/* ============================================
   SIHIA AFRICA LTD — NAVIGATION CSS v2
   White Nav with Blue & Gold Accents
   ============================================ */

/* ── Main Navigation ─────────────────────── */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  /* Padding to accommodate logo */
  padding: 2.5rem var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: background var(--transition-med), padding var(--transition-med),
              box-shadow var(--transition-med);
}

/* Transparent when over hero (on photo sections) */
#main-nav.hero-nav {
  background: transparent;
}

/* Solid white when scrolled OR on light pages */
#main-nav.scrolled,
#main-nav.light-nav {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  /* Keep some shrink on scroll but still large to match logo */
  padding: 1.8rem var(--space-md);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.05);
}

/* Accent line at bottom when scrolled */
#main-nav.scrolled::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-dark), var(--blue), var(--gold-light), var(--blue));
  background-size: 250% 100%;
  animation: gradientSlide 4s ease infinite;
}

@keyframes gradientSlide {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Logo ────────────────────────────────── */
.nav-logo {
  text-decoration: none;
  line-height: 1;
  display: flex;
  align-items: center;
}

.nav-logo img {
  /* Reduced from 240px (2 sizes down) */
  height: 160px;
  width: auto;
  object-fit: contain;
  transition: height var(--transition-fast), transform var(--transition-fast);
}

/* Shrink logo a bit when nav is scrolled */
#main-nav.scrolled .nav-logo img {
  height: 130px;
}

/* Hide legacy text spans if still present */
.nav-logo .logo-main,
.nav-logo .logo-accent {
  display: none;
}

/* ── Nav Links ───────────────────────────── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.81rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  position: relative;
  transition: color var(--transition-fast);
}

/* Animated underline */
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-light), var(--gold-light));
  border-radius: 2px;
  transition: width var(--transition-med);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

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

/* On light nav — links are navy */
#main-nav.scrolled .nav-links a,
#main-nav.light-nav .nav-links a {
  color: var(--grey);
}

#main-nav.scrolled .nav-links a:hover,
#main-nav.scrolled .nav-links a.active,
#main-nav.light-nav .nav-links a:hover,
#main-nav.light-nav .nav-links a.active {
  color: var(--blue-dark);
}

/* ── CTA Button ──────────────────────────── */
.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.81rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: none;
  box-shadow: 0 2px 8px rgba(29,78,216,0.3);
  position: relative;
  overflow: hidden;
}

.nav-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(217,119,6,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(29,78,216,0.4);
  color: var(--white);
}

.nav-cta:hover::after { opacity: 1; }

/* On light nav, use gold CTA */
#main-nav.scrolled .nav-cta,
#main-nav.light-nav .nav-cta {
  background: var(--gold);
  box-shadow: 0 2px 8px rgba(217,119,6,0.3);
  color: var(--white);
}

#main-nav.scrolled .nav-cta:hover,
#main-nav.light-nav .nav-cta:hover {
  background: var(--gold-dim);
  box-shadow: 0 6px 20px rgba(217,119,6,0.4);
  transform: translateY(-1px);
}

#main-nav.scrolled .nav-cta::after,
#main-nav.light-nav .nav-cta::after { display: none; }

/* ── Cart Icon ───────────────────────────── */
.nav-cart {
  position: relative;
  display: flex;
  align-items: center;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition-fast);
  cursor: none;
}

.nav-cart:hover { color: var(--gold-light); }

#main-nav.scrolled .nav-cart,
#main-nav.light-nav .nav-cart {
  color: var(--grey);
}

#main-nav.scrolled .nav-cart:hover,
#main-nav.light-nav .nav-cart:hover {
  color: var(--blue);
}

.nav-cart svg { width: 22px; height: 22px; }

.cart-badge {
  position: absolute;
  top: -6px;
  right: -8px;
  width: 18px;
  height: 18px;
  background: var(--gold);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(217,119,6,0.4);
}

