/* Reset & 기본 스타일 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
  }
  
  .container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
  }
  
  /* Header */
  .site-header {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
  }
  
  .site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
  }
  
  .logo h1 {
    font-size: 1.8rem;
    color: #ffcc00;
  }
  
  .site-nav ul {
    list-style: none;
    display: flex;
  }
  
  .site-nav ul li {
    margin-left: 20px;
  }
  
  .site-nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: color 0.3s;
  }
  
  .site-nav ul li a:hover {
    color: #ffcc00;
  }
  
  .menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
  }
  
  /* Hero Section */
  .hero-section {
    height: 100vh;
    background: url('hero-bg.jpg') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 80px; /* 고정 헤더 공간 확보 */
  }
  
  .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
  }
  
  .hero-content {
    position: relative;
    text-align: center;
    color: #fff;
  }
  
  .hero-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
  }
  
  .hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
  }
  
  .btn {
    padding: 12px 30px;
    background: #ffcc00;
    color: #333;
    border: none;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s;
  }
  
  .btn:hover {
    background: #e6b800;
  }
  
  /* About Section */
  .about-section {
    padding: 80px 0;
    background: #fff;
    text-align: center;
  }
  
  .about-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #ffcc00;
  }
  
  .about-section p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: auto;
  }
  
  /* Features Section */
  .features-section {
    padding: 80px 0;
    background: #f9f9f9;
    text-align: center;
  }
  
  .features-section h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #333;
  }
  
  .features-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .feature-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    width: 300px;
    transition: transform 0.3s;
  }
  
  .feature-card:hover {
    transform: translateY(-5px);
  }
  
  .feature-card i {
    font-size: 2.5rem;
    color: #ffcc00;
    margin-bottom: 20px;
  }
  
  .feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
  }
  
  .feature-card p {
    font-size: 1rem;
    color: #666;
  }
  
  /* Community Section */
  .community-section {
    padding: 80px 0;
    background: #fff;
    text-align: center;
  }
  
  .community-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #ffcc00;
  }
  
  .community-section p {
    font-size: 1.1rem;
    margin-bottom: 30px;
  }
  
  .social-links a {
    color: #333;
    font-size: 1.8rem;
    margin: 0 10px;
    transition: color 0.3s;
  }
  
  .social-links a:hover {
    color: #ffcc00;
  }
  
  /* Footer */
  .site-footer {
    background: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
  }
  
  .site-footer p {
    margin-bottom: 10px;
  }
  
  .footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
  }
  
  .footer-links li a {
    text-decoration: none;
    color: #fff;
    transition: color 0.3s;
  }
  
  .footer-links li a:hover {
    color: #ffcc00;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .site-nav ul {
      flex-direction: column;
      position: absolute;
      top: 60px;
      right: 20px;
      background: #fff;
      padding: 10px;
      border-radius: 5px;
      display: none;
    }
    .site-nav ul.active {
      display: flex;
    }
    .menu-toggle {
      display: block;
    }
    .features-grid {
      flex-direction: column;
      align-items: center;
    }
  }