/* ============================================
   GALACTIC MINIMALISM - CUSTOM STYLES
   Site Language: English with Korean elements
   Complementing: Tailwind CSS
============================================ */

/* ============================================
   CSS VARIABLES - GALACTIC COLOR SYSTEM
============================================ */
:root {
  /* Galactic Color Palette */
  --color-primary: #1a1a2e;
  --color-secondary: #16213e;
  --color-background: #0f0f23;
  --color-footer: #0a0a1a;
  --color-button: #00d4ff;
  --color-cosmic-accent: #4a90e2;
  --color-text-light: #e8e8e8;
  --color-text-muted: #b0b0b0;
  --color-text-dark: #1a1a2e;
  
  /* Typography - Elegant Serif + Clean Sans */
  --font-heading: 'Playfair Display', 'Noto Serif KR', serif;
  --font-body: 'Inter', 'Noto Sans KR', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-pill: 9999px;
  
  /* Shadows - Subtle Galactic */
  --shadow-cosmic: 0 4px 20px rgba(26, 26, 46, 0.1);
  --shadow-glow: 0 8px 32px rgba(0, 212, 255, 0.1);
  --shadow-depth: 0 12px 40px rgba(16, 33, 62, 0.15);
}

/* ============================================
   GLOBAL STYLES
============================================ */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-background);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
  padding: 0;
  font-weight: 400;
  overflow-x: hidden;
}

/* Cosmic Background Elements */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(74, 144, 226, 0.02) 0%, transparent 50%),
    linear-gradient(135deg, rgba(26, 26, 46, 0.5) 0%, rgba(15, 15, 35, 0.8) 100%);
  z-index: -1;
  pointer-events: none;
}

/* ============================================
   TYPOGRAPHY - ELEGANT & MINIMAL
============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 var(--space-md) 0;
  color: var(--color-text-light);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: var(--space-sm);
}

p {
  margin: 0 0 var(--space-md) 0;
  color: var(--color-text-muted);
  max-width: 65ch;
}

a {
  color: var(--color-button);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

a:hover {
  color: var(--color-cosmic-accent);
}

a.underlined-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background: var(--color-button);
  transition: width 0.3s ease;
}

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

/* ============================================
   LAYOUT & CONTAINERS - FULL WIDTH APPROACH
============================================ */
.container,
.container-fluid,
.container-sm,
.container-md,
.container-lg,
.container-xl {
  max-width: none !important;
  width: 100% !important;
  padding-left: var(--space-lg) !important;
  padding-right: var(--space-lg) !important;
}

.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-galactic {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) var(--space-sm);
  padding: var(--space-2xl);
  position: relative;
}

.section-cosmic {
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) var(--space-sm);
  padding: var(--space-2xl);
  position: relative;
}

.section-dark {
  background: var(--color-background);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) var(--space-sm);
  padding: var(--space-2xl);
  position: relative;
}

/* ============================================
   HEADER & NAVIGATION
============================================ */
.header {
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
}

.nav-link {
  color: var(--color-text-light);
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-pill);
  transition: all 0.3s ease;
}

.nav-link:hover {
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-button);
  transform: translateY(-1px);
}

/* ============================================
   BUTTONS - PILLS & MINIMAL ELEGANTE
============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-button), var(--color-cosmic-accent));
  color: var(--color-text-dark);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-depth);
  color: var(--color-text-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-light);
  border: 2px solid var(--color-secondary);
}

.btn-secondary:hover {
  background: var(--color-secondary);
  color: var(--color-text-light);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-button);
  backdrop-filter: blur(5px);
}

.btn-ghost:hover {
  background: rgba(0, 212, 255, 0.2);
  transform: translateY(-1px);
}

/* ============================================
   CARDS - MINIMAL GALACTIC DESIGN
============================================ */
.card {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-lg) 0;
  border: 1px solid rgba(0, 212, 255, 0.1);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-button), var(--color-cosmic-accent));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-depth);
  border-color: rgba(0, 212, 255, 0.3);
}

.card:hover::before {
  opacity: 1;
}

.card-secondary {
  background: var(--color-secondary);
  border-color: rgba(74, 144, 226, 0.1);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-light);
}

.card-text {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   FORMS - MINIMAL & ELEGANT
============================================ */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--color-text-light);
}

.form-control {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-background);
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-pill);
  color: var(--color-text-light);
  font-family: var(--font-body);
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-button);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

textarea.form-control {
  border-radius: var(--radius-lg);
  resize: vertical;
  min-height: 120px;
}

/* ============================================
   FOOTER - COSMIC DARK ELEMENT
============================================ */
.footer {
  background: var(--color-footer);
  color: var(--color-text-muted);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-3xl);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-button), transparent);
}

/* ============================================
   UTILITY CLASSES - GALACTIC MINIMALISM
============================================ */
.text-cosmic {
  color: var(--color-button);
}

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

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

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

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

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

.bg-cosmic-accent {
  background: linear-gradient(135deg, var(--color-button), var(--color-cosmic-accent));
}

.rounded-pill {
  border-radius: var(--radius-pill);
}

.rounded-cosmic {
  border-radius: var(--radius-lg);
}

.shadow-cosmic {
  box-shadow: var(--shadow-cosmic);
}

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

/* Korean Elements Styling */
.korean-text {
  font-family: 'Noto Sans KR', 'Noto Serif KR', sans-serif;
  letter-spacing: 0.05em;
}

.korean-heading {
  font-family: 'Noto Serif KR', 'Playfair Display', serif;
  letter-spacing: 0.03em;
}

/* ============================================
   RESPONSIVE DESIGN
============================================ */
@media (max-width: 768px) {
  .container,
  .container-fluid,
  .container-sm,
  .container-md,
  .container-lg,
  .container-xl {
    padding-left: var(--space-md) !important;
    padding-right: var(--media-md) !important;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .section-galactic,
  .section-cosmic,
  .section-dark {
    margin: var(--space-sm) var(--space-xs);
    padding: var(--space-lg);
  }
  
  .card {
    padding: var(--space-lg);
    margin: var(--space-sm) 0;
  }
  
  .btn {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.9rem;
  }
  
  body::before {
    background: 
      radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.02) 0%, transparent 30%),
      radial-gradient(circle at 80% 70%, rgba(74, 144, 226, 0.01) 0%, transparent 30%);
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-xl) 0;
  }
  
  .card {
    padding: var(--space-md);
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
}

/* ============================================
   PRINT STYLES
============================================ */
@media print {
  .btn,
  .nav-link {
    border: 1px solid #333 !important;
    background: transparent !important;
    color: #333 !important;
  }
  
  .card {
    border: 1px solid #ddd !important;
    box-shadow: none !important;
  }
  
  body::before {
    display: none;
  }
}

/* ============================================
   ACCESSIBILITY & FOCUS STATES
============================================ */
:focus-visible {
  outline: 2px solid var(--color-button);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-text-muted: #ffffff;
    --color-background: #000000;
    --color-primary: #1a1a1a;
  }
}


/* 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;
    }
}