/**
 * Picjjang 서비스 허브 - 공통 스타일
 * 위키하우 스타일: 깔끔, 단일 컬럼, 넓은 여백, 명확한 타이포그래피
 */

/* === 리셋 & 기본 === */
* { box-sizing: border-box; }

:root {
    --hub-primary: #93b5c6;
    --hub-accent: #4a90d9;
    --hub-text: #3b3b3b;
    --hub-text-light: #757575;
    --hub-bg: #ffffff;
    --hub-bg-light: #f8f9fa;
    --hub-border: #e8e8e8;
    --hub-shadow: 0 1px 4px rgba(0,0,0,0.06);
    --hub-radius: 10px;
    --hub-max-width: 728px;
    --hub-font: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
    font-family: var(--hub-font);
    color: var(--hub-text);
    background: var(--hub-bg);
    margin: 0;
    padding: 0;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* === 네비게이션 (간결, 위키하우 스타일) === */
.hub-navbar {
    background: var(--hub-bg);
    border-bottom: 1px solid var(--hub-border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 20px;
}

.hub-navbar-inner {
    max-width: var(--hub-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
}

.hub-navbar-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--hub-text);
    text-decoration: none;
}
.hub-navbar-brand:hover { color: var(--hub-accent); text-decoration: none; }

.hub-navbar-menu {
    position: relative;
}

.hub-navbar-btn {
    background: none;
    border: 1px solid var(--hub-border);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85rem;
    color: var(--hub-text-light);
    cursor: pointer;
    transition: all 0.2s;
}
.hub-navbar-btn:hover {
    border-color: var(--hub-accent);
    color: var(--hub-accent);
}

.hub-navbar-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: 40px;
    background: var(--hub-bg);
    border: 1px solid var(--hub-border);
    border-radius: var(--hub-radius);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    min-width: 200px;
    padding: 8px 0;
    z-index: 200;
}
.hub-navbar-dropdown.show { display: block; }

.hub-navbar-dropdown a {
    display: block;
    padding: 8px 16px;
    color: var(--hub-text);
    text-decoration: none;
    font-size: 0.9rem;
}
.hub-navbar-dropdown a:hover {
    background: var(--hub-bg-light);
    color: var(--hub-accent);
}

.hub-navbar-dropdown .dropdown-divider {
    border-top: 1px solid var(--hub-border);
    margin: 4px 0;
}

/* === 메인 컨테이너 (위키하우 스타일 단일 컬럼) === */
.hub-container {
    max-width: var(--hub-max-width);
    margin: 0 auto;
    padding: 30px 20px 60px;
}

/* === 서비스 헤더 영역 === */
.hub-hero {
    text-align: center;
    padding: 40px 0 30px;
    border-bottom: 1px solid var(--hub-border);
    margin-bottom: 30px;
}

.hub-hero-emoji {
    font-size: 3rem;
    display: block;
    margin-bottom: 12px;
}

.hub-hero h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--hub-text);
    margin: 0 0 10px;
    line-height: 1.3;
}

.hub-hero p {
    font-size: 1.05rem;
    color: var(--hub-text-light);
    margin: 0;
    max-width: 500px;
    margin: 0 auto;
}

/* === 섹션 제목 (위키하우 스타일 구분선) === */
.hub-section-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--hub-text);
    margin: 0 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--hub-border);
}

/* === 서비스 고유 콘텐츠 영역 === */
#service-content {
    margin-bottom: 40px;
}

/* === 광고 블록 === */
.hub-ad-block {
    margin: 30px 0;
    text-align: center;
    min-height: 50px;
}

/* === 교차 추천 위젯 === */
.hub-crosslink {
    margin: 40px 0;
    padding-top: 30px;
    border-top: 1px solid var(--hub-border);
}

.hub-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.hub-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 12px;
    border-radius: var(--hub-radius);
    background: var(--hub-bg-light);
    text-decoration: none;
    color: var(--hub-text);
    transition: transform 0.2s, box-shadow 0.2s;
    border-top: 3px solid transparent;
}
.hub-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    text-decoration: none;
    color: var(--hub-text);
}

.hub-card-emoji { font-size: 1.8rem; margin-bottom: 8px; }
.hub-card-name { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.hub-card-desc { font-size: 0.78rem; color: var(--hub-text-light); line-height: 1.4; }

/* === 블로그 추천 위젯 === */
.hub-blog-recommend {
    margin: 40px 0;
    padding-top: 30px;
    border-top: 1px solid var(--hub-border);
}

.hub-blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.hub-blog-card {
    display: block;
    border-radius: var(--hub-radius);
    overflow: hidden;
    background: var(--hub-bg-light);
    text-decoration: none;
    color: var(--hub-text);
    transition: transform 0.2s, box-shadow 0.2s;
}
.hub-blog-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    text-decoration: none;
    color: var(--hub-text);
}

.hub-blog-thumb img {
    width: 100%;
    height: 130px;
    object-fit: cover;
    display: block;
}

.hub-blog-info { padding: 12px; }
.hub-blog-card-title { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; line-height: 1.4; }
.hub-blog-excerpt { font-size: 0.78rem; color: var(--hub-text-light); line-height: 1.4; }

/* === 푸터 === */
.hub-footer-wrap {
    border-top: 1px solid var(--hub-border);
    padding: 24px 0;
    text-align: center;
    margin-top: 40px;
}

.hub-footer-links a {
    color: var(--hub-text-light);
    text-decoration: none;
    font-size: 0.85rem;
}
.hub-footer-links a:hover { color: var(--hub-accent); }
.hub-footer-dot { color: #ccc; margin: 0 6px; }
.hub-footer-copy { font-size: 0.75rem; color: #bbb; margin: 8px 0 0; }

/* === 반응형 === */
@media (max-width: 768px) {
    .hub-container { padding: 20px 16px 40px; }
    .hub-hero { padding: 24px 0 20px; }
    .hub-hero h1 { font-size: 1.4rem; }
    .hub-hero p { font-size: 0.95rem; }
    .hub-card-grid { grid-template-columns: repeat(2, 1fr); }
    .hub-blog-grid { grid-template-columns: 1fr; }
    .hub-card-desc { display: none; }
}

@media (max-width: 480px) {
    .hub-hero-emoji { font-size: 2.2rem; }
    .hub-hero h1 { font-size: 1.2rem; }
}