:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #5a5a5a;
  --border: #e6e6e6;
  --accent: #0a0a0a;
  --header-h: 64px;
  --footer-h: 120px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
}

.container {
  max-width: 1120px;
  padding: 0 24px;
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 700; letter-spacing: 0.02em; text-decoration: none; color: var(--fg); }

.nav-toggle { display: none; }
.nav-list { display: flex; gap: 24px; list-style: none; padding: 0; margin: 0; }
.nav-list a { text-decoration: none; color: var(--fg); font-weight: 500; }
.nav-list a:hover { text-decoration: underline; }

.section { padding: 80px 0; }
.section-title { font-size: 32px; line-height: 1.2; margin: 0 0 16px; }
.section-subtitle { font-size: 20px; margin: 40px 0 12px; }
.lead { font-size: 18px; color: var(--muted); }
.list { padding-left: 18px; }

.hero { padding: 96px 0; }
.hero-title { font-size: 42px; line-height: 1.15; margin: 0 0 16px; }
.hero-subtitle { font-size: 20px; color: var(--muted); max-width: 800px; }
.hero-actions { margin-top: 24px; display: flex; gap: 12px; }

.button { display: inline-block; border: 1px solid var(--accent); color: var(--fg); padding: 12px 18px; text-decoration: none; border-radius: 8px; transition: transform 160ms ease, background 160ms ease, color 160ms ease; }
.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--accent); color: #fff; }

.grid { display: grid; gap: 24px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pillars { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { border: 1px solid var(--border); border-radius: 12px; padding: 24px; background: #fff; }
.block { border: 1px solid var(--border); border-radius: 12px; padding: 16px; background: #fff; }
.stat { background: #fafafa; }

.leader .role { color: var(--muted); font-weight: 500; }

.contact-form { display: grid; grid-template-columns: 1fr; gap: 16px; }
.form-field { display: grid; gap: 8px; }
label { font-weight: 500; }
input, select, textarea { border: 1px solid var(--border); border-radius: 8px; padding: 12px; font-size: 16px; background: #fff; color: var(--fg); }
input:focus, select:focus, textarea:focus { outline: none; border-color: #c9c9c9; }

.site-footer { position: fixed; left: 0; right: 0; bottom: 0; height: var(--footer-h); border-top: 1px solid var(--border); background: var(--bg); }
.footer-inner { display: grid; align-items: center; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; padding: 24px; height: 100%; }
.footer-col .brand { font-size: 18px; }
.footer-email { text-decoration: none; color: var(--fg); font-weight: 600; }
.copyright { color: var(--muted); margin-top: 8px; }

@media (max-width: 900px) {
  .grid.two, .pillars, .footer-inner { grid-template-columns: 1fr; }
  .hero-title { font-size: 36px; }
  .section { padding: 64px 0; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); background: #fff; color: var(--fg); padding: 8px 12px; border-radius: 8px; }
  .nav-list { position: absolute; right: 24px; top: 64px; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 12px; display: none; flex-direction: column; }
  .nav-list.show { display: flex; }
}

/* Fixed header/footer spacing */
main { padding-top: var(--header-h); padding-bottom: var(--footer-h); }