/* ========================================
   About Page - Section 1
   ======================================== */
.about_section1 {
    position: relative;
    width: 100%;
    min-height: 550px;
    background-image: url('../images/about/main_bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.about_section1_container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.about_section1_content {
    text-align: center;
    color: #FFFFFF;
}

.about_section1_en {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #FFFFFF;
    letter-spacing: 4px;
    margin: 0 0 15px 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.about_section1_ko {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 52px;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0;
    line-height: 1.2;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

/* 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .about_section1 {
        min-height: 500px;
    }
    
    .about_section1_container {
        padding: 0 30px;
    }
    
    .about_section1_en {
        font-size: 15px;
        letter-spacing: 3px;
        margin-bottom: 12px;
    }
    
    .about_section1_ko {
        font-size: 42px;
    }
}

/* 모바일 (480px ~ 767px) */
@media (max-width: 767px) and (min-width: 480px) {
    .about_section1 {
        min-height: 400px;
    }
    
    .about_section1_container {
        padding: 0 20px;
    }
    
    .about_section1_en {
        font-size: 14px;
        letter-spacing: 3px;
        margin-bottom: 10px;
    }
    
    .about_section1_ko {
        font-size: 36px;
    }
}

/* 작은 모바일 (480px 이하) */
@media (max-width: 479px) {
    .about_section1 {
        min-height: 360px;
    }
    
    .about_section1_container {
        padding: 0 20px;
    }
    
    .about_section1_en {
        font-size: 13px;
        letter-spacing: 2px;
        margin-bottom: 8px;
    }
    
    .about_section1_ko {
        font-size: 32px;
    }
}

/* ========================================
   About Page - Section 2 (CEO 인사말)
   ======================================== */
.about_section2 {
    padding: 100px 0;
    background: #FFFFFF;
}

.about_section2_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about_sec2_title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: #222222;
    margin: 0 0 45px 0;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.about_sec2_title .brand_color {
    color: #2F3389; /* 더한강그룹 시그니처 네이비 */
}

.about_sec2_grid {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.about_sec2_imgbox {
    flex: 0 0 570px; /* 원본 해상도 570px 가로폭 일치 고정 설정 */
    max-width: 570px;
}

.ceo_img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    border: 1px solid #e2e8f0; /* 선명하고 정갈한 연그레이 테두리선 */
}

.about_sec2_textbox {
    flex: 1;
}

.ceo_quote {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #111111;
    line-height: 1.4;
    margin: 0 0 30px 0;
    letter-spacing: -0.02em;
}

.ceo_quote .mobile_br {
    display: none;
}

.ceo_desc p {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 15px; /* 스크린샷 텍스트 크기 감안하여 15px로 정밀 축소 */
    color: #888888; /* 차분하고 정갈한 소프트 그레이 */
    line-height: 1.8;
    margin: 0 0 24px 0;
    letter-spacing: -0.01em;
}

.ceo_desc p:last-child {
    margin-bottom: 0;
}

/* 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .about_section2 {
        padding: 80px 0;
    }
    
    .about_sec2_title {
        font-size: 28px;
        margin-bottom: 35px;
    }
    
    .about_sec2_grid {
        gap: 40px;
    }
    
    .about_sec2_imgbox {
        flex: 0 0 460px;
        max-width: 460px;
    }
    
    .ceo_quote {
        font-size: 20px;
        margin-bottom: 22px;
    }
    
    .ceo_desc p {
        font-size: 14.5px;
        margin-bottom: 18px;
    }
}

/* 모바일 (767px 이하) */
@media (max-width: 767px) {
    .about_section2 {
        padding: 60px 0;
    }
    
    .about_sec2_title {
        font-size: 24px;
        margin-bottom: 25px;
    }
    
    .about_sec2_grid {
        flex-direction: column;
        gap: 30px;
    }
    
    .about_sec2_imgbox {
        flex: none; /* 데스크탑의 570px 고정 flex 상속 해제 */
        width: 100%;
        max-width: 570px; /* 원본 폭을 넘지 않도록 안전 마진 지정 */
        display: block;
    }
    
    .ceo_img {
        max-width: 100%;
        border-radius: 12px;
    }
    
    .about_sec2_textbox {
        width: 100%;
    }
    
    .ceo_quote {
        font-size: 19px;
        margin-bottom: 20px;
        line-height: 1.4;
    }
    
    .ceo_quote .mobile_br {
        display: block;
    }
    
    .ceo_desc p {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 20px;
    }
}

/* ========================================
   About Page - Section 3 (비전 배너)
   ======================================== */
.about_section3 {
    position: relative;
    width: 100%;
    padding: 120px 0;
    background-image: url('../images/about/section02_bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.about_section3_container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