.cart-badge.bump { animation: cartBump 0.3s ease; }

@keyframes cartBump {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.5); }
  100% { transform: scale(1); }
}

/* ── Hamburger ───────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: none;
  z-index: 1001;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast),
              background var(--transition-fast);
}

#main-nav.scrolled .nav-hamburger span,
#main-nav.light-nav .nav-hamburger span {
  background: var(--blue-dark);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Menu ─────────────────────────── */
#mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(30, 58, 138, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 998;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med);
}

#mobile-menu.open { opacity: 1; pointer-events: all; }

#mobile-menu::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(217,119,6,0.08) 0%, transparent 70%);
  border-radius: 50%;
  top: -200px;
  right: -200px;
  pointer-events: none;
}

#mobile-menu .mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

#mobile-menu .mobile-nav-links a {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
  text-align: center;
}

#mobile-menu .mobile-nav-links a:hover { color: var(--gold-light); }

#mobile-menu .mobile-cta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--gold);
  padding: 0.9rem 2.5rem;
  border-radius: var(--radius-sm);
  margin-top: var(--space-sm);
  box-shadow: 0 4px 16px rgba(217,119,6,0.4);
  font-weight: 700;
}

/* ── Cart Drawer ─────────────────────────── */
#cart-drawer {
  position: fixed;
  top: 0;
  right: -420px;
  width: 420px;
  height: 100vh;
  background: var(--white);
  border-left: 1px solid var(--border);
  box-shadow: -8px 0 40px rgba(0,0,0,0.1);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-med);
}

#cart-drawer.open { right: 0; }

.cart-drawer-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--blue-pale);
}

.cart-drawer-header h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--blue-dark);
  letter-spacing: 0.05em;
}

.cart-close-btn {
  color: var(--grey);
  font-size: 1.2rem;
  cursor: none;
  transition: color var(--transition-fast);
  background: var(--white);
  border: 1px solid var(--border);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-close-btn:hover { color: var(--blue); border-color: var(--blue); }

.cart-drawer-items { flex: 1; overflow-y: auto; padding: 1rem; }

.cart-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.cart-item-img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--light);
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.cart-item-info { flex: 1; min-width: 0; }

.cart-item-name {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-price {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold);
  font-weight: 700;
}

.cart-qty-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.cart-qty-btn {
  width: 26px;
  height: 26px;
  border: 1px solid var(--border-blue);
  background: var(--blue-pale);
  color: var(--blue);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.cart-qty-btn:hover { background: var(--blue); color: var(--white); border-color: var(--blue); }

.cart-qty-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-primary);
  min-width: 20px;
  text-align: center;
}

.cart-remove-btn {
  color: var(--grey-light);
  cursor: none;
  font-size: 1rem;
  transition: color var(--transition-fast);
  background: none;
  border: none;
  padding: 0.25rem;
}

.cart-remove-btn:hover { color: #EF4444; }

.cart-drawer-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--off-white);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.cart-total-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--grey);
  text-transform: uppercase;
}

.cart-total-amount {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--gold);
  font-weight: 700;
}

.cart-checkout-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  cursor: none;
  transition: all var(--transition-fast);
  display: block;
  text-align: center;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(29,78,216,0.3);
}

.cart-checkout-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(29,78,216,0.4);
  color: var(--white);
}

.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.4);
  z-index: 1099;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med);
  backdrop-filter: blur(3px);
}

.cart-overlay.open { opacity: 1; pointer-events: all; }

.cart-empty-msg {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  color: var(--grey);
}

.cart-empty-msg .empty-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.3; }

.cart-empty-msg p {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--grey);
}

/* ── Responsive ──────────────────────────── */
@media (max-width: 899px) {
  .nav-links { display: none; }
  .nav-cta   { display: none; }
  .nav-hamburger { display: flex; }
  #cart-drawer { width: 100%; right: -100%; }
}

@media (max-width: 480px) {
  #main-nav { padding: 1rem; }
}