/* Vision Thrusters LLC — dark aerospace/telemetry theme. Pure CSS, no external assets. */
:root{
  --void:#070a12; --deep:#0b1020; --panel:#111832; --line:#1e2947;
  --ink:#e8edf9; --dim:#93a1c0; --dimmer:#6b7a9c;
  --flame:#ff6a2b; --ember:#ffb43c; --ion:#3ad8ff; --plasma:#7c6cff;
  --edge:rgba(58,216,255,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--void);
  font:16px/1.7 ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
/* starfield + nebula wash, fixed behind everything */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 600px at 78% -10%,rgba(124,108,255,.20),transparent 70%),
    radial-gradient(700px 500px at 12% 8%,rgba(58,216,255,.13),transparent 70%),
    radial-gradient(1000px 700px at 50% 108%,rgba(255,106,43,.12),transparent 70%),
    var(--void);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.55;
  background-image:
    radial-gradient(1px 1px at 12% 22%,#fff,transparent),radial-gradient(1px 1px at 28% 68%,#cfe6ff,transparent),
    radial-gradient(1px 1px at 41% 14%,#fff,transparent),radial-gradient(1px 1px at 58% 46%,#bcd8ff,transparent),
    radial-gradient(1px 1px at 66% 82%,#fff,transparent),radial-gradient(1px 1px at 79% 31%,#e8f2ff,transparent),
    radial-gradient(1px 1px at 88% 61%,#fff,transparent),radial-gradient(1px 1px at 7% 88%,#cfe6ff,transparent),
    radial-gradient(1px 1px at 34% 92%,#fff,transparent),radial-gradient(1px 1px at 94% 12%,#fff,transparent);
  animation:drift 90s linear infinite;
}
@keyframes drift{from{transform:translateY(0)}to{transform:translateY(-40px)}}

.wrap{max-width:960px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}

/* ── header ─────────────────────────────────────────── */
header{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);
  background:rgba(7,10,18,.72);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);
  font-weight:650;letter-spacing:.02em;font-size:16px}
.brand:hover .mark{transform:translateX(2px)}
.mark{width:26px;height:26px;flex:none;transition:transform .3s ease}
nav a{color:var(--dim);text-decoration:none;font-size:14px;margin-left:24px;letter-spacing:.02em}
nav a:hover{color:var(--ion)}

/* ── hero ───────────────────────────────────────────── */
.hero{position:relative;overflow:hidden;padding:104px 0 96px;border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:11.5px;letter-spacing:.20em;text-transform:uppercase;color:var(--ion);
  border:1px solid var(--edge);border-radius:999px;padding:6px 14px;background:rgba(58,216,255,.06)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--ion);box-shadow:0 0 10px var(--ion);
  animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.hero h1{font-size:clamp(38px,6.4vw,66px);line-height:1.03;letter-spacing:-.035em;margin:26px 0 0;font-weight:680}
.hero h1 .glow{
  background:linear-gradient(96deg,var(--ion),var(--plasma) 42%,var(--flame) 88%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{font-size:19.5px;color:var(--dim);max-width:640px;margin:22px 0 0}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{display:inline-block;text-decoration:none;font-size:14.5px;font-weight:600;letter-spacing:.01em;
  padding:12px 22px;border-radius:10px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn-primary{color:#0a0d16;background:linear-gradient(96deg,var(--ember),var(--flame));
  box-shadow:0 8px 30px rgba(255,106,43,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 38px rgba(255,106,43,.42)}
.btn-ghost{color:var(--ink);border:1px solid var(--line);background:rgba(17,24,50,.6)}
.btn-ghost:hover{border-color:var(--edge);transform:translateY(-2px)}

/* the thruster: a plume that burns behind the hero text */
.thruster{position:absolute;right:3%;top:6%;width:290px;height:auto;pointer-events:none;opacity:.95;
  animation:hover 7s ease-in-out infinite}
@keyframes hover{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.plume{transform-origin:50% 0%;animation:burn 1.5s ease-in-out infinite alternate}
@keyframes burn{from{transform:scaleY(.86) scaleX(1.03);opacity:.85}to{transform:scaleY(1.1) scaleX(.95);opacity:1}}
.spark{animation:rise 2.6s linear infinite}
.spark:nth-child(2){animation-duration:3.4s;animation-delay:-1.1s}
.spark:nth-child(3){animation-duration:2.1s;animation-delay:-.6s}
@keyframes rise{0%{transform:translateY(0);opacity:0}20%{opacity:.9}100%{transform:translateY(-190px);opacity:0}}

