:root {
  --primary-cyan: #00FFFF;
  --secondary-magenta: #FF00FF;
  --background-dark: #1a1a1a;
  --footer-dark: #0a0a0a;
  --button-lime: #00FF00;
  --section-dark-1: #1a1a1a;
  --section-dark-2: #222222;
  --section-dark-3: #2a2a2a;
  --text-light: #FFFFFF;
  --text-gray: #CCCCCC;
  --border-black: #000000;
  --shadow-offset: 4px;
  --border-thick: 2px;
  --border-radius: 4px;
  --border-radius-sharp: 0;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: var(--background-dark);
  color: var(--text-light);
  font-family: 'Inter', 'Noto Sans Korean', 'Apple SD Gothic Neo', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography with Korean Elements */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text-light);
}

h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  text-transform: uppercase;
  border: var(--border-thick) solid var(--border-black);
  padding: 1.5rem;
  background: linear-gradient(45deg, var(--primary-cyan), var(--secondary-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
}

h2 {
  font-size: 2.5rem;
  line-height: 1.2;
  color: var(--primary-cyan);
  border-bottom: var(--border-thick) solid var(--primary-cyan);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 2rem;
  color: var(--secondary-magenta);
  text-transform: uppercase;
}

p {
  font-size: 1.1rem;
  color: var(--text-gray);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

/* Korean Typography Elements */
.hangul-text {
  font-family: 'Noto Sans Korean', 'Apple SD Gothic Neo', sans-serif;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.korean-title {
  font-size: 1.8rem;
  color: var(--primary-cyan);
  text-align: center;
  margin: 2rem 0;
  border: var(--border-thick) solid var(--border-black);
  padding: 1rem;
  background-color: var(--section-dark-2);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
}

/* Container Overrides for Tailwind */
.container,
.container-fluid {
  max-width: 100% !important;
  width: 100% !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

/* Section Backgrounds */
.section-bg-1 {
  background-color: var(--section-dark-1);
}

.section-bg-2 {
  background-color: var(--section-dark-2);
}

.section-bg-3 {
  background-color: var(--section-dark-3);
}

.section-bg-alternate {
  background: linear-gradient(135deg, var(--section-dark-1) 0%, var(--section-dark-3) 100%);
}

/* Neo-Brutalist Buttons */
.btn-primary {
  background-color: var(--button-lime);
  color: var(--background-dark);
  border: var(--border-thick) solid var(--border-black);
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.1s ease;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
  border-radius: var(--border-radius);
  text-decoration: none;
  display: inline-block;
  margin: 0.5rem;
}

.btn-primary:hover {
  transform: translate(calc(-1 * var(--shadow-offset)), calc(-1 * var(--shadow-offset)));
  box-shadow: calc(var(--shadow-offset) * 2) calc(var(--shadow-offset) * 2) 0 var(--border-black);
  background-color: var(--primary-cyan);
  color: var(--background-dark);
}

.btn-primary:active {
  transform: translate(var(--shadow-offset), var(--shadow-offset));
  box-shadow: none;
}

.btn-secondary {
  background-color: var(--secondary-magenta);
  color: var(--text-light);
  border: var(--border-thick) solid var(--border-black);
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.1s ease;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
  border-radius: var(--border-radius);
  text-decoration: none;
  display: inline-block;
  margin: 0.5rem;
}

.btn-secondary:hover {
  transform: translate(calc(-1 * var(--shadow-offset)), calc(-1 * var(--shadow-offset)));
  box-shadow: calc(var(--shadow-offset) * 2) calc(var(--shadow-offset) * 2) 0 var(--border-black);
  background-color: var(--primary-cyan);
  color: var(--background-dark);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-cyan);
  border: var(--border-thick) solid var(--primary-cyan);
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.1s ease;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
  border-radius: var(--border-radius);
  text-decoration: none;
  display: inline-block;
  margin: 0.5rem;
}

.btn-outline:hover {
  background-color: var(--primary-cyan);
  color: var(--background-dark);
  transform: translate(calc(-1 * var(--shadow-offset)), calc(-1 * var(--shadow-offset)));
  box-shadow: calc(var(--shadow-offset) * 2) calc(var(--shadow-offset) * 2) 0 var(--border-black);
}

/* Neo-Brutalist Cards */
.card {
  background-color: var(--section-dark-2);
  border: var(--border-thick) solid var(--border-black);
  border-radius: var(--border-radius);
  padding: 2rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
  transition: all 0.15s ease;
}

.card:hover {
  transform: translate(calc(-1 * var(--shadow-offset)), calc(-1 * var(--shadow-offset)));
  box-shadow: calc(var(--shadow-offset) * 2) calc(var(--shadow-offset) * 2) 0 var(--border-black);
  border-color: var(--primary-cyan);
}

