:root {
  --navy: #00243d;
  --navy-light: #003556;
  --navy-dark: #001522;
  --gold: #997000;
  --gold-light: #b88700;
  --gold-pale: #f5efe0;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f0f1f3;
  --gray-200: #e2e4e7;
  --gray-300: #c5c9ce;
  --gray-400: #8b929a;
  --gray-500: #5c636a;
  --gray-600: #3a3f44;
  --gray-700: #2a2e32;
  --shadow-sm: 0 1px 3px rgba(0, 36, 61, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 36, 61, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 36, 61, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
  --font-main: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--font-main);
  color: var(--navy);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
ul {
  list-style: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gold);
  background: var(--gold-pale);
  padding: 0.35rem 1rem;
  border-radius: 50px;
  margin-bottom: 0.75rem;
}
.highlight {
  color: var(--gold);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  border: 2px solid transparent;
  line-height: 1.2;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-secondary:hover {
  background: var(--navy-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--navy);
}
.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline-light:hover {
  background: var(--white);
  color: var(--navy);
}
.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
}
.btn-full {
  width: 100%;
}

/* Inputs & Selects */
input,
textarea,
select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-main);
  background: var(--gray-50);
  transition:
    border-color 0.2s,
    box-shadow 0.2s,
    background 0.2s;
  color: var(--navy);
}
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(153, 112, 0, 0.08);
  background: var(--white);
}
textarea {
  resize: vertical;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
}
.logo-link {
  display: flex;
  align-items: center;
}
.logo-img {
  height: 45px;
  width: auto;
  border-radius: 10px;
  display: block;
}
.main-nav .nav-list {
  display: flex;
  gap: 2rem;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-500);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
.nav-link:hover,
.nav-link.active {
  color: var(--navy);
  border-bottom-color: var(--gold);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.cart-link {
  position: relative;
  display: flex;
  align-items: center;
  color: var(--navy);
}
.cart-icon {
  width: 22px;
  height: 22px;
}
.cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  background: var(--gold);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger-line {
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-nav {
  display: none;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 1rem 1.5rem;
}
.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.mobile-nav-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-500);
  padding: 0.5rem 0;
  display: block;
}
.mobile-nav-link.active {
  color: var(--gold);
}
.mobile-nav.open {
  display: block;
}

.page-hero {
  background: var(--navy);
  color: var(--white);
  padding: 3rem 1.5rem;
  text-align: center;
}
.page-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.page-hero p {
  font-size: 1.1rem;
  color: var(--gray-300);
  max-width: 600px;
  margin: 0 auto;
}

.site-footer {
  background: var(--navy-dark);
  color: var(--gray-300);
  padding: 3rem 1.5rem 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-brand p {
  margin-top: 0.75rem;
  font-size: 0.9rem;
}
.footer-links h4,
.footer-contact h4 {
  color: var(--white);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}
.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.footer-links a,
.footer-contact a {
  color: var(--gray-300);
  font-size: 0.9rem;
}
.footer-links a:hover,
.footer-contact a:hover {
  color: var(--gold);
}
.footer-contact p {
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: var(--gray-400);
}
.footer-bottom a {
  color: var(--gold);
}

.loading-state {
  text-align: center;
  padding: 3rem;
  color: var(--gray-400);
}

/* ── Skeleton Loaders ── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-100) 25%,
    var(--gray-200) 50%,
    var(--gray-100) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}
.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}
.skeleton-title {
  height: 2rem;
  width: 40%;
  margin-bottom: 1rem;
}
.skeleton-card {
  height: 80px;
  margin-bottom: 1rem;
}
.skeleton-product-card {
  height: 300px;
  border-radius: var(--radius-md);
}
.skeleton-category-card {
  height: 150px;
  border-radius: var(--radius-md);
}
.skeleton-review-slide {
  min-width: 300px;
  height: 120px;
  border-radius: var(--radius-md);
}
.skeleton-detail-image {
  height: 350px;
  border-radius: var(--radius-lg);
}
.skeleton-detail-text {
  height: 1rem;
  width: 70%;
  margin-bottom: 0.5rem;
}
.skeleton-cart-item {
  height: 100px;
  margin-bottom: 1rem;
}
.skeleton-summary {
  height: 60px;
}
.skeleton-checkout-form {
  height: 400px;
}
.skeleton-timeline {
  height: 300px;
}

/* Force AOS visibility */
[data-aos] {
  opacity: 1 !important;
  transform: none !important;
}

/* ── Back‑to‑Top Button ── */
#backToTop {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 50px;
  height: 50px;
  background: var(--white);
  color: var(--navy);
  border: 2px solid var(--gold);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease,
    visibility 0.3s,
    background 0.2s,
    color 0.2s;
  z-index: 999;
}
#backToTop.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
#backToTop:hover {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
#backToTop svg {
  width: 22px;
  height: 22px;
  transition: transform 0.2s;
}
#backToTop:hover svg {
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-hero h1 {
    font-size: 1.8rem;
  }
  .container {
    padding: 0 1rem;
  }
  .logo-img {
    height: 40px;
  }
}
@media (max-width: 600px) {
  #backToTop {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }
  #backToTop svg {
    width: 20px;
    height: 20px;
  }
}
@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .page-hero {
    padding: 2rem 1rem;
  }
  .page-hero h1 {
    font-size: 1.5rem;
  }
}