/* Premium SaaS-style public site for MaxVPN */
:root{
  --bg0:#070A10;
  --bg1:#0B1020;
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.08);
  --border:rgba(148,163,184,.18);
  --text:#E8EEF8;
  --muted:#A7B2C5;
  --muted2:#7B879C;
  --accent:#4FD1FF;
  --accent2:#6D7CFF;
  --ok:#4ADE80;
  --warn:#FBBF24;
  --hot:#FB923C;
  --danger:#F87171;
  --radius:18px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(79,209,255,.18), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(109,124,255,.16), transparent 55%),
    radial-gradient(900px 700px at 40% 110%, rgba(79,209,255,.10), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  letter-spacing:-.01em;
}
a{color:inherit}
.container{max-width:1120px;margin:0 auto;padding:0 18px}
.muted{color:var(--muted)}
.muted2{color:var(--muted2)}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border:1px solid var(--border);
  border-radius:999px;background:rgba(255,255,255,.04);
  backdrop-filter: blur(10px);
  font-size:13px;color:var(--muted)
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 14px;border-radius:12px;border:1px solid var(--border);
  background:rgba(255,255,255,.06);
  text-decoration:none;
  transition:transform .12s ease, background .12s ease, border-color .12s ease;
  user-select:none
}
.btn:hover{transform:translateY(-1px);background:rgba(255,255,255,.08);border-color:rgba(79,209,255,.32)}
.btn.primary{
  background:linear-gradient(135deg, rgba(79,209,255,.22), rgba(109,124,255,.18));
  border-color:rgba(79,209,255,.35);
}
.btn.primary:hover{border-color:rgba(79,209,255,.55)}
.btn.ghost{background:transparent}
.btn.small{padding:10px 12px;border-radius:11px;font-size:14px}
.nav{
  position:sticky;top:0;z-index:20;
  background:linear-gradient(180deg, rgba(7,10,16,.75), rgba(7,10,16,.35));
  backdrop-filter: blur(14px);
  border-bottom:1px solid rgba(148,163,184,.12);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.mark{
  width:34px;height:34px;border-radius:12px;
  border:1px solid rgba(79,209,255,.28);
  background:linear-gradient(135deg, rgba(79,209,255,.14), rgba(109,124,255,.10));
  display:grid;place-items:center;
  box-shadow:0 18px 50px rgba(0,0,0,.45);
}
.brand span{font-weight:650;letter-spacing:-.02em}
.nav-links{display:flex;gap:10px;align-items:center}
.nav-links a{opacity:.92}
.nav-cta{display:flex;gap:10px;align-items:center}
.burger{display:none}

.hero{padding:64px 0 26px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}
.hero h1{margin:12px 0 10px;font-size:46px;line-height:1.06;letter-spacing:-.03em}
.hero p{margin:0 0 18px;font-size:17px;line-height:1.6;color:var(--muted)}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.panel{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow:var(--shadow);
  overflow:hidden;
}
.panel-inner{padding:18px}
.preview{
  height:100%;
  background:
    radial-gradient(600px 260px at 20% 10%, rgba(79,209,255,.18), transparent 60%),
    radial-gradient(520px 260px at 90% 40%, rgba(109,124,255,.16), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border-radius:var(--radius);
  border:1px solid rgba(148,163,184,.14);
}
.mini-grid{display:grid;gap:12px}
.mini-card{
  padding:14px;border-radius:14px;
  border:1px solid rgba(148,163,184,.14);
  background:rgba(255,255,255,.04)
}
.mini-card .t{font-size:13px;color:var(--muted2);text-transform:uppercase;letter-spacing:.08em}
.mini-card .v{margin-top:6px;font-weight:600}
.mini-card .s{margin-top:8px;font-size:13px;color:var(--muted)}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 10px;border-radius:999px;
  border:1px solid rgba(148,163,184,.18);
  font-size:12px;color:var(--muted)
}
.dot{width:8px;height:8px;border-radius:50%}
.dot.ok{background:var(--ok)}
.dot.acc{background:var(--accent)}
.dot.reg{background:var(--accent2)}

.section{padding:42px 0}
.section h2{margin:0 0 10px;font-size:28px;letter-spacing:-.02em}
.section .lead{margin:0 0 18px;color:var(--muted);max-width:760px}
.grid{display:grid;gap:14px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{
  padding:16px;border-radius:16px;border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  transition:transform .12s ease, border-color .12s ease, background .12s ease;
}
.card:hover{transform:translateY(-1px);border-color:rgba(79,209,255,.24);background:rgba(255,255,255,.05)}
.card h3{margin:0 0 6px;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.step{padding:16px;border-radius:16px;border:1px solid var(--border);background:rgba(255,255,255,.035)}
.step .n{color:var(--muted2);font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.step .t{margin-top:8px;font-weight:650}
.step .d{margin-top:6px;color:var(--muted);font-size:14px;line-height:1.55}

.faq{max-width:820px}
.faq-item{border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.035);overflow:hidden}
.faq-q{
  width:100%;
  background:transparent;border:0;color:var(--text);
  padding:14px 14px;display:flex;justify-content:space-between;align-items:center;
  cursor:pointer;font-weight:600
}
.faq-a{display:none;padding:0 14px 14px;color:var(--muted);line-height:1.6}
.faq-item.open .faq-a{display:block}
.footer{padding:34px 0 52px;border-top:1px solid rgba(148,163,184,.12);margin-top:26px}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:start}
.footer a{color:var(--muted);text-decoration:none}
.footer a:hover{color:var(--text)}

/* Forms */
.form{
  display:grid;gap:12px;
}
.field{
  display:grid;gap:6px;
}
label{font-size:13px;color:var(--muted2)}
input{
  padding:12px 12px;border-radius:12px;
  border:1px solid rgba(148,163,184,.18);
  background:rgba(10,14,22,.55);
  color:var(--text);
  outline:none;
}
input:focus{border-color:rgba(79,209,255,.45)}

/* Responsive */
@media (max-width: 920px){
  .hero-grid{grid-template-columns:1fr;gap:16px}
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .nav-links{display:none}
  .nav-cta .btn.ghost{display:none}
  .burger{display:inline-flex}
  .hero{padding:46px 0 18px}
  .hero h1{font-size:36px}
}