:root{
  --bg:#ffffff; --bg2:#F7F8FA; --ink:#0E1116; --ink2:#474F5C; --ink3:#717A86;
  --accent:#0066FF; --accent2:#5B9BFF; --accent-soft:rgba(0,102,255,.10);
  --line:rgba(14,17,22,.09); --line2:rgba(14,17,22,.15);
  --maxw:1120px; --readw:780px;
  --font:'Inter Tight',system-ui,-apple-system,sans-serif;
  --display:'Space Grotesk','Inter Tight',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:82px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.read{max-width:var(--readw);margin:0 auto;padding:0 28px}
.charwave{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:0}
main,footer{position:relative;z-index:1}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--accent);margin:0 0 16px}
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.02em;line-height:1.1;margin:0}

.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:-.02em}
.brand b{color:var(--accent)}
.navlinks{display:flex;align-items:center;gap:28px;font-size:14.5px;color:var(--ink2)}
.navlinks a:hover{color:var(--ink)}
.navlinks .nav-cta{font-family:var(--mono);font-size:13px;color:var(--accent);border:1px solid var(--accent);padding:7px 14px;border-radius:7px}
.navlinks .nav-cta:hover{background:var(--accent-soft)}
.navlinks .nav-primer{font-family:var(--mono);font-size:13px;color:#fff;background:var(--accent);padding:8px 15px;border-radius:7px}
.navlinks .nav-primer:hover{background:var(--accent2);color:#fff}
.navtoggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:38px;padding:9px;background:none;border:1px solid var(--line);border-radius:8px;cursor:pointer}
.navtoggle span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav.open .navtoggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .navtoggle span:nth-child(2){opacity:0}
.nav.open .navtoggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:720px){
  .navtoggle{display:inline-flex}
  .navlinks{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(13,18,32,.10);padding:8px 0;display:none}
  .nav.open .navlinks{display:flex}
  .navlinks a{padding:14px 22px;font-size:16px}
  .navlinks .nav-primer,.navlinks .nav-cta{margin:8px 22px;text-align:center;justify-content:center;padding:13px 15px}
}

.phero{padding:74px 0 36px}
.phero .eyebrow{margin-bottom:18px}
.phero h1{font-size:clamp(31px,5vw,52px);max-width:20ch}
.phero .lead{font-size:clamp(17px,2vw,21px);color:var(--ink2);max-width:60ch;margin:22px 0 30px}

.prose{padding:16px 0 30px}
.prose h2{font-size:clamp(24px,3.2vw,33px);margin:48px 0 14px}
.prose h3{font-size:20px;margin:30px 0 10px}
.prose p{margin:0 0 16px;color:var(--ink)}
.prose ul{margin:0 0 18px;padding-left:2px;list-style:none}
.prose li{margin:0 0 11px;padding-left:26px;position:relative}
.prose li::before{content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;background:var(--accent);border-radius:2px}
.prose strong{font-weight:600}
.prose a:not(.btn){color:var(--accent);border-bottom:1px solid rgba(0,102,255,.3)}

.callout{background:var(--ink);color:#fff;border-radius:20px;padding:36px 38px;margin:40px 0;position:relative;overflow:hidden}
.callout .k{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--accent2);margin-bottom:14px}
.callout .big{font-family:var(--display);font-weight:700;font-size:clamp(26px,4vw,40px);letter-spacing:-.02em;line-height:1.06}
.callout .big b{color:var(--accent2)}
.callout p{color:#C9CFD8;margin:14px 0 0;font-size:16px;max-width:54ch}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:26px 0}
@media(max-width:760px){.cards{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 24px}
.card .k{font-family:var(--mono);font-size:12px;color:var(--accent);margin-bottom:11px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--ink2);margin:0;line-height:1.55}

.faq{margin:26px 0}
.faq-item{border:1px solid var(--line);border-radius:13px;margin-bottom:12px;background:#fff;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:19px 22px;font-family:var(--display);font-weight:500;font-size:17px;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q:hover{color:var(--accent)}
.faq-q .ar{color:var(--accent);font-size:22px;line-height:1;transition:transform .25s;flex:0 0 auto}
.faq-item.open .faq-q .ar{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a > div{padding:0 22px 20px;color:var(--ink2);font-size:15.5px;line-height:1.6}
.faq-item.open .faq-a{max-height:700px}

.cta{background:var(--accent-soft);border-radius:22px;padding:44px 40px;text-align:center;margin:52px 0 10px}
.cta h2{font-size:clamp(25px,3.4vw,36px);margin-bottom:12px}
.cta p{color:var(--ink2);max-width:50ch;margin:0 auto 26px}

.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-weight:600;font-size:15.5px;padding:14px 24px;border-radius:10px;position:relative;overflow:hidden;transition:transform .15s ease}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary::after{content:"";position:absolute;top:0;left:-130%;width:55%;height:100%;background:linear-gradient(110deg,transparent,rgba(255,255,255,.42),transparent);transform:skewX(-18deg);animation:sweep 4.6s ease-in-out infinite}
@keyframes sweep{0%,58%{left:-130%}82%,100%{left:170%}}
.btn-primary .wa{width:17px;height:17px;fill:#fff}
.btn-ghost{border:1px solid var(--line2);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--ink);background:var(--bg2)}

footer{border-top:1px solid var(--line);padding:40px 0 56px;margin-top:44px}
.foot{display:flex;flex-wrap:wrap;gap:14px 24px;justify-content:space-between;align-items:center}
.foot .fb{font-family:var(--display);font-weight:700;font-size:18px}
.foot .fb b{color:var(--accent)}
.foot .fmeta{font-family:var(--mono);font-size:12.5px;color:var(--ink3);display:flex;flex-wrap:wrap;gap:8px 20px}
.foot .fmeta a:hover{color:var(--accent)}

.wa-float{position:fixed;right:22px;bottom:22px;z-index:90;display:flex;align-items:center;background:var(--accent);color:#fff;border-radius:999px;padding:15px;box-shadow:0 10px 28px rgba(0,102,255,.38)}
.wa-float .wa{width:26px;height:26px;fill:#fff}
.wa-float::before{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--accent);z-index:-1;animation:waPulse 2.8s ease-out infinite}
@keyframes waPulse{0%{transform:scale(1);opacity:.5}70%,100%{transform:scale(1.65);opacity:0}}
@media(max-width:520px){.wa-float{right:15px;bottom:15px}}

.js .rv{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none}.btn-primary::after,.wa-float::before{animation:none}}