/* ═══════════════════════════════════════════════════
   nav.css — VS Legacy Firms
   
   ARCHITECTURE:
   <header> z-index:100  → .navbar (bar + desktop links)
   <body>   z-index:9999 → .mobile-overlay (separate element,
            escapes backdrop-filter stacking context)
═══════════════════════════════════════════════════ */

/* ──────────────────────────────
   NAVBAR BAR
────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.navbar.scrolled {
  background: rgba(0,0,0,0.98);
  box-shadow: 0 2px 32px rgba(0,0,0,0.9);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Logo */
.nav-logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 1px;
  flex-shrink: 0;
}
.nav-logo-top {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  transition: color 0.2s;
}
.nav-logo-bottom {
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 300;
  font-style: italic;
  color: var(--accent);
}
.nav-logo:hover .nav-logo-top { color: rgba(255,255,255,0.72); }
.nav-logo:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

/* Desktop nav */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-link {
  font-family: var(--font-sans);
  font-size: 0.77rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  position: relative;
  padding: 0.3rem 0;
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 0; height: 1.5px;
  background: var(--accent);
  transition: width 0.22s ease;
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }
.nav-cta {
  padding: 0.48rem 1.2rem !important;
  border: 1px solid var(--accent) !important;
  color: var(--accent) !important;
  font-family: var(--font-mono) !important;
  font-size: 0.62rem !important;
  letter-spacing: 0.15em !important;
  transition: background 0.2s, color 0.2s !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--accent) !important; color: #fff !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transform-origin: right center;
  transition: transform 0.32s cubic-bezier(0.22,1,0.36,1),
              opacity 0.22s ease, width 0.22s ease;
}
.hamburger span:nth-child(1) { width: 26px; }
.hamburger span:nth-child(2) { width: 18px; }
.hamburger span:nth-child(3) { width: 26px; }
.hamburger.active span:nth-child(1) { width: 26px; transform: translateY(7px) rotate(-45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.active span:nth-child(3) { width: 26px; transform: translateY(-7px) rotate(45deg); }
.hamburger:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 4px; }

/* ═══════════════════════════════════════════════════
   MOBILE OVERLAY — PREMIUM 3-ZONE LAYOUT
   ─────────────────────────────────────────────────
   Zone 1 (top):    logo + close button
   Zone 2 (middle): numbered nav links — flex-grow fills space
   Zone 3 (bottom): CTA + social + tagline
   ═══════════════════════════════════════════════════ */

.mobile-overlay {
  /* Hidden */
  display: none;
  /* Full viewport, body-level — escapes stacking context */
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 9999;
  /* Layout: 3 zones stacked */
  flex-direction: column;
  /* Base colour + subtle grain overlay */
  background: #080808;
  /* Slide from right */
  transform: translateX(100%);
  transition: transform 0.42s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
}
/* Accent left border */
.mobile-overlay::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--accent) 30%,
    var(--accent) 70%,
    transparent 100%
  );
  opacity: 0.6;
}
.mobile-overlay.open {
  display: flex;
  transform: translateX(0);
}

/* ─── Zone 1: TOP BAR ─── */
.ov-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 64px;          /* same as navbar for alignment */
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.ov-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 1px;
}
.ov-logo-first {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
}
.ov-logo-last {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 300;
  font-style: italic;
  color: var(--accent);
}

/* Close button */
.ov-close {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  cursor: pointer;
  color: rgba(255,255,255,0.6);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.ov-close:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.ov-close:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Accent divider line */
.ov-line {
  height: 1px;
  background: linear-gradient(to right, var(--accent) 0%, rgba(254,73,28,0.2) 60%, transparent 100%);
  opacity: 0.5;
  flex-shrink: 0;
}

/* ─── Zone 2: NAV LIST (grows to fill space) ─── */
.ov-nav {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.ov-list {
  list-style: none;
  width: 100%;
  padding: 1rem 0;
}
.ov-item {
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
/* Stagger in */
.mobile-overlay.open .ov-item:nth-child(1) { opacity:1; transform:none; transition-delay:0.06s; }
.mobile-overlay.open .ov-item:nth-child(2) { opacity:1; transform:none; transition-delay:0.11s; }
.mobile-overlay.open .ov-item:nth-child(3) { opacity:1; transform:none; transition-delay:0.16s; }
.mobile-overlay.open .ov-item:nth-child(4) { opacity:1; transform:none; transition-delay:0.21s; }
.mobile-overlay.open .ov-item:nth-child(5) { opacity:1; transform:none; transition-delay:0.26s; }

.ov-link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  text-decoration: none;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  position: relative;
  overflow: hidden;
  transition: padding-left 0.25s ease;
}
/* Hover accent bar */
.ov-link::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 0; height: 2px;
  background: var(--accent);
  transform: translateY(-50%);
  transition: width 0.25s ease;
}
.ov-link:hover { padding-left: 14px; }
.ov-link:hover::before { width: 8px; }
.ov-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.ov-num {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: rgba(254,73,28,0.5);
  flex-shrink: 0;
  line-height: 1;
  margin-top: 0.35rem;
  transition: color 0.2s;
}
.ov-link:hover .ov-num { color: var(--accent); }

.ov-label {
  font-family: var(--font-sans);
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,0.35);
  transition: color 0.2s;
  line-height: 1.15;
}
.ov-link:hover .ov-label { color: #fff; }

/* ─── Zone 3: BOTTOM BAR ─── */
.ov-bottom {
  flex-shrink: 0;
  padding: 1.25rem 1.5rem 1.75rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
/* CTA button */
.ov-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent);
  color: #fff !important;
  padding: 0.9rem 1.5rem !important;
  font-family: var(--font-mono) !important;
  font-size: 0.72rem !important;
  font-weight: 500 !important;
  letter-spacing: 0.16em !important;
  text-transform: uppercase !important;
  text-decoration: none;
  border: none !important;
  width: 100%;
  justify-content: center;
  transition: background 0.2s ease, transform 0.15s ease !important;
}
.ov-cta:hover { background: #d93a12 !important; transform: translateY(-1px); }
.ov-cta svg { transition: transform 0.2s ease; }
.ov-cta:hover svg { transform: translateX(3px); }

/* Social row */
.ov-social {
  display: flex;
  gap: 0.75rem;
}
.ov-social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  text-decoration: none;
  padding: 0.45rem 0.85rem;
  border: 1px solid rgba(255,255,255,0.08);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.ov-social-link:hover { color: var(--accent); border-color: rgba(254,73,28,0.3); background: rgba(254,73,28,0.05); }

/* Tagline */
.ov-tagline {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-style: italic;
  color: rgba(255,255,255,0.15);
  letter-spacing: 0.04em;
  margin: 0;
  line-height: 1;
}
.ov-tagline em { color: rgba(254,73,28,0.35); }

/* Decorative bg mark */
.ov-bg-mark {
  position: absolute;
  right: -0.5rem; bottom: 5rem;
  font-family: var(--font-sans);
  font-size: clamp(6rem, 30vw, 10rem);
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(254,73,28,0.04);
  pointer-events: none;
  user-select: none;
  line-height: 1;
  letter-spacing: -0.05em;
  z-index: -1;
}

/* ─── Responsive visibility ─── */
@media (max-width: 768px) {
  .hamburger   { display: flex; }
  .nav-desktop { display: none; }
}
@media (min-width: 769px) {
  .mobile-overlay { display: none !important; }
}
