:root {
  --blue: #0A8FD6;
  --blue-deep: #005C97;
  --ink: #0A0A0A;
  --ink-soft: #525252;
  --line: #E8E8E8;
  --bg: #FBF9F4;
  --card: #FFFFFF;
  --radius: 16px;
  --max: 920px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue-deep); }

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

/* Header / nav */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  position: sticky; top: 0; z-index: 10;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; max-width: var(--max); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800;
  text-decoration: none; color: var(--ink); letter-spacing: -0.01em; }
.brand img { width: 32px; height: 32px; }
.nav-links a { margin-left: 20px; text-decoration: none; color: var(--ink-soft);
  font-weight: 600; font-size: 0.95rem; }
.nav-links a:hover { color: var(--ink); }

/* Hero */
.hero {
  text-align: center;
  padding: 72px 24px 56px;
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(10,143,214,0.14), transparent 60%);
}
.hero img.mark { width: 112px; height: 112px; margin-bottom: 20px;
  filter: drop-shadow(0 10px 24px rgba(0,40,60,0.18)); }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 12px;
  letter-spacing: -0.02em; line-height: 1.1; }
.hero p.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 620px;
  margin: 0 auto 28px; }

.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem;
  font-weight: 800; color: var(--blue-deep); margin-bottom: 14px; }

.btn {
  display: inline-block; background: var(--ink); color: #fff;
  text-decoration: none; font-weight: 700; padding: 13px 22px;
  border-radius: 999px; transition: transform .12s ease, opacity .12s ease;
}
.btn:hover { transform: translateY(-1px); opacity: 0.92; }
.btn.secondary { background: transparent; color: var(--ink);
  border: 1.5px solid var(--ink); }

/* Sections */
section { padding: 48px 0; }
section h2 { font-size: 1.6rem; letter-spacing: -0.01em; margin: 0 0 8px; }

.features { display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px;
}
.card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }
.card .ico { font-size: 1.6rem; margin-bottom: 10px; display: block; }

/* Content pages */
.content { max-width: 740px; margin: 0 auto; padding: 48px 24px 64px; }
.content h1 { font-size: 2rem; letter-spacing: -0.02em; margin: 0 0 6px; }
.content .updated { color: var(--ink-soft); font-size: 0.9rem; margin-bottom: 32px; }
.content h2 { font-size: 1.25rem; margin: 34px 0 8px; }
.content p, .content li { color: #2a2a2a; }
.content ul { padding-left: 22px; }
.callout {
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--blue);
  border-radius: 12px; padding: 18px 20px; margin: 22px 0;
}
.callout a { font-weight: 700; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 24px;
  color: var(--ink-soft); font-size: 0.9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px;
  align-items: center; justify-content: space-between; }
.site-footer a { color: var(--ink-soft); text-decoration: none; margin-right: 16px; }
.site-footer a:hover { color: var(--ink); }
.disclaimer { font-size: 0.82rem; opacity: 0.8; margin-top: 10px; }