*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --obsidian: #0A0A0B;
  --obsidian-mid: #111114;
  --obsidian-light: #1A1A1F;
  --obsidian-border: #242428;
  --platinum: #C8C8D0;
  --platinum-dim: #8A8A96;
  --champagne: #C9A96E;
  --champagne-dim: #9A7A4A;
  --white: #F4F4F6;
  --oaei-accent: #3A5BCC;
  --oadb-accent: #C6A66D;
  --stride-accent: #16A34A;
  --s17-accent: #65EDFD;
}

html { scroll-behavior: smooth; }

body {
  background: var(--obsidian);
  color: var(--platinum);
  font-family: 'Manrope', sans-serif;
  font-weight: 300;
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.35;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 60px;
  transition: background 0.4s, padding 0.4s, border-bottom 0.4s;
}
nav.scrolled {
  background: rgba(10,10,11,0.94);
  backdrop-filter: blur(20px);
  padding: 18px 60px;
  border-bottom: 1px solid var(--obsidian-border);
}
.nav-logo-img {
  height: 52px;
  width: auto;
  display: block;
  transition: opacity 0.3s;
}
.nav-logo-img:hover { opacity: 0.85; }

.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--white);
  text-decoration: none;
  text-transform: uppercase;
}
.nav-logo span { color: var(--champagne); }

.nav-right { display: flex; align-items: center; gap: 40px; }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--platinum-dim);
  text-decoration: none;
  transition: color 0.3s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--champagne);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--champagne); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--champagne); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--platinum);
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--obsidian);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 42px;
  font-weight: 300;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s;
}
.mobile-menu a:hover { color: var(--champagne); }

/* ── MAIN ── */
main { flex: 1; padding-top: 88px; }

/* ── PAGE HERO ── */
.page-hero {
  padding: 80px 60px 60px;
  border-bottom: 1px solid var(--obsidian-border);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(ellipse, rgba(201,169,110,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.page-eyebrow {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--champagne);
  margin-bottom: 20px;
}
.page-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 300;
  color: var(--white);
  line-height: 1.0;
}
.page-title em { font-style: italic; color: var(--champagne); }
.page-sub {
  margin-top: 20px;
  font-size: 14px;
  color: var(--platinum-dim);
  max-width: 520px;
  line-height: 1.9;
}

/* ── SHARED ── */
.h-rule {
  width: 40px; height: 1px;
  background: var(--champagne);
  margin: 28px 0;
}
.section-eyebrow {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--champagne);
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 300;
  color: var(--white);
  line-height: 1.1;
}
.section-title em { font-style: italic; color: var(--champagne); }

.btn-primary {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--obsidian);
  background: var(--champagne);
  padding: 16px 40px;
  transition: background 0.3s, transform 0.3s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: #D4B87E; transform: translateY(-2px); }

.btn-outline {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--champagne);
  border: 1px solid var(--champagne-dim);
  padding: 16px 40px;
  transition: border-color 0.3s, color 0.3s, transform 0.3s;
}
.btn-outline:hover { border-color: var(--champagne); color: var(--white); transform: translateY(-2px); }

/* ── REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── FOOTER ── */
footer {
  background: var(--obsidian-mid);
  border-top: 1px solid var(--obsidian-border);
  padding: 40px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
}
.footer-logo span { color: var(--champagne); }
.footer-copy { font-size: 11px; color: var(--platinum-dim); }
.footer-links { display: flex; gap: 28px; list-style: none; }
.footer-links a {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--platinum-dim);
  text-decoration: none;
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--champagne); }

/* ── RESPONSIVE ── */
/* ── TABLET (768px–1024px) ── */
@media (max-width: 1024px) {
  nav { padding: 22px 40px; }
  nav.scrolled { padding: 16px 40px; }
  .hero-title { font-size: clamp(52px, 8vw, 90px); }
  .stats-strip { padding: 40px; gap: 40px; }
  .company-grid { grid-template-columns: 1fr 1fr; }
  .page-hero { padding: 60px 40px 48px; }
  .page-title { font-size: clamp(36px, 5vw, 64px); }
  footer { padding: 40px; }
}

/* ── MOBILE (max 768px) ── */
@media (max-width: 768px) {
  nav { padding: 20px 20px; }
  nav.scrolled { padding: 14px 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-logo-img { height: 40px; }

  .hero-title { font-size: clamp(40px, 11vw, 64px); line-height: 1.05; }
  .hero-sub { font-size: 13px; max-width: 100%; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero-scroll { display: none; }

  .stats-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 0;
  }
  .stat-item {
    padding: 28px 20px;
    border-right: 1px solid var(--obsidian-border);
    border-bottom: 1px solid var(--obsidian-border);
  }
  .stat-item:nth-child(2n) { border-right: none; }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }
  .stat-number { font-size: 36px; }

  .company-grid { grid-template-columns: 1fr; }
  .section-intro { padding: 48px 20px 0; }

  .page-hero { padding: 48px 20px 36px; }
  .page-title { font-size: clamp(32px, 9vw, 52px); }
  .page-sub { font-size: 13px; }

  footer { padding: 32px 20px; flex-direction: column; text-align: center; gap: 16px; }
  .footer-links { justify-content: center; }
}

/* ── ENHANCED MOBILE MENU ── */
.mobile-menu {
  padding: 100px 40px 60px;
  overflow-y: auto;
  justify-content: flex-start !important;
  align-items: flex-start !important;
}
.mobile-menu a {
  font-size: 36px !important;
}
.mobile-menu-section {
  width: 100%;
  border-top: 1px solid var(--obsidian-border);
  padding-top: 24px;
  margin-top: 8px;
}
.mobile-menu-section-label {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--platinum-dim);
  margin-bottom: 16px;
}
.mobile-menu-companies {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
}
.mobile-company-link {
  background: var(--obsidian-light);
  border: 1px solid var(--obsidian-border);
  padding: 16px 18px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.3s;
}
.mobile-company-link:hover { border-color: var(--champagne); }
.mobile-company-name {
  font-family: 'Cormorant Garamond', serif !important;
  font-size: 22px !important;
  font-weight: 300 !important;
  color: var(--white) !important;
  letter-spacing: 0 !important;
}
.mobile-company-sector {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.mobile-menu-footer {
  width: 100%;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--obsidian-border);
}
.mobile-menu-footer a {
  font-size: 13px !important;
  font-family: 'Manrope', sans-serif !important;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--platinum-dim) !important;
  margin-right: 24px;
}