:root {
    --primary-color: #18498d;
    --secondary-color: #1dbee3;
    --accent-color: #e74c3c;
    --dark-color: #333333;
    --light-color: #f8f9fa;
    --light-gray: #fdfdfd;
    --middle-gray: #d3d3d3;
    --dark-gray: #343a40;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --bg-white: #fff;
    --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08);
    --border-radius-sm: 8px;
    --border-radius-md: 10px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
    --max-content-width: 1400px;
}

.text-primary {
    color: #13A8C4 !important;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark-color);
    background-color: #f5f7fa;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Raleway', sans-serif;
    font-weight: 600;
}

/* Header styles */
.top-bar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 10px 0;
    font-size: 0.85rem;
}

.top-bar i {
    color: rgba(255, 255, 255, 0.85);
}

.logo-container {
    padding: 20px 0;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo-container img {
    max-height: 80px;
}

.logo-container a {
    text-decoration: none;
}

.logo-container h1 {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    font-size: 1.8rem;
}

.logo-container p {
    color: var(--dark-gray);
    font-size: 1rem;
}

.main-nav {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.main-nav .navbar-nav .nav-link {
    color: white;
    font-weight: 500;
    padding: 15px 20px;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.main-nav .navbar-nav .nav-link:hover,
.main-nav .navbar-nav .nav-item.active .nav-link,
.main-nav .nav-link:hover, 
.main-nav .nav-link.active {
    background-color: rgba(255,255,255,0.15);
    color: white;
}

.dropdown-menu {
    border: 1px solid #d1d1d1;
    border-radius: 0 0 5px 5px;
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    margin-top: 0px !important;
}

.dropdown-item {
    padding: 10px 20px;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.dropdown-item:hover {
    background-color: var(--light-gray);
}

.navbar-toggler {
    border-color: white;
}

.navbar-toggler-icon {
    filter: brightness(0) invert(1);
}

/* Footer styles */
footer {
    background-color: var(--dark-gray);
    color: white;
    padding: 20px 0 10px;
}

footer h5 {
    color: white;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    font-weight: 600;
}

footer h5:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(to right, var(--secondary-color), transparent);
}

footer p, li {
    font-size: .8rem;
}

footer li {
    margin-bottom: 12px;
}

footer a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: .8rem;
}

footer a:hover {
    color: white;
    text-decoration: none;
}

footer i {
    width: 20px;
}

footer .social-icons a {
    display: inline-block;
    width: 36px;
    height: 36px;
    background-color: rgba(255,255,255,0.1);
    text-align: center;
    line-height: 36px;
    border-radius: 50%;
    margin-right: 5px;
    transition: all 0.3s ease;
}

footer .social-icons a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

footer hr {
    border-color: rgba(255,255,255,0.1);
}

/* Footer business info styling */
footer .small {
    font-size: 0.75rem;
    line-height: 1.6;
}

footer .small strong {
    color: var(--secondary-color);
}

@media (max-width: 768px) {
    footer .row > div {
        margin-bottom: 20px;
    }
    
    footer h5 {
        margin-bottom: 15px;
    }
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 8px 20px;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-outline-primary {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

/* Responsive adjustments */
@media (max-width: 991.98px) {
    .main-nav .navbar-nav .nav-link {
        padding: 10px;
    }
    
    .navbar-collapse {
        background-color: var(--primary-color);
    }
}

/* 컨텐츠 영역의 최대 가로 크기 설정 */
.container {
    max-width: var(--max-content-width);
    margin: 0 auto;
}

/* 현대적인 카드 디자인 */
.section-card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
    margin-bottom: 2rem;
}

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

.section-card .card-body {
    padding: 2rem;
}

/* 현대적인 섹션 제목 디자인 */
.section-title {
    position: relative;
    margin-bottom: 2rem;
    text-align: center;
}

.section-title h2 {
    font-weight: 700;
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.section-title h2:after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    width: 80px;
    margin: 0 auto;
    border-radius: 3px;
}

/* 모든 아이콘에 대한 스타일 */
.card-body i.fas, 
.card-body i.fab {
    /* color: var(--primary-color); */
}

/* 그리팅 아바타 스타일 향상 */
.greeting-avatar {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 300px;
    height: 300px;
    background-color: var(--light-color);
    border-radius: 10%;
    color: var(--middle-gray);
    font-size: 2rem;
    box-shadow: var(--shadow-sm);
    border: 2px solid #eaeaea;
    transition: var(--transition);
}

/* 버튼 스타일 향상 */
.btn {
    border-radius: 10px;
    padding: 1rem 1.5rem;
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

.btn-primary {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

/* 링크 스타일 향상 */
a {
    color: var(--primary-color);
    transition: var(--transition);
    text-decoration: none;
}

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

/* 섹션 간 여백 및 패딩 일관성 유지 */
section {
    padding: 4rem 0;
}

@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }
    
    .section-card .card-body {
        padding: 1.5rem;
    }
}