/* --- Premium Navigation & Header --- */

nav {
  position: relative;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 1200px;
  height: 70px;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 40px;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  animation: slideInDown 1s ease-out;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}


.logo {
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-gold);
  text-decoration: none;
  transition: 0.3s;
}

.logo:hover {
  filter: brightness(1.2);
  letter-spacing: 3px;
}

/* --- Navigation Links --- */
.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-links li {
  display: block;
}

.nav-links a {
  text-decoration: none;
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: 0.3s ease;
  opacity: 0.7;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: 0.3s ease;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--accent-gold);
}

.nav-links a:hover::after {
  width: 100%;
}

/* --- Nav CTA & Actions --- */
.nav-cta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.cart-btn {
  background: var(--accent-gold);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 8px 16px rgba(212, 175, 55, 0.2);
}

.cart-btn svg {
  color: #000;
  stroke: #000;
}

.cart-btn:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 12px 24px rgba(212, 175, 55, 0.3);
}

#cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #fff;
  color: #000;
  font-size: 0.65rem;
  font-weight: 900;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 2.5px solid #000;
}

.profile-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  opacity: 0.8;
  transition: 0.4s;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 30px;
}

.profile-link:hover {
  opacity: 1;
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.05);
}

/* --- Hamburger Menu --- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 10001;
  padding: 5px;
  transition: 0.3s;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background: #fff;
  transition: 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  border-radius: 5px;
}

.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); background: var(--accent-gold); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: translateX(20px); }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); background: var(--accent-gold); }

.mobile-only {
  display: none !important;
}

/* --- Mobile Navigation Hub --- */
@media (max-width: 1024px) {
  nav {
    width: 92%;
    padding: 0 25px;
    height: 60px;
    top: 15px;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 85%;
    max-width: 400px;
    height: 100vh;
    background: rgba(10, 15, 24, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-left: 60px;
    gap: 25px;
    z-index: 10000;
    transform: translateX(-100%);
    transition: 0.8s cubic-bezier(0.19, 1, 0.22, 1);
    opacity: 0;
    visibility: hidden;
    box-shadow: 30px 0 100px rgba(0,0,0,0.8);
    border-right: 1px solid var(--border);
  }

  .nav-links.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }

  /* Overlay for when menu is open */
  .nav-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: 0.4s;
  }

  .nav-menu-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  .nav-links li {
    transform: translateX(-30px);
    opacity: 0;
    transition: 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  }

  .nav-links.active li {
    transform: translateX(0);
    opacity: 1;
  }

  /* Staggered load for mobile links */
  .nav-links.active li:nth-child(1) { transition-delay: 0.1s; }
  .nav-links.active li:nth-child(2) { transition-delay: 0.2s; }
  .nav-links.active li:nth-child(3) { transition-delay: 0.3s; }
  .nav-links.active li:nth-child(4) { transition-delay: 0.4s; }
  .nav-links.active li:nth-child(5) { transition-delay: 0.5s; }

  .nav-links a {
    font-size: 2rem;
    font-weight: 800;
  }

  .hamburger {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .mobile-only {
    display: block !important;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    width: 60%;
    text-align: center;
  }
}

@keyframes slideInDown {
  from { transform: translate(-50%, -100px); opacity: 0; }
  to { transform: translate(-50%, 0); opacity: 1; }
}

/* --- Modal & Cart Sidebar --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 10002;
  opacity: 0;
  visibility: hidden;
  transition: 0.4s;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.cart-sidebar {
  position: fixed;
  top: 0;
  right: -500px;
  width: 450px;
  height: 100vh;
  background: var(--surface-dark);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: 0.6s cubic-bezier(0.19, 1, 0.22, 1);
  z-index: 10003;
  box-shadow: -20px 0 50px rgba(0,0,0,0.5);
}

.modal-overlay.active .cart-sidebar {
  right: 0;
}

.cart-header {
  padding: 40px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.cart-header h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-gold);
}

.close-modal {
  background: transparent;
  border: none;
  font-size: 2.5rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: 0.3s;
}

.close-modal:hover {
  color: var(--accent-gold);
  transform: rotate(90deg);
}

.cart-items-list {
  flex-grow: 1;
  overflow-y: auto;
  padding: 30px;
}

.cart-footer {
  padding: 30px;
  background: rgba(255,255,255,0.02);
  border-top: 1px solid var(--border);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  margin-bottom: 25px;
}

.cart-total span { color: var(--text-secondary); font-size: 1.1rem; }
.cart-total strong { font-size: 2rem; font-weight: 900; color: var(--accent-gold); }

/* --- Cart Item Style --- */
.cart-item {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  animation: fadeIn 0.5s ease forwards;
  position: relative;
}

.cart-item-img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: 12px;
}

.cart-item-info {
  flex-grow: 1;
}

.cart-item-info h4 {
  font-size: 1rem;
  margin-bottom: 4px;
  font-weight: 700;
}

.cart-item-info p {
  color: var(--accent-gold);
  font-weight: 800;
  font-size: 0.9rem;
}

.remove-item {
  background: rgba(255, 0, 0, 0.1);
  color: #ff4d4d;
  border: 1px solid rgba(255, 0, 0, 0.2);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: 0.3s;
}

.remove-item:hover {
  background: #ff4d4d;
  color: #fff;
  transform: rotate(90deg);
}

@media (max-width: 500px) {
  .cart-sidebar { 
    width: 100%; 
    right: -100%; 
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}