/* 기본 스타일 초기화 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans KR', 'Nanum Gothic', sans-serif;
    line-height: 1.7;
    color: #333333;
    background-color: #ffffff;
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 링크 스타일 */
a {
    text-decoration: none;
    color: #2563eb;
    transition: color 0.3s ease;
}

a:hover {
    color: #1d4ed8;
}

/* 제목 스타일 */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Nanum Gothic', 'Noto Sans KR', sans-serif;
    color: #1f2937;
    margin-bottom: 1.2rem;
    line-height: 1.3;
    font-weight: 700;
}

h1 { font-size: 2.8rem; font-weight: 800; }
h2 { 
    font-size: 2.4rem; 
    margin-bottom: 1rem; 
    text-align: center; 
    color: #1f2937;
    font-weight: 800;
}
h3 { font-size: 1.6rem; color: #374151; }
h4 { font-size: 1.2rem; color: #4b5563; }

/* 섹션 스타일 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: linear-gradient(45deg, #2563eb, #3b82f6);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.section-subtitle {
    font-size: 1.15rem;
    color: #6b7280;
    margin-top: 1rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* 버튼 스타일 */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 700;
    text-transform: uppercase;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    letter-spacing: 0.8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: #ffffff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background-color: #2563eb;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.2);
}

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

.btn-danger {
    background: linear-gradient(45deg, #ef4444, #dc2626);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(45deg, #dc2626, #b91c1c);
}

/* 헤더 스타일 */
header {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    transition: transform 0.3s ease-in-out;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.9rem;
    font-weight: 800;
    color: #2563eb;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: transform 0.3s ease;
}

.logo:hover {
    color: #1d4ed8;
    transform: scale(1.05);
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    color: #374151;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active-link {
    color: #ffffff;
    background-color: #2563eb;
}

/* 모바일 메뉴 토글 버튼 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    position: relative;
    margin-right: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: #2563eb;
    margin: 6px 0;
    transition: all 0.3s ease-in-out;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 드롭다운 메뉴 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    min-width: 200px;
    z-index: 1000;
    margin-top: 5px;
    border: 1px solid #e5e7eb;
    overflow: hidden;
}

.dropdown-menu li {
    list-style: none;
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: #374151;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-bottom: 1px solid #f3f4f6;
}

.dropdown-menu li:last-child a {
    border-bottom: none;
}

.dropdown-menu a:hover,
.dropdown-menu a.active {
    background: #f0f9ff;
    color: #2563eb;
    padding-left: 25px;
}

.dropdown:hover .dropdown-menu {
    display: block;
    animation: dropdownFade 0.3s ease;
}

@keyframes dropdownFade {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero 섹션 */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 0 60px;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="pattern" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%232563eb" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23pattern)"/></svg>');
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(59, 130, 246, 0.02));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(45deg, #2563eb, #3b82f6);
    color: white;
    padding: 10px 25px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.hero-highlight {
    background: linear-gradient(45deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.3rem;
    color: #4b5563;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.hero-feature {
    background: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(37, 99, 235, 0.2);
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 40px;
    background: rgba(255, 255, 255, 0.9);
    padding: 20px 40px;
    border-radius: 60px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #2563eb;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: #6b7280;
    font-weight: 500;
}

/* 콘텐츠 섹션 공통 스타일 */
.content-section {
    padding: 80px 0;
}

.content-section.dark-bg {
    background-color: #f8fafc;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

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

.text-primary {
    color: #2563eb;
}

/* 회사소개 섹션 */
.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.intro-text h3 {
    color: #2563eb;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.intro-text p {
    font-size: 1.1rem;
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.intro-text strong {
    color: #1f2937;
    font-weight: 700;
}

.intro-list {
    list-style: none;
    padding: 0;
    margin-top: 2rem;
}

.intro-list li {
    padding: 12px 0;
    color: #4b5563;
    position: relative;
    padding-left: 30px;
    font-size: 1.05rem;
    border-bottom: 1px solid #f3f4f6;
}

