/* ================= kaviya X md — pairing panel ================= */
:root{
  --bg:#07070c;
  --bg-2:#0d0d16;
  --card:rgba(20,20,32,.72);
  --border:rgba(255,255,255,.09);
  --text:#eceef3;
  --muted:#98a0b3;
  --a1:#ff3ea5;          /* magenta */
  --a2:#22d3ee;          /* cyan */
  --ok:#22c55e;
  --warn:#f59e0b;
  --err:#ef4444;
  --radius:18px;
  --maxw:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* ---------- ambient background ---------- */
.glow{position:fixed;border-radius:50%;filter:blur(110px);opacity:.35;pointer-events:none;z-index:0}
.glow-a{width:520px;height:520px;background:var(--a1);top:-180px;left:-140px}
.glow-b{width:460px;height:460px;background:var(--a2);bottom:-160px;right:-120px}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(255,62,165,.10), transparent 70%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 100%);
}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;
  backdrop-filter:blur(14px);
  background:rgba(7,7,12,.72);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:inherit}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  display:grid;place-items:center;font-weight:800;font-size:18px;color:#fff;
  background:linear-gradient(135deg,var(--a1),var(--a2));
  box-shadow:0 6px 20px rgba(255,62,165,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:15px;letter-spacing:.2px}
.brand-text small{color:var(--muted);font-size:12px}
.nav-links{display:flex;gap:6px}
.nav-links a{
  color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;
  padding:8px 14px;border-radius:999px;transition:.2s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;z-index:1;text-align:center;padding:54px 20px 34px;max-width:var(--maxw);margin:0 auto}
.hero-logo{
  width:132px;height:132px;object-fit:cover;border-radius:26px;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 18px 50px rgba(255,62,165,.28), 0 0 0 1px rgba(255,255,255,.05) inset;
  margin-bottom:20px;background:#111;
}
.hero h1{
  font-size:clamp(30px,6vw,50px);font-weight:800;letter-spacing:-.5px;line-height:1.1;
  background:linear-gradient(120deg,#fff 20%,var(--a1) 55%,var(--a2) 85%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.tagline{color:var(--muted);margin-top:10px;font-size:clamp(14px,2.4vw,17px)}

.stats{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:26px}
.stat{
  display:flex;align-items:center;gap:11px;
  padding:12px 18px;border-radius:14px;min-width:150px;
  background:var(--card);border:1px solid var(--border);backdrop-filter:blur(10px);
}
.stat .ico{width:22px;height:22px;fill:var(--a2);flex:0 0 22px}
.stat.online .ico{fill:var(--ok)}
.stat b{display:block;font-size:19px;font-weight:700;line-height:1.2}
.stat span{font-size:12px;color:var(--muted)}

/* ---------- layout ---------- */
main{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 20px 60px;display:grid;gap:22px}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;backdrop-filter:blur(14px);
  box-shadow:0 18px 50px rgba(0,0,0,.32);
}
.card-head{margin-bottom:20px}
.badge{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:#fff;padding:4px 11px;border-radius:999px;margin-bottom:12px;
  background:linear-gradient(135deg,var(--a1),var(--a2));
}
.card-head h2{font-size:clamp(19px,3vw,25px);font-weight:700;margin-bottom:6px}
.card-head p{color:var(--muted);font-size:14.5px}

code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:rgba(255,255,255,.08);padding:2px 7px;border-radius:6px;
  font-size:12.5px;color:#fff;
}

/* ---------- pairing form ---------- */
.pair-form{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.field{flex:1 1 260px;min-width:220px}
.field-label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:500}
.field-wrap{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);border:1px solid var(--border);
  border-radius:13px;padding:0 14px;transition:.2s;
}
.field-wrap:focus-within{border-color:var(--a1);box-shadow:0 0 0 3px rgba(255,62,165,.16)}
.field-prefix{color:var(--muted);font-size:16px}
#phone{
  flex:1;background:none;border:0;outline:none;color:var(--text);
  font-size:16px;padding:14px 0;font-family:inherit;letter-spacing:.5px;
}
#phone::placeholder{color:#5b6273}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 24px;border:0;border-radius:13px;cursor:pointer;
  font-size:15px;font-weight:600;color:#fff;white-space:nowrap;
  background:linear-gradient(135deg,var(--a1),var(--a2));
  box-shadow:0 10px 26px rgba(255,62,165,.30);
  transition:transform .15s, box-shadow .2s, opacity .2s;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,62,165,.42)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn-primary .ico{width:19px;height:19px;fill:#fff}
.btn-primary.loading .ico{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- status ---------- */
.status{margin-top:16px;font-size:14px;display:none}
.status.show{display:block}
.status-box{
  padding:14px 16px;border-radius:13px;border:1px solid var(--border);
  background:rgba(255,255,255,.045);
}
.status.success .status-box{border-color:rgba(34,197,94,.4);background:rgba(34,197,94,.10)}
.status.error   .status-box{border-color:rgba(239,68,68,.4);background:rgba(239,68,68,.10)}
.status.loading .status-box{border-color:rgba(34,211,238,.35);background:rgba(34,211,238,.08)}
.status-msg{color:var(--muted);font-size:13px;margin-bottom:8px}
.status.success .status-msg{color:#8ef0b4}
.status.error   .status-msg{color:#fca5a5}

