:root {
--ink: #0A1628;
--ink-2: #142139;
--ink-3: #1F2E47;
--cream: #FAF6EE;
--paper: #F5F2EA;
--gold: #C8932A;
--gold-bright: #E8B43D;
--gold-soft: #F4E8D0;
--bronze: #8B6914;
--wine: #7A1F2B;
--mist: #C5D0DC;
--mist-2: #8597AF;
--rule: #D9CFB8;
--shadow: 0 30px 60px rgba(10, 22, 40, 0.12);
--shadow-deep: 0 40px 80px rgba(10, 22, 40, 0.25);
} body {
font-family: 'Manrope', -apple-system, sans-serif;
color: var(--ink);
background: var(--cream);
line-height: 1.6;
font-size: 17px;
}
h1, h2, h3, h4, h5, h6 {
font-family: 'Spectral', Georgia, serif;
font-weight: 600;
letter-spacing: -0.015em;
line-height: 1.15;
color: var(--ink);
margin: 0 0 0.5em;
}
a { color: inherit; text-decoration: none; transition: color 0.15s; } .site .grid-container, .grid-container.grid-parent.site-content { max-width: 1200px; }
.entry-content { max-width: 880px; margin: 0 auto; } .serif { font-family: 'Spectral', Georgia, serif; }
.sans { font-family: 'Manrope', -apple-system, sans-serif; }
.mono { font-family: 'JetBrains Mono', monospace; }
.eyebrow {
font-family: 'Manrope', sans-serif;
font-size: 12px;
letter-spacing: 0.22em;
text-transform: uppercase;
font-weight: 700;
color: var(--gold);
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; } .site-header.pf-header {
position: sticky;
top: 0;
z-index: 100;
background: rgba(250, 246, 238, 0.92);
backdrop-filter: blur(12px);
border-bottom: 1px solid var(--rule);
padding: 0;
}
.pf-nav-inner {
display: flex;
align-items: center;
justify-content: space-between;
padding: 18px 24px;
max-width: 1200px;
margin: 0 auto;
}
.pf-logo {
display: flex;
align-items: center;
gap: 12px;
font-family: 'Spectral', Georgia, serif;
font-size: 22px;
font-weight: 700;
color: var(--ink);
letter-spacing: -0.02em;
}
.pf-logo:hover { color: var(--ink); }
.pf-logo-mark { width: 36px; height: 36px; flex-shrink: 0; } .pf-header .pf-logo,
.pf-header a.pf-logo,
.site-header .pf-logo,
body .pf-header .pf-logo,
.pf-header .pf-logo:link,
.pf-header .pf-logo:visited,
.pf-header .pf-logo:hover,
.pf-header .pf-logo:focus,
.pf-header .pf-logo:active {
color: var(--ink) !important;
}
.pf-nav-links {
display: flex;
gap: 30px;
align-items: center;
font-size: 14px;
font-weight: 500;
list-style: none;
margin: 0;
padding: 0;
}
.pf-nav-links a {
color: var(--ink-3);
transition: color 0.15s;
}
.pf-nav-links a:hover { color: var(--gold); }
.pf-nav-cta {
background: var(--ink);
color: var(--cream) !important;
padding: 10px 20px;
border-radius: 2px;
font-size: 13px;
font-weight: 600;
letter-spacing: 0.05em;
text-transform: uppercase;
border: none;
transition: all 0.15s;
}
.pf-nav-cta:hover {
background: var(--wine);
color: var(--cream) !important;
}
.pf-mobile-toggle {
display: none;
background: none;
border: none;
color: var(--ink);
cursor: pointer;
padding: 8px;
}
@media (max-width: 1024px) {
.pf-nav-links { display: none; }
.pf-mobile-toggle { display: block; }
.pf-nav-cta { display: none; }
.pf-nav-links.mobile-open {
display: flex;
flex-direction: column;
position: absolute;
top: 100%;
left: 0;
right: 0;
background: var(--cream);
padding: 24px;
border-bottom: 1px solid var(--rule);
gap: 20px;
}
} .pf-breadcrumbs {
background: var(--paper);
padding: 14px 0;
border-bottom: 1px solid var(--rule);
font-size: 13px;
color: var(--ink-3);
}
.pf-breadcrumbs a {
color: var(--ink-3);
transition: color 0.15s;
border-bottom: none;
}
.pf-breadcrumbs a:hover { color: var(--gold); }
.pf-breadcrumbs .sep { color: var(--mist-2); margin: 0 8px; }
