*{box-sizing:border-box}
:root{
  --bg:#0b0d12; --panel:#111420; --muted:#aab1c5; --text:#e8ecf8; --accent:#7a5cff; --accent2:#00d4ff; --line:#1a2030; --nav-h:112px;
}
html,body{height:100%}
body{
  margin:0; font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; color:var(--text); background:radial-gradient(1200px 800px at 80% -20%, rgba(122,92,255,.25), transparent 60%), linear-gradient(180deg, #0b0d12 0%, #0b0d12 100%); padding-top:calc(var(--nav-h) + 10px);
}
.container{width:min(1180px,92%); margin:0 auto}

/* Nav */
.nav{position:fixed; top:0; left:0; right:0; z-index:100; backdrop-filter:saturate(180%) blur(10px); background:rgba(11,13,18,.6); border-bottom:1px solid var(--line)}
.nav__row{display:flex; align-items:center; justify-content:space-between; padding:14px 0}
.brand{display:flex; align-items:center; gap:10px; color:var(--text); text-decoration:none}
.brand__logo{width:84px; height:84px}
.brand__text{font-weight:700; letter-spacing:.2px}
.menu{display:flex; gap:18px}
.menu a{color:var(--muted); text-decoration:none; font-weight:500}
.menu a:hover{color:var(--text)}
.actions{display:flex; gap:10px}

/* Buttons */
.btn{--b:var(--accent); display:inline-flex; align-items:center; justify-content:center; gap:8px; border:1px solid var(--b); background:linear-gradient(180deg, var(--accent), #5a3cff); color:white; padding:10px 16px; border-radius:12px; text-decoration:none; font-weight:600; transition:.2s transform,.2s box-shadow}
.btn:hover{transform:translateY(-1px); box-shadow:0 10px 24px rgba(122,92,255,.35)}
.btn--ghost{border-color:#2b3250; background:rgba(255,255,255,.03); color:var(--text)}
.btn--ghost:hover{box-shadow:0 10px 24px rgba(0,212,255,.15); border-color:#3a4366}
.btn--lg{padding:14px 22px; border-radius:14px}
.badge{color:#c3c9de; background:#151a2a; border:1px solid #232a42; padding:6px 10px; border-radius:999px; font-size:13px}
.sep{color:#2f3754}

/* Hero */
.hero{position:relative; padding:96px 0 40px; overflow:hidden}
.hero__grid{display:grid; grid-template-columns:1.2fr 1fr; gap:34px; align-items:center}
.hero h1{font-size:44px; line-height:1.1; margin:0 0 14px}
.lead{color:#c9cfe2; font-size:18px; line-height:1.6; margin:0 0 20px}
.cta{display:flex; gap:12px; margin:20px 0}
.trust{display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:8px}
.hero__media .device{background:linear-gradient(180deg,#0f1426,#0c1120); border:1px solid #1a2032; border-radius:18px; padding:18px}
.hero__media img{width:100%; display:block}
.bg-orb{position:absolute; filter:blur(60px); opacity:.5}
.bg-orb--1{width:420px; height:420px; right:-100px; top:-80px; background:radial-gradient(circle at 30% 30%, var(--accent2), transparent 60%)}
.bg-orb--2{width:420px; height:420px; left:-120px; bottom:-120px; background:radial-gradient(circle at 70% 70%, var(--accent), transparent 60%)}

/* Sections */
.section{padding:72px 0; border-top:1px solid var(--line); scroll-margin-top:calc(var(--nav-h) + 14px)}
.section--alt{background:linear-gradient(180deg,#0b0d12,#0e1120)}
.section h2{font-size:32px; margin:0 0 10px}
.section__lead{color:#c3c9de; margin:0 0 26px}
.cards{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
.card{background:var(--panel); border:1px solid #1a2136; border-radius:16px; padding:18px}
.card h3{margin:0 0 8px; font-size:18px}
.card p{margin:0; color:#c3c9de}

.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:24px; align-items:center}
.panel{background:var(--panel); border:1px solid #1a2136; border-radius:16px; padding:18px}
.hint{color:#dfe4f7}
.mini-metrics{display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:12px}
.mini-metrics .label{display:block; color:#8f97b1; font-size:12px}
.mini-metrics .val{font-weight:700}

.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
.step{background:var(--panel); border:1px solid #1a2136; border-radius:14px; padding:16px}
.step__num{display:inline-flex; width:28px; height:28px; align-items:center; justify-content:center; background:#161c2e; color:#8fa2ff; border:1px solid #2a3353; border-radius:50%; font-weight:700; margin-bottom:8px}

/* CTA */
.section--cta{background:linear-gradient(180deg,#0b0d12,#0d1020); position:relative}
.cta__box{background:linear-gradient(180deg,#0e1224,#0c1022); border:1px solid #1b2238; border-radius:18px; padding:22px; text-align:center}
.cta__form{display:flex; gap:10px; justify-content:center; flex-wrap:wrap; margin-top:14px}
.cta__form input{background:#0f1426; border:1px solid #1b2238; color:var(--text); padding:12px 14px; border-radius:12px; outline:none; width:min(320px,40vw)}
.form__note{color:#8e96af; font-size:12px}
.social{display:flex; gap:10px; justify-content:center; margin-top:14px}

/* FAQ */
.faq details{background:var(--panel); border:1px solid #1a2136; border-radius:12px; padding:12px 14px}
.faq details+details{margin-top:10px}
.faq summary{cursor:pointer; font-weight:600}
.faq p{color:#c3c9de}

/* Footer */
.footer{border-top:1px solid var(--line); padding:20px 0; color:#9aa3bd}
.footer__row{display:flex; gap:10px; align-items:center; justify-content:space-between}
.brand--foot .brand__logo{width:84px; height:84px}
.foot__links{display:flex; gap:16px}
.foot__links a{color:#c3c9de; text-decoration:none}

/* Brand row */
.brand-row{display:flex; align-items:center; gap:18px; flex-wrap:wrap; margin-top:18px; opacity:.95}
.brand-row__img{height:36px; width:auto; display:block; border-radius:8px}
.brand-row__img--invert{filter:brightness(1.15) saturate(1.05)}

/* Responsive */
@media (max-width: 980px){
  :root{ --nav-h:92px; }
  .brand__logo{width:64px; height:64px}
  .brand--foot .brand__logo{width:64px; height:64px}
  .hero__grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .nav__row{gap:10px}
  .menu{display:none}
}

/* Small phones */
@media (max-width: 640px){
  :root{ --nav-h:88px; }
  .brand__logo{width:56px; height:56px}
  .brand--foot .brand__logo{width:56px; height:56px}
  .hero{padding:84px 0 32px}
  .hero h1{font-size:32px}
  .lead{font-size:16px}
  .cards{grid-template-columns:1fr}
  .mini-metrics{grid-template-columns:repeat(2,1fr)}
  .section{padding:56px 0}
  .cta__form input{width:100%}
  .cta__box{padding:16px}
}