/* ==========================================================================
   Blog (templates/blog/post_list.html, post_detail.html)
   A plain reading list: graph-paper hero, category links, dated entries,
   and a single-column article with comments.
   ========================================================================== */

.blog-list {
    --blog-measure: none;
    padding-bottom: clamp(3rem, 8vw, 6rem);
}

.blog-list__hero {
    padding: clamp(3.5rem, 10vw, 7.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.blog-list__body {
    max-width: var(--blog-measure);
}

.blog-list__hero .container {
    position: relative;
}

.blog-list__hero h1 {
    font-size: clamp(2.75rem, 7vw, 5rem);
    line-height: 0.98;
    letter-spacing: -0.035em;
    margin: 0 0 1.5rem;
    color: var(--text-primary);
}

.blog-list__lede {
    max-width: 52ch;
    margin: 0;
    font-size: clamp(1.1rem, 1.8vw, 1.35rem);
    line-height: 1.6;
    color: var(--text-secondary);
}

.blog-list__body {
    padding-top: clamp(1.75rem, 4vw, 2.75rem);
}

/* ---------- Category links ---------- */

.blog-list__filters ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    margin: 0 0 1.75rem;
    padding: 0;
}

.blog-list__filters a {
    display: inline-flex;
    align-items: center;
    min-height: 2.5rem;
    padding: 0 1.1rem;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: 999px;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.blog-list__filters a:hover {
    color: var(--text-primary);
    text-decoration: none;
    border-color: var(--jg-accent);
}

.blog-list__filters a[aria-current="page"] {
    color: var(--text-primary);
    background: var(--jg-stage-tint);
    border-color: var(--jg-accent);
}

/* ---------- Entries: landing-style cards, the newest one wide ---------- */

.blog-list__posts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.blog-list__posts > li:first-child {
    grid-column: 1 / -1;
}

@media (min-width: 1100px) {
    .blog-list__posts {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.blog-entry {
    position: relative;
    display: flex;
    flex-direction: column-reverse;
    height: 100%;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 24px;
    box-shadow: 0 1px 2px rgba(14, 27, 44, 0.05);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease;
}

.blog-entry:hover {
    box-shadow: 0 24px 40px -24px rgba(14, 27, 44, 0.45);
    transform: translateY(-4px);
}

.blog-list__posts > li:first-child .blog-entry {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
}

.blog-entry__text {
    padding: 1.4rem 1.5rem 1.6rem;
}

.blog-list__posts > li:first-child .blog-entry__text {
    align-self: center;
    padding: 2rem 2.25rem;
}

.blog-entry__cover {
    position: relative;
    display: grid;
    place-items: end start;
    aspect-ratio: 16 / 9;
    padding: 1.25rem 1.5rem;
    overflow: hidden;
    background:
        linear-gradient(color-mix(in srgb, var(--tone-ink) 8%, transparent) 1px, transparent 1px) 0 0 / 22px 22px,
        linear-gradient(90deg, color-mix(in srgb, var(--tone-ink) 8%, transparent) 1px, transparent 1px) 0 0 / 22px 22px,
        var(--tone);
}

.blog-list__posts > li:first-child .blog-entry__cover {
    aspect-ratio: auto;
    min-height: 16rem;
}

.blog-entry__cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.blog-entry:hover .blog-entry__cover img {
    transform: scale(1.04);
}

.blog-entry__label {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 1.1rem + 1.6vw, 2.4rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.035em;
    color: var(--tone-ink);
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.blog-entry:hover .blog-entry__label {
    transform: translateY(-4px);
}

.blog-entry__meta {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 0 0.5rem;
    margin: 0 0 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.blog-entry__meta a {
    color: var(--tone-ink);
    font-weight: 600;
}

.blog-entry__meta a:hover {
    color: var(--text-primary);
}

.blog-entry__title {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 1rem + 0.8vw, 1.5rem);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.5rem;
}

.blog-list__posts > li:first-child .blog-entry__title {
    font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.25rem);
}

.blog-entry__title a {
    color: var(--text-primary);
}

/* The title link covers the whole card */
.blog-entry__title a::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
}

.blog-entry__title a:hover {
    color: var(--text-primary);
    text-decoration: none;
}

.blog-entry:hover .blog-entry__title a {
    color: var(--tone-ink);
}

.blog-entry__excerpt {
    max-width: 60ch;
    margin: 0;
    line-height: 1.6;
    color: var(--text-secondary);
}

.blog-entry:has(.blog-entry__title a:focus-visible) {
    outline: 3px solid var(--brand-primary);
    outline-offset: 3px;
}

@media (max-width: 720px) {
    .blog-list__posts {
        grid-template-columns: minmax(0, 1fr);
    }

    .blog-list__posts > li:first-child .blog-entry {
        display: flex;
    }

    .blog-list__posts > li:first-child .blog-entry__cover {
        min-height: 0;
        aspect-ratio: 16 / 9;
    }

    .blog-list__posts > li:first-child .blog-entry__text {
        padding: 1.4rem 1.5rem 1.6rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .blog-entry,
    .blog-entry__cover img,
    .blog-entry__label {
        transition: none;
    }

    .blog-entry:hover {
        transform: none;
    }
}

/* ---------- Pagination and empty state ---------- */

.blog-list__pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.blog-list__pagination a {
    font-weight: 600;
    color: var(--brand-primary);
}

.blog-list__empty {
    padding: clamp(2rem, 5vw, 3.5rem) 0;
    max-width: 60ch;
}

.blog-list__empty h2 {
    font-size: clamp(1.75rem, 3.4vw, 2.75rem);
    line-height: 1.05;
    letter-spacing: -0.025em;
    font-weight: 700;
    margin: 0 0 0.75rem;
    color: var(--text-primary);
}

