/* CSS Custom Properties (Variables) */
:root {
  /* Brand Colors */
  --color-ink-black: #1a1a1a;
  --color-sakura-blush: #ff9eb5;
  --color-indigo-denim: #4338ca;
  --color-rice-white: #f8f8f8;
  
  /* Extended Palette */
  --color-white: #ffffff;
  --color-light-gray: #f3f4f6;
  --color-medium-gray: #9ca3af;
  --color-dark-gray: #374151;
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing (8px base system) */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 96px;
  
  /* Layout */
  --container-max-width: 1200px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-ink-black);
  background-color: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: var(--font-weight-semibold);
}

h1 {
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--color-indigo-denim);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
}

/* Layout Components */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section-content {
  text-align: center;
}

/* Header */
.header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-light-gray);
  padding: var(--spacing-sm) 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.brand-name {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-ink-black);
}

.back-link {
  color: var(--color-medium-gray);
  font-weight: var(--font-weight-medium);
}

/* Hero Section */
.hero {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--color-rice-white) 0%, var(--color-white) 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.hero-text {
  text-align: left;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.125rem;
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-lg);
}

.cta-button {
  background: var(--color-indigo-denim);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all 0.2s ease;
}

.cta-button:hover {
  background: var(--color-ink-black);
  transform: translateY(-1px);
}

.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  width: 100%;
  max-width: 400px;
  height: 300px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Section Layouts */
.featured-collections,
.product-showcase,
.membership,
.size-guidance {
  padding: var(--spacing-3xl) 0;
}

.featured-collections h2,
.product-showcase h2,
.membership h2,
.size-guidance h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

/* Grid Components */
.collections-grid,
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.collection-card,
.product-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.collection-card:hover,
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.collection-image,
.product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 0;
}

.collection-content,
.product-content {
  padding: var(--spacing-md);
}

.collection-card h3,
.product-card h3 {
  margin-bottom: var(--spacing-xs);
}

.collection-card p,
.product-card p {
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-sm);
}

.product-price {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-indigo-denim);
  margin-bottom: var(--spacing-sm);
}

.product-button {
  background: var(--color-sakura-blush);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  width: 100%;
  transition: all 0.2s ease;
}

.product-button:hover {
  background: var(--color-indigo-denim);
}

/* Two Column Layouts */
.curation-info,
.delivery-info,
.stylist-service {
  padding: var(--spacing-3xl) 0;
  background: var(--color-rice-white);
}

.curation-content,
.delivery-content,
.stylist-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.curation-text,
.delivery-text,
.stylist-text {
  text-align: left;
}

.curation-text h2,
.delivery-text h2,
.stylist-text h2 {
  margin-bottom: var(--spacing-md);
  text-align: left;
}

.curation-text p,
.delivery-text p,
.stylist-text p {
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-md);
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
}

.feature-list li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-sakura-blush);
  font-weight: var(--font-weight-bold);
}

.data-visualization {
  width: 100%;
  max-width: 400px;
  height: auto;
}

.delivery-image,
.stylist-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

/* Membership Cards */
.membership-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

.membership-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.membership-card.featured {
  border: 2px solid var(--color-sakura-blush);
  transform: scale(1.05);
}

.membership-card h3 {
  margin-bottom: var(--spacing-sm);
}

.membership-card .price {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-indigo-denim);
  margin-bottom: var(--spacing-md);
}

.membership-card ul {
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.membership-card li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
}

.membership-card li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-sakura-blush);
  font-weight: var(--font-weight-bold);
}

.membership-button {
  background: var(--color-indigo-denim);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  width: 100%;
  transition: all 0.2s ease;
}

.membership-button:hover {
  background: var(--color-ink-black);
}

/* Delivery Features */
.delivery-features {
  display: grid;
  gap: var(--spacing-md);
}

.delivery-feature {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.feature-icon {
  font-size: 1.5rem;
  min-width: 40px;
}

.delivery-feature h4 {
  margin-bottom: var(--spacing-xs);
}

.delivery-feature p {
  color: var(--color-medium-gray);
  margin: 0;
}

/* Size Guidance Grid */
.guidance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.guidance-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.guidance-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.guidance-card h3 {
  margin-bottom: var(--spacing-md);
}

.guidance-card p {
  color: var(--color-dark-gray);
  margin: 0;
}

/* Stylist Features */
.stylist-features {
  display: grid;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.stylist-feature {
  padding-left: var(--spacing-md);
  position: relative;
}

.stylist-feature:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-sakura-blush);
  font-weight: var(--font-weight-bold);
}

.stylist-button {
  background: var(--color-sakura-blush);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all 0.2s ease;
}

.stylist-button:hover {
  background: var(--color-indigo-denim);
}

/* Contacts Section */
.contacts {
  padding: var(--spacing-3xl) 0;
  background: var(--color-rice-white);
}

.contacts h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.contacts-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.contact-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  text-align: left;
}

.contact-icon {
  font-size: 1.5rem;
  min-width: 40px;
}

.contact-item h3 {
  margin-bottom: var(--spacing-xs);
}

.contact-item p {
  color: var(--color-dark-gray);
  margin: 0;
}

/* Footer */
.footer {
  background: var(--color-ink-black);
  color: var(--color-rice-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
}

.footer-brand .logo-brand .brand-name {
  color: var(--color-rice-white);
}

.footer-brand p {
  color: var(--color-medium-gray);
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.footer-column h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-rice-white);
}

.footer-column ul {
  display: grid;
  gap: var(--spacing-xs);
}

.footer-column a {
  color: var(--color-medium-gray);
}

.footer-column a:hover {
  color: var(--color-rice-white);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid var(--color-dark-gray);
  padding-top: var(--spacing-md);
  text-align: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.footer-bottom p {
  color: var(--color-medium-gray);
  margin: 0;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.close-modal {
  position: absolute;
  right: var(--spacing-md);
  top: var(--spacing-md);
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-medium-gray);
}

.close-modal:hover {
  color: var(--color-ink-black);
}

.modal-content h2 {
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

/* Form Styles */
.order-form {
  display: grid;
  gap: var(--spacing-md);
}

.form-group {
  display: grid;
  gap: var(--spacing-xs);
}

.form-group label {
  font-weight: var(--font-weight-medium);
  color: var(--color-ink-black);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-indigo-denim);
  box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.1);
}

.submit-button {
  background: var(--color-indigo-denim);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all 0.2s ease;
}

.submit-button:hover {
  background: var(--color-ink-black);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .hero-content,
  .curation-content,
  .delivery-content,
  .stylist-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .hero-text,
  .curation-text,
  .delivery-text,
  .stylist-text {
    text-align: center;
  }
  
  .hero-text h2,
  .curation-text h2,
  .delivery-text h2,
  .stylist-text h2 {
    text-align: center;
  }
  
  .hero-image {
    order: -1;
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  
  .membership-card.featured {
    transform: none;
  }
  
  .collections-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-item {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-xs);
  }
  
  .hero-content {
    gap: var(--spacing-md);
  }
  
  .membership-cards {
    grid-template-columns: 1fr;
  }
}