/* ── telemetry strip ────────────────────────────────── */
.strip{border-bottom:1px solid var(--line);background:rgba(11,16,32,.66)}
.strip .wrap{display:grid;grid-template-columns:repeat(4,auto);justify-content:space-between;gap:14px 28px;padding:20px 24px;white-space:nowrap;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;letter-spacing:.10em;
  text-transform:uppercase;color:var(--dimmer)}
.strip b{color:var(--ink);font-weight:600;letter-spacing:.04em}
@media (max-width:1000px){.strip .wrap{white-space:normal}}

/* ── sections ───────────────────────────────────────── */
main{padding:0 0 8px}
section{padding:76px 0}
section+section{border-top:1px solid var(--line)}
h2{font-size:26px;line-height:1.25;letter-spacing:-.02em;margin:0 0 12px;font-weight:660}
h3{font-size:16.5px;margin:0 0 8px;letter-spacing:-.01em}
p,li{color:#c3cee6}
.muted{color:var(--dim)}
ul{padding-left:20px}
a{color:var(--ion)}
a:hover{color:var(--ember)}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.tile{position:relative;border:1px solid var(--line);border-radius:14px;padding:24px 22px;
  background:linear-gradient(180deg,rgba(17,24,50,.86),rgba(11,16,32,.86));
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.tile:hover{transform:translateY(-4px);border-color:var(--edge);box-shadow:0 16px 44px rgba(0,0,0,.45)}
.tile .num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;letter-spacing:.18em;
  color:var(--dimmer);display:block;margin-bottom:14px}
.tile p{font-size:14.6px;color:var(--dim);margin:0}

/* SMS panel — the part Twilio reads */
.panel{border:1px solid var(--edge);border-radius:16px;overflow:hidden;margin-top:8px;
  background:linear-gradient(180deg,rgba(58,216,255,.07),rgba(11,16,32,.9))}
.panel-head{display:flex;align-items:center;gap:10px;padding:16px 24px;border-bottom:1px solid var(--line);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ion)}
.panel-body{padding:24px}
.panel-body p:first-child{margin-top:0}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0 0;padding:0;list-style:none}
.facts li{display:flex;gap:11px;align-items:flex-start;font-size:14.6px;color:var(--dim);
  border:1px solid var(--line);border-radius:10px;padding:13px 15px;background:rgba(7,10,18,.5)}
.facts b{color:var(--ink);font-weight:600}
.tick{color:var(--ember);flex:none;font-weight:700}

/* ── policy pages ───────────────────────────────────── */
.doc{padding:64px 0 84px}
.doc h1{font-size:clamp(30px,4.6vw,42px);letter-spacing:-.03em;line-height:1.12;margin:0 0 10px}
.doc h2{font-size:18.5px;margin:40px 0 10px}
.doc .updated{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--dimmer);margin:0 0 30px}
.doc p,.doc li{font-size:15.6px;color:#c8d3ea}
.doc .card{border:1px solid var(--edge);border-radius:14px;padding:20px 22px;margin:26px 0;
  background:linear-gradient(180deg,rgba(58,216,255,.06),rgba(11,16,32,.8))}
.doc .card h2{margin-top:0}

/* ── footer ─────────────────────────────────────────── */
footer{border-top:1px solid var(--line);background:rgba(11,16,32,.7);padding:34px 0;color:var(--dimmer);font-size:13.6px}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:space-between}
footer a{color:var(--dim);text-decoration:none}
footer a:hover{color:var(--ion)}
footer .links{display:flex;gap:18px;flex-wrap:wrap}

@media (max-width:820px){
  .grid{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr}
  .thruster{width:190px;right:-30px;top:auto;bottom:-40px;opacity:.4}
  .strip .wrap{grid-template-columns:1fr 1fr}
  .hero{padding:76px 0 72px}
  section{padding:58px 0}
  nav a{margin-left:16px}
}
@media (prefers-reduced-motion:reduce){
  body::after,.plume,.spark,.dot,.thruster{animation:none}
  .btn:hover,.tile:hover{transform:none}
}