/* =============================================
   style.css — Global Design System
   Mini Games Hub — Premium Gaming UI
   ============================================= */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

/* =============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================= */
:root {
  /* Core Palette */
  --clr-bg-primary:    #0d0d1a;
  --clr-bg-secondary:  #111128;
  --clr-bg-card:       #13132a;
  --clr-bg-card-hover: #191932;
  --clr-surface:       #1a1a38;

  /* Neon Accents */
  --clr-neon-blue:     #00d4ff;
  --clr-neon-purple:   #9b5de5;
  --clr-neon-pink:     #f72585;
  --clr-neon-green:    #00f5a0;
  --clr-neon-orange:   #ff9500;
  --clr-neon-yellow:   #f7c948;
  --clr-neon-teal:     #00cfc8;
  --clr-neon-red:      #ff4757;
  --clr-neon-lime:     #a8ff3e;

  /* Semantic aliases */
  --clr-accent-primary: var(--clr-neon-blue);
  --clr-accent-alt:     var(--clr-neon-purple);
  --clr-accent-purple:  var(--clr-neon-purple);
  --clr-accent-pink:    var(--clr-neon-pink);
  --clr-accent-cyan:    var(--clr-neon-blue);
  --clr-accent-green:   var(--clr-neon-green);
  --clr-accent-orange:  var(--clr-neon-orange);

  /* Text */
  --clr-text-primary:  #f0f0ff;
  --clr-text-secondary:#9090b0;
  --clr-text-muted:    #5a5a7a;

  /* Borders */
  --clr-border:        rgba(0, 212, 255, 0.12);
  --clr-border-hover:  rgba(0, 212, 255, 0.4);
  --clr-border-purple: rgba(155, 93, 229, 0.3);

  /* Gradients */
  --grad-primary:      linear-gradient(135deg, #00d4ff 0%, #9b5de5 100%);
  --grad-primary-rev:  linear-gradient(135deg, #9b5de5 0%, #00d4ff 100%);
  --grad-hero:         linear-gradient(135deg, #0d0d1a 0%, #0f0f24 50%, #13082a 100%);
  --grad-card:         linear-gradient(145deg, rgba(19,19,42,0.95) 0%, rgba(13,13,26,0.9) 100%);
  --grad-text:         linear-gradient(135deg, #00d4ff, #9b5de5, #f72585);
  --grad-glow-blue:    radial-gradient(circle, rgba(0,212,255,0.25) 0%, transparent 70%);
  --grad-glow-purple:  radial-gradient(circle, rgba(155,93,229,0.2) 0%, transparent 70%);

  /* Typography */
  --font-primary: 'Poppins', system-ui, -apple-system, sans-serif;
  --font-display: 'Orbitron', 'Poppins', sans-serif;

  /* Type Scale */
  --text-xs:   0.72rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-xl:   18px;
  --radius-2xl:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:           0 1px 4px rgba(0,0,0,0.5);
  --shadow-md:           0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg:           0 8px 48px rgba(0,0,0,0.65);
  --shadow-xl:           0 20px 70px rgba(0,0,0,0.75);
  --shadow-glow-blue:    0 0 28px rgba(0,212,255,0.4), 0 0 6px rgba(0,212,255,0.2);
  --shadow-glow-purple:  0 0 28px rgba(155,93,229,0.4), 0 0 6px rgba(155,93,229,0.2);
  --shadow-glow-card:    0 8px 40px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,212,255,0.08);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   280ms ease;
  --transition-slow:   500ms ease;
  --transition-bounce: 380ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-width:  1300px;
  --nav-height: 70px;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  background-color: var(--clr-bg-primary);
  color: var(--clr-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom scrollbar */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--clr-neon-purple); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--clr-neon-blue); }

a               { color: inherit; text-decoration: none; }
img, video, svg { display: block; max-width: 100%; }
button          { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select   { font-family: inherit; }
ul, ol          { list-style: none; }

/* =============================================
   UTILITIES
   ============================================= */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  font-weight: 700;
  font-family: var(--font-primary);
  cursor: pointer;
  transition: all var(--transition-bounce);
  border: none;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.3px;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: opacity var(--transition-fast);
  border-radius: inherit;
}
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(0.96) !important; }

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: var(--shadow-glow-blue);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(0,212,255,0.6), 0 0 12px rgba(0,212,255,0.3);
}
.btn-primary svg { width: 20px; height: 20px; }

.btn-secondary {
  background: rgba(255,255,255,0.04);
  color: var(--clr-text-primary);
  border: 1.5px solid var(--clr-border-hover);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  border-color: var(--clr-neon-blue);
  background: rgba(0,212,255,0.08);
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-3px);
}

