/* ============================================================
   BLOG — Insights & News
   Matches main site theme (Plus Jakarta Sans, blue, card UI)
   ============================================================ */

/* ── FEATURED POST CARD ────────────────────────────────────── */
.blog-featured {
    margin-bottom: 12px;
}
.blog-featured-link {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 0;
    background: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid #e8edf3;
    text-decoration: none;
    color: inherit;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.blog-featured-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 28px 56px rgba(10, 22, 40, 0.12);
}
.blog-featured-img {
    aspect-ratio: 5/4;
    overflow: hidden;
    background: var(--primary-light);
    position: relative;
}
.blog-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.blog-featured-link:hover .blog-featured-img img { transform: scale(1.04); }
.blog-featured-body {
    padding: 56px 56px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.blog-featured-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
}
.blog-featured-badge {
    background: var(--primary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 5px 12px;
    border-radius: 100px;
}
.blog-featured-title {
    font-size: clamp(1.75rem, 2.6vw, 2.5rem);
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 18px;
}
.blog-featured-excerpt {
    font-size: 1.0625rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 28px;
}
.blog-featured-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 24px;
}
.blog-card-sep { color: #cbd5e1; }
.blog-featured-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.95rem;
    transition: gap 0.25s ease;
}
.blog-featured-link:hover .blog-featured-cta { gap: 12px; }

/* ── POSTS GRID ────────────────────────────────────────────── */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.blog-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid #e8edf3;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(10, 22, 40, 0.10);
}
.blog-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}
.blog-card-img {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--primary-light);
    position: relative;
}
.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.blog-card:hover .blog-card-img img { transform: scale(1.05); }
.blog-card-cat-overlay {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(10, 22, 40, 0.85);
    color: #fff;
    backdrop-filter: blur(8px);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 6px 12px;
    border-radius: 100px;
}
.blog-card-body {
    padding: 28px 24px 24px;
}
.blog-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
    min-height: 3.25em;
}
.blog-card-excerpt {
    font-size: 0.925rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 20px;
}
.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid #e8edf3;
}
.blog-card-date {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
}
.blog-card-cat {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 5px 10px;
    border-radius: 100px;
}
.blog-card-arrow {
    color: var(--primary);
    display: flex;
    align-items: center;
    transition: transform 0.25s ease;
}
.blog-card:hover .blog-card-arrow { transform: translateX(4px); }

/* ── PLACEHOLDER FOR MISSING IMAGES ────────────────────────── */
.blog-img-placeholder {
    width: 100%;
    height: 100%;
    background:
        repeating-linear-gradient(135deg, transparent 0 10px, rgba(0,93,170,0.04) 10px 20px),
        linear-gradient(135deg, var(--primary-light) 0%, #d8e6f5 100%);
    position: relative;
}
.blog-img-placeholder::after {
    content: 'AURA';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(0, 93, 170, 0.18);
    letter-spacing: 0.3em;
}

/* ── EMPTY STATE ───────────────────────────────────────────── */
.blog-empty {
    text-align: center;
    padding: 80px 20px;
    max-width: 560px;
    margin: 0 auto;
}
.blog-empty h2 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 14px;
}
.blog-empty p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 28px;
}

/* ============================================================
   SINGLE POST PAGE
   ============================================================ */

/* ── POST HERO ─────────────────────────────────────────────── */
.post-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #001a3d 100%);
    padding: 100px 0 80px;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.post-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}
.post-hero-inner { position: relative; z-index: 1; max-width: 920px; }
.post-hero .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 28px;
}
.post-hero .breadcrumb a { color: rgba(255,255,255,0.7); text-decoration: none; }
.post-hero .breadcrumb a:hover { color: #fff; }
.post-hero .breadcrumb svg { opacity: 0.5; }

