:root{--bg:#0f0f0f;--panel:#131313;--panel-2:#171717;--text:#f6f6f6;--muted:#b9b9b9;--brand:#21c46b;--brand-2:#1aa75a;--radius:14px}
*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.6 Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;position:relative;z-index:0}
/* Global atmospheric overlay (very subtle multitone) */
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(1100px 620px at 80% 6%, rgba(33,196,107,.055), rgba(0,0,0,0) 68%),
    radial-gradient(900px 520px at 15% 18%, rgba(120,80,200,.045), rgba(0,0,0,0) 65%);
}
.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,10,10,.7);backdrop-filter:saturate(1.1) blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none}
.brand__logo{width:28px;height:28px;display:block;border-radius:6px}
.brand__name{font-weight:600;letter-spacing:.2px}
.nav__links{display:flex;gap:24px;align-items:center}
.nav__links a{color:var(--text);text-decoration:none;opacity:.85;padding-block:2px;line-height:1}
.nav__links a:hover{opacity:1}
/* slight spacing before CTA in the nav for rhythm */
.nav__links .btn{margin-left:6px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 14px;border:1px solid rgba(255,255,255,.14);border-radius:999px;color:var(--text);text-decoration:none;transition:.2s ease, transform .2s ease;background:transparent}
.btn:hover{border-color:rgba(255,255,255,.28)}
.btn--primary{background:linear-gradient(180deg,var(--brand) 0%,var(--brand-2) 100%);color:#06140c;border:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 6px 18px rgba(33,196,107,.18)}
.btn--primary{text-shadow:0 .5px 0 rgba(255,255,255,.08)}
.btn--primary:hover{filter:saturate(1.08);transform:translateY(-1px);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 10px 26px rgba(33,196,107,.24)}
.btn--primary:active{transform:translateY(0);box-shadow:inset 0 1.5px 4px rgba(0,0,0,.25),0 4px 14px rgba(33,196,107,.18)}
.btn--ghost{background:transparent}
.btn--lg{height:48px;padding:0 18px;font-weight:600}

/* Hero */
.hero{padding:84px 0;position:relative}
.hero__inner{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.hero__inner{position:relative;z-index:1}
.hero__copy h1{margin:0 0 32px;font-size:44px;line-height:1.1;letter-spacing:-.02em}
.hero__copy p{margin:0 0 20px;color:var(--muted);max-width:58ch}
.hero__cta{display:flex;gap:16px}
.hero__visual{display:flex;justify-content:center}
.device-frame{background:linear-gradient(180deg,#1b1b1b,#141414);border:1px solid rgba(255,255,255,.08);border-radius:18px;box-shadow:0 14px 52px rgba(0,0,0,.5),0 0 42px rgba(255,255,255,.035), inset 0 1px 0 rgba(255,255,255,.06);padding:5px;overflow:hidden;max-width:min(720px,100%)}
.device-frame img{display:block;max-width:100%;border-radius:12px;transform:scale(1.045);transform-origin:center}

/* Sections */
.section{padding:72px 0}
.section h2{font-size:28px;letter-spacing:-.02em;margin:0 0 20px}
.muted{color:var(--muted)}

/* Features */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:20px;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.card__icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;color:rgba(255,255,255,.85);margin-bottom:10px}
.card__icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.9}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted)}

/* Section surfaces use the same base background; overlays handled globally */

/* How it works */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:var(--panel-2);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:18px}
.badge{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(180deg,var(--brand),var(--brand-2));color:#06140c;font-weight:700;margin-bottom:8px}

/* Pricing/Download */
.pricing .muted{text-align:center}
.download .container{text-align:center}

/* Footer */
.footer{border-top:1px solid rgba(255,255,255,.06);padding:24px 0;background:linear-gradient(180deg, rgba(0,0,0,.32), rgba(0,0,0,.44))}
.footer__inner{display:flex;align-items:center;justify-content:space-between}
.footer__brand{display:flex;align-items:center;gap:10px}
.footer__brand img{width:20px;height:20px;border-radius:4px}

/* Responsive */
@media (max-width: 980px){
  .hero__inner{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
}
@media (max-width: 640px){
  .nav__links{gap:16px}
  .hero__copy h1{font-size:34px}
  .grid{grid-template-columns:1fr}
}