:root{--ink:#07111b;--navy:#0a1824;--panel:#102333;--line:#d9e4eb;--text:#ecf5fa;--muted:#a9bdc9;--darkmuted:#5f7482;--red:#e5252e;--green:#00a67a;--gold:#e0a51d;--cyan:#2ee8ff;--white:#fff}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f3f7fa;color:#142431;line-height:1.55} a{text-decoration:none;color:inherit}.wrap{width:min(1200px,calc(100% - 36px));margin:0 auto}
header{position:sticky;top:0;z-index:20;background:rgba(7,17,27,.96);border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 12px 36px rgba(0,0,0,.18)}
nav{height:78px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;height:52px}.brand img{height:52px;width:auto;display:block}.brand span{color:var(--red)}.nav{margin-left:auto;display:flex;gap:24px;color:#c8d6de;font-size:15px;font-weight:700}.nav a:hover,.nav a.active{color:var(--white)}
.btn{height:48px;display:inline-flex;align-items:center;justify-content:center;padding:0 22px;border-radius:6px;font-weight:800;background:var(--red);color:var(--white);border:1px solid var(--red);box-shadow:0 12px 22px rgba(229,37,46,.2)}.btn.secondary{background:transparent;border-color:#436070;color:#fff;box-shadow:none}.btn.light{background:#fff;color:#122432;border-color:#fff;box-shadow:none}.btn.outline{background:transparent;border-color:var(--red);color:var(--red);box-shadow:none;height:44px;padding:0 18px}
footer{background:#07111b;color:#849ba9;padding:30px 0;font-size:14px}
section{padding:64px 0}.section-title{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin-bottom:30px}.section-title h2{font-size:38px;line-height:1.08;margin:0;color:#102231}.section-title p{margin:0;color:var(--darkmuted);max-width:630px;font-size:17px}
@keyframes barMove{0%{background-position:0 0}100%{background-position:220% 0}}

/* crumbs */
.crumbs{padding:16px 0;color:#7c93a1;font-size:14px}.crumbs a{color:#9fb5c3}.crumbs a:hover{color:#fff}.crumbs span{color:#4d6472}

/* hero (used on hub + device pages) */
.page-hero{background:radial-gradient(circle at 76% 18%,rgba(46,232,255,.18),transparent 26%),radial-gradient(circle at 18% 78%,rgba(0,166,122,.16),transparent 28%),linear-gradient(135deg,#07111b 0%,#0c2435 52%,#101926 100%);color:var(--text);padding:20px 0 54px;position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:linear-gradient(90deg,var(--red),var(--green),var(--gold),var(--cyan));background-size:220% 100%;animation:barMove 5s linear infinite}
.eyebrow{font-size:14px;text-transform:uppercase;letter-spacing:2px;color:#73e2c0;font-weight:900}
.page-hero h1{font-size:clamp(32px,4.4vw,54px);line-height:1.06;margin:14px 0 16px;max-width:820px}
.page-hero p.lead{font-size:19px;color:#c8d7e0;max-width:720px;margin:0}

/* device hub grid */
.device-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.device-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;box-shadow:0 16px 36px rgba(15,35,50,.08);display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden}
.device-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,var(--red),var(--green),var(--cyan));background-size:220% 100%;animation:barMove 5s linear infinite}
.device-card .icon{width:54px;height:54px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(0,166,122,.1)}
.device-card .icon svg{width:28px;height:28px}
.device-card h3{margin:0;font-size:22px;color:#102231}
.device-card p{margin:0;color:var(--darkmuted);font-size:15.5px}
.device-card .tag{font-size:12.5px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;color:var(--darkmuted)}
.device-card a.btn{align-self:flex-start;margin-top:4px;height:44px;padding:0 18px}
.device-card.soon{opacity:.65}
.btn.disabled{align-self:flex-start;margin-top:4px;opacity:.6;cursor:not-allowed;pointer-events:none}

/* step list (device sub-pages) */
.steps{display:grid;gap:14px}
.step-row{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px}
.step-row b{flex:0 0 auto;width:38px;height:38px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px}
.step-row .body h3{margin:0 0 6px;font-size:18.5px;color:#102231}
.step-row .body p{margin:0;color:var(--darkmuted)}

.info-box{border-left:4px solid var(--gold);background:#fdf6e3;color:#6b5104;border-radius:8px;padding:16px 18px;margin:22px 0;font-size:15px}
.info-box b{color:#4a3800}
.info-box.alt{border-left-color:var(--green);background:#e7f8f2;color:#0a5c43}
.info-box.alt b{color:#053f2d}

.cta{background:linear-gradient(135deg,#e5252e,#b81722);color:#fff;border-radius:12px;padding:40px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.cta h2{font-size:30px;margin:0 0 8px}.cta p{margin:0;color:#ffe0e2;font-size:16.5px}

.back-link{display:inline-flex;align-items:center;gap:8px;color:#9fb5c3;font-weight:700;font-size:15px;margin-bottom:18px}
.back-link:hover{color:#fff}

.lang-switch{display:flex;align-items:center;gap:6px;margin-right:6px}
.lang-flag{width:30px;height:20px;border-radius:4px;overflow:hidden;display:flex;opacity:.5;transition:opacity .15s;border:1px solid rgba(255,255,255,.18)}
.lang-flag:hover{opacity:.85}
.lang-flag.active{opacity:1;border-color:rgba(255,255,255,.5)}
.lang-flag svg,.lang-flag img{width:100%;height:100%;display:block;object-fit:cover}

.download-box{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 26px;margin:24px 0 10px;box-shadow:0 16px 36px rgba(15,35,50,.08);flex-wrap:wrap}
.download-info{display:flex;align-items:center;gap:16px}
.download-info h3{margin:0 0 2px;font-size:19px;color:#102231}
.download-info p{margin:0;color:var(--darkmuted);font-size:14.5px}
.small-url{color:var(--darkmuted);font-size:14px;margin:0 0 26px}

/* mobile nav toggle */
.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;background:none;border:0;cursor:pointer;padding:0}
.menu-toggle span{display:block;width:100%;height:3px;background:#fff;border-radius:2px;transition:transform .2s,opacity .2s}
.menu-toggle.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

@media(max-width:900px){
  nav.wrap{flex-wrap:wrap;row-gap:12px;height:auto;padding:14px 0}
  .menu-toggle{display:flex;order:1;margin-left:auto}
  .lang-switch{order:2;margin-right:0}
  nav.wrap>.btn.secondary,nav.wrap>.btn.outline{order:3}
  .nav{display:none;order:10;width:100%;flex-direction:column;gap:0;margin-left:0;padding-top:8px;border-top:1px solid rgba(255,255,255,.1)}
  .nav.open{display:flex}
  .nav a{padding:13px 4px;border-bottom:1px solid rgba(255,255,255,.06)}
  .device-grid,.cta,.download-box{grid-template-columns:1fr}
  .cta .btn{width:100%}
  .section-title{display:block}
  .section-title h2{font-size:30px}
  .download-box{flex-direction:column;align-items:stretch;text-align:center}
  .download-box .btn{width:100%}
}