/* Solo AI Agent Operator Kit — landing (no trackers, no build step) */
:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-2: #243044;
  --text: #e8eef6;
  --muted: #9aa8bc;
  --accent: #3d9cf0;
  --accent-hover: #5aaff5;
  --border: #2d3a4f;
  --ok: #3ecf8e;
  --warn: #e6b84d;
  --radius: 10px;
  --max: 720px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

header.site {
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
  background: rgba(15, 20, 25, 0.92);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand strong { font-size: 0.95rem; letter-spacing: 0.02em; }
.brand nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.brand nav a { color: var(--muted); font-size: 0.9rem; }
.brand nav a:hover { color: var(--text); text-decoration: none; }

.disclosure {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin: 1.25rem 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}
.disclosure strong { color: var(--text); }

.hero {
  padding: 2.75rem 0 2rem;
  text-align: left;
}

.hero h1 {
  font-size: clamp(1.65rem, 4.5vw, 2.15rem);
  line-height: 1.25;
  margin: 0 0 0.75rem;
  font-weight: 700;
}

.hero .sub {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0 0 1.5rem;
  max-width: 38em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--accent);
  color: #0a1220;
}
.btn-primary:hover { background: var(--accent-hover); color: #0a1220; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--muted); color: var(--text); }

.btn-disabled {
  background: var(--surface-2);
  color: var(--muted);
  border-color: var(--border);
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.85;
}

.cta-note {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.35rem 0 0;
}

section {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

section h2 {
  font-size: 1.35rem;
  margin: 0 0 1rem;
  font-weight: 650;
}

ul.bullets {
  margin: 0;
  padding-left: 1.2rem;
}
ul.bullets li { margin-bottom: 0.55rem; }
ul.bullets li strong { color: var(--text); }

.price-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 560px) {
  .price-grid { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.card .price {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0.25rem 0 0.75rem;
  color: var(--ok);
}

.card.paid .price { color: var(--accent); }

.card ul {
  margin: 0 0 1rem;
  padding-left: 1.15rem;
  font-size: 0.95rem;
  color: var(--muted);
}
.card ul li { margin-bottom: 0.35rem; }
.card ul li strong { color: var(--text); }

.split {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 560px) {
  .split { grid-template-columns: 1fr 1fr; }
}

.card.muted-card h3 { color: var(--warn); }

.warn-box {
  background: #2a2418;
  border: 1px solid #5a4a28;
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  color: #e8d9a8;
  font-size: 0.95rem;
}

.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin-bottom: 0.65rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+ ";
  color: var(--accent);
  font-weight: 700;
}
.faq details[open] summary::before { content: "− "; }
.faq details p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.final-cta {
  text-align: center;
  padding-bottom: 2.5rem;
}
.final-cta h2 { margin-bottom: 0.5rem; }
.final-cta .sub { color: var(--muted); margin: 0 0 1.25rem; }

footer.site {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}
footer.site p { margin: 0.35rem 0; }