/* Responsive Design System */

/* Breakpoints */
:root {
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* Mobile First Responsive Grid */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Flexible Container System */
.flex {
  display: flex;
}

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

.flex-wrap {
  flex-wrap: wrap;
}

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

/* Responsive Spacing */
.p-responsive {
  padding: var(--spacing-lg);
}

.m-responsive {
  margin: var(--spacing-lg);
}

/* Small devices (landscape phones, 640px and up) */
@media (max-width: 639px) {
  :root {
    --font-size-5xl: 2.25rem; /* Reduce hero text on mobile */
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
  }

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

  /* Navigation Mobile */
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--background-color);
    flex-direction: column;
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  /* Hero Mobile */
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-2xl);
    min-height: 60vh;
  }

  .hero-visual {
    order: -1;
  }

  .hero-mascot {
    font-size: 8rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  /* About Grid Mobile */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  /* Tokenomics Mobile */
  .tokenomics-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  /* Social Links Mobile */
  .social-links {
    gap: var(--spacing-lg);
  }

  .social-link {
    min-width: 100px;
    padding: var(--spacing-lg);
  }

  /* Community Stats Mobile */
  .community-stats {
    gap: var(--spacing-2xl);
  }

  /* Footer Mobile */
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-lg);
  }

  .footer-links {
    justify-content: center;
    gap: var(--spacing-lg);
  }

  /* Button Mobile */
  .btn {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-sm);
  }

  /* Section Padding Mobile */
  .section,
  .hero,
  .about,
  .tokenomics,
  .community {
    padding: var(--spacing-4xl) 0;
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 640px) and (max-width: 767px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

  .social-links {
    gap: var(--spacing-xl);
  }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .hero-container {
    grid-template-columns: 1fr 1fr;
  }

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

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

/* Extra large devices (large desktops, 1280px and up) */
@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }

  .hero-container {
    max-width: 1280px;
  }
}

/* Ultra wide devices (1536px and up) */
@media (min-width: 1536px) {
  .container {
    max-width: 1400px;
  }

  .hero-container {
    max-width: 1400px;
  }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
  .btn:hover {
    transform: none;
  }

  .about-card:hover {
    transform: none;
  }

  .social-link:hover {
    transform: none;
  }

  .tokenomics-card:hover {
    transform: none;
  }

  /* Increase touch targets */
  .nav-link {
    padding: var(--spacing-lg);
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .social-link {
    min-height: 60px;
    min-width: 120px;
  }
}

/* High DPI Display Optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero-title,
  .logo-text {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

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

  .hero-mascot {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Dark Mode Support (if user prefers) */
@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --light-gray: #2d2d2d;
    --medium-gray: #404040;
    --white: #1a1a1a;
  }

  .header {
    background: rgba(26, 26, 26, 0.95);
    border-bottom-color: var(--medium-gray);
  }

  .about {
    background: #fff4d5;
  }

  .community {
    background: #fff4d5;
  }

  .about-card,
  .social-link {
    background: var(--light-gray);
    color: var(--text-primary);
  }
}

/* Print Styles */
@media print {
  .header,
  .nav-toggle,
  .hero-buttons,
  .social-links,
  .footer {
    display: none;
  }

  .main {
    margin-top: 0;
  }

  .hero,
  .about,
  .tokenomics,
  .community {
    padding: var(--spacing-lg) 0;
    break-inside: avoid;
  }

  .hero-container {
    grid-template-columns: 1fr;
  }

  .about-grid,
  .tokenomics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}