/* MangoPets - Modern CSS Framework */

/* CSS Reset and Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Modern Color Palette - Fun & Playful */
  --primary-orange: #FF8C42;
  --primary-peach: #FFB366;
  --accent-purple: #9B59B6;
  --accent-blue: #3498DB;
  --accent-pink: #FF6B9D;
  --accent-green: #2ECC71;
  --warm-yellow: #F1C40F;
  
  /* Neutrals - Modern & Sleek */
  --dark-navy: #1A1D29;
  --medium-gray: #64748B;
  --light-gray: #F1F5F9;
  --soft-white: #FEFEFE;
  --pure-white: #FFFFFF;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-orange), var(--primary-peach));
  --gradient-purple: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  --gradient-blue: linear-gradient(135deg, var(--accent-blue), var(--primary-peach));
  --gradient-hero: linear-gradient(135deg, #FF8C42 0%, #FFB366 50%, #FF6B9D 100%);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-heading: 'Poppins', var(--font-primary);
  --font-playful: 'Fredoka', var(--font-primary);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
  --shadow-color: 0 8px 32px rgba(255, 140, 66, 0.3);
  
  /* Animations */
  --transition-fast: 0.2s ease-out;
  --transition-smooth: 0.3s ease-out;
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&family=Fredoka:wght@300;400;500;600&display=swap');

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  color: var(--dark-navy);
  line-height: 1.6;
  font-weight: 400;
  background: var(--soft-white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--dark-navy);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 600; }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

.text-playful {
  font-family: var(--font-playful);
  font-weight: 500;
}

.text-large {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: 1.7;
}

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

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

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-sm {
  padding: var(--space-2xl) 0;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(254, 254, 254, 0.95);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 140, 66, 0.1);
  transition: all var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
}

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

.logo img {
  height: 40px;
  width: auto;
  border-radius: var(--radius-sm);
}

.logo-text {
  font-family: var(--font-playful);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark-navy);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  color: var(--medium-gray);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-orange);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-smooth);
}

.nav-link:hover::after {
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255, 140, 66, 0.4);
}

.btn-secondary {
  background: var(--pure-white);
  color: var(--primary-orange);
  border: 2px solid var(--primary-orange);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--primary-orange);
  color: var(--pure-white);
  transform: translateY(-2px);
}

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

.btn-ghost:hover {
  background: var(--light-gray);
  color: var(--primary-orange);
}

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

/* Cards */
.card {
  background: var(--pure-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
  border: 1px solid rgba(255, 140, 66, 0.1);
  position: relative;
  overflow: hidden;
}

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

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.card-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 2rem;
  box-shadow: var(--shadow-color);
}

.card-purple .card-icon {
  background: var(--gradient-purple);
}

.card-blue .card-icon {
  background: var(--gradient-blue);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Hero Section */
.hero {
  background: var(--gradient-hero);
  color: var(--pure-white);
  padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="hero-pattern" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="2" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23hero-pattern)"/></svg>') repeat;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--pure-white);
  margin-bottom: var(--space-md);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero .text-large {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-xl);
}

/* App Screenshots Gallery */
.screenshots-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

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

.screenshot img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-smooth);
}

.screenshot:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.screenshot:hover img {
  transform: scale(1.1);
}

/* Feature Icons */
.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

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

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

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-bounce {
  animation: bounce 2s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--dark-navy);
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--light-gray);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-orange);
  box-shadow: 0 0 0 4px rgba(255, 140, 66, 0.1);
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.form-checkbox input {
  transform: scale(1.2);
  accent-color: var(--primary-orange);
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.hidden { display: none; }
.visible { display: block; }

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark-navy);
  cursor: pointer;
  padding: var(--space-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--pure-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid rgba(255, 140, 66, 0.1);
  }
  
  .nav-links.show {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .screenshots-gallery {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container,
  .container-wide {
    padding: 0 var(--space-sm);
  }
  
  .hero {
    padding: calc(80px + var(--space-2xl)) 0 var(--space-2xl);
  }
  
  .card {
    padding: var(--space-lg);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-md);
  }
  
  .btn-lg {
    padding: var(--space-md) var(--space-lg);
  }
}