:root {
  --bg: #0b1020;
  --bg-2: #121a33;
  --card: #161f3d;
  --text: #e7ecf7;
  --muted: #9aa6c7;
  --brand: #7c5cff;
  --brand-2: #37c6ff;
  --border: #263155;
  --radius: 14px;
  --max: 1100px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(124, 92, 255, 0.25), transparent),
    radial-gradient(900px 500px at 0% 0%, rgba(55, 198, 255, 0.15), transparent),
    var(--bg);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }

/* Header */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem 1.5rem; max-width: var(--max);
  margin: 0 auto; flex-wrap: wrap;
}
.brand { font-weight: 800; font-size: 1.3rem; letter-spacing: 0.5px; }
.brand span { color: var(--brand); }
.site-header nav { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; }
.site-header nav a { color: var(--muted); }
.site-header nav a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-block; padding: 0.7rem 1.2rem; border-radius: 999px;
  font-weight: 600; cursor: pointer; border: 1px solid transparent;
  transition: transform .05s ease, opacity .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #0b1020; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn.disabled { opacity: .5; cursor: default; }

/* Hero */
.hero { padding: 4rem 1.5rem 3rem; }
.hero-inner { max-width: var(--max); margin: 0 auto; text-align: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); margin: 0 0 1rem; }
.grad { background: linear-gradient(135deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 640px; margin: 0 auto 1.6rem; }
.cta-row { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }
.small { font-size: .9rem; }
.muted { color: var(--muted); }

/* Sections */
.section { max-width: var(--max); margin: 0 auto; padding: 3rem 1.5rem; }
.section h2 { font-size: 1.8rem; margin-bottom: 1.4rem; }
.narrow { max-width: 640px; }

.grid { display: grid; gap: 1rem; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.4rem;
}
.card h3 { margin: 0 0 .5rem; }
.price { text-align: center; }
.price .amount { font-size: 2rem; font-weight: 800; margin: .4rem 0; }
.muted-card { opacity: .7; }

/* FAQ */
details {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.2rem; margin-bottom: .8rem;
}
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: .6rem 0 0; }

/* CTA band */
.cta-band { text-align: center; }

/* Trial form */
.trial-form { display: grid; gap: 1.2rem; margin-top: 1.5rem; }
.trial-form label { display: grid; gap: .4rem; font-weight: 600; }
.trial-form input[type="email"] {
  padding: .8rem 1rem; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-2); color: var(--text); font-size: 1rem;
}
.proto { border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.2rem; }
.proto legend { padding: 0 .5rem; color: var(--muted); }
.radio, .consent { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; }
.radio { margin: .5rem 0; }
.consent span { color: var(--muted); font-size: .95rem; }

.trial-result:empty { display: none; }
.ack, .trial-result .ack {
  margin-top: 1.4rem; background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.2rem 1.4rem;
}
.ack-ok { border-color: #2f9e6f; }
.ack-err { border-color: #b8455a; }

/* Footer */
.site-footer {
  max-width: var(--max); margin: 2rem auto 0; padding: 2rem 1.5rem;
  border-top: 1px solid var(--border); color: var(--muted); text-align: center;
}
.site-footer p { margin: .2rem 0; }