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

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1e40af;
  --color-secondary: #10b981;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-background: #ffffff;
  --color-background-alt: #f9fafb;
  --color-border: #e5e7eb;
  --max-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
}

.nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--color-text);
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-align: center;
}

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

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

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

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

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
  width: 100%;
}

/* Features Section */
.features {
  padding: var(--spacing-2xl) 0;
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  padding: var(--spacing-lg);
  background-color: var(--color-background-alt);
  border-radius: 8px;
  text-align: center;
}

.feature-icon {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-text-light);
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-primary);
  color: white;
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
}

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

.cta-content .btn-primary:hover {
  background-color: var(--color-background-alt);
}

/* Page Header */
.page-header {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-background-alt);
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  font-size: 1.125rem;
  color: var(--color-text-light);
}

/* Content Section */
.content-section {
  padding: var(--spacing-2xl) 0;
}

.content-narrow {
  max-width: 800px;
  margin: 0 auto;
}

.content-narrow h2 {
  font-size: 2rem;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.content-narrow h3 {
  font-size: 1.5rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.content-narrow p {
  margin-bottom: var(--spacing-md);
}

.content-narrow ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.content-narrow li {
  margin-bottom: var(--spacing-xs);
}

.info-box {
  background-color: var(--color-background-alt);
  padding: var(--spacing-lg);
  border-radius: 8px;
  margin-top: var(--spacing-xl);
}

/* Product Page */
.product-section {
  padding: var(--spacing-2xl) 0;
}

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.product-image img {
  width: 100%;
  border-radius: 8px;
}

.product-details h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-note {
  color: var(--color-text-light);
}

.product-info {
  margin-bottom: var(--spacing-lg);
}

.delivery-note {
  padding: var(--spacing-md);
  background-color: #ecfdf5;
  border-left: 4px solid var(--color-secondary);
  border-radius: 4px;
}

.product-includes {
  margin-bottom: var(--spacing-xl);
}

.product-includes h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.product-includes ul {
  padding-left: var(--spacing-lg);
}

.product-includes li {
  margin-bottom: var(--spacing-xs);
}

.product-disclaimer {
  margin-top: var(--spacing-lg);
  color: var(--color-text-light);
}

.product-features {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-background-alt);
}

.product-features h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: var(--spacing-xl);
}

/* Contact Page */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.contact-details {
  margin-top: var(--spacing-xl);
}

.contact-details h3 {
  font-size: 1.25rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xs);
}

.contact-details a {
  color: var(--color-primary);
  text-decoration: none;
}

.contact-details a:hover {
  text-decoration: underline;
}

/* Contact Form */
.contact-form {
  background-color: var(--color-background-alt);
  padding: var(--spacing-lg);
  border-radius: 8px;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: 6px;
}

.form-message.success {
  background-color: #ecfdf5;
  color: #065f46;
}

.form-message.error {
  background-color: #fef2f2;
  color: #991b1b;
}

/* Legal Content */
.legal-content h2:first-child {
  margin-top: 0;
}

/* Footer */
.footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

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

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: white;
}

.company-info {
  color: #9ca3af;
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid #374151;
}

.footer-bottom p {
  color: #9ca3af;
  font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    gap: var(--spacing-sm);
  }

  .nav.active {
    display: flex;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .product-layout {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .features h2,
  .page-header h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  .price {
    font-size: 2rem;
  }
}