.card-header {
  background-color: var(--section-dark-3);
  padding: 1rem;
  margin: -2rem -2rem 1.5rem -2rem;
  border-bottom: var(--border-thick) solid var(--border-black);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary-cyan);
}

.card-title {
  font-size: 1.5rem;
  color: var(--text-light);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--text-gray);
  padding-bottom: 0.5rem;
}

/* Forms with Neo-Brutalist Design */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  color: var(--text-light);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  border-left: var(--border-thick) solid var(--primary-cyan);
  padding-left: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 1rem;
  background-color: var(--section-dark-1);
  border: var(--border-thick) solid var(--border-black);
  border-radius: var(--border-radius);
  color: var(--text-light);
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.1s ease;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-cyan);
  transform: translate(calc(-1 * var(--shadow-offset)), calc(-1 * var(--shadow-offset)));
  box-shadow: calc(var(--shadow-offset) * 2) calc(var(--shadow-offset) * 2) 0 var(--border-black);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Headers and Navigation */
.header {
  background-color: var(--section-dark-3);
  border-bottom: var(--border-thick) solid var(--border-black);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-cyan);
  text-transform: uppercase;
  text-decoration: none;
  border: var(--border-thick) solid var(--border-black);
  padding: 0.5rem 1rem;
  background-color: var(--section-dark-1);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2rem;
}

.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border: var(--border-thick) solid transparent;
  transition: all 0.1s ease;
}

.nav-link:hover {
  color: var(--primary-cyan);
  border-color: var(--primary-cyan);
  background-color: var(--section-dark-1);
  transform: translate(calc(-1 * var(--shadow-offset)), calc(-1 * var(--shadow-offset)));
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
}

/* Footer */
.footer {
  background-color: var(--footer-dark);
  border-top: var(--border-thick) solid var(--border-black);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  box-shadow: calc(-1 * var(--shadow-offset)) calc(-1 * var(--shadow-offset)) 0 var(--border-black);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-section h4 {
  color: var(--primary-cyan);
  text-transform: uppercase;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--text-gray);
  padding-bottom: 0.5rem;
}

.footer-section p,
.footer-section a {
  color: var(--text-gray);
  text-decoration: none;
  line-height: 1.6;
}

.footer-section a:hover {
  color: var(--primary-cyan);
  border-bottom: 1px solid var(--primary-cyan);
}

.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--text-gray);
  color: var(--text-gray);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--section-dark-1) 0%, var(--section-dark-3) 50%, var(--section-dark-2) 100%);
  position: relative;
  border-bottom: var(--border-thick) solid var(--border-black);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  padding: 0 2rem;
  z-index: 2;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 2rem;
  background: linear-gradient(45deg, var(--primary-cyan), var(--secondary-magenta), var(--button-lime));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: neon-pulse 2s ease-in-out infinite alternate;
}

@keyframes neon-pulse {
  0% {
    filter: brightness(1);
  }
  100% {
    filter: brightness(1.3);
  }
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--text-gray);
  margin-bottom: 3rem;
  line-height: 1.6;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

/* Korean Decorative Elements */
.korean-divider {
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-cyan), var(--secondary-magenta), var(--button-lime));
  margin: 2rem auto;
  border: 1px solid var(--border-black);
  box-shadow: 2px 2px 0 var(--border-black);
}

.neon-border {
  border: var(--border-thick) solid var(--primary-cyan);
  background-color: rgba(0, 255, 255, 0.05);
  box-shadow: 
    0 0 10px var(--primary-cyan),
    var(--shadow-offset) var(--shadow-offset) 0 var(--border-black);
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .nav-menu {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  .btn-primary,
  .btn-secondary,
  .btn-outline {
    width: 100%;
    text-align: center;
  }
  
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .korean-title {
    font-size: 1.5rem;
  }
  
  .container,
  .container-fluid {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
}

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

/* Focus States */
*:focus {
  outline: 2px solid var(--primary-cyan);
  outline-offset: 2px;
}

button:focus,
.btn-primary:focus,
.btn-secondary:focus,
.btn-outline:focus {
  outline-color: var(--button-lime);
}

/* Selection */
::selection {
  background-color: var(--primary-cyan);
  color: var(--background-dark);
}

::-moz-selection {
  background-color: var(--primary-cyan);
  color: var(--background-dark);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background-color: var(--section-dark-1);
  border: 1px solid var(--border-black);
}

::-webkit-scrollbar-thumb {
  background-color: var(--primary-cyan);
  border: 1px solid var(--border-black);
  box-shadow: 2px 2px 0 var(--border-black);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--button-lime);
}

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
  animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}