:root{--bg:#060810;--ak:#ef4444;--tx:#e8eaf0;--dim:#8b93a7;--card:rgba(255,255,255,.04);--ln:rgba(255,255,255,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.6 "Outfit",system-ui,sans-serif}
.w{max-width:1040px;margin:0 auto;padding:0 16px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}h1{font-size:clamp(2rem,5vw,3.2rem)}h2{font-size:1.6rem;margin-top:2.2em}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
header{border-bottom:1px solid var(--ln);padding:14px 0}header .w{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
header b{letter-spacing:.14em;font-family:"JetBrains Mono",monospace}header a{color:var(--dim);text-decoration:none;margin-left:16px}
header a:hover{color:var(--ak)}
.hero{padding:56px 0 24px}.hero p{max-width:60ch;color:var(--dim);font-size:1.1rem}
.btn{display:inline-block;background:var(--ak);color:#fff;padding:12px 22px;border-radius:6px;text-decoration:none;font-weight:600;border:0;cursor:pointer;font-size:1rem}
.btn.s{background:transparent;color:var(--tx);border:1px solid var(--ln)}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--ln);border-radius:10px;padding:18px}
.card h3{font-size:1.05rem}.card p{margin:.3em 0;color:var(--dim);font-size:.95rem}
.tag{font:.72rem "JetBrains Mono",monospace;color:var(--ak);text-transform:uppercase;letter-spacing:.1em}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.steps li{counter-increment:s}.steps li:before{content:counter(s);display:block;font:700 1.6rem "JetBrains Mono",monospace;color:var(--ak)}
form.k{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin:18px 0}
label{display:grid;gap:4px;font-size:.85rem;color:var(--dim)}
input,select{background:var(--card);color:var(--tx);border:1px solid var(--ln);border-radius:6px;padding:10px;font:inherit}
.res{border:1px solid var(--ak);border-radius:10px;padding:18px;margin:18px 0}
.res table{width:100%;border-collapse:collapse}.res td{padding:6px 4px;border-bottom:1px solid var(--ln)}.res td:last-child{text-align:right;white-space:nowrap}
.big{font:700 1.6rem "JetBrains Mono",monospace}
.warn{color:#f59e0b}.err{color:var(--ak)}
footer{border-top:1px solid var(--ln);margin-top:56px;padding:28px 0;color:var(--dim);font-size:.85rem}
footer p{margin:.4em 0}
a{color:var(--ak)}