:root{--bg:#141518;--panel:#1F2023;--panel2:#2A2C30;--line:#33363B;--text:#E8E9EB;--muted:#A3A8AF;--acc:#0EA5A5;--acc2:#19C3C3;--glow:rgba(46,211,211,.35)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--acc2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line);background:rgba(20,21,24,.9);position:sticky;top:0;backdrop-filter:blur(8px);z-index:5}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
header img{height:36px;display:block}
nav{display:flex;gap:22px;flex-wrap:wrap}
nav a{color:var(--muted);font-size:15px}
nav a:hover{color:var(--text);text-decoration:none}
.hero{padding-top:88px;padding-bottom:56px}
.hero h1{font-size:clamp(34px,5vw,54px);line-height:1.1;margin:0 0 18px;letter-spacing:-1px}
.hero h1 span{color:var(--acc2)}
.hero p{font-size:19px;color:var(--muted);max-width:640px;margin:0}
section{scroll-margin-top:70px;padding:56px 0;border-top:1px solid var(--line)}
h2{font-size:30px;margin:0 0 8px;letter-spacing:-.5px}
h3{font-size:19px;margin:28px 0 6px}
.lead{color:var(--muted);margin:0 0 28px;max-width:700px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.product img{width:100%;height:auto;display:block;border-bottom:1px solid var(--line)}
.product .body{padding:26px 28px 30px}
.product h3{margin-top:0;font-size:24px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:20px}
ul{padding-left:20px;margin:8px 0}
li{margin:4px 0}
.tag{display:inline-block;font-size:13px;padding:3px 10px;border-radius:999px;background:rgba(14,165,165,.15);color:var(--acc2);margin:0 6px 6px 0}
.btn{display:inline-block;background:var(--acc);color:#fff;font-weight:600;padding:12px 22px;border-radius:8px;margin-top:10px}
.btn:hover{background:var(--acc2);text-decoration:none;box-shadow:0 0 18px var(--glow)}
.mail{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.mail .btn{margin-top:0}
button.btn{font:inherit;font-weight:600;cursor:pointer}
.hint{color:var(--muted);font-size:14px;margin:12px 0 0}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
details{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px 20px;margin:12px 0}
summary{cursor:pointer;font-weight:600}
details p,details ul{color:var(--muted)}
code{background:var(--panel2);padding:2px 6px;border-radius:5px;font-size:14px}
.policy h2{margin-top:40px}
.policy p,.policy li{color:#CDD0D4}
footer{border-top:1px solid var(--line);padding:32px 0 48px;color:var(--muted);font-size:14px}
footer p{margin:6px 0}
@media (max-width:640px){header .wrap{height:auto;padding:14px 24px;flex-direction:column;align-items:flex-start}.hero{padding-top:56px;padding-bottom:36px}}
.linkbtn{background:none;border:1px solid var(--line);color:var(--text);font:inherit;font-size:13px;padding:3px 10px;border-radius:6px;margin-left:8px;cursor:pointer}
.linkbtn:hover{border-color:var(--acc)}