/* 기본 리셋 및 변수 설정 */
:root {
    --primary-color: #7DD3FC;
    --primary-dark: #38BDF8;
    --secondary-color: #0EA5E9;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f0f9ff;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* 상단 연락처 바 */
.top-contact-bar {
    position: fixed;
    top: -50px;
    left: 0;
    right: 0;
    background: #000000;
    z-index: 1001;
    transition: all 0.4s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.top-contact-bar.visible {
    top: 0;
}

.top-contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    padding: 0.75rem 0;
}

.top-contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #ffffff;
    font-weight: 600;
    font-size: 1rem;
}

.top-contact-item i {
    font-size: 1.1rem;
    color: #ffffff;
}

.top-contact-item a {
    color: #ffffff;
    text-decoration: none;
    transition: var(--transition);
}

.top-contact-item a:hover {
    color: #f0f9ff;
    text-decoration: underline;
}

/* 헤더 위치 조정 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all 0.4s ease;
}

.header.with-top-bar {
    top: 50px;
}

/* 스크롤 시 헤더 스타일 */
.header.scrolled {
    background: linear-gradient(135deg, rgba(125, 211, 252, 0.95) 0%, rgba(56, 189, 248, 0.95) 100%);
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 20px rgba(125, 211, 252, 0.4);
}

.header.scrolled .nav-link {
    color: #ffffff;
}

.header.scrolled .nav-link:hover {
    color: #f0f9ff;
}

.header.scrolled .blog-link {
    background: transparent;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.header.scrolled .blog-link:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.header.scrolled .mobile-menu-toggle i {
    color: #ffffff;
}

.header.scrolled .blog-link-mobile {
    background: transparent;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.67rem 0;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-image {
    height: 107px;
    width: auto;
    transition: var(--transition);
}

.logo:hover .logo-image {
    transform: scale(1.05);
}

.logo i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #7DD3FC 0%, #38BDF8 50%, #0EA5E9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 3px 6px rgba(125, 211, 252, 0.4));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        filter: drop-shadow(0 3px 6px rgba(125, 211, 252, 0.4));
    }
    50% {
        filter: drop-shadow(0 3px 10px rgba(125, 211, 252, 0.6));
    }
}

.logo span {
    background: linear-gradient(135deg, #7DD3FC 0%, #38BDF8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    text-transform: uppercase;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-link:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.blog-link {
    background: transparent;
    color: var(--text-dark) !important;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border-bottom: none !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.blog-link:hover {
    background: rgba(125, 211, 252, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 모바일 블로그 버튼 (항상 표시) */
.blog-link-mobile {
    display: none;
    background: transparent;
    color: var(--text-dark);
    padding: 0.6rem 1rem;
    border-radius: 20px;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.blog-link-mobile:hover {
    background: rgba(125, 211, 252, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
}

/* 히어로 섹션 */
.hero {
    position: relative;
    background: url('../images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 160px 0 100px;
    margin-top: 70px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    opacity: 0;
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    animation: fadeInUp 1s ease;
    line-height: 1.2;
    color: #ffffff;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.6), 0 2px 4px rgba(0, 0, 0, 0.4);
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s;
    animation-fill-mode: both;
    color: #ffffff;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.6), 0 2px 4px rgba(0, 0, 0, 0.4);
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.4s;
    animation-fill-mode: both;
    line-height: 1.8;
    color: #ffffff;
    text-shadow: 0 3px 8px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-features {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s;
    animation-fill-mode: both;
    margin-top: 1rem;
}

.hero-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.2rem;
    background: rgba(125, 211, 252, 0.85);
    padding: 0.375rem 1rem;
    border-radius: 6px;
    backdrop-filter: blur(15px);
    border: none;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    min-width: 100px;
}

.hero-feature:hover {
    background: rgba(56, 189, 248, 0.95);
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
}

.hero-feature i {
    font-size: 0.75rem;
    color: #1f2937;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-feature strong {
    display: block;
    font-size: 0.65rem;
    margin-bottom: 0;
    color: #1f2937;
    font-weight: 700;
}

.hero-feature p {
    font-size: 0.6rem;
    margin: 0;
    opacity: 1;
    color: #374151;
    font-weight: 600;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 버튼 스타일 */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-full {
    width: 100%;
}

