:root {
  --btg-primary: #0b6b50;
  --btg-primary-dark: #064a39;
  --btg-accent: #f2b544;
  --btg-ink: #18231f;
  --btg-muted: #64716b;
  --btg-bg: #ffffff;
  --btg-soft: #f4f8f5;
  --btg-border: #e2e9e4;
  --btg-radius: 18px;
  --btg-shadow: 0 12px 35px rgba(15, 44, 32, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--btg-ink); background: var(--btg-bg); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.7; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--btg-primary); text-decoration: none; }
a:hover { color: var(--btg-primary-dark); }
button, input, textarea, select { font: inherit; }
button, .button { cursor: pointer; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.screen-reader-text:focus, .skip-link:focus { position: fixed; top: 12px; left: 12px; z-index: 99999; width: auto; height: auto; padding: 12px 16px; clip: auto; background: white; color: #111; }
.site-header { position: relative; z-index: 20; background: #fff; border-bottom: 1px solid var(--btg-border); }
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 28px; }
.site-branding { flex: 0 0 auto; min-width: 160px; }
.site-title, .footer-brand { color: var(--btg-primary-dark); font-size: 1.45rem; font-weight: 850; letter-spacing: -.04em; line-height: 1.2; }
.site-tagline { margin: 4px 0 0; color: var(--btg-muted); font-size: .78rem; line-height: 1.3; }
.custom-logo { max-height: 62px; width: auto; }
.primary-navigation { margin-left: auto; }
.primary-navigation ul, .footer-menu { display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; list-style: none; }
.primary-navigation a { color: var(--btg-ink); font-size: .94rem; font-weight: 650; }
.primary-navigation a:hover, .primary-navigation .current-menu-item > a { color: var(--btg-primary); }
.primary-navigation .sub-menu { display: none; position: absolute; min-width: 190px; padding: 12px; background: white; box-shadow: var(--btg-shadow); border: 1px solid var(--btg-border); border-radius: 12px; }
.primary-navigation li { position: relative; }
.primary-navigation li:hover > .sub-menu, .primary-navigation li:focus-within > .sub-menu { display: block; }
.primary-navigation .sub-menu li { padding: 7px 4px; }
.header-search { width: 185px; }
.search-form { display: flex; gap: 6px; }
.search-form label { flex: 1; min-width: 0; }
.search-field { width: 100%; min-width: 0; padding: 10px 12px; border: 1px solid var(--btg-border); border-radius: 10px; background: #fff; color: var(--btg-ink); }
.search-submit { padding: 9px 13px; border: 0; border-radius: 10px; background: var(--btg-primary); color: white; font-weight: 700; }
.menu-toggle { display: none; width: 44px; height: 42px; border: 1px solid var(--btg-border); border-radius: 10px; background: white; color: var(--btg-ink); }
.menu-toggle-lines, .menu-toggle-lines::before, .menu-toggle-lines::after { display: block; width: 20px; height: 2px; margin: auto; background: currentColor; content: ""; position: relative; }
.menu-toggle-lines::before { position: absolute; top: -6px; }
.menu-toggle-lines::after { position: absolute; top: 6px; }
.hero-section { min-height: 530px; display: flex; align-items: center; position: relative; overflow: hidden; color: white; background: linear-gradient(90deg, rgba(5, 37, 29, .82), rgba(5, 37, 29, .18)), url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=2000&q=85") center 52% / cover no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5, 37, 29, .22), transparent 45%); }
.hero-content { position: relative; z-index: 1; padding-block: 72px; }
.eyebrow { margin: 0 0 10px; color: var(--btg-primary); font-size: .76rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.hero-content .eyebrow { color: #ffcf69; }
.hero-content h1 { max-width: 720px; margin: 0; font-size: clamp(2.6rem, 6vw, 4.8rem); font-weight: 850; letter-spacing: -.055em; line-height: 1.04; }
.hero-description { max-width: 600px; margin: 22px 0 28px; color: rgba(255,255,255,.92); font-size: 1.12rem; }
.hero-search { max-width: 560px; padding: 8px; background: white; border-radius: 14px; box-shadow: 0 12px 35px rgba(0,0,0,.18); }
.hero-search .search-field { border: 0; padding: 13px 14px; }
.hero-search .search-submit { padding-inline: 20px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.hero-tags a { padding: 6px 13px; color: white; border: 1px solid rgba(255,255,255,.5); border-radius: 99px; font-size: .85rem; background: rgba(255,255,255,.08); }
.section { padding-block: 76px; }
.section-soft { background: var(--btg-soft); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-heading h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.5rem); letter-spacing: -.04em; line-height: 1.2; }
.section-heading > p { max-width: 360px; margin: 0; color: var(--btg-muted); }
.text-link { font-weight: 750; white-space: nowrap; }
.category-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.category-card { display: block; padding: 25px 22px; border: 1px solid var(--btg-border); border-radius: var(--btg-radius); background: white; transition: transform .2s ease, box-shadow .2s ease; }
