/* ========================================================
   AutoPixel Studio - 글로벌 통합 헤더 스타일
   (모든 페이지 100% 픽셀 일치 & 떨림/위치 틀어짐 원천 방지)
   ======================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border, #E2E8F0);
    width: 100%;
    height: 68px;
    box-sizing: border-box;
}

.header-container {
    max-width: 1140px !important;
    width: 100% !important;
    margin: 0 auto !important;
    padding: 0 24px !important;
    height: 68px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    box-sizing: border-box !important;
}

.site-header .logo-box {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -0.5px;
    color: var(--text-main, #0F172A);
    text-decoration: none;
    flex-shrink: 0;
}

.site-header .logo-badge {
    background: var(--primary, #4F46E5);
    color: #FFFFFF;
    font-size: 11px;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 6px;
}

.site-header .nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--text-sub, #475569);
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-header .nav-links a {
    color: var(--text-sub, #475569);
    text-decoration: none;
    transition: color 0.15s ease;
    padding: 8px 0;
    position: relative;
    display: inline-block;
}

.site-header .nav-links a:hover {
    color: var(--primary, #4F46E5);
}

.site-header .nav-links a.nav-active {
    color: var(--primary, #4F46E5);
    font-weight: 700;
}

.site-header .nav-links a.nav-active::after {
    content: "";
    position: absolute;
    bottom: -16px;
    left: 0;
    right: 0;
    height: 2.5px;
    background: var(--primary, #4F46E5);
    border-radius: 2px;
}

.site-header .nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.site-header .btn-store-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #0F172A;
    color: #FFFFFF !important;
    font-size: 13.5px;
    font-weight: 700;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.2);
}

.site-header .btn-store-nav:hover {
    background: #1E293B;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.3);
}

.site-header .btn-exe-nav {
    display: inline-flex;
    align-items: center;
    background: var(--surface, #FFFFFF);
    color: var(--text-main, #0F172A) !important;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border, #CBD5E1);
    text-decoration: none;
    transition: all 0.2s ease;
}

.site-header .btn-exe-nav:hover {
    background: #F8FAFC;
    border-color: #94A3B8;
}

@media (max-width: 900px) {
    .site-header .nav-links { display: none; }
}