.pf-breadcrumbs .current { color: var(--gold); font-weight: 600; } .pf-article-header {
background: var(--ink);
color: var(--cream);
padding: 80px 0 60px;
text-align: center;
}
.pf-article-header .eyebrow {
display: inline-block;
padding: 6px 14px;
border: 1px solid rgba(200, 147, 42, 0.4);
border-radius: 999px;
margin-bottom: 20px;
}
.pf-article-header h1 {
font-size: clamp(34px, 5vw, 56px);
color: var(--cream);
max-width: 900px;
margin: 0 auto 24px;
line-height: 1.1;
}
.pf-article-meta {
display: flex;
justify-content: center;
align-items: center;
gap: 20px;
font-size: 13px;
color: var(--mist);
flex-wrap: wrap;
}
.pf-article-meta .pf-meta-sep { color: var(--mist-2); }
.pf-article-author-mini {
display: inline-flex;
align-items: center;
gap: 10px;
}
.pf-author-avatar {
width: 32px;
height: 32px;
border-radius: 50%;
background: var(--ink-2);
color: var(--gold);
display: inline-flex;
align-items: center;
justify-content: center;
font-family: 'Spectral', serif;
font-size: 14px;
font-weight: 600;
} .pf-article-layout {
display: grid;
grid-template-columns: 240px 1fr;
gap: 60px;
max-width: 1200px;
margin: 0 auto;
padding: 60px 24px;
}
@media (max-width: 960px) {
.pf-article-layout {
grid-template-columns: 1fr;
gap: 30px;
}
} .pf-toc {
position: sticky;
top: 90px;
align-self: start;
max-height: calc(100vh - 120px);
overflow-y: auto;
}
.pf-toc-title {
font-family: 'Manrope', sans-serif;
font-size: 11px;
letter-spacing: 0.18em;
text-transform: uppercase;
font-weight: 700;
color: var(--inkSoft);
margin-bottom: 16px;
padding-bottom: 10px;
border-bottom: 1px solid var(--rule);
}
.pf-toc ul { list-style: none; padding: 0; margin: 0; }
.pf-toc li { margin-bottom: 8px; }
.pf-toc a {
font-size: 14px;
color: var(--ink-3);
display: block;
padding: 4px 0;
border-left: 2px solid transparent;
padding-left: 12px;
margin-left: -12px;
transition: all 0.15s;
border-bottom: none;
line-height: 1.4;
}
.pf-toc a:hover, .pf-toc a.active {
color: var(--gold);
border-left-color: var(--gold);
}
@media (max-width: 960px) {
.pf-toc {
position: static;
max-height: none;
padding: 20px;
background: var(--paper);
border-left: 4px solid var(--gold);
}
} .pf-citation {
background: var(--paper);
border-left: 4px solid var(--gold);
padding: 32px 36px;
margin: 0 0 48px;
}
.pf-citation .eyebrow { margin-bottom: 12px; }
.pf-citation p {
font-family: 'Spectral', serif;
font-size: 20px;
line-height: 1.55;
color: var(--ink);
margin: 0;
font-weight: 400;
}
.pf-citation strong { font-weight: 600; color: var(--wine); }
@media (max-width: 640px) {
.pf-citation { padding: 24px 22px; }
.pf-citation p { font-size: 17px; }
} .pf-article-body {
font-size: 17px;
line-height: 1.75;
color: var(--ink);
}
.pf-article-body h2 {
font-size: 32px;
margin-top: 64px;
margin-bottom: 20px;
padding-bottom: 12px;
border-bottom: 2px solid var(--gold);
display: inline-block;
}
.pf-article-body h3 {
font-size: 24px;
margin-top: 40px;
margin-bottom: 16px;
}
.pf-article-body h4 {
font-size: 20px;
margin-top: 32px;
margin-bottom: 12px;
}
.pf-article-body p { margin: 0 0 22px; }
.pf-article-body ul,
.pf-article-body ol { margin: 0 0 22px; padding-left: 24px; }
.pf-article-body li { margin-bottom: 10px; }
.pf-article-body strong { color: var(--wine); }
.pf-article-body a {
color: var(--gold);
border-bottom: 1px solid currentColor;
}
.pf-article-body a:hover { color: var(--wine); }
.pf-article-body blockquote {
border-left: 4px solid var(--gold);
