/* Modern Executive Digital Business Card - Design System */

:root {
  /* Professional Color Palette */
  --primary-navy: #1B2B47;
  --accent-blue: #3B82F6;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --background: #FFFFFF;
  --surface: #F9FAFB;
  --border-light: #E5E7EB;
  --success: #10B981;
  --hover-bg: #F3F4F6;
  
  /* Typography Scale */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  
  /* Spacing System */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Animations */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: linear-gradient(180deg, #F9FAFB 0%, #F3F4F6 100%);
  line-height: 1.6;
  min-height: 100vh;
}

/* Keyframe Animations */
@keyframes subtle-pulse {
  0% {
    box-shadow: 0 4px 12px rgba(27, 43, 71, 0.15);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    transform: scale(1.02);
  }
  100% {
    box-shadow: 0 4px 12px rgba(27, 43, 71, 0.15);
    transform: scale(1);
  }
}

/* Main Container */
.profile-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.profile-card {
  max-width: 440px;
  width: 100%;
  background: var(--background);
  border-radius: 24px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  padding: var(--space-10) var(--space-8);
  position: relative;
  overflow: hidden;
}

/* Profile Header */
.profile-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.profile-pic {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-5);
  display: block;
  border: 5px solid var(--background);
  box-shadow: 0 0 0 1px var(--border-light), var(--shadow-lg);
}

.profile-name {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: var(--space-3);
  letter-spacing: -0.025em;
}

.profile-headline {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 85%;
  margin: 0 auto;
  line-height: 1.5;
}

/* Contact Section */
.contact-section {
  margin-bottom: var(--space-8);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.contact-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
}

.contact-button:hover {
  border-color: var(--accent-blue);
  background: var(--accent-blue);
  color: var(--background);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.25);
}

.contact-button:focus {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}

.contact-button i {
  font-size: 28px;
}

.contact-label {
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

/* vCard Section */
.vcard-section {
  text-align: center;
  margin-top: var(--space-6);
}

.vcard-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--primary-navy);
  color: var(--background);
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: var(--text-base);
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(27, 43, 71, 0.15);
  animation: subtle-pulse 3s ease-in-out infinite;
}

.vcard-button:hover {
  background: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
  animation: none;
}

.vcard-button:focus {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
  animation: none;
}

.vcard-button i {
  font-size: 20px;
}

/* Business Section */
.business-section {
  margin-top: var(--space-10);
}

.section-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--primary-navy);
  margin-bottom: var(--space-5);
  text-align: center;
  letter-spacing: -0.02em;
}

.business-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.business-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.business-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--primary-navy));
  transform: translateX(-100%);
  transition: transform var(--transition-base);
}

.business-card:hover::before {
  transform: translateX(0);
}

.business-card:hover {
  background: var(--background);
  border-color: var(--border-light);
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.business-card:focus {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}

.business-logo {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--background);
  border-radius: 12px;
  padding: var(--space-3);
  border: 1px solid var(--border-light);
}

.business-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.business-info {
  flex: 1;
  min-width: 0;
}

.business-name {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--primary-navy);
  margin-bottom: var(--space-1);
  letter-spacing: -0.01em;
}

.business-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}

.business-role {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--accent-blue);
  font-weight: 500;
}

.business-role i {
  font-size: var(--text-xs);
}

/* Responsive Design */
@media (min-width: 480px) {
  .contact-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
  }
  
  .contact-button {
    padding: var(--space-3);
  }
  
  .contact-button i {
    font-size: 24px;
  }
  
  .contact-label {
    font-size: var(--text-xs);
  }
}

@media (max-width: 479px) {
  .profile-container {
    padding: var(--space-3);
  }
  
  .profile-card {
    padding: var(--space-8) var(--space-6);
    border-radius: 20px;
  }
  
  .profile-pic {
    width: 120px;
    height: 120px;
  }
  
  .profile-name {
    font-size: var(--text-2xl);
  }
  
  .profile-headline {
    font-size: var(--text-base);
  }
  
  .business-card {
    padding: var(--space-4);
  }
  
  .business-logo {
    width: 60px;
    height: 60px;
  }
  
  .business-name {
    font-size: var(--text-base);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Visible */
:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .profile-container {
    padding: 0;
  }
  
  .profile-card {
    box-shadow: none;
    max-width: 100%;
  }
  
  .contact-button,
  .vcard-button {
    break-inside: avoid;
  }
}