/* 색상 변수 정의 */
:root {
    --primary-color: #00c89f;
    --secondary-color: #007bff;
    --dark-text: #212529;
    --light-text: #495057;
    --background: #ffffff;
    --card-bg: #f8f9fa;
    --border-color: #e9ecef;
    --table-header-bg: #f7fafc;
    --table-row-bg: #ffffff;
    --table-row-alt-bg: #f5f7f9;
    --btn-hover: #00b28a;
}

/* 공통 버튼 스타일 */
/* 버튼에 기본적으로 사용할 reset 스타일을 정의합니다. 이 클래스를 a 태그나 button 태그에 함께 지정하면 깔끔한 버튼 UI를 얻을 수 있습니다. */
.btn {
    display: inline-block;
    padding: 0.75rem 1.8rem;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
    text-align: center;
    line-height: 1.2;
    text-decoration: none;
}

/* 기본 프라이머리 버튼 – 배경에 메인 색상을 채우고 텍스트를 흰색으로 표시합니다. */
.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}
.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--btn-hover);
    color: #fff;
    border-color: var(--btn-hover);
}

/* 기본 세컨더리 버튼 – 투명 배경과 테두리 스타일로 제작되며, 호버 시 색상이 반전됩니다. */
.btn-secondary {
    background-color: #fff;
    color: var(--primary-color);
    border-color: var(--primary-color);
}
.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* 모바일 전용 줄바꿈을 위한 클래스를 정의합니다. 모바일(600px 이하)에서는 block 요소로 표시되어 줄바꿈을 일으키고, 그 외에는 숨겨집니다.  */
.mobile-br {
    display: none;
}
@media (max-width: 600px) {
    .mobile-br {
        display: block;
    }
}

/* 옵션 2: 연락처 리스트형 디자인을 위한 기본 스타일입니다. 필요하다면 company-details 대신 사용할 수 있습니다. */
.contact-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 1rem;
}
.contact-list .contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: box-shadow 0.3s;
}
.contact-list .contact-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.contact-list .contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}
.contact-list .contact-item strong {
    display: block;
    margin-bottom: 0.1rem;
    font-weight: 700;
    color: var(--dark-text);
}
.contact-list .contact-item a {
    color: var(--primary-color);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
}
.contact-list .contact-item a:hover {
    color: var(--btn-hover);
}

/* 기본 스타일 */
body {
    margin: 0;
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--background);
    color: var(--dark-text);
    line-height: 1.6;
    scroll-behavior: smooth;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--btn-hover);
}

/* 네비게이션 바 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

.navbar .logo {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
}

.navbar .nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar .nav-links a {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-text);
    transition: color 0.3s;
}

.navbar .nav-links a.active {
    color: var(--primary-color);
    font-weight: 700;
}

/* 햄버거 메뉴 버튼 */
.navbar .hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    outline: none;
    flex-shrink: 0;
}

.navbar .hamburger span {
    display: block;
    width: 27px;
    height: 4px;
    margin: 5px 0;
    background: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s;
}

/* 모바일 햄버거 메뉴 */
@media (max-width: 900px) {
    .navbar {
        flex-direction: row;
        padding: 0.8rem 1rem;
    }
    .navbar .logo {
        font-size: 1.3rem;
    }
    .navbar .nav-links {
        position: absolute;
        top: 64px;
        right: 0;
        background: #fff;
        flex-direction: column;
        gap: 0;
        box-shadow: 0 4px 20px rgba(0,0,0,0.07);
        width: 210px;
        border-radius: 0 0 0 12px;
        overflow: hidden;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-16px);
        transition: opacity 0.25s, transform 0.25s;
    }
    .navbar .nav-links.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
    .navbar .nav-links li {
        width: 100%;
        margin: 0;
    }
    .navbar .nav-links a {
        display: block;
        width: 100%;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
        color: var(--dark-text);
        background: #fff;
        font-size: 1rem;
    }
    .navbar .nav-links a:last-child {
        border-bottom: none;
    }
    .navbar .hamburger {
        display: block;
        margin-left: 1.2rem;
    }
}

/* 히어로 섹션 */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 140px 2rem 80px;
    background-color: var(--background);
    min-height: 480px;
}

.hero-content {
    flex: 1 1 45%;
    max-width: 550px;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-content h1 {
    font-size: 2.6rem;
    margin-bottom: 1rem;
    color: var(--dark-text);
    line-height: 1.3;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.07);
    word-break: keep-all;
}

.hero-content h1 span {
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--light-text);
    word-break: keep-all;
}

/* 히어로 버튼 크기 및 배치 조정 */
.hero-content .hero-btn {
    width: fit-content;
    max-width: 260px;
    padding: 0.75rem 1.8rem;
    font-size: 1rem;
    margin-bottom: 2.5rem;
    align-self: flex-start;
}

@media (max-width: 900px) {
    .hero-content .hero-btn {
        align-self: center;
    }
}

.hero-image {
    flex: 1 1 55%;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

/* 모바일 히어로 */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 1rem 40px;
        min-height: unset;
    }
    .hero-content, .hero-image {
        flex: 1 1 100%;
        max-width: 100%;
        justify-content: center;
        align-items: center;
        display: flex;
        flex-direction: column;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-content p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    .hero-image {
        margin-top: 1.5rem;
    }
    .hero-image img {
        margin: 0 auto;
    }
}

