:root{
  --bg:#f7f7f8; --bg-elev:#ffffff; --text:#14161a; --muted:#5b616e;
  --border:#e4e5e9; --accent:#3d5afe; --accent-2:#00b894; --code-bg:#eef0f4;
  --radius:14px; --shadow:0 1px 2px rgba(20,22,26,.04),0 8px 24px rgba(20,22,26,.06);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0c0d10; --bg-elev:#15171c; --text:#eceef2; --muted:#9aa0ac;
    --border:#24262d; --accent:#7c93ff; --accent-2:#33d19f; --code-bg:#1b1d23;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px rgba(0,0,0,.35);
  }
}
:root[data-theme="light"]{
  --bg:#f7f7f8; --bg-elev:#ffffff; --text:#14161a; --muted:#5b616e;
  --border:#e4e5e9; --accent:#3d5afe; --accent-2:#00b894; --code-bg:#eef0f4;
  --shadow:0 1px 2px rgba(20,22,26,.04),0 8px 24px rgba(20,22,26,.06);
}
:root[data-theme="dark"]{
  --bg:#0c0d10; --bg-elev:#15171c; --text:#eceef2; --muted:#9aa0ac;
  --border:#24262d; --accent:#7c93ff; --accent-2:#33d19f; --code-bg:#1b1d23;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Inter,Roboto,sans-serif;
  line-height:1.55; -webkit-font-smoothing:antialiased;
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px; margin:0 auto; padding:0 20px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:100}
.skip-link:focus{left:0}

header.site{
  position:sticky; top:0; z-index:20; background:color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter:saturate(180%) blur(12px); border-bottom:1px solid var(--border);
}
.nav{display:flex; align-items:center; justify-content:space-between; padding:14px 0}
.brand{display:flex; align-items:center; gap:10px; font-weight:700; font-size:17px; color:var(--text)}
.brand:hover{text-decoration:none}
.brand img{width:28px; height:28px; border-radius:7px}
.nav-links{display:flex; align-items:center; gap:22px; font-size:14.5px}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.theme-toggle{
  border:1px solid var(--border); background:var(--bg-elev); color:var(--text);
  border-radius:8px; padding:6px 10px; font-size:13px; cursor:pointer;
}
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:11px 20px; border-radius:10px;
  font-weight:600; font-size:14.5px; border:1px solid transparent; cursor:pointer;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent); color:#fff}
.btn-primary:hover{opacity:.92}
.btn-ghost{background:transparent; border-color:var(--border); color:var(--text)}
.btn-ghost:hover{background:var(--code-bg)}

.hero{padding:96px 0 72px; text-align:center}
.eyebrow{
  display:inline-block; font-size:12.5px; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  color:var(--accent); background:color-mix(in srgb, var(--accent) 12%, transparent);
  padding:5px 12px; border-radius:999px; margin-bottom:20px;
}
h1{font-size:clamp(32px,5.4vw,54px); line-height:1.08; margin:0 0 22px; letter-spacing:-.02em; font-weight:800}
.hero p.lead{font-size:19px; color:var(--muted); max-width:640px; margin:0 auto 34px}
.hero-actions{display:flex; gap:14px; justify-content:center; flex-wrap:wrap}

section{padding:64px 0}
.section-head{max-width:640px; margin:0 auto 44px; text-align:center}
.section-head h2{font-size:clamp(24px,3.6vw,34px); margin:0 0 12px; letter-spacing:-.01em}
.section-head p{color:var(--muted); font-size:16px; margin:0}

.steps{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; counter-reset:step}
.step{
  background:var(--bg-elev); border:1px solid var(--border); border-radius:var(--radius);
  padding:22px 20px; box-shadow:var(--shadow);
}
.step .num{
  width:30px; height:30px; border-radius:8px; background:color-mix(in srgb, var(--accent) 14%, transparent);
  color:var(--accent); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; margin-bottom:14px;
}
.step h3{margin:0 0 8px; font-size:16px}
.step p{margin:0; color:var(--muted); font-size:14.5px}

.features{display:grid; grid-template-columns:repeat(3,1fr); gap:20px}
.card{
  background:var(--bg-elev); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px; box-shadow:var(--shadow);
}
.card .icon{
  width:38px; height:38px; border-radius:10px; display:flex; align-items:center; justify-content:center;
  background:color-mix(in srgb, var(--accent-2) 16%, transparent); color:var(--accent-2); margin-bottom:14px;
}
.card h3{margin:0 0 8px; font-size:16.5px}
.card p{margin:0; color:var(--muted); font-size:14.5px}

.security{
  background:var(--bg-elev); border:1px solid var(--border); border-radius:20px; padding:40px;
  box-shadow:var(--shadow);
}
.security-grid{display:grid; grid-template-columns:1fr 1fr; gap:32px; align-items:start}
.security ul{margin:0; padding:0; list-style:none; display:grid; gap:16px}
.security li{display:flex; gap:12px; font-size:15px}
.security li svg{flex:none; margin-top:2px; color:var(--accent-2)}
.security h2{margin-top:0}

.pricing{max-width:560px; margin:0 auto; text-align:center}
.price-card{
  background:var(--bg-elev); border:1px solid var(--border); border-radius:var(--radius); padding:36px;
  box-shadow:var(--shadow);
}
.price-card .amount{font-size:40px; font-weight:800; margin:6px 0}
.price-card .amount span{font-size:16px; font-weight:600; color:var(--muted)}
.price-card ul{list-style:none; padding:0; margin:22px 0; text-align:left; display:grid; gap:10px; font-size:14.5px; color:var(--muted)}
.price-card ul li::before{content:"✓ "; color:var(--accent-2); font-weight:700}

.faq{max-width:720px; margin:0 auto}
.faq-item{border-bottom:1px solid var(--border); padding:18px 0}
.faq-item summary{cursor:pointer; font-weight:600; font-size:15.5px; list-style:none; display:flex; justify-content:space-between; gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+"; color:var(--muted); font-weight:400; font-size:20px}
.faq-item[open] summary::after{content:"–"}
.faq-item p{color:var(--muted); margin:12px 0 0; font-size:14.5px}

footer.site{border-top:1px solid var(--border); padding:40px 0; margin-top:40px}
.footer-inner{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; font-size:13.5px; color:var(--muted)}
.footer-links{display:flex; gap:18px}

code, .kbd{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; background:var(--code-bg);
  padding:2px 6px; border-radius:5px; font-size:.92em;
}

@media (max-width:860px){
  .steps{grid-template-columns:1fr 1fr}
  .features{grid-template-columns:1fr 1fr}
  .security-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .nav-links{display:none}
  .hero{padding:64px 0 48px}
  section{padding:48px 0}
  .security{padding:24px}
}