:root {
  --nav-text: #334155;
  --nav-text-hover: #7c3aed;
  --nav-accent: #7c3aed;
  --nav-accent-2: #6d28d9;
  --nav-dark: #0b0f1a;
  --nav-height: 72px;
  --nav-height-scrolled: 64px;
  --nav-radius: 100px;
  --nav-pill-max: 1200px;
  --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.navbar-custom {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  height: var(--nav-height-scrolled);
  transition: height var(--transition), background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition), padding var(--transition);
}

.navbar-custom.scrolled {
  height: auto;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  
  padding-top: 12px;
  align-items: flex-start;
}

.nav-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  height: var(--nav-height-scrolled);
  transition: height var(--transition), max-width var(--transition), border-radius var(--transition), background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.navbar-custom.scrolled .nav-container {
  max-width: var(--nav-pill-max);
  border-radius: var(--nav-radius);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: transparent;
  backdrop-filter: blur(8px);
  box-shadow: 0px 0px 08px 0px ;
  -webkit-backdrop-filter: blur(8px);
  height: var(--nav-height);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  outline: none;
}

.nav-logo:focus-visible {
  outline: 2px solid var(--nav-accent);
  outline-offset: 4px;
  border-radius: 8px;
}

.logo-white,
.logo-dark {
  height: 46px;
  width: auto;
  transition: transform var(--transition), opacity var(--transition);
}

.navbar-custom.scrolled .logo-white,
.navbar-custom.scrolled .logo-dark {
  height: 38px;
}

.logo-white { display: block; }
.logo-dark { display: none; }

.navbar-custom:not(.nav-dark-bg) .logo-white { display: none; }
.navbar-custom:not(.nav-dark-bg) .logo-dark { display: block; }

.nav-logo:hover .logo-white,
.nav-logo:hover .logo-dark {
  opacity: 0.85;
  transform: scale(1.03);
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  color: var(--nav-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 18px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: color 0.15s ease;
  position: relative;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.nav-link:hover {
  color: var(--nav-accent);
  background: rgba(124, 58, 237, 0.08);
}

.nav-link.active {
  color: var(--nav-accent);
  /* background: rgba(124, 58, 237, 0.10); */
}

.navbar-custom.nav-dark-bg .nav-link {
  color: rgba(255, 255, 255, 0.8);
}

.navbar-custom.nav-dark-bg .nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.navbar-custom.nav-dark-bg .nav-link.active {
  color: #ffffff;
  /* background: rgba(255, 255, 255, 0.12); */
}

.navbar-custom.nav-dark-bg .nav-link::after {
  background: rgba(255, 255, 255, 0.7);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 3px;
  left: 18px;
  right: 18px;
  height: 2.5px;
  background: var(--nav-accent);
  border-radius: 3px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-link.active::after {
  transform: scaleX(1);
}

.dropdown-toggle::after {
  display: none;
}

.chevron {
  transition: transform var(--transition);
  flex-shrink: 0;
  opacity: 0.5;
  width: 12px;
  height: 12px;
}

.dropdown:hover .chevron,
.dropdown.open .chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.navbar-custom.nav-dark-bg .chevron {
  color: rgba(255, 255, 255, 0.6);
  opacity: 0.8;
}

.nav-item {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% - 4px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #ffffff;
  list-style: none;
  min-width: 230px;
  border-radius: 10px;
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(124, 58, 237, 0.10);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), visibility 0s linear 0.4s;
  z-index: 9998;
}

.dropdown-menu::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid #ffffff;
  filter: drop-shadow(0 -1px 1px rgba(124, 58, 237, 0.06));
}

.dropdown:hover .dropdown-menu,
.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(4px);
}

.dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: -16px;
  right: -16px;
  height: 14px;
  background: transparent;
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: #475569;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 8px;
  transition: background var(--transition), padding-left var(--transition), gap var(--transition);
}

.dropdown-link:hover,
.dropdown-link.active {
  background: rgba(124, 58, 237, 0.07);
  color: var(--nav-accent);
  padding-left: 18px;
  gap: 14px;
}

.drop-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(124, 58, 237, 0.10);
  border-radius: 7px;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  color: var(--nav-accent);
  font-size: 0.78rem;
}

.dropdown-link:hover .drop-icon {
  background: var(--nav-accent);
  color: #fff;
  transform: scale(1.05);
}

.dropdown-menu li:first-child .dropdown-link {
  border-bottom: 1px solid rgba(124, 58, 237, 0.08);
  margin-bottom: 4px;
  padding-bottom: 12px;
  border-radius: 8px 8px 0 0;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 50px;
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.30);
  transition: transform var(--transition), box-shadow var(--transition);
  flex-shrink: 0;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.nav-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #6d28d9, #5b21b6);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: 50px;
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(124, 58, 237, 0.42);
  color: #ffffff;
}

.nav-btn:hover::before {
  opacity: 1;
}

.nav-btn > * {
  position: relative;
  z-index: 1;
}

.nav-btn:focus-visible {
  outline: 2px solid var(--nav-accent);
  outline-offset: 3px;
}

