* { margin: 0; padding: 0; box-sizing: border-box; }
	body, html {
	  height: 100%;
	  scroll-behavior: smooth;
	  font-family: 'Noto Sans KR', 'Roboto', sans-serif;
	}
   
    header {
      position: fixed; top: 0; width: 100%;
      background: white; z-index: 1000;
      display: flex; align-items: center; justify-content: space-between;
      padding: 20px 50px; box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    
    header h1 { font-size: 20px; }
    
    nav a {
      margin: 0 15px; text-decoration: none;
      color: black; font-weight: bold;
    }

    @media (max-width: 768px) {
       header {
        padding: 15px 20px;
        flex-direction: column;
        align-items: flex-start;
       }
       nav a {
        margin: 5px 10px;
       }
    }

    .section {
	  display: flex;
	  flex-direction: column;
	  justify-content: center;
	  align-items: center;
	}
	
/* 상단 고정 헤더 */
#top {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  /* background-image: url('../img/top_01.jpg'); */
  background-position: center;
  background-repeat: no-repeat;

  color: #ffd700;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  
  display: flex;
  flex-direction: column;
}


/* 내부 좌우 정렬 */
.top-bar {
  display: flex;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto; /* 화면 중앙에 위치 */
  position: relative;
  padding: 0 20px; /* 좌우 여백 */
  box-sizing: border-box;
}


/* 로고 */
.logo {
  margin-left: 1px;
  padding-left: 1px;
  display: flex;
  align-items: center;
}

.logo img {
  height: 60px;
  display: block;
}

/* 메뉴 */
.nav-menu {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  position: absolute; 
  bottom: -10px;
  right: 1px;
}

.nav-menu a {
  color: black;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: #ffd700;
}

/* 모바일 대응 */
@media (max-width: 768px) {
  #top {
    height: auto;
    padding-bottom: 10px;
  }
  html {
    font-size: 19px;
  }
  .section p {
    font-size: 19px;
    line-height: 1.8;
  }
  .card p {
    font-size: 19px;
  }
  .top-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px;
  }
  .nav-menu {
    position: static;
    margin-top: 10px;
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-menu a {
    margin-bottom: 24px;
  }
}


    /* 본문이 header에 가려지지 않도록 */
    body {
      padding-top: 10px;
      overflow-x: hidden; /* 추가 필수 */
    }


    .main-banner {
      padding-top: 10px; /* header 높이 만큼 확보 */
      min-height: 100vh; /* 전체 화면 높이 확보 */
      color: white;
      text-align: center;
      position: relative;
    }
    
	.section:not(.main-banner) {
	  height: 70vh;
	}
    .main-banner h2 {
      font-size: 48px;
      font-weight: 900;
      text-shadow: 2px 2px 8px rgba(0,0,0,0.4);
    }
    .main-banner p {
      font-size: 16px;
      margin-top: 15px;
      max-width: 600px;
      text-shadow: 1px 1px 4px rgba(0,0,0,0.3);
    }
    .content {
      padding: 60px;
      font-size: 24px;
      background: #f5f5f5;
      text-align: center;
    }
	
    .subtext {
	  font-size: 18px;
	  color: #555;
	  margin: 20px 0 40px;
	  line-height: 1.6;
	  text-align: center;
	}

	.icon-grid {
	  display: flex;
	  flex-wrap: wrap;
	  justify-content: center;
	  gap: 30px;
	}

	.icon-box {
	  display: flex;
	  flex-direction: column;
	  align-items: center;
	  width: 120px;
	  text-align: center;
	}

	.icon-box img {
	  width: 60px;
	  height: 60px;
	  margin-bottom: 10px;
	}

	.icon-box span {
	  font-size: 16px;
	  font-weight: bold;
	  color: #333;
	}
	
    .section h2 {
      font-size: 48px;
      font-weight: 900;
      color: #3366cc;
      margin-bottom: 25px;
      letter-spacing: 1px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }
    .section p {
      font-size: 18px;
      max-width: 800px;
      line-height: 1.75;
      letter-spacing: 0.03em;
      text-align: center;
      margin-bottom: 40px;
      font-weight: 500;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }
    
    .business-section {
      background-color: #f8fbff;
      padding: 80px 20px;
      text-align: center;
    }

    .business-section h2 {
      font-size: 32px;
      margin-bottom: 15px;
      font-weight: 800;
      color: #0d1a40;
    }

    .business-intro {
      font-size: 18px;
      color: #333;
      line-height: 1.6;
      margin-bottom: 50px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .business-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .card {
      background: #ffffff;
      border-radius: 16px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
      padding: 30px 20px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    }

    .card .icon {
      font-size: 40px;
      margin-bottom: 15px;
    }

    .card h3 {
      font-size: 20px;
      font-weight: 700;
      color: #1a2e5c;
      margin-bottom: 15px;
    }

