/* ============================================================
   피앤비시스 홈페이지 공통 스타일
   Primary: #1B2A4A (네이비), Accent: #2E86DE (블루)
   ============================================================ */

/* Google Fonts & Pretendard */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

/* CSS 변수 */
:root {
    --color-primary: #1B2A4A;
    --color-accent: #2E86DE;
    --color-accent-dark: #1a6fc4;
    --color-accent-light: #e8f1fb;
    --color-text: #222831;
    --color-text-muted: #6c757d;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-border: #e9ecef;
    --color-white: #ffffff;
    --font-main: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

/* 기본 초기화 */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-accent-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================================
   공통 컴포넌트
   ============================================================ */

/* 컨테이너 */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* 섹션 */
.section {
    padding: 80px 0;
}

.section-sm {
    padding: 48px 0;
}

/* 섹션 헤더 */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header .badge-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
    background: var(--color-accent-light);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* 버튼 */
.btn-primary-custom {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-accent);
    color: var(--color-white) !important;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    border: 2px solid var(--color-accent);
}

.btn-primary-custom:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46,134,222,0.35);
}

.btn-outline-custom {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--color-accent) !important;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    border: 2px solid var(--color-accent);
}

.btn-outline-custom:hover {
    background: var(--color-accent);
    color: var(--color-white) !important;
    transform: translateY(-2px);
}

.btn-white-custom {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-white);
    color: var(--color-primary) !important;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    border: 2px solid var(--color-white);
}

.btn-white-custom:hover {
    background: transparent;
    color: var(--color-white) !important;
    transform: translateY(-2px);
}

/* 카드 */
.card-custom {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    overflow: hidden;
}

.card-custom:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

/* 페이지 타이틀 영역 */
.page-title-area {
    background: linear-gradient(rgba(27, 42, 74, 0.85), rgba(27, 42, 74, 0.85)), url('/images/service-bg.png') center/cover no-repeat;
    padding: 80px 0;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.page-title-area::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
}

.page-title-area h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-title-area .breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

.page-title-area .breadcrumb-item,
.page-title-area .breadcrumb-item a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.page-title-area .breadcrumb-item.active {
    color: rgba(255,255,255,0.95);
}

.page-title-area .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255,255,255,0.4);
}

/* ============================================================
   스크롤 애니메이션
   ============================================================ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
}

/* ============================================================
   네비게이션
   ============================================================ */
.navbar-pnb {
    background: var(--color-white) !important;
    box-shadow: var(--shadow-sm);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar-pnb .navbar-brand img {
    height: 40px;
    width: auto;
}

.navbar-pnb .navbar-brand .brand-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.navbar-pnb .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text) !important;
    padding: 20px 16px !important;
    transition: color 0.2s ease;
    position: relative;
}

.navbar-pnb .nav-link:hover,
.navbar-pnb .nav-link.active {
    color: var(--color-accent) !important;
}

.navbar-pnb .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.navbar-pnb .nav-link:hover::after,
.navbar-pnb .nav-link.active::after {
    transform: scaleX(1);
}

/* 드롭다운 */
.navbar-pnb .dropdown-menu {
    border: none;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-sm);
    min-width: 180px;
    padding: 8px 0;
    margin-top: 0;
}

.navbar-pnb .dropdown-item {
    font-size: 14px;
    color: var(--color-text);
    padding: 8px 20px;
    transition: var(--transition);
}

.navbar-pnb .dropdown-item:hover {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

/* 푸터 */
/* 푸터 */
.footer-pnb {
    background: #4b4b4b; /* 진회색 배경 */
    color: rgba(255,255,255,0.75);
    padding: 24px 0; /* 위아래 여백을 24px로 줄임 */
    font-size: 13px;
    border-top: 1px solid #3d3d3d;
}

.footer-pnb .btn-footer-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.footer-pnb .btn-footer-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.footer-pnb .footer-brand {
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.5px;
}

/* ============================================================
   게시판
   ============================================================ */
.board-table {
    width: 100%;
    border-collapse: collapse;
}

.board-table th {
    background: var(--color-bg-light);
    border-top: 2px solid var(--color-primary);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    color: var(--color-primary);
}

.board-table td {
    border-bottom: 1px solid var(--color-border);
    padding: 14px 16px;
    font-size: 14px;
    vertical-align: middle;
}

.board-table tbody tr:hover {
    background: var(--color-bg-light);
}

.board-table .title-cell a {
    color: var(--color-text);
    font-weight: 500;
}

.board-table .title-cell a:hover {
    color: var(--color-accent);
}

.board-table .notice-badge {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 3px;
    margin-right: 6px;
}

/* 페이지네이션 */
.pagination-pnb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 32px;
}

.pagination-pnb a,
.pagination-pnb span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.pagination-pnb a:hover {
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.pagination-pnb .current {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
    font-weight: 600;
}

/* ============================================================
   반응형
   ============================================================ */
@media (max-width: 992px) {
    .section {
        padding: 56px 0;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .navbar-pnb .nav-link {
        padding: 12px 16px !important;
    }

    .navbar-pnb .nav-link::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 48px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .page-title-area {
        padding: 40px 0;
    }

    .page-title-area h1 {
        font-size: 1.5rem;
    }

    .footer-pnb {
        padding: 40px 0 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .btn-primary-custom,
    .btn-outline-custom,
    .btn-white-custom {
        padding: 10px 20px;
        font-size: 14px;
    }
}