/* ============================================================
   AxoHabit blog styles
   Layered on top of /css/main.css. Only loaded by blog layouts.
   Do NOT style anything in main.css from here; keep them independent.
   ============================================================ */

/* ---------- breadcrumbs ---------- */
.breadcrumbs {
    font-size: 0.85rem;
    color: var(--ink-muted);
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
}
.breadcrumbs a { color: var(--ink-soft); }
.breadcrumbs span[aria-current="page"] {
    color: var(--ink);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 20ch;
}

/* ---------- pillar badges ---------- */
.pillar-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background: var(--bg-alt);
    color: var(--brand-deep);
    border: 1px solid var(--border);
}
.pillar-badge.pillar-screentime-science { background: #E8F2FF; color: #1F4E8C; border-color: #CFE2FB; }
.pillar-badge.pillar-habit-formation     { background: #E8F7E8; color: #2D6E2D; border-color: #CDE9CD; }
.pillar-badge.pillar-app-comparison      { background: #FFF1E8; color: #B04A1C; border-color: #FBD9BE; }

/* ---------- blog index ---------- */
.blog-header {
    text-align: center;
    padding: 2rem 0 3rem;
    max-width: 42rem;
    margin: 0 auto;
}
.blog-header h1 {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}
.blog-lede {
    font-size: clamp(1rem, 2.2vw, 1.15rem);
    color: var(--ink-soft);
    margin: 0;
}
.blog-empty {
    text-align: center;
    color: var(--ink-muted);
    padding: 3rem 0;
    font-style: italic;
    grid-column: 1 / -1;
}
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.75rem;
    padding-bottom: 3rem;
    max-width: 72rem;
    margin: 0 auto;
}

/* ---------- post card ---------- */
.post-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.post-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(239,108,74,0.12);
}
.post-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
}
.post-card__link:hover {
    text-decoration: none;
}
.post-card__image {
    aspect-ratio: 16 / 9;
    background: var(--bg-alt);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.post-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.post-card__image--placeholder {
    background: linear-gradient(135deg, var(--bg-alt), #FFE9D6);
}
.post-card__emoji {
    font-size: 3rem;
    opacity: 0.7;
}
.post-card__body {
    padding: 1.25rem 1.4rem 1.4rem;
}
.post-card__title {
    font-size: 1.25rem;
    margin: 0.6rem 0 0.5rem;
    line-height: 1.25;
    letter-spacing: -0.01em;
}
.post-card__desc {
    color: var(--ink-soft);
    margin: 0 0 1rem;
    font-size: 0.95rem;
    line-height: 1.5;
}
.post-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--ink-muted);
}
.post-card__cta {
    color: var(--brand-deep);
    font-weight: 600;
}

/* ---------- individual post ---------- */
.post {
    max-width: 42rem;
    margin: 0 auto;
    padding: 1rem 0;
}
.post-header {
    text-align: left;
    margin-bottom: 2rem;
}
.post-header .pillar-badge { margin-bottom: 1rem; }
.post-header h1 {
    font-size: clamp(2rem, 5.5vw, 3rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 1rem;
    text-align: left;
}
.post-lede {
    font-size: clamp(1.05rem, 2.2vw, 1.2rem);
    color: var(--ink-soft);
    line-height: 1.55;
    margin: 0 0 1.25rem;
}
.post-meta {
    font-size: 0.88rem;
    color: var(--ink-muted);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 0.85rem 0;
}
.post-updated { color: var(--ink-muted); }

.post-hero {
    margin: 0 0 2.5rem;
}
.post-hero img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* ---------- post body prose ---------- */
.post-body {
    font-size: 1.075rem;
    line-height: 1.72;
    color: var(--ink);
}
.post-body > * + * { margin-top: 1.1rem; }
.post-body h2 {
    font-size: 1.6rem;
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
    line-height: 1.25;
    letter-spacing: -0.015em;
    text-align: left;
}
.post-body h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}
.post-body h4 {
    font-size: 1.05rem;
    margin-top: 1.5rem;
    margin-bottom: 0.4rem;
}
.post-body p {
    margin: 0 0 1rem;
}
.post-body ul, .post-body ol {
    padding-left: 1.4rem;
    margin: 1rem 0;
}
.post-body li {
    margin: 0.35rem 0;
}
.post-body blockquote {
    border-left: 4px solid var(--brand);
    padding: 0.6rem 0 0.6rem 1.2rem;
    margin: 1.5rem 0;
    color: var(--ink-soft);
    font-style: italic;
    background: var(--bg-alt);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.post-body blockquote p { margin: 0; }
.post-body code {
    background: var(--bg-alt);
    padding: 0.15rem 0.4rem;
    border-radius: 6px;
    font-size: 0.92em;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    border: 1px solid var(--border);
}
.post-body pre {
    background: #1A1A1A;
    color: #F5F5F5;
    padding: 1rem 1.2rem;
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.55;
    margin: 1.5rem 0;
}
.post-body pre code {
    background: transparent;
    border: 0;
    padding: 0;
    color: inherit;
}
.post-body a {
    color: var(--brand-deep);
    text-decoration: underline;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 2px;
}
.post-body img {
    border-radius: var(--radius);
    margin: 1.5rem auto;
    max-width: 100%;
    height: auto;
    box-shadow: var(--shadow);
}
.post-body hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 2.5rem 0;
}
.post-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}
.post-body table th, .post-body table td {
    padding: 0.6rem 0.8rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.post-body table th {
    font-weight: 600;
    background: var(--bg-alt);
}
.post-body table tr:last-child td {
    border-bottom: 0;
}

/* ---------- tags & back ---------- */
.post-tags {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.88rem;
}
.post-tags__label {
    color: var(--ink-muted);
    margin-right: 0.25rem;
}
.tag {
    background: var(--bg-alt);
    color: var(--ink-soft);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.8rem;
    border: 1px solid var(--border);
}
.post-back {
    margin: 2rem 0 1rem;
    font-size: 0.95rem;
}

/* ---------- post final CTA ---------- */
.post-final-cta {
    text-align: center;
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
    padding: 3rem 1.5rem;
    margin: 4rem auto 3rem;
    max-width: 42rem;
}
.post-final-cta h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin: 0 0 0.75rem;
}
.post-final-cta p {
    color: var(--ink-soft);
    max-width: 32rem;
    margin: 0 auto 1.5rem;
}

/* ---------- breakpoints ---------- */
@media (min-width: 680px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 980px) {
    .blog-grid { grid-template-columns: repeat(3, 1fr); }
    .post { padding: 2rem 0; }
}