.pairing-code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:clamp(24px,7vw,40px);font-weight:700;letter-spacing:6px;
  color:#fff;text-align:center;padding:16px 10px;border-radius:12px;cursor:pointer;
  background:linear-gradient(135deg,rgba(255,62,165,.20),rgba(34,211,238,.20));
  border:1px dashed rgba(255,255,255,.25);transition:.2s;user-select:all;
}
.pairing-code:hover{background:linear-gradient(135deg,rgba(255,62,165,.32),rgba(34,211,238,.32))}
.pairing-code.copied{background:rgba(34,197,94,.28);border-color:var(--ok)}
.code-hint{text-align:center;font-size:12.5px;color:var(--muted);margin-top:8px}

.spinner{
  display:inline-block;width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.25);border-top-color:#fff;
  animation:spin .7s linear infinite;vertical-align:-2px;margin-right:6px;
}

/* ---------- steps ---------- */
.steps{list-style:none;margin-top:24px;display:grid;gap:10px}
.steps li{
  display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:12px;
  background:rgba(255,255,255,.035);border:1px solid var(--border);
}
.steps b{
  flex:0 0 26px;height:26px;width:26px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;color:#fff;
  background:linear-gradient(135deg,var(--a1),var(--a2));
}
.steps span{font-size:14.5px;color:#d7dbe4}
.steps span b{display:inline;background:none;color:#fff;font-size:14.5px}

/* ---------- feature grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.tile{
  padding:20px;border-radius:15px;
  background:rgba(255,255,255,.035);border:1px solid var(--border);transition:.2s;
}
.tile:hover{transform:translateY(-3px);border-color:rgba(255,62,165,.35);background:rgba(255,62,165,.07)}
.tile-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:13px;
  background:linear-gradient(135deg,rgba(255,62,165,.22),rgba(34,211,238,.22));
}
.tile-ico svg{width:22px;height:22px;fill:#fff}
.tile h3{font-size:15.5px;margin-bottom:8px;font-weight:650}
.tile p{font-size:13.5px;color:var(--muted);line-height:1.85}

/* ---------- contact ---------- */
.contact-row{display:flex;gap:12px;flex-wrap:wrap}
.btn-secondary{
  display:inline-flex;align-items:center;gap:9px;text-decoration:none;
  padding:13px 20px;border-radius:13px;font-size:14.5px;font-weight:600;color:var(--text);
  background:rgba(255,255,255,.06);border:1px solid var(--border);transition:.2s;
}
.btn-secondary:hover{background:rgba(255,255,255,.11);border-color:rgba(34,211,238,.45);transform:translateY(-2px)}
.btn-secondary .ico{width:19px;height:19px;fill:var(--a2)}

/* ---------- footer ---------- */
footer{
  position:relative;z-index:1;text-align:center;padding:26px 20px 40px;
  border-top:1px solid var(--border);color:var(--muted);font-size:13.5px;
}
footer strong{color:var(--text)}
footer .muted{color:#6b7280;font-size:12.5px;margin-top:6px}

/* ---------- responsive ---------- */
@media(max-width:720px){
  .nav-links{
    display:none;position:absolute;top:66px;right:16px;flex-direction:column;
    background:rgba(13,13,22,.97);border:1px solid var(--border);border-radius:14px;
    padding:8px;min-width:170px;box-shadow:0 14px 34px rgba(0,0,0,.5);
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:flex}
  .card{padding:22px 18px}
  .pair-form{flex-direction:column;align-items:stretch}
  .btn-primary{width:100%}
  .hero{padding:36px 16px 26px}
  .hero-logo{width:104px;height:104px}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}