/* ══════════════════════════════════════
    TOKENS & RESET
══════════════════════════════════════ */
:root {
    --primary:       #1a1a1a;
    --accent:        #d4a574;
    --accent-light:  #f0e0cc;
    --accent-dark:   #b8864e;
    --text:          #2d2d2d;
    --text-muted:    #5c5c5c;
    --text-subtle:   #9a9a9a;
    --surface:       #faf9f7;
    --surface-warm:  #f5f2ed;
    --surface-card:  #ffffff;
    --border:        #e8e4de;
    --border-strong: #cec9c1;

    --font-serif: 'Lora', Georgia, serif;
    --font-sans:  'DM Sans', system-ui, sans-serif;
    --font-mono:  'DM Mono', monospace;

    --radius:    6px;
    --radius-lg: 14px;
    --content-w: 700px;
    --layout-w:  1140px;
    --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { font-size: 18px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-serif);
    background: var(--surface);
    color: var(--text);
    line-height: 1.78;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--accent-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.15s;
}
a:hover { color: var(--primary); }

/* ══════════════════════════════════════
    READING PROGRESS
══════════════════════════════════════ */
#progress-bar {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-dark), var(--accent));
    z-index: 9999;
    transition: width 0.08s linear;
}

/* ══════════════════════════════════════
    HEADER
══════════════════════════════════════ */
.site-header {
    position: sticky; top: 0;
    background: rgba(250, 249, 247, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    padding: 0 1.5rem;
}
.site-header__inner {
    max-width: var(--layout-w);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 62px;
}
.site-logo {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    letter-spacing: -0.01em;
}
.site-logo__mark {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
}
.site-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.site-nav a {
    font-family: var(--font-sans);
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.15s;
}
.site-nav a:hover { color: var(--primary); }
.nav-cta {
    background: var(--primary) !important;
    color: #fff !important;
    padding: 0.45rem 1.15rem !important;
    border-radius: var(--radius) !important;
    font-size: 0.82rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.01em;
    transition: background 0.15s !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; color: #fff !important; }

/* ══════════════════════════════════════
    BREADCRUMB
══════════════════════════════════════ */
.breadcrumb {
    max-width: var(--layout-w);
    margin: 0 auto;
    padding: 1.4rem 1.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.76rem;
    color: var(--text-subtle);
    flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-subtle); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb__sep { opacity: 0.45; }
.breadcrumb__current { color: var(--text-muted); }

/* ══════════════════════════════════════
    LAYOUT GRID
══════════════════════════════════════ */
.page-layout {
    max-width: var(--layout-w);
    margin: 0 auto;
    padding: 2.75rem 1.5rem 5.5rem;
    display: grid;
    grid-template-columns: 1fr 270px;
    gap: 4.5rem;
    align-items: start;
}

/* ══════════════════════════════════════
    ARTICLE HEADER
══════════════════════════════════════ */
.article-header { margin-bottom: 2.5rem; }

.article-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-dark);
    text-decoration: none;
    margin-bottom: 1.1rem;
}
.article-eyebrow::before {
    content: '';
    display: inline-block;
    width: 20px; height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.article-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3.5vw, 2.55rem);
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
    letter-spacing: -0.022em;
    margin-bottom: 1rem;
}

.article-subtitle {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 1.85rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}
.meta-author {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}
.meta-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-dark);
    flex-shrink: 0;
    overflow: hidden;
}
.meta-avatar img { width: 100%; height: 100%; object-fit: cover; }
.meta-author-info { display: flex; flex-direction: column; }
.meta-author-name {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.2;
}
.meta-author-role {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    color: var(--text-subtle);
}
.meta-sep { color: var(--border-strong); font-size: 0.55rem; }
.meta-item {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    color: var(--text-subtle);
}

/* ══════════════════════════════════════
    KEY TAKEAWAYS BOX
══════════════════════════════════════ */
.key-takeaways {
    background: var(--surface-warm);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.75rem;
    margin-bottom: 2.75rem;
}
.key-takeaways__label {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-dark);
    margin-bottom: 0.9rem;
}
.key-takeaways ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.key-takeaways li {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text);
    padding-left: 1.25rem;
    position: relative;
    line-height: 1.55;
}
.key-takeaways li::before {
    content: '→';
    position: absolute; left: 0;
    color: var(--accent);
    font-size: 0.82rem;
}

