/* ============================================================
   SILBERBERG CAPITAL — Navigation
   Top info bar, main navbar, mobile menu, sticky header
   ============================================================ */

/* ── Top Info Bar ── */
.top-bar {
  background-color: var(--color-primary-dark);
  padding: var(--space-2) 0;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.top-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

.top-bar__item:hover {
  color: var(--color-white);
}

.top-bar__item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.top-bar__right {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.top-bar__link {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  transition: color var(--transition-fast);
}

.top-bar__link:hover {
  color: var(--color-accent-bright);
}


/* ── Main Navigation ── */
.navbar {
  background-color: var(--color-white);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* ── Logo ── */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 0;
}

.navbar__logo-image {
  width: 150px;
  max-height: 64px;
  object-fit: contain;
}

.navbar__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.navbar__logo-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-extrabold);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.navbar__logo-tagline {
  font-size: 0.625rem;
  font-weight: var(--weight-medium);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ── Nav Links ── */
.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-dark-600);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.navbar__link:hover {
  color: var(--color-accent);
  background-color: rgba(var(--color-accent-rgb), 0.05);
}

.navbar__link.active {
  color: var(--color-accent);
  font-weight: var(--weight-semibold);
}

/* ── Nav CTA Button ── */
.navbar__cta {
  margin-left: var(--space-4);
}

/* ── Mobile Menu Toggle ── */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  gap: 5px;
}

.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.navbar__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}


/* ── Mobile Menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-white);
  z-index: var(--z-overlay);
  padding: var(--space-20) var(--space-6) var(--space-6);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-menu__link {
  display: block;
  padding: var(--space-4) var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: var(--weight-medium);
  color: var(--color-dark);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-menu__link:hover,
.mobile-menu__link.active {
  color: var(--color-accent);
  background-color: rgba(var(--color-accent-rgb), 0.05);
}

.mobile-menu__cta {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.mobile-menu__close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--text-xl);
  color: var(--color-dark);
  border-radius: var(--radius-md);
}

.mobile-menu__close:hover {
  background-color: var(--color-light);
}


/* ── Responsive ── */
@media (max-width: 1024px) {
  .navbar__menu {
    display: none;
  }

  .navbar__cta {
    display: none;
  }

  .navbar__toggle {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .top-bar__left {
    gap: var(--space-4);
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }

  .navbar .container {
    height: 64px;
  }
}