    .card p {
      font-size: 16px;
      color: #5f6b7a;
      line-height: 1.5;
    }

/* Section 2 아이콘 박스 */
.icon-box-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.icon-box {
  width: 180px;
  padding: 20px;
  background: #f8f9fc;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.03);
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.icon-box:hover {
  background: #e6eefc;
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.06);
}

.icon-box i {
  font-size: 32px;
  color: #1a2e5c;
  margin-bottom: 10px;
  display: block;
}

.icon-box span {
  font-size: 16px;
  font-weight: 600;
  color: #1a2e5c;
}
.tech-promise {
  background: #fff;
  padding: 80px 20px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #2c3e50;
}

.tech-promise .container {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.section-title {
  font-size: 36px;
  font-weight: 900;
  color: #1f3a93;
  margin-bottom: 50px;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background: #1f3a93;
  margin: 16px auto 0;
  border-radius: 2px;
}

.slider {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.slides {
  display: flex;
  transition: transform 0.5s ease-in-out;
  justify-content: flex-start;
}

.slide {
  width: 100%;
  min-height: 350px;
  padding: 50px 40px;
  box-sizing: border-box;
  background: linear-gradient(135deg, #4a90e2, #357abd);
  border-radius: 24px;
  box-shadow: 8px 8px 24px rgba(53, 122, 189, 0.3); /* 오른쪽 아래 */
  flex-shrink: 0;
  margin: 0 15px;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.slide:hover {
  transform: translateY(-10px);
  box-shadow: 10px 14px 32px rgba(53, 122, 189, 0.45);
}

.icon-wrap {
  font-size: 64px;
  color: #dfefff; /* 더 밝은 파란 계열 */
  margin-bottom: 25px;
}

.slide h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 18px;
  color: #ffffff;
}

.slide p {
  font-size: 19px;
  line-height: 1.8;
  color: #e6f0fc; /* 연한 하늘빛 텍스트 */
  max-width: 700px;
  margin: 0 auto;
}

/* 슬라이더 네비게이션 버튼 */
.prev, .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(31, 58, 147, 0.8);
  color: white;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 26px;
  cursor: pointer;
  user-select: none;
  transition: background 0.3s ease, transform 0.2s ease;
  z-index: 10;
}

.prev:hover, .next:hover {
  background: #1f3a93;
  transform: translateY(-50%) scale(1.1);
}

.prev {
  left: 15px;
}

.next {
  right: 15px;
}

@media (max-width: 768px) {
  .slide {
    padding: 30px 20px;
    min-height: 300px;
  }

  .slide h3 {
    font-size: 22px;
  }

  .slide p {
    font-size: 16px;
  }

  .icon-wrap {
    font-size: 48px;
  }
}

#support {
  background-color: #f0f4ff; /* 연한 하늘색 느낌 */
  height: 200px; /* 원하는 고정 높이 */
  color: #2a3f85; /* 진하지 않은 차분한 블루 */
  padding: 20px 50px;
  min-height: 100px; /* 최소 높이 지정 */
  display: flex;
  align-items: center;
}

.support-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  width: 100%;
  flex-wrap: wrap;
  gap: 20px;
}

.support-left img {
  height: 50px;
  object-fit: contain;
}

.support-right {
  text-align: left;
  flex: 1;
  font-size: 16px;
  line-height: 1.2;         /* 줄 간격 증가 */
  margin-left:500px;
}

.support-right p {
  margin: 2px 0;           /* 간격 여유 */
  display: flex;
  align-items: center;
  gap: 10px;                /* 텍스트와 아이콘 간격 */
}

.support-right i {
  color: #f39c12;           /* 주황색 아이콘 */
  min-width: 20px;
  text-align: center;
}

@media (max-width: 600px) {
  #support {
    min-height: auto;
    padding: 20px 20px;
  }
  .support-container {
    flex-direction: column;
    align-items: flex-start;
  }
}

#about {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  min-height: 100vh;              /* 화면 전체 높이 확보 */
  padding: 100px 20px 50px;       /* 상단 여백 확보 + 하단 여백도 추가 */
  background-color: #f5f5f5;
  text-align: center;
  box-sizing: border-box;
  scroll-margin-top: 100px;
}

#about img {
  max-width: 100%;
  height: auto;
  margin-bottom: 60px;
}
/* about 섹션 - 좀 더 밝고 산뜻한 블루 그레이 */
#about p {
  color: #7a99c9;  /* 밝은 블루 그레이 톤 */
}

/* product 섹션 - 기본 검은색 (진한 회색) */
#product p {
  color: #222;  /* 거의 검정에 가까운 진한 회색 */
}

/* support 섹션 - 진한 연회색 */
#support p {
  color: #888c91;  /* 차분한 연회색 계열 */
}