:root {
  --bg:#0b0d10;
  --surface:#13161b;
  --text:#e2e4e9;
  --muted:#8b92a5;
  --accent:#5b8cff;
  --accent-2:#3d6fe6;
  --border:#1f2330;
  --radius:12px;
  --max-width:980px;
  --font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing:border-box; margin:0; padding:0; }
body {
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

a { color:var(--accent); text-decoration:none; }
a:hover { text-decoration:underline; }

.container { max-width:var(--max-width); margin:0 auto; padding:0 24px; }

/* Header */
header { border-bottom:1px solid var(--border); padding:16px 0; }
.nav { display:flex; justify-content:space-between; align-items:center; }
.logo { font-weight:700; font-size:1.1rem; letter-spacing:-0.3px; }

/* Buttons */
.btn {
  display:inline-block;
  padding:10px 20px;
  border-radius:var(--radius);
  font-weight:600;
  font-size:0.95rem;
  transition:background .2s, transform .1s;
  cursor:pointer;
  border:none;
}
.btn-primary { background:var(--accent); color:#fff; }
.btn-primary:hover { background:var(--accent-2); text-decoration:none; }
.btn-outline { background:transparent; border:1px solid var(--border); color:var(--text); }
.btn-outline:hover { border-color:var(--accent); color:var(--accent); text-decoration:none; }
.btn-lg { padding:14px 28px; font-size:1.05rem; }

/* Hero */
.hero { padding:80px 0 56px; text-align:center; }
.hero h1 { font-size:2.6rem; line-height:1.1; letter-spacing:-0.5px; }
.lead { color:var(--muted); font-size:1.15rem; max-width:640px; margin:18px auto 28px; }

/* Sections */
section { padding:56px 0; }
section h2 { font-size:1.6rem; margin-bottom:28px; text-align:center; }

/* Cards */
.grid-3 { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:20px; }
.card, .plan {
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
}
.card h3 { font-size:1.05rem; margin-bottom:8px; }
.card p, .plan ul li { color:var(--muted); font-size:0.92rem; }
.plan h3 { font-size:1.2rem; margin-bottom:4px; }
.price { font-size:2.2rem; font-weight:700; margin:10px 0 16px; }
.price span { font-size:1rem; font-weight:400; color:var(--muted); }
.plan ul { list-style:none; margin:16px 0 20px; }
.plan ul li { padding:6px 0; border-bottom:1px solid var(--border); }
.plan ul li:last-child { border-bottom:none; }
.plan .btn { width:100%; text-align:center; }
.plan-popular { border-color:var(--accent); position:relative; }
.badge {
  position:absolute; top:-12px; left:50%; transform:translateX(-50%);
  background:var(--accent); color:#fff; font-size:0.7rem; font-weight:700;
  padding:4px 12px; border-radius:20px; text-transform:uppercase; letter-spacing:0.5px;
}
.note { text-align:center; color:var(--muted); font-size:0.85rem; margin-top:16px; }

/* Steps */
.steps { display:flex; gap:28px; justify-content:center; flex-wrap:wrap; }
.step { text-align:center; max-width:220px; }
.num {
  display:inline-flex; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:50%;
  background:var(--accent); color:#fff; font-weight:700; font-size:1.1rem;
  margin-bottom:12px;
}
.step h4 { font-size:1rem; margin-bottom:6px; }
.step p { color:var(--muted); font-size:0.9rem; }

/* FAQ */
details { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:16px 20px; margin-bottom:12px; }
summary { font-weight:600; cursor:pointer; list-style:none; }
summary::-webkit-details-marker { display:none; }
details p { color:var(--muted); font-size:0.92rem; margin-top:10px; }

/* Signup */
.signup form { max-width:480px; margin:0 auto; }
label { display:block; margin-bottom:16px; font-size:0.92rem; font-weight:500; }
input, select, textarea {
  width:100%; padding:10px 12px; margin-top:6px;
  background:var(--surface); border:1px solid var(--border); border-radius:8px;
  color:var(--text); font-size:0.95rem; font-family:inherit;
}
input:focus, select:focus, textarea:focus { outline:none; border-color:var(--accent); }
.hint { color:var(--muted); font-size:0.82rem; margin-top:12px; text-align:center; }

/* Footer */
footer { border-top:1px solid var(--border); padding:24px 0; text-align:center; color:var(--muted); font-size:0.85rem; margin-top:40px; }

@media (max-width:520px) {
  .hero h1 { font-size:2rem; }
  .lead { font-size:1rem; }
}