/* ==================================
   CSS Variables & Design Tokens
   ================================== */
:root {
  /* Warm, natural palette inspired by Nagasaki Marche */
  --color-primary: #D1613A;
  /* Terracotta / Mikan */
  --color-primary-dark: #A84928;
  --color-secondary: #3D5A46;
  /* Matcha / Forest Green */
  --color-secondary-light: #5A7E65;
  --color-bg-body: #FDFBF7;
  /* Warm Paper */
  --color-bg-surface: #FFFFFF;
  --color-text-main: #2C2825;
  --color-text-muted: #7A7268;
  --color-border: #E8E5DF;

  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-en: 'Outfit', sans-serif;

  --shadow-sm: 0 4px 16px rgba(44, 40, 37, 0.04);
  --shadow-md: 0 12px 32px rgba(44, 40, 37, 0.08);
  --shadow-hover: 0 20px 48px rgba(44, 40, 37, 0.12);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;

  --transition-fast: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  --spacing-container: 5vw;
}

/* ==================================
   Reset & Base Styles
   ================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
.serif {
  font-family: var(--font-serif);
  font-weight: 600;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  display: block;
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  background: none;
}

/* ==================================
   Layout & Components
   ================================== */
.global-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(253, 251, 247, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-container);
  z-index: 100;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition-smooth);
}

.brand-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.2s;
}

.brand-logo:hover {
  opacity: 0.8;
}

.marche-icon {
  font-size: 1.4rem;
}

.header-actions .cart-btn {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-bg-surface);
  color: var(--color-text-main);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.header-actions .cart-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-primary);
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  height: 20px;
  min-width: 20px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  border: 2px solid var(--color-bg-body);
}

main {
  min-height: calc(100vh - 72px - 80px);
  padding-top: 72px;
  /* Offset for fixed header */
}

.global-footer {
  text-align: center;
  padding: 40px var(--spacing-container);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--color-border);
  margin-top: 60px;
}

.global-footer .footnote {
  font-size: 0.75rem;
  margin-top: 8px;
  opacity: 0.7;
}

/* Loader */
.loader {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 60vh;
  gap: 16px;
  color: var(--color-primary);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(209, 97, 58, 0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* ==================================
   Home View: Marche Portal
   ================================== */
.hero-section {
  text-align: center;
  padding: 80px var(--spacing-container) 60px;
  background: linear-gradient(180deg, rgba(235, 241, 235, 0.6) 0%, rgba(253, 251, 247, 0) 100%);
}

.hero-subtitle {
  font-family: var(--font-en);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-secondary);
  margin-bottom: 16px;
  display: block;
}

.hero-title {
  font-size: 2.5rem;
  color: var(--color-secondary);
  margin-bottom: 24px;
  line-height: 1.3;
}

.hero-desc {
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.shops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
  padding: 0 var(--spacing-container) 80px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Shop Card */
.shop-card {
  background: var(--color-bg-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  text-align: left;
  border: 1px solid transparent;
}

.shop-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(209, 97, 58, 0.2);
}

.shop-card-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.shop-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 0;
}

.shop-card:hover .shop-card-img {
  transform: scale(1.05);
}

.shop-category-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  color: var(--color-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.shop-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.shop-card-area {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.shop-card-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--color-text-main);
}

.shop-card-concept {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
  flex: 1;
}

.shop-card-action {
  font-weight: 600;
  color: var(--color-secondary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.shop-card:hover .shop-card-action {
  color: var(--color-primary);
  gap: 12px;
}

/* ==================================
   Shop View: Pera-ichi EC Let
   ================================== */
.shop-view {
  animation: fadeIn 0.5s ease-out forwards;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.shop-nav {
  padding: 24px var(--spacing-container);
  max-width: 1200px;
  margin: 0 auto;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.back-btn:hover {
  color: var(--color-primary);
}

/* Shop Hero */
.shop-hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-container);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 80px;
}

.shop-hero-image {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.shop-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.shop-hero-content {
  padding-right: 20px;
}

.shop-hero-area {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  background: var(--color-secondary);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.shop-hero-concept {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 24px;
  color: var(--color-text-main);
}

.shop-hero-name {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 24px;
}

.shop-hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.shop-meta-info {
  background: #fff;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.shop-meta-item {
  display: flex;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.shop-meta-item:last-child {
  margin-bottom: 0;
}

.shop-meta-label {
  width: 100px;
  color: var(--color-text-muted);
  font-weight: 600;
}

.shop-meta-value {
  color: var(--color-text-main);
  flex: 1;
}

/* Products Section */
.products-section {
  background: var(--color-bg-surface);
  padding: 80px var(--spacing-container);
  border-top: 1px solid var(--color-border);
}

.products-section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  color: var(--color-secondary);
  margin-bottom: 48px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 32px;
}

.product-card {
  display: flex;
  flex-direction: column;
  transition: var(--transition-fast);
}

.product-card:hover .product-img {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.product-img-wrap {
  aspect-ratio: 1/1;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
  background: #f0f0f0;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
  border-radius: 0;
}

.product-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.product-price {
  font-family: var(--font-en);
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: 600;
}

.product-price span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
}

.add-cart-btn {
  margin-top: 12px;
  background: var(--color-bg-body);
  border: 1px solid var(--color-secondary);
  color: var(--color-secondary);
  padding: 12px 0;
  border-radius: var(--radius-full);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.add-cart-btn:hover {
  background: var(--color-secondary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ==================================
   Responsive Design
   ================================== */
@media (max-width: 900px) {
  .shop-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .shop-hero-image {
    aspect-ratio: 16/9;
  }

  .shop-hero-content {
    padding-right: 0;
  }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 2rem;
  }

  .shop-hero-concept {
    font-size: 1.8rem;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .products-section {
    padding: 60px 16px;
  }

  .add-cart-btn {
    font-size: 0.85rem;
    padding: 10px 0;
  }
}

@media (max-width: 400px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* Virtual World Section */
.virtual-world-section {
  padding: 80px var(--spacing-container);
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.virtual-world-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  /* 16:9 Aspect Ratio */
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: 40px;
}

.virtual-world-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.vket-attribution {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  opacity: 0.8;
  transition: var(--transition-fast);
}

.vket-attribution:hover {
  opacity: 1;
}

.vket-logo-link {
  display: block;
  height: 24px;
}

.vket-logo-link img {
  height: 100%;
  width: auto;
  border-radius: 0;
}

@media (max-width: 600px) {
  .virtual-world-container {
    padding-top: 75%;
    /* 4:3 for mobile maybe? or stick to 16:9 */
  }
}