/* ============================================
   COOL CAT ZONE — Fun Meme Website
   Palette: Warm oranges, cool blues, playful vibes
   Typography: Bangers (display) + Nunito (body)
   ============================================ */

:root {
  /* Colors */
  --orange: #FF6B35;
  --orange-light: #FF8C5A;
  --orange-dark: #E55A2B;
  --blue: #4ECDC4;
  --blue-light: #6EDDD6;
  --blue-dark: #3DBDB5;
  --yellow: #FFE66D;
  --yellow-light: #FFF0A0;
  --purple: #9B59B6;
  --pink: #FF6B9D;
  --dark: #2C3E50;
  --dark-light: #34495E;
  --light: #F7F9FC;
  --white: #FFFFFF;
  
  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #FF6B35 0%, #FF8C5A 50%, #FFE66D 100%);
  --gradient-cool: linear-gradient(135deg, #4ECDC4 0%, #9B59B6 100%);
  --gradient-fire: linear-gradient(135deg, #FF6B35 0%, #FF6B9D 100%);
  
  /* Typography */
  --font-display: 'Bangers', cursive;
  --font-body: 'Nunito', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
  --shadow-glow: 0 0 40px rgba(255,107,53,0.4);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background: var(--light);
  overflow-x: hidden;
}

/* Particles */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  font-size: 1.5rem;
  animation: float-up 15s linear infinite;
  opacity: 0.3;
}

@keyframes float-up {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  position: relative;
  z-index: 1;
}

/* Typography */
h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.2;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-bounce);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-fire);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-ghost {
  background: var(--white);
  color: var(--dark);
  border: 2px solid var(--dark);
}

.btn-ghost:hover {
  background: var(--dark);
  color: var(--white);
  transform: translateY(-3px);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.125rem;
}

.btn-full {
  width: 100%;
}

.btn-emoji {
  font-size: 1.25em;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--orange);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.logo-icon {
  font-size: 2rem;
  animation: bounce 2s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--dark);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  font-weight: 600;
  color: var(--dark);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--orange);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.nav-links a:not(.btn):hover::after {
  width: 100%;
}

.nav-links a:not(.btn):hover {
  color: var(--orange);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(70px + var(--space-3xl)) 0 var(--space-3xl);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(255,107,53,0.15), transparent),
    radial-gradient(ellipse 60% 50% at 80% 60%, rgba(78,205,196,0.1), transparent),
    var(--light);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(255,107,53,0.1) 2px, transparent 2px),
    radial-gradient(circle at 75% 75%, rgba(78,205,196,0.1) 2px, transparent 2px);
  background-size: 60px 60px;
  animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--yellow);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--dark);
  margin-bottom: var(--space-lg);
  animation: pulse-badge 2s ease infinite;
}

@keyframes pulse-badge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.badge-emoji {
  font-size: 1.25em;
}

.hero-title {
  margin-bottom: var(--space-lg);
  color: var(--dark);
  text-shadow: 3px 3px 0 var(--orange);
}

.gradient-text {
  background: var(--gradient-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(2px 2px 0 rgba(255,107,53,0.3));
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--dark-light);
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--orange);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 2px;
  height: 50px;
  background: var(--orange);
  border-radius: 1px;
  opacity: 0.3;
}

/* Hero Image */
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-frame {
  position: relative;
  padding: var(--space-md);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transform: rotate(-3deg);
  transition: transform var(--transition-bounce);
}

.image-frame:hover {
  transform: rotate(0deg) scale(1.02);
}

.cat-image {
  width: 100%;
  max-width: 450px;
  border-radius: var(--radius-lg);
  display: block;
}

.image-glow {
  position: absolute;
  inset: -20px;
  background: var(--gradient-fire);
  border-radius: var(--radius-xl);
  opacity: 0.3;
  filter: blur(30px);
  z-index: -1;
  animation: glow-pulse 3s ease infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.05); }
}

.floating-emoji {
  position: absolute;
  font-size: 2rem;
  animation: float-around 4s ease-in-out infinite;
  animation-delay: var(--delay);
}

.floating-emoji:nth-child(3) { top: -20px; left: -20px; }
.floating-emoji:nth-child(4) { top: 20%; right: -30px; }
.floating-emoji:nth-child(5) { bottom: 20%; left: -30px; }
.floating-emoji:nth-child(6) { bottom: -20px; right: 20%; }

@keyframes float-around {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(10deg); }
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--orange);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}

.section-title {
  color: var(--dark);
  margin-bottom: var(--space-md);
  text-shadow: 2px 2px 0 var(--yellow);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--dark-light);
}

/* Features Section */
.features {
  padding: var(--space-4xl) 0;
  background: var(--white);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom, var(--light), var(--white));
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  background: var(--light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-bounce);
  border: 3px solid transparent;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-fire);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--orange);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  display: inline-block;
  animation: wiggle 3s ease infinite;
}

