/* --- NAVIGATION --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-4) 0;
  transition: all var(--transition-base);
  background: transparent;
  width: 100%;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  padding: var(--space-2) 0;
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo-svg {
  height: 45px;
  width: auto;
  transition: height var(--transition-base);
}

.navbar.scrolled .nav-logo-svg {
  height: 38px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-white);
  letter-spacing: 0.5px;
  position: relative;
  transition: color var(--transition-fast);
}

.navbar.scrolled .nav-link {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-sunset);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--color-accent-sunset);
  color: var(--color-white) !important;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(224, 122, 58, 0.4);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: var(--z-overlay);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
  position: absolute;
  left: 0;
}

.hamburger { top: 50%; transform: translateY(-50%); }
.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.navbar.scrolled .hamburger,
.navbar.scrolled .hamburger::before,
.navbar.scrolled .hamburger::after {
  background: var(--color-primary);
}

.nav-toggle.active .hamburger { background: transparent; }
.nav-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
  background: var(--color-white);
}
.nav-toggle.active .hamburger::after {
  bottom: 0;
  transform: rotate(-45deg);
  background: var(--color-white);
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    background: var(--color-primary-dark);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-8);
    transition: right var(--transition-slow);
    box-shadow: -10px 0 30px rgba(0,0,0,0.3);
    overflow: hidden;
    overscroll-behavior: none;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-menu .nav-link {
    color: var(--color-white) !important;
    font-size: var(--text-xl);
  }
}