/* ═══════════════════════════════════════════════
   BLOG PAGE — Dedicated Editorial Stylesheet
   ═══════════════════════════════════════════════ */

/* ── Fixed Broadcast Header ── */
.blog-fixed-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    background: var(--port-surface);
    border-bottom: 1px solid var(--port-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.blog-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Offset body content so it doesn't hide behind the fixed header */
body:has(.blog-fixed-header) {
    padding-top: 60px;
}

/* Fallback for browsers not supporting :has() */
.blog-hero {
    padding-top: 20px;
}

/* ── Back Button ── */
.blog-back-btn {
    background: none;
    border: 1px solid var(--port-border);
    color: var(--port-text-muted);
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 8px;
    transition: all 0.25s ease;
}

.blog-back-btn:hover {
    color: var(--port-primary);
    border-color: var(--port-primary);
    background: rgba(59, 130, 246, 0.08);
}

/* ── Center Logo ── */
.blog-logo-center {
    display: flex;
    align-items: center;
    gap: 10px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.blog-logo-divider {
    width: 2px;
    height: 20px;
    background: var(--port-primary);
    border-radius: 2px;
}

.blog-logo-label {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--port-text);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ── Theme Toggle ── */
.blog-theme-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.4rem;
    padding: 4px;
}

/* ══════════════════════════════════════
   HERO SECTION
   ══════════════════════════════════════ */
.blog-hero {
    text-align: center;
    padding: 80px 24px 40px;
}

.blog-hero-inner {
    max-width: 700px;
    margin: 0 auto;
}

.blog-hero-title {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--port-text);
    margin: 0 0 12px;
    line-height: 1.15;
}

.blog-hero-sub {
    font-size: 1.15rem;
    color: var(--port-text-muted);
    margin: 0;
}

/* ══════════════════════════════════════
   CARD GRID
   ══════════════════════════════════════ */
.blog-grid-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 60px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.blog-card {
    background: var(--port-card-bg);
    border: 1px solid var(--port-card-border);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    cursor: default;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--port-primary);
}

.blog-card-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--port-primary);
    letter-spacing: 1.5px;
    margin-bottom: 10px;
}

.blog-card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--port-text);
    margin: 0 0 6px;
    line-height: 1.3;
}

.blog-card-date {
    font-size: 0.8rem;
    color: var(--port-text-muted);
    margin: 0 0 12px;
    font-weight: 400;
}

.blog-card-desc {
    font-size: 0.95rem;
    color: var(--port-text-muted);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

.blog-read-btn {
    align-self: flex-start;
    margin-top: 18px;
    background: none;
    border: 1px solid var(--port-primary);
    color: var(--port-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.blog-read-btn:hover {
    background: var(--port-primary);
    color: #fff;
}

/* ══════════════════════════════════════
   BACK TO TOP BUTTON
   ══════════════════════════════════════ */
.blog-btt {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--port-primary);
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
}

.blog-btt.visible {
    opacity: 1;
    pointer-events: auto;
}

.blog-btt:hover {
    transform: scale(1.1);
}

/* ══════════════════════════════════════
   ARTICLE READER VIEW
   ══════════════════════════════════════ */

/* Date line under the title */
.article-date {
    font-size: 0.9rem;
    color: var(--port-text-muted);
    margin-top: 12px;
    font-weight: 400;
}

/* ══════════════════════════════════════
   BLOG INDEX FOOTER (minimal)
   ══════════════════════════════════════ */
.blog-index-footer {
    border-top: 1px solid var(--port-border);
    padding: 32px 24px;
    text-align: center;
}

.blog-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.blog-footer-brand {
    font-size: 1.4rem;
    letter-spacing: 1px;
}

.blog-footer-copy {
    font-size: 0.85rem;
    color: var(--port-text-muted);
    margin: 0;
}

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 768px) {
    .blog-hero-title {
        font-size: 2.4rem;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .blog-logo-center {
        position: static;
        transform: none;
    }
    .blog-header-inner {
        gap: 10px;
    }
    .blog-footer-inner {
        flex-direction: column;
        gap: 12px;
    }
}