight:700;font-size:.88rem}

/* Category badge */
.category-pill{
  display:inline-block;background:var(--indigo-100);color:var(--indigo-700);font-size:.78rem;font-weight:700;
  padding:4px 12px;border-radius:999px;margin-bottom:10px;
}

/* Tool page layout */
.breadcrumb{font-size:.85rem;color:var(--slate-500);margin-bottom:18px}
.breadcrumb a{color:var(--slate-500)}
.tool-header{margin-bottom:22px}
.tool-header h1{font-size:1.9rem;margin:6px 0 8px;color:var(--slate-900)}
.tool-header .lede{color:var(--slate-600);font-size:1.05rem;max-width:760px}
.tool-app{
  background:#fff;border:1px solid var(--slate-200);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin-bottom:36px;
}
.field-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
label{font-weight:600;font-size:.88rem;color:var(--slate-700);display:block;margin-bottom:6px}
input[type=text],input[type=number],input[type=password],textarea,select{
  width:100%;padding:11px 13px;border:1px solid var(--slate-300);border-radius:8px;font-size:.95rem;
  font-family:inherit;background:#fff;color:var(--slate-800);
}
textarea{resize:vertical;min-height:110px;font-family:ui-monospace,Consolas,monospace}
input:focus,textarea:focus,select:focus{outline:2px solid var(--indigo-500);outline-offset:1px}
.btn{
  display:inline-flex;align-items:center;gap:8px;background:var(--indigo-600);color:#fff;border:none;
  padding:11px 20px;border-radius:8px;font-weight:700;font-size:.92rem;cursor:pointer;transition:background .15s;
}
.btn:hover{background:var(--indigo-700)}
.btn.secondary{background:var(--slate-100);color:var(--slate-700)}
.btn.secondary:hover{background:var(--slate-200)}
.btn.small{padding:7px 12px;font-size:.82rem}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.output-box{
  background:var(--slate-900);color:#e2e8f0;border-radius:8px;padding:16px;font-family:ui-monospace,Consolas,monospace;
  word-break:break-all;font-size:.92rem;margin-top:16px;position:relative;min-height:26px;
}
.slider-row{display:flex;align-items:center;gap:14px}
input[type=range]{flex:1;accent-color:var(--indigo-600)}
.checkbox-row{display:flex;gap:18px;flex-wrap:wrap;margin:14px 0}
.checkbox-row label{display:flex;align-items:center;gap:7px;font-weight:500;margin:0}
.strength-meter{height:8px;border-radius:999px;background:var(--slate-200);overflow:hidden;margin-top:10px}
.strength-fill{height:100%;border-radius:999px;transition:width .25s,background .25s}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:700}
.badge.ok{background:#dcfce7;color:#166534}
.badge.bad{background:#fee2e2;color:#991b1b}
.badge.warn{background:#fef3c7;color:#92400e}
.note{font-size:.85rem;color:var(--slate-500);margin-top:10px}
.copied-toast{position:absolute;top:8px;right:8px;background:var(--green-500);color:#fff;padding:3px 10px;border-radius:6px;font-size:.75rem;display:none}

/* Content / FAQ */
.content-block{max-width:820px}
.content-block h2{font-size:1.3rem;margin:34px 0 12px;color:var(--slate-900)}
.content-block p{color:var(--slate-700);margin:0 0 14px}
.faq-item{border-bottom:1px solid var(--slate-200);padding:16px 0}
.faq-item h3{margin:0 0 8px;font-size:1rem;color:var(--slate-900)}
.faq-item p{margin:0;color:var(--slate-600);font-size:.94rem}

/* Related tools */
.related-tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:14px}

/* Footer */
.site-footer{background:var(--slate-900);color:var(--slate-300);padding:48px 0 24px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer-col h4{color:#fff;font-size:.92rem;margin:0 0 14px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.footer-col a{color:var(--slate-300);font-size:.9rem}
.footer-col a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:1.1rem;margin-bottom:10px}
.footer-brand img{width:28px;height:28px}
.footer-desc{font-size:.88rem;color:var(--slate-500);max-width:320px}
.footer-bottom{border-top:1px solid #1e293b;margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem;color:var(--slate-500)}

/* Static pages */
.static-page .content-block h1{font-size:1.9rem;color:var(--slate-900);margin-bottom:18px}

@media(max-width:860px){
  .main-nav,.header-search{display:none}
  .mobile-toggle{display:block}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:1.7rem}
  .hero{padding:44px 0}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr}
}
.mobile-nav{display:none;flex-direction:column;gap:2px;background:#fff;border-top:1px solid var(--slate-200);padding:10px 20px}
.mobile-nav.active{display:flex}
.mobile-nav a{padding:10px 0;color:var(--slate-700);font-weight:600;border-bottom:1px solid var(--slate-100)}
.mobile-search{padding:12px 20px;display:none;position:relative}
.mobile-search.active{display:block}
.mobile-search input{width:100%;padding:11px 14px;border-radius:8px;border:1px solid var(--slate-300)}