/* ─────────────────────────────────────────────────────────
   Cittopia · Insights stylesheet
   Used by /insights/* pages (listing + article + category)
   Inherits: brand variables, Inter + Fraunces fonts
   ───────────────────────────────────────────────────────── */

:root {
    --cit-green: #2ca58d;
    --cit-green-d: #1f8773;
    --cit-dark: #1b3a2f;
    --cit-gold: #ffc222;
    --cit-brown: #9c6c44;
    --cit-blue: #6bbce6;
    --cit-bg: #f8f9fb;
    --cit-bg-warm: #fcfaf6;
    --cit-border: #e8edf0;
    --cit-text: #1b1d1f;
    --cit-text-muted: #5a6068;
    --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body.insights-body {
    font-family: var(--sans);
    color: var(--cit-text);
    background: #fff;
    margin: 0;
    line-height: 1.6;
}

/* ── Header (compact, reuse-friendly) ── */
.ins-header {
    background: #fff;
    border-bottom: 1px solid var(--cit-border);
    padding: 1rem 1.5rem;
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(8px);
    background: rgba(255,255,255,0.94);
}
.ins-header-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.ins-logo {
    display: flex; align-items: center; gap: 0.6rem;
    color: var(--cit-dark); text-decoration: none;
    font-weight: 700; font-size: 1.05rem;
}
.ins-logo img { height: 28px; width: auto; }
.ins-logo .sub { color: var(--cit-text-muted); font-weight: 400; font-size: 0.85rem; }
.ins-nav { display: flex; gap: 1.5rem; align-items: center; }
.ins-nav a {
    color: var(--cit-text-muted); text-decoration: none;
    font-size: 0.9rem; font-weight: 500;
    transition: color 0.15s;
}
.ins-nav a:hover, .ins-nav a.active { color: var(--cit-green); }
.ins-nav .cta {
    background: var(--cit-green); color: #fff;
    padding: 0.5rem 1.1rem; border-radius: 100px;
    font-weight: 600;
}
.ins-nav .cta:hover { background: var(--cit-dark); color: #fff; }
@media (max-width: 760px) {
    .ins-nav a:not(.cta) { display: none; }
}

/* ── Breadcrumbs ── */
.ins-breadcrumb {
    max-width: 1200px; margin: 0 auto;
    padding: 1rem 1.5rem 0;
    font-size: 0.82rem; color: var(--cit-text-muted);
}
.ins-breadcrumb a { color: var(--cit-green); text-decoration: none; }
.ins-breadcrumb a:hover { text-decoration: underline; }

/* ── Hero (listing pages) ── */
.ins-hero {
    background: linear-gradient(135deg, #ffffff 0%, #f4faf8 100%);
    padding: 4rem 1.5rem 3rem; text-align: center;
    border-bottom: 1px solid var(--cit-border);
}
.ins-hero .eyebrow {
    display: inline-block;
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--cit-green);
    background: rgba(44,165,141,0.1); padding: 0.4rem 1rem; border-radius: 100px;
    margin-bottom: 1.5rem;
}
.ins-hero h1 {
    font-family: var(--serif); font-weight: 600;
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    color: var(--cit-dark); margin: 0 0 1rem; line-height: 1.1;
    letter-spacing: -0.02em;
}
.ins-hero h1 em { font-style: italic; color: var(--cit-green); font-weight: 400; }
.ins-hero .lede {
    font-size: 1.1rem; max-width: 680px; margin: 0 auto;
    color: var(--cit-text-muted); line-height: 1.55;
}

/* ── Filters (above the article grid) ── */
.ins-filters {
    max-width: 1200px; margin: 0 auto;
    padding: 2.5rem 1.5rem 1rem;
    display: flex; gap: 0.5rem; flex-wrap: wrap;
    border-bottom: 1px solid var(--cit-border);
}
.ins-filter-pill {
    background: #fff; border: 1px solid var(--cit-border);
    padding: 0.5rem 1rem; border-radius: 100px;
    font-size: 0.85rem; font-weight: 600; color: var(--cit-text-muted);
    cursor: pointer; transition: all 0.15s;
    display: inline-flex; align-items: center; gap: 0.4rem;
}
.ins-filter-pill:hover { border-color: var(--cit-green); color: var(--cit-green); }
.ins-filter-pill.active {
    background: var(--cit-dark); color: #fff; border-color: var(--cit-dark);
}
.ins-search {
    margin-left: auto;
    display: flex; align-items: center; gap: 0.5rem;
    background: #fff; border: 1px solid var(--cit-border);
    border-radius: 100px; padding: 0.4rem 1rem;
}
.ins-search input {
    border: none; outline: none; font-size: 0.9rem;
    background: transparent; width: 200px; font-family: var(--sans);
}
@media (max-width: 640px) {
    .ins-search { width: 100%; margin-left: 0; }
    .ins-search input { width: 100%; }
}