.nav-btn i {
  font-size: 0.8rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 10px;
  transition: background var(--transition);
  flex-shrink: 0;
  outline: none;
}

.hamburger:focus-visible {
  outline: 2px solid var(--nav-accent);
  outline-offset: 2px;
}

.hamburger:hover {
  background: rgba(124, 58, 237, 0.08);
}

.ham-line {
  display: block;
  width: 20px;
  height: 2.5px;
  background: #1e293b;
  border-radius: 3px;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.25s ease, background var(--transition);
  transform-origin: center;
}

.navbar-custom.nav-dark-bg .ham-line {
  background: #ffffff;
}

.hamburger.open .ham-line:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.hamburger.open .ham-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.open .ham-line:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9997;
  opacity: 0;
  transition: opacity 0.4s ease;
  cursor: pointer;
}

.nav-overlay.visible {
  opacity: 1;
}

.mobile-cta {
  display: none;
}

.nav-btn-mobile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 22px;
  border-radius: 50px;
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.25);
  transition: transform var(--transition), box-shadow var(--transition);
}

.nav-btn-mobile:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(124, 58, 237, 0.4);
  color: #fff;
}

@media (max-width: 1100px) {
  .nav-container { padding: 0 24px; }
  .nav-link { padding: 8px 12px; font-size: 0.85rem; }
  .nav-btn { padding: 9px 18px; font-size: 0.8rem; }
}

@media (max-width: 900px) {
  .hamburger { display: flex; }
  .nav-btn { display: none; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(340px, 85vw);
    height: 100dvh;
    background: var(--nav-dark);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 96px 24px 36px;
    gap: 4px;
    z-index: 9998;
    transform: translateX(110%);
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav-menu.active { transform: translateX(0); }
  .nav-overlay { display: block; }

  .nav-link {
    color: rgba(255, 255, 255, 0.78);
    font-size: 1rem;
    padding: 13px 18px;
    border-radius: 10px;
    width: 100%;
    justify-content: space-between;
  }

  .nav-link:hover,
  .nav-link.active {
    color: #ffffff;
    background: rgba(124, 58, 237, 0.14);
  }

  .nav-link::after { display: none; }

  .dropdown-menu {
    position: static;
    transform: none !important;
    opacity: 1;
    pointer-events: all;
    background: rgba(255, 255, 255, 0.04);
    box-shadow: none;
    border-radius: 10px;
    padding: 6px;
    margin-top: 4px;
    display: none;
    border: 1px solid rgba(255, 255, 255, 0.06);
  }

  .dropdown-menu::before { display: none; }
  .dropdown.open .dropdown-menu { display: block; }

  .dropdown-link {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.9rem;
    padding: 11px 14px;
  }

  .dropdown-link:hover,
  .dropdown-link.active {
    background: rgba(124, 58, 237, 0.12);
    color: #a78bfa;
    padding-left: 18px;
  }

  .drop-icon {
    background: rgba(124, 58, 237, 0.15);
    color: #a78bfa;
  }

  .dropdown-link:hover .drop-icon {
    background: var(--nav-accent);
    color: #fff;
  }

  .dropdown-menu li:first-child .dropdown-link {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .chevron { color: rgba(255, 255, 255, 0.45); }

  .mobile-cta { display: list-item; margin-top: 20px; padding: 0 4px; }
  .hamburger.open .ham-line { background: #fff; }
}

@media (max-width: 480px) {
  .navbar-custom { height: 60px; }
  .nav-container { padding: 0 16px; height: 60px; }
  .logo-img { height: 40px; }
  .navbar-custom.scrolled .nav-container { height: 60px; padding: 0 16px; }
  .navbar-custom.scrolled .logo-img { height: 34px; }
  .nav-menu { padding-top: calc(60px + 24px); width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .navbar-custom,
  .nav-menu,
  .nav-link,
  .nav-btn,
  .nav-btn::before,
  .logo-img,
  .dropdown-menu,
  .chevron,
  .ham-line,
  .drop-icon,
  .nav-overlay {
    transition: none !important;
    animation: none !important;
  }
}

@media print {
  .navbar-custom {
    position: static;
    background: #fff !important;
    box-shadow: none;
    backdrop-filter: none;
  }
  .hamburger,
  .nav-btn { display: none; }
}

.navbar-custom .dropdown-menu {
  display: block !important;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility 0s linear 0.4s;
}

.navbar-custom .dropdown:hover .dropdown-menu,
.navbar-custom .dropdown.open .dropdown-menu {
  opacity: 1 !important;
  visibility: visible;
  pointer-events: all !important;
  transform: translateX(-50%) translateY(4px) !important;
  transition: opacity var(--transition), transform var(--transition), visibility 0s linear 0s;
}

@media (max-width: 900px) {
  .navbar-custom .dropdown-menu {
    display: none !important;
    transform: none !important;
  }
  .navbar-custom .dropdown.open .dropdown-menu {
    display: block !important;
    opacity: 1 !important;
    visibility: visible;
    pointer-events: all !important;
  }
}