padding: 8px 24px;
margin: 32px 0;
background: var(--paper);
font-family: 'Spectral', serif;
font-style: italic;
font-size: 19px;
color: var(--ink-3);
}
.pf-article-body code {
font-family: 'JetBrains Mono', monospace;
background: var(--paper);
padding: 2px 8px;
border-radius: 2px;
font-size: 0.9em;
color: var(--wine);
}
.pf-article-body pre {
background: var(--ink);
color: var(--cream);
padding: 20px 24px;
border-radius: 2px;
overflow-x: auto;
font-family: 'JetBrains Mono', monospace;
font-size: 14px;
line-height: 1.6;
}
.pf-article-body img {
max-width: 100%;
height: auto;
margin: 32px 0;
border-radius: 2px;
}
.pf-article-body table {
width: 100%;
border-collapse: collapse;
margin: 32px 0;
background: var(--paper);
border: 1px solid var(--rule);
}
.pf-article-body table th {
background: var(--ink);
color: var(--cream);
text-align: left;
padding: 12px 16px;
font-family: 'Manrope', sans-serif;
font-size: 12px;
letter-spacing: 0.1em;
text-transform: uppercase;
}
.pf-article-body table td {
padding: 12px 16px;
border-bottom: 1px solid var(--rule);
font-size: 15px;
} .pf-formula {
background: var(--ink);
color: var(--gold);
padding: 24px 32px;
border-radius: 2px;
margin: 32px 0;
font-family: 'JetBrains Mono', monospace;
font-size: 20px;
text-align: center;
position: relative;
box-shadow: var(--shadow);
}
.pf-formula::before {
content: 'FORMULA';
position: absolute;
top: 8px;
left: 16px;
font-size: 9px;
letter-spacing: 0.2em;
color: var(--mist-2);
font-family: 'Manrope', sans-serif;
} .pf-sim-slot {
background: var(--ink);
border-radius: 4px;
padding: 0;
margin: 48px 0;
overflow: hidden;
box-shadow: var(--shadow-deep);
}
.pf-sim-slot-header {
padding: 16px 24px;
background: var(--ink-2);
border-bottom: 1px solid var(--ink-3);
display: flex;
align-items: center;
gap: 12px;
}
.pf-sim-slot-header .icon-dot {
width: 10px;
height: 10px;
background: var(--gold);
border-radius: 50%;
animation: pf-pulse 2s ease-in-out infinite;
}
@keyframes pf-pulse {
0%, 100% { opacity: 1; }
50% { opacity: 0.4; }
}
.pf-sim-slot-header .label {
font-family: 'Manrope', sans-serif;
font-size: 11px;
letter-spacing: 0.18em;
text-transform: uppercase;
font-weight: 700;
color: var(--mist);
}
.pf-sim-slot-body {
padding: 24px;
color: var(--cream);
}
.pf-sim-placeholder {
background: rgba(245, 242, 234, 0.05);
border: 1px dashed rgba(245, 242, 234, 0.2);
padding: 60px 24px;
text-align: center;
border-radius: 2px;
}
.pf-sim-placeholder p {
color: var(--mist);
margin: 0;
font-style: italic;
} .pf-problems {
margin: 64px 0;
}
.pf-problems-header {
display: flex;
align-items: center;
gap: 14px;
margin-bottom: 32px;
}
.pf-problems-header .ico {
width: 40px;
height: 40px;
background: var(--gold);
color: var(--ink);
border-radius: 2px;
display: flex;
align-items: center;
justify-content: center;
flex-shrink: 0;
}
.pf-problems-header h2 {
margin: 0;
padding: 0;
border: none;
font-size: 32px;
}
.pf-problem {
background: var(--paper);
border: 1px solid var(--rule);
padding: 28px 32px;
margin-bottom: 20px;
transition: all 0.2s;
}
.pf-problem:hover {
border-color: var(--gold);
box-shadow: var(--shadow);
}
.pf-problem-num {
font-family: 'Spectral', serif;
font-style: italic;
font-size: 14px;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--gold);
font-weight: 600;
margin-bottom: 8px;
}
.pf-problem-question {
font-family: 'Spectral', serif;
font-size: 19px;
line-height: 1.5;
color: var(--ink);
margin-bottom: 16px;
font-weight: 500;
}