/* ── Article grid (listing) ── */
.ins-grid {
    max-width: 1200px; margin: 0 auto;
    padding: 2.5rem 1.5rem 5rem;
    display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}
.ins-card {
    background: #fff; border: 1px solid var(--cit-border); border-radius: 16px;
    overflow: hidden;
    text-decoration: none; color: inherit;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    display: flex; flex-direction: column;
}
.ins-card:hover {
    transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    border-color: var(--cit-green);
}
.ins-card-cover {
    aspect-ratio: 3 / 2; background: var(--cit-bg);
    background-size: cover; background-position: center;
    position: relative;
}
.ins-card-pillar {
    position: absolute; top: 1rem; left: 1rem;
    background: rgba(255,255,255,0.95); color: var(--cit-dark);
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em;
    padding: 0.35rem 0.75rem; border-radius: 100px;
    text-transform: uppercase;
}
.ins-card-body {
    padding: 1.5rem; flex: 1; display: flex; flex-direction: column;
}
.ins-card-body h2 {
    font-family: var(--serif); font-weight: 600;
    font-size: 1.25rem; line-height: 1.3;
    color: var(--cit-dark); margin: 0 0 0.6rem;
}
.ins-card-body p {
    font-size: 0.93rem; color: var(--cit-text-muted);
    margin: 0 0 1rem; flex: 1;
}
.ins-card-meta {
    font-size: 0.78rem; color: #999;
    display: flex; gap: 0.75rem; align-items: center;
    margin-top: auto;
}
.ins-card-meta time { color: var(--cit-text-muted); }
.ins-card-meta .dot { color: #ccc; }

/* ── Empty state ── */
.ins-empty {
    grid-column: 1 / -1;
    text-align: center; padding: 4rem 2rem;
    color: var(--cit-text-muted);
}
.ins-empty h3 { color: var(--cit-dark); margin: 0 0 0.5rem; }

/* ── ARTICLE PAGE ── */
.ins-article-cover {
    width: 100%; aspect-ratio: 3 / 1.2;
    background: linear-gradient(135deg, var(--cit-dark), var(--cit-green));
    background-size: cover; background-position: center;
    margin-bottom: 0;
}
.ins-article-header {
    max-width: 760px; margin: 0 auto;
    padding: 3rem 1.5rem 2rem;
    text-align: center;
}
.ins-article-pillar {
    display: inline-block;
    background: rgba(44,165,141,0.1); color: var(--cit-green);
    font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
    padding: 0.4rem 1rem; border-radius: 100px;
    text-transform: uppercase; margin-bottom: 1.5rem;
}
.ins-article-header h1 {
    font-family: var(--serif); font-weight: 600;
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    color: var(--cit-dark); margin: 0 0 1rem; line-height: 1.15;
    letter-spacing: -0.02em;
}
.ins-article-subtitle {
    font-size: 1.2rem; color: var(--cit-text-muted);
    line-height: 1.45; max-width: 620px; margin: 0 auto 2rem;
}
.ins-article-meta {
    font-size: 0.88rem; color: var(--cit-text-muted);
    display: flex; gap: 0.75rem; justify-content: center; align-items: center;
    flex-wrap: wrap;
}
.ins-article-author {
    display: inline-flex; align-items: center; gap: 0.5rem;
}
.ins-article-author img {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--cit-bg);
}

