/* SwiftWeight - Premium Weight Loss Storefront */
/* Custom Design System - Jade Green & Coral */

:root {
  --primary: #00A86B;
  --primary-dark: #008555;
  --primary-light: #E8F8F2;
  --secondary: #FF6B35;
  --dark: #1A1A2E;
  --gray: #6B7280;
  --light: #F3F4F6;
  --white: #FFFFFF;
  --success: #10B981;
  --warning: #F59E0B;
  --gradient: linear-gradient(135deg, #00A86B 0%, #00C979 100%);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font);
  color: var(--dark);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5em;
  color: var(--dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p { margin-bottom: 1em; }

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  background: var(--white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  background: var(--dark);
  color: var(--white);
  padding: 0.5rem 0;
  font-size: 0.875rem;
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.header-main {
  padding: 1rem 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  text-decoration: none;
}

.nav-menu {
  display: none;
  list-style: none;
  gap: 2rem;
}

.nav-menu.active {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  flex-direction: column;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  gap: 1rem;
}

.nav-menu a {
  font-weight: 500;
  color: var(--dark);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.search-toggle,
.cart-toggle,
.menu-toggle {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark);
  transition: var(--transition);
  padding: 0.5rem;
}

.search-toggle:hover,
.cart-toggle:hover,
.menu-toggle:hover {
  color: var(--primary);
  transform: scale(1.1);
}

.cart-badge {
  position: relative;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--secondary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: none;
  align-items: center;
  justify-content: center;
  animation: bounce 0.3s ease;
}

@keyframes bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

/* Search Bar */
.search-bar {
  display: none;
  background: var(--light);
  padding: 1rem 0;
}

.search-bar.active {
  display: block;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.search-form {
  display: flex;
  gap: 0.5rem;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid transparent;
  background: var(--white);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.search-submit {
  padding: 0.75rem 2rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.search-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.search-results {
  margin-top: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  text-decoration: none;
}

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

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

.btn-secondary {
  background: var(--secondary);
  color: white;
}

.btn-secondary:hover {
  background: #E55A28;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-dark {
  background: var(--dark);
  color: white;
}

.btn-dark:hover {
  background: #2A2A3E;
}

.btn-block {
  width: 100%;
}

/* Hero Section */
.hero {
  background: var(--gradient);
  color: white;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background-image: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  animation: float 20s linear infinite;
}

@keyframes float {
  from { transform: translateY(0); }
  to { transform: translateY(-30px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.hero h1 {
  color: white;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Features Section */
.features {
  padding: 4rem 0;
  background: var(--light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

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

/* Product Section */
.product-section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--gray);
  font-size: 1.125rem;
  margin: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.product-card {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--secondary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 10;
}

.product-image {
  position: relative;
  padding-top: 100%;
  overflow: hidden;
  background: var(--light);
}

.product-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.product-info {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.product-description {
  font-size: 0.875rem;
  color: var(--gray);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.stars {
  color: #FFC107;
  font-size: 0.875rem;
}

.review-count {
  font-size: 0.875rem;
  color: var(--gray);
}

.product-price {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.compare-price {
  font-size: 1.125rem;
  color: var(--gray);
  text-decoration: line-through;
}

/* Collection Banner */
.collection-banner {
  background: var(--gradient);
  color: white;
  padding: 3rem 0;
  text-align: center;
}

.collection-banner h1 {
  color: white;
  margin-bottom: 0.5rem;
}

.collection-banner p {
  font-size: 1.125rem;
  opacity: 0.95;
  max-width: 600px;
  margin: 0 auto;
}

/* Footer */
.footer {
  background: var(--dark);
  color: white;
  padding: 3rem 0 1rem;
}

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

.footer-section h4 {
  color: white;
  margin-bottom: 1rem;
}

.footer-section p {
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255,255,255,0.8);
  transition: var(--transition);
  display: inline-block;
}

.footer-links a:hover {
  color: white;
  padding-left: 5px;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  text-decoration: none;
  font-size: 1.25rem;
}

.social-link:hover {
  background: var(--primary);
  transform: translateY(-4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
}

/* Page Content */
.page-content {
  padding: 3rem 0;
  max-width: 800px;
  margin: 0 auto;
}

.page-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.page-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.page-content ul,
.page-content ol {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

.page-content li {
  margin-bottom: 0.5rem;
  color: var(--gray);
}

/* Responsive */
@media (min-width: 768px) {
  .nav-menu {
    display: flex;
    position: static;
    flex-direction: row;
    padding: 0;
    box-shadow: none;
    background: transparent;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .menu-toggle {
    display: none;
  }
  
  .hero {
    padding: 6rem 0;
  }
  
  .product-section {
    padding: 5rem 0;
  }
  
  .features {
    padding: 5rem 0;
  }
}

@media (max-width: 767px) {
  .header-top .container {
    justify-content: center;
    text-align: center;
  }
  
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}