:root {
    --bi-ink: #20231f;
    --bi-muted: #6e7068;
    --bi-paper: #f7f3ea;
    --bi-paper-deep: #eee7da;
    --bi-card: #fffdf8;
    --bi-line: #ded7ca;
    --bi-terracotta: #a5533d;
    --bi-terracotta-dark: #813e2f;
    --bi-olive: #66705b;
    --bi-gold: #c38b4a;
    --bi-serif: "Fraunces", Georgia, serif;
    --bi-sans: "Manrope", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--bi-paper); }
body.bi-body {
    margin: 0;
    background:
        radial-gradient(circle at 8% 5%, rgba(195,139,74,.11), transparent 24rem),
        radial-gradient(circle at 92% 24%, rgba(102,112,91,.09), transparent 28rem),
        var(--bi-paper);
    color: var(--bi-ink);
    font-family: var(--bi-sans);
    font-size: 15px;
    line-height: 1.65;
}
.bi-shell { min-height: 100vh; }
.bi-container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.bi-serif { font-family: var(--bi-serif); }
.bi-kicker { color: var(--bi-terracotta); font-size: .7rem; font-weight: 800; letter-spacing: .19em; text-transform: uppercase; }
.bi-rule { border: 0; border-top: 1px solid var(--bi-line); margin: 1.5rem 0; }
.bi-button { display: inline-flex; align-items: center; gap: .55rem; border-radius: 999px; padding: .7rem 1.1rem; font-size: .8rem; font-weight: 800; text-decoration: none; transition: .2s ease; }
.bi-button-primary { background: var(--bi-terracotta); color: #fff; }
.bi-button-primary:hover { background: var(--bi-terracotta-dark); transform: translateY(-1px); }
.bi-button-light { border: 1px solid var(--bi-line); color: var(--bi-ink); background: rgba(255,253,248,.7); }
.bi-button-light:hover { border-color: var(--bi-terracotta); color: var(--bi-terracotta); }
.bi-link { color: var(--bi-terracotta); font-weight: 800; text-decoration: none; }
.bi-link:hover { color: var(--bi-terracotta-dark); }

.bi-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid rgba(222,215,202,.9); background: rgba(247,243,234,.92); backdrop-filter: blur(16px); }
.bi-header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 1rem; }
.bi-brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--bi-ink); text-decoration: none; }
.bi-brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--bi-terracotta); color: #fff; font-family: var(--bi-serif); font-size: 1.1rem; }
.bi-brand-name { font-family: var(--bi-serif); font-size: 1.25rem; font-weight: 700; line-height: 1; }
.bi-brand-tagline { margin-top: .25rem; color: var(--bi-muted); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.bi-nav { display: flex; align-items: center; gap: .15rem; }
.bi-nav a { border-radius: 999px; color: var(--bi-muted); padding: .5rem .75rem; font-size: .78rem; font-weight: 800; text-decoration: none; }
.bi-nav a:hover, .bi-nav a.is-active { background: var(--bi-paper-deep); color: var(--bi-terracotta); }
.bi-nav-search { display: grid; place-items: center; width: 36px; height: 36px; margin-left: .35rem; border: 1px solid var(--bi-line); border-radius: 50%; color: var(--bi-ink); text-decoration: none; }
.bi-menu-toggle { display: none; border: 0; background: transparent; color: var(--bi-ink); font-size: 1.5rem; }
.bi-mobile-nav { display: none; padding: .5rem 0 1rem; }
.bi-mobile-nav a { display: block; border-bottom: 1px solid var(--bi-line); padding: .7rem 0; color: var(--bi-ink); font-weight: 800; text-decoration: none; }

