/* CSS Custom Properties */
:root {
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-600: #4b5563;
  --color-gray-900: #111827;
  --color-red-500: #ef4444;
  
  --font-family-inter: 'Inter', sans-serif;
  --font-family-open-sans: 'Open Sans', sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -2px rgb(0 0 0 / 0.05);
  
  --radius: 0.5rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-20: 5rem;
  --spacing-32: 8rem;
}

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

body {
  font-family: var(--font-family-inter);
  line-height: 1.5;
  color: var(--color-black);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Main container styles */
.main-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-6) var(--spacing-4);
  background-color: var(--color-white);
}

.content-wrapper {
  max-width: 80rem;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  align-items: center;
}

/* Content section */
.content-section {
  display: flex;
  flex-direction: column;
}

.logo-container {
  margin-bottom: var(--spacing-6);
}

.logo {
  height: 4rem;
  object-fit: contain;
}

.tagline {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: var(--spacing-8);
  color: rgba(0, 0, 0, 0.9);
  font-family: var(--font-family-inter);
  line-height: 1.6;
}

.cta-container {
  display: flex;
}

.cta-button {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: var(--spacing-4) var(--spacing-8);
  font-size: 1.125rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-family-open-sans);
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  outline: none;
}

.cta-button:hover {
  background-color: #1f1f1f;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.cta-button:focus {
  outline: 2px solid var(--color-black);
  outline-offset: 2px;
}

.cta-button:active {
  transform: translateY(0);
}

/* Preview section */
.preview-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
  max-width: 28rem;
}

.preview-container {
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius);
  overflow: hidden;
}

.preview-image {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* Error page styles */
.error-page {
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gray-50);
}

.error-card {
  width: 100%;
  max-width: 28rem;
  margin: 0 var(--spacing-4);
  background-color: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid #e5e7eb;
}

.error-content {
  padding: var(--spacing-6);
}

.error-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.error-icon {
  color: var(--color-red-500);
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
}

.error-message {
  margin-top: var(--spacing-4);
  font-size: 0.875rem;
  color: var(--color-gray-600);
  line-height: 1.5;
}

.back-home-btn {
  display: inline-block;
  margin-top: var(--spacing-6);
  padding: 0.5rem 1rem;
  background-color: var(--color-black);
  color: var(--color-white);
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease-in-out;
}

.back-home-btn:hover {
  background-color: #1f1f1f;
  transform: translateY(-1px);
}

/* Responsive design */
@media (min-width: 640px) {
  .main-container {
    padding: var(--spacing-12) var(--spacing-8);
  }
  
  .content-wrapper {
    gap: var(--spacing-12);
  }
  
  .logo {
    height: 5rem;
  }
  
  .tagline {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-12);
  }
}

@media (min-width: 1024px) {
  .main-container {
    padding: var(--spacing-6) var(--spacing-32);
  }
  
  .content-wrapper {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-20);
  }
  
  .tagline {
    font-size: 1.5rem;
  }
  
  .preview-section {
    margin-left: auto;
  }
}

@media (max-width: 639px) {
  .tagline {
    font-size: 1rem;
  }
  
  .cta-button {
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
  }
  
  .content-wrapper {
    gap: var(--spacing-6);
  }
}