/* ============================================
   NAVBAR + MOBILE MENU + BOTTOM NAV
   Referans: Portfolio Minimal Tasarım
   ============================================ */

/* --- Navbar --- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: rgba(254, 254, 255, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

#navbar.scrolled {
  height: 58px;
  box-shadow: 0 4px 30px rgba(27, 27, 58, 0.06);
}

.nav-logo {
  display: flex;
  flex-direction: column;
}

.nav-logo .name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--charcoal);
  line-height: 1.2;
}

.nav-logo .title-tag {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--soft);
}

/* Desktop nav links */
.nav-links {
  display: none;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--mid);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--charcoal);
  border-color: var(--border-light);
  background: var(--cream);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--charcoal);
  color: white;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  border: 1px solid var(--charcoal);
  transition: var(--transition);
  touch-action: manipulation;
}

.nav-cta:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(74, 58, 255, 0.3);
}

.hamburger {
  width: 38px;
  height: 38px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: var(--cream);
  border-radius: 10px;
  border: 1px solid var(--border-light);
  cursor: pointer;
  padding: 0;
  touch-action: manipulation;
  transition: var(--transition);
}

.hamburger:hover {
  background: var(--primary-pale);
  border-color: var(--primary);
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Menu Overlay --- */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27, 27, 58, 0.4);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.menu-overlay.show {
  opacity: 1;
  pointer-events: all;
}

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  bottom: 0;
  width: min(320px, 85vw);
  z-index: 300;
  background: var(--warm-white);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

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

.menu-close {
  align-self: flex-end;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--mid);
  background: var(--cream);
  border-radius: 10px;
  border: 1px solid var(--border-light);
  cursor: pointer;
  margin-bottom: 16px;
  transition: var(--transition);
}

.menu-close:hover {
  background: var(--primary-pale);
  color: var(--primary);
}

.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--charcoal);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  opacity: 0;
  transform: translateX(20px);
}

.mobile-menu.open a {
  opacity: 1;
  transform: translateX(0);
}

.mobile-menu.open a:nth-child(2) { transition-delay: 0.05s; }
.mobile-menu.open a:nth-child(3) { transition-delay: 0.10s; }
.mobile-menu.open a:nth-child(4) { transition-delay: 0.15s; }
.mobile-menu.open a:nth-child(5) { transition-delay: 0.20s; }
.mobile-menu.open a:nth-child(7) { transition-delay: 0.25s; }
.mobile-menu.open a:nth-child(8) { transition-delay: 0.30s; }
.mobile-menu.open a:nth-child(9) { transition-delay: 0.35s; }

.mobile-menu a:hover {
  background: var(--primary-pale);
  color: var(--primary);
}

.menu-divider {
  height: 1px;
  background: var(--border-light);
  margin: 8px 0;
}

.menu-contact-btn {
  margin-top: auto !important;
  background: var(--charcoal) !important;
  color: white !important;
  border-radius: var(--radius-md) !important;
  justify-content: center;
  font-weight: 500 !important;
  padding: 16px !important;
}

/* --- Bottom Navigation --- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: rgba(254, 254, 255, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--border-light);
  padding: 10px 0 max(10px, env(safe-area-inset-bottom));
}

.bottom-nav .nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  text-decoration: none;
  touch-action: manipulation;
}

.bottom-nav .nav-icon {
  font-size: 20px;
  transition: var(--transition-bounce);
}

.bottom-nav .nav-label {
  font-size: 10px;
  font-weight: 400;
  color: var(--soft);
  transition: var(--transition);
}

.bottom-nav .nav-item.active .nav-icon {
  transform: translateY(-3px);
}

.bottom-nav .nav-item.active .nav-label {
  color: var(--primary);
  font-weight: 500;
}

/* ============================================
   DESKTOP RESPONSIVE - NAV (768px+)
   ============================================ */
@media (min-width: 768px) {
  #navbar {
    padding: 0 40px;
  }

  .nav-links {
    display: flex;
  }

  .hamburger {
    display: none;
  }

  .bottom-nav {
    display: none;
  }
}

@media (min-width: 1024px) {
  #navbar {
    padding: 0 60px;
  }
}