/* Base styles and variables */
:root {
  --primary-color: #1e3a8a;
  --secondary-color: #f97316;
  --accent-color: #10b981;
  --background-color: #f8fafc;
  --text-color: #1e293b;
  --light-text: #f1f5f9;
  --header-height: 70px;
  --footer-height: 160px;
  --max-width: 1200px;
  --border-radius: 8px;
}

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

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--secondary-color);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background-color: var(--primary-color);
  color: var(--light-text);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
}

.logo svg {
  height: 40px;
  width: 40px;
  margin-right: 10px;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

/* Navigation */
nav ul {
  display: flex;
  list-style: none;
}

nav li {
  margin-left: 30px;
}

nav a {
  color: var(--light-text);
  font-weight: 500;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transition: width 0.3s ease;
}

nav a:hover {
  color: var(--light-text);
}

nav a:hover::after {
  width: 100%;
}

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--light-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero section */
.hero {
  padding: calc(var(--header-height) + 60px) 0 60px;
  background: linear-gradient(135deg, var(--primary-color) 0%, #0d4599 100%);
  color: var(--light-text);
  text-align: center;
}

.hero h2 {
  font-size: 2.8rem;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 30px;
}

.cta-button {
  display: inline-block;
  background-color: var(--secondary-color);
  color: white;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background-color: #e86207;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Sections */
section {
  padding: 80px 0;
}

section h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 50px;
  position: relative;
}

section h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--secondary-color);
}

/* About */
.about {
  background-color: white;
}

.about-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 50px;
}

.about-text {
  flex: 1;
}

.about-img {
  flex: 1;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Exhibits */
.exhibits {
  background-color: #fafbff;
}

.exhibits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.exhibit-card {
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.exhibit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.exhibit-content {
  padding: 20px;
}

.exhibit-content h3 {
  margin-bottom: 10px;
}

/* Games section */
.games {
  background-color: white;
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 25px;
}

.game-card {
  background-color: #f0f4ff;
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
  text-align: center;
}

.game-card:hover {
  transform: translateY(-5px);
}

.game-card h3 {
  margin-bottom: 15px;
  color: var(--primary-color);
}

.game-links {
  margin-top: 20px;
}

.game-links a {
  display: inline-block;
  margin: 5px;
  padding: 8px 15px;
  background-color: var(--primary-color);
  color: white;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
}

.game-links a:hover {
  background-color: var(--secondary-color);
}

/* Contact */
.contact {
  background-color: #fafbff;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: white;
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

.submit-btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  font-weight: 600;
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  background-color: var(--secondary-color);
}

/* Footer */
footer {
  background-color: #0f172a;
  color: #cbd5e1;
  padding: 50px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-column h3 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-column ul {
  list-style: none;
}

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column a {
  color: #cbd5e1;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #1e2a4a;
}

.social-links {
  margin-bottom: 15px;
}

.social-links a {
  display: inline-block;
  margin: 0 10px;
  color: white;
  font-size: 1.2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

.footer-logo svg {
  height: 40px;
  width: 40px;
  margin-right: 10px;
}

/* Responsive styles */
@media (max-width: 768px) {
  nav ul {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    flex-direction: column;
    padding: 20px 0;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  }
  
  nav ul.show {
    display: flex;
  }
  
  nav li {
    margin: 10px 20px;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero h2 {
    font-size: 2.2rem;
  }
  
  .about-content {
    flex-direction: column;
    gap: 30px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero h2 {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  section h2 {
    font-size: 1.8rem;
  }
  
  .exhibit-card,
  .game-card {
    margin: 0 auto;
    max-width: 300px;
  }
  
  .exhibits-grid,
  .games-grid {
    grid-template-columns: 1fr;
  }
}