/* ══════════════════════════════════════
    ARTICLE BODY
══════════════════════════════════════ */
.article-body p {
    margin-bottom: 1.55rem;
    font-size: 1rem;
    line-height: 1.88;
    color: var(--text);
}

.article-body h2 {
    font-family: var(--font-serif);
    font-size: 1.42rem;
    font-weight: 700;
    color: var(--primary);
    margin: 2.75rem 0 0.9rem;
    letter-spacing: -0.015em;
    line-height: 1.3;
    scroll-margin-top: 80px;
}
.article-body h2::before {
    content: '';
    display: block;
    width: 24px; height: 2px;
    background: var(--accent);
    border-radius: 1px;
    margin-bottom: 0.6rem;
}

.article-body h3 {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary);
    margin: 2rem 0 0.7rem;
}

.article-body ul, .article-body ol {
    margin: 0 0 1.5rem 1.25rem;
}
.article-body li {
    font-size: 0.96rem;
    line-height: 1.78;
    margin-bottom: 0.45rem;
}
.article-body strong { font-weight: 600; color: var(--primary); }
.article-body em { font-style: italic; }
.article-body code {
    font-family: var(--font-mono);
    font-size: 0.84em;
    background: var(--surface-warm);
    color: var(--accent-dark);
    padding: 0.1em 0.35em;
    border-radius: 3px;
    border: 1px solid var(--border);
}

/* Pull quote */
.pull-quote {
    border-left: 3px solid var(--accent);
    padding: 0.6rem 1.5rem;
    margin: 2rem 0;
    font-family: var(--font-serif);
    font-size: 1.12rem;
    font-style: italic;
    color: var(--text-muted);
    line-height: 1.68;
}
.pull-quote cite {
    display: block;
    margin-top: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.76rem;
    font-style: normal;
    color: var(--text-subtle);
    letter-spacing: 0.05em;
}

/* ══════════════════════════════════════
    STATS GRID
══════════════════════════════════════ */
.stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 2.25rem 0;
}
.stat-card {
    background: var(--surface-warm);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1rem 1rem;
    text-align: center;
}
.stat-card__num {
    font-family: var(--font-serif);
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.3rem;
}
.stat-card__label {
    font-family: var(--font-sans);
    font-size: 0.76rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ══════════════════════════════════════
    TOOL MENTION  (editorial, not ad)
══════════════════════════════════════ */
.tool-mention {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.65rem;
    margin: 2.5rem 0;
    position: relative;
    overflow: hidden;
}
.tool-mention::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
}
.tool-mention__label {
    font-family: var(--font-sans);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-dark);
    margin-bottom: 0.55rem;
}
.tool-mention__body {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.65;
    margin-bottom: 0.85rem;
}
.tool-mention__link {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-dark);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: color 0.15s;
}
.tool-mention__link:hover { color: var(--primary); }
.tool-mention__link::after { content: '→'; }

/* ══════════════════════════════════════
    FAQ
══════════════════════════════════════ */
.faq-section { margin-top: 3.25rem; }
.faq-section__heading {
    font-family: var(--font-serif);
    font-size: 1.42rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.015em;
}
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-of-type { border-top: 1px solid var(--border); }
.faq-question {
    width: 100%;
    background: none; border: none; cursor: pointer;
    text-align: left;
    padding: 1.1rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-sans);
    font-size: 0.94rem;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.45;
    transition: color 0.15s;
}
.faq-question:hover { color: var(--accent-dark); }
.faq-icon {
    flex-shrink: 0;
    width: 22px; height: 22px;
    border: 1.5px solid var(--border-strong);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: transform 0.28s var(--ease-out), border-color 0.15s, color 0.15s;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
    border-color: var(--accent);
    color: var(--accent-dark);
}
.faq-answer {
    font-family: var(--font-sans);
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.78;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.42s var(--ease-out), padding-bottom 0.25s;
    padding-bottom: 0;
}
.faq-item.open .faq-answer {
    max-height: 800px;
    padding-bottom: 1.15rem;
}