.bi-main { padding: 3rem 0 5rem; }
.bi-home-hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2.75rem; align-items: center; padding: 2.25rem 0 3.5rem; }
.bi-home-hero h1 { max-width: 700px; margin: .7rem 0 1rem; font-size: clamp(2.55rem, 5vw, 5.5rem); font-weight: 650; letter-spacing: -.045em; line-height: .98; }
.bi-home-hero h1 em { color: var(--bi-terracotta); font-style: normal; }
.bi-home-hero p { max-width: 600px; margin: 0; color: var(--bi-muted); font-size: 1.05rem; }
.bi-hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.bi-hero-note { display: flex; align-items: center; gap: .6rem; margin-top: 1.4rem; color: var(--bi-muted); font-size: .75rem; }
.bi-hero-note span { width: 9px; height: 9px; border-radius: 50%; background: var(--bi-olive); box-shadow: 0 0 0 5px rgba(102,112,91,.13); }
.bi-hero-art { position: relative; min-height: 390px; }
.bi-hero-art::before { position: absolute; inset: 1.5rem 0 0 1.5rem; border: 1px solid var(--bi-line); border-radius: 46% 54% 42% 58% / 52% 42% 58% 48%; content: ""; transform: rotate(-8deg); }
.bi-hero-card { position: absolute; inset: 0 1rem 1rem 0; overflow: hidden; border-radius: 46% 54% 42% 58% / 52% 42% 58% 48%; background: var(--bi-terracotta); box-shadow: 14px 18px 0 rgba(102,112,91,.13); }
.bi-hero-card img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; opacity: .78; }
.bi-hero-card-overlay { position: absolute; inset: 0; display: flex; align-items: flex-end; padding: 2rem; background: linear-gradient(180deg, transparent 35%, rgba(32,35,31,.8)); color: #fff; }
.bi-hero-card-overlay blockquote { margin: 0; font-family: var(--bi-serif); font-size: clamp(1.3rem, 2.5vw, 2rem); line-height: 1.1; }
.bi-hero-card-overlay cite { display: block; margin-top: .75rem; color: rgba(255,255,255,.76); font-family: var(--bi-sans); font-size: .7rem; font-style: normal; letter-spacing: .14em; text-transform: uppercase; }

.bi-section { margin-top: 3.5rem; }
.bi-section-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.bi-section-title { margin: .25rem 0 0; font-family: var(--bi-serif); font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.05; }
.bi-section-intro { max-width: 520px; margin: .75rem 0 0; color: var(--bi-muted); }
.bi-feature-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 1.25rem; }
.bi-feature-card, .bi-story-card, .bi-paper-card, .bi-sidebar-card { border: 1px solid var(--bi-line); background: rgba(255,253,248,.82); }
.bi-feature-card { display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; border-radius: 1.5rem; }
.bi-feature-card .bi-cover { min-height: 330px; }
.bi-cover { position: relative; overflow: hidden; background: var(--bi-paper-deep); }
.bi-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.bi-feature-card:hover img, .bi-story-card:hover img { transform: scale(1.035); }
.bi-cover-placeholder { display: grid; place-items: center; height: 100%; color: var(--bi-terracotta); font-family: var(--bi-serif); font-size: 4rem; }
.bi-feature-copy { display: flex; flex-direction: column; justify-content: center; padding: 2rem; }
.bi-feature-copy h3 { margin: .6rem 0 .75rem; font-family: var(--bi-serif); font-size: clamp(1.65rem, 3vw, 2.8rem); line-height: 1.03; }
.bi-feature-copy p { margin: 0; color: var(--bi-muted); }
.bi-meta { display: flex; flex-wrap: wrap; gap: .5rem 1rem; color: var(--bi-muted); font-size: .72rem; }
.bi-meta strong { color: var(--bi-terracotta); }
.bi-mini-list { display: grid; gap: .75rem; }
.bi-mini-item { display: grid; grid-template-columns: 94px 1fr; gap: .9rem; padding: .6rem; border-bottom: 1px solid var(--bi-line); text-decoration: none; }
.bi-mini-item:last-child { border-bottom: 0; }
.bi-mini-item .bi-cover { height: 76px; border-radius: .8rem; }
.bi-mini-item h4 { margin: .2rem 0; color: var(--bi-ink); font-family: var(--bi-serif); font-size: 1.1rem; line-height: 1.12; }
.bi-mini-item p { margin: 0; color: var(--bi-muted); font-size: .72rem; }
.bi-story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.bi-story-card { overflow: hidden; border-radius: 1.2rem; text-decoration: none; }
.bi-story-card .bi-cover { height: 190px; }
.bi-story-copy { padding: 1rem 1.1rem 1.15rem; }
.bi-story-copy h3 { margin: .35rem 0 .45rem; color: var(--bi-ink); font-family: var(--bi-serif); font-size: 1.35rem; line-height: 1.1; }
.bi-story-copy p { margin: 0; color: var(--bi-muted); font-size: .8rem; }
.bi-topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; }
.bi-topic { min-height: 130px; padding: 1.15rem; border: 1px solid var(--bi-line); border-radius: 1rem; background: var(--bi-card); text-decoration: none; }
.bi-topic:hover { border-color: var(--bi-terracotta); transform: translateY(-2px); }
.bi-topic-number { color: var(--bi-terracotta); font-size: .7rem; font-weight: 900; letter-spacing: .16em; }
.bi-topic h3 { margin: .75rem 0 0; color: var(--bi-ink); font-family: var(--bi-serif); font-size: 1.35rem; line-height: 1.05; }
.bi-letter { display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 2rem; padding: 2rem; border-radius: 1.5rem; background: var(--bi-ink); color: #fff; }
.bi-letter-label { color: #d7b07b; font-size: .7rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.bi-letter h2 { margin: .5rem 0; font-family: var(--bi-serif); font-size: clamp(1.9rem, 3.5vw, 3.3rem); line-height: 1; }
.bi-letter p { margin: 0; color: rgba(255,255,255,.7); }
.bi-letter .bi-button-light { border-color: rgba(255,255,255,.28); color: #fff; background: transparent; }

