/* Twinky Towers – Clean, Modern Pastel Theme matching the game */
@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&family=Luckiest+Guy&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --font-display: 'Luckiest Guy', cursive;
  --font-heading: 'Fredoka', cursive;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Game Pastel Colors */
  --pastel-sky: #87e1f5;
  --pastel-butter: #ffeb82;
  --pastel-lavender: #d7afff;
  --pastel-peach: #ffbe8c;
  --pastel-blue: #a0c8ff;
  --pastel-mint: #9bf0be;
  --pastel-pink: #ffa0b4;

  --bg-sky: #f4f8fd;
  --bg-accent: #ebf2fa;
  --text-dark: #2a364c;
  --text-muted: #8291a8;
  --accent-blue: #5b8dfa;
  --accent-blue-hover: #4578e8;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-sky);
  color: var(--text-dark);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

.font-display {
  font-family: var(--font-display);
  letter-spacing: 0.035em;
}

.font-heading {
  font-family: var(--font-heading);
}

/* ==========================================================================
   Animated Game Sky Background & Drifting Clouds (particles.py inspired)
   ========================================================================== */

.game-sky-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 640px;
  background: linear-gradient(180deg, #dcf0ff 0%, #edf6fd 55%, #f4f8fd 100%);
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

/* Cloud base style */
.drift-cloud {
  position: absolute;
  background: rgba(255, 255, 255, 0.88);
  border-radius: 9999px;
  box-shadow: 0 8px 24px rgba(180, 210, 240, 0.35);
  pointer-events: none;
  filter: blur(0.5px);
}

.drift-cloud::before,
.drift-cloud::after {
  content: '';
  position: absolute;
  background: inherit;
  border-radius: 50%;
}

/* Cloud variation 1 */
.cloud-1 {
  width: 220px;
  height: 64px;
  top: 40px;
  animation: driftRight 45s linear infinite;
}
.cloud-1::before {
  width: 84px;
  height: 84px;
  top: -38px;
  left: 36px;
}
.cloud-1::after {
  width: 64px;
  height: 64px;
  top: -26px;
  left: 110px;
}

/* Cloud variation 2 */
.cloud-2 {
  width: 330px;
  height: 84px;
  top: 130px;
  opacity: 0.75;
  animation: driftRightSlow 70s linear infinite;
  animation-delay: -25s;
}
.cloud-2::before {
  width: 125px;
  height: 125px;
  top: -58px;
  left: 55px;
}
.cloud-2::after {
  width: 95px;
  height: 95px;
  top: -38px;
  left: 170px;
}

/* Cloud variation 3 */
.cloud-3 {
  width: 190px;
  height: 56px;
  top: 250px;
  opacity: 0.6;
  animation: driftRightFast 38s linear infinite;
  animation-delay: -12s;
}
.cloud-3::before {
  width: 72px;
  height: 72px;
  top: -32px;
  left: 32px;
}
.cloud-3::after {
  width: 54px;
  height: 54px;
  top: -20px;
  left: 95px;
}

/* Cloud variation 4 (lower altitude) */
.cloud-4 {
  width: 270px;
  height: 74px;
  top: 380px;
  opacity: 0.45;
  animation: driftRightSlow 85s linear infinite;
  animation-delay: -50s;
}
.cloud-4::before {
  width: 100px;
  height: 100px;
  top: -45px;
  left: 48px;
}
.cloud-4::after {
  width: 80px;
  height: 80px;
  top: -30px;
  left: 135px;
}

@keyframes driftRight {
  0% { transform: translateX(-350px); }
  100% { transform: translateX(calc(100vw + 350px)); }
}

@keyframes driftRightSlow {
  0% { transform: translateX(-450px); }
  100% { transform: translateX(calc(100vw + 450px)); }
}

@keyframes driftRightFast {
  0% { transform: translateX(-300px); }
  100% { transform: translateX(calc(100vw + 300px)); }
}

/* Floating ambient confetti / jelly sparkles */
.ambient-dot {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: floatUp 8s ease-in-out infinite;
}

@keyframes floatUp {
  0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.4; }
  50% { transform: translateY(-24px) rotate(180deg); opacity: 0.85; }
}

/* ==========================================================================
   Typography & Big 3D Title Effects
   ========================================================================== */

.game-title-pop {
  color: #0284c7;
  text-shadow: 
    1px 1px 0 #0369a1,
    2px 2px 0 #0369a1,
    3px 3px 0 #075985,
    4px 4px 0 #075985,
    5px 5px 0 #0c4a6e,
    -1px -1px 0 #0369a1,  
    1px -1px 0 #0369a1,
    -1px 1px 0 #0369a1,
    1px 1px 0 #0369a1,
    0 10px 22px rgba(12, 74, 110, 0.45);
}