.intro-list li:last-child {
    border-bottom: none;
}

.intro-list li:before {
    content: "✓";
    color: #10b981;
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
}

.intro-list strong {
    color: #2563eb;
}

.intro-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.intro-image img {
    width: 100%;
    height: auto;
    display: block;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 30px;
    color: white;
}

.overlay-text {
    font-size: 1.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 신뢰도 섹션 */
.trust-section {
    margin-top: 60px;
}

.trust-section h3 {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #1f2937;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.trust-item {
    text-align: center;
    padding: 40px 30px;
    background: #ffffff;
    border-radius: 15px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.trust-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.trust-item:hover::before {
    transform: scaleX(1);
}

.trust-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.1);
    border-color: #2563eb;
}

.trust-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.trust-number {
    font-size: 3rem;
    font-weight: 800;
    color: #2563eb;
    margin-bottom: 0.5rem;
    display: block;
}

.trust-label {
    font-size: 1.1rem;
    color: #374151;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.trust-desc {
    font-size: 0.9rem;
    color: #6b7280;
    line-height: 1.6;
}

/* 솔루션 카드 */
.solutions-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.solution-card {
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    position: relative;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15);
    border-color: #2563eb;
}

.solution-card.featured {
    border: 2px solid #2563eb;
    transform: scale(1.02);
}

.solution-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(45deg, #ef4444, #dc2626);
    color: #ffffff;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
    animation: pulse 2s infinite;
}

.solution-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.solution-card:hover img {
    transform: scale(1.05);
}

.solution-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.solution-card h3 {
    font-size: 1.5rem;
    color: #2563eb;
    margin-bottom: 0.8rem;
}

.solution-card p {
    font-size: 0.95rem;
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.solution-features span {
    background: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    border: 1px solid rgba(37, 99, 235, 0.2);
    font-weight: 600;
}

/* 포트폴리오 섹션 */
.sample-groups {
    margin-top: 3rem;
}

.sample-group {
    margin-bottom: 3rem;
    background: #ffffff;
    border-radius: 15px;
    padding: 30px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.sample-group.featured {
    border: 2px solid #2563eb;
    background: linear-gradient(135deg, #ffffff, #f0f9ff);
}

.group-header {
    text-align: center;
    margin-bottom: 2rem;
}

.group-header h3 {
    color: #2563eb;
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
}

.group-header p {
    color: #6b7280;
    font-size: 1rem;
}

.sample-items {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.sample-items.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.sample-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #f8fafc;
    padding: 25px;
    border-radius: 12px;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
    text-decoration: none;
    min-width: 180px;
    text-align: center;
}

.sample-card:hover {
    transform: translateY(-5px);
    border-color: #2563eb;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.15);
    background: #ffffff;
}

.sample-card.admin-card {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-color: #60a5fa;
}

.sample-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
    display: block;
}

.sample-number {
    font-size: 2rem;
    font-weight: 800;
    color: #2563eb;
    margin-bottom: 0.5rem;
    display: block;
}

.sample-name {
    font-weight: 700;
    color: #1f2937;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    display: block;
}

.sample-desc {
    font-size: 0.85rem;
    color: #6b7280;
    display: block;
}

.sample-category {
    margin-bottom: 2rem;
}

.sample-category h4 {
    color: #374151;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-align: center;
}

.sample-sub-items {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.sample-card.mini {
    background: #fef3c7;
    border-color: #fbbf24;
}

.sample-card.casino {
    background: #ddd6fe;
    border-color: #a78bfa;
}

.demo-cta {
    text-align: center;
    margin-top: 3rem;
    padding: 30px;
    background: #f0f9ff;
    border-radius: 15px;
    border: 1px solid #bae6fd;
}

.demo-cta p {
    font-size: 1.2rem;
    color: #1e40af;
    margin-bottom: 1.5rem;
}

