/* Header-specific styles for Nova Rizone */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  overflow-x: clip;
}

.header-brand {
  display: inline-flex;
  align-items: center;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 30% 0, rgba(255, 70, 85, 0.5), rgba(255, 70, 85, 0.1));
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.brand-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--font-size-lg);
  line-height: var(--line-height-tight);
}

.brand-subtitle {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

/* Nav links - desktop */

.nav-links--desktop {
  align-items: center;
}

.nav-link {
  font-size: var(--font-size-sm);
  color: var(--color-gray-100);
  padding: 0.1rem 0;
}

.nav-link--cta {
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 70, 85, 0.6);
  background: radial-gradient(circle at top left, rgba(255, 70, 85, 0.28), transparent 60%);
  box-shadow: 0 10px 25px rgba(255, 70, 85, 0.35);
}

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

.nav-link--cta:hover {
  background-color: rgba(255, 70, 85, 0.18);
}

/* Mobile toggle */

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.7rem;
  height: 2.7rem;
  padding: 0;
  border-radius: 0.8rem;
  border: 1px solid rgba(148, 163, 184, 0.55);
  background-color: rgba(2, 6, 23, 0.75);
  color: var(--color-gray-100);
}

.nav-toggle-box {
  position: relative;
  width: 1.35rem;
  height: 1rem;
}

.nav-toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-gray-100);
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base);
}

.nav-toggle-line:first-child {
  top: 0;
}

.nav-toggle-line:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle-line:last-child {
  top: 100%;
  transform: translateY(-100%);
}

/* Mobile menu */

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: min(20rem, 86vw);
  height: 100dvh;
  padding: calc(var(--space-6) + 3.4rem) var(--space-5) var(--space-6);
  background: linear-gradient(to bottom, #060b1e, #020617);
  border-left: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-elevated);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--transition-slow), visibility var(--transition-slow);
  z-index: 60;
}

.mobile-menu-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background-color: rgba(15, 23, 42, 0.7);
  color: var(--color-gray-100);
  font-size: 1.5rem;
  line-height: 1;
}

.nav-links--mobile {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.nav-links--mobile .nav-link {
  font-size: var(--font-size-base);
  display: block;
  padding: 0.2rem 0;
}

.nav-links--mobile .nav-link--cta {
  margin-top: var(--space-2);
  padding: 0.75rem 1rem;
  text-align: center;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 70, 85, 0.7);
  background: radial-gradient(circle at top left, rgba(255, 70, 85, 0.36), rgba(255, 70, 85, 0.12) 70%);
  box-shadow: 0 8px 20px rgba(255, 70, 85, 0.28);
}

.nav-links--mobile .nav-link--cta::after {
  display: none;
}

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(0, 0, 0, 0.88));
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 55;
}

/* Open state */

.mobile-menu.is-open {
  transform: translateX(0);
  visibility: visible;
}

.mobile-menu-backdrop.is-active {
  opacity: 1;
  visibility: visible;
}

.nav-toggle.is-active .nav-toggle-line:first-child {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .nav-toggle-line:last-child {
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

/* Responsive behaviour */

@media (max-width: 768px) {
  .navbar-inner {
    justify-content: flex-start;
  }

  .nav-links--desktop {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }
}

@media (min-width: 769px) {
  .mobile-menu,
  .mobile-menu-backdrop {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .brand-subtitle {
    display: none;
  }
}