.bi-page-heading { padding: 1.5rem 0 2rem; border-bottom: 1px solid var(--bi-line); }
.bi-page-heading h1 { margin: .45rem 0; font-family: var(--bi-serif); font-size: clamp(2.2rem, 5vw, 4.4rem); line-height: .98; }
.bi-page-heading p { max-width: 700px; margin: 0; color: var(--bi-muted); }
.bi-filter { display: flex; flex-wrap: wrap; align-items: center; gap: .65rem; margin: 1.25rem 0; }
.bi-filter form { display: flex; gap: .5rem; flex: 1 1 280px; }
.bi-input, .bi-select { width: 100%; border: 1px solid var(--bi-line); border-radius: 999px; background: var(--bi-card); color: var(--bi-ink); padding: .7rem 1rem; font: inherit; font-size: .8rem; outline: none; }
.bi-input:focus, .bi-select:focus { border-color: var(--bi-terracotta); box-shadow: 0 0 0 3px rgba(165,83,61,.1); }
.bi-filter-chip { border: 1px solid var(--bi-line); border-radius: 999px; padding: .55rem .8rem; color: var(--bi-muted); font-size: .72rem; text-decoration: none; }
.bi-filter-chip:hover, .bi-filter-chip.is-active { border-color: var(--bi-terracotta); background: rgba(165,83,61,.08); color: var(--bi-terracotta); }
.bi-list-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 2rem; }
.bi-list { display: grid; gap: 1rem; }
.bi-list .bi-story-card { display: grid; grid-template-columns: 220px 1fr; }
.bi-list .bi-story-card .bi-cover { height: 100%; min-height: 180px; }
.bi-list .bi-story-copy { padding: 1.25rem 1.4rem; }
.bi-sidebar-card { border-radius: 1rem; padding: 1.1rem; }
.bi-sidebar-card + .bi-sidebar-card { margin-top: 1rem; }
.bi-sidebar-card h3 { margin: 0 0 .8rem; font-family: var(--bi-serif); font-size: 1.3rem; }
.bi-sidebar-links { display: flex; flex-wrap: wrap; gap: .45rem; }
.bi-sidebar-links a { border-radius: 999px; background: var(--bi-paper-deep); color: var(--bi-ink); padding: .4rem .65rem; font-size: .7rem; text-decoration: none; }
.bi-sidebar-links a:hover { background: var(--bi-terracotta); color: #fff; }
.bi-sidebar-list { display: grid; gap: .65rem; }
.bi-sidebar-list a { color: var(--bi-ink); font-family: var(--bi-serif); font-size: 1rem; line-height: 1.15; text-decoration: none; }
.bi-sidebar-list a:hover { color: var(--bi-terracotta); }

