/* SinAI Inc Master Unified Theme CSS */
/* This file serves as the main stylesheet for the SinAI Inc corporate website */

/* Import Bootstrap and other CSS assets */
@import url('./bootstrap.css');
@import url('./common.css');
@import url('./vendors.css');

/* SinAI Inc Brand Variables */
:root {
  --sinai-primary: #3949ab;
  --sinai-secondary: #5c6bc0;
  --sinai-accent: #7986cb;
  --sinai-dark: #1a237e;
  --sinai-light: #e8eaf6;
  --sinai-gradient: linear-gradient(135deg, var(--sinai-primary), var(--sinai-secondary));
}

/* Base Styles */
body {
  font-family: 'Arial', 'Helvetica', sans-serif;
  line-height: 1.6;
  color: #333;
}

/* SinAI Branding */
.sinai-brand {
  color: var(--sinai-primary);
}

.sinai-bg {
  background: var(--sinai-gradient);
}

/* Navigation */
.navbar-brand {
  font-weight: bold;
  color: var(--sinai-primary) !important;
}

/* Theme Toggle Slot */
.theme-toggle-slot {
  display: inline-block;
  width: 44px;
  height: 36px;
  margin-left: 0.25rem;
}

/* Logo Styling */
.navbar-brand img {
  max-height: 40px;
  width: auto;
  object-fit: contain;
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .navbar-brand img {
    max-height: 32px;
  }
}

@media (max-width: 576px) {
  .navbar-brand img {
    max-height: 28px;
  }
}

/* Buttons */
.btn-sinai {
  background: var(--sinai-gradient);
  border: none;
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0.375rem;
  transition: all 0.3s ease;
}

.btn-sinai:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(57, 73, 171, 0.3);
}

/* Cards */
.card {
  border: none;
  border-radius: 0.75rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

/* Product Cards */
.product-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.15) !important;
}

/* Icon Sizing Classes */
.product-icon,
.product-icon-sm,
.team-avatar,
.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.product-icon {
  width: 60px;
  height: 60px;
}

.product-icon-sm {
  width: 40px;
  height: 40px;
}

.team-avatar,
.feature-icon {
  width: 80px;
  height: 80px;
}

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

/* Footer */
.footer {
  background-color: var(--sinai-dark);
  color: white;
  padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    padding: 2rem 0;
  }
  
  .card {
    margin-bottom: 1rem;
  }
}

/* Loading States */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

/* Accessibility Improvements */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Performance Optimizations */
.will-change-transform {
  will-change: transform;
}

.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}