@charset "utf-8";
/* 초기화 및 가로 스크롤 방지 */


html, body {
    width: 100%;
    overflow-x: hidden; /* 가로 스크롤 강제 숨김 */
    margin: 0;
    padding: 0;
}


:root {
	--primary-color: #1a1a1a;
	--accent-color: #0056b3; /* 기업 신뢰감 주는 블루 */
	--text-color: #333;
	--text-light: #666;
	--bg-color: #fff;
	--bg-light: #f4f6f8;
	--container-width: 1600px;
}

img { width: 100%; display: block; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 150px 0; }

.main_visual { height: 100vh; width: 100%; position: relative; overflow: hidden; }
.swiper { margin: 0; width: 100%; height: 100vh; }
/* 기존 배경 이미지 설정 유지 */
.main_visual .swiper-slide:nth-child(1n) { background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(../img/main_banner_img01.jpg); background-position: center; background-size: cover; }
.main_visual .swiper-slide:nth-child(2n) { background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(../img/main_banner_img02.jpg); background-position: center; background-size: cover; }
.main_visual .swiper-slide.video-slide,
.main_visual .swiper-slide.youtube-slide { background-image: none; }

/* visual-tit 스타일 변경 */
.main_visual .swiper-slide .visual-tit { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; color: #fff; text-align: center; position: relative; z-index: 2; padding: 0 20px; } /* padding 추가 */
.main_visual .swiper-slide .title { display: block; font-weight: 700; /* font-weight 증가 */ transition: opacity 0.75s ease 0.75s; line-height: 1.2; /* line-height 조정 */ font-size: 4rem; /* font-size 증가 및 단위 변경 */ margin-bottom: 20px; letter-spacing: -1px; /* letter-spacing 조정 */ }
.main_visual .swiper-slide .description { font-size: 1.25rem; /* font-size 증가 및 단위 변경 */ color: #fff; transition: opacity 0.75s ease 0.75s; opacity: 0.9; /* opacity 조정 */ line-height: 1.6; /* line-height 추가 */ word-break: keep-all; /* 단어 단위 줄바꿈 */ }

/* 버튼 스타일 추가 */
.visual-btns { margin-top: 40px; display: flex; gap: 20px; }
.visual-btn { display: inline-block; padding: 15px 30px; border: 1px solid rgba(255, 255, 255, 0.3); background-color: rgba(0, 0, 0, 0.3); color: #fff; text-decoration: none; font-size: 1rem; transition: all 0.3s ease; cursor: pointer; }
.visual-btn:hover { background-color: #fff; color: #333; border-color: #fff; }

/* 페이지네이션 및 스크롤 스타일 유지 */
.main_visual .swiper-pagination { position: absolute; bottom: 120px; right: 280px; font-size: 16px; color: #fff; display: flex; align-items: center; }
.main_visual .swiper-pagination .current { font-size: 20px; margin: 0 10px; }
.main_visual .swiper-pagination .total { font-size: 20px; opacity: 0.8; margin: 0 10px; }
.main_visual .swiper-pagination .prev, .main_visual .swiper-pagination .next { cursor: pointer; font-size: 28px; }
.main_visual_scroll { position: absolute; bottom: 0px; right: 210px; z-index: 10; }
.main_visual_scroll .area_wrap { display: flex; align-items: center; }
.main_sc_box { position: relative; display: flex; flex-direction: column; align-items: center; }
.main_sc_box .sc_down { display: block; color: #fff; font-weight: 400; font-size: 11px; letter-spacing: 2px; writing-mode: vertical-rl; text-orientation: mixed; margin-bottom: 20px;}
.main_sc_box .sc_line { overflow: hidden; position: relative; display: block; width: 1px; height: 120px; background-color: rgba(255, 255, 255, 0.3); }
.main_sc_box .sc_line:after { position: absolute; top: 0; left: 0; width: 1px; height: 40px; background-color: #fff; content: ""; animation: line-over 2s ease-in-out infinite; }
@keyframes line-over { 0% { transform: translateY(0); opacity: 0; } 50% { opacity: 1; } 100% { transform: translateY(80px); opacity: 0; } }
.video-background, #youtube-player { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover;}
.video-slide::before, .youtube-slide::before {content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); z-index: 1;}

/* 반응형 미디어 쿼리 수정 */
@media screen and (max-width: 1200px) {
    .main_visual .swiper-slide .title { font-size: 3.5rem; margin-bottom: 18px; }
    .main_visual .swiper-slide .description { font-size: 1.125rem; }
    .main_visual .swiper-pagination { bottom: 60px; right: 60px; }
}

@media screen and (max-width: 992px) {
    .main_visual .swiper-slide .title { font-size: 3rem; margin-bottom: 16px; }
    .main_visual .swiper-slide .description { font-size: 1rem; }
    .visual-btns { margin-top: 30px; gap: 15px; }
    .visual-btn { padding: 12px 25px; font-size: 0.9rem; }
    .main_visual .swiper-pagination { bottom: 50px; right: 50px; }
    .main_visual .swiper-pagination .current, .main_visual .swiper-pagination .total { font-size: 18px; }
    .main_visual .swiper-pagination .prev, .main_visual .swiper-pagination .next { font-size: 24px; }
}

@media screen and (max-width: 768px) {
    .main_visual .swiper-slide .title { font-size: 2.5rem; margin-bottom: 14px; }
    .main_visual .swiper-slide .description { font-size: 0.9rem; }
    .visual-btns { margin-top: 25px; gap: 10px; }
    .visual-btn { padding: 10px 20px; font-size: 0.85rem; }
    .main_visual .swiper-pagination { bottom: 40px; right: 40px; }
    .main_visual .swiper-pagination .current, .main_visual .swiper-pagination .total { font-size: 16px; }
    .main_visual .swiper-pagination .prev, .main_visual .swiper-pagination .next { font-size: 20px; }
    .main_visual_scroll { bottom: 30px; right: 30px; }
    .main_sc_box .sc_line { height: 100px; }
}