.bi-detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 2.5rem; align-items: start; }
.bi-article { max-width: 820px; }
.bi-article-header { padding-bottom: 1.5rem; border-bottom: 1px solid var(--bi-line); }
.bi-article h1 { margin: .65rem 0 1rem; font-family: var(--bi-serif); font-size: clamp(2.5rem, 6vw, 5rem); letter-spacing: -.04em; line-height: .98; }
.bi-article-dek { max-width: 700px; color: var(--bi-muted); font-size: 1.1rem; }
.bi-article-image { max-height: 560px; width: 100%; margin: 1.8rem 0; border-radius: 1.2rem; object-fit: cover; }
.bi-richtext { color: #3e423c; font-family: var(--bi-serif); font-size: 1.15rem; line-height: 1.9; }
.bi-richtext p { margin: 0 0 1.25em; }
.bi-richtext > span { display: block; margin: 0 0 1.25em; }
.bi-richtext > b { display: block; margin: 1.5rem 0; text-align: center; letter-spacing: .25em; }
.bi-richtext h2, .bi-richtext h3 { margin: 1.8em 0 .55em; color: var(--bi-ink); line-height: 1.1; }
.bi-richtext h2 { font-size: 1.8rem; }
.bi-richtext h3 { font-size: 1.4rem; }
.bi-richtext img { max-width: 100%; height: auto; margin: 1.5rem auto; border-radius: .75rem; }
.bi-richtext blockquote { margin: 1.5rem 0; padding: 1rem 1.2rem; border-left: 3px solid var(--bi-terracotta); color: var(--bi-terracotta-dark); font-size: 1.35rem; font-style: italic; }
.bi-richtext a { color: var(--bi-terracotta); text-decoration: underline; text-decoration-thickness: .08em; text-underline-offset: .15em; }
.bi-share { display: flex; flex-wrap: wrap; gap: .5rem; padding-top: 1.25rem; border-top: 1px solid var(--bi-line); }
.bi-share a, .bi-share button { border: 1px solid var(--bi-line); border-radius: 999px; background: transparent; color: var(--bi-muted); cursor: pointer; padding: .5rem .75rem; font: inherit; font-size: .72rem; text-decoration: none; }
.bi-share a:hover, .bi-share button:hover { border-color: var(--bi-terracotta); color: var(--bi-terracotta); }

.bi-footer { border-top: 1px solid var(--bi-line); padding: 2.5rem 0; background: rgba(238,231,218,.6); }
.bi-footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; }
.bi-footer h3 { margin: 0 0 .65rem; font-family: var(--bi-serif); font-size: 1.4rem; }
.bi-footer p, .bi-footer a { color: var(--bi-muted); font-size: .8rem; }
.bi-footer a { display: block; margin: .35rem 0; text-decoration: none; }
.bi-footer a:hover { color: var(--bi-terracotta); }
.bi-footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--bi-line); color: var(--bi-muted); font-size: .7rem; }
.bi-empty { padding: 3rem 1rem; border: 1px dashed var(--bi-line); border-radius: 1rem; color: var(--bi-muted); text-align: center; }

@media (max-width: 880px) {
    .bi-nav { display: none; }
    .bi-menu-toggle { display: block; }
    .bi-mobile-nav.is-open { display: block; }
    .bi-home-hero, .bi-feature-grid, .bi-letter { grid-template-columns: 1fr; }
    .bi-hero-art { min-height: 330px; max-width: 500px; width: 100%; margin: 0 auto; }
    .bi-feature-card { grid-template-columns: 1fr; }
    .bi-feature-card .bi-cover { min-height: 250px; }
    .bi-list-layout, .bi-detail-layout { grid-template-columns: 1fr; }
    .bi-sidebar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .bi-sidebar-card + .bi-sidebar-card { margin-top: 0; }
}
@media (max-width: 620px) {
    .bi-container { width: min(100% - 28px, 1160px); }
    .bi-main { padding-top: 1.5rem; }
    .bi-home-hero { padding-top: 1rem; }
    .bi-home-hero h1 { font-size: 3rem; }
    .bi-hero-art { min-height: 260px; }
    .bi-hero-card-overlay { padding: 1.25rem; }
    .bi-story-grid, .bi-topic-grid, .bi-sidebar { grid-template-columns: 1fr; }
    .bi-list .bi-story-card { grid-template-columns: 1fr; }
    .bi-list .bi-story-card .bi-cover { min-height: 210px; }
    .bi-footer-grid { grid-template-columns: 1fr; gap: 1.25rem; }
    .bi-footer-bottom { flex-direction: column; }
}