/* uash.ai landing — shares the UASH design tokens with
   sidecars/uash-control-plane-sidecar (Signal Teal + brass on dark). */
:root {
  color-scheme: dark;
  --bg: #09110f;
  --panel: #101916;
  --panel-2: #14211d;
  --line: #25362f;
  --line-strong: #3c564b;
  --text: #edf7f2;
  --muted: #9eb2aa;
  --teal: #24c6ac;
  --teal-dark: #168f81;
  --brass: #d5aa55;
  --shadow: 0 18px 48px rgba(0, 0, 0, .34);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(36, 198, 172, .08), transparent 240px),
    radial-gradient(circle at 20% 0%, rgba(213, 170, 85, .08), transparent 360px),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px clamp(20px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 14px; height: 14px; border-radius: 4px;
  background: linear-gradient(135deg, var(--teal), var(--brass));
}
.brand-name { font-weight: 700; letter-spacing: .12em; }

nav { display: flex; align-items: center; gap: 18px; }
.nav-link { color: var(--muted); text-decoration: none; }
.nav-link:hover { color: var(--text); }

main { max-width: 960px; margin: 0 auto; padding: 0 20px 80px; }

.hero { padding: clamp(48px, 10vw, 110px) 0 32px; }
.hero h1 {
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  line-height: 1.12;
  margin: 0 0 18px;
}
.lede { color: var(--muted); font-size: 1.12rem; max-width: 42rem; margin: 0 0 26px; }

.cta-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.cta-note { color: var(--muted); font-size: .95rem; }

.button {
  display: inline-block;
  padding: 11px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}
.button-primary {
  background: var(--teal);
  color: #06231d;
}
.button-primary:hover { background: var(--teal-dark); color: var(--text); }
.button-ghost {
  border-color: var(--line-strong);
  color: var(--text);
}
.button-ghost:hover { border-color: var(--teal); }

.how {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  max-width: 40rem;
}
.how strong { color: var(--text); }

.pricing { padding-top: 46px; border-top: 1px solid var(--line); }
.pricing h2 { font-size: 1.7rem; margin-bottom: 24px; }

.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.tier {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
  display: flex;
  flex-direction: column;
}
.tier-featured { border-color: var(--brass); background: var(--panel-2); }
.tier h3 { margin: 0 0 6px; letter-spacing: .04em; }
.price { font-size: 2.2rem; font-weight: 700; margin: 0 0 14px; }
.price span { font-size: 1rem; color: var(--muted); font-weight: 400; }
.tier ul { margin: 0 0 22px; padding-left: 1.1rem; color: var(--muted); flex: 1; }
.tier li { margin-bottom: 8px; }

.trial-note { color: var(--muted); margin-top: 22px; }

footer {
  border-top: 1px solid var(--line);
  padding: 26px 20px;
  text-align: center;
  color: var(--muted);
}
footer a { color: var(--teal); }