/* 특징 섹션 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.feature-item {
    background: #ffffff;
    padding: 35px;
    border-radius: 15px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, #2563eb, #3b82f6);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.feature-item:hover::before {
    transform: scaleY(1);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-item h3 {
    color: #2563eb;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.feature-item p {
    font-size: 1rem;
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 8px 0;
    color: #4b5563;
    position: relative;
    padding-left: 25px;
    font-size: 0.95rem;
}

.feature-list li:before {
    content: "→";
    color: #2563eb;
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* 블로그 그리드 */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 2rem;
}

.blog-post {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.blog-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
    border-color: #2563eb;
}

.blog-post-link {
    text-decoration: none;
    display: block;
}

.blog-post-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.blog-post-content {
    padding: 25px;
}

.post-category-badge {
    background: linear-gradient(45deg, #2563eb, #3b82f6);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 0.8rem;
}

.blog-post h3 {
    color: #1f2937;
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.post-meta {
    font-size: 0.85rem;
    color: #6b7280;
    margin-bottom: 1rem;
}

.blog-post p {
    color: #4b5563;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.read-more {
    color: #2563eb;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    transition: transform 0.3s ease;
}

.blog-post:hover .read-more {
    transform: translateX(5px);
}

/* FAQ 섹션 */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 900px;
    margin: 2rem auto 0;
}

.faq-item {
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.1);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    background: #ffffff;
    color: #374151;
    font-size: 1.1rem;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #f8fafc;
}

.faq-question.active {
    background: #f0f9ff;
    color: #2563eb;
    border-bottom-color: #e0f2fe;
}

.faq-question .arrow-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
    color: #6b7280;
}

.faq-question.active .arrow-icon {
    transform: rotate(180deg);
    color: #2563eb;
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    background: #f8fafc;
}

.faq-answer.active {
    max-height: 300px;
    padding: 20px 25px;
}

.faq-answer p {
    color: #4b5563;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 상담문의 섹션 */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 3rem;
}

.contact-info-section h3,
.contact-form-section h3 {
    color: #2563eb;
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.contact-info-section p {
    color: #6b7280;
    margin-bottom: 2rem;
}

.contact-methods {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 3rem;
}

.contact-method {
    background: #ffffff;
    padding: 30px;
    border-radius: 15px;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.contact-method.primary {
    border-color: #2563eb;
    background: linear-gradient(135deg, #ffffff, #f0f9ff);
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
    border-color: #2563eb;
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.contact-method h4 {
    color: #2563eb;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-method p {
    color: #6b7280;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.contact-link {
    display: block;
    background: #f0f9ff;
    color: #2563eb;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    text-decoration: none;
    border: 1px solid #bae6fd;
    transition: all 0.3s ease;
    font-weight: 600;
    text-align: center;
}

.contact-link:hover {
    background: #dbeafe;
    transform: translateY(-2px);
}

.contact-time {
    color: #9ca3af;
    font-size: 0.85rem;
    display: block;
    text-align: center;
}

.consultation-benefits {
    background: #f8fafc;
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.consultation-benefits h4 {
    color: #2563eb;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.benefit {
    color: #374151;
    padding: 8px;
    background: #ffffff;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
    border: 1px solid #e5e7eb;
}

/* 폼 스타일 */
.contact-form {
    background: #ffffff;
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 1px solid #e5e7eb;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    color: #374151;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8fafc;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    background: #ffffff;
}

.form-checkbox {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
}

.form-checkbox label {
    color: #4b5563;
    font-size: 0.9rem;
    cursor: pointer;
}

.form-note {
    text-align: center;
    color: #6b7280;
    font-size: 0.85rem;
    margin-top: 1rem;
}

.emergency-support {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    margin-top: 3rem;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.3);
}

.emergency-support h4 {
    margin-bottom: 1rem;
    color: white;
    font-size: 1.3rem;
}