.blog-list__empty p {
    margin: 0;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.blog-list__empty a {
    color: var(--brand-primary);
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

.blog-list a:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ==========================================================================
   Post
   ========================================================================== */

.blog-post {
    --post-measure: 42rem;
    padding-bottom: clamp(3rem, 8vw, 6rem);
}

.blog-post__head {
    padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(1.5rem, 4vw, 2.5rem);
}

.blog-post__head .container > *,
.blog-post__hero,
.blog-post__content,
.blog-post__foot,
.blog-post__section {
    max-width: var(--post-measure);
    margin-left: auto;
    margin-right: auto;
}

.blog-post__crumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.blog-post__crumbs a {
    color: var(--text-secondary);
    font-weight: 500;
}

.blog-post__crumbs a:hover {
    color: var(--brand-primary);
}

.blog-post__title {
    margin: 0 0 1rem;
    font-size: clamp(2.1rem, 1.5rem + 2.6vw, 3.4rem);
    line-height: 1.05;
    letter-spacing: -0.035em;
    color: var(--text-primary);
}

.blog-post__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0 0.5rem;
    margin: 0;
    color: var(--text-muted);
}

.blog-post__hero {
    margin-bottom: 2rem;
    overflow: hidden;
    border: 1px solid var(--border-light);
    border-radius: 14px;
}

.blog-post__hero img {
    display: block;
    width: 100%;
    height: auto;
}

/* Article body: comfortable measure and size for long reads */
.blog-post__content {
    font-size: 1.125rem;
    line-height: 1.75;
    color: var(--text-secondary);
}

.blog-post__content > * + * {
    margin-top: 1.1em;
}

.blog-post__content p,
.blog-post__content ul,
.blog-post__content ol {
    margin-bottom: 0;
}

.blog-post__content h2,
.blog-post__content h3 {
    margin: 2em 0 0;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.blog-post__content h2 { font-size: 1.6rem; }
.blog-post__content h3 { font-size: 1.25rem; }

.blog-post__content h2 + *,
.blog-post__content h3 + * {
    margin-top: 0.6em;
}

.blog-post__content ul,
.blog-post__content ol {
    padding-left: 1.3em;
}

.blog-post__content li + li {
    margin-top: 0.35em;
}

.blog-post__content a {
    color: var(--brand-primary);
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

.blog-post__content blockquote {
    margin-left: 0;
    padding-left: 1.1rem;
    border-left: 3px solid var(--brand-primary);
    color: var(--text-primary);
    font-style: italic;
}

.blog-post__content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.blog-post__content pre,
.blog-post__content code {
    font-size: 0.9em;
    background: var(--bg-secondary);
    border-radius: 6px;
}

.blog-post__content pre {
    padding: 1rem;
    overflow-x: auto;
}

.blog-post__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-light);
}

.blog-post__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.blog-post__tags a,
.blog-post__share a,
.blog-post__share button {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--border-medium);
    border-radius: 999px;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
}

.blog-post__tags a:hover,
.blog-post__share a:hover,
.blog-post__share button:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

.blog-post__share {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
}

.blog-post__share > span {
    margin-right: 0.2rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.blog-post__section {
    margin-top: clamp(2.5rem, 6vw, 4rem);
}

.blog-post__section > h2 {
    margin: 0 0 1rem;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.blog-post__related {
    margin: 0;
    padding: 0;
    list-style: none;
}

.blog-post__related li {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.25rem 1rem;
    padding: 0.75rem 0;
    border-top: 1px solid var(--border-light);
}

.blog-post__related a {
    font-weight: 600;
    color: var(--text-primary);
}

.blog-post__related a:hover {
    color: var(--brand-primary);
}

.blog-post__related time {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Comments */
.blog-comments__none {
    color: var(--text-muted);
}

.blog-comment {
    padding: 1rem 0;
    border-top: 1px solid var(--border-light);
}

.blog-comment--reply {
    margin-left: 1.5rem;
}

.blog-comment__who {
    margin: 0 0 0.25rem;
    color: var(--text-primary);
}

.blog-comment__who span {
    margin-left: 0.35rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.blog-comment__text {
    margin: 0 0 0.4rem;
    color: var(--text-secondary);
}

.blog-comment__reply {
    padding: 0;
    border: 0;
    background: none;
    color: var(--brand-primary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
}

.blog-form {
    display: grid;
    gap: 0.9rem;
    margin-top: 1.5rem;
    padding: 1.25rem;
    border: 1px solid var(--border-medium);
    border-radius: 14px;
    background: var(--bg-card);
}

.blog-form--reply {
    margin-top: 0.75rem;
    padding: 1rem;
}

.blog-form h3 {
    margin: 0;
    font-size: 1.15rem;
    color: var(--text-primary);
}

.blog-form label {
    display: grid;
    gap: 0.35rem;
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.blog-form input,
.blog-form textarea {
    width: 100%;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--input-border);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text-primary);
    font: inherit;
    font-weight: 400;
}

.blog-form input:focus,
.blog-form textarea:focus {
    outline: 2px solid var(--brand-primary);
    outline-offset: 1px;
    border-color: transparent;
}

.blog-form__row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    gap: 0.9rem;
}

.blog-form__trap {
    position: absolute;
    left: -9999px;
}

.blog-form__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.blog-form__actions small {
    color: var(--text-muted);
}

.blog-form__submit {
    justify-self: start;
    padding: 0.6rem 1.3rem;
    border: 0;
    border-radius: 999px;
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    font-weight: 600;
    cursor: pointer;
}

.blog-form__submit:hover {
    background: var(--brand-primary-strong);
}

.blog-post a:focus-visible,
.blog-post button:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
}