.pf-problem details {
margin-top: 16px;
}
.pf-problem summary {
cursor: pointer;
list-style: none;
display: inline-flex;
align-items: center;
gap: 8px;
background: var(--ink);
color: var(--cream);
padding: 10px 18px;
border-radius: 2px;
font-family: 'Manrope', sans-serif;
font-size: 12px;
letter-spacing: 0.1em;
text-transform: uppercase;
font-weight: 700;
transition: background 0.15s;
}
.pf-problem summary::-webkit-details-marker { display: none; }
.pf-problem summary:hover { background: var(--wine); }
.pf-problem summary::after {
content: '+';
font-family: 'Spectral', serif;
font-size: 18px;
margin-left: 4px;
}
.pf-problem details[open] summary::after { content: '−'; }
.pf-problem details[open] summary { background: var(--wine); }
.pf-problem-solution {
margin-top: 16px;
padding: 20px;
background: var(--cream);
border-left: 3px solid var(--gold);
font-size: 15px;
line-height: 1.7;
} .pf-faq {
margin: 64px 0;
padding: 48px;
background: var(--paper);
border-radius: 4px;
}
.pf-faq h2 {
margin-top: 0;
border: none;
padding-bottom: 0;
}
.pf-faq-item {
border-bottom: 1px solid var(--rule);
padding: 4px 0;
}
.pf-faq-item:last-child { border-bottom: none; }
.pf-faq-item summary {
list-style: none;
cursor: pointer;
padding: 24px 60px 24px 0;
font-family: 'Spectral', serif;
font-size: 20px;
font-weight: 500;
color: var(--ink);
position: relative;
transition: color 0.15s;
}
.pf-faq-item summary::-webkit-details-marker { display: none; }
.pf-faq-item summary:hover { color: var(--wine); }
.pf-faq-item summary::after {
content: '+';
position: absolute;
right: 8px;
top: 50%;
transform: translateY(-50%);
font-family: 'Spectral', serif;
font-size: 28px;
color: var(--gold);
font-weight: 300;
}
.pf-faq-item[open] summary::after { content: '−'; }
.pf-faq-item-answer {
padding: 0 60px 24px 0;
font-size: 16px;
color: var(--ink-3);
line-height: 1.7;
}
@media (max-width: 640px) {
.pf-faq { padding: 32px 24px; }
.pf-faq-item summary { font-size: 17px; padding-right: 40px; }
.pf-faq-item-answer { padding-right: 0; font-size: 15px; }
} .pf-author-bio {
margin: 64px 0;
padding: 32px;
background: var(--ink);
color: var(--cream);
border-radius: 4px;
display: flex;
gap: 24px;
align-items: center;
}
.pf-author-bio .pf-author-avatar {
width: 72px;
height: 72px;
font-size: 32px;
flex-shrink: 0;
}
.pf-author-bio-content h4 {
color: var(--cream);
font-family: 'Spectral', serif;
font-size: 22px;
margin: 0 0 4px;
}
.pf-author-bio-content .role {
font-size: 11px;
letter-spacing: 0.15em;
text-transform: uppercase;
color: var(--gold);
font-weight: 700;
margin-bottom: 10px;
}
.pf-author-bio-content p {
color: var(--mist);
font-size: 14px;
margin: 0 0 8px;
line-height: 1.6;
}
.pf-author-bio-content a {
color: var(--gold);
font-size: 12px;
letter-spacing: 0.1em;
text-transform: uppercase;
font-weight: 700;
border: none;
}
@media (max-width: 640px) {
.pf-author-bio { flex-direction: column; text-align: center; }
} .pf-related {
background: var(--paper);
padding: 80px 0;
margin-top: 80px;
}
.pf-related-header {
text-align: center;
margin-bottom: 40px;
}
.pf-related-header .eyebrow {
display: block;
margin-bottom: 8px;
}
.pf-related-header h2 {
font-size: 36px;
margin: 0;
border: none;
padding: 0;
}
.pf-related-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
gap: 24px;
max-width: 1200px;
margin: 0 auto;
padding: 0 24px;
}
.pf-related-card {
background: var(--cream);
border: 1px solid var(--rule);
transition: all 0.25s;
display: flex;