.emergency-support p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

/* 푸터 */
footer {
    background: #0d1117;
    color: #e5e7eb;
    padding: 60px 0 30px;
    border-top: 1px solid #30363d;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: #f0c419;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-logo-area .logo {
    color: #f0c419;
    display: inline-block;
    margin-bottom: 1rem;
}

.footer-logo-area p {
    font-size: 0.9rem;
    color: #9ca3af;
    margin-bottom: 1.5rem;
}

.footer-certifications {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cert {
    background: rgba(240, 196, 25, 0.1);
    color: #f0c419;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid rgba(240, 196, 25, 0.3);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #9ca3af;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #f0c419;
}

.footer-section strong {
    color: #e5e7eb;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #30363d;
}

.copyright {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.footer-notice {
    font-size: 0.85rem;
    color: #4b5563;
}

/* 팝업 스타일 */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.popup-content {
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    border: 3px solid #f0c419;
}

.popup-overlay[style*="flex"] .popup-content {
    transform: scale(1);
}

.popup-header {
    position: absolute;
    top: 15px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

#dontShowToday {
    font-size: 0.85rem;
    color: #6b7280;
    cursor: pointer;
    transition: color 0.3s ease;
}

#dontShowToday:hover {
    color: #2563eb;
    text-decoration: underline;
}

.popup-close {
    font-size: 1.8rem;
    font-weight: bold;
    color: #6b7280;
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.popup-close:hover {
    color: #ef4444;
    background: #fee2e2;
}

.popup-content h2 {
    color: #2563eb;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    margin-top: 1rem;
}

.popup-content p {
    font-size: 1.1rem;
    color: #4b5563;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.popup-btn {
    background: linear-gradient(45deg, #2563eb, #3b82f6);
    color: #ffffff;
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.popup-btn:hover {
    background: linear-gradient(45deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* 애니메이션 */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

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

.hover-lift {
    transition: all 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

/* ============================================== */
/* 반응형 디자인 - 모바일 최적화 */
/* ============================================== */

/* 992px - 태블릿 및 작은 노트북 */
@media (max-width: 992px) {
    /* 기본 설정 */
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .hero-title { font-size: 2.8rem; }
    .hero-description { font-size: 1.1rem; }
    
    /* 헤더 모바일 최적화 */
    header {
        padding: 0.8rem 0;
    }
    
    header .container {
        padding: 0 15px;
        position: relative;
    }
    
    /* 로고 크기 조정 */
    .logo {
        font-size: 1.4rem;
    }
    
    /* nav 요소 위치 조정 */
    nav {
        position: static;
        width: auto;
        display: flex;
        justify-content: flex-end;
        align-items: center;
    }
    
    /* 모바일 메뉴 토글 표시 - 매우 중요! */
    .mobile-menu-toggle { 
        display: block !important;
        position: relative;
        z-index: 1002;
        margin-left: auto;
    }
    
    /* 모바일 메뉴 완전 개선 */
    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        padding: 20px 0;
        box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        backdrop-filter: blur(10px);
        overflow-y: auto;
        z-index: 999;
        flex-direction: column;
    }
    
    .nav-links.active { 
        display: flex !important;
    }
    
    .nav-links li { 
        margin: 0;
        width: 100%;
        text-align: center;
    }
    
    .nav-links a {
        display: block;
        padding: 15px 20px;
        border-bottom: 1px solid #f3f4f6;
        width: 100%;
    }
    
    /* 드롭다운 모바일 수정 */
    .dropdown {
        width: 100%;
    }
    
    .dropdown .nav-link {
        position: relative;
        padding-right: 40px;
    }
    
    .dropdown .nav-link::after {
        content: '▼';
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 0.8rem;
        transition: transform 0.3s ease;
    }
    
    .dropdown.active .nav-link::after {
        transform: translateY(-50%) rotate(180deg);
    }
    
    /* 드롭다운 메뉴 모바일 스타일 */
    .dropdown-menu {
        position: static !important;
        display: none !important;
        box-shadow: none;
        background: #f8fafc;
        margin: 0;
        width: 100%;
        padding: 0;
        border: none;
        border-radius: 0;
    }
    
