/* ==========================================================================
   Blog styles. Layered on top of ../styles.css — inherits every design token
   (--clr-*, --glass-*, --font-*) so the blog and the portfolio stay in sync.
   ========================================================================== */

.blog-main {
    max-width: 820px;
    margin: 0 auto;
    padding: 8rem 1.5rem 4rem;
    position: relative;
    z-index: 1;
}

/* -------------------------------------------------------------- breadcrumb */

.breadcrumb {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--clr-text-secondary);
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.breadcrumb a {
    color: var(--clr-neon-cyan);
    text-decoration: none;
    transition: var(--transition-cyber);
}

.breadcrumb a:hover {
    text-shadow: var(--glow-cyan);
}

.breadcrumb [aria-current="page"] {
    color: var(--clr-text-secondary);
    /* Long post titles must not push the row off-screen. */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

/* -------------------------------------------------------------- blog index */

.blog-hero {
    margin-bottom: 3.5rem;
}

.blog-title {
    font-family: var(--font-cyber);
    font-size: clamp(2rem, 6vw, 3rem);
    line-height: 1.1;
    color: var(--clr-text-primary);
    margin: 0.75rem 0 1rem;
}

.blog-intro {
    color: var(--clr-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    max-width: 62ch;
}

.post-list {
    display: grid;
    gap: 1.25rem;
}

.post-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    transition: var(--transition-cyber);
}

.post-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-3px);
    box-shadow: var(--glow-cyan);
}

.post-card-link {
    display: block;
    padding: 1.75rem;
    text-decoration: none;
    color: inherit;
}

.post-card-date {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--clr-neon-cyan);
}

.post-card-title {
    font-size: 1.4rem;
    line-height: 1.3;
    margin: 0.6rem 0 0.75rem;
    color: var(--clr-text-primary);
}

.post-card-excerpt {
    color: var(--clr-text-secondary);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.post-card-more {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--clr-neon-purple);
}

.post-empty {
    color: var(--clr-text-secondary);
    font-family: var(--font-mono);
}

/* --------------------------------------------------------------- post page */

.post-header {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--glass-border);
}

.post-title {
    font-family: var(--font-cyber);
    font-size: clamp(1.85rem, 5vw, 2.75rem);
    line-height: 1.15;
    color: var(--clr-text-primary);
    margin-bottom: 1rem;
}

.post-meta {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--clr-text-secondary);
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    align-items: center;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.15rem;
}

.post-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    color: var(--clr-neon-cyan);
    border: 1px solid rgba(6, 182, 212, 0.28);
    background: rgba(6, 182, 212, 0.07);
}

/* Long-form reading column. */
.post-body {
    font-size: 1.075rem;
    line-height: 1.8;
    color: var(--clr-text-secondary);
}

.post-body > * + * {
    margin-top: 1.35rem;
}

.post-body h2 {
    font-family: var(--font-cyber);
    font-size: 1.5rem;
    line-height: 1.3;
    color: var(--clr-text-primary);
    margin-top: 2.75rem;
}

.post-body h3 {
    font-size: 1.2rem;
    color: var(--clr-text-primary);
    margin-top: 2rem;
}

.post-body strong {
    color: var(--clr-text-primary);
    font-weight: 600;
}

.post-body a {
    color: var(--clr-neon-cyan);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}

.post-body a:hover {
    color: var(--clr-neon-purple);
}

.post-body ul,
.post-body ol {
    padding-left: 1.35rem;
}

.post-body li + li {
    margin-top: 0.5rem;
}

.post-body blockquote {
    border-left: 2px solid var(--clr-neon-purple);
    padding-left: 1.25rem;
    font-style: italic;
    color: var(--clr-text-primary);
}

/* Attribution block — keeps the citation visually distinct from my analysis. */
.post-source {
    margin-top: 3rem;
    padding: 1.15rem 1.35rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--clr-text-secondary);
}

.post-source a {
    color: var(--clr-neon-cyan);
}

/* ---------------------------------------------------------- prev/next nav */

.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.post-nav-link {
    display: block;
    padding: 1rem 1.15rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--clr-text-primary);
    text-decoration: none;
    line-height: 1.45;
    transition: var(--transition-cyber);
}

.post-nav-link:hover {
    border-color: var(--glass-border-hover);
}

.post-nav-link.next {
    text-align: right;
}

.post-nav-link span {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--clr-neon-cyan);
    margin-bottom: 0.35rem;
}

@media (max-width: 640px) {
    .blog-main {
        padding-top: 6.5rem;
    }

    .post-nav {
        grid-template-columns: 1fr;
    }

    .post-nav-link.next {
        text-align: left;
    }
}