/* ── Article body ── */
.ins-article-body {
    max-width: 720px; margin: 0 auto;
    padding: 0 1.5rem 4rem;
    font-size: 1.08rem; line-height: 1.75;
    color: var(--cit-text);
}
.ins-article-body > p:first-child::first-letter {
    font-family: var(--serif); font-weight: 600;
    font-size: 3.2rem; line-height: 1; float: left;
    color: var(--cit-green); padding: 0.2rem 0.8rem 0 0;
    margin-top: 0.1rem;
}
.ins-article-body p { margin: 0 0 1.5rem; }
.ins-article-body h2 {
    font-family: var(--serif); font-weight: 600;
    font-size: 1.7rem; color: var(--cit-dark);
    margin: 3rem 0 1rem; line-height: 1.25;
}
.ins-article-body h3 {
    font-family: var(--sans); font-weight: 700;
    font-size: 1.15rem; color: var(--cit-dark);
    margin: 2rem 0 0.75rem;
}
.ins-article-body ul, .ins-article-body ol {
    margin: 0 0 1.5rem; padding-left: 1.5rem;
}
.ins-article-body li { margin-bottom: 0.5rem; }
.ins-article-body blockquote {
    margin: 2rem -1.5rem; padding: 1.5rem 2rem;
    background: var(--cit-bg-warm);
    border-left: 4px solid var(--cit-gold);
    font-family: var(--serif); font-style: italic;
    font-size: 1.18rem; color: var(--cit-dark);
}
.ins-article-body blockquote cite {
    display: block; margin-top: 0.75rem;
    font-family: var(--sans); font-style: normal;
    font-size: 0.85rem; color: var(--cit-text-muted);
}
.ins-article-body code {
    background: var(--cit-bg); padding: 0.15rem 0.4rem;
    border-radius: 4px; font-size: 0.92em;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--cit-dark);
}
.ins-article-body pre {
    background: var(--cit-dark); color: #e0e0e0;
    padding: 1rem 1.25rem; border-radius: 8px;
    overflow-x: auto; font-size: 0.85rem; line-height: 1.5;
    margin: 1.5rem 0;
}
.ins-article-body pre code { background: transparent; color: inherit; padding: 0; }
.ins-article-body table {
    width: 100%; border-collapse: collapse; margin: 1.5rem 0;
    font-size: 0.95rem;
}
.ins-article-body th, .ins-article-body td {
    border: 1px solid var(--cit-border);
    padding: 0.6rem 0.85rem; text-align: left;
}
.ins-article-body th { background: var(--cit-bg); font-weight: 700; color: var(--cit-dark); }
.ins-article-body .callout {
    background: var(--cit-bg);
    border: 1px solid var(--cit-border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
    font-size: 0.97rem;
}
.ins-article-body .callout.callout-warn {
    background: #fff8e8; border-color: #ffc222;
}
.ins-article-body .callout.callout-warn::before { content: "⚠ "; font-weight: 700; }
.ins-article-body .callout.callout-info {
    background: #eef6f4; border-color: var(--cit-green);
}
.ins-article-body .callout.callout-info::before { content: "ℹ "; font-weight: 700; }
.ins-article-body .footnote-ref {
    font-size: 0.75em; vertical-align: super;
    color: var(--cit-green); text-decoration: none;
}
.ins-article-body .footnotes {
    margin-top: 4rem; padding-top: 2rem;
    border-top: 1px solid var(--cit-border);
    font-size: 0.88rem; color: var(--cit-text-muted);
}
.ins-article-body .footnotes h3 {
    font-size: 0.95rem; color: var(--cit-dark);
    text-transform: uppercase; letter-spacing: 0.05em;
}
.ins-article-body .footnotes ol li { margin-bottom: 0.5rem; }
.ins-article-body a {
    color: var(--cit-green); text-decoration: underline;
    text-decoration-color: rgba(44,165,141,0.4); text-underline-offset: 3px;
}
.ins-article-body a:hover { text-decoration-color: var(--cit-green); }

/* ── Share section — branded circular icon buttons ── */
.ins-share {
    max-width: 720px; margin: 3rem auto;
    padding: 2.25rem 1.5rem 2rem;
    background: linear-gradient(135deg, #fcfaf6 0%, #f4faf8 100%);
    border: 1px solid var(--cit-border);
    border-radius: 20px;
    text-align: center;
    position: relative;
}
.ins-share::before {
    content: ''; position: absolute;
    top: -1px; left: 50%; transform: translateX(-50%);
    width: 80px; height: 4px;
    background: linear-gradient(90deg, var(--cit-green), var(--cit-gold), var(--cit-brown));
    border-radius: 0 0 8px 8px;
}
.ins-share h4 {
    font-family: var(--serif); font-weight: 600;
    font-size: 1.2rem; color: var(--cit-dark);
    margin: 0 0 0.4rem;
}
.ins-share-subtle {
    font-size: 0.85rem; color: var(--cit-text-muted);
    margin: 0 0 1.5rem; font-weight: 400;
}
.ins-share-buttons {
    display: flex; gap: 0.85rem; justify-content: center; flex-wrap: wrap;
}
.ins-share-buttons a,
.ins-share-buttons button {
    position: relative;
    width: 52px; height: 52px;
    background: #fff;
    color: var(--cit-dark);
    border: 1.5px solid var(--cit-border);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 6px rgba(27, 58, 47, 0.04);
    font-family: var(--sans);
    padding: 0;
}
.ins-share-buttons a:hover,
.ins-share-buttons button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(27, 58, 47, 0.18);
    color: #fff;
}
.ins-share-buttons a:active,
.ins-share-buttons button:active {
    transform: translateY(-1px);
    transition: all 0.08s;
}
.ins-share-buttons svg,
.ins-share-buttons i {
    width: 22px; height: 22px;
    pointer-events: none;
    transition: transform 0.2s;
}
.ins-share-buttons a:hover svg,
.ins-share-buttons button:hover svg,
.ins-share-buttons a:hover i,
.ins-share-buttons button:hover i {
    transform: scale(1.08);
}