    .dropdown:hover .dropdown-menu {
        display: none !important;
    }
    
    .dropdown.active .dropdown-menu {
        display: block !important;
    }
    
    .dropdown-menu li {
        width: 100%;
    }
    
    .dropdown-menu a {
        padding-left: 40px;
        background: #f8fafc;
        border-bottom: 1px solid #e5e7eb;
    }
    
    /* 히어로 섹션 모바일 최적화 */
    .hero-content {
        padding: 0 20px;
        text-align: center;
    }
    
    .hero-section {
        min-height: auto;
        padding: 100px 20px 60px;
    }
    
    /* 버튼 모바일 크기 - 터치 친화적 */
    .btn {
        width: 100%;
        max-width: 300px;
        margin: 10px auto;
        min-height: 48px;
        padding: 12px 24px;
        font-size: 1rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* 히어로 버튼 정렬 */
    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 15px;
        width: 100%;
    }
    
    /* 그리드 레이아웃 조정 */
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .intro-image {
        order: -1;
        max-width: 100%;
        height: auto;
    }
    
    .hero-stats {
        position: relative;
        bottom: auto;
        transform: none;
        margin-top: 3rem;
        flex-wrap: wrap;
        gap: 20px;
        padding: 20px;
    }
    
    .stat-item {
        flex: 1 1 40%;
        min-width: 120px;
    }
    
    /* 솔루션 그리드 */
    .solutions-overview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    /* 폼 관련 */
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* 카드 간격 조정 */
    .features-grid,
    .trust-grid,
    .solutions-overview-grid {
        gap: 20px;
    }
    
    /* 텍스트 크기 최적화 */
    .hero-title { 
        font-size: 2.2rem; 
        line-height: 1.2;
    }
    
    .hero-description { 
        font-size: 1rem;
        padding: 0 10px;
    }
}

/* 768px - 모바일 디바이스 */
@media (max-width: 768px) {
    /* 제목 크기 */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }
    
    .hero-title { font-size: 2rem; }
    .hero-description { font-size: 0.95rem; }
    
    /* 헤더 높이 조정 */
    header {
        padding: 0.7rem 0;
    }
    
    /* 네비게이션 위치 조정 */
    .nav-links {
        top: 60px;
        height: calc(100vh - 60px);
    }
    
    /* 히어로 섹션 */
    .hero-section {
        padding: 80px 15px 60px;
    }
    
    .hero-buttons {
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .hero-feature {
        font-size: 0.9rem;
    }
    
    /* 통계 섹션 */
    .stat-item {
        flex: 1 1 100%;
        padding: 15px 10px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    /* 컨텐츠 섹션 */
    .content-section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 2.5rem;
    }
    
    .section-badge {
        font-size: 0.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* 그리드 1열로 변경 */
    .solutions-overview-grid,
    .features-grid,
    .blog-grid,
    .trust-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 카드 스타일 */
    .solution-card,
    .feature-item,
    .trust-item {
        padding: 25px 20px;
    }
    
    /* 샘플 그리드 */
    .sample-items.grid-layout {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .sample-card {
        min-width: auto;
        padding: 20px 15px;
    }
    
    /* 폼 요소 크기 증가 */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    textarea,
    select {
        min-height: 48px;
        font-size: 16px;
        padding: 12px 15px;
    }
    
    /* 터치 영역 확대 */
    a, button {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* 푸터 */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .footer-certifications {
        justify-content: center;
    }
    
    /* 팝업 */
    .popup-content {
        padding: 30px 20px;
        width: 95%;
        margin: 0 auto;
    }
    
