:root{
  --bg:#0b0d10; --bg2:#12151a; --card:#171b21; --line:#262b33;
  --text:#e9edf2; --muted:#9aa4b2; --accent:#e82127; --accent2:#ff4b51;
  --radius:14px; --wrap:960px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;margin:0 0 .6em}
h2{font-size:1.6rem}
h3{font-size:1.05rem}

.topbar{position:sticky;top:0;z-index:10;background:rgba(11,13,16,.85);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:56px}
.brand{font-weight:700;letter-spacing:.02em}
.topbar-cta{font-size:.9rem;text-decoration:none;padding:6px 14px;border:1px solid var(--line);border-radius:999px}
.topbar-cta:hover{border-color:var(--accent)}

.hero{padding:64px 0 56px;text-align:center;
  background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(232,33,39,.22),transparent 70%),
             linear-gradient(180deg,var(--bg2),var(--bg))}
.eyebrow{display:inline-block;margin:0 0 18px;font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;
  color:var(--muted);border:1px solid var(--line);padding:4px 12px;border-radius:999px}
.hero h1{font-size:clamp(1.9rem,6vw,3.2rem);font-weight:800;letter-spacing:-.02em}
.accent{color:var(--accent2)}
.lead{max-width:560px;margin:0 auto 32px;color:var(--muted);font-size:1.08rem}

.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--accent);color:#fff;text-decoration:none;font-weight:700;font-size:1.15rem;
  padding:18px 32px;border-radius:999px;width:100%;max-width:420px;
  box-shadow:0 10px 30px rgba(232,33,39,.35);transition:transform .15s,background .15s}
.btn-primary:hover{background:var(--accent2);transform:translateY(-2px)}
.btn-primary:focus-visible,.btn-copy:focus-visible,summary:focus-visible{outline:3px solid #fff;outline-offset:3px}

.copybox{display:flex;align-items:center;gap:8px;max-width:420px;margin:22px auto 0;
  background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 6px 6px 18px}
.copybox code{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.95rem;user-select:all}
.btn-copy{flex:none;border:0;cursor:pointer;background:#2a3038;color:var(--text);font:inherit;font-weight:600;
  font-size:.9rem;padding:9px 16px;border-radius:999px}
.btn-copy:hover{background:#353c46}
.copy-status{min-height:1.4em;margin:8px 0 0;font-size:.85rem;color:var(--muted)}

.section{padding:56px 0}
.section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.steps p{margin:0;color:var(--muted)}
.num{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;
  background:rgba(232,33,39,.15);color:var(--accent2);font-weight:700;margin-bottom:12px}
.hint{margin:20px 0 0;font-size:.92rem;color:var(--muted);border-left:3px solid var(--accent);padding-left:14px}

details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px}
summary{cursor:pointer;list-style:none;padding:18px 48px 18px 20px;font-weight:600;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--muted)}
details[open] summary::after{content:"–"}
details p{margin:0;padding:0 20px 18px;color:var(--muted)}

.cta-end{text-align:center}
.disclaimer{max-width:560px;margin:24px auto 0;font-size:.85rem;color:var(--muted)}

.legal{border-top:1px solid var(--line);font-size:.92rem;color:var(--muted)}
.legal h2{color:var(--text);font-size:1.3rem}
.legal h3{color:var(--text);margin-top:1.4em}
mark{background:rgba(255,200,0,.18);color:#ffd866;padding:0 4px;border-radius:4px}

.footer{border-top:1px solid var(--line);padding:24px 0;font-size:.85rem;color:var(--muted)}
.footer-inner{display:flex;flex-direction:column;gap:10px;align-items:center;text-align:center}
.footer nav{display:flex;gap:18px}
.footer a{color:var(--text)}

@media (min-width:720px){
  .hero{padding:110px 0 90px}
  .steps{grid-template-columns:repeat(3,1fr)}
  .section{padding:80px 0}
  .footer-inner{flex-direction:row;justify-content:space-between;text-align:left}
  h2{font-size:2rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn-primary{transition:none}}
@media (max-width:400px){
  .btn-primary{font-size:1.05rem;padding:16px 22px}
  .copybox{padding-left:14px}
  .copybox code{font-size:.9rem}
}
.perk{display:inline-block;margin:0 0 18px;font-weight:700;color:#fff;background:rgba(232,33,39,.16);
  border:1px solid rgba(232,33,39,.45);padding:8px 16px;border-radius:999px;font-size:1rem}
.lead strong{color:var(--text)}
.stand{margin:6px auto 0;max-width:420px;font-size:.8rem;color:var(--muted)}
@media (max-width:400px){.perk{font-size:.86rem;padding:7px 12px}}
.legal a{color:var(--text);text-underline-offset:2px}
.legal a:hover{color:var(--accent2)}