/* convergencewire.css — Convergence Wire design system. No preprocessor. */

/* ── Design tokens ──────────────────────────────────────────── */
:root {
    --bg:              #fafaf7;
    --text:            #111111;
    --text-muted:      #6b6b62;
    --border:          #d8d8d0;
    --font-serif:      'Noticia Text', Georgia, 'Times New Roman', serif;
    --font-sans:       'Libre Franklin', system-ui, sans-serif;
    --max-width:       1100px;
    --transition:      0.2s ease;
    --transition-slow: 0.75s;
}

/* ── Crosshatch background ──────────────────────────────────── */
html {
    background-image:
        linear-gradient(to bottom right, transparent 48%, #e5e5e0 48%, #e5e5e0 52%, transparent 52%),
        linear-gradient(to bottom left,  transparent 48%, #e5e5e0 48%, #e5e5e0 52%, transparent 52%);
    background-size: 0.25rem 0.25rem;
    background-color: #f0f0ea;
    min-height: 100%;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

/* ── Base ───────────────────────────────────────────────────── */
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 1rem;
}

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

/* ── Container ──────────────────────────────────────────────── */
.container {
    width: 92%;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* ── Navbar ─────────────────────────────────────────────────── */
.site_header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #111;
}

.navbar {
    height: 56px;
    display: flex;
    align-items: center;
}

.navbar_inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.navbar_logo {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #fff;
    text-decoration: none;
    transition: opacity var(--transition);
}

.navbar_logo:hover { opacity: 0.7; }

.navbar_links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.navbar_links a {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #777;
    text-decoration: none;
    transition: color var(--transition);
}

.navbar_links a:hover,
.navbar_links a.active { color: #fff; }

.navbar_toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: #fff;
    padding: 4px;
    line-height: 1;
}

.navbar_toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: #fff;
    margin: 5px 0;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .navbar_toggle { display: block; }

    .navbar_links {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: #111;
        flex-direction: column;
        gap: 0;
        padding: 0.5rem 0;
    }

    .navbar_links.open { display: flex; }
    .navbar_links li { width: 100%; }

    .navbar_links a {
        display: block;
        padding: 0.85rem 1.5rem;
        font-size: 0.8rem;
    }

    .navbar_links li + li a { border-top: 1px solid #1e1e1e; }
}

/* ── Page banner ─────────────────────────────────────────────── */
.page_banner {
    padding-bottom: 2.5rem;
}

.page_banner_title {
    display: block;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: clamp(1.75rem, 5vw, 3.5rem);
    background: #111;
    color: #fff;
    padding: 0.6rem 0;
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin-top: 2.5rem;
}

.page_banner_subtitle {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 0.85rem;
    max-width: 560px;
    line-height: 1.75;
}

/* ── Article grid & cards ────────────────────────────────────── */
.article_grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
    padding-bottom: 3rem;
}

.article_card {
    display: flex;
    flex-direction: column;
}

.article_card_image_wrap {
    overflow: hidden;
    margin-bottom: 0.8rem;
}

.article_card_image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    filter: grayscale(1) contrast(0.75);
    transition: filter var(--transition-slow);
}

.article_card:hover .article_card_image {
    filter: grayscale(0) contrast(1);
}

.article_card_category {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    background: #111;
    color: #fff;
    padding: 0.15rem 0.45rem;
    margin-bottom: 0.55rem;
}

.article_card_title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.4;
    margin-bottom: 0.5rem;
    display: block;
    text-decoration: none;
    transition: opacity var(--transition);
}

.article_card_title:hover { opacity: 0.65; }

.article_card_summary {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
    flex: 1;
    margin-bottom: 0.75rem;
}

.article_card_meta {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* ── Article page ────────────────────────────────────────────── */
.article_header {
    padding: 2.5rem 0 0;
}

.article_headline {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: clamp(1.75rem, 4.5vw, 3.25rem);
    background: #111;
    color: #fff;
    padding: 0.6rem 0;
    line-height: 1.1;
    letter-spacing: -0.01em;
    display: block;
}

.article_subheading {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 0.75rem;
    line-height: 1.5;
    font-style: italic;
}

.article_meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 1rem 0;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.article_meta_sep { color: var(--border); }

.article_meta_category {
    display: inline-block;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    background: #111;
    color: #fff;
    padding: 0.15rem 0.45rem;
}

.article_cover {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    filter: grayscale(1) contrast(0.75);
    transition: filter var(--transition-slow);
    margin-bottom: 2.5rem;
}

.article_cover:hover { filter: grayscale(0) contrast(1); }

.article_layout {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 3.5rem;
    align-items: start;
    padding-bottom: 4rem;
}

@media (max-width: 960px) {
    .article_layout { grid-template-columns: 1fr; }
}

/* ── Article body (TipTap output) ────────────────────────────── */
.article_body {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text);
    min-width: 0;
}

.article_body p { margin-bottom: 1.4rem; }

.article_body h2 {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1.35rem;
    background: #111;
    color: #fff;
    display: inline-block;
    padding: 0.4rem 0.75rem;
    margin: 2.5rem 0 1rem;
    max-width: 75%;
    line-height: 1.2;
}

.article_body h3 {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 700;
    margin: 2rem 0 0.65rem;
    color: var(--text);
}

