:root{
  --bg:#0a1120; --panel:#101b30; --line:rgba(148,174,214,.18);
  --text:#e6edf7; --muted:#9fb0ca; --teal:#5eead4; --sky:#7dd3fc; --indigo:#818cf8;
  --grad:linear-gradient(120deg,#5eead4,#7dd3fc 45%,#818cf8);
  --radius:16px; --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif; --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.65 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--sky);text-decoration:none}
.mono{font-family:var(--mono)}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:14px max(20px,calc((100% - 1160px)/2));border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
.nav.scrolled{background:rgba(10,17,32,.95);border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:500;font-size:19px;letter-spacing:.2px}
.brand b{font-weight:600;margin-left:2px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.menu{display:flex;align-items:center;gap:28px}
.menu a:not(.btn){color:var(--muted);font-size:15px;font-weight:500;transition:color .2s}
.menu a:not(.btn):hover{color:var(--text)}
.burger{display:none;background:none;border:0;width:40px;height:40px;position:relative;cursor:pointer}
.burger span{position:absolute;left:9px;right:9px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.burger span:first-child{top:15px}.burger span:last-child{top:23px}
.burger[aria-expanded=true] span:first-child{top:19px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:last-child{top:19px;transform:rotate(-45deg)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;border:0;font:500 15.5px var(--font);letter-spacing:.02em;color:#06222a;background:var(--grad);cursor:pointer;transition:transform .25s,box-shadow .25s}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 30px -10px rgba(125,211,252,.55)}
.btn:disabled{opacity:.6;cursor:wait;transform:none}
.btn-sm{padding:9px 20px;font-size:14.5px}
.btn-ghost{background:rgba(148,174,214,.08);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(148,174,214,.16);box-shadow:none}

/* type */
h1,h2,h3{line-height:1.15;margin:0;letter-spacing:-.02em}
h1{font-size:clamp(36px,6vw,64px);font-weight:500;letter-spacing:-.03em;margin:18px 0 26px;max-width:900px}
h2{font-size:clamp(28px,4vw,42px);font-weight:500;letter-spacing:-.03em}
h3{font-size:19px;font-weight:500;letter-spacing:-.01em}
.eyebrow{margin:0;font:400 12.5px var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--teal)}
.lead{font-size:clamp(18px,2.1vw,21px);font-weight:300;color:var(--muted);max-width:700px;margin:0 0 40px}
.sub{color:var(--muted);max-width:660px;margin:14px 0 0}

/* hero */
.hero{display:flex;align-items:center;padding:150px 0 90px}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.trust{list-style:none;display:flex;gap:10px 28px;flex-wrap:wrap;padding:0;margin:44px 0 0;color:var(--muted);font-size:15px}
.trust li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:10px;vertical-align:middle}

/* sections */
.section{padding:100px 0}
.section:nth-of-type(even){background:rgba(15,26,46,.55)}
.sec-head{margin-bottom:48px}
.sec-head h2{margin-top:12px}

/* cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.card p{margin:10px 0 0;color:var(--muted);font-size:15.5px}
.ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;background:linear-gradient(135deg,rgba(94,234,212,.16),rgba(129,140,248,.16));border:1px solid var(--line)}
.ico svg{width:24px;height:24px;fill:none;stroke:var(--teal);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.steps li{position:relative;padding:26px 6px 0;border-top:1px solid var(--line)}
.steps li::before{content:"";position:absolute;top:-1px;left:0;width:48px;height:2px;background:var(--grad)}
.steps .n{color:var(--teal);font-size:14px}
.steps h3{margin:8px 0;font-size:21px}
.steps p{margin:0;color:var(--muted);font-size:15.5px}

/* security */
.split{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:start}
.split .sec-head{margin-bottom:0}
.prose-block p{margin:0 0 16px;color:var(--muted)}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:12px;color:var(--text);font-size:16px}
.checks li{padding-left:28px;position:relative}
.checks li::before{content:"";position:absolute;left:2px;top:.45em;width:7px;height:12px;border:solid var(--teal);border-width:0 2px 2px 0;transform:rotate(45deg)}
.about-line{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.about-line p{margin:0;color:var(--muted);max-width:760px}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.contact h2{margin-top:14px}
.details{margin:32px 0 0;display:grid;gap:4px}
.details dt{font:400 12.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-top:14px}
.details dd{margin:0;color:var(--text)}
.details address{font-style:normal;white-space:pre-line;line-height:1.5}
.reveal-btn{font:500 15px var(--font);color:var(--sky);background:rgba(148,174,214,.08);border:1px solid var(--line);border-radius:999px;padding:8px 18px;cursor:pointer}
.reveal-btn:hover{background:rgba(148,174,214,.16)}
.form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:grid;gap:20px}
label{display:grid;gap:8px;font-size:13.5px;letter-spacing:.02em;color:var(--muted)}
label em{font-style:normal;opacity:.65}
input,select,textarea{width:100%;height:52px;font:400 16px var(--font);color:var(--text);background:#0a1120;border:1px solid var(--line);border-radius:12px;padding:0 16px;outline:0;transition:border-color .2s,box-shadow .2s}
select{appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:44px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%2393a4c0' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='m1 1.500 5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 18px center}
select option{background:#0f1a2e}
textarea{height:auto;min-height:150px;padding:14px 16px;resize:vertical;line-height:1.5}
input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(94,234,212,.12)}
input.err,textarea.err{border-color:#fb7185}
.form .btn{height:52px;margin-top:4px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.status{margin:0;min-height:1.4em;font-size:15px}
.status.ok{color:var(--teal)}.status.bad{color:#fb7185}

/* footer + legal pages */
.footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px}
.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.prose{max-width:760px;padding:130px 0 80px}
.prose h1{font-size:clamp(34px,5vw,48px)}
.prose h2{font-size:24px;margin:36px 0 10px}
.prose p,.prose li{color:var(--muted)}

@media (max-width:960px){
  .grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;gap:34px 20px}
  .contact,.split{grid-template-columns:1fr;gap:36px}
}
@media (max-width:720px){
  body{font-size:16px}
  .burger{display:block}
  .menu{position:fixed;top:64px;left:12px;right:12px;flex-direction:column;align-items:stretch;gap:0;padding:10px;background:#0a1120;border:1px solid var(--line);border-radius:16px;opacity:0;pointer-events:none;transform:translateY(-8px);transition:.25s}
  .menu.open{opacity:1;pointer-events:auto;transform:none}
  .menu a{padding:14px 12px;text-align:center}
  .menu a.btn{margin-top:6px}
  .section{padding:72px 0}
  .hero{padding:120px 0 64px}
  .grid,.two,.steps{grid-template-columns:1fr}
  .form{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}