/**
 * Bornomala Landing Page Styles
 * Modern, stylish design with Bangladesh theme
 */

/* CSS Custom Properties - Bangladesh Flag Theme */
:root {
  /* Bangladesh Flag Colors */
  --bangladesh-green: #006a4e;
  --bangladesh-red: #f42a41;
  --bangladesh-dark-green: #004d38;
  --bangladesh-light-green: #00a068;
  --bangladesh-cream: #f8f5f0;

  /* Extended Color Palette */
  --color-white: #ffffff;
  --color-black: #1a1a1a;
  --color-gray-100: #f7f8fc;
  --color-gray-200: #edf2f7;
  --color-gray-300: #e2e8f0;
  --color-gray-400: #cbd5e0;
  --color-gray-500: #a0aec0;
  --color-gray-600: #718096;
  --color-gray-700: #4a5568;
  --color-gray-800: #2d3748;
  --color-gray-900: #1a202c;

  /* Typography */
  --font-bengali: 'Noto Sans Bengali', serif;
  --font-english: 'Inter', sans-serif;
  --font-display: var(--font-bengali);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--bangladesh-green) 0%, var(--bangladesh-light-green) 100%);
  --gradient-hero: linear-gradient(135deg, var(--bangladesh-green) 0%, var(--bangladesh-dark-green) 50%, var(--bangladesh-red) 100%);
  --gradient-card: linear-gradient(135deg, var(--color-white) 0%, var(--bangladesh-cream) 100%);

  /* Animations */
  --transition-fast: 0.15s ease-out;
  --transition-medium: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-bengali);
  line-height: 1.6;
  color: var(--color-gray-800);
  background: var(--color-white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-gray-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  border: none;
  border-radius: 12px;
  font-family: var(--font-bengali);
  font-weight: 600;
  font-size: 1.125rem;
  text-decoration: none;
  text-align: center;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--bangladesh-green);
  border: 2px solid var(--bangladesh-green);
}

.btn-secondary:hover {
  background: var(--bangladesh-green);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.25rem;
}

.btn-subtitle {
  font-size: 0.875rem;
  font-weight: 400;
  opacity: 0.9;
  margin-top: var(--space-xs);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Hero Section */
.hero {
  background: var(--gradient-hero);
  color: var(--color-white);
  padding: var(--space-4xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../assets/images/banglabg.jpg') center/cover;
  opacity: 0.1;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.branding {
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.8s ease-out;
}

.brand-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.brand-logo {
  width: 360px;
  height: 360px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.brand-text {
  max-width: 300px;
  height: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.game-intro {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.game-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
  display: block;
  font-size: 1.5rem;
  font-weight: 400;
  font-family: var(--font-english);
  opacity: 0.9;
  margin-top: var(--space-sm);
}

.game-description {
  font-size: 1.25rem;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* Features Section */
.features {
  padding: var(--space-4xl) 0;
  background: var(--color-gray-100);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
  font-size: 2.5rem;
  color: var(--bangladesh-dark-green);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.feature-card {
  background: var(--gradient-card);
  padding: var(--space-xl);
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
  border: 1px solid var(--color-gray-200);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

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

.feature-card h3 {
  color: var(--bangladesh-green);
  margin-bottom: var(--space-md);
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--color-gray-700);
  font-size: 1rem;
  margin-bottom: 0;
}

/* How to Play Section */
.how-to-play {
  padding: var(--space-4xl) 0;
  background: var(--color-white);
}

.gameplay-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-2xl) 0;
}

.gameplay-step {
  text-align: center;
  padding: var(--space-xl);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--space-md);
  box-shadow: var(--shadow-md);
}

.gameplay-step h3 {
  color: var(--bangladesh-green);
  margin-bottom: var(--space-md);
}

.color-guide {
  background: var(--color-gray-100);
  padding: var(--space-2xl);
  border-radius: 16px;
  margin: var(--space-2xl) 0;
}

.color-guide h3 {
  text-align: center;
  color: var(--bangladesh-dark-green);
  margin-bottom: var(--space-xl);
}

