/* ==========================================================================
   VILLAM — Blog stylesheet
   Shared by blog.html (the index) and every article inside /blog/.
   Mirrors the design language of index.html: same palette, same type,
   same button, same section rhythm. No build step, no dependencies.
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: rgb(129, 137, 111);
    --primary-tint: rgba(129, 137, 111, 0.15);
    --primary-tint-soft: rgba(129, 137, 111, 0.07);
    --dark-bg: #0f0f0f;
    --dark-bg-secondary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #2a2a2a;
    --measure: 760px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--dark-bg);
    -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   Navigation (identical to index.html)
   -------------------------------------------------------------------------- */

/* Scoped to the direct child of <body> so it never captures the
   table-of-contents <nav> nested inside an article. */
body > nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    padding: 0 2rem;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
    min-width: 0;
    /* Last-resort safety valve: on a very narrow phone the links scroll
       rather than running off the edge of the screen. */
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-links::-webkit-scrollbar {
    display: none;
}

.nav-links li {
    flex: 0 0 auto;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.current {
    color: var(--primary-color);
}

/* --------------------------------------------------------------------------
   Shared building blocks
   -------------------------------------------------------------------------- */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: var(--primary-color);
    color: var(--dark-bg);
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
    font-size: 16px;
    width: fit-content;
}

.cta-button:hover {
    background-color: transparent;
    color: var(--primary-color);
}

.cta-button::after {
    content: '\2192';
    font-size: 18px;
}

.cta-button.secondary {
    background-color: transparent;
    color: var(--primary-color);
}

.cta-button.secondary:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* --------------------------------------------------------------------------
   Blog index — page header
   -------------------------------------------------------------------------- */

.blog-header {
    margin-top: 70px;
    padding: 90px 2rem 70px;
    border-bottom: 1px solid var(--border-color);
    background:
        radial-gradient(900px 340px at 15% -10%, rgba(129, 137, 111, 0.13), transparent 70%),
        var(--dark-bg);
}

.blog-header-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.blog-header h1 {
    font-size: 60px;
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.15;
    margin-bottom: 22px;
}

.blog-header h1 .accent {
    color: var(--primary-color);
}

.blog-header p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.8;
}

/* --------------------------------------------------------------------------
   Blog index — article cards
   -------------------------------------------------------------------------- */

.blog-list {
    padding: 80px 2rem;
    background-color: var(--dark-bg);
}

.post-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 34px;
}

.post-card {
    display: flex;
    flex-direction: column;
    background-color: var(--dark-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 34px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
}

.post-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    background-color: #1e1e1e;
}

.post-card.featured {
    grid-column: 1 / -1;
    background:
        linear-gradient(115deg, rgba(129, 137, 111, 0.10), transparent 62%),
        var(--dark-bg-secondary);
    padding: 48px;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 18px;
}

.post-tag {
    padding: 5px 12px;
    border-radius: 20px;
    background-color: var(--primary-tint);
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.post-card h2 {
    font-size: 26px;
    line-height: 1.3;
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.post-card.featured h2 {
    font-size: 40px;
    max-width: 800px;
}

.post-card:hover h2 {
    color: var(--primary-color);
}

.post-card p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: 760px;
}

.post-card.featured p {
    font-size: 18px;
}

.post-readmore {
    margin-top: auto;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
}

.post-readmore::after {
    content: ' \2192';
}

/* Placeholder card for upcoming posts */
.post-card.upcoming {
    border-style: dashed;
    cursor: default;
    opacity: 0.75;
}

.post-card.upcoming:hover {
    transform: none;
    border-color: var(--border-color);
    background-color: var(--dark-bg-secondary);
}

.post-card.upcoming:hover h2 {
    color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Article — reading progress bar
   -------------------------------------------------------------------------- */

.progress-track {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 1001;
}

.progress-bar {
    height: 100%;
    width: 0;
    background-color: var(--primary-color);
    transition: width 0.1s linear;
}

/* --------------------------------------------------------------------------
   Article — header
   -------------------------------------------------------------------------- */

.article-header {
    margin-top: 70px;
    padding: 80px 2rem 56px;
    border-bottom: 1px solid var(--border-color);
    background:
        radial-gradient(900px 380px at 20% -20%, rgba(129, 137, 111, 0.14), transparent 70%),
        var(--dark-bg);
}

.article-header-inner {
    max-width: var(--measure);
    margin: 0 auto;
}

.breadcrumb {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 26px;
    letter-spacing: 0.5px;
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.article-header h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

.article-header h1 .accent {
    color: var(--primary-color);
}

.article-standfirst {
    font-size: 21px;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.article-byline {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    font-size: 14px;
    color: var(--text-secondary);
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

/* --------------------------------------------------------------------------
   Article — body typography
   -------------------------------------------------------------------------- */

.article-body {
    max-width: var(--measure);
    margin: 0 auto;
    padding: 64px 2rem 40px;
}

.article-body > p,
.article-body > ul,
.article-body > ol {
    font-size: 18px;
    line-height: 1.9;
    color: #d4d4d4;
    margin-bottom: 26px;
}

