/* styles.css */

/* CSS 변수 정의 */
:root {
  --primary-color: #1c87c9;
  --primary-hover: #156a9e;
  --secondary-color: #333;
  --light-gray: #f5f5f5;
  --medium-gray: #e0e0e0;
  --dark-gray: #666;
  --white: #ffffff;
  --black: #000000;
  --border-radius: 6px;
  --box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, Arial, sans-serif;
  line-height: 1.6;
  color: var(--secondary-color);
  background-color: var(--white);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

//*
img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}
*//


button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* 헤더 스타일 */
.header {
  background-color: var(--black);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--box-shadow);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: var(--white);
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
}

.logo-icon {
  margin-right: 0.5rem;
  font-size: 1.5rem;
}

/* 네비게이션 메뉴 */
.nav-container {
  max-width: 1200px;
  margin: 1.5rem auto 0;
  padding: 0 1rem;
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.nav-btn {
  padding: 0.5rem 1rem;
  background-color: var(--light-gray);
  border: 1px solid var(--medium-gray);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  color: var(--secondary-color);
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

.nav-btn:hover {
  background-color: var(--medium-gray);
  transform: translateY(-2px);
}
        /* Features */
        .features {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin: 20px 0;
        }
        
        .feature {
            text-align: center;
            width: 150px;
        }
        
        .feature img {
            height: 60px;
            margin-bottom: 5px;
        }
        
        /* Photo Gallery */
        .photo-gallery {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        
        .photo-gallery img {
            height: 100px;
            border: 1px solid #ddd;
            border-radius: 4px;
            transition: transform 0.3s;
        }
        
        .photo-gallery img:hover {
            transform: scale(1.05);
        }
        
        /* Footer */
        .footer {
            font-size: 12px;
            color: #666;
            text-align: center;
            margin-top: 30px;
            padding-top: 10px;
            border-top: 1px solid #ddd;
        }

        /* Buttons */
        .button-nav {
            margin: 20px 0;
            text-align: center;
        }
        
        .button-nav button {
            background-color: #1c87c9;
            color: white;
            border: none;
            padding: 8px 15px;
            margin: 0 10px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
        }
        
        .button-nav button:hover {
            background-color: #156699;
        }


        /* Specification Tables */
        .spec-section {
            margin: 20px 0;
            background-color: white;
            border-radius: 5px;
            padding: 15px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        .spec-header {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 10px;
            color: #1c87c9;
            border-bottom: 2px solid #1c87c9;
            padding-bottom: 5px;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 15px 0;
            font-size: 14px;
        }
        
        th, td {
            padding: 10px 12px;
            border: 1px solid #ddd;
            text-align: left;
        }
        
        th {
            background-color: #150734;
            color: white;
            font-weight: bold;
        }
        
        tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        
        tr:hover {
            background-color: #f1f1f1;
        }

/* 검색 영역 */
.search-section {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.search-form {
  display: flex;
  width: 100%;
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.search-input {
  flex: 1;
  padding: 0.875rem 1rem;
  border: none;
  font-size: 1rem;
  outline: none;
  background-color: var(--white);
}

.search-input::placeholder {
  color: var(--dark-gray);
  opacity: 0.7;
}

.search-btn {
  padding: 0 1.5rem;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.search-btn:hover {
  background-color: var(--primary-hover);
}

/* 언어 선택 메뉴 */
.language-menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
}

.language-link {
  color: var(--white);
  font-size: 0.8125rem;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  transition: var(--transition);
}

.language-link:hover {
  background-color: rgba(255,255,255,0.1);
}

.divider {
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
}

/* 배너 영역 */
.banner-section {
  text-align: center;
  margin: 2rem 0;
}

.banner-link {
  display: inline-block;
  margin: 0 0.75rem;
  transition: var(--transition);
}

.banner-link:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

.banner-img {
  height: 2.25rem;
  width: auto;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .header-container {
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }

  .logo {
    font-size: 1.1rem;
  }

  .nav-menu {
    gap: 0.5rem;
  }

  .nav-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8125rem;
  }

  .search-section {
    margin: 1.5rem auto;
  }

  .banner-img {
    height: 2rem;
  }

    .block-menu {
        background-color: #333;
        padding: 8px 0;
        font-family: Arial, sans-serif;
    }
    
    .block-menu a {
        color: white;
        text-decoration: none;
        font-size: 14px;
        padding: 5px 10px;
        transition: all 0.3s ease;
    }
    
    .block-menu a:hover {
        color: #4CAF50;
        text-decoration: underline;
    }
    
    .block-menu font[color='white'] {
        padding: 0 5px;
    }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .search-form {
    flex-direction: column;
    box-shadow: none;
    gap: 0.5rem;
  }

  .search-input {
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
  }

  .search-btn {
    padding: 0.75rem;
    border-radius: var(--border-radius);
    width: 100%;
  }

  .nav-menu {
    gap: 0.4rem;
  }

  .nav-btn {
    padding: 0.35rem 0.7rem;
    font-size: 0.75rem;
  }

  .language-menu {
    justify-content: center;
  }

  .banner-section {
    margin: 1.5rem 0;
  }

  .banner-link {
    margin: 0 0.5rem;
  }

  .banner-img {
    height: 1.75rem;
  }
}

/* 유틸리티 클래스 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}