/* 커스텀 스타일 정의 */
:root {
    --primary-color: #2563eb;       /* 신뢰감을 주는 블루 */
    --primary-dark: #1e40af;
    --accent-color: #f8f9fa;
    --text-main: #111827;
    --text-sub: #6b7280;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    color: var(--text-main);
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* 네비게이션 */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}
.nav-link {
    font-weight: 500;
    color: var(--text-main) !important;
    transition: color 0.3s;
}
.nav-link:hover {
    color: var(--primary-color) !important;
}

/* 히어로 섹션 */
.hero-section {
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    padding: 160px 0 100px;
    position: relative;
}
/* 히어로 영역 보조 버튼 hover 보정 */
.hero-section .btn-outline-secondary.bg-white:hover,
.hero-section .btn-outline-secondary.bg-white:focus,
.hero-section .btn-outline-secondary.bg-white:active {
    background-color: #f8fafc !important;
    color: var(--text-main) !important;
    border-color: #94a3b8 !important;
}

.hero-section .btn-outline-primary.bg-white:hover,
.hero-section .btn-outline-primary.bg-white:focus,
.hero-section .btn-outline-primary.bg-white:active {
    background-color: #eff6ff !important;
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}
.hero-badge {
    background-color: #dbeafe;
    color: #1e40af;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 1.5rem;
}

/* 공통 섹션 스타일 */
.section-header {
    margin-bottom: 4rem;
}
.section-title {
    font-weight: 800;
    letter-spacing: -0.5px;
}
.section-subtitle {
    color: var(--text-sub);
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* 카드 스타일 (서비스 & 장점) */
.feature-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    transition: all 0.3s ease;
    height: 100%;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--primary-color);
}
.icon-box {
    width: 60px;
    height: 60px;
    background-color: #eff6ff;
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

/* 가격 섹션 */
.pricing-card {
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    overflow: hidden;
    background: white;
    transition: all 0.3s;
    position: relative;
}
.pricing-card.popular {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.25);
}
.pricing-header {
    background-color: #f8fafc;
    padding: 2.5rem 2rem;
    border-bottom: 1px solid #e5e7eb;
}
.pricing-body {
    padding: 2rem;
}
.price-tag {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
}
.period {
    font-size: 1rem;
    color: var(--text-sub);
    font-weight: 400;
}

/* 버튼 */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    padding: 12px 28px;
    font-weight: 600;
    border-radius: 8px;
}
.btn-primary:hover {
    background-color: var(--primary-dark);
}

/* 반응형 이미지 */
.hero-img {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border-radius: 20px;
}

/* 토글 활성화 스타일 */
.active-toggle {
    background-color: white !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
    color: #2563eb !important;
}

.fw-extrabold { font-weight: 800; }

.pricing-card {
    border-radius: 20px;
    border: 1px solid #eef2f7;
    transition: all 0.3s ease;
}/* 홈페이지-블로그 연계 보완 */
.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    margin-left: 14px;
}
.footer-links a:hover {
    color: #ffffff;
}
.blog-preview-card {
    transition: all 0.25s ease;
}
.blog-preview-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}
@media (max-width: 575.98px) {
    .footer-links a {
        margin-left: 0;
        margin-right: 12px;
        display: inline-block;
        margin-bottom: 6px;
    }
}