:root{--bg:#0d111b;--panel:#151b29;--line:#2b3550;--text:#e9edf5;--muted:#b9c3d8;--gold:#e8c872;--accent:#7a56d8;--gut:clamp(16px,4vw,72px)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
/* fluid: everything scales with the screen (phone, tablet, laptop, 4K) instead of a fixed narrow column */
body{margin:0;background:var(--bg);color:var(--text);font:clamp(16px,.55vw + 12.5px,24px)/1.65 "Segoe UI",system-ui,Arial,sans-serif}
a{color:inherit}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px var(--gut);position:sticky;top:0;background:rgba(13,17,27,.92);border-bottom:1px solid var(--line);z-index:5}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:1.15em}
.brand img{width:2.2em;height:2.2em;object-fit:contain}
.top nav{display:flex;gap:1.3em;flex-wrap:wrap}.top nav a{text-decoration:none;color:var(--muted)}.top nav a:hover{color:var(--text)}
main{width:100%;max-width:min(1700px,100%);margin:0 auto;padding:0 var(--gut) 56px}
section{padding:clamp(32px,4vw,72px) 0 8px}
h1{font-size:clamp(28px,3.4vw,64px);line-height:1.2;margin:.5em 0 .5em}
h2{font-size:clamp(24px,2.2vw,42px);margin:0 0 .7em}h3{margin:0 0 6px;font-size:1.15em}
.hero{text-align:center;padding-top:clamp(20px,2.5vw,48px)}
.hero-img{width:min(clamp(300px,38vw,760px),100%);height:auto;border-radius:14px;box-shadow:0 8px 30px rgba(0,0,0,.45)}
.lead{color:var(--muted);max-width:min(1100px,100%);margin:0 auto 14px;font-size:1.08em}
.privacy{color:var(--gold);font-weight:600;max-width:min(1100px,100%);margin:0 auto 20px;font-size:1.05em}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:22px 0 10px}
.btn{display:inline-block;padding:.8em 1.6em;border-radius:10px;border:1px solid var(--line);text-decoration:none;background:var(--panel);font-weight:600}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.disabled{opacity:.55;pointer-events:none}
.note{color:var(--muted);font-size:.9em}
.cards{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,18em),1fr));gap:clamp(12px,1.4vw,28px)}
.cards li{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1.1em 1.2em}
.cards p{margin:0;color:var(--muted);font-size:.95em}
.steps{max-width:min(1100px,100%);padding-left:1.4em}.steps li{margin-bottom:.6em}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,17em),1fr));gap:clamp(12px,1.4vw,28px);max-width:min(1200px,100%)}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1.3em;position:relative}
.plan.best{border-color:var(--gold)}
.plan ul{padding-left:1.2em;margin:.8em 0 0;color:var(--muted);font-size:.95em}
.price{font-size:clamp(28px,2.2vw,44px);font-weight:800;color:var(--gold)}
.badge{position:absolute;top:-12px;left:16px;background:var(--gold);color:#241a00;font-weight:800;font-size:.8em;padding:3px 12px;border-radius:999px}
.download{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1.4em;text-align:center;max-width:min(1200px,100%)}
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:.8em 1.1em;margin:10px 0;max-width:min(1200px,100%)}
summary{cursor:pointer;font-weight:600}details p{color:var(--muted);margin:10px 0 0}
footer{text-align:center;color:var(--muted);font-size:.9em;padding:26px var(--gut) 40px;border-top:1px solid var(--line)}
@media(max-width:600px){.top{padding:10px 16px}main{padding:0 16px 40px}.top nav{gap:.9em}}