flex-direction: column;
}
.pf-related-card:hover {
transform: translateY(-4px);
box-shadow: var(--shadow);
border-color: var(--gold);
}
.pf-related-card a { border: none; color: var(--ink); }
.pf-related-card-cover {
aspect-ratio: 16 / 9;
background: var(--ink);
position: relative;
overflow: hidden;
}
.pf-related-card-cover img {
width: 100%;
height: 100%;
object-fit: cover;
margin: 0;
}
.pf-related-card-body {
padding: 20px 22px;
display: flex;
flex-direction: column;
flex: 1;
}
.pf-related-cat {
font-size: 11px;
letter-spacing: 0.12em;
text-transform: uppercase;
font-weight: 700;
color: var(--gold);
margin-bottom: 8px;
}
.pf-related-card h3 {
font-size: 19px;
margin: 0 0 8px;
line-height: 1.3;
}
.pf-related-card .excerpt {
font-size: 14px;
color: var(--ink-3);
margin: 0 0 14px;
line-height: 1.5;
flex: 1;
}
.pf-related-card .read {
font-size: 11px;
letter-spacing: 0.12em;
text-transform: uppercase;
font-weight: 700;
color: var(--gold);
} .pf-archive-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
gap: 32px;
padding: 40px 0;
} .pf-footer {
background: var(--ink);
color: var(--mist);
padding: 80px 0 32px;
margin-top: 80px;
}
.pf-footer-grid {
display: grid;
grid-template-columns: 1.5fr 1fr 1fr 1fr;
gap: 60px;
margin-bottom: 60px;
max-width: 1200px;
margin-left: auto;
margin-right: auto;
padding: 0 24px;
}
@media (max-width: 900px) {
.pf-footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 540px) {
.pf-footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
.pf-footer-brand .pf-logo,
.pf-footer .pf-footer-brand .pf-logo,
body .pf-footer-brand a.pf-logo,
.pf-footer-brand .pf-logo:hover,
.pf-footer-brand .pf-logo:link,
.pf-footer-brand .pf-logo:visited {
color: var(--cream) !important;
margin-bottom: 16px;
}
.pf-footer-brand p {
font-size: 14px;
line-height: 1.6;
max-width: 320px;
color: var(--mist);
}
.pf-footer-col h4 {
font-family: 'Manrope', sans-serif;
font-size: 11px;
letter-spacing: 0.18em;
text-transform: uppercase;
font-weight: 700;
color: var(--cream);
margin: 0 0 20px;
border: none;
padding: 0;
}
.pf-footer-col ul {
list-style: none;
padding: 0;
margin: 0;
display: flex;
flex-direction: column;
gap: 10px;
}
.pf-footer-col a {
color: var(--mist);
font-size: 14px;
transition: color 0.15s;
border: none;
}
.pf-footer-col a:hover { color: var(--gold); }
.pf-footer-bottom {
padding: 32px 24px 0;
max-width: 1200px;
margin: 0 auto;
border-top: 1px solid rgba(197, 208, 220, 0.1);
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 16px;
font-size: 12px;
color: var(--mist-2);
letter-spacing: 0.04em;
}
.pf-footer-social {
display: flex;
gap: 12px;
}
.pf-footer-social a {
width: 36px;
height: 36px;
border: 1px solid rgba(197, 208, 220, 0.2);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
transition: all 0.15s;
color: var(--mist);
}
.pf-footer-social a:hover {
border-color: var(--gold);
color: var(--gold);
} .site-header.pf-replace-default,
.site-footer.pf-replace-default {
display: none !important;
}  body .site.grid-container,
body .grid-container.grid-parent,
body .grid-container,
body .inside-article,
body .site-content,
body #page,
body .site-main {
max-width: none !important;
width: 100% !important;
padding: 0 !important;
margin: 0 !important;
} body .site-header.pf-header {
max-width: none !important;
width: 100% !important;
padding: 0 !important;
margin: 0 !important;
background: rgba(250, 246, 238, 0.92) !important;
}
body .site-header.pf-header .pf-nav-inner {
max-width: 1200px;
