/* Tailwind CSS Configuration & Custom Variables */
:root {
  --primary-dark: #1243A6;
  --primary: #1D64F2;
  --dark: #011C40;
  --light: #F2EED8;
  --accent: #F24822;
}

/* Custom Tailwind Configuration */
.font-noto {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.bg-light {
  background-color: var(--light);
}

.bg-dark {
  background-color: var(--dark);
}

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

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

.bg-accent {
  background-color: var(--accent);
}

.text-dark {
  color: var(--dark);
}

.text-primary {
  color: var(--primary);
}

.text-primary-dark {
  color: var(--primary-dark);
}

.text-accent {
  color: var(--accent);
}

.border-primary {
  border-color: var(--primary);
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Animation Classes */
.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-fade-in-right {
  animation: fadeInRight 0.8s ease-out forwards;
}

.animate-scale-in {
  animation: scaleIn 0.8s ease-out forwards;
}

/* Initially hidden for animations */
.hidden-initially {
  opacity: 0;
  transform: translateY(30px);
}

/* Hero Section Enhancements */
.hero-title {
  background: linear-gradient(135deg, var(--dark), var(--primary-dark));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  animation: fadeInUp 1s ease-out 0.3s both;
}

/* CTA Button Enhanced */
.cta-button {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent), #e74c3c);
  box-shadow: 0 8px 32px rgba(242, 72, 34, 0.3);
  transition: all 0.3s ease;
}

.cta-button:hover {
  box-shadow: 0 12px 48px rgba(242, 72, 34, 0.5);
  transform: translateY(-2px) scale(1.02);
}

.cta-button:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.cta-button:hover:before {
  left: 100%;
}

/* Service Cards */
.service-card {
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* Feature Cards */
.feature-card {
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Pricing Cards */
.pricing-card {
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
}

/* Process Steps */
.process-step {
  transition: all 0.3s ease;
}

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

.process-step .w-16 {
  box-shadow: 0 8px 24px rgba(29, 100, 242, 0.3);
  transition: all 0.3s ease;
}

.process-step:hover .w-16 {
  box-shadow: 0 12px 32px rgba(29, 100, 242, 0.5);
  transform: scale(1.1);
}

/* Testimonial Cards */
.testimonial-card {
  transition: all 0.3s ease;
  border-left: 4px solid var(--primary);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-left-color: var(--accent);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
}

/* Section Titles */
.section-title {
  background: linear-gradient(135deg, var(--dark), var(--primary-dark));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Responsive Mobile Utilities */
@media (max-width: 768px) {
  .mobile-only {
    display: block !important;
  }
  
  .mobile-hidden {
    display: none !important;
  }
  
  /* Mobile Typography Adjustments */
  .hero-title {
    font-size: 2.5rem;
    line-height: 1.2;
  }
  
  .section-title {
    font-size: 2rem;
    line-height: 1.3;
  }
  
  /* Mobile Spacing */
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  /* Mobile CTA Button */
  .cta-button {
    width: 100%;
    max-width: 300px;
    padding: 1rem 2rem;
  }
  
  /* Mobile Cards */
  .service-card,
  .feature-card,
  .pricing-card,
  .testimonial-card {
    margin-bottom: 1.5rem;
  }
}

/* Tablet Responsive */
@media (min-width: 769px) and (max-width: 1024px) {
  .hero-title {
    font-size: 4rem;
  }
  
  .section-title {
    font-size: 3rem;
  }
}

/* Desktop Enhancements */
@media (min-width: 1025px) {
  /* Parallax-like effect for hero */
  #hero {
    background-attachment: fixed;
  }
  
  /* Enhanced hover effects for desktop */
  .service-card:hover,
  .feature-card:hover,
  .testimonial-card:hover {
    transform: translateY(-10px) scale(1.02);
  }
}

/* Loading Animation */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Scroll Indicator */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform-origin: left;
  z-index: 1000;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--light);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Focus States for Accessibility */
button:focus,
a:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .cta-button,
  .scroll-indicator {
    display: none;
  }
  
  * {
    color: black !important;
    background: white !important;
  }
}