/* ============================================
   WebExcel - Navigation Styles
   ============================================ */

/* ---- Announcement Bar ---- */
.announcement-bar {
  background: var(--grad-accent);
  color: var(--white);
  text-align: center;
  padding: 8px 16px;
  font-size: clamp(0.7rem, 2.5vw, 0.78rem);
  font-weight: 500;
  letter-spacing: 0.03em;
  position: relative;
  z-index: 10;
}
.announcement-bar span { opacity: 0.7; margin: 0 10px; }
.announcement-bar a { color: var(--white); font-weight: 700; text-decoration: none; border-bottom: 1.5px solid rgba(255,255,255,0.4); }
.announcement-bar a:hover { border-bottom-color: var(--white); }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: all 0.3s ease;
}
.site-header.scrolled {
  background: rgba(6, 14, 30, 0.98);
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  transition: padding 0.3s ease;
}

.site-header.scrolled .header-inner {
  padding: 12px 0;
}

/* ---- Logo ---- */
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px; height: 42px;
  background: var(--grad-accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--white);
  font-family: var(--font-main);
  letter-spacing: -1px;
  box-shadow: var(--shadow-accent);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name {
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--white);
  letter-spacing: -0.02em;
}
.logo-name span { color: var(--accent); }
.logo-tagline {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.45);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---- Navigation ---- */
.site-nav { display: flex; align-items: center; gap: 4px; }

.nav-item { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 9px 14px;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--white); background: rgba(255,255,255,0.07); }
.nav-link .nav-arrow { font-size: 0.65rem; opacity: 0.6; transition: transform 0.3s; }
.nav-item:hover .nav-arrow { transform: rotate(180deg); }

/* ---- Dropdown ---- */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  background: #0d1a2e;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
}
.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -6px; left: 50%;
  transform: translateX(-50%);
  width: 12px; height: 12px;
  background: var(--primary-light);
  border-top: 1px solid rgba(255,255,255,0.08);
  border-left: 1px solid rgba(255,255,255,0.08);
  transform: translateX(-50%) rotate(45deg);
}
.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: rgba(255,255,255,0.75);
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.dropdown-link:hover { color: var(--white); background: rgba(30, 107, 255, 0.15); }
.dropdown-link .d-icon { font-size: 1rem; }

/* ---- Header CTA ---- */
.header-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
/* Removed header-phone styles as per HTML structure update */

/* ---- Mobile Toggle ---- */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: transparent;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- Mobile Nav (Refactored) ---- */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  height: 100dvh; /* Dynamic viewport height for mobile browsers */
  z-index: 9999;
  background: #060e1e;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.5s ease,
              visibility 0.6s linear;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.mobile-nav.open { 
  transform: translateX(0); 
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.5s ease;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  padding-top: calc(16px + env(safe-area-inset-top));
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: #0a1628;
  flex-shrink: 0;
}

.mobile-nav-close {
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  color: var(--white);
  font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-nav-close i { transition: transform 0.3s ease; }
.mobile-nav-close:hover i { transform: rotate(90deg); }
.mobile-nav-close:active { transform: scale(0.9); background: rgba(255,255,255,0.15); }

.mobile-nav-content {
  flex: 1;
  overflow-y: auto;
  padding: 32px 24px;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  color: rgba(255,255,255,0.9);
  font-size: 1.2rem;
  font-weight: 600;
  border-radius: 14px;
  transition: all 0.3s ease;
  margin-bottom: 6px;
  text-decoration: none;
  opacity: 0;
  transform: translateY(15px);
}

.mobile-nav.open .mobile-nav-link {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered entrance */
.mobile-nav.open .mobile-nav-link:nth-child(1) { transition-delay: 0.10s; }
.mobile-nav.open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav.open .mobile-nav-link:nth-child(3) { transition-delay: 0.20s; }
.mobile-nav.open .mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav.open .mobile-nav-link:nth-child(5) { transition-delay: 0.30s; }
.mobile-nav.open .mobile-nav-link:nth-child(6) { transition-delay: 0.35s; }
.mobile-nav.open .mobile-nav-link:nth-child(7) { transition-delay: 0.40s; }

.mobile-nav-link:active { background: rgba(255,255,255,0.06); color: var(--accent); }
.mobile-nav-link.active { color: var(--accent); background: rgba(30, 107, 255, 0.1); }

.mobile-nav-link .mob-arrow {
  font-size: 0.8rem;
  opacity: 0.4;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-sub { 
  max-height: 0;
  overflow: hidden;
  padding: 0 0 0 24px; 
  display: flex; 
  flex-direction: column;
  gap: 2px;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s;
}
.mobile-sub.open { 
  max-height: 500px; 
  padding: 4px 0 16px 24px;
}

.mobile-sub-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
  font-weight: 500;
  border-radius: 12px;
  transition: all 0.2s ease;
  text-decoration: none;
}
.mobile-sub-link i { font-size: 0.9rem; color: var(--accent); opacity: 0.8; }
.mobile-sub-link:active { color: var(--white); background: rgba(255,255,255,0.04); }

.mobile-nav-cta { 
  margin-top: 40px; 
  padding: 0 16px;
  display: flex; 
  flex-direction: column; 
  gap: 16px; 
}

.mobile-nav-footer {
  padding: 40px 24px;
  padding-bottom: calc(40px + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(255,255,255,0.06);
  background: #0a1628;
  flex-shrink: 0;
}
.mobile-nav-footer p { font-size: 0.85rem; color: rgba(255,255,255,0.4); line-height: 1.6; margin-bottom: 0; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .site-nav, .header-phone { display: none; }
  .menu-toggle { display: flex; }
}

@media (max-width: 480px) {
  .logo-tagline { display: none; }
  .header-inner { padding: 12px 0; }
  .logo-icon { width: 34px; height: 34px; font-size: 1.1rem; border-radius: 8px; }
  .logo-name { font-size: 1.05rem; }
  .header-cta .btn { padding: 8px 16px; font-size: 0.8rem; }
  .header-cta { gap: 16px; }
}