/* ============================================================
   OC AI CONSULTANTS — Design System
   Clean Modern Corporate. High contrast. Navy + Gold.
   No tiny text, no broken layouts, no weird spacing.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,700;0,900;1,700&display=swap');

:root {
  --navy:    #0d1b35;
  --navy2:   #162040;
  --navy3:   #1e2d54;
  --gold:    #c9a84c;
  --gold2:   #e2c06a;
  --white:   #ffffff;
  --off-white: #f8f7f4;
  --text:    #1a1a2e;
  --body:    #4a5568;
  --light:   #718096;
  --border:  #e2e8f0;
  --gold-bg: rgba(201,168,76,0.08);
  --sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --serif: 'Playfair Display', Georgia, serif;
  --max: 1180px;
  --nav-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--white); color: var(--text); font-family: var(--sans); font-weight: 400; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

h1,h2,h3,h4 { line-height: 1.15; color: var(--text); font-weight: 700; }
h1 { font-size: clamp(36px, 5vw, 64px); }
h2 { font-size: clamp(28px, 3.5vw, 48px); }
h3 { font-size: clamp(20px, 2vw, 28px); }
h4 { font-size: 18px; }
p  { font-size: 16px; line-height: 1.75; color: var(--body); }

.serif { font-family: var(--serif); }
.gold  { color: var(--gold); }

/* LABEL */
.label {
  display: inline-block;
  font-size: 11px; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 14px;
}

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 14px; font-weight: 600;
  letter-spacing: 0.03em; padding: 14px 32px;
  cursor: pointer; border: none; transition: all 0.2s; white-space: nowrap;
  border-radius: 3px;
}
.btn-gold  { background: var(--gold); color: #fff; }
.btn-gold:hover { background: var(--gold2); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(201,168,76,0.35); }
.btn-navy  { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy2); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--navy); border: 2px solid var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-outline-white { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.5); }
.btn-outline-white:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

/* NAV */
nav#main-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: var(--navy);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.nav-badge {
  background: var(--gold); color: var(--navy);
  font-size: 12px; font-weight: 800; padding: 4px 10px;
  letter-spacing: 0.05em; border-radius: 2px; white-space: nowrap;
}
.nav-brand-name {
  font-size: 17px; font-weight: 700; color: #fff;
  white-space: nowrap; letter-spacing: -0.01em;
}
.nav-links {
  display: flex; align-items: center; gap: 32px; list-style: none;
}
.nav-links a {
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.75);
  transition: color 0.2s; white-space: nowrap;
}
.nav-links a:hover { color: var(--gold); }
.nav-links a.cta {
  background: var(--gold); color: var(--navy) !important;
  font-weight: 700; padding: 8px 20px; border-radius: 3px;
}
.nav-links a.cta:hover { background: var(--gold2); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: 0.3s; }

/* SECTION */
.section { padding: 96px 0; }
.section.bg-off { background: var(--off-white); }
.section.bg-navy { background: var(--navy); }
.section.bg-navy2 { background: var(--navy2); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 48px; }

/* PAGE HERO */
.page-hero {
  background: var(--navy); padding: 148px 48px 80px;
  text-align: center;
}
.page-hero h1 { color: #fff; margin-bottom: 16px; }
.page-hero p  { color: rgba(255,255,255,0.72); font-size: 18px; max-width: 580px; margin: 0 auto; }
.page-hero .label { color: var(--gold2); }

/* BREADCRUMB */
.crumb {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 12px; color: rgba(255,255,255,0.45); margin-bottom: 16px;
}
.crumb a { color: rgba(255,255,255,0.65); }
.crumb a:hover { color: var(--gold); }

/* GOLD DIVIDER */
.divider { width: 48px; height: 3px; background: var(--gold); margin: 16px 0 32px; border-radius: 2px; }
.divider.center { margin: 16px auto 32px; }

/* FOOTER */
footer {
  background: var(--navy); color: rgba(255,255,255,0.6);
  padding: 72px 48px 40px;
}
.footer-grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 56px;
  padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand-name {
  font-size: 20px; font-weight: 800; color: #fff;
  margin-bottom: 12px; display: block; letter-spacing: -0.01em;
}
.footer-brand-name span { color: var(--gold); }
.footer-desc { font-size: 14px; line-height: 1.8; margin-bottom: 20px; }
.footer-email a { font-size: 14px; color: var(--gold2); }
.footer-col h5 {
  font-size: 11px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  max-width: var(--max); margin: 32px auto 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: rgba(255,255,255,0.3); flex-wrap: wrap; gap: 8px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  nav#main-nav { padding: 0 24px; }
  .wrap { padding: 0 24px; }
  footer { padding: 56px 24px 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .page-hero { padding: 132px 24px 64px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: flex-start;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--navy); padding: 24px; gap: 18px;
    border-top: 1px solid rgba(255,255,255,0.1); z-index: 999;
  }
  .hamburger { display: flex; }
  nav#main-nav { padding: 0 20px; }
  .wrap { padding: 0 20px; }
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .page-hero { padding: 112px 20px 56px; }
}
