:root{
  --bg:#05060a;
  --bg2:#070A12;
  --panel:rgba(255,255,255,.045);
  --panel2:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.12);
  --text:#EAF2FF;
  --muted:rgba(234,242,255,.72);
  --faint:rgba(234,242,255,.55);

  --neon:#37f6ff;
  --amber:#ffc371;
  --rose:#ff5f6d;

  --shadow: 0 18px 55px rgba(0,0,0,.55);
  --glow: 0 10px 34px rgba(55,246,255,.18);
  --ring: 0 0 0 3px rgba(55,246,255,.22);

  --r-xl:22px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;

  --max:1140px;
  --nav-h:74px;
}

*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(55,246,255,.10), transparent 60%),
    radial-gradient(900px 600px at 110% 0, rgba(255,95,109,.09), transparent 55%),
    linear-gradient(180deg, var(--bg2), var(--bg));
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}
.faint{color:var(--faint)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* Skip link */
.skip{
  position:absolute; left:-999px; top:8px;
  background:#0b1220; border:1px solid var(--border);
  padding:10px 12px; border-radius:10px; z-index:1000;
}
.skip:focus{left:12px; box-shadow:var(--ring)}

/* Nav */
.site-nav{
  position:fixed; inset:0 0 auto 0; height:var(--nav-h); z-index:80;
  display:flex; align-items:center;
  background:linear-gradient(180deg, rgba(3,4,10,.70), rgba(3,4,10,.22));
  border-bottom:1px solid rgba(255,255,255,.06);
  -webkit-backdrop-filter:saturate(120%) blur(12px);
  backdrop-filter:saturate(120%) blur(12px);
}
.nav-row{display:flex;align-items:center;gap:12px}
.nav-left{display:flex;align-items:center;gap:12px;margin-right:auto;min-width:0}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;flex-wrap:wrap}

.brand{display:flex;gap:12px;align-items:center;min-width:0}
.brand img{
  width:46px;height:46px;border-radius:14px;object-fit:cover;
  border:1px solid var(--border);
  box-shadow:0 10px 30px rgba(255,95,109,.10);
}
.brand .name{display:flex;flex-direction:column;min-width:0}
.brand h1{
  margin:0;
  font:800 16px/1.05 Orbitron,monospace;
  letter-spacing:.45px;
  white-space:nowrap;
}
.brand .sub{font-size:12px;color:var(--muted);margin-top:4px;white-space:nowrap}

/* Buttons */
.btn{
  --bg:linear-gradient(90deg,var(--rose),var(--amber));
  --fg:#07131A;
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:10px 14px; min-height:44px;
  border-radius:12px;
  border:1px solid transparent;
  background:var(--bg);
  color:var(--fg);
  font:800 14px Orbitron,monospace;
  box-shadow:0 10px 30px rgba(255,95,109,.12);
  transition:transform .16s, filter .2s, box-shadow .2s;
  user-select:none;
}
.btn:hover{transform:translateY(-2px);filter:saturate(112%)}
.btn:focus-visible{outline:none;box-shadow:0 10px 30px rgba(255,95,109,.12), var(--ring)}
.btn--neon{--bg:linear-gradient(90deg,var(--neon),#7cf0ff);box-shadow:var(--glow)}
.btn--ghost{
  background:transparent;border:1px solid var(--border);
  color:var(--text);font:600 14px Inter,system-ui;
  box-shadow:none;
}
.btn--ghost:hover{border-color:rgba(255,255,255,.18);box-shadow:0 10px 26px rgba(0,0,0,.25)}
.btn.big{padding:14px 18px;border-radius:14px;font-size:16px}
.icon{width:20px;height:20px}

@media (max-width:560px){
  .nav-right > *{flex:1 1 100%}
}

/* Common sections */
.section-title{
  margin:0 0 12px;
  font:800 26px/1.2 Orbitron,monospace;
  letter-spacing:.25px;
  background:linear-gradient(90deg, #EAF2FF, #9bdff2);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.block{
  padding:56px 0;
  border-top:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(255,255,255,.02), transparent 45%);
}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:980px){.grid3{grid-template-columns:1fr}}

.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px;
  box-shadow:0 14px 34px rgba(0,0,0,.25);
  transition:transform .16s, border-color .2s;
}
.card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.16)}
.card h3{margin:0 0 8px;font:800 14px Orbitron,monospace;letter-spacing:.22px}
.card p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
.card ul{margin:10px 0 0 18px;color:var(--muted);font-size:14px}
.card li{margin:6px 0}

/* Icons */
.icon-grid{display:grid;grid-template-columns:repeat(5,46px);gap:10px}
@media (max-width:520px){.icon-grid{grid-template-columns:repeat(4,46px)}}
.icon-btn{
  width:46px;height:46px;border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  transition:transform .15s, border-color .2s, box-shadow .2s;
}
.icon-btn:hover{transform:translateY(-2px);border-color:rgba(155,234,255,.55);box-shadow:0 12px 26px rgba(0,0,0,.28)}
.icon-btn svg{width:22px;height:22px}

/* Toast */
.toast{
  position:fixed; left:50%; bottom:18px; transform:translateX(-50%);
  background:rgba(6,10,18,.92);
  border:1px solid rgba(255,255,255,.12);
  padding:10px 12px;
  border-radius:14px;
  color:rgba(234,242,255,.92);
  box-shadow:0 16px 40px rgba(0,0,0,.45);
  z-index:120;
  display:none;
  max-width:min(520px, calc(100% - 24px));
}
.toast strong{color:#fff}