.color-examples {
  display: grid;
  gap: var(--space-lg);
  max-width: 600px;
  margin: 0 auto;
}

.color-example {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.example-tiles {
  display: flex;
  gap: var(--space-sm);
}

.tile {
  width: 50px;
  height: 50px;
  border: 2px solid var(--color-gray-300);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--color-white);
}

.tile.correct {
  background: var(--bangladesh-green);
  border-color: var(--bangladesh-dark-green);
  color: var(--color-white);
}

.tile.present {
  background: #d4af37;
  border-color: #b8941f;
  color: var(--color-white);
}

.tile.partial {
  background: #9b59b6;
  border-color: #8e44ad;
  color: var(--color-white);
}

.tile.absent {
  background: #8b4513;
  border-color: #654321;
  color: var(--color-white);
}

.word-types {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-2xl) 0;
}

.word-type-section {
  background: var(--color-gray-100);
  padding: var(--space-xl);
  border-radius: 16px;
}

.word-type-section h3 {
  color: var(--bangladesh-green);
  margin-bottom: var(--space-md);
}

.word-type-section ul {
  list-style: none;
  padding: 0;
}

.word-type-section li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.word-type-section li:last-child {
  border-bottom: none;
}

.tips-section {
  background: var(--gradient-card);
  padding: var(--space-xl);
  border-radius: 16px;
  margin-top: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.tips-section h3 {
  color: var(--bangladesh-green);
  margin-bottom: var(--space-md);
  text-align: center;
}

.tips-section ul {
  list-style: none;
  padding: 0;
  max-width: 600px;
  margin: 0 auto;
}

.tips-section li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
}

.tips-section li::before {
  content: '💡';
  position: absolute;
  left: 0;
  top: var(--space-sm);
}

/* About Developer Section */
.about-developer {
  padding: var(--space-4xl) 0;
  background: var(--color-gray-100);
}

.developer-content {
  max-width: 800px;
  margin: 0 auto;
}

.developer-branding {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  justify-content: center;
}

.developer-logo {
  width: 80px;
  height: 80px;
}

.developer-text h3 {
  color: var(--bangladesh-green);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.developer-tagline {
  color: var(--color-gray-600);
  font-style: italic;
  margin-bottom: 0;
}

.developer-description {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
}

.developer-links {
  text-align: center;
}

.developer-links h4 {
  color: var(--bangladesh-green);
  margin-bottom: var(--space-md);
}

.contact-links {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  color: var(--bangladesh-green);
  text-decoration: none;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-medium);
  border: 1px solid var(--color-gray-200);
}

.contact-link:hover {
  background: var(--bangladesh-green);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Call to Action Section */
.cta {
  padding: var(--space-4xl) 0;
  background: var(--gradient-hero);
  color: var(--color-white);
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.cta-content p {
  font-size: 1.25rem;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--space-2xl) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-branding {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo {
  max-width: 200px;
  height: auto;
  margin-bottom: var(--space-sm);
  filter: brightness(0.8);
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-gray-300);
  text-decoration: none;
  transition: color var(--transition-medium);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .game-title {
    font-size: 2rem;
  }

  .subtitle {
    font-size: 1.125rem;
  }

  .game-description {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

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

  .gameplay-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .color-example {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }

  .word-types {
    grid-template-columns: 1fr;
  }

  .developer-branding {
    flex-direction: column;
    text-align: center;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .contact-links {
    flex-direction: column;
  }

  .contact-link {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-2xl) 0;
  }

  .section-title {
    font-size: 2rem;
  }

  .features,
  .how-to-play,
  .about-developer,
  .cta {
    padding: var(--space-2xl) 0;
  }

  .brand-container {
    gap: var(--space-md);
  }

  .brand-logo {
    width: 240px;
    height: 240px;
  }

  .brand-text {
    max-width: 250px;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print Styles */
@media print {
  .hero,
  .cta,
  .footer {
    background: var(--color-white) !important;
    color: var(--color-black) !important;
  }

  .btn {
    border: 2px solid var(--color-black) !important;
    background: var(--color-white) !important;
    color: var(--color-black) !important;
  }
}