.article-body h2 {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.25;
    margin: 64px 0 14px;
    padding-top: 26px;
    border-top: 1px solid var(--border-color);
    scroll-margin-top: 100px;
}

.article-body h2:first-of-type {
    margin-top: 40px;
}

.article-body h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-color);
    margin: 40px 0 12px;
    letter-spacing: 0.2px;
}

.article-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-body a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid rgba(129, 137, 111, 0.4);
    transition: border-color 0.2s ease;
}

.article-body a:hover {
    border-bottom-color: var(--primary-color);
}

.article-body ul,
.article-body ol {
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 12px;
}

.article-body li::marker {
    color: var(--primary-color);
}

.article-body code {
    font-family: Consolas, 'SF Mono', Menlo, monospace;
    font-size: 0.88em;
    padding: 2px 7px;
    border-radius: 4px;
    background-color: var(--primary-tint);
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    white-space: nowrap;
}

.article-body hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 56px 0;
}

.lead {
    font-size: 21px !important;
    line-height: 1.8 !important;
    color: var(--text-primary) !important;
}

/* Pull quote */
.pullquote {
    margin: 48px 0;
    padding: 8px 0 8px 28px;
    border-left: 3px solid var(--primary-color);
    font-size: 24px;
    line-height: 1.55;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

/* Callout boxes */
.callout {
    margin: 40px 0;
    padding: 28px 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background-color: var(--dark-bg-secondary);
}

.callout h4 {
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: var(--primary-color);
    margin-bottom: 14px;
    font-weight: 700;
}

.callout p,
.callout li {
    font-size: 16.5px;
    line-height: 1.85;
    color: var(--text-secondary);
}

.callout p + p {
    margin-top: 14px;
}

.callout ul {
    padding-left: 20px;
    margin-top: 10px;
}

.callout.rule {
    border-left: 3px solid var(--primary-color);
    background: linear-gradient(90deg, var(--primary-tint-soft), transparent 55%), var(--dark-bg-secondary);
}

.callout.warn {
    border-left: 3px solid #c9a227;
    background: linear-gradient(90deg, rgba(201, 162, 39, 0.08), transparent 55%), var(--dark-bg-secondary);
}

.callout.warn h4 {
    color: #d9b23a;
}

/* Stat strip */
.stat-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 44px 0;
}

.stat {
    padding: 26px 22px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: var(--dark-bg-secondary);
}

.stat-number {
    display: block;
    font-size: 38px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.stat-label {
    display: block;
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.stat-source {
    display: block;
    margin-top: 10px;
    font-size: 12px;
    color: #7d7d7d;
    letter-spacing: 0.4px;
}

/* Tables */
.table-wrap {
    overflow-x: auto;
    margin: 40px 0;
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 520px;
    font-size: 16px;
}

thead th {
    background-color: var(--dark-bg-secondary);
    color: var(--primary-color);
    text-align: left;
    padding: 16px 20px;
    font-size: 13.5px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

tbody td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    vertical-align: top;
    line-height: 1.65;
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr.total td {
    background-color: rgba(129, 137, 111, 0.09);
    color: var(--text-primary);
    font-weight: 700;
}

tbody td:first-child {
    color: var(--text-primary);
    font-weight: 500;
}

/* Table of contents */
.toc {
    margin: 0 0 48px;
    padding: 26px 30px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: var(--dark-bg-secondary);
}

.toc h4 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    color: var(--primary-color);
    margin-bottom: 16px;
    font-weight: 700;
}

.toc ol {
    padding-left: 20px;
}

.toc li {
    margin-bottom: 9px;
    font-size: 16px;
}

.toc a {
    color: var(--text-secondary);
    text-decoration: none;
    border: none;
}

.toc a:hover {
    color: var(--primary-color);
}

/* Numbered step list */
.steps {
    list-style: none;
    padding: 0 !important;
    counter-reset: step;
    margin: 36px 0;
}

.steps > li {
    position: relative;
    padding: 0 0 4px 62px;
    margin-bottom: 30px;
    counter-increment: step;
    list-style: none;
}

.steps > li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--primary-tint);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 17px;
}

.steps > li strong {
    display: block;
    font-size: 19px;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.steps > li span {
    display: block;
    color: var(--text-secondary);
    font-size: 16.5px;
    line-height: 1.8;
}

/* Sources */
.sources {
    max-width: var(--measure);
    margin: 0 auto;
    padding: 0 2rem 70px;
}

.sources h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    color: var(--primary-color);
    margin-bottom: 18px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.sources ol {
    padding-left: 20px;
}

.sources li {
    font-size: 14.5px;
    line-height: 1.75;
    color: #8f8f8f;
    margin-bottom: 11px;
}

.sources a {
    color: #9aa383;
    text-decoration: none;
    word-break: break-word;
}

.sources a:hover {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   End-of-article CTA
   -------------------------------------------------------------------------- */

.article-cta {
    padding: 80px 2rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background:
        radial-gradient(760px 320px at 50% 0%, rgba(129, 137, 111, 0.14), transparent 72%),
        var(--dark-bg-secondary);
}

.article-cta-inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.article-cta h2 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 20px;
}