/* Play button — game cards */
.btn-play {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 11px 18px;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #fff;
  background: var(--grad-primary);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-bounce);
  box-shadow: 0 4px 20px rgba(0,212,255,0.25);
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}
.btn-play::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn-play:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,212,255,0.45); }
.btn-play:hover::before { opacity: 1; }
.btn-play:hover .btn-arrow { transform: translateX(5px); }
.btn-arrow { transition: transform var(--transition-base); font-size: 1rem; }

/* Icon button (nav) */
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-primary);
  font-size: var(--text-base);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  flex-shrink: 0;
}
.icon-btn:hover {
  background: rgba(0,212,255,0.12);
  border-color: var(--clr-neon-blue);
  box-shadow: var(--shadow-glow-blue);
  transform: scale(1.08);
  color: var(--clr-neon-blue);
}
.icon-btn.sound-off { color: var(--clr-text-muted); }
.icon-btn.sound-off:hover { color: var(--clr-neon-blue); }

/* =============================================
   BADGES
   ============================================= */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-offline  { background:rgba(0,212,255,0.12);   color:#00d4ff;  border:1px solid rgba(0,212,255,0.3);   }
.badge-classic  { background:rgba(0,245,160,0.12);   color:#00f5a0;  border:1px solid rgba(0,245,160,0.3);   }
.badge-brain    { background:rgba(155,93,229,0.15);  color:#c084fc;  border:1px solid rgba(155,93,229,0.3);  }
.badge-strategy { background:rgba(255,149,0,0.12);   color:#ff9500;  border:1px solid rgba(255,149,0,0.3);   }
.badge-arcade   { background:rgba(0,212,255,0.12);   color:#00d4ff;  border:1px solid rgba(0,212,255,0.3);   }
.badge-puzzle   { background:rgba(247,201,72,0.12);  color:#f7c948;  border:1px solid rgba(247,201,72,0.3);  }
.badge-action   { background:rgba(247,37,133,0.12);  color:#f72585;  border:1px solid rgba(247,37,133,0.3);  }

/* =============================================
   SPLASH SCREEN
   ============================================= */
.splash-screen {
  position: fixed;
  inset: 0;
  background: var(--clr-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.splash-screen.fade-out { opacity: 0; visibility: hidden; }

.splash-content {
  text-align: center;
  animation: splashEntry 0.6s ease;
}

.splash-logo-wrap {
  position: relative;
  width: 90px;
  height: 90px;
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.splash-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: var(--clr-neon-blue);
  border-right-color: var(--clr-neon-purple);
  animation: spinRing 1.2s linear infinite;
}

.splash-ring-2 {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-bottom-color: var(--clr-neon-pink);
  animation: spinRing 0.8s linear infinite reverse;
}

.splash-icon {
  font-size: 2.2rem;
  color: var(--clr-neon-blue);
  filter: drop-shadow(0 0 10px var(--clr-neon-blue));
}

.splash-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 5vw, 2rem);
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-6);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.splash-loader {
  width: 220px;
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto;
}

.loader-bar {
  height: 100%;
  width: 0%;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
  animation: loadProgress 1.6s ease forwards;
  box-shadow: 0 0 10px var(--clr-neon-blue);
}

@keyframes spinRing  { to { transform: rotate(360deg); } }
@keyframes splashEntry {
  from { opacity: 0; transform: scale(0.85) translateY(24px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes loadProgress {
  0%   { width: 0%; }
  60%  { width: 75%; }
  100% { width: 100%; }
}

/* =============================================
   HEADER & NAV
   ============================================= */
.main-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13,13,26,0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--clr-border);
  transition: all var(--transition-base);
}

.main-header.scrolled {
  background: rgba(13,13,26,0.97);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5), 0 1px 0 rgba(0,212,255,0.1);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  gap: var(--space-4);
}

/* Logo */
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-blue);
  flex-shrink: 0;
}

.brand-icon-wrap i {
  color: #fff;
  font-size: 1rem;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  transition: filter var(--transition-base);
  line-height: 1;
}

.nav-brand:hover .brand-name {
  filter: brightness(1.3) drop-shadow(0 0 8px var(--clr-neon-blue));
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--clr-text-secondary);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--clr-text-primary);
  background: rgba(0,212,255,0.08);
}

.nav-link:hover::after,
.nav-link.active::after { width: 55%; }

/* Nav controls */
.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Sound toggle tooltip */
.sound-btn-wrap {
  position: relative;
}
.sound-btn-wrap::after {
  content: attr(data-tip);
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.85);
  color: #fff;
  font-size: 0.65rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
.sound-btn-wrap:hover::after { opacity: 1; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav */
.mobile-nav {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
  background: rgba(11,11,24,0.98);
  border-top: 1px solid var(--clr-border);
}

