:root{
  --bg:#050d1b; --bg2:#0a2341; --panel:rgba(10,30,59,.78); --line:rgba(91,222,255,.24);
  --text:#f2fbff; --muted:#a9c4d9; --cyan:#47e5ff; --blue:#2889ff; --gold:#f2bc4f;
  --shadow:0 30px 80px rgba(0,0,0,.38);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--text);
  background:
    radial-gradient(circle at 80% 5%,rgba(37,132,216,.20),transparent 30%),
    radial-gradient(circle at 10% 40%,rgba(35,234,255,.09),transparent 25%),
    linear-gradient(145deg,var(--bg),#08182d 55%,#0a1930);
}
button,input,a{font:inherit}
button,a{tap-highlight-color:transparent}
.topbar{height:78px;max-width:1180px;margin:auto;padding:0 22px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:900;letter-spacing:.12em}
.brand img{width:42px;height:42px;object-fit:contain}
.top-actions{display:flex;gap:10px}
.ghost,.secondary,.primary{border:0;border-radius:12px;min-height:44px;padding:0 16px;font-weight:850;cursor:pointer}
.ghost{color:#dff7ff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
.linkbtn{display:inline-flex;align-items:center;text-decoration:none}
.primary{color:#04101c;background:linear-gradient(90deg,var(--cyan),#54c0ff);box-shadow:0 10px 28px rgba(64,215,255,.20)}
.secondary{color:white;background:linear-gradient(90deg,#1d6fb0,#1d91bc)}
.full{width:100%}
.hero{max-width:1180px;min-height:560px;margin:auto;padding:75px 22px 55px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:70px}
.eyebrow{display:inline-block;color:#85efff;font-size:13px;font-weight:950;letter-spacing:.22em;margin-bottom:14px}
.hero h1{font-size:clamp(42px,6vw,74px);line-height:1.02;letter-spacing:-.045em;margin:0 0 22px;max-width:800px}
.hero p{max-width:650px;color:var(--muted);font-size:20px;line-height:1.65}
.cta{display:inline-flex;text-decoration:none;align-items:center;margin-top:14px;min-height:54px;padding:0 24px}
.hero-device{display:flex;justify-content:center}
.tv-card{width:min(420px,100%);aspect-ratio:16/11;border-radius:30px;border:1px solid rgba(97,235,255,.30);background:linear-gradient(145deg,rgba(20,55,95,.9),rgba(9,20,42,.94));box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}
.tv-card:before{content:"";position:absolute;inset:-30%;background:radial-gradient(circle,rgba(65,229,255,.19),transparent 45%);transform:rotate(-15deg)}
.tv-card img{width:180px;position:relative;filter:drop-shadow(0 0 20px rgba(61,229,255,.25))}
.pair-pill{position:relative;margin-top:18px;padding:11px 24px;border:2px solid var(--gold);border-radius:13px;background:rgba(130,73,37,.55);font-size:28px;font-weight:950;letter-spacing:.25em}
.tv-card small{position:relative;margin-top:12px;color:#a8d7eb;font-weight:750}
.connect-section{max-width:1180px;margin:45px auto 80px;padding:0 22px;display:grid;grid-template-columns:1fr 480px;gap:65px;align-items:start}
.section-copy h2{font-size:42px;margin:0 0 16px}.section-copy>p{color:var(--muted);font-size:18px;line-height:1.65}
.security-note{margin-top:30px;padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(10,39,65,.55);display:flex;gap:14px}
.lock{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#1b7358;color:#8fffc8;font-weight:950}
.security-note p{margin:5px 0 0;color:var(--muted);line-height:1.5}
.pair-card{padding:25px;border:1px solid var(--line);border-radius:22px;background:var(--panel);backdrop-filter:blur(18px);box-shadow:var(--shadow)}
.pair-card label{display:block;margin:17px 0 0;font-weight:800;color:#d9effa}
.pair-card input{width:100%;height:56px;margin-top:8px;border:1px solid rgba(100,220,255,.32);border-radius:12px;background:#071a31;color:#fff;padding:0 14px;font-size:18px;outline:none}
.pair-card input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(71,229,255,.12)}
.scanner-wrap video{width:100%;margin-top:14px;border-radius:14px;background:#000;max-height:340px}
.status{min-height:18px;color:#9fc1d6;font-size:14px}
.separator{display:flex;align-items:center;gap:12px;color:#7998ae;margin:18px 0 10px}
.separator:before,.separator:after{content:"";height:1px;background:rgba(116,178,211,.18);flex:1}
.result{margin-top:16px;padding:14px;border:1px solid rgba(92,245,177,.4);border-radius:12px;background:rgba(23,104,75,.22);color:#cfffe9;line-height:1.5}
.features{max-width:1180px;margin:0 auto 90px;padding:0 22px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.features article{padding:25px;border:1px solid rgba(126,211,255,.14);border-radius:18px;background:rgba(10,25,48,.52)}
.feature-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:13px;background:rgba(49,197,238,.14);color:#7cecff;font-weight:950}
.features h3{margin:18px 0 8px}.features p{margin:0;color:var(--muted);line-height:1.55}
footer{max-width:1180px;margin:auto;padding:30px 22px 45px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;color:#708da5;font-size:14px}
.sheet{position:fixed;inset:0;z-index:20;background:rgba(0,0,0,.64);display:flex;align-items:flex-end;justify-content:center;padding:16px}
.sheet[hidden]{display:none}.sheet-card{width:min(520px,100%);padding:24px;border-radius:22px;background:#0a1c34;border:1px solid var(--line);box-shadow:var(--shadow)}
.lang-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.lang-grid button{height:46px;border:0;border-radius:12px;background:#123358;color:#fff;font-weight:800}
.legal{max-width:800px;margin:55px auto 120px;padding:0 22px}.legal h1{font-size:52px;margin:0 0 22px}.legal p{color:#b8ccdc;line-height:1.8;font-size:17px}
body[dir=rtl]{font-family:Tahoma,Arial,sans-serif}body[dir=rtl] .hero-copy,body[dir=rtl] .section-copy,body[dir=rtl] .pair-card{text-align:right}
@media(max-width:850px){
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:48px;gap:35px}.hero-device{order:-1}.tv-card{max-width:420px}
  .connect-section{grid-template-columns:1fr}.features{grid-template-columns:1fr}.connect-section{gap:28px}
}
@media(max-width:520px){
  .topbar{height:66px;padding:0 14px}.brand span{display:none}.top-actions{gap:6px}.ghost{padding:0 11px}
  .hero{padding:40px 16px 35px}.hero h1{font-size:44px}.hero p{font-size:17px}
  .connect-section,.features{padding-left:16px;padding-right:16px}.pair-card{padding:18px}
  .pair-pill{font-size:24px}.lang-grid{grid-template-columns:1fr}.section-copy h2{font-size:34px}
  footer{padding-left:16px;padding-right:16px;gap:15px;flex-direction:column}
}


/* TIVEXA STAGE 5.2B — LIVE PAIRING */
.result.is-success{border-color:rgba(92,245,177,.62);background:rgba(23,104,75,.34);color:#d9ffec;font-weight:850}
.result.is-error{border-color:rgba(255,154,95,.50);background:rgba(125,55,24,.24);color:#ffd4b7}
button:disabled{opacity:.58;cursor:not-allowed}