/* ========================================
   CSS Variables - Dark Neon Pattaya Theme
   ======================================== */
:root {
  /* Core Color Palette - Pattaya Lights Inspired */
  --primary-color: #00D4FF;
  --secondary-color: #8A2BE2;
  --background-color: #1a1a1a;
  --footer-bg-color: #0a0a0a;
  --button-color: #FF0080;
  
  /* Section Backgrounds */
  --section-bg-1: #1a1a1a;
  --section-bg-2: #2a2a2a;
  --section-bg-3: #1a1a1a;
  
  /* Neon Accents */
  --neon-cyan: #00FFFF;
  --neon-pink: #FF1493;
  --neon-purple: #8A2BE2;
  --neon-orange: #FF4500;
  
  /* Neutral Grays */
  --gray-50: #FAFAFA;
  --gray-100: #F4F4F5;
  --gray-200: #E4E4E7;
  --gray-300: #D4D4D8;
  --gray-400: #A1A1AA;
  --gray-500: #71717A;
  --gray-600: #52525B;
  --gray-700: #3F3F46;
  --gray-800: #27272A;
  --gray-900: #18181B;
  
  /* Typography Scale */
  --font-primary: 'Inter', 'Noto Sans KR', system-ui, -apple-system, sans-serif;
  --font-secondary: 'Orbitron', 'Noto Sans KR', monospace;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius - Sharp Neo-Brutalist */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Shadows - Neo-Brutalist Style */
  --shadow-brutal: 4px 4px 0 #000000;
  --shadow-brutal-lg: 8px 8px 0 #000000;
  --shadow-neon: 0 0 20px rgba(0, 212, 255, 0.3);
  --shadow-neon-pink: 0 0 20px rgba(255, 0, 128, 0.3);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ========================================
   Base Styles - Neo-Brutalist Foundation
   ======================================== */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.5;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--background-color);
  color: var(--gray-50);
  margin: 0;
  padding: 0;
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Global Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin: 0 0 var(--space-md) 0;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-black);
  text-transform: uppercase;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: var(--font-weight-bold);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: var(--font-weight-semibold);
}

p {
  margin: 0 0 var(--space-md) 0;
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--neon-cyan);
}

/* ========================================
   Neo-Brutalist Components
   ======================================== */

/* Cards with Bold Borders */
.card {
  background: var(--section-bg-2);
  border: 2px solid #000000;
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  box-shadow: var(--shadow-brutal);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 #000000;
}

.card:hover::before {
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
}

/* Buttons - Bold & Graphic */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid #000000;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--button-color);
  color: white;
  box-shadow: var(--shadow-brutal);
}

.btn-primary:hover {
  background: var(--neon-pink);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 #000000;
  color: white;
}

.btn-secondary {
  background: var(--primary-color);
  color: var(--background-color);
  box-shadow: var(--shadow-brutal);
}

.btn-secondary:hover {
  background: var(--neon-cyan);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 #000000;
  color: var(--background-color);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--background-color);
  box-shadow: var(--shadow-brutal);
}

/* ========================================
   Layout Sections - High Contrast Design
   ======================================== */

.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section:nth-child(even) {
  background-color: var(--section-bg-2);
}

.section:nth-child(odd) {
  background-color: var(--section-bg-1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Full-width hero section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: linear-gradient(135deg, var(--background-color) 0%, var(--section-bg-2) 100%);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 40%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(255, 0, 128, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

/* ========================================
   Navigation - Sharp & Clean
   ======================================== */

.navbar {
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid #000000;
  padding: var(--space-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-brutal);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-black);
  font-size: 1.5rem;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.navbar-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-xl);
}

.navbar-link {
  color: var(--gray-50);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
  position: relative;
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-normal);
}

.navbar-link:hover {
  color: var(--primary-color);
}

.navbar-link:hover::after {
  width: 100%;
}

/* ========================================
   Forms - Neo-Brutalist Input Design
   ======================================== */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--gray-50);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-md);
  background: var(--section-bg-2);
  border: 2px solid #000000;
  border-radius: var(--radius-sm);
  color: var(--gray-50);
  font-family: var(--font-primary);
  font-size: 1rem;
  box-shadow: var(--shadow-brutal);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: var(--shadow-neon);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-500);
}

/* ========================================
   Utility Classes - Pattaya Inspired
   ======================================== */

.text-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--neon-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.text-neon {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px currentColor;
}

.glow-effect {
  box-shadow: var(--shadow-neon);
}

.section-divider {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-color), var(--neon-pink), transparent);
  margin: var(--space-4xl) 0;
  border: none;
}

/* ========================================
   Footer - Dark & Bold
   ======================================== */

.footer {
  background: var(--footer-bg-color);
  border-top: 2px solid #000000;
  padding: var(--space-3xl) 0 var(--space-lg) 0;
  margin-top: var(--space-4xl);
}

.footer-content {
  text-align: center;
}

.footer-text {
  color: var(--gray-400);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .navbar-menu {
    gap: var(--space-md);
  }
  
  .navbar-link {
    font-size: 0.875rem;
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
  
  .card {
    padding: var(--space-md);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .navbar-menu {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .hero-section {
    padding: var(--space-xl) 0;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
}

/* ========================================
   Korean Typography Support
   ======================================== */

.lang-ko {
  font-family: 'Noto Sans KR', var(--font-primary);
  font-weight: var(--font-weight-normal);
}

.lang-en {
  font-family: 'Inter', var(--font-primary);
  font-weight: var(--font-weight-normal);
}

/* ========================================
   Accessibility & Focus States
   ======================================== */

:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.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;
}

/* ========================================
   Animation Prefers Reduced Motion
   ======================================== */

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


/* 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;
    }
}