@media screen and (max-width: 576px) {
    .main_visual .swiper-slide .title { font-size: 2rem; margin-bottom: 10px; }
    .main_visual .swiper-slide .description { font-size: 1.1rem; }
    .visual-btns { margin-top: 20px; flex-direction: column; gap: 10px; width: 100%; max-width: 300px; } /* 모바일에서 버튼 세로 정렬 및 너비 조정 */
    .visual-btn { padding: 15px 15px; font-size: 0.8rem; width: 100%; text-align: center; }
    .main_visual .swiper-pagination { bottom: 30px; right: 30px; }
    .main_visual .swiper-pagination .current, .main_visual .swiper-pagination .total { font-size: 14px; }
    .main_visual .swiper-pagination .prev, .main_visual .swiper-pagination .next { font-size: 18px; }
    .main_visual_scroll { bottom: 20px; right: 20px; }
    .main_sc_box .sc_down { font-size: 9px; margin-bottom: 15px; }
    .main_sc_box .sc_line { height: 80px; }
}

/* 섹션 헤더 */
.section-header {text-align: center; margin-bottom: 60px; max-width: 700px; margin-left: auto; margin-right: auto;}
.section-header span {color: var(--accent-color); font-weight: 700; text-transform: uppercase; font-size: 0.9rem; display: block; margin-bottom: 10px;}
.section-header h2 {font-size: 2.2rem; font-weight: 700; margin-bottom: 20px; line-height: 1.3;}
.section-header p { color: var(--text-light); font-size: 1.1rem; }

/* --- 3. 서비스 영역 --- */
.services-section { background: var(--bg-light); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card {background: #fff; padding: 40px; border-radius: 8px; transition: 0.3s; }
.service-card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
.icon-box {width: 60px; height: 60px; background: #eef4ff; color: var(--accent-color); display: flex; align-items: center; justify-content: center; border-radius: 12px; margin-bottom: 25px; font-size: 1.5rem;}
.service-card h3 { font-size: 1.3rem; margin-bottom: 15px; }
.service-card p { color: var(--text-light); font-size: 1.1rem; line-height: 1.7; margin-bottom: 20px;}
.link-text { color: var(--accent-color); font-weight: 600; font-size: 0.9rem; }

/* --- 4. 회사 소개 --- */
.about-section { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; }
.about-img img { border-radius: 8px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.about-text h2 { font-size: 2.5rem; margin-bottom: 25px; line-height: 1.2; }
.about-text p { color: var(--text-light); margin-bottom: 30px; font-size: 1.1rem; max-width: 550px;}
.about-text span { font-size: 1.1rem; margin-bottom: 10px;}
.check-list li { margin-bottom: 10px; display: flex; align-items: center; gap: 10px; font-weight: 500; font-size: 1.1rem;}
.check-list li::before { content: '✔'; color: var(--accent-color); }

/* --- 5. 실적/통계 --- */
.stats-section { background: var(--primary-color); color: #fff; padding: 80px 0; text-align: center; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-item h3 { font-size: 3rem; font-weight: 700; margin-bottom: 5px; color: var(--accent-color); }
.stat-item p { font-size: 1rem; opacity: 0.8; color: var(--bg-light);}

/* --- 6. 포트폴리오 --- */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.portfolio-item { position: relative; overflow: hidden; border-radius: 6px; cursor: pointer; aspect-ratio: 4/3; }
.portfolio-item img { height: 100%; object-fit: cover; transition: transform 0.5s; }
.portfolio-overlay {position: absolute; bottom: 0; left: 0; width: 100%; padding: 30px; background: linear-gradient(to top, rgba(0,0,0,0.8), transparent); color: #fff; opacity: 0; transition: 0.3s; transform: translateY(20px);}
.portfolio-item:hover img { transform: scale(1.1); }
.portfolio-item:hover .portfolio-overlay { opacity: 1; transform: translateY(0); }
.portfolio-cat { font-size: 0.8rem; color: var(--bg-light); margin-bottom: 5px; display: block;}
.portfolio-title { font-size: 1.2rem; font-weight: bold; }

/* --- 7. 뉴스 & 인사이트 --- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.news-card { background: #fff; border: 1px solid #eee; border-radius: 8px; overflow: hidden; transition: 0.3s; }
.news-card:hover { border-color: var(--accent-color); }
.news-img { height: 300px; overflow: hidden; }
.news-img img { height: 100%; object-fit: cover; }
.news-content { padding: 30px; }
.news-date { font-size: 0.85rem; color: #999; margin-bottom: 10px; display: block; }
.news-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; display: block;}
.news-desc { font-size: 1.1rem; color: #666; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* --- 반응형 --- */
@media (max-width: 1024px) {
    .service-grid, .portfolio-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
    .about-section { grid-template-columns: 1fr; text-align: center; }
    .about-text { order: 1; } .about-img { order: 2; }
    .check-list { display: inline-block; text-align: left; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 50px; }
}

@media (max-width: 768px) {
    .mobile-menu-btn { display: block; }
    .hero-swiper { height: 500px; }
    .hero-content h1 { font-size: 2rem; }
    .hero-btns { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 250px; text-align: center; }
    .service-grid, .portfolio-grid, .news-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; gap: 40px; }
}