.category-card:hover { transform: translateY(-4px); box-shadow: var(--btg-shadow); }
.category-icon { display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 18px; border-radius: 16px; background: #edf6ef; font-size: 1.8rem; }
.category-card h3 { margin: 0 0 6px; color: var(--btg-ink); font-size: 1.15rem; }
.category-card p { margin: 0; color: var(--btg-muted); font-size: .91rem; }
.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; align-items: stretch; }
.post-card { min-width: 0; overflow: hidden; border: 1px solid var(--btg-border); border-radius: var(--btg-radius); background: white; box-shadow: 0 4px 16px rgba(15,44,32,.025); transition: transform .2s ease, box-shadow .2s ease; }
.post-card:hover { transform: translateY(-3px); box-shadow: var(--btg-shadow); }
.post-card-image { display: block; overflow: hidden; aspect-ratio: 16 / 10; background: #e6eee8; }
.post-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.post-card:hover .post-card-image img { transform: scale(1.04); }
.image-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; width: 100%; height: 100%; color: var(--btg-primary); background: linear-gradient(135deg, #e7f1e8, #d1e5d8); font-weight: 750; }
.image-placeholder span:first-child { font-size: 2.2rem; }
.post-card-content { padding: 20px; }
.post-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 9px; color: var(--btg-muted); font-size: .78rem; }
.post-card h3 { margin: 0 0 9px; font-size: 1.2rem; line-height: 1.35; letter-spacing: -.02em; }
.post-card h3 a { color: var(--btg-ink); }
.post-card h3 a:hover { color: var(--btg-primary); }
.post-card-content > p { margin: 0 0 14px; color: var(--btg-muted); font-size: .92rem; }
.read-more { font-size: .9rem; font-weight: 800; }
.empty-state { grid-column: 1 / -1; padding: 35px; border: 1px dashed #b8c9bd; border-radius: var(--btg-radius); }
.newsletter-section { padding-block: 64px; }
.newsletter-box { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: clamp(28px, 5vw, 55px); border-radius: 24px; background: var(--btg-primary-dark); color: white; }
.newsletter-box .eyebrow { color: #ffcf69; }
.newsletter-box h2 { max-width: 650px; margin: 0 0 12px; font-size: clamp(1.8rem, 3.5vw, 2.7rem); letter-spacing: -.04em; line-height: 1.15; }
.newsletter-box p:not(.eyebrow) { max-width: 640px; margin: 0; color: rgba(255,255,255,.82); }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 12px 19px; border: 0; border-radius: 10px; background: var(--btg-primary); color: white; font-weight: 750; }
.button:hover { background: var(--btg-primary-dark); color: white; }
.button-light { flex: 0 0 auto; background: white; color: var(--btg-primary-dark); }
.button-light:hover { background: #f2f6f2; color: var(--btg-primary-dark); }
.content-layout, .single-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 42px; padding-block: 56px 80px; }
.main-column { min-width: 0; }
.archive-header { margin-bottom: 30px; }
.archive-header h1, .page-header h1, .article-header h1, .not-found h1 { margin: 0 0 14px; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.12; letter-spacing: -.05em; }
.archive-header > p:not(.eyebrow), .archive-description { color: var(--btg-muted); }
.archive-header .search-form { max-width: 460px; margin-top: 20px; }
.content-layout .post-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.sidebar { min-width: 0; }
.widget { margin-bottom: 24px; padding: 22px; border: 1px solid var(--btg-border); border-radius: 15px; background: white; }
.widget-title { margin: 0 0 14px; font-size: 1.1rem; }
.widget ul { margin: 0; padding-left: 18px; }
.widget li { margin-block: 7px; }
.widget .search-form { flex-wrap: wrap; }
.widget .search-form label { flex-basis: 100%; }
.pagination { margin-top: 35px; }
.nav-links { display: flex; flex-wrap: wrap; gap: 8px; }
.page-numbers { display: inline-block; padding: 8px 13px; border: 1px solid var(--btg-border); border-radius: 8px; }
.page-numbers.current { color: white; background: var(--btg-primary); border-color: var(--btg-primary); }
.single-article, .page-article { min-width: 0; }
.article-header { max-width: 850px; margin: 0 auto 28px; }
.article-header h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
.article-excerpt { color: var(--btg-muted); font-size: 1.15rem; }
.article-byline { color: var(--btg-muted); font-size: .9rem; }
.article-featured-image { margin: 0 0 34px; overflow: hidden; border-radius: var(--btg-radius); }
.article-featured-image img { width: 100%; max-height: 580px; object-fit: cover; }
.article-content { max-width: 780px; margin-inline: auto; font-size: 1.06rem; line-height: 1.85; overflow-wrap: anywhere; }
.article-content h2 { margin-top: 1.8em; font-size: 1.8rem; line-height: 1.25; }
.article-content h3 { margin-top: 1.5em; font-size: 1.35rem; }
.article-content figure { margin-inline: 0; }
.article-content blockquote { margin-inline: 0; padding: 8px 22px; border-left: 4px solid var(--btg-accent); color: var(--btg-muted); }
