/* =========================================================
   SyncPhoto | Blog Article Styles
   ========================================================= */

:root {
    --indigo: #4f46e5;
    --indigo-dark: #4338ca;
    --indigo-light: #eef2ff;
    --ink: #0f172a;
    --slate: #64748b;
    --border: #e2e8f0;
    --green: #16a34a;
    --bg-alt: #f8fafc;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--ink);
    background: #fff;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

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

/* ---------- Top bar ---------- */
.blog-topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.blog-topbar-inner {
    max-width: 760px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.blog-logo {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-weight: 700;
    font-size: 1.05rem;
}

.blog-logo i {
    color: var(--indigo);
    font-size: 1.15rem;
}

.blog-back {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--slate);
    transition: color 0.2s;
}

.blog-back:hover {
    color: var(--indigo);
}

/* ---------- Layout ---------- */
.blog-main {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px 24px 64px;
}

.blog-cat {
    display: inline-block;
    background: var(--indigo-light);
    color: var(--indigo);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 5px 12px;
    border-radius: 999px;
    margin-bottom: 16px;
}

.blog-head h1 {
    font-size: clamp(1.7rem, 4.5vw, 2.4rem);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 14px;
}

.blog-meta {
    color: var(--slate);
    font-size: 0.9rem;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.blog-meta .author {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ink);
    font-weight: 600;
}

.blog-meta .avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(120deg, #312e81, #4f46e5);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    display: grid;
    place-items: center;
}

/* ---------- Body ---------- */
.blog-body {
    margin-top: 32px;
    font-size: 1.02rem;
}

.blog-body p {
    margin-bottom: 20px;
    color: #1e293b;
}

.blog-body h2 {
    font-size: 1.4rem;
    font-weight: 800;
    margin: 40px 0 14px;
    line-height: 1.35;
}

.blog-body h3 {
    font-size: 1.13rem;
    font-weight: 700;
    margin: 28px 0 10px;
}

.blog-body ul,
.blog-body ol {
    margin: 0 0 20px 0;
    padding-left: 24px;
    color: #1e293b;
}

.blog-body li {
    margin-bottom: 10px;
}

.blog-body strong {
    color: var(--ink);
}

.blog-body a {
    color: var(--indigo);
    font-weight: 600;
    border-bottom: 1px solid transparent;
}

.blog-body a:hover {
    border-bottom-color: var(--indigo);
}

.blog-body code {
    background: var(--indigo-light);
    padding: 2px 7px;
    border-radius: 6px;
    font-size: 0.9em;
}

/* Inline callout / note boxes */
.blog-note {
    background: var(--indigo-light);
    border-left: 4px solid var(--indigo);
    border-radius: 10px;
    padding: 16px 18px;
    margin: 24px 0;
    font-size: 0.96rem;
    color: #1e293b;
}

.blog-note.warn {
    background: #fffbeb;
    border-left-color: #f59e0b;
}

.blog-note p {
    margin: 0;
}

/* Step list */
.blog-steps {
    counter-reset: step;
    list-style: none;
    padding-left: 0;
}

.blog-steps > li {
    counter-increment: step;
    position: relative;
    padding-left: 48px;
    margin-bottom: 22px;
}

.blog-steps > li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 2px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--indigo);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    display: grid;
    place-items: center;
}

/* ---------- TOC ---------- */
.blog-toc {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 22px;
    margin: 24px 0 32px;
}

.blog-toc h3 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--slate);
    margin-bottom: 10px;
}

.blog-toc a {
    display: block;
    padding: 5px 0;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ink);
}

.blog-toc a:hover {
    color: var(--indigo);
}

/* ---------- CTA ---------- */
.blog-cta {
    margin-top: 48px;
    background: linear-gradient(120deg, #312e81, #4f46e5, #7c3aed);
    border-radius: 18px;
    padding: 36px 32px;
    color: #fff;
    text-align: center;
}

.blog-cta h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.blog-cta p {
    color: #c7d2fe;
    margin-bottom: 22px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.blog-cta .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: #fff;
    color: var(--indigo);
    font-weight: 700;
    padding: 13px 26px;
    border-radius: 999px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.blog-cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

/* ---------- Related ---------- */
.related {
    margin-top: 40px;
    border-top: 1px solid var(--border);
    padding-top: 28px;
}

.related h3 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--slate);
    margin-bottom: 14px;
}

.related a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 0.97rem;
    transition: border-color 0.2s, background 0.2s;
}

.related a:hover {
    border-color: var(--indigo);
    background: var(--bg-alt);
}

.related a i {
    color: var(--indigo);
    flex-shrink: 0;
}

/* ---------- Footer ---------- */
.blog-footer {
    text-align: center;
    color: var(--slate);
    font-size: 0.85rem;
    padding: 28px 24px;
    border-top: 1px solid var(--border);
}

.blog-footer a {
    color: var(--indigo);
    font-weight: 600;
}

@media (max-width: 520px) {
    .blog-main {
        padding-top: 28px;
    }
    .blog-cta {
        padding: 28px 20px;
    }
}