/* CSS Custom Properties for theming */
:root {
  /* Dark mode colors - now default */
  --bg-color: linear-gradient(135deg, #0B0F1A 0%, #1E293B 50%, #0F172A 100%);
  --text-color: #E5E7EB;
  --accent-color: #94A3B8;
  
  /* Typography */
  --font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --font-weight: 300;
  --letter-spacing: 0.02em;
  
  /* Spacing */
  --logo-size: clamp(48px, 10vw, 112px);
  --gap-size: clamp(12px, 2.5vh, 24px);
  --container-padding: clamp(24px, 5vw, 48px);
  
  /* Transitions */
  --transition-duration: 160ms;
  --transition-easing: ease;
}

/* Light mode override (if user specifically wants light theme) */
@media (prefers-color-scheme: light) {
  :root {
    --bg-color: linear-gradient(135deg, #0B0F1A 0%, #1E293B 50%, #0F172A 100%);
    --text-color: #E5E7EB;
    --accent-color: #94A3B8;
  }
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  min-height: 100vh;
  font-family: var(--font-family);
  background: var(--bg-color);
  color: var(--text-color);
  transition: 
    color var(--transition-duration) var(--transition-easing),
    background var(--transition-duration) var(--transition-easing);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--container-padding);
  overflow-x: hidden;
}

/* Main container */
.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: 720px;
  width: 100%;
  opacity: 0;
  transform: translateY(8px);
  animation: fadeInUp 400ms ease-out 20ms forwards;
}

/* Logo container */
.logo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap-size);
}

/* Logo styles */
.logo {
  width: var(--logo-size);
  height: var(--logo-size);
  color: var(--text-color);
  transition: 
    transform 150ms ease-in-out,
    color var(--transition-duration) var(--transition-easing);
  cursor: default;
}

.logo:hover {
  transform: scale(1.02);
}

.logo:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Company name */
.company-name {
  font-size: clamp(14px, 2.5vw, 16px);
  font-weight: var(--font-weight);
  letter-spacing: var(--letter-spacing);
  color: var(--text-color);
  transition: color var(--transition-duration) var(--transition-easing);
  line-height: 1.4;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Accessibility enhancements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .logo:hover {
    transform: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --text-color: #FFFFFF;
    --bg-color: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
  }
}

/* Ultra-wide screen optimization */
@media (min-width: 1200px) {
  .container {
    align-items: center;
    text-align: center;
  }
}

/* Mobile optimization */
@media (max-width: 480px) {
  .company-name {
    font-size: clamp(15px, 4vw, 17px);
  }
  
  :root {
    --container-padding: clamp(16px, 4vw, 32px);
  }
}

/* Print styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  .logo {
    color: black;
  }
  
  .company-name {
    color: black;
  }
}