.about_section3_content {
    color: #FFFFFF;
}

.about_sec3_title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 38px;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.45;
    margin: 0 0 30px 0;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.about_sec3_subtitle {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 18px;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 1.8;
    margin: 0;
    letter-spacing: -0.01em;
    opacity: 0.95;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 개행 제어용 클래스 */
.about_section3 .br_mo {
    display: none;
}
.about_section3 .br_pc_mo {
    display: block;
}

/* 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .about_section3 {
        padding: 100px 0;
    }
    
    .about_sec3_title {
        font-size: 32px;
        margin-bottom: 25px;
    }
    
    .about_sec3_subtitle {
        font-size: 16.5px;
    }
}

/* 모바일 (767px 이하) */
@media (max-width: 767px) {
    .about_section3 {
        padding: 85px 0;
    }
    
    .about_sec3_title {
        font-size: 26px;
        margin-bottom: 20px;
        line-height: 1.4;
    }
    
    .about_sec3_subtitle {
        font-size: 15px;
        line-height: 1.7;
    }
    
    /* 모바일 개행 제어 */
    .about_section3 .br_mo {
        display: block;
    }
    .about_section3 .br_pc_mo {
        display: block;
    }
}

/* ========================================
   About Page - Section 4 (오시는 길)
   ======================================== */
.about_section4 {
    padding: 100px 0 120px 0;
    background: #FFFFFF;
}

.about_section4_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about_sec4_title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: #222222;
    margin: 0 0 50px 0;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.about_sec4_title .brand_color {
    color: #2F3389;
}

.about_sec4_grid {
    display: flex;
    gap: 60px;
    align-items: center;
    justify-content: center;
}

.about_sec4_infobox {
    flex: 1 1 0;
    max-width: 570px;
    min-width: 0;
    height: 375px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
}

.info_group {
    margin-bottom: 45px;
}

.info_group:last-child {
    margin-bottom: 0;
}

.info_label {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #222222;
    margin: 0 0 15px 0;
    padding: 0;
    letter-spacing: -0.01em;
}

.info_value {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 15px;
    color: #888888; /* 소프트한 연그레이 문자 색상 */
    line-height: 1.75;
    margin: 0;
    padding: 0;
    letter-spacing: -0.01em;
    word-break: keep-all;
}

.info_subvalue {
    display: block;
    color: #888888;
}

.about_sec4_mapbox {
    flex: 1 1 0;
    max-width: 570px;
    min-width: 0;
}

.map_canvas {
    width: 100%;
    height: 385px;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.02);
    overflow: hidden;
}

/* 네이버 지도 커스텀 마커 스타일 */
.map_custom_marker {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.marker_pin_svg {
    width: 36px;
    height: 44px;
    display: block;
}

.marker_label {
    margin-top: 6px;
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #111111;
    white-space: nowrap;
    text-shadow: -2px -2px 0 #FFF, 2px -2px 0 #FFF, -2px 2px 0 #FFF, 2px 2px 0 #FFF, 0 -2px 0 #FFF, 0 2px 0 #FFF, -2px 0 0 #FFF, 2px 0 0 #FFF;
}

/* 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .about_section4 {
        padding: 80px 0;
    }
    
    .about_sec4_title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .about_sec4_grid {
        gap: 40px;
        align-items: flex-start;
    }

    .about_sec4_infobox {
        flex: none;
        max-width: none;
        height: auto;
        display: block;
        background: transparent;
        border: none;
        border-radius: 0;
        padding: 0;
        text-align: left;
    }
    
    .about_sec4_mapbox {
        flex: 0 0 450px;
        max-width: 450px;
    }
    
    .map_canvas {
        height: 350px;
    }
    
    .info_group {
        margin-bottom: 35px;
    }
}

/* 모바일 (767px 이하) */
@media (max-width: 767px) {
    .about_section4 {
        padding: 60px 0 80px 0;
    }
    
    .about_sec4_title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    .about_sec4_grid {
        flex-direction: column;
        gap: 35px;
        align-items: stretch;
    }
    
    .about_sec4_infobox {
        flex: none;
        width: 100%;
        max-width: 100%;
        height: auto;
        display: block;
        background: transparent;
        border: none;
        border-radius: 0;
        padding: 0;
        text-align: left;
    }
    
    .about_sec4_mapbox {
        flex: none;
        width: 100%;
        max-width: 100%;
    }
    
    .map_canvas {
        height: 220px;
        border-radius: 16px;
    }
    
    .info_group {
        margin-bottom: 30px;
    }
    
    .info_label {
        font-size: 18px;
        margin-bottom: 10px;
    }
}