*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#07070d;--bg2:#0e0e1a;--bg3:#141425;--accent:#4fffce;--accent2:#5b8dff;--text:#f0f0f8;--muted:rgba(240,240,248,.55);--border:rgba(255,255,255,.07);--border2:rgba(255,255,255,.13)}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:17px;line-height:1.72;min-height:100vh;overflow-x:hidden}

nav{display:flex;align-items:center;justify-content:space-between;padding:0 2.5rem;height:64px;background:rgba(7,7,13,.93);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.logo{font-family:'Syne',sans-serif;font-weight:800;font-size:1.35rem;color:var(--accent);text-decoration:none;letter-spacing:-.03em}
.logo span{color:var(--text)}
.nav-cta{font-size:.85rem;color:var(--accent);text-decoration:none;border:1px solid rgba(79,255,206,.3);padding:.45rem 1rem;border-radius:8px;transition:background .2s}
.nav-cta:hover{background:rgba(79,255,206,.08)}

.wrap{max-width:760px;margin:0 auto;padding:3rem 1.5rem 4rem}
.back-btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--bg2);border:1px solid var(--border2);color:var(--text);font-family:inherit;font-size:.87rem;padding:.5rem 1rem;border-radius:9px;cursor:pointer;text-decoration:none;margin-bottom:1.4rem;transition:border-color .2s,background .2s}
.back-btn:hover{border-color:rgba(79,255,206,.35);background:rgba(79,255,206,.06);color:var(--accent)}
.crumb{font-size:.82rem;color:var(--muted);margin-bottom:1.6rem}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--accent)}

h1{font-family:'Syne',sans-serif;font-weight:800;font-size:clamp(1.9rem,5vw,2.7rem);line-height:1.16;letter-spacing:-.02em;margin-bottom:1rem}
.lead{font-size:1.1rem;color:var(--muted);margin-bottom:1rem;line-height:1.7}
.meta{font-size:.8rem;color:rgba(240,240,248,.35);margin-bottom:2.6rem;padding-bottom:1.6rem;border-bottom:1px solid var(--border)}

article h2{font-family:'Syne',sans-serif;font-weight:700;font-size:1.5rem;line-height:1.3;margin:2.8rem 0 1rem;letter-spacing:-.01em}
article h3{font-weight:600;font-size:1.13rem;margin:1.9rem 0 .6rem}
article p{margin-bottom:1.1rem}
article ul,article ol{margin:0 0 1.2rem 1.3rem}
article li{margin-bottom:.55rem}
article a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(79,255,206,.3)}
article a:hover{border-bottom-color:var(--accent)}
article strong{font-weight:600;color:#fff}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:rgba(79,255,206,.09);border:1px solid rgba(79,255,206,.2);border-radius:5px;padding:.1rem .4rem;font-size:.88em;color:var(--accent)}

.note{background:var(--bg2);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:10px;padding:1.1rem 1.3rem;margin:1.6rem 0;font-size:.95rem;color:var(--muted)}
.note strong{color:var(--text)}

.steps{counter-reset:s;list-style:none;margin-left:0}
.steps li{counter-increment:s;position:relative;padding-left:2.9rem;margin-bottom:1.1rem}
.steps li::before{content:counter(s);position:absolute;left:0;top:.05rem;width:2rem;height:2rem;border-radius:50%;background:rgba(79,255,206,.1);border:1px solid rgba(79,255,206,.28);color:var(--accent);font-weight:600;font-size:.9rem;display:flex;align-items:center;justify-content:center}

.tbl{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.93rem;display:block;overflow-x:auto}
.tbl th,.tbl td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--border)}
.tbl th{font-weight:600;color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.05em}

.cta{background:linear-gradient(135deg,rgba(79,255,206,.07),rgba(91,141,255,.05));border:1px solid rgba(79,255,206,.22);border-radius:16px;padding:1.8rem;margin:2.8rem 0;text-align:center}
.cta-h{font-family:'Syne',sans-serif;font-weight:700;font-size:1.25rem;margin-bottom:.5rem}
.cta-p{color:var(--muted);font-size:.95rem;margin-bottom:1.3rem}
.cta-btn{display:inline-block;background:var(--accent);color:#07070d;font-weight:600;text-decoration:none;padding:.8rem 1.9rem;border-radius:10px;font-size:.97rem;transition:transform .2s}
.cta-btn:hover{transform:translateY(-2px)}

.faq-q{font-weight:600;margin:1.6rem 0 .4rem;font-size:1.03rem}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.1rem;margin-top:2rem}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:1.4rem;text-decoration:none;color:var(--text);transition:border-color .2s,transform .2s;display:block}
.card:hover{border-color:rgba(79,255,206,.3);transform:translateY(-3px)}
.card-t{font-family:'Syne',sans-serif;font-weight:700;font-size:1.08rem;margin-bottom:.5rem;line-height:1.3}
.card-d{font-size:.88rem;color:var(--muted);line-height:1.6}

footer{border-top:1px solid var(--border);padding:2.5rem 1.5rem;text-align:center;margin-top:3rem}
.footer-logo{font-family:'Syne',sans-serif;font-weight:800;font-size:1.15rem;color:var(--accent);text-decoration:none;letter-spacing:-.03em;display:inline-block;margin-bottom:.4rem}
.footer-logo span{color:var(--text)}
.footer-copy{font-size:.8rem;color:rgba(240,240,248,.32)}
footer a{color:var(--muted);text-decoration:none;font-size:.82rem;margin:0 .5rem}
footer a:hover{color:var(--accent)}

@media(max-width:680px){
  nav{padding:0 1.1rem;height:58px}
  body{font-size:16px}
  .wrap{padding:2rem 1.1rem 3rem}
  article h2{font-size:1.3rem;margin:2.2rem 0 .8rem}
  .cta{padding:1.4rem 1.1rem}
}