/* PeerNine Blog — Wanted Sans */
@import url('https://cdn.jsdelivr.net/gh/wanteddev/wanted-sans@v1.0.3/packages/wanted-sans/fonts/webfonts/variable/split/WantedSansVariable.min.css');

:root {
    --primary: #1440ED;
    --primary-dark: #0F30B8;
    --primary-light: #EEF2FF;
    --text: #18181B;
    --text-secondary: #52525B;
    --text-muted: #A1A1AA;
    --bg: #FFFFFF;
    --bg-subtle: #FAFAFA;
    --border: #E4E4E7;
    --border-light: #F4F4F5;
    --max-width: 720px;
    --header-height: 56px;
}

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

body {
    font-family: 'Wanted Sans Variable', 'Wanted Sans', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.75;
    font-size: 15.5px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Header ─── */
.site-header {
    height: var(--header-height);
    border-bottom: 1px solid var(--border-light);
    background: rgba(255,255,255,0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-header .inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.site-header .logo {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}
.site-header .logo .brand-name { color: var(--text); }
.site-header .logo .brand-sep {
    color: var(--border);
    margin: 0 8px;
    font-weight: 300;
}
.site-header .logo .brand-blog {
    font-weight: 500;
    color: var(--text-secondary);
}
.site-header nav {
    display: flex;
    align-items: center;
    gap: 20px;
}
.site-header nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: color 0.15s;
}
.site-header nav a:hover { color: var(--text); }

/* ─── Post Nav (포스트 상단 네비) ─── */
.post-nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 16px 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.post-nav .back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.15s;
}
.post-nav .back-link:hover { color: var(--text); }
.post-nav .back-link svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}
.post-nav .post-nav-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ─── Main ─── */
.content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 48px 24px;
}

/* ─── Post List ─── */
.post-list { list-style: none; }
.post-item {
    padding: 28px 0;
    border-bottom: 1px solid var(--border-light);
}
.post-item:first-child { padding-top: 0; }
.post-item:last-child { border-bottom: none; }
.post-item .date {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-bottom: 6px;
}
.post-item h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.45;
    letter-spacing: -0.025em;
}
.post-item h2 a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.15s;
}
.post-item h2 a:hover { color: var(--primary); }
.post-item .excerpt {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.65;
    letter-spacing: -0.01em;
}
.post-item .tags {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.post-item .tag {
    display: inline-block;
    background: var(--bg-subtle);
    color: var(--text-muted);
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 100px;
    border: 1px solid var(--border-light);
}

/* ─── Single Post (template-based) ─── */
.post-header { margin-bottom: 2.5rem; }
.post-header h1 {
    font-size: 1.875rem;
    line-height: 1.35;
    margin-bottom: 0.75rem;
    font-weight: 800;
    letter-spacing: -0.035em;
}
.post-header .meta { color: var(--text-muted); font-size: 0.8125rem; font-weight: 500; }

.post-body h2 {
    font-size: 1.3rem; font-weight: 700;
    margin: 2.5rem 0 1rem; padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
    letter-spacing: -0.02em;
}
.post-body h3 { font-size: 1.1rem; font-weight: 600; margin: 1.5rem 0 0.75rem; }
.post-body p { margin-bottom: 1.25rem; }
.post-body img { max-width: 100%; height: auto; border-radius: 10px; margin: 1.5rem 0; }
.post-body blockquote {
    border-left: 2px solid var(--primary);
    padding: 12px 20px; margin: 1.5rem 0;
    background: var(--primary-light);
    border-radius: 0 10px 10px 0;
    font-size: 0.9375rem;
}
.post-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

/* ─── Footer ─── */
.site-footer {
    border-top: 1px solid var(--border-light);
    padding: 32px 24px;
    text-align: center;
    margin-top: 48px;
}
.site-footer .footer-logo {
    height: 14px;
    width: auto;
    opacity: 0.25;
    margin-bottom: 6px;
}
.site-footer .footer-copy {
    font-size: 0.6875rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
    .content { padding: 32px 20px; }
    .post-header h1 { font-size: 1.5rem; }
    .site-header .inner { padding: 0 20px; }
    .site-header .logo { font-size: 0.95rem; }
    .post-nav { padding: 12px 20px 0; }
}