:root { color-scheme: light; font-family: Arial, Helvetica, sans-serif; color: #374151; background: #f3f4f6; line-height: 1.7; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
[hidden] { display: none !important; }
a { color: #1d4ed8; text-underline-offset: .2em; }
a:hover { color: #1e40af; }
a:focus-visible, button:focus-visible { outline: 3px solid #fbbf24; outline-offset: 4px; }
h1, h2, h3 { color: #111827; line-height: 1.25; }
h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
.site-header { background: #ffffff; border-bottom: 1px solid #e5e7eb; }
.site-nav { max-width: 1440px; padding: 14px 24px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.brand { font-size: 1.2rem; font-weight: bold; color: #111827; text-decoration: none; }
.site-nav ul { display: flex; gap: 4px; flex-wrap: wrap; padding: 0; margin: 0; list-style: none; }
.site-nav li a { display: block; padding: 8px 12px; color: #4b5563; text-decoration: none; }
.site-nav a[aria-current] { color: #111827; font-weight: bold; }
button { font: inherit; cursor: pointer; background: #ffffff; color: #374151; border: 1px solid #d1d5db; border-radius: 6px; padding: 7px 14px; }
main { flex: 1; width: min(1200px, 100%); margin: auto; padding: 36px 24px 56px; }
.page-intro { text-align: center; margin-bottom: 32px; }
.filters { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.filters [aria-pressed="true"] { background: #1d4ed8; color: white; }
#filter-status { text-align: center; font-size: .9rem; }
.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.post-card { background: #ffffff; border: 1px solid #e5e7eb; border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }
.post-card img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.card-content { padding: 24px; display: flex; flex: 1; flex-direction: column; }
.card-content h2 { margin: 0 0 12px; font-size: 1.25rem; }
.card-content h2 a { text-decoration: none; color: #111827; }
.category, .post-meta { color: #4b5563; font-size: .9rem; }
.card-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin: auto 0 0; padding-top: 16px; border-top: 1px solid #e5e7eb; font-size: .85rem; }
.breadcrumbs { font-size: .9rem; margin-bottom: 28px; overflow-wrap: anywhere; }
.full-post, .related { max-width: 820px; margin: auto; }
.full-post header { margin-bottom: 24px; }
.full-post h1 { margin: 10px 0 18px; }
.featured-image { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 10px; margin-bottom: 32px; }
.blog-content { overflow-wrap: anywhere; }
.blog-content h2 { margin-top: 32px; }
.blog-content h3 { margin-top: 24px; }
.blog-content li { margin-bottom: 8px; }
.blog-content pre { overflow-x: auto; padding: 16px; background: #ffffff; border-radius: 8px; }
.blog-content code { background: #e5e7eb; color: #1d4ed8; padding: 2px 5px; border-radius: 4px; }
.blog-content img { max-width: 100%; height: auto; }
.blog-content blockquote { border-left: 4px solid #818cf8; margin-left: 0; padding-left: 20px; }
.product-cta { background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 12px; padding: 24px; max-width: 820px; margin: 40px auto; }
.product-cta h2 { margin-top: 0; }
.button { display: inline-block; background: #15803d; color: white; font-weight: bold; padding: 10px 18px; border-radius: 7px; text-decoration: none; }
.button:hover { background: #166534; color: white; }
.related li { margin-bottom: 12px; }
.site-footer { padding: 24px; text-align: center; font-size: .9rem; border-top: 1px solid #e5e7eb; }
.skip-link { position: absolute; top: -80px; left: 10px; background: #fff; color: #111; padding: 10px; z-index: 10; }
.skip-link:focus { top: 10px; }
.about-lead { font-size: 1.2rem; color: #374151; }
.about-quote { margin: 24px 0; padding: 20px 24px; border-left: 4px solid #0891b2; border-radius: 0 10px 10px 0; background: #ecfeff; color: #164e63; font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: bold; }
.about-quote p { margin: 0; }
.about-mission { margin: 24px 0; padding: 20px; border: 1px solid #bbf7d0; border-radius: 10px; background: #f0fdf4; }
.about-mission strong { color: #14532d; }
.about-maker { display: flex; align-items: center; gap: 20px; padding: 24px; margin: 28px 0; background: #ffffff; border: 1px solid #e5e7eb; border-radius: 12px; }
.about-portrait { display: block; flex: 0 0 180px; width: 180px; height: auto; border-radius: 12px; }
.about-maker h2, .about-maker p { margin: 0; }
.about-maker .about-role { color: #0e7490; margin: 8px 0 16px; }
.about-credentials { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 16px 0 0; list-style: none; }
.about-credentials li { padding: 5px 10px; border: 1px solid #d1d5db; border-radius: 8px; font-size: .8rem; color: #374151; }
.about-steps { padding-left: 24px; }
.about-steps li { padding-left: 4px; margin-bottom: 12px; }
.about-page > h2 { margin-top: 32px; }
.about-options { list-style: none; padding: 0; }
.about-options li { margin: 16px 0; padding: 20px; background: #ffffff; border: 1px solid #e5e7eb; border-radius: 10px; }
.about-options h3 { margin: 0 0 8px; }
.about-options p { margin: 0; }
.about-personal { margin: 20px 0 0; font-size: .9rem; }
@media (max-width: 1000px) { .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 700px) {
    .about-maker { flex-direction: column; align-items: flex-start; padding: 20px; }
    .about-portrait { flex-basis: auto; width: 160px; }
    main { padding: 24px 16px 40px; }
    .site-nav { padding: 12px 16px; }
    .brand { font-size: 1rem; }
    .site-nav ul { width: 100%; flex-direction: column; }
    .post-grid { grid-template-columns: 1fr; }
    .product-cta { padding: 20px; }
}