/* css/nav.css */
/* Invicto Security — navigation styles */
/* Updated: 2026-06-07 15:48 */

/* ============================================================
   BASE NAV
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition-mid), box-shadow var(--transition-mid), padding var(--transition-mid);
  padding: 0;
}

/* Dark hero mode — transparent */
.hero-dark .site-nav {
  background: transparent;
}

/* Light/inner page mode — solid navy */
.hero-light .site-nav {
  background: var(--navy);
}

/* Scrolled state — always solid */
.site-nav.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 24px rgba(13, 27, 42, 0.4);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 72px;
  display: flex;
  align-items: center;
  gap: 40px;
}

/* ============================================================
   LOGO
   ============================================================ */
.nav-logo {
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo-wordmark {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 22px;
  letter-spacing: 0.28em;
  color: var(--white);
  text-transform: uppercase;
  transition: color var(--transition-fast);
}
.nav-logo:hover .nav-logo-wordmark {
  color: var(--gold);
}

/* ============================================================
   DESKTOP LINKS
   ============================================================ */
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(244, 242, 238, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: 4px 0;
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition-fast);
}
.nav-link:hover,
.nav-link.active {
  color: var(--white);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ============================================================
   SERVICES DROPDOWN
   ============================================================ */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-chevron {
  font-size: 14px;
  line-height: 1;
  transition: transform var(--transition-fast);
  display: inline-block;
}
.nav-dropdown-toggle[aria-expanded="true"] .nav-chevron {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 210px;
  background: var(--navy-mid);
  border: 1px solid rgba(201, 168, 76, 0.18);
  border-radius: var(--radius-md);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
  transform: translateX(-50%) translateY(-8px);
  box-shadow: 0 8px 32px rgba(13, 27, 42, 0.4);
}
.nav-dropdown-menu.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-item {
  display: block;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: rgba(244, 242, 238, 0.75);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}
.nav-dropdown-item:hover {
  color: var(--white);
  background: rgba(201, 168, 76, 0.08);
}

/* ============================================================
   NAV CTA BUTTON
   ============================================================ */
.btn-nav-cta {
  flex-shrink: 0;
  padding: 10px 26px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gold);
  border-radius: var(--radius-pill);
  transition: background var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}
.btn-nav-cta:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

/* ============================================================
   HAMBURGER
   ============================================================ */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  border-radius: 2px;
}

/* ============================================================
   MOBILE OVERLAY
   ============================================================ */
.nav-mobile-overlay {
  position: fixed;
  inset: 0;
  background: var(--navy);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-mid), visibility var(--transition-mid);
}
.nav-mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}
.nav-mobile-close {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 20px;
  color: rgba(244, 242, 238, 0.6);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  transition: color var(--transition-fast);
  line-height: 1;
}
.nav-mobile-close:hover {
  color: var(--white);
}
.nav-mobile-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 0 32px;
}
.nav-mobile-link {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 6vw, 40px);
  color: rgba(244, 242, 238, 0.75);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color var(--transition-fast);
  padding: 6px 0;
  text-align: center;
}
.nav-mobile-link:hover {
  color: var(--white);
}
.nav-mobile-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  padding: 14px 40px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gold);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: background var(--transition-fast);
}
.nav-mobile-cta:hover {
  background: var(--gold-light);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav-links,
  .btn-nav-cta {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .nav-inner {
    padding: 0 var(--container-padding-mobile);
  }
}