.post-category {
    display: inline-block;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 24px;
}
.post-title {
    color: #fff;
    font-size: clamp(2rem, 4.2vw, 3.25rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 22px;
}
.post-excerpt {
    font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
    color: rgba(255,255,255,0.82);
    line-height: 1.6;
    margin-bottom: 36px;
    max-width: 780px;
}
.post-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.post-meta-item { display: flex; flex-direction: column; gap: 2px; }
.post-meta-label {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
}
.post-meta-value {
    font-size: 0.95rem;
    color: #fff;
    font-weight: 600;
}
.post-meta-sep {
    width: 1px;
    height: 28px;
    background: rgba(255,255,255,0.2);
}

/* ── FEATURED IMAGE ────────────────────────────────────────── */
.post-featured {
    background: var(--bg-gray);
    padding: 40px 0;
}
.post-featured img {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    display: block;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 56px rgba(10, 22, 40, 0.18);
    aspect-ratio: 16/9;
    object-fit: cover;
}

/* ── ARTICLE BODY ──────────────────────────────────────────── */
.post-body {
    padding: 80px 0 60px;
    background: var(--bg);
}
.post-content {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.0625rem;
    line-height: 1.85;
    color: #1f2937;
}
.post-content > p:first-child::first-letter {
    /* subtle drop cap on first paragraph */
    font-size: 3.5rem;
    line-height: 1;
    float: left;
    margin: 6px 12px 0 0;
    color: var(--primary);
    font-weight: 700;
}
.post-content h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 56px 0 16px;
    letter-spacing: -0.015em;
    line-height: 1.25;
}
.post-content h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 40px 0 12px;
    letter-spacing: -0.01em;
}
.post-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 32px 0 10px;
}
.post-content p { margin-bottom: 22px; }
.post-content a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-color: rgba(0, 93, 170, 0.3);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.2s ease;
}
.post-content a:hover { text-decoration-color: var(--primary); }
.post-content strong { color: var(--text-dark); font-weight: 700; }
.post-content em { color: var(--text-dark); }
.post-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--bg-gray);
    padding: 24px 28px;
    margin: 32px 0;
    font-size: 1.125rem;
    font-style: italic;
    color: var(--text-dark);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.post-content blockquote p:last-child { margin-bottom: 0; }
.post-content ul,
.post-content ol {
    padding-left: 28px;
    margin-bottom: 22px;
}
.post-content ul li,
.post-content ol li { margin-bottom: 8px; }
.post-content ul li::marker { color: var(--primary); }
.post-content code {
    background: var(--bg-gray);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--primary-dark);
    font-family: 'SF Mono', Menlo, monospace;
}
.post-content pre {
    background: var(--bg-dark);
    color: #e2e8f0;
    padding: 20px 24px;
    border-radius: var(--radius);
    overflow-x: auto;
    margin-bottom: 22px;
    font-size: 0.9rem;
    line-height: 1.6;
}
.post-content pre code { background: transparent; padding: 0; color: inherit; }
.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 28px 0;
}
.post-content hr {
    border: none;
    height: 1px;
    background: #e8edf3;
    margin: 48px 0;
}

/* ── POST FOOTER META ──────────────────────────────────────── */
.post-footer-meta {
    max-width: 720px;
    margin: 48px auto 0;
    padding-top: 32px;
    border-top: 1px solid #e8edf3;
}
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.post-tag {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 100px;
}

/* ── POST CTA ──────────────────────────────────────────────── */
.post-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}
.post-cta h2 {
    color: #fff;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}
.post-cta h2 .text-accent { color: #FFD580; }
.post-cta p {
    color: rgba(255,255,255,0.85);
    font-size: 1.0625rem;
    margin-bottom: 32px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}
.post-cta .cta-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.post-cta .btn-outline-product {
    border-color: rgba(255,255,255,0.35);
    color: #fff;
}
.post-cta .btn-outline-product:hover {
    background: #fff;
    color: var(--primary);
}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .blog-featured-link { grid-template-columns: 1fr; }
    .blog-featured-body { padding: 40px 32px; }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .blog-grid { grid-template-columns: 1fr; }
    .post-body { padding: 50px 0 30px; }
    .post-content > p:first-child::first-letter { font-size: 2.75rem; }
}