/* 섹션 공통 스타일 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* 회사 소개 섹션 */
.about {
    background-color: var(--bg-white);
}

.company-intro {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 2rem;
}

.intro-text h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.intro-text p {
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.intro-list {
    list-style: none;
    margin-top: 2rem;
}

.intro-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1.05rem;
    font-weight: 500;
}

.intro-list i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: transparent;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    color: var(--text-dark);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.stat-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1;
    color: var(--primary-color);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.85;
    font-weight: 500;
    color: var(--text-dark);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.about-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.about-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    color: white;
    font-size: 2rem;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.about-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 서비스 섹션 */
.services {
    background-color: transparent;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 0;
    transition: var(--transition);
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    padding: 0 2rem;
    margin-top: 1.5rem;
}

.service-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    padding: 0 2rem;
}

.service-features {
    list-style: none;
    padding: 0 2rem 2rem;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.service-features i {
    color: var(--secondary-color);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

/* 고객 후기 섹션 */
.testimonials {
    background-color: var(--bg-white);
    padding: 80px 0;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 16px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.testimonial-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    margin-bottom: 1.5rem;
}

.testimonial-rating i {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-right: 0.25rem;
}

.testimonial-text {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    font-style: italic;
}

.testimonial-author {
    padding-top: 1rem;
    border-top: 2px solid var(--border-color);
}

.testimonial-author strong {
    display: block;
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 견적 문의 섹션 */
.quote {
    background: transparent;
}

.quote-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
}

.quote-info h3 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.quote-benefits {
    list-style: none;
}

.quote-benefits li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
    background: transparent;
    padding: 1rem;
    border-radius: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.quote-benefits li:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.quote-benefits i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.quote-benefits strong {
    display: block;
    font-size: 1.125rem;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.quote-benefits p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 폼 스타일 */
.quote-form-wrapper {
    position: relative;
}

.contact-buttons {
    background-color: transparent;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.contact-buttons h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-description {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    margin-bottom: 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.phone-btn {
    background: transparent;
    color: var(--primary-color);
}

.phone-btn:hover {
    background: rgba(56, 189, 248, 0.1);
}

.kakao-btn {
    background: transparent;
    color: #3c1e1e;
}

.kakao-btn:hover {
    background: rgba(254, 229, 0, 0.1);
}

.blog-btn {
    background: #03C75A;
    color: white;
}

.blog-btn:hover {
    background: #02b350;
}

.btn-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: rgba(56, 189, 248, 0.1);
    border-radius: 12px;
    flex-shrink: 0;
}

.phone-btn .btn-icon {
    color: var(--primary-color);
    background: rgba(56, 189, 248, 0.1);
}

.kakao-btn .btn-icon {
    background: rgba(254, 229, 0, 0.2);
    color: #3c1e1e;
}

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

.btn-content strong {
    display: block;
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
}

.btn-content span {
    font-size: 1.1rem;
    opacity: 0.95;
}

.contact-info-box {
    margin-top: 2.5rem;
    padding: 1.5rem;
    background: transparent;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.contact-info-box:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-info-box p {
    margin: 0.5rem 0;
    color: var(--text-dark);
    font-size: 1rem;
}

.contact-info-box p:first-child {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-info-box i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.quote-form {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.form-group textarea {
    resize: vertical;
}

.form-success {
    display: none;
    text-align: center;
    padding: 3rem;
    background-color: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.form-success.active {
    display: block;
}

.form-success i {
    font-size: 4rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.form-success h3 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.form-success p {
    color: var(--text-light);
    font-size: 1.125rem;
}

/* 연락처 섹션 */
.contact {
    background-color: var(--bg-white);
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: transparent;
    color: var(--text-dark);
    padding: 0.625rem 0.5rem;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-icon {
    width: 18px;
    height: 18px;
    margin: 0 auto 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    font-size: 0.5rem;
    color: white;
}

.contact-card h3 {
    font-size: 0.675rem;
    margin-bottom: 0.25rem;
    font-weight: 700;
    color: var(--text-dark);
}

.contact-card p {
    font-size: 0.675rem;
    margin-bottom: 0.125rem;
    color: var(--text-dark);
    font-weight: 600;
}