/* Channel-specific hover colors (branded, but consistent palette feel) */
.ins-share-buttons [data-share="linkedin"]:hover { background: #0a66c2; border-color: #0a66c2; }
.ins-share-buttons [data-share="x"]:hover        { background: var(--cit-dark); border-color: var(--cit-dark); }
.ins-share-buttons [data-share="whatsapp"]:hover { background: #25d366; border-color: #25d366; }
.ins-share-buttons [data-share="email"]:hover    { background: var(--cit-green); border-color: var(--cit-green); }
.ins-share-buttons [data-share="copy"]:hover     { background: var(--cit-gold); border-color: var(--cit-gold); color: var(--cit-dark); }
.ins-share-buttons [data-share="copy"]:hover svg { color: var(--cit-dark); }

/* Tooltip label that fades in on hover */
.ins-share-buttons a::after,
.ins-share-buttons button::after {
    content: attr(aria-label);
    position: absolute;
    bottom: -32px;
    left: 50%; transform: translateX(-50%) translateY(-4px);
    background: var(--cit-dark);
    color: #fff;
    font-size: 0.72rem; font-weight: 600;
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s, transform 0.15s;
    letter-spacing: 0.02em;
}
.ins-share-buttons a:hover::after,
.ins-share-buttons button:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.ins-share-buttons a::before,
.ins-share-buttons button::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%; transform: translateX(-50%);
    border: 4px solid transparent;
    border-bottom-color: var(--cit-dark);
    opacity: 0;
    transition: opacity 0.15s;
}
.ins-share-buttons a:hover::before,
.ins-share-buttons button:hover::before {
    opacity: 1;
}

/* "Copied!" state for copy-link button */
.ins-share-buttons button[data-share="copy"].copied {
    background: var(--cit-green);
    border-color: var(--cit-green);
    color: #fff;
}
.ins-share-buttons button[data-share="copy"].copied svg {
    color: #fff;
}

/* Mobile — slightly smaller buttons + tighter spacing */
@media (max-width: 540px) {
    .ins-share { padding: 1.75rem 1rem; }
    .ins-share-buttons { gap: 0.55rem; }
    .ins-share-buttons a, .ins-share-buttons button {
        width: 46px; height: 46px;
    }
    .ins-share-buttons svg { width: 19px; height: 19px; }
}

/* ── Related articles ── */
.ins-related {
    max-width: 1200px; margin: 4rem auto 5rem;
    padding: 0 1.5rem;
}
.ins-related h3 {
    font-family: var(--serif); font-weight: 600;
    font-size: 1.5rem; color: var(--cit-dark);
    margin: 0 0 1.5rem; text-align: center;
}

/* ── Newsletter CTA ── */
.ins-newsletter {
    background: var(--cit-dark); color: #fff;
    padding: 3rem 1.5rem; text-align: center;
}
.ins-newsletter h3 {
    font-family: var(--serif); font-weight: 600;
    font-size: 1.75rem; color: #fff; margin: 0 0 0.5rem;
}
.ins-newsletter p {
    color: rgba(255,255,255,0.75); max-width: 540px; margin: 0 auto 1.5rem;
}
.ins-newsletter a {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: var(--cit-gold); color: var(--cit-dark);
    padding: 0.7rem 1.5rem; border-radius: 100px;
    font-weight: 700; text-decoration: none;
    transition: transform 0.15s;
}
.ins-newsletter a:hover { transform: translateY(-2px); }

/* ── Site footer (reuse-able minimal) ── */
.ins-footer {
    background: var(--cit-dark); color: #cad7d2;
    padding: 2.5rem 1.5rem; text-align: center; font-size: 0.88rem;
}
.ins-footer-inner { max-width: 1200px; margin: 0 auto; }
.ins-footer a { color: var(--cit-gold); text-decoration: none; margin: 0 0.4rem; }
.ins-footer a:hover { text-decoration: underline; }
.ins-footer .footer-meta { margin-top: 0.5rem; font-size: 0.8rem; color: #8aa39b; }