    .popup-content h2 {
        font-size: 1.6rem;
    }
    
    .popup-content p {
        font-size: 0.95rem;
    }
    
    /* FAQ 아이템 */
    .faq-item {
        padding: 15px;
    }
    
    .faq-question {
        font-size: 1rem;
        padding: 15px;
    }
    
    .faq-answer {
        padding: 15px;
    }
}

/* 480px - 작은 모바일 디바이스 */
@media (max-width: 480px) {
    /* 컨테이너 패딩 최소화 */
    .container {
        padding: 0 10px;
    }
    
    header .container {
        padding: 0 10px;
    }
    
    /* 제목 크기 추가 축소 */
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.4rem; }
    h3 { font-size: 1.2rem; }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 16px;
    }
    
    .hero-title {
        font-size: 1.6rem;
        line-height: 1.3;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }
    
    /* 그리드 1열 강제 */
    .features-grid,
    .trust-grid,
    .solutions-overview-grid,
    .blog-grid,
    .sample-items.grid-layout {
        grid-template-columns: 1fr !important;
    }
    
    /* 신뢰도 숫자 크기 */
    .trust-number {
        font-size: 2rem;
    }
    
    /* 연락처 메소드 */
    .contact-method {
        padding: 20px 15px;
    }
    
    /* 팝업 헤더 */
    .popup-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-end;
    }
    
    /* 샘플 카드 */
    .sample-card {
        font-size: 0.9rem;
    }
    
    .sample-number {
        font-size: 1.5rem;
    }
}

/* 모바일 전용 유틸리티 클래스 */
.mobile-only { display: none; }
.desktop-only { display: block; }

@media (max-width: 768px) {
    .mobile-only { display: block !important; }
    .desktop-only { display: none !important; }
}

/* 터치 기기 전용 스타일 */
@media (hover: none) and (pointer: coarse) {
    /* 터치 기기에서 hover 효과 제거 */
    .btn:hover,
    .card:hover,
    .solution-card:hover,
    .feature-item:hover,
    .trust-item:hover {
        transform: none;
    }
    
    /* 링크 간격 증가 */
    .nav-links a {
        padding: 15px 20px;
    }
}

/* 추가 유틸리티 클래스 */
.text-primary { color: #2563eb; }
.text-secondary { color: #6b7280; }
.text-success { color: #10b981; }
.text-danger { color: #ef4444; }
.text-warning { color: #f59e0b; }

.bg-primary { background-color: #2563eb; }
.bg-secondary { background-color: #6b7280; }
.bg-light { background-color: #f8fafc; }
.bg-white { background-color: #ffffff; }

.border-primary { border-color: #2563eb; }
.border-secondary { border-color: #e5e7eb; }

.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }

.rounded { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }

/* 로딩 애니메이션 */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(37, 99, 235, 0.3);
    border-radius: 50%;
    border-top-color: #2563eb;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 성공/에러 메시지 */
.success-message {
    background: linear-gradient(45deg, #10b981, #059669);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    margin: 20px 0;
    display: none;
    animation: slideDown 0.3s ease-out;
}

.error-message {
    background: linear-gradient(45deg, #ef4444, #dc2626);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    margin: 20px 0;
    display: none;
    animation: shake 0.5s ease-in-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* 관리자 링크 스타일 */
.admin-link {
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.admin-link:hover {
    opacity: 1;
}

/* 솔루션 페이지 공통 스타일 */
.solution-hero-section {
    background-size: cover;
    background-position: center;
    padding: 120px 0 80px;
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.solution-hero-section .hero-overlay {
    background: linear-gradient(135deg, rgba(0,0,0,0.7), rgba(37, 99, 235, 0.3));
}

.solution-badge-hero {
    display: inline-block;
    background: linear-gradient(45deg, #f0c419, #f59e0b);
    color: #111;
    padding: 8px 25px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(240, 196, 25, 0.4);
}

.solution-hero-section h1 {
    color: #ffffff;
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

.solution-hero-section .hero-subtitle {
    color: #f3f4f6;
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}

/* 스크롤 인디케이터 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 2rem;
    animation: bounce 2s infinite;
    cursor: pointer;
}

