/* ============================================
   DESIGN SYSTEM: ODOT Localhost
   Dark Modern Palette
   ============================================ */

:root {
  /* BRAND PALETTE (Vemei) */
  --color-primary: #ED1C24;        /* Primary Red */
  --color-secondary: #1F2E8C;      /* Primary Blue */
  --color-accent: #1FA852;         /* Accent Green */
  --color-accent-light: #0E7A3A;   /* Darker Green */
  
  /* BACKGROUND & TEXT */
  --color-bg-dark: #FFFFFF;        /* Light background as default */
  --color-bg-light: #F7F8FA;       /* Light gray sections */
  --color-bg-card: #FFFFFF;        /* Card Background (white) */
  --color-text-primary: #0A0A0A;   /* Dark text */
  --color-text-secondary: #3A3A3A; /* Medium dark text */
  --color-text-dark: #0A0A0A;      /* Dark text for light backgrounds */
  
  /* STATUS COLORS */
  --color-success: #1FA852;        /* Brand Green */
  --color-warning: #F39C12;        /* Amber */
  --color-error: #ED1C24;          /* Brand Red */
  --color-info: #1F2E8C;           /* Brand Blue */
  
  /* BORDER & DIVIDERS */
  --color-border: #E3E6EB;         /* Light border */
  --color-border-light: #F0F2F5;   /* Lighter border */
  
  /* TYPOGRAPHY */
  --font-primary: 'Rajdhani', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.5rem;     /* 24px */
  --font-size-2xl: 2rem;      /* 32px */
  --font-size-3xl: 2.5rem;    /* 40px */
  --font-size-4xl: 3.5rem;    /* 56px */
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* LINE HEIGHT */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* SPACING */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */
  
  /* BORDER RADIUS */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* SHADOWS */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
  --shadow-glow-orange: 0 0 20px rgba(255, 140, 66, 0.3);
  
  /* TRANSITIONS */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-secondary);
  background-color: var(--color-bg-dark);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
  font-size: var(--font-size-base);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-secondary);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 20px rgba(237, 28, 36, 0.2);
}

.btn-primary:hover {
  background-color: #c9161d; /* darker red */
  box-shadow: 0 0 24px rgba(237, 28, 36, 0.35);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: #18246f; /* darker blue */
  color: #fff;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn-outline:hover {
  background-color: var(--color-secondary);
  color: #fff;
}

.btn-sm {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--font-size-lg);
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

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

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

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 140, 66, 0.7);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(255, 140, 66, 0);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: var(--shadow-glow);
  }
  50% {
    box-shadow: var(--shadow-glow), 0 0 30px rgba(0, 212, 255, 0.5);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Animation Utility Classes */

.animate-fade-in {
  animation: fadeIn 0.6s ease-in-out forwards;
}

.animate-slide-up {
  animation: slideInUp 0.6s ease-in-out forwards;
}

.animate-slide-left {
  animation: slideInLeft 0.6s ease-in-out forwards;
}

.animate-slide-right {
  animation: slideInRight 0.6s ease-in-out forwards;
}

.animate-zoom-in {
  animation: zoomIn 0.6s ease-in-out forwards;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-glow {
  animation: glow 2s infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* Stagger animation delays */
.animate-delay-1 {
  animation-delay: 100ms;
}

.animate-delay-2 {
  animation-delay: 200ms;
}

.animate-delay-3 {
  animation-delay: 300ms;
}

.animate-delay-4 {
  animation-delay: 400ms;
}

.animate-delay-5 {
  animation-delay: 500ms;
}

/* ============================================
   CARDS & CONTAINERS
   ============================================ */

.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

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

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

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

.section-light {
  background-color: #FFFFFF;
}

/* ============================================
   GRID & FLEXBOX
   ============================================ */

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
  gap: var(--space-md);
}

.flex-col {
  flex-direction: column;
}

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

.flex-center {
  justify-content: center;
  align-items: center;
}

/* ============================================
   UTILITIES
   ============================================ */

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

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

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

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

.text-orange {
  color: var(--color-secondary);
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

.cursor-pointer { cursor: pointer; }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  :root {
    --font-size-3xl: 2rem;      /* 32px */
    --font-size-4xl: 2.5rem;    /* 40px */
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.5rem;    /* 24px */
    --space-3xl: 2.5rem;        /* 40px (reduced from 64px) */
    --space-2xl: 2rem;          /* 32px (reduced from 48px) */
  }

  html {
    font-size: 14px;
  }

  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }
  h3 { font-size: var(--font-size-lg); }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  /* Padding/margin reduction for mobile */
  body {
    padding: 0;
  }

  section {
    padding: var(--space-2xl) var(--space-md);
  }

  .container {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-xl: 1rem;       /* 16px */
    --font-size-2xl: 1.25rem;   /* 20px */
    --space-2xl: 1.5rem;        /* 24px */
    --space-3xl: 2rem;          /* 32px */
  }

  html {
    font-size: 13px;
  }

  h1 { font-size: var(--font-size-xl); }
  h2 { font-size: var(--font-size-lg); }
  h3 { font-size: var(--font-size-base); }
  
  section {
    padding: var(--space-xl) var(--space-md);
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}