/* ==========================================================================
   VM THOTTAM ASEEL GROUPS - NAVBAR & HEADER (< 300 lines)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 7, 11, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--trans-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 1.0rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  background: transparent;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.6));
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-ui);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #ffffff;
  line-height: 1.15;
}

.brand-title span {
  color: var(--accent-gold);
}

.brand-tagline {
  font-family: var(--font-tamil);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-tamil);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all var(--trans-fast);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.12);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.header-join-btn {
  font-size: 0.85rem;
  padding: 0.45rem 1.0rem;
  white-space: nowrap;
}

.install-app-btn {
  display: none;
  align-items: center;
  gap: 0.45rem;
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
  color: #000000;
  border: none;
  font-family: var(--font-tamil);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--trans-fast);
  box-shadow: 0 2px 10px var(--accent-gold-glow);
}

.install-app-btn.visible {
  display: inline-flex;
}

.install-app-btn:hover {
  background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--accent-gold-glow);
}

#headerUserControls {
  display: flex;
  align-items: center;
}

.login-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--border-subtle);
  color: var(--accent-gold);
  font-family: var(--font-tamil);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--trans-fast);
}

.login-nav-btn:hover {
  background: var(--accent-gold);
  color: #000000;
  box-shadow: 0 0 14px var(--accent-gold-glow);
}


.mobile-menu-btn {
  display: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10001;
  display: none;
  justify-content: flex-end;
}

.mobile-drawer.active {
  display: flex;
}

.drawer-content {
  width: 84%;
  max-width: 320px;
  height: 100%;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  padding: 1.5rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  overflow-y: auto;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.drawer-links .nav-link {
  display: block;
  font-size: 0.95rem;
  padding: 0.6rem 0.8rem;
}

@media (max-width: 960px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 60px;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    gap: 0.5rem;
  }
  .brand-logo {
    width: 34px;
    height: 34px;
  }
  .brand-title {
    font-size: 0.88rem;
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .brand-tagline, .header-join-btn {
    display: none !important;
  }
  .install-app-btn {
    display: none !important;
  }
  .header-actions {
    gap: 0.4rem;
  }
}

@media (max-width: 420px) {
  .header-inner {
    padding-left: 0.35rem;
    padding-right: 0.35rem;
    gap: 0.35rem;
  }
  .brand-wrapper {
    gap: 0.4rem;
  }
  .brand-logo {
    width: 30px;
    height: 30px;
  }
  .brand-title {
    max-width: 120px;
    font-size: 0.82rem;
  }
  .login-nav-btn {
    padding: 0.35rem 0.5rem;
    font-size: 0.75rem;
  }
  .mobile-menu-btn {
    padding: 0.35rem 0.5rem;
    font-size: 1.1rem;
  }
}

@media (max-width: 360px) {
  .brand-title {
    max-width: 105px;
    font-size: 0.78rem;
  }
  .login-nav-btn span {
    display: none;
  }
  .login-nav-btn {
    padding: 0.35rem 0.45rem;
  }
}