/* ── Reading progress bar (article pages) ── */
.ins-progress {
    position: fixed; top: 0; left: 0; right: 0;
    height: 3px; background: transparent; z-index: 200;
    pointer-events: none;
}
.ins-progress-bar {
    height: 100%; width: 0%;
    background: linear-gradient(90deg, var(--cit-green), var(--cit-gold));
    transition: width 0.1s ease-out;
}

/* ── Print friendly ── */
@media print {
    .ins-header, .ins-share, .ins-related, .ins-newsletter, .ins-progress, .ins-breadcrumb { display: none; }
    .ins-article-body { max-width: 100%; padding: 0; }
}


/* ── Inline citations (superscript footnote refs) ── */
.cite-sup {
    font-size: 0.7em;
    vertical-align: super;
    line-height: 0;
    margin-left: 0.05em;
    font-weight: 600;
}
.cite-sup a {
    color: var(--cit-green);
    text-decoration: none;
    border-bottom: 1px dotted var(--cit-green);
    padding: 0 0.05em;
}
.cite-sup a:hover {
    color: var(--cit-dark);
    background: rgba(44,165,141,0.1);
    border-radius: 3px;
}
.cite-sup a:target,
.ins-article-body [id^="fn-ref"]:target {
    background: rgba(255, 194, 34, 0.3);
    border-radius: 3px;
    animation: cite-flash 1.5s ease-out;
}
@keyframes cite-flash {
    0% { background: rgba(255, 194, 34, 0.6); }
    100% { background: rgba(255, 194, 34, 0); }
}

/* ── References section (replaces simple footnotes) ── */
.ins-article-body .references {
    margin-top: 4rem;
    padding: 2rem 0 0;
    border-top: 2px solid var(--cit-gold);
}
.ins-article-body .references h3 {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--cit-dark);
    margin: 0 0 1.5rem;
    text-transform: none;
    letter-spacing: 0;
}
.references-list {
    margin: 0 0 1.5rem;
    padding-left: 2rem;
    counter-reset: ref-counter;
}
.references-list li {
    list-style: decimal;
    margin: 0.85rem 0;
    padding: 0.4rem 0 0.4rem 0.4rem;
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--cit-text);
}
.references-list li:target {
    background: rgba(255, 194, 34, 0.15);
    border-left: 3px solid var(--cit-gold);
    margin-left: -0.6rem;
    padding-left: 0.6rem;
    border-radius: 0 4px 4px 0;
    animation: cite-flash 2s ease-out;
}
.references-list li strong { color: var(--cit-dark); }
.references-list .fn-note {
    display: block;
    color: var(--cit-text-muted);
    font-size: 0.88rem;
    margin-top: 0.3rem;
    font-style: italic;
}
.references-list .fn-link {
    display: inline-block;
    margin-top: 0.4rem;
    color: var(--cit-green);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid rgba(44,165,141,0.3);
}
.references-list .fn-link:hover {
    border-bottom-color: var(--cit-green);
    color: var(--cit-dark);
}
.ref-meta {
    font-size: 0.85rem;
    color: var(--cit-text-muted);
    font-style: italic;
    margin: 1rem 0 0;
    padding: 0.75rem 1rem;
    background: var(--cit-bg);
    border-radius: 8px;
}
.ref-meta a { color: var(--cit-green); font-weight: 600; }

/* ═════════════════════════════════════════════════════════
   FORCE share button rendering — higher specificity wins
   over any inherited button/anchor styles
   ═════════════════════════════════════════════════════════ */
section.ins-share .ins-share-buttons a,
section.ins-share .ins-share-buttons button {
    width: 52px !important;
    height: 52px !important;
    min-width: 52px !important;
    min-height: 52px !important;
    border-radius: 50% !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: #fff !important;
    border: 1.5px solid #e8edf0 !important;
    box-shadow: 0 2px 6px rgba(27, 58, 47, 0.04) !important;
    box-sizing: border-box !important;
    line-height: 1 !important;
    color: #1b3a2f !important;
}
section.ins-share .ins-share-buttons svg {
    width: 22px !important;
    height: 22px !important;
    display: block !important;
    color: inherit !important;
    fill: currentColor;
}
section.ins-share .ins-share-buttons [data-share="email"] svg,
section.ins-share .ins-share-buttons [data-share="copy"] svg {
    /* These use stroke not fill */
    fill: none !important;
    stroke: currentColor !important;
}
@media (max-width: 540px) {
    section.ins-share .ins-share-buttons a,
    section.ins-share .ins-share-buttons button {
        width: 46px !important;
        height: 46px !important;
        min-width: 46px !important;
        min-height: 46px !important;
    }
    section.ins-share .ins-share-buttons svg {
        width: 19px !important;
        height: 19px !important;
    }
}