/* ===== CARTOON PARTY DESIGN SYSTEM ===== */
:root {
  --color-bg: #1a1a2e;
  --color-bg-light: #16213e;
  
  /* Primary Palette - Candy Colors */
  --color-yellow: #ffe66d;
  --color-orange: #ff6b35;
  --color-pink: #ff6eb4;
  --color-coral: #e85a71;
  --color-purple: #a855f7;
  --color-blue: #38bdf8;
  --color-green: #4ade80;
  --color-red: #ef4444;
  
  /* Glow versions */
  --glow-yellow: rgba(255, 230, 109, 0.5);
  --glow-pink: rgba(255, 110, 180, 0.5);
  --glow-blue: rgba(56, 189, 248, 0.5);
  
  --font-fun: 'Fredoka', 'Comic Sans MS', cursive;
  --shadow-cartoon: 4px 4px 0px rgba(0,0,0,0.3);
  --shadow-cartoon-lg: 6px 6px 0px rgba(0,0,0,0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-fun);
  background: var(--color-bg);
  color: white;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ===== ANIMATED BACKGROUND ===== */
.bg-party {
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 80%, var(--color-pink) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, var(--color-blue) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, var(--color-purple) 0%, transparent 50%),
    linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
  z-index: -2;
  opacity: 0.8;
}

.bg-shapes {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.floating-shape {
  position: absolute;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  opacity: 0;
  transition: opacity 1s ease;
}

.floating-shape.visible {
  opacity: 0.12;
}

.floating-shape:nth-child(1) {
  width: 300px;
  height: 300px;
  background: var(--color-yellow);
  top: 10%;
  left: 10%;
}

.floating-shape:nth-child(2) {
  width: 200px;
  height: 200px;
  background: var(--color-pink);
  top: 60%;
  right: 10%;
  border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
}

.floating-shape:nth-child(3) {
  width: 250px;
  height: 250px;
  background: var(--color-blue);
  bottom: 20%;
  left: 30%;
}

.floating-shape:nth-child(4) {
  width: 180px;
  height: 180px;
  background: var(--color-coral);
  top: 30%;
  right: 25%;
  border-radius: 50% 50% 30% 70% / 40% 60% 40% 60%;
}

/* Floating emojis container */
.floating-emojis {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.floating-emoji {
  position: absolute;
  font-size: 2.5rem;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.floating-emoji.visible {
  opacity: 0.15;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
  position: relative;
}

.logo {
  width: min(400px, 80vw);
  margin-bottom: 24px;
  filter: drop-shadow(0 10px 30px rgba(232, 90, 113, 0.4));
  opacity: 0;
  transform: translateY(-30px) scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.tagline {
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 48px;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.3);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
}

.tagline.visible {
  opacity: 1;
  transform: translateY(0);
}

.tagline .highlight {
  color: var(--color-yellow);
  font-weight: 600;
}

/* ===== CTA BUTTONS ===== */
.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease 0.5s, transform 0.6s ease 0.5s;
}

.cta-group.visible {
  opacity: 1;
  transform: translateY(0);
}

.btn-cartoon {
  font-family: var(--font-fun);
  font-weight: 600;
  font-size: 1.5rem;
  padding: 20px 40px;
  border: 4px solid #000;
  border-radius: 20px;
  cursor: pointer;
  position: relative;
  transition: all 0.15s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.btn-cartoon:hover {
  transform: translate(-3px, -3px);
}

.btn-cartoon:active {
  transform: translate(3px, 3px);
  box-shadow: none !important;
}

.btn-host {
  background: var(--color-blue);
  color: #000;
  box-shadow: 6px 6px 0 0 #000;
}

.btn-host:hover {
  box-shadow: 9px 9px 0 0 #000;
  background: #5fc9f8;
}

.btn-play {
  background: var(--color-pink);
  color: #000;
  box-shadow: 6px 6px 0 0 #000;
}

.btn-play:hover {
  box-shadow: 9px 9px 0 0 #000;
  background: #ff8ec6;
}

.btn-icon {
  font-size: 1.75rem;
  display: inline-block;
  transition: transform 0.3s ease;
}

.btn-cartoon:hover .btn-icon {
  transform: scale(1.2) rotate(-10deg);
}

/* Scroll indicator */
.scroll-hint {
  position: absolute;
  bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.6s ease 0.8s;
}

.scroll-hint.visible {
  opacity: 1;
}

.scroll-hint span {
  font-size: 1.5rem;
}

/* ===== HOW IT WORKS SECTION ===== */
.section {
  padding: 100px 24px;
  position: relative;
}

.section-title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  text-align: center;
  margin-bottom: 60px;
  color: var(--color-yellow);
  text-shadow: 
    4px 4px 0 var(--color-orange),
    8px 8px 0 rgba(0,0,0,0.3);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-title.visible {
  opacity: 1;
  transform: translateY(0);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.step-card {
  background: linear-gradient(135deg, #2a2a4a 0%, #1f1f3a 100%);
  border: 4px solid #fff;
  border-radius: 24px;
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow-cartoon-lg);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  opacity: 0;
  transform: translateY(40px);
}

.step-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-yellow), var(--color-orange), var(--color-pink), var(--color-purple), var(--color-blue));
}

.step-card:hover {
  transform: translateY(-8px) rotate(-1deg);
  box-shadow: 8px 12px 0 0 rgba(0,0,0,0.3);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--color-yellow);
  border: 4px solid #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 700;
  color: #000;
  margin: 0 auto 20px;
  box-shadow: 3px 3px 0 0 #000;
}

.step-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  display: inline-block;
  transition: transform 0.3s ease;
}

.step-card:hover .step-icon {
  transform: scale(1.2) rotate(10deg);
}

.step-card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--color-pink);
}

.step-card p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
}

/* ===== FEATURES SECTION ===== */
.features-section {
  background: linear-gradient(180deg, transparent 0%, rgba(168, 85, 247, 0.1) 50%, transparent 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
}

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateX(-30px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateX(0);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-pink);
  transform: scale(1.02);
}

.feature-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  display: inline-block;
  transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.2);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--color-blue);
}

.feature-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
}

/* ===== FINAL CTA SECTION ===== */
.cta-section {
  text-align: center;
  padding: 120px 24px;
}

.cta-section h2 {
  font-size: clamp(2rem, 6vw, 3rem);
  margin-bottom: 16px;
  color: white;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.cta-section h2.visible {
  opacity: 1;
  transform: translateY(0);
}

.cta-section .rainbow-text {
  background: linear-gradient(90deg, 
    var(--color-yellow), 
    var(--color-orange), 
    var(--color-pink), 
    var(--color-purple), 
    var(--color-blue),
    var(--color-yellow)
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-section p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

.cta-section p.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 40px 24px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer a {
  color: var(--color-pink);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .btn-cartoon {
    font-size: 1.25rem;
    padding: 16px 32px;
  }

  .cta-group {
    flex-direction: column;
    align-items: center;
  }

  .section {
    padding: 80px 20px;
  }

  .floating-emoji {
    font-size: 1.5rem;
  }
}

/* ===== PARTICLE CANVAS ===== */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}