/* 그라데이션 텍스트 */
.gradient-text {
    background: linear-gradient(45deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 카드 호버 효과 */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
}

/* 백그라운드 패턴 */
.bg-pattern {
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(37, 99, 235, 0.05) 35px, rgba(37, 99, 235, 0.05) 70px),
        repeating-linear-gradient(-45deg, transparent, transparent 35px, rgba(37, 99, 235, 0.05) 35px, rgba(37, 99, 235, 0.05) 70px);
}

/* 솔루션 전용 스타일 추가 */
.feature-icon-large {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
    text-align: center;
}

.feature-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 3rem;
}

.feature-detail-item {
    background: #ffffff;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.feature-detail-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.15);
    border-color: #2563eb;
}

.feature-detail-item h3 {
    color: #2563eb;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.feature-detail-item ul {
    list-style: none;
    padding: 0;
}

.feature-detail-item li {
    padding: 10px 0;
    color: #4b5563;
    position: relative;
    padding-left: 25px;
    line-height: 1.5;
    border-bottom: 1px solid #f3f4f6;
}

.feature-detail-item li:last-child {
    border-bottom: none;
}

.feature-detail-item li:before {
    content: "→";
    color: #2563eb;
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* 가격 테이블 */
.pricing-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 3rem 0;
}

.pricing-table {
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.pricing-header {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    padding: 25px;
    text-align: center;
}

.pricing-header h3 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.pricing-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.9rem;
}

.pricing-body {
    padding: 0;
}

.pricing-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px;
    border-bottom: 1px solid #f3f4f6;
}

.pricing-row:last-child {
    border-bottom: none;
}

.pricing-row.featured {
    background: #f0f9ff;
    border-left: 4px solid #2563eb;
}

.pricing-label {
    font-weight: 600;
    color: #374151;
    flex: 1;
}

.pricing-value {
    font-size: 1.3rem;
    font-weight: 800;
    color: #2563eb;
    margin: 0 15px;
}

.pricing-desc {
    font-size: 0.9rem;
    color: #6b7280;
    text-align: right;
    flex-shrink: 0;
}

/* CTA 섹션 */
.cta-section {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content > p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.cta-feature {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background: white;
    color: #2563eb;
}

.cta-buttons .btn-primary:hover {
    background: #f8fafc;
}

.cta-buttons .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.cta-note {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

/* 블로그 페이지 전용 스타일 */
:root {
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --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);
    --transition: all 0.3s ease;
}

/* 블로그 히어로 섹션 */
.blog-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 120px 0 60px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="pattern" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23pattern)"/></svg>');
    opacity: 0.5;
}

.blog-hero-content {
    position: relative;
    z-index: 2;
}

.blog-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3rem);
    margin-bottom: 1rem;
    color: white;
}

.blog-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* 블로그 필터 */
.blog-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* 블로그 메인 레이아웃 */
.blog-main-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
    margin-top: 3rem;
}

/* 블로그 포스트 카드 */
.blog-posts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.blog-post-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.blog-post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15);
    border-color: var(--primary-color);
}

.blog-post-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-post-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-post-card-body {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.badge-category {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 10px;
}

.blog-post-title {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    font-weight: 700;
}

.blog-post-meta {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 15px;
}

.blog-post-excerpt {
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 15px;
    flex-grow: 1;
}

.blog-post-tags {
    margin-top: auto;
}

.tag {
    display: inline-block;
    background: #f3f4f6;
    color: var(--text-gray);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-right: 5px;
}

/* 사이드바 */
.blog-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-widget {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.sidebar-widget h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-bottom: 10px;
    border-bottom: 2px solid #f3f4f6;
}

/* 인기 포스트 */
.popular-posts {
    list-style: none;
    padding: 0;
}

.popular-posts li {
    padding: 12px 0;
    border-bottom: 1px solid #f3f4f6;
}

.popular-posts li:last-child {
    border-bottom: none;
}

.popular-posts a {
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.4;
    display: block;
    transition: color 0.3s ease;
    text-decoration: none;
}

