*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--bg);
    font-family: var(--font-sans);
}

img, svg, video {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

code, kbd, pre {
    font-family: var(--font-mono);
}

.container {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

header.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    backdrop-filter: saturate(180%) blur(10px);
    transition: transform .3s ease;
    box-shadow: var(--shadow-header);
    -webkit-backdrop-filter: saturate(180%) blur(10px);
    backdrop-filter: saturate(180%) blur(10px);
}

.site-header__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding-block: var(--space-4);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    letter-spacing: .2px;
}

.brand__logo {
    display: inline-block;
    width: var(--logo-size);
    height: var(--logo-size);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

nav.primary-nav {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    flex-wrap: wrap;
}

nav.primary-nav a {
    color: var(--text);
    padding: .4rem .6rem;
    border-radius: 8px;
}

nav.primary-nav a[aria-current="page"], nav.primary-nav a:hover {
    background: var(--accent-10);
    text-decoration: none;
}

.hero {
    background: linear-gradient(180deg, var(--hero-grad-top), var(--hero-grad-bot));
    border-bottom: 1px solid var(--border);
}

.hero__inner {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: var(--space-7);
    padding-bottom: 40px;
}

@media (max-width: 900px) {
    .hero__inner {
        grid-template-columns: 1fr;
    }
}

.hero__title {
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
    margin: 0 0 .5rem 0;
    letter-spacing: 1px;
}

.hero__lead {
    color: var(--muted);
    margin: 0 0 var(--space-6) 0;
    letter-spacing: var(--tracking);
    line-height: 23px;
}

.hero__figure {
    margin: 14px 0;
    border-radius: 12px;
    overflow: hidden;
}

main {
    padding-block: var(--space-7);
}

footer.site-footer {
    border-top: 1px solid var(--border);
    background: var(--surface);
    margin-top: var(--space-8);
}

.site-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding-block: var(--space-6);
    color: var(--muted);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem .9rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    text-decoration: none;
    line-height: 1;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    transition: transform .02s ease-in, background .15s ease, border-color .15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

.btn:focus-visible {
    outline: 3px solid var(--accent-50);
    outline-offset: 2px;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
    border-color: transparent;
}

.btn--primary:hover {
    background: var(--accent-600);
}

.btn--soft {
    background: var(--accent-10);
    color: var(--accent);
    border-color: transparent;
}

.btn--muted {
    color: var(--muted);
    background: #fff;
}

.section {
    margin-block: var(--space-7);
}

.grid {
    display: grid;
    gap: var(--space-6);
}

.grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 992px) {
    .hero__figure img, .hero__img {
        width: 100%;
        height: auto;
        display: block;
        max-width: 300px;
        max-height: 300px;
        border-radius: 22px;
        margin-left: auto;
    }

    .meta-line {
        display: flex;
        gap: .75rem;
        flex-wrap: wrap;
    }
}

@media (max-width: 991px) {
    .hero__figure img, .hero__img {
        width: 100%;
        height: auto;
        display: block;
        max-width: 300px;
        max-height: 300px;
        border-radius: 22px;
        margin-left: auto;
        margin-right: auto;
    }

    .grid--3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .meta-line {
        display: flex;
        gap: 0.25rem;
        flex-wrap: wrap;
    }
}

.card__meta {
    color: var(--muted);
    font-size: .95rem;
}

@media (max-width: 640px) {
    .grid--3, .grid--2 {
        grid-template-columns: 1fr;
    }
}

.stack-lg>*+* {
    margin-top: var(--space-6);
}

.stack-md>*+* {
    margin-top: var(--space-4);
}

.center {
    text-align: center;
}

.mt-0 {
    margin-top: 0;
}

.mb-0 {
    margin-bottom: 0;
}

.muted {
    color: var(--muted);
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card__media img {
    width: 100%;
    height: auto;
    display: block;
}

.card__body {
    padding: var(--space-5);
}

.card__title {
    margin: 0 0 .25rem 0;
    font-size: 1.125rem;
    line-height: 1.3;
}

.card .card__media img {
    max-height: 200px;
    min-height: 200px;
    object-fit: cover;
}

#post {
    margin-top: 0;
}

.post__text {
    font-size: 14px;
    line-height: 23px;
    font-weight: 500;
    font-size: clamp(1rem, 0.98rem + 0.4vw, 1.0625rem);
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
}

.prose {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(1rem, 2vw, 2rem);
    box-shadow: var(--shadow-sm);
    letter-spacing: var(--tracking);
    line-height: 23px;
}

.prose h2:first-child {
    margin-top: 0;
}

.prose h1, .prose h2, .prose h3, .prose h4 {
    line-height: 1.25;
    margin-top: 1.6em;
    margin-bottom: .6em;
}

.prose h1 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    margin-top: 0;
}

