:root{
  --bg:#0e1116; --surface:#161b24; --surface-hi:#1e2532;
  --txt:#f2f5f9; --txt-2:#a7b0c0; --brand:#4f8cff; --brand-dk:#3a6fd8;
  --border:rgba(255,255,255,.09); --sh-card:0 12px 40px rgba(0,0,0,.45);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.7;-webkit-font-smoothing:antialiased}
.container{max-width:1060px;margin:0 auto;padding:0 24px}
a{color:var(--brand)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(14,17,22,.88);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;max-width:1060px;margin:0 auto}
.logo{font-size:1.35rem;font-weight:800;letter-spacing:-.4px;color:var(--txt);text-decoration:none}
.logo-accent{color:var(--brand)}
.page-nav{display:flex;gap:22px;flex-wrap:wrap}
.page-nav a{color:var(--txt-2);font-size:.94rem;font-weight:600;text-decoration:none}
.page-nav a:hover{color:#fff}
.hero{text-align:center;padding:84px 24px 56px;
  background:radial-gradient(700px 340px at 50% -40px,rgba(79,140,255,.22),transparent)}
.hero h1{font-size:clamp(2rem,5vw,3rem);letter-spacing:-1px;line-height:1.15;margin:0 0 16px}
.hero h1 .accent{color:var(--brand)}
.hero p.lede{color:var(--txt-2);font-size:1.12rem;max-width:640px;margin:0 auto 28px}
.btn{display:inline-block;background:var(--brand);color:#fff !important;font-weight:700;
  padding:13px 30px;border-radius:10px;text-decoration:none;transition:.2s}
.btn:hover{background:var(--brand-dk);transform:translateY(-1px)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--txt) !important}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand) !important}
.section{padding:56px 0}
.section h2{font-size:clamp(1.4rem,3vw,1.9rem);letter-spacing:-.5px;margin:0 0 10px;text-align:center}
.section .sub{color:var(--txt-2);text-align:center;max-width:640px;margin:0 auto 36px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;box-shadow:var(--sh-card);display:flex;flex-direction:column}
.card .tool-icon{font-size:2.2rem;margin-bottom:12px}
.card h3{margin:0 0 8px;font-size:1.35rem;letter-spacing:-.3px}
.card h3 a{color:var(--txt);text-decoration:none}
.card h3 a:hover{color:var(--brand)}
.card p{color:var(--txt-2);font-size:.97rem;margin:10px 0;flex:1}
.card ul{color:var(--txt-2);font-size:.93rem;margin:10px 0 18px 20px;padding:0}
.card li{margin:6px 0}
.card .btn{align-self:flex-start}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:8px}
.feature{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.feature .f-icon{font-size:1.7rem;margin-bottom:10px}
.feature h3{margin:0 0 8px;font-size:1.05rem}
.feature p{color:var(--txt-2);font-size:.93rem;margin:0}
.faq{max-width:760px;margin:0 auto}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:12px;
  margin:12px 0;padding:18px 22px}
.faq summary{font-weight:700;cursor:pointer;font-size:1.02rem}
.faq summary:hover{color:var(--brand)}
.faq details p{color:var(--txt-2);font-size:.95rem;margin:12px 0 4px}
.prose{max-width:820px;margin:0 auto}
.prose p{color:#cfcfcf;margin:14px 0}
.prose h2{font-size:1.4rem;margin:40px 0 12px;text-align:left}
.prose h3{font-size:1.12rem;margin:28px 0 8px}
.prose ul,.prose ol{color:#cfcfcf;margin:12px 0 12px 22px}
.prose li{margin:8px 0}
.prose strong{color:#fff}
.updated{color:var(--txt-2);font-size:.9rem}
.static-footer{border-top:1px solid var(--border);margin-top:64px;padding:44px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px}
.footer-grid h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.7px;color:var(--txt-2);margin:0 0 14px}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin:9px 0}
.footer-grid a{color:#cfcfcf;font-size:.94rem;text-decoration:none}
.footer-grid a:hover{color:var(--brand)}
.footer-brand p{color:var(--txt-2);font-size:.92rem;margin:10px 0 0;max-width:300px}
.footer-copy{color:var(--txt-2);font-size:.86rem;margin-top:32px;text-align:center}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}.hero{padding:60px 20px 40px}}