.feature-card:nth-child(2) .feature-icon { animation-delay: 0.5s; }
.feature-card:nth-child(3) .feature-icon { animation-delay: 1s; }
.feature-card:nth-child(4) .feature-icon { animation-delay: 1.5s; }
.feature-card:nth-child(5) .feature-icon { animation-delay: 2s; }
.feature-card:nth-child(6) .feature-icon { animation-delay: 2.5s; }

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-5deg); }
  75% { transform: rotate(5deg); }
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--dark);
}

.feature-card p {
  color: var(--dark-light);
  font-size: 0.9375rem;
}

/* Gallery Section */
.gallery {
  padding: var(--space-4xl) 0;
  background: var(--light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-bounce);
}

.gallery-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.gallery-item.featured {
  grid-column: span 2;
}

.gallery-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.gallery-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-image img {
  transform: scale(1.1);
}

.gallery-image.placeholder {
  background: linear-gradient(135deg, var(--orange-light), var(--pink));
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-content {
  text-align: center;
  color: var(--white);
}

.placeholder-emoji {
  font-size: 4rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.placeholder-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  color: var(--white);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--yellow);
  color: var(--dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  width: fit-content;
}

.gallery-overlay h3 {
  margin-bottom: var(--space-xs);
}

.gallery-overlay p {
  font-size: 0.9375rem;
  opacity: 0.9;
}

/* Submit Section */
.submit {
  padding: var(--space-4xl) 0;
  background: var(--white);
  position: relative;
}

.submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 50% 30% at 10% 90%, rgba(255,107,53,0.1), transparent),
    radial-gradient(ellipse 40% 40% at 90% 10%, rgba(78,205,196,0.1), transparent);
}

.submit-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.submit-text .section-title {
  text-align: left;
}

.submit-text .section-subtitle {
  text-align: left;
  margin-bottom: var(--space-xl);
}

.submit-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.submit-feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 1.125rem;
  font-weight: 600;
}

.submit-icon {
  font-size: 1.5rem;
}

/* Form Card */
.form-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--orange);
}

.form-card h3 {
  text-align: center;
  margin-bottom: var(--space-lg);
  color: var(--dark);
}

.upload-zone {
  border: 3px dashed var(--orange);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  margin-bottom: var(--space-lg);
  position: relative;
}

.upload-zone:hover {
  background: rgba(255,107,53,0.05);
  border-color: var(--orange-dark);
}

.upload-zone.dragover {
  background: rgba(255,107,53,0.1);
  border-color: var(--orange);
  transform: scale(1.02);
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
}

.upload-zone p {
  font-weight: 700;
  color: var(--dark);
  margin-bottom: var(--space-xs);
}

.upload-zone span {
  font-size: 0.875rem;
  color: var(--dark-light);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--dark);
}

.form-group input[type="text"] {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--light);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: border-color var(--transition-fast);
}

.form-group input[type="text"]:focus {
  outline: none;
  border-color: var(--orange);
}

/* Coolness Slider */
.coolness-slider {
  padding: var(--space-sm) 0;
}

.coolness-slider input[type="range"] {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(to right, var(--blue), var(--orange));
  border-radius: var(--radius-full);
  outline: none;
  margin-bottom: var(--space-sm);
}

.coolness-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  background: var(--white);
  border: 3px solid var(--orange);
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.coolness-slider input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.coolness-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--dark-light);
}

#coolnessValue {
  font-weight: 700;
  color: var(--orange);
}

/* Footer */
.footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  background: var(--dark);
  color: var(--white);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .logo {
  margin-bottom: var(--space-md);
}

.footer-brand .logo-text {
  color: var(--white);
}

.footer-brand p {
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-lg);
  max-width: 300px;
}

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

.footer-social a {
  font-size: 1.5rem;
  transition: transform var(--transition-fast);
}

.footer-social a:hover {
  transform: translateY(-3px) scale(1.1);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer-column h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
  color: var(--orange);
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-column a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-xs);
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--orange);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  max-width: 400px;
  transform: scale(0.8);
  transition: transform var(--transition-bounce);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-emoji {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  animation: bounce 1s ease infinite;
}

.modal-content h3 {
  margin-bottom: var(--space-sm);
  color: var(--dark);
}

.modal-content p {
  color: var(--dark-light);
  margin-bottom: var(--space-xl);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content {
    order: 2;
  }
  
  .hero-image {
    order: 1;
  }
  
  .hero-subtitle {
    margin: 0 auto var(--space-xl);
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .submit-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .submit-text .section-title,
  .submit-text .section-subtitle {
    text-align: center;
  }
  
  .submit-features {
    align-items: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-brand p {
    margin: 0 auto var(--space-lg);
  }
  
  .footer-social {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
  }
  
  .stat-divider {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-item.featured {
    grid-column: span 1;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
}