.game-title-yellow {
  color: #f59e0b;
  text-shadow: 
    1px 1px 0 #d97706,
    2px 2px 0 #d97706,
    3px 3px 0 #b45309,
    4px 4px 0 #b45309,
    5px 5px 0 #92400e,
    -1px -1px 0 #d97706,  
    1px -1px 0 #d97706,
    -1px 1px 0 #d97706,
    1px 1px 0 #d97706,
    0 10px 22px rgba(180, 83, 9, 0.45);
}

/* ==========================================================================
   Chunky 3D Toy-Game Buttons
   ========================================================================== */

.btn-game-cyan {
  background: linear-gradient(180deg, #38bdf8 0%, #0284c7 100%);
  color: #ffffff;
  box-shadow: 0 5px 0 #0369a1, 0 8px 16px rgba(2, 132, 199, 0.28);
  transition: all 0.12s ease-in-out;
}
.btn-game-cyan:hover {
  background: linear-gradient(180deg, #7dd3fc 0%, #0369a1 100%);
  transform: translateY(-2px);
  box-shadow: 0 7px 0 #0369a1, 0 12px 22px rgba(2, 132, 199, 0.38);
}
.btn-game-cyan:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 #0369a1, 0 4px 8px rgba(2, 132, 199, 0.2);
}

.btn-game-orange {
  background: linear-gradient(180deg, #fb923c 0%, #ea580c 100%);
  color: #ffffff;
  box-shadow: 0 5px 0 #c2410c, 0 8px 16px rgba(234, 88, 12, 0.28);
  transition: all 0.12s ease-in-out;
}
.btn-game-orange:hover {
  background: linear-gradient(180deg, #fdba74 0%, #c2410c 100%);
  transform: translateY(-2px);
  box-shadow: 0 7px 0 #c2410c, 0 12px 22px rgba(234, 88, 12, 0.38);
}
.btn-game-orange:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 #c2410c, 0 4px 8px rgba(234, 88, 12, 0.2);
}

.btn-game-pastel {
  background: linear-gradient(180deg, #ffffff 0%, #edf4fc 100%);
  color: #2a364c;
  border: 1.5px solid #d0e0f2;
  box-shadow: 0 3px 0 #b8d0ea, 0 5px 12px rgba(160, 190, 220, 0.2);
  transition: all 0.12s ease-in-out;
}
.btn-game-pastel:hover {
  background: #ffffff;
  border-color: #93c5fd;
  transform: translateY(-1.5px);
  box-shadow: 0 5px 0 #b8d0ea, 0 8px 16px rgba(160, 190, 220, 0.3);
}
.btn-game-pastel:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #b8d0ea, 0 2px 4px rgba(160, 190, 220, 0.2);
}

/* ==========================================================================
   Clean Game Cards & Feature Boxes
   ========================================================================== */

.card-game {
  background: #ffffff;
  border: 2px solid #e2eaf5;
  border-radius: 1.5rem;
  box-shadow: 0 10px 25px -4px rgba(130, 160, 200, 0.12), 0 4px 8px -2px rgba(130, 160, 200, 0.06);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
}

.card-game:hover {
  transform: translateY(-3px);
  border-color: #93c5fd;
  box-shadow: 0 16px 32px -6px rgba(91, 141, 250, 0.18), 0 6px 12px -3px rgba(91, 141, 250, 0.08);
}

/* 6 Classic Feature Cards */
.feature-card {
  background: #ffffff;
  border: 2px solid #e8f0f8;
  border-radius: 1.25rem;
  padding: 1.5rem;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px -4px rgba(91, 141, 250, 0.16);
}

/* Pastell Accent Borders on Hover */
.feature-card.f-sky:hover { border-color: var(--pastel-sky); }
.feature-card.f-pink:hover { border-color: var(--pastel-pink); }
.feature-card.f-butter:hover { border-color: var(--pastel-butter); }
.feature-card.f-mint:hover { border-color: var(--pastel-mint); }
.feature-card.f-blue:hover { border-color: var(--pastel-blue); }
.feature-card.f-lavender:hover { border-color: var(--pastel-lavender); }

/* Icon badge pill in cards */
.icon-pill {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border-width: 2px;
  transition: transform 0.2s ease;
}

.feature-card:hover .icon-pill {
  transform: scale(1.08) rotate(-3deg);
}

/* Terminal & Code Block */
.terminal-block {
  background: #0f172a;
  color: #f8fafc;
  border-radius: 1rem;
  overflow: hidden;
  border: 2px solid #1e293b;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.14);
}

/* ==========================================================================
   Interactive Physics Block Canvas Component
   ========================================================================== */

.tower-interactive-box {
  background: linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
  border: 2.5px solid #d8e5f5;
  border-radius: 1.5rem;
  box-shadow: 0 14px 35px -5px rgba(90, 130, 180, 0.18);
  position: relative;
  overflow: hidden;
}

.tower-canvas {
  width: 100%;
  height: 380px;
  display: block;
  cursor: pointer;
  touch-action: none;
  user-select: none;
}

/* Pulsing Badge */
.pulse-emerald {
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseEmerald 2s infinite;
}

@keyframes pulseEmerald {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 7px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}