.article-content table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; }
.article-content th, .article-content td { padding: 10px 12px; border: 1px solid var(--btg-border); }
.article-footer { max-width: 780px; margin: 30px auto; }
.post-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.post-tags a { padding: 5px 10px; border-radius: 99px; background: var(--btg-soft); font-size: .82rem; }
.post-navigation { display: flex; justify-content: space-between; gap: 20px; max-width: 780px; margin: 32px auto; padding-block: 20px; border-top: 1px solid var(--btg-border); border-bottom: 1px solid var(--btg-border); }
.post-navigation > div { max-width: 48%; }
.comments-area { max-width: 780px; margin: 40px auto; }
.comment-list { padding-left: 20px; }
.comment-body { margin-bottom: 20px; padding: 18px; background: var(--btg-soft); border-radius: 12px; }
.comment-form input:not([type=submit]), .comment-form textarea { width: 100%; padding: 12px; border: 1px solid var(--btg-border); border-radius: 8px; }
.comment-form input[type=submit] { padding: 11px 18px; color: white; background: var(--btg-primary); border: 0; border-radius: 8px; }
.page-container { max-width: 900px; padding-block: 55px 80px; }
.page-header { margin-bottom: 25px; }
.page-featured-image { margin-bottom: 25px; border-radius: var(--btg-radius); overflow: hidden; }
.not-found { max-width: 760px; min-height: 50vh; padding-block: 100px; text-align: center; }
.not-found > p:not(.eyebrow) { color: var(--btg-muted); }
.not-found .search-form { max-width: 460px; margin: 25px auto; }
.site-footer { padding-top: 52px; background: #102b23; color: rgba(255,255,255,.82); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 35px; padding-bottom: 35px; }
.footer-brand { color: white; }
.footer-about p { max-width: 340px; color: rgba(255,255,255,.65); }
.footer-navigation h2, .footer-widget-title { margin: 0 0 14px; color: white; font-size: 1rem; }
.footer-menu { display: block; }
.footer-menu li { margin-block: 7px; }
.footer-menu a, .footer-widget a { color: rgba(255,255,255,.75); }
.footer-menu a:hover, .footer-widget a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 17px; border-top: 1px solid rgba(255,255,255,.15); font-size: .85rem; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: white; }
.footer-widget { margin-bottom: 20px; }
.footer-widget ul { padding-left: 18px; }
@media (max-width: 1020px) {
  .header-inner { gap: 16px; }
  .primary-navigation ul { gap: 14px; }
  .header-search { width: 155px; }
  .category-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .post-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 780px) {
  .container { width: min(100% - 32px, 650px); }
  .header-inner { min-height: 72px; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-block: 10px; }
  .site-branding { margin-right: auto; }
  .menu-toggle { display: block; order: 2; }
  .header-search { display: none; }
  .primary-navigation { display: none; order: 3; width: 100%; margin: 0; }
  .primary-navigation.is-open { display: block; }
  .primary-navigation ul { display: flex; align-items: stretch; flex-direction: column; gap: 0; padding: 8px 0; }
  .primary-navigation li { border-top: 1px solid var(--btg-border); }
  .primary-navigation a { display: block; padding: 10px 3px; }
  .primary-navigation .sub-menu { display: block; position: static; padding: 0 0 8px 16px; border: 0; box-shadow: none; }
  .hero-section { min-height: 500px; background-position: 58% center; }
  .hero-content { padding-block: 58px; }
  .section { padding-block: 54px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
  .content-layout, .single-layout { grid-template-columns: 1fr; gap: 30px; padding-block: 38px 55px; }
  .content-layout .post-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .sidebar { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
  .widget { margin: 0; }
  .newsletter-box { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-about { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  body { font-size: 15px; }
  .container { width: calc(100% - 28px); }
  .site-title { font-size: 1.25rem; }
  .site-tagline { max-width: 210px; }
  .hero-section { min-height: 520px; background-position: 62% center; }
  .hero-content h1 { font-size: clamp(2.45rem, 12vw, 3.4rem); }
  .hero-description { font-size: 1rem; }
  .hero-search .search-form { gap: 4px; }
  .hero-search .search-submit { padding-inline: 12px; }
  .category-grid, .post-grid, .content-layout .post-grid { grid-template-columns: 1fr; }
  .category-card { display: grid; grid-template-columns: 52px 1fr; column-gap: 14px; align-items: center; padding: 17px; }
  .category-icon { grid-row: span 2; margin: 0; }
  .category-card h3 { align-self: end; }
  .category-card p { align-self: start; }
  .post-card-content { padding: 18px; }
  .sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 25px; }
  .footer-about { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 7px; }
  .post-navigation { flex-direction: column; }
  .post-navigation > div { max-width: 100%; }
}