/* X3 Investment Group — corporate face
   Institutional, charcoal/forest palette
   Parent of Old Town House Buyers + future ventures */

:root {
  --paper: #fafaf7;
  --paper-warm: #f0ede4;
  --ink: #0d0807;
  --accent: #1f4d2e;        /* forest — institutional, real estate */
  --accent-deep: #143420;
  --gold: #b08d3a;          /* tertiary — for emphasis */
  --muted: #4a4a4a;
  --muted-2: #7a7a78;
  --line: #d8d6d0;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter Tight', -apple-system, system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ink); text-decoration: none; }
em { font-style: italic; color: var(--accent); font-weight: 600; }

.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 64px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky; top: 0; z-index: 100;
}
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand .word {
  font-family: var(--serif); font-size: 22px; font-weight: 700;
  letter-spacing: -0.005em; color: var(--ink);
}
.brand .sub {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted-2); font-weight: 700; margin-top: 4px;
}
.nav-links { display: flex; gap: 32px; align-items: center; font-size: 14px; font-weight: 600; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  background: var(--ink); color: var(--paper) !important;
  padding: 11px 22px; border-radius: 2px;
  font-weight: 700; font-size: 13px; letter-spacing: 0.04em;
  border: 1.5px solid var(--ink);
  transition: all .15s;
}
.nav-cta:hover { background: var(--accent); border-color: var(--accent); }

/* HERO — institutional one-pager */
.hero {
  padding: 120px 64px 88px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-eyebrow {
  display: inline-block; padding: 6px 14px;
  background: rgba(31,77,46,0.08);
  color: var(--accent-deep);
  border-radius: 2px;
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.20em; text-transform: uppercase;
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 700; line-height: 1.0;
  letter-spacing: -0.025em;
  margin-bottom: 24px; max-width: 900px;
  color: var(--ink);
}
.hero .lede {
  font-size: 22px; color: var(--muted); line-height: 1.45;
  max-width: 720px; margin-bottom: 40px;
  font-weight: 400;
}
.hero-cta-row { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary, .btn-secondary {
  display: inline-block; padding: 14px 28px;
  font-size: 14px; font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 2px;
  transition: all .15s;
}
.btn-primary {
  background: var(--ink); color: var(--paper);
  border: 1.5px solid var(--ink);
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-secondary {
  background: transparent; color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-secondary:hover { background: var(--ink); color: var(--paper); }

/* TWO-AUDIENCE SPLIT */
.split {
  max-width: 1200px; margin: 0 auto;
  padding: 0 64px 96px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.split-card {
  border: 1.5px solid var(--ink);
  padding: 40px 36px;
  background: white;
  border-radius: 4px;
  position: relative;
}
.split-card .audience-tag {
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.20em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.split-card h2 {
  font-family: var(--serif); font-size: 30px;
  font-weight: 700; letter-spacing: -0.015em;
  margin-bottom: 12px; color: var(--ink);
}
.split-card p {
  font-size: 15.5px; color: var(--muted); line-height: 1.55;
  margin-bottom: 24px;
}
.split-card .arrow-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 700; color: var(--ink);
}
.split-card .arrow-link span.arrow {
  display: inline-block;
  transition: transform .15s;
}
.split-card .arrow-link:hover span.arrow { transform: translateX(4px); }

/* STRUCTURE SECTION */
section.structure {
  background: var(--ink); color: var(--paper);
  padding: 96px 64px;
}
.structure-inner { max-width: 1200px; margin: 0 auto; }
.structure h2 {
  font-family: var(--serif); font-size: 44px; font-weight: 700;
  color: var(--paper); margin-bottom: 36px;
  letter-spacing: -0.02em; max-width: 700px;
}
.structure h2 em { color: var(--gold); }
.structure-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.structure-card {
  border: 1px solid rgba(250,250,247,0.18);
  padding: 32px 28px;
  border-radius: 4px;
  background: rgba(250,250,247,0.03);
}
.structure-card .label {
  font-size: 10.5px; font-weight: 800;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 12px;
}
.structure-card h3 {
  font-family: var(--serif); font-size: 22px; font-weight: 700;
  margin-bottom: 8px; color: var(--paper);
}
.structure-card p {
  font-size: 14px; color: rgba(250,250,247,0.72); line-height: 1.55;
}

/* COMPLIANCE BAND */
.compliance {
  border-top: 1px solid var(--line);
  padding: 48px 64px;
  max-width: 1200px; margin: 0 auto;
  text-align: center;
}
.compliance h3 {
  font-family: var(--serif); font-size: 14px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted-2); margin-bottom: 16px;
}
.compliance .badges {
  display: flex; justify-content: center; gap: 28px; flex-wrap: wrap;
  font-size: 13px; color: var(--muted); font-weight: 600;
}
.compliance .badges span { padding: 6px 14px; background: var(--paper-warm); border-radius: 2px; }

footer {
  background: var(--ink); color: var(--paper);
  padding: 48px 64px 32px;
  border-top: 1px solid rgba(250,250,247,0.10);
}
footer .footer-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
footer .col h4 {
  font-size: 12px; font-weight: 800;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 16px;
}
footer .col p, footer .col a {
  display: block; font-size: 14px; color: rgba(250,250,247,0.72);
  margin-bottom: 8px; text-decoration: none;
}
footer .col a:hover { color: var(--paper); }
footer .signature {
  max-width: 1200px; margin: 0 auto;
  padding-top: 24px; border-top: 1px solid rgba(250,250,247,0.10);
  font-size: 12px; color: rgba(250,250,247,0.55);
  display: flex; justify-content: space-between; flex-wrap: wrap;
}

@media (max-width: 980px) {
  .nav { padding: 16px 24px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 64px 24px; }
  .split { padding: 0 24px 64px; grid-template-columns: 1fr; }
  section.structure { padding: 64px 24px; }
  .structure-grid { grid-template-columns: 1fr; }
  .compliance { padding: 36px 24px; }
  footer { padding: 40px 24px 24px; }
  footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}