.mobile-nav.open { max-height: 320px; }

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  color: var(--clr-text-secondary);
  font-weight: 500;
  border-bottom: 1px solid var(--clr-border);
  transition: all var(--transition-fast);
}

.mobile-nav-link i {
  width: 18px;
  text-align: center;
  color: var(--clr-neon-blue);
}

.mobile-nav-link:hover {
  color: var(--clr-text-primary);
  background: rgba(0,212,255,0.06);
  padding-left: var(--space-8);
}

/* =============================================
   MAIN CONTENT
   ============================================= */
.app-wrapper { min-height: 100vh; }
.main-content { padding-top: var(--nav-height); }

/* Section header */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  margin-bottom: var(--space-3);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.section-subtitle {
  color: var(--clr-text-secondary);
  font-size: var(--text-base);
}

/* =============================================
   OFFLINE INDICATOR
   ============================================= */
.offline-indicator {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(0,245,160,0.12);
  border: 1px solid rgba(0,245,160,0.35);
  color: var(--clr-neon-green);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  z-index: 1000;
  transition: transform var(--transition-bounce);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.offline-indicator i { font-size: 0.85rem; }
.offline-indicator.show { transform: translateX(-50%) translateY(0); }

/* =============================================
   INSTALL BANNER
   ============================================= */
.install-banner {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border-hover);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
  z-index: 500;
  max-width: 380px;
  animation: slideUp 0.5s var(--transition-bounce);
  backdrop-filter: blur(16px);
}

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

.install-content   { display: flex; align-items: center; gap: var(--space-3); }
.install-icon      { font-size: 1.6rem; color: var(--clr-neon-blue); }
.install-text      { display: flex; flex-direction: column; gap: 2px; }
.install-text strong { font-size: var(--text-sm); color: var(--clr-text-primary); }
.install-text span   { font-size: var(--text-xs); color: var(--clr-text-secondary); }
.install-actions   { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }

.btn-install {
  background: var(--grad-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  border: none;
  cursor: pointer;
}

.btn-dismiss {
  width: 28px; height: 28px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.05);
  color: var(--clr-text-muted);
  font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  border: none;
}
.btn-dismiss:hover { background: rgba(255,255,255,0.1); color: var(--clr-text-primary); }

/* =============================================
   FOOTER
   ============================================= */
.main-footer {
  background: var(--clr-bg-secondary);
  border-top: 1px solid var(--clr-border);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: var(--space-20);
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-logo-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-glow-blue);
}
.footer-logo-icon i { color: #fff; font-size: 1.1rem; }

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-content  { text-align: center; }
.footer-text     { color: var(--clr-text-secondary); font-size: var(--text-sm); margin-bottom: var(--space-4); }

.footer-links {
  display: flex; align-items: center; justify-content: center;
  gap: var(--space-6); margin-bottom: var(--space-4);
}
.footer-links a { color: var(--clr-text-secondary); font-size: var(--text-sm); transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--clr-neon-blue); }
.footer-copy    { color: var(--clr-text-muted); font-size: var(--text-xs); }

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp  { from { opacity:0; transform:translateY(32px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn    { from { opacity:0; } to { opacity:1; } }
@keyframes float     { 0%,100%{transform:translateY(0) rotate(0deg);} 33%{transform:translateY(-14px) rotate(2deg);} 66%{transform:translateY(-7px) rotate(-1.5deg);} }
@keyframes pulse     { 0%,100%{transform:scale(1);} 50%{transform:scale(1.04);} }
@keyframes pulseGlow { 0%,100%{box-shadow:var(--shadow-glow-blue);} 50%{box-shadow:0 0 50px rgba(0,212,255,0.7), 0 0 15px rgba(0,212,255,0.4);} }
@keyframes shimmer   { 0%{background-position:-200% center;} 100%{background-position:200% center;} }

.animate-fade-up  { animation: fadeInUp 0.6s ease both; }
.animate-fade     { animation: fadeIn 0.4s ease both; }
.animate-float    { animation: float 6s ease-in-out infinite; }
.animate-pulse    { animation: pulse 2s infinite; }

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* =============================================
   RESPONSIVE — GLOBAL
   ============================================= */
@media (max-width: 768px) {
  :root { --nav-height: 62px; }
  .nav-links   { display: none; }
  .hamburger   { display: flex; }
  .container   { padding: 0 var(--space-4); }
  .install-banner { right: var(--space-4); left: var(--space-4); max-width: none; bottom: var(--space-4); }
}

@media (max-width: 480px) {
  :root { --nav-height: 56px; }
  .brand-name  { font-size: 0.9rem; }
}

/* =============================================
   FOCUS & ACCESSIBILITY
   ============================================= */
:focus-visible {
  outline: 2px solid var(--clr-neon-blue);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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