:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-2: #ffffff;
  --text: #111318; /* blue-black */
  --muted: #5e6675;
  --brand: #c8a96b; /* gold */
  --brand-ink: #2b2411;
  --border: rgba(0,0,0,0.08);
  --maxw: 1200px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Open Sans', Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}
img { max-width: 100%; display: block; }

/* Layout helpers */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }

/* Header & Nav (base styles; landing page adds overrides inline) */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: #ffffff; border-bottom: none; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 75px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.brand-logo { width: 96px; height: 96px; object-fit: contain; }
.brand-name { color: var(--brand); }
.site-nav { position: relative; }
.site-nav ul { display: flex; list-style: none; margin: 0; padding: 0; gap: 20px; }
.site-nav a { color: var(--text); opacity: .95; text-decoration: none; font-weight: 500; }
.site-nav a:hover { color: var(--brand); }
.nav-toggle { display: none; background: transparent; color: var(--text); border: 1px solid rgba(255,255,255,.25); padding: 8px 10px; border-radius: 8px; }

/* Buttons */
.btn { display: inline-block; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--border); color: var(--text); background: #f5f7fa; }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: transparent; font-weight: 700; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.outline { background: transparent; border-color: rgba(0,0,0,.2); color: #eef0f2; }
.btn.outline:hover { background: rgba(255,255,255,0.04); }

/* Generic sections */
.section { padding: 40px 0; }
.section.alt { background: var(--panel); border-top: none; border-bottom: none; }
.section h2 { margin: 0 0 12px 0; font-size: 28px; }
.section-header { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 12px; }
.link { color: var(--brand); }

/* Two-column split block used by Projects */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: start; }
.kicker { margin: 2px 0 14px 0; color: var(--muted); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }

/* Cards */
.cards.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--panel-2); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.card h3 { margin: 0 0 6px 0; }
.card p { color: var(--muted); }
.card-link { display: inline-block; margin-top: 8px; color: var(--brand); }

/* Investor grid */
.investor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.investor-card { background: var(--panel-2); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.list { margin: 0; padding-left: 18px; color: var(--muted); }

/* Signup block */
.signup { padding: 36px 0; }
.signup-inner { display: grid; gap: 12px; justify-items: start; }
.signup-form { display: flex; flex-wrap: wrap; gap: 10px; }
.signup input { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: #141820; color: var(--text); min-width: 260px; }

/* Footer */
.site-footer { padding: 28px 0; background: #ffffff; border-top: none; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; align-items: start; gap: 24px; }
.footer-logo { width: 96px; height: 96px; object-fit: contain; margin-bottom: 8px; }
.footer-title { margin: 0 0 8px 0; color: var(--muted); font-size: 14px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.footer-links a { color: var(--text); opacity: .85; }
.footer-links a:hover { color: var(--brand); }

/* Mobile nav */
@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .site-nav ul { display: none; position: absolute; right: 0; top: 64px; background: #ffffff; border: 1px solid var(--border); padding: 12px; border-radius: 14px; width: min(92vw, 320px); flex-direction: column; gap: 12px; }
  .site-nav ul.open { display: flex; }
}

/* Responsive cards */
@media (max-width: 900px) {
  .cards.three { grid-template-columns: 1fr; }
  .investor-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .split { grid-template-columns: 1fr; }
}