:root{
  --navy-950:#0a1220; --navy-900:#0f1b2e; --navy-850:#122036; --navy-800:#152741; --navy-700:#1c3454;
  --border:#1e2d47; --border-soft:#182338;
  --ink-100:#eaf0fa; --ink-400:#8ba0c2; --ink-600:#56698a;
  --green:#4ade80; --green-ink:#062e17; --green-soft:rgba(74,222,128,.14); --green-glow:rgba(74,222,128,.16);
  --blue:#5b9bff; --blue-glow:rgba(91,155,255,.18);
  --red:#f0685c; --amber:#eeb85a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--navy-950);color:var(--ink-100);
  font:15px/1.6 system-ui,-apple-system,Segoe UI,sans-serif;min-height:100vh}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:ui-monospace,Consolas,monospace;background:var(--navy-800);
  border:1px solid var(--border-soft);border-radius:4px;padding:1px 5px;font-size:.9em}
.hidden{display:none !important}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.25;margin:0}

/* ---- buttons / form basics (shared with admin panel for brand consistency) ---- */
button,.btn{border:0;border-radius:9px;padding:11px 20px;font:inherit;font-weight:700;cursor:pointer;
  transition:filter .12s,transform .12s;display:inline-flex;align-items:center;gap:8px;justify-content:center}
button:hover,.btn:hover{filter:brightness(1.12)}
button:active,.btn:active{filter:brightness(.94)}
button:disabled{opacity:.5;cursor:not-allowed;filter:none}
.go,.btn-primary{background:var(--green);color:var(--green-ink)}
.halt{background:var(--red);color:#2a0d0a}
.alt,.btn-ghost{background:var(--navy-700);color:var(--ink-100)}
.btn-outline{background:transparent;color:var(--ink-100);border:1px solid var(--border)}
.btn-lg{padding:14px 26px;font-size:16px;border-radius:11px}
.btn-block{width:100%}

input,select{width:100%;background:var(--navy-950);color:var(--ink-100);border:1px solid var(--border);
  border-radius:8px;padding:10px 12px;font:inherit}
input:focus,select:focus{outline:none;border-color:var(--blue)}
label{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--ink-400);margin:0}
.check-row{display:flex;flex-direction:row;align-items:flex-start;gap:9px;font-size:12.5px;color:var(--ink-400)}
.check-row input{width:auto;margin-top:3px}

.pill{font-size:11px;border-radius:999px;padding:3px 10px;border:1px solid var(--border-soft);
  display:inline-block}
.pill.ok{color:var(--green);border-color:rgba(74,222,128,.35);background:rgba(74,222,128,.08)}
.pill.bad{color:var(--red);border-color:rgba(240,104,92,.35);background:rgba(240,104,92,.08)}
.pill.warn{color:var(--amber);border-color:rgba(238,184,90,.35);background:rgba(238,184,90,.08)}
.pill.neutral{color:var(--ink-400)}
.pill.pro{color:var(--blue);border-color:rgba(91,155,255,.35);background:rgba(91,155,255,.08)}

.card{background:linear-gradient(180deg,var(--navy-900),var(--navy-850));border:1px solid var(--border);
  border-radius:16px;padding:24px;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;inset:0 0 auto 0;height:1px;border-radius:16px 16px 0 0;
  background:linear-gradient(90deg,transparent,rgba(74,222,128,.3),transparent)}
.err{color:var(--red);font-size:12.5px;min-height:1.2em}
.note{font-size:12.5px;color:var(--ink-400);line-height:1.55}

/* ---- top nav ---- */
.nav{position:sticky;top:0;z-index:20;background:rgba(10,18,32,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-soft)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 24px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px;color:var(--ink-100)}
.brand .mark{flex-shrink:0;filter:drop-shadow(0 0 8px var(--green-glow))}
.brand .fo{color:var(--green)}
.nav-links{display:flex;align-items:center;gap:22px;font-size:13.5px}
.nav-links a{color:var(--ink-400)}
.nav-links a:hover{color:var(--ink-100);text-decoration:none}

/* ---- hero ---- */
.hero{position:relative;padding:88px 24px 70px;overflow:hidden;text-align:center}
.hero::before{content:'';position:absolute;inset:-20% -10% auto -10%;height:640px;z-index:0;
  background:
    radial-gradient(ellipse 520px 320px at 30% 20%, var(--green-glow), transparent 65%),
    radial-gradient(ellipse 560px 360px at 75% 10%, var(--blue-glow), transparent 65%);
  pointer-events:none}
.hero::after{content:'';position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--border-soft) 1px,transparent 1px),linear-gradient(90deg,var(--border-soft) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 700px 420px at 50% 0%, black, transparent 70%)}
.hero>*{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;
  text-transform:uppercase;letter-spacing:.08em;color:var(--green);background:var(--navy-900);
  border:1px solid var(--border);border-radius:999px;padding:6px 14px;margin-bottom:22px}
.hero h1{font-size:clamp(32px,5.2vw,56px);font-weight:800;letter-spacing:-.02em;max-width:780px;
  margin:0 auto 18px}
.hero h1 .accent{background:linear-gradient(90deg,var(--green),var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:17px;color:var(--ink-400);max-width:560px;margin:0 auto 34px}
.hero-ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.stat-row{display:flex;gap:28px;justify-content:center;flex-wrap:wrap}
.stat{display:flex;flex-direction:column;align-items:center;gap:2px}
.stat .n{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--ink-100);
  font-family:ui-monospace,Consolas,monospace}
.stat .n .live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);
  margin-right:7px;animation:gbg-pulse 1.6s infinite}
.stat .l{font-size:11.5px;color:var(--ink-400);text-transform:uppercase;letter-spacing:.05em}
@keyframes gbg-pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* ---- sections ---- */
section{padding:70px 24px}
.section-head{text-align:center;max-width:600px;margin:0 auto 44px}
.section-head .eyebrow{margin-bottom:14px}
.section-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
.section-head p{color:var(--ink-400);font-size:15px}

