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

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 네비게이션 */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #0d6efd !important;
}

/* 히어로 섹션 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0 50px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content .lead {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons .btn {
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* 서비스 카드 */
.services-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.service-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.card-icon i {
    font-size: 4rem;
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.card-text {
    font-size: 1rem;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.card-features {
    margin-bottom: 25px;
}

.card-features small {
    display: block;
    margin-bottom: 5px;
    text-align: left;
}

.card-footer .btn {
    border-radius: 25px;
    padding: 10px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.card-footer .btn:hover {
    transform: scale(1.05);
}

/* 가격 섹션 */
.pricing-section {
    padding: 100px 0;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.pricing-header h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.price {
    margin-bottom: 30px;
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.amount {
    font-size: 4rem;
    font-weight: 700;
    color: #0d6efd;
}

.period {
    font-size: 1.2rem;
    color: #666;
}

.pricing-features ul {
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 10px 0;
    font-size: 1.1rem;
}

/* 문의 섹션 */
.contact-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
}

.contact-section .btn {
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.contact-section .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* 푸터 */
.footer {
    background: #2c3e50 !important;
    padding: 40px 0;
}

.footer h5 {
    font-weight: 600;
    margin-bottom: 10px;
}

/* 모달 스타일 */
.modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.modal-header {
    border-bottom: none;
    padding: 30px 30px 0;
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    border-top: none;
    padding: 0 30px 30px;
}

/* 로딩 오버레이 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    text-align: center;
    color: white;
}

.loading-spinner .spinner-border {
    width: 3rem;
    height: 3rem;
}

.loading-spinner p {
    font-size: 1.2rem;
    margin-top: 15px;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .hero-section {
        padding: 80px 0 30px;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content .lead {
        font-size: 1.1rem;
    }
    
    .service-card {
        padding: 30px 20px;
        margin-bottom: 20px;
    }
    
    .card-icon i {
        font-size: 3rem;
    }
    
    .pricing-card {
        padding: 30px 20px;
    }
    
    .amount {
        font-size: 3rem;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 10px;
    }
    
    .service-card {
        padding: 25px 15px;
    }
    
    .pricing-card {
        padding: 25px 15px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 스크롤바 스타일링 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5a6fd8;
}