:root {
  --ink: #0b1020;
  --ink-muted: #4a5071;
  --bg: #ffffff;
  --bg-alt: #f5f6fb;
  --accent: #2f5bff;
  --accent-dark: #1f3fd0;
  --border: #e4e6f0;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-alt) 100%);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 24ch;
  margin: 0 0 1.25rem;
}

.hero .lede {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 56ch;
  margin: 0 0 2rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: white;
  text-decoration: none;
  padding: 0.85rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  transition: background 120ms ease-out;
}

.cta:hover { background: var(--accent-dark); }

.pillars {
  padding: 4rem 0;
}

.pillars .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.pillar h2 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.pillar p {
  color: var(--ink-muted);
  margin: 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}