/* ===================================
   SERENE ADORN LLC - Design System
   Warm Neutral Light Theme
   =================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

/* ===================================
   CSS Custom Properties
   =================================== */
:root {
  /* Color Palette - Warm Neutrals */
  --color-primary: #D4A574;
  --color-primary-light: #E8C9A0;
  --color-primary-dark: #B8895A;
  
  --color-secondary: #A8B5A0;
  --color-secondary-light: #C5D1BE;
  --color-secondary-dark: #8A9882;
  
  --color-accent: #C17B5C;
  --color-accent-light: #D99B82;
  --color-accent-dark: #A15F44;
  
  /* Neutral Colors */
  --color-bg-primary: #FAF8F5;
  --color-bg-secondary: #F5F1EC;
  --color-bg-tertiary: #EDE7DF;
  
  --color-text-primary: #3D3935;
  --color-text-secondary: #6B6560;
  --color-text-light: #9B938C;
  
  --color-white: #FFFFFF;
  --color-black: #1A1816;
  
  /* Gradient Backgrounds */
  --gradient-primary: linear-gradient(135deg, #FAF8F5 0%, #F5F1EC 50%, #EDE7DF 100%);
  --gradient-warm: linear-gradient(135deg, #E8C9A0 0%, #D4A574 100%);
  --gradient-sage: linear-gradient(135deg, #C5D1BE 0%, #A8B5A0 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(250, 248, 245, 0) 0%, rgba(250, 248, 245, 0.95) 100%);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(61, 57, 53, 0.08);
  --shadow-md: 0 4px 16px rgba(61, 57, 53, 0.12);
  --shadow-lg: 0 8px 32px rgba(61, 57, 53, 0.16);
  --shadow-xl: 0 16px 48px rgba(61, 57, 53, 0.2);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 400ms ease-in-out;
  
  /* Layout */
  --container-max: 1280px;
  --container-padding: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--gradient-primary);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

/* ===================================
   Container & Layout
   =================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-4xl) 0;
}

.section-sm {
  padding: var(--spacing-3xl) 0;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.logo {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text-primary);
  position: relative;
  padding: var(--spacing-sm) 0;
  transition: color var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-warm);
  transition: width var(--transition-base);
}

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

.cart-icon {
  position: relative;
  padding: var(--spacing-sm);
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  transition: color var(--transition-base);
}

.cart-icon:hover {
  color: var(--color-primary);
}

.cart-count {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

.mobile-menu-toggle {
  display: none;
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  padding: var(--spacing-sm);
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: 600;
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--gradient-warm);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
  background: var(--gradient-sage);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

/* ===================================
   Cards
   =================================== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.card-body {
  padding: var(--spacing-lg);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.card-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.card-price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary-dark);
  font-family: var(--font-display);
}

/* ===================================
   Product Grid
   =================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

/* ===================================
   Forms
   =================================== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
  font-size: var(--font-size-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  position: relative;
  padding: var(--spacing-4xl) 0;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(212, 165, 116, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--color-text-primary);
  color: var(--color-bg-secondary);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-4xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.footer-section p,
.footer-section a {
  color: var(--color-bg-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

.footer-section a:hover {
  color: var(--color-primary-light);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(245, 241, 236, 0.1);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.social-links a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.flex {
  display: flex;
}

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

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

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }
.gap-4 { gap: var(--spacing-xl); }

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }
  
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --container-padding: 1rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
  }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-in {
  animation: slideIn 0.6s ease-out;
}

/* ===================================
   Loading States
   =================================== */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--color-white);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===================================
   Badge & Tags
   =================================== */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-secondary {
  background: var(--color-secondary-light);
  color: var(--color-secondary-dark);
}

.badge-accent {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
}

/* ===================================
   Rating Stars
   =================================== */
.rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
}

.rating-stars {
  display: flex;
  gap: 2px;
}

.rating-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-left: var(--spacing-sm);
}