:root {
  --bg: #0b0f17;
  --bg-soft: #121826;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.10);
  --text: #e8eef7;
  --muted: #9aa7bd;
  --teal: #22d3ee;
  --blue: #3b82f6;
  --green: #34d399;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, rgba(34, 211, 238, 0.12), transparent 60%),
              radial-gradient(900px 500px at -10% 10%, rgba(59, 130, 246, 0.10), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 1040px; margin: 0 auto; padding: 0 22px; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11, 15, 23, 0.72);
  border-bottom: 1px solid var(--border);
}
header.site .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.brand .logo {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  display: grid; place-items: center; color: #04121a; font-weight: 800;
}
nav.site a { color: var(--muted); margin-left: 22px; font-size: .95rem; }
nav.site a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { text-align: center; padding: 90px 0 60px; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin: 0 0 14px; letter-spacing: -0.02em; }
.hero h1 .grad {
  background: linear-gradient(90deg, var(--teal), var(--blue));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 620px; margin: 0 auto 28px; }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 12px; font-weight: 700;
  background: linear-gradient(135deg, var(--teal), var(--blue)); color: #04121a;
  border: none; cursor: pointer;
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }

.badge {
  display: inline-block; font-size: .8rem; color: var(--teal);
  border: 1px solid rgba(34, 211, 238, 0.4); border-radius: 999px;
  padding: 5px 14px; margin-bottom: 20px;
}

/* Features */
.section { padding: 50px 0; }
.section h2 { text-align: center; font-size: 1.8rem; margin-bottom: 8px; }
.section .sub { text-align: center; color: var(--muted); margin-bottom: 36px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.feature {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 22px;
}
.feature .icon { font-size: 1.6rem; margin-bottom: 10px; }
.feature h3 { margin: 0 0 6px; font-size: 1.1rem; }
.feature p { margin: 0; color: var(--muted); font-size: .95rem; }

/* Legal / content pages */
.content { max-width: 820px; margin: 0 auto; padding: 48px 22px 80px; }
.content h1 { font-size: 2rem; margin-bottom: 4px; }
.content h2 { margin-top: 30px; font-size: 1.25rem; }
.content .muted { color: var(--muted); font-size: .9rem; }
.content code { background: var(--bg-soft); padding: 1px 6px; border-radius: 5px; font-size: .9em; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 20px; margin-top: 16px;
}

/* Footer */
footer.site { border-top: 1px solid var(--border); padding: 30px 0; color: var(--muted); }
footer.site .container { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; }
footer.site a { color: var(--muted); margin-right: 18px; }
footer.site a:hover { color: var(--text); }