.article-cta h2 .accent {
    color: var(--primary-color);
}

.article-cta-lede {
    font-size: 19px;
    line-height: 1.85;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 36px;
}

.cta-includes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 18px;
    text-align: left;
    margin-bottom: 40px;
}

.cta-include {
    padding: 22px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: rgba(15, 15, 15, 0.6);
}

.cta-include h4 {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.cta-include p {
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-footnote {
    margin-top: 26px;
    font-size: 14.5px;
    color: var(--text-secondary);
}

.cta-footnote a {
    color: var(--primary-color);
    text-decoration: none;
}

.cta-footnote a:hover {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Footer (identical to index.html)
   -------------------------------------------------------------------------- */

footer {
    background-color: var(--dark-bg);
    color: var(--text-secondary);
    text-align: center;
    padding: 40px 2rem;
    font-size: 14px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo img {
    height: 60px;
    width: auto;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 13px;
}

footer p {
    margin-bottom: 15px;
}

footer p:last-child {
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Cookie banner (identical behaviour to index.html)
   -------------------------------------------------------------------------- */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--dark-bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 20px 2rem;
    z-index: 2000;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.cookie-message {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.cookie-message a {
    color: var(--primary-color);
    text-decoration: none;
}

.cookie-buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 10px 24px;
    border-radius: 4px;
    border: 1px solid var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.cookie-btn-accept {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.cookie-btn-accept:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.cookie-btn-decline {
    background-color: transparent;
    color: var(--text-secondary);
}

.cookie-btn-decline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(129, 137, 111, 0.08);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
    .blog-header h1 { font-size: 46px; }
    .article-header h1 { font-size: 42px; }
    .post-card.featured h2 { font-size: 32px; }
}

@media (max-width: 768px) {
    /* Target the anchors, not just the <ul> — .nav-links a carries its own
       font-size, so a rule on the list alone would never win. */
    .nav-links { gap: 1.4rem; }
    .nav-links a { font-size: 12px; }

    .blog-header { padding: 60px 1.5rem 50px; }
    .blog-header h1 { font-size: 36px; }
    .blog-header p { font-size: 17px; }

    .blog-list { padding: 56px 1.5rem; }
    .post-grid { grid-template-columns: 1fr; gap: 24px; }
    .post-card { padding: 28px; }
    .post-card.featured { padding: 32px; }
    .post-card h2 { font-size: 23px; }
    .post-card.featured h2 { font-size: 27px; }
    .post-card.featured p { font-size: 16px; }

    .article-header { padding: 56px 1.5rem 40px; }
    .article-header h1 { font-size: 33px; }
    .article-standfirst { font-size: 18px; }

    .article-body { padding: 48px 1.5rem 32px; }
    .article-body > p,
    .article-body > ul,
    .article-body > ol { font-size: 17px; line-height: 1.85; }
    .lead { font-size: 19px !important; }
    .article-body h2 { font-size: 27px; margin-top: 52px; }
    .article-body h3 { font-size: 20px; }
    .pullquote { font-size: 20px; padding-left: 20px; margin: 36px 0; }

    .callout { padding: 22px 22px; }
    .stat-number { font-size: 32px; }

    .steps > li { padding-left: 54px; }
    .steps > li::before { width: 38px; height: 38px; font-size: 15px; }
    .steps > li strong { font-size: 17.5px; }

    .sources { padding: 0 1.5rem 56px; }

    .article-cta { padding: 56px 1.5rem; }
    .article-cta h2 { font-size: 28px; }
    .article-cta-lede { font-size: 17px; }
    .cta-buttons { flex-direction: column; align-items: stretch; }
    .cta-buttons .cta-button { width: 100%; justify-content: center; }

    .cookie-content { flex-direction: column; gap: 15px; }
    .cookie-buttons { width: 100%; flex-direction: column; }
    .cookie-btn { width: 100%; text-align: center; }
    .cookie-banner { padding: 15px 1rem; }
}

@media (max-width: 480px) {
    body > nav { padding: 0 1rem; }
    .nav-container { height: 60px; }
    .logo { font-size: 18px; letter-spacing: 1px; }
    .nav-links { gap: 0.75rem; }
    .nav-links a { font-size: 11px; letter-spacing: 0.2px; }

    .blog-header,
    .article-header { margin-top: 60px; }
    .progress-track { top: 60px; }

    .blog-header { padding: 48px 1rem 40px; }
    .blog-header h1 { font-size: 30px; }
    .blog-list { padding: 44px 1rem; }
    .post-card,
    .post-card.featured { padding: 24px; }

    .article-header { padding: 44px 1rem 32px; }
    .article-header h1 { font-size: 28px; }
    .article-body { padding: 40px 1rem 28px; }
    .article-body h2 { font-size: 24px; }
    .toc { padding: 22px 20px; }
    .sources { padding: 0 1rem 44px; }
    .article-cta { padding: 48px 1rem; }
}

/* Very small phones — five nav items still have to fit. */
@media (max-width: 380px) {
    .logo { font-size: 16px; }
    .nav-links { gap: 0.55rem; }
    .nav-links a { font-size: 10px; letter-spacing: 0; }
}