.features-tabs{display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:14px;
  max-width:1000px;margin:0 auto}

/* Compact hover-to-expand tabs, standing in for the panel's own tab strip -
   collapsed to just icon+name until you hover (or focus, for keyboard/touch),
   then the real per-tab description grows in below. Fixed width throughout -
   only the height animates, so expanding one never reflows its neighbors.
   The 0fr->1fr grid-row trick (not max-height) animates to the description's
   *actual* height instead of a guessed cap, which is what made it feel snappy
   and uneven before. */
.ftab{background:var(--navy-900);border:1px solid var(--border);border-radius:14px;padding:16px 18px;
  flex:0 0 190px;transition:border-color .2s ease}
.ftab-head{display:flex;align-items:center;gap:9px}
.ftab-head .icon{font-size:18px}
.ftab-head h3{font-size:14px;margin:0;white-space:nowrap}
.ftab-head .pill{margin-left:auto}
.ftab-body{display:grid;grid-template-rows:0fr;opacity:0;
  transition:grid-template-rows .38s cubic-bezier(.4,0,.2,1),opacity .3s ease,margin-top .38s cubic-bezier(.4,0,.2,1)}
.ftab-body>p{overflow:hidden;min-height:0;margin:0;font-size:12.5px;color:var(--ink-400);line-height:1.6}
.ftab:hover,.ftab:focus-within{border-color:rgba(74,222,128,.35)}
.ftab:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.ftab:hover .ftab-body,.ftab:focus-within .ftab-body{grid-template-rows:1fr;opacity:1;margin-top:10px}

/* Remote control (Pro) - same hover-expand behavior as the other tabs, just
   wider (fits the badge) and blue-accented to match its "Pro" pill. */
.ftab.pro{flex-basis:215px;border-color:rgba(91,155,255,.3)}
.ftab.pro:hover,.ftab.pro:focus-within{border-color:rgba(91,155,255,.55)}

.changelog{max-width:640px;margin:0 auto}
.change{display:grid;grid-template-columns:88px 1fr;gap:20px;padding:18px 0;
  border-top:1px solid var(--border-soft)}
.change:first-child{border-top:0}
.change .ver{font-weight:800;color:var(--green);font-size:13px;font-variant-numeric:tabular-nums;
  font-family:ui-monospace,Consolas,monospace}
.change .date{font-size:11px;color:var(--ink-600);margin-top:3px}
.change .tag{font-size:10.5px;color:var(--ink-400);margin-top:4px;text-transform:uppercase;letter-spacing:.06em}
.change ul{margin:2px 0 0;padding-left:18px;color:var(--ink-400);font-size:13.5px;line-height:1.7}
.change ul li::marker{color:var(--border)}

.pricing-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;
  max-width:800px;margin:0 auto}
.pricing-card{flex:1 1 320px;max-width:360px;text-align:center;position:relative;overflow:hidden}
.pricing-card::before{content:'';position:absolute;inset:0;z-index:0;
  background:radial-gradient(ellipse 300px 200px at 50% -10%, var(--green-glow), transparent 70%)}
.pricing-card.pro::before{background:radial-gradient(ellipse 300px 200px at 50% -10%, var(--blue-glow), transparent 70%)}
.pricing-card>*{position:relative;z-index:1}
.price{font-size:42px;font-weight:800;margin:14px 0 4px;font-family:ui-monospace,Consolas,monospace}
.price small{font-size:14px;color:var(--ink-400);font-weight:600;font-family:system-ui,-apple-system,Segoe UI,sans-serif}
.plan-features{list-style:none;padding:0;margin:20px 0 26px;text-align:left;font-size:13.5px;color:var(--ink-400)}
.plan-features li{padding:6px 0;display:flex;gap:9px;align-items:flex-start}
.plan-features li::before{content:'✓';color:var(--green);font-weight:800}

footer{border-top:1px solid var(--border-soft);padding:36px 24px;text-align:center}
footer .foot-links{display:flex;gap:18px;justify-content:center;font-size:12.5px;color:var(--ink-400);margin-bottom:10px}
footer .disclaimer{font-size:11.5px;color:var(--ink-400);max-width:520px;margin:0 auto;line-height:1.6}

@media (max-width:640px){
  .hero{padding:64px 20px 50px}
  section{padding:48px 20px}
  .change{grid-template-columns:1fr}
}