/* 사진 아래로 이동(모바일) */
@media (max-width: 600px) {
    .hero-content {
        order: 2;
    }
    .hero-image {
        order: 1;
    }
}

/* 프로모션 배너 */
.promo-banner {
    position: relative;
    background-image: url('../assets/generated_tech.png');
    background-size: cover;
    background-position: center;
    padding: 100px 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    overflow: hidden;
    min-height: 260px;
}

.promo-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 0;
}

.promo-banner .banner-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.promo-banner .banner-lead {
    font-size: 1.6rem;
    font-weight: 500;
    margin-bottom: 1.2rem;
    line-height: 1.4;
}

.promo-banner .btn-secondary {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: #fff;
}

.promo-banner .btn-secondary:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* 모바일 전용 줄바꿈 */
.mobile-break {
    display: none;
}
@media (max-width: 600px) {
    .mobile-break {
        display: block;
    }
}

/* 섹션 공통 스타일 */
.section {
    padding: 80px 2rem;
}

.section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.8rem;
    color: var(--dark-text);
}

/* 추천 대상 섹션 */
.about-section {
    background-color: #f5f7f9;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.about-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border-left: 6px solid var(--primary-color);
    padding: 1.5rem 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.about-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.8rem;
    font-size: 1.05rem;
    color: var(--light-text);
}

.about-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

/* 카드 레이아웃 */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    justify-content: center;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    min-height: 240px;
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.4rem;
}

.card ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.card ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.6rem;
    color: var(--light-text);
    font-size: 1rem;
}

.card ul li::before {
    content: '\2714';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-color);
    font-size: 1rem;
    line-height: 1;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

/* 모바일 카드 섹션 반응형 */
@media (max-width: 900px) {
    .cards {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    .card {
        min-height: unset;
    }
}

/* 이미지 그리드 */
.images-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.images-grid img {
    border-radius: 10px;
    max-width: 320px;
    width: 100%;
    height: auto;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.images-grid img:hover {
    transform: translateY(-5px);
}

/* 상담 섹션 */
.contact-section .contact-desc {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 1.5rem;
    color: var(--light-text);
}

.cta-banner {
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    margin: 2rem auto;
    max-width: 800px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.cta-banner h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.6rem;
    font-weight: 700;
}

.cta-banner p {
    margin-bottom: 1.2rem;
    font-size: 1rem;
    line-height: 1.4;
}

.cta-banner .btn-primary {
    background-color: #fff;
    color: var(--primary-color);
    border: 2px solid #fff;
}

.cta-banner .btn-primary:hover,
.cta-banner .btn-primary:focus {
    background-color: var(--primary-color);
    color: #fff;
    border: 2px solid #fff;
}

/* 회사 정보 카드 */
.company-info {
    max-width: 900px;
    margin: 2.5rem auto 0;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 2rem 1.5rem 1.5rem;
}

.company-info .info-title {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 1.5rem;
    text-align: center;
    font-weight: 700;
}

.company-details, .address-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 700px) {
    .company-details, .address-info {
        grid-template-columns: 1fr;
    }
}

.detail-card, .address-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: box-shadow 0.3s;
}

.detail-card:hover, .address-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.icon-wrapper {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.detail-content strong {
    display: block;
    margin-bottom: 0.2rem;
    color: var(--dark-text);
    font-weight: 700;
}

.detail-content a {
    color: var(--primary-color);
    font-size: 0.95rem;
    display: inline-block;
    margin-top: 0.1rem;
    text-decoration: none;
    font-weight: 600;
}

.detail-content a:hover {
    color: var(--btn-hover);
}

.detail-content p {
    font-size: 0.95rem;
    margin: 0;
    color: var(--light-text);
}

/* 각 연락 카드 색상 */
.detail-card.phone .icon-wrapper {
    background: #25d366;
    color: #fff;
}

.detail-card.email .icon-wrapper {
    background: #ffffff;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.detail-card.kakao .icon-wrapper {
    background: #ffe812;
    color: #3c1e1e;
}

.detail-card.telegram .icon-wrapper {
    background: #0088cc;
    color: #fff;
}

.address-item .icon-wrapper {
    background: #e9ecef;
    color: var(--primary-color);
}

/* 플로팅 아이콘 Font Awesome */
.floating-icons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.floating-icons .floating-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.18);
    background: #fff;
    border: none;
    transition: transform 0.3s, box-shadow 0.3s;
    font-size: 1.7rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0;
}

.floating-btn.kakao {
    background: #ffe812 !important;
    color: #3c1e1e !important;
}
.floating-btn.telegram {
    background: #0088cc !important;
    color: #fff !important;
}
.floating-btn.phone {
    background: #25d366 !important;
    color: #fff !important;
}
.floating-btn.email {
    background: #fff !important;
    color: #00c89f !important;
    border: 1px solid #e9ecef;
}

.floating-icons .floating-btn:hover {
    transform: scale(1.13);
    box-shadow: 0 6px 18px rgba(0,0,0,0.22);
}

@media (max-width: 600px) {
    .floating-icons {
        right: 50%;
        transform: translateX(50%);
        bottom: 10px;
        flex-direction: row;
    }
    .floating-icons .floating-btn {
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
    }
}

/* 푸터 */
footer {
    background-color: #f8f9fa;
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    color: var(--light-text);
    font-size: 0.9rem;
}