.prose h2 {
    font-size: clamp(1.4rem, 2.4vw, 1.8rem);
}

.prose h3 {
    font-size: clamp(1.2rem, 2vw, 1.35rem);
}

.prose p {
    margin: .9em 0;
}

.prose ul, .prose ol {
    padding-left: 1.2em;
    margin: .9em 0;
}

.prose li {
    margin: .25em 0;
}

.prose a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.prose blockquote {
    margin: 1.2em 0;
    padding: .9em 1em;
    border-left: 4px solid var(--accent);
    background: #fff;
    border-radius: var(--radius-sm);
}

.prose img {
    border-radius: 12px;
    border: 1px solid var(--border);
}

.prose figure {
    margin: 1.2em 0;
}

.prose figcaption {
    color: var(--muted);
    font-size: .95rem;
    margin-top: .4rem;
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.2em 0;
    font-size: .95rem;
    overflow: auto;
    display: block;
}

.prose th, .prose td {
    border: 1px solid var(--border);
    padding: .6rem .7rem;
    text-align: left;
}


.prose pre {
    background: #0f172a0a;
    border: 1px solid var(--border);
    padding: .9rem;
    border-radius: var(--radius-md);
    overflow: auto;
}

.prose code {
    background: #0f172a0a;
    padding: .15em .35em;
    border-radius: 6px;
}

.prose h2, .prose h3, .prose h4 {
    scroll-margin-top: var(--sticky-offset);
}

.media {
    display: flex;
    gap: var(--space-4);
    align-items: center;
}

.media__avatar {
    width: 48px;
    height: 48px;
    border-radius: 999px;
    background: #f1f5f9;
    border: 1px solid var(--border);
    overflow: hidden;
    flex: 0 0 48px;
}

.media__meta {
    color: var(--muted);
    font-size: .95rem;
}

.alert {
    padding: .9rem 1rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
}

.alert--success {
    border-color: #bbf7d0;
    background: #ecfdf5;
}

.alert--warning {
    border-color: #fde68a;
    background: #fffbeb;
}

.alert--danger {
    border-color: #fecaca;
    background: #fff1f2;
}

.badge {
    display: inline-block;
    padding: .2rem .5rem;
    border-radius: 999px;
    background: var(--accent-10);
    color: var(--accent);
    font-weight: 600;
    font-size: .8rem;
}

.field {
    display: grid;
    gap: .35rem;
}

.field label {
    font-weight: 600;
    font-size: .95rem;
}

.input {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: .6rem .75rem;
    background: #fff;
}

.input:focus {
    outline: 3px solid var(--accent-50);
    outline-offset: 2px;
    border-color: transparent;
}

.pager {
    display: flex;
    gap: .4rem;
    flex-wrap: wrap;
    align-items: center;
    color: var(--muted);
}

.pager a, .pager span {
    border: 1px solid var(--border);
    background: #fff;
    padding: .4rem .6rem;
    border-radius: 8px;
}

.pager .is-current {
    background: var(--accent);
    color: #fff;
    border-color: transparent;
}

.pagination {
    margin-top: 40px;
}

.authors-section {
    width: 100%;
    margin-top: 30px;
    margin-bottom: 0;
}

.meta-sep {
    opacity: .6;
}

.authors-grid {
    display: grid;
}

.author-card {
    text-decoration: none;
    display: grid;
    grid-template-columns: var(--avatar-md) 1fr;
    align-items: center;
}

.author-card__avatar .avatar {
    width: var(--avatar-sm);
    height: var(--avatar-sm);
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--border);
}

.avatar--placeholder {
    width: var(--avatar-md);
    height: var(--avatar-md);
    border-radius: 999px;
    background: var(--surface-2);
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
}

.author-card__name {
    font-weight: 600;
}

.author-card__position {
    font-size: .95rem;
}

.author-card__cta {
    font-size: .9rem;
    margin-top: 4px;
}

.toc {
    border: 1px solid var(--c-border, var(--border));
    background: var(--c-surface, #fff);
    border-radius: .75rem;
    padding: .5rem 1rem;
    margin: 1rem 0;
}

.toc>summary.toc__title {
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    outline: none;
    padding: 12px;
    display: flex;
    align-items: center !important;
}

.toc>summary.toc__title svg {
    margin-right: 6px;
}

.toc[open]>summary.toc__title {
    margin-bottom: 10px;
    border-bottom: 1px solid var(--c-border, var(--border));
}

.toc__body {
    margin-top: .25rem;
}

.toc__list {
    margin: 0;
    padding-left: 1.25rem;
    list-style: disc;
}

.toc__item {
    margin: .25rem 0;
}

#author .avatar {
    width: var(--avatar-lg);
    height: var(--avatar-lg);
    border-radius: 50%;
    object-fit: cover;
    margin: 20px;
}

.author-header {
    display: flex;
    align-items: center !important;
}

.author-header .cluster {
    margin-top: 20px;
}

ol.breadcrumbs__list li {
    display: inline-block;
    padding-right: 6px;
    color: var(--muted);
    line-height: 23px;
    font-weight: 500;
    font-size: clamp(1rem, 0.98rem + 0.4vw, 1.0625rem);
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
}

ol.breadcrumbs__list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    margin-top: 0;
}