margin: 0 auto;
padding: 18px 24px;
background: transparent;
} body .pf-footer {
max-width: none !important;
width: 100% !important;
margin-left: 0 !important;
margin-right: 0 !important;
padding-left: 0;
padding-right: 0;
} body .content-area,
body .site-content > .container,
body .site-content > .grid-container {
width: 100% !important;
max-width: none !important;
float: none !important;
}
body #right-sidebar,
body #left-sidebar,
body .widget-area {
display: none !important;
} body .site-content,
body #content,
body .site-content.grid-container {
display: block !important;
flex-direction: column !important;
}
body .content-area,
body #primary.content-area {
flex: 1 1 100% !important;
flex-basis: 100% !important;
width: 100% !important;
max-width: 100% !important;
float: none !important;
}
body #right-sidebar,
body #left-sidebar,
body .widget-area.grid-parent {
display: none !important;
width: 0 !important;
flex: 0 0 0 !important;
}
body .site-main,
body #main.site-main {
width: 100% !important;
max-width: 100% !important;
} body article.post,
body article.page,
body .inside-article {
padding: 0 !important;
margin: 0 !important;
background: transparent !important;
border: none !important;
box-shadow: none !important;
} body .pf-article-header {
width: 100% !important;
max-width: none !important;
margin: 0 !important;
padding: 80px 24px 60px;
background: var(--ink) !important;
} body .pf-article-layout {
background: var(--cream);
width: 100% !important;
max-width: 1200px !important;
margin: 0 auto !important;
padding: 60px 24px !important;
} body .pf-archive-grid {
max-width: 1200px !important;
margin: 0 auto !important;
padding: 40px 24px 80px !important;
} .container {
max-width: 1200px;
margin: 0 auto;
padding: 0 24px;
width: 100%;
}
.container-narrow {
max-width: 880px;
margin: 0 auto;
padding: 0 24px;
width: 100%;
}  body .pf-article-header,
body .pf-article-layout,
body .pf-related,
body article.pf-article-layout {
margin-left: auto !important;
margin-right: auto !important;
float: none !important;
box-sizing: border-box !important;
} body .pf-article-header {
display: block !important;
width: 100vw !important;
max-width: 100vw !important;
margin-left: calc(50% - 50vw) !important;
margin-right: calc(50% - 50vw) !important;
padding: 80px 24px 60px !important;
text-align: center !important;
background: var(--ink) !important;
}
body .pf-article-header .container-narrow {
max-width: 880px !important;
margin-left: auto !important;
margin-right: auto !important;
width: 100% !important;
float: none !important;
text-align: center !important;
}
body .pf-article-header h1 {
margin-left: auto !important;
margin-right: auto !important;
}
body .pf-article-meta {
justify-content: center !important;
} body article.pf-article-layout,
body .pf-article-layout {
display: grid !important;
grid-template-columns: 240px 1fr !important;
gap: 60px !important;
width: 100% !important;
max-width: 1200px !important;
margin: 0 auto !important;
padding: 60px 24px !important;
box-sizing: border-box !important;
} body .pf-toc {
margin-left: 0 !important;
padding-left: 0 !important;
min-width: 0 !important;
} @media (max-width: 960px) {
body article.pf-article-layout,
body .pf-article-layout {
grid-template-columns: 1fr !important;
gap: 30px !important;
}
} body .pf-related {
width: 100vw !important;
max-width: 100vw !important;
margin-left: calc(50% - 50vw) !important;
margin-right: calc(50% - 50vw) !important;
}