.article_body blockquote {
    border-left: 3px solid #111;
    padding: 0.5rem 0 0.5rem 1.25rem;
    margin: 1.75rem 0;
    font-style: italic;
    color: var(--text-muted);
}

.article_body aside {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-style: italic;
    line-height: 1.55;
    color: var(--text);
    border-top: 2px solid #111;
    border-bottom: 2px solid #111;
    padding: 1rem 0;
    margin: 2.5rem 0;
}

.article_body ul,
.article_body ol {
    padding-left: 1.5rem;
    margin-bottom: 1.4rem;
}

.article_body li { margin-bottom: 0.35rem; }

.article_body a {
    color: var(--text);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article_body img {
    max-width: 100%;
    filter: grayscale(1) contrast(0.75);
    transition: filter var(--transition-slow);
    margin: 1.5rem 0;
}

.article_body img:hover { filter: grayscale(0) contrast(1); }

.article_body figcaption {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

.article_body pre {
    background: #f0f0ec;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin-bottom: 1.4rem;
    font-size: 0.875rem;
}

.article_body code {
    font-family: 'SFMono-Regular', Consolas, 'Courier New', monospace;
    font-size: 0.875em;
    background: #efefeb;
    padding: 0.1em 0.3em;
}

.article_body pre code {
    background: none;
    padding: 0;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.article_sidebar {
    position: sticky;
    top: 72px;
    font-family: var(--font-sans);
}

.sidebar_label {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #111;
    margin-bottom: 1rem;
    display: block;
}

.sidebar_list { list-style: none; }

.sidebar_item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.sidebar_item:last-child { border-bottom: none; }

.sidebar_item a {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    display: block;
    margin-bottom: 0.2rem;
    line-height: 1.4;
    text-decoration: none;
    transition: opacity var(--transition);
}

.sidebar_item a:hover { opacity: 0.65; }

.sidebar_item_date {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ── Forms ───────────────────────────────────────────────────── */
.form_wrapper {
    max-width: 640px;
    margin: 0 auto;
    padding: 2.5rem 1rem 4rem;
}

.form_group { margin-bottom: 1.35rem; }

label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 0.4rem;
}

input[type="text"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 0;
    background: #fff;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text);
    appearance: none;
    transition: border-color var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #111;
}

textarea {
    resize: vertical;
    min-height: 140px;
}

.btn {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.75rem 2rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: opacity var(--transition);
}

.btn_primary {
    background: #111;
    color: #fff;
}

.btn_primary:hover { opacity: 0.8; }
.btn_primary:disabled { opacity: 0.45; cursor: not-allowed; }

/* ── Alerts ──────────────────────────────────────────────────── */
.alert_success {
    border-left: 3px solid #2d6a4f;
    background: #f0fdf4;
    color: #2d6a4f;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-family: var(--font-sans);
}

.alert_error {
    border-left: 3px solid #9b2335;
    background: #fef2f2;
    color: #9b2335;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-family: var(--font-sans);
}

/* ── Legal & About pages ─────────────────────────────────────── */
.legal_content {
    max-width: 700px;
    margin: 0 auto 4rem;
    padding: 0 1rem;
    font-family: var(--font-serif);
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text);
}

.legal_content h2 {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1rem;
    background: #111;
    color: #fff;
    display: inline-block;
    padding: 0.3rem 0.6rem;
    margin: 2rem 0 0.75rem;
    letter-spacing: 0.02em;
}

.legal_content p { margin-bottom: 1rem; }

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

/* ── Pagination ──────────────────────────────────────────────── */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.5rem 0 3rem;
}

.pagination_link {
    display: inline-block;
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--border);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    color: var(--text);
    text-decoration: none;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.pagination_link:hover { border-color: #111; }

.pagination_link_active {
    background: #111;
    border-color: #111;
    color: #fff;
}

/* ── Footer ──────────────────────────────────────────────────── */
.site_footer {
    background: #111;
    color: #777;
    padding: 3rem 0 0;
    font-family: var(--font-sans);
    font-size: 0.875rem;
}

.footer_grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    padding-bottom: 2.5rem;
}

.footer_brand_name {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 0.6rem;
    display: block;
}

.footer_tagline {
    font-size: 0.85rem;
    color: #555;
    line-height: 1.65;
    font-family: var(--font-serif);
}

.footer_col_title {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #555;
    margin-bottom: 0.75rem;
    display: block;
}

.footer_links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.footer_links a {
    color: #777;
    font-size: 0.825rem;
    text-decoration: none;
    transition: color var(--transition);
}

.footer_links a:hover { color: #fff; }

.footer_copy {
    border-top: 1px solid #1e1e1e;
    padding: 1rem 0;
    text-align: center;
    font-size: 0.72rem;
    color: #444;
    letter-spacing: 0.04em;
}

@media (max-width: 768px) {
    .footer_grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .footer_grid { grid-template-columns: 1fr; }
}

/* ── Utility ─────────────────────────────────────────────────── */
.empty_state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

.not_found {
    text-align: center;
    padding: 5rem 1rem;
}

.not_found h1 {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 5rem;
    background: #111;
    color: #fff;
    display: inline-block;
    padding: 0.25rem 1rem;
    margin-bottom: 1.5rem;
}

.not_found p {
    font-family: var(--font-serif);
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.not_found a {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: underline;
    text-underline-offset: 3px;
}