.contact-time {
    font-size: 0.5rem;
    opacity: 0.8;
    color: var(--text-light);
}

/* 푸터 */
.footer {
    position: relative;
    background: url('../images/footer-background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 0.75rem 0 0.375rem;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.15);
    z-index: 1;
}

.footer > * {
    position: relative;
    z-index: 2;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.footer-logo i {
    font-size: 1rem;
    color: var(--primary-color);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.4;
    font-size: 0.7rem;
}

.footer-section h4 {
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.2rem;
    word-break: break-all;
    line-height: 1.5;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.7rem;
    word-break: break-all;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section ul li i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.7rem;
}

.business-info {
    margin-bottom: 0.375rem;
    padding-bottom: 0.375rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}

.business-info p {
    color: #000000;
    font-size: 0.65rem;
    line-height: 1.4;
    margin: 0.5rem 0;
    text-shadow: 0 0 3px rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

.business-info strong {
    color: #000000;
    font-weight: 700;
    text-shadow: 0 0 3px rgba(255, 255, 255, 0.8);
}

.copyright {
    color: #000000;
    font-size: 0.9rem;
    font-weight: 600;
    text-shadow: 0 0 3px rgba(255, 255, 255, 0.8);
}

.footer-bottom p {
    color: #000000;
    font-weight: 600;
    text-shadow: 0 0 3px rgba(255, 255, 255, 0.8);
}

/* 스크롤 투 탑 버튼 */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    /* 상단 연락처 바 모바일 */
    .top-contact-content {
        gap: 1.5rem;
        padding: 0.6rem 0;
    }
    
    .top-contact-item {
        font-size: 0.85rem;
        gap: 0.3rem;
    }
    
    .top-contact-item i {
        font-size: 0.9rem;
    }

    /* 모바일 블로그 버튼 항상 표시 */
    .blog-link-mobile {
        display: flex;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }

    .header-content {
        gap: 0.5rem;
        position: relative;
    }

    /* 네비게이션 */
    .mobile-menu-toggle {
        display: block;
    }

    .logo-image {
        height: 80px;
    }

    .logo-contact {
        font-size: 0.75rem;
        gap: 0.5rem;
        flex-direction: column;
    }

    .blog-link {
        padding: 0.75rem 1rem;
        justify-content: center;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav.active {
        max-height: 400px;
    }

    .nav-list {
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: 1rem 20px;
        border-bottom: 1px solid var(--border-color);
    }

    /* 히어로 */
    .hero {
        padding: 120px 0 80px;
        background-attachment: scroll;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-feature {
        width: 100%;
    }

    /* 회사 소개 */
    .company-intro {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    /* 섹션 */
    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    /* 견적 문의 */
    .quote-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .quote-form {
        padding: 1.5rem;
    }

    .contact-buttons {
        padding: 2rem 1.5rem;
    }

    .contact-buttons h3 {
        font-size: 1.5rem;
    }

    .contact-btn {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

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

    .btn-content strong {
        font-size: 1.1rem;
    }

    .btn-content span {
        font-size: 1rem;
    }

    /* 푸터 모바일 */
    .footer-content {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        gap: 0.5rem;
        margin-bottom: 0.5rem;
    }

    .footer-section {
        flex: 1;
        min-width: 0;
        overflow-wrap: break-word;
        word-wrap: break-word;
    }

    .footer-section h4 {
        font-size: 0.7rem;
        margin-bottom: 0.25rem;
    }

    .footer-section ul li {
        margin-bottom: 0.15rem;
    }

    .footer-section ul li a,
    .footer-section ul li {
        font-size: 0.6rem;
    }

    .footer-section p {
        font-size: 0.6rem;
        line-height: 1.3;
    }

    .footer-logo {
        font-size: 0.7rem;
    }

    .footer-logo i {
        font-size: 0.8rem;
    }

    /* 사업자 정보 모바일 */
    .business-info p {
        color: #000000 !important;
        font-weight: 600;
        text-shadow: 0 0 3px rgba(255, 255, 255, 0.8);
    }

    .business-info strong {
        color: #000000 !important;
        font-weight: 700;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1.35rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .services-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .intro-stats {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 2rem 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .business-info p {
        font-size: 0.8rem;
        line-height: 1.6;
    }
}