:root{
  --bg:#ffffff;--surface:#f8fafc;--border:#e2e8f0;--text:#0f172a;--muted:#475569;
  --accent:#4f46e5;--accent-dark:#4338ca;--accent-soft:#eef2ff;--ok:#047857;
  --radius:12px;--shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
  --max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:var(--accent-dark)}
:focus-visible{outline:3px solid #a5b4fc;outline-offset:2px;border-radius:6px}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

/* 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;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--text);text-decoration:none}
.brand svg{width:30px;height:30px}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:8px 14px;border-radius:8px;color:var(--muted);text-decoration:none;font-weight:500;font-size:.97rem}
.nav a:hover{background:var(--surface);color:var(--text)}
.nav a[aria-current="page"]{color:var(--accent);background:var(--accent-soft)}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;width:42px;height:42px;cursor:pointer;color:var(--text)}
.nav-toggle svg{width:22px;height:22px}

/* Hero */
.hero{padding:72px 0 56px;background:linear-gradient(180deg,var(--accent-soft),#fff);text-align:center}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.15;margin:0 0 16px;letter-spacing:-.02em}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:640px;margin:0 auto 28px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:#fff;border:1px solid #c7d2fe;border-radius:999px;padding:4px 12px;margin-bottom:16px}
.page-head{padding:48px 0 12px}
.page-head h1{font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.2;margin:0 0 12px;letter-spacing:-.02em}
.page-head p{color:var(--muted);font-size:1.1rem;margin:0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;border:1px solid transparent;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;transition:background .15s,transform .05s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{background:var(--surface);color:var(--text)}
.btn-sm{padding:8px 14px;font-size:.93rem}

/* Sections */
section.block{padding:56px 0}
section.alt{background:var(--surface);border-block:1px solid var(--border)}
h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.25;margin:0 0 14px;letter-spacing:-.015em}
h3{font-size:1.15rem;margin:0 0 8px}
.section-sub{color:var(--muted);max-width:660px;margin:0 0 32px}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.card p{margin:0;color:var(--muted)}
.icon{width:44px;height:44px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-size:1.3rem;margin-bottom:14px}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:16px}
.steps li{counter-increment:s;position:relative;padding:4px 0 4px 54px}
.steps li::before{content:counter(s);position:absolute;left:0;top:2px;width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;display:grid;place-items:center}
.steps strong{display:block}
.cta{background:var(--accent);color:#fff;border-radius:16px;padding:44px 24px;text-align:center}
.cta h2{color:#fff}
.cta p{color:#e0e7ff;margin:0 0 22px}
.cta .btn{background:#fff;color:var(--accent)}
.cta .btn:hover{background:var(--accent-soft)}

/* Prose */
.prose{max-width:760px}
.prose h2{margin-top:40px}
.prose h3{margin-top:26px}
.prose p,.prose li{color:#1e293b}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin:6px 0}
.meta{color:var(--muted);font-size:.95rem}
table{border-collapse:collapse;width:100%;font-size:.97rem}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border)}
th{background:var(--surface);font-weight:600}
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}
.table-wrap table{min-width:420px}

/* FAQ */
.faq details{border:1px solid var(--border);border-radius:var(--radius);background:#fff;margin-bottom:12px}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0;padding:0 20px 18px;color:var(--muted)}

/* Tool */
.tool{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:28px;margin:20px 0 8px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-weight:600;font-size:.93rem;margin-bottom:6px}
input[type=text],input[type=email],select,textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:3px solid #c7d2fe;border-color:var(--accent)}
textarea{min-height:140px;resize:vertical}
.options{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.error{color:#b91c1c;font-size:.95rem;margin:12px 0 0;min-height:1.4em}
.results-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:28px 0 12px;flex-wrap:wrap}
.results-head h2{margin:0;font-size:1.25rem}
.results{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px;list-style:none;padding:0;margin:0}
.result{display:flex;align-items:center;justify-content:space-between;gap:6px;border:1px solid var(--border);border-radius:10px;padding:6px 6px 6px 14px;background:var(--surface)}
.result:hover{border-color:#a5b4fc;background:var(--accent-soft)}
.result .name{font-weight:600;font-size:1.05rem;overflow-wrap:anywhere}
.icon-btn{border:0;background:none;cursor:pointer;width:34px;height:34px;border-radius:8px;color:var(--muted);display:grid;place-items:center;font-size:1.05rem}
.icon-btn:hover{background:#fff;color:var(--accent)}
.icon-btn.on{color:#f59e0b}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--text);color:#fff;padding:10px 18px;border-radius:999px;font-size:.95rem;opacity:0;pointer-events:none;transition:.2s;z-index:80}
.toast.show{opacity:1;transform:translateX(-50%)}
.saved{margin-top:24px;padding-top:20px;border-top:1px dashed var(--border)}
.saved h3{display:flex;justify-content:space-between;align-items:center}
.muted{color:var(--muted)}
.hidden{display:none!important}

/* Footer */
.site-footer{border-top:1px solid var(--border);background:var(--surface);margin-top:64px;padding:40px 0 28px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
.footer-grid h2{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 12px}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin:6px 0}
.footer-grid a{color:var(--text);text-decoration:none}
.footer-grid a:hover{color:var(--accent);text-decoration:underline}
.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid var(--border);color:var(--muted);font-size:.9rem}
.breadcrumb{font-size:.9rem;color:var(--muted);padding-top:20px}
.breadcrumb a{color:var(--muted)}

@media (max-width:760px){
  body{font-size:16.5px}
  .nav-toggle{display:grid;place-items:center}
  .nav{position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);display:none;padding:8px 20px 16px}
  .nav.open{display:block}
  .nav ul{flex-direction:column}
  .nav a{padding:12px 14px}
  .hero{padding:48px 0 40px}
  .fields,.options{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .tool{padding:20px}
  section.block{padding:40px 0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.result>span:last-child{display:flex;flex-shrink:0}