.popular-posts a:hover {
    color: var(--primary-color);
}

.popular-posts .post-date {
    font-size: 0.8rem;
    color: #9ca3af;
    margin-top: 5px;
}

/* 태그 클라우드 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-cloud a {
    background: #f3f4f6;
    color: var(--text-gray);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
}

.tag-cloud a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 뉴스레터 위젯 */
.newsletter-widget {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.newsletter-widget h3 {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.newsletter-widget p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.newsletter-form input {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.newsletter-form button {
    width: 100%;
    padding: 12px;
    background: white;
    color: var(--primary-color);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: #f8fafc;
    transform: translateY(-2px);
}

/* 블로그 페이지네이션 */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 50px;
}

.blog-pagination button {
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-dark);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.blog-pagination button:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.blog-pagination button.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.blog-pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.blog-pagination span {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* 블로그 상세 페이지 */
.blog-post-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.blog-post-header {
    margin-bottom: 2rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-gray);
}

.breadcrumb a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.blog-post-detail h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin: 1rem 0;
    line-height: 1.3;
}

.blog-post-image {
    margin: 2rem 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.blog-post-image img {
    width: 100%;
    height: auto;
    display: block;
}

.blog-post-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.blog-post-body h2,
.blog-post-body h3,
.blog-post-body h4 {
    margin: 2rem 0 1rem;
}

.blog-post-body p {
    margin-bottom: 1.5rem;
}

.blog-post-body ul,
.blog-post-body ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.blog-post-body li {
    margin-bottom: 0.5rem;
}

.blog-post-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-gray);
}

.blog-post-body pre {
    background: #f3f4f6;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.blog-post-body code {
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

/* 관련 포스트 */
.related-posts {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
}

.related-posts h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: left;
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.related-post-item {
    background: white;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.related-post-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.related-post-item h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.related-post-item p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 블로그 CTA */
.blog-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 3rem;
    border-radius: 15px;
    text-align: center;
    margin-top: 3rem;
}

.blog-cta h3 {
    color: white;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.blog-cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.blog-cta .btn:hover {
    background: #f8fafc;
}

/* 블로그 반응형 디자인 */
@media (max-width: 992px) {
    .blog-main-content {
        grid-template-columns: 1fr;
    }
    
    .blog-sidebar {
        position: relative;
        top: 0;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }
    
    .blog-posts {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .blog-hero h1 {
        font-size: 2.2rem;
    }
    
    .blog-hero p {
        font-size: 1rem;
    }
    
    .blog-filters {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .blog-posts {
        grid-template-columns: 1fr;
    }
    
    .blog-post-detail {
        padding: 20px 15px;
    }
    
    .blog-post-body {
        font-size: 1rem;
    }
    
    .related-posts-grid {
        grid-template-columns: 1fr;
    }
}

/* 다크모드 지원 */
@media (prefers-color-scheme: dark) {
    .blog-post-card,
    .sidebar-widget {
        background: #1f2937;
        border-color: #374151;
    }
    
    .filter-btn {
        background: #1f2937;
        border-color: #374151;
        color: #f9fafb;
    }
    
    .tag {
        background: #374151;
        color: #d1d5db;
    }
    
    .blog-post-body pre,
    .blog-post-body code {
        background: #374151;
        color: #f9fafb;
    }
}

/* 모바일 메뉴 애니메이션 */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 스킵 투 콘텐츠 (접근성) */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: #2563eb;
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-to-content:focus {
    top: 0;
}

/* 이미지 로딩 스켈레톤 */
img[loading="lazy"] {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 프린트 스타일 */
@media print {
    header, footer, .popup-overlay, .mobile-menu-toggle {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .container {
        max-width: 100%;
    }
}

.popup-overlay.show .popup-content {
    transform: scale(1);
}

.popup-overlay.show {
    opacity: 1;
}