/* ══════════════════════════════════════
    END CTA
══════════════════════════════════════ */
.article-cta {
    margin-top: 3.75rem;
    background: var(--primary);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2.25rem;
    position: relative;
    overflow: hidden;
}
.article-cta::after {
    content: '';
    position: absolute;
    top: -50px; right: -50px;
    width: 200px; height: 200px;
    background: var(--accent);
    opacity: 0.06;
    border-radius: 50%;
}
.article-cta__label {
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.7rem;
}
.article-cta__heading {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.3;
    color: #fff;
    margin-bottom: 0.85rem;
}
.article-cta__body {
    font-family: var(--font-sans);
    font-size: 0.87rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.72;
    margin-bottom: 1.5rem;
    max-width: 420px;
}
.article-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--accent);
    color: var(--primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: background 0.15s, transform 0.15s;
}
.article-cta__btn:hover {
    background: #e8b98a;
    color: var(--primary);
    transform: translateY(-1px);
}

/* ══════════════════════════════════════
    TAGS
══════════════════════════════════════ */
.article-tags {
    margin-top: 2.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}
.tag {
    font-family: var(--font-sans);
    font-size: 0.73rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--surface-warm);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0.28rem 0.85rem;
    text-decoration: none;
    transition: border-color 0.15s, color 0.15s;
}
.tag:hover { border-color: var(--accent); color: var(--accent-dark); }

/* ══════════════════════════════════════
    SIDEBAR
══════════════════════════════════════ */
.sidebar { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 1.5rem; }

.widget {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.widget__header {
    padding: 0.85rem 1.25rem;
    background: var(--surface-warm);
    border-bottom: 1px solid var(--border);
    font-family: var(--font-sans);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-subtle);
}
.widget__body { padding: 1.25rem; }

/* TOC */
.toc__list { list-style: none; display: flex; flex-direction: column; gap: 0.05rem; }
.toc__item a {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    color: var(--text-muted);
    text-decoration: none;
    display: block;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    line-height: 1.4;
    border-left: 2px solid transparent;
    transition: color 0.12s, background 0.12s, border-color 0.12s;
}
.toc__item a:hover,
.toc__item.active a {
    color: var(--accent-dark);
    background: var(--surface-warm);
    border-left-color: var(--accent);
}

/* Sidebar CTA widget */
.sidebar-cta-widget .widget__body {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.sidebar-cta-logo {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
}
.sidebar-cta-logo span { color: var(--accent-dark); }
.sidebar-cta-text {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.62;
}
.sidebar-cta-btn {
    display: block;
    text-align: center;
    background: var(--primary);
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.65rem 1rem;
    border-radius: var(--radius);
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: background 0.15s;
}
.sidebar-cta-btn:hover { background: var(--accent-dark); color: #fff; }

/* Related articles */
.related-link {
    display: block;
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    transition: background 0.12s;
}
.related-link:last-child { border-bottom: none; }
.related-link:hover { background: var(--surface-warm); }
.related-link__title {
    font-family: var(--font-sans);
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--primary);
    line-height: 1.4;
    margin-bottom: 0.2rem;
}
.related-link__meta {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    color: var(--text-subtle);
}

/* ══════════════════════════════════════
    FOOTER
══════════════════════════════════════ */
.site-footer {
    background: var(--primary);
    padding: 3rem 1.5rem;
    margin-top: 2rem;
}
.site-footer__inner {
    max-width: var(--layout-w);
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 1.5rem 3rem;
}
.footer-logo {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}
.footer-nav {
    display: flex;
    gap: 1.75rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.footer-nav a {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.45);
    text-decoration: none;
    transition: color 0.15s;
}
.footer-nav a:hover { color: var(--accent); }
.footer-copy {
    grid-column: 1 / -1;
    font-family: var(--font-sans);
    font-size: 0.74rem;
    color: rgba(255,255,255,0.25);
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
}

/* ══════════════════════════════════════
    ANIMATIONS
══════════════════════════════════════ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}
.article-header  { animation: fadeUp 0.5s var(--ease-out) both; }
.key-takeaways   { animation: fadeUp 0.5s 0.08s var(--ease-out) both; }
.article-body    { animation: fadeUp 0.5s 0.15s var(--ease-out) both; }
.sidebar         { animation: fadeUp 0.5s 0.2s var(--ease-out) both; }

/* ══════════════════════════════════════
    RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 920px) {
    .page-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2rem 1.25rem 4rem;
    }
    .sidebar { position: static; }
    .toc-widget { display: none; }
}
@media (max-width: 580px) {
    .site-nav .nav-hide { display: none; }
    .article-title { font-size: 1.65rem; }
    .stat-row { grid-template-columns: 1fr 1fr; }
    .article-cta { padding: 2rem 1.5rem; }
}