/* Global Styles */
:root {
    --primary-color: #2c5282;
    --secondary-color: #3182ce;
    --text-dark: #2d3748;
    --text-muted: #718096;
    --bg-light: #f7fafc;
    --border-color: #e2e8f0;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.brand-text {
    color: var(--primary-color);
}

.navbar-nav .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 5px 25px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.5rem 1.5rem;
    transition: all 0.3s;
}

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

/* Hero Section */
.hero-section {
    padding-top: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-light) 0%, #ffffff 100%);
}

.hero-section h1 {
    color: var(--text-dark);
    line-height: 1.2;
}

.hero-section .text-primary {
    color: var(--primary-color) !important;
}

/* Feature Cards */
.feature-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 50%;
}

.feature-icon i {
    font-size: 2.5rem;
}

/* Service Cards */
.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 10px;
    margin-bottom: 1rem;
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: 0.5rem;
    transition: all 0.3s;
}

.btn-link:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

/* Footer */
.footer {
    background: #1a202c;
    color: #cbd5e0;
    padding-top: 3rem;
}

.footer h5, .footer h6 {
    color: white;
    margin-bottom: 1rem;
}

.footer a {
    color: #cbd5e0;
    text-decoration: none;
    transition: color 0.3s;
}

.footer a:hover {
    color: white;
}

.footer .list-unstyled li {
    margin-bottom: 0.5rem;
}

.social-links a {
    display: inline-block;
    width: 35px;
    height: 35px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 35px;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary-color);
    color: white !important;
}

/* Buttons */
.btn {
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 82, 130, 0.3);
}

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

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

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

.btn-light:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .navbar-nav {
        text-align: center;
        padding: 1rem 0;
    }
    
    .footer .text-md-end {
        text-align: left !important;
        margin-top: 1rem;
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-light {
    background-color: var(--bg-light) !important;
}