:root {
  color-scheme: dark;
  --bg: #101112;
  --panel: #181a1c;
  --text: #f1f0ec;
  --muted: #a4a6a7;
  --line: #343638;
  --accent: #c7f36b;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans TC", sans-serif; line-height: 1.75; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.site-header, .site-footer { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.site-header { min-height: 84px; border-bottom: 1px solid var(--line); }
.brand { font-size: .95rem; font-weight: 800; letter-spacing: .12em; }
.brand span { color: var(--accent); }
.site-nav { display: flex; gap: clamp(16px, 3vw, 34px); font-size: .9rem; color: #c9c9c6; }
.site-nav a:hover, .text-link:hover { color: var(--accent); }
.hero { min-height: 570px; padding: 112px 24px 36px; width: min(var(--max), 100%); margin: auto; display: flex; flex-direction: column; align-items: flex-start; position: relative; }
.eyebrow { color: var(--accent); font-size: .72rem; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; margin: 0 0 18px; }
.hero h1 { font-size: clamp(2.7rem, 7vw, 5.8rem); line-height: 1.18; letter-spacing: -.055em; margin: 0; font-weight: 650; }
.hero h1 span { color: #9a9d9d; }
.hero-copy { max-width: 570px; color: #b9bbba; font-size: 1.08rem; margin: 28px 0 30px; }
.hero-actions { display: flex; align-items: center; gap: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; font-size: .9rem; font-weight: 700; }
.button-light { background: var(--accent); color: #141610; }
.button-light:hover { background: #d7ff91; }
.text-link { font-size: .9rem; font-weight: 650; }
.hero-index { display: flex; justify-content: space-between; width: 100%; margin-top: auto; padding-top: 60px; color: #767a7b; font-size: .7rem; letter-spacing: .12em; }
.section-wrap { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; padding: 94px 0; }
.intro { border-top: 1px solid var(--line); }
h2 { font-size: clamp(2rem, 4.4vw, 3.6rem); line-height: 1.25; letter-spacing: -.04em; margin: 0 0 42px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-card { padding: 26px 24px 34px 0; }
.service-card + .service-card { border-left: 1px solid var(--line); padding-left: 24px; }
.card-number { color: var(--accent); font-size: .75rem; }
.service-card h3 { font-size: 1.25rem; margin: 24px 0 8px; }
.service-card p, .feature-band > p { color: var(--muted); margin: 0; }
.feature-band { padding: 72px max(24px, calc((100% - var(--max)) / 2)); background: var(--panel); display: grid; grid-template-columns: 1.1fr 1fr auto; align-items: end; gap: 38px; }
.feature-band h2 { margin: 0; }
.feature-band > p { max-width: 390px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.section-heading h2 { margin: 0; }
.post-row { display: grid; grid-template-columns: 130px 1fr 28px; gap: 20px; align-items: start; padding: 22px 0; border-top: 1px solid var(--line); }
.post-date { color: #858889; font-size: .8rem; padding-top: 4px; }
.post-title { font-size: 1.12rem; font-weight: 600; }
.post-title small { display: block; font-size: .88rem; font-weight: 400; color: var(--muted); margin-top: 5px; }
.post-arrow { color: var(--accent); text-align: right; }
.post-row:hover .post-title { color: var(--accent); }
.muted { color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); min-height: 90px; color: #888b8c; font-size: .8rem; }
.article, .listing { max-width: 820px; min-height: 60vh; }
.article h1, .listing h1 { font-size: clamp(2.5rem, 6vw, 4.8rem); line-height: 1.2; letter-spacing: -.05em; margin: 0 0 16px; }
.article-meta { color: var(--muted); font-size: .85rem; }
.article-lead { color: #c6c8c6; font-size: 1.2rem; margin: 28px 0; }
.prose { margin-top: 42px; color: #d0d1ce; }
.prose h2 { font-size: 1.7rem; margin: 44px 0 16px; }
.prose h3 { font-size: 1.25rem; margin-top: 32px; }
.prose p, .prose li { max-width: 72ch; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.prose blockquote { border-left: 2px solid var(--accent); padding-left: 20px; margin-left: 0; color: #b8bab7; }
.listing-intro { margin: 18px 0 34px; }
.post-list { margin-top: 34px; }
@media (max-width: 680px) {
  .site-header, .site-footer { width: calc(100% - 36px); }
  .site-header { min-height: 72px; align-items: flex-start; justify-content: center; flex-direction: column; gap: 8px; padding: 14px 0; }
  .site-nav { gap: 18px; font-size: .82rem; flex-wrap: wrap; }
  .hero { min-height: 520px; padding: 82px 20px 28px; }
  .hero h1 { font-size: clamp(2.55rem, 12vw, 4rem); }
  .hero-index { font-size: .58rem; }
  .section-wrap { width: calc(100% - 40px); padding: 68px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card, .service-card + .service-card { border-left: 0; padding: 24px 0; }
  .service-card + .service-card { border-top: 1px solid var(--line); }
  .feature-band { padding: 56px 20px; grid-template-columns: 1fr; gap: 24px; }
  .post-row { grid-template-columns: 1fr 24px; gap: 6px 12px; }
  .post-date { grid-column: 1; }
  .post-title { grid-column: 1; }
  .post-arrow { grid-column: 2; grid-row: 1 / span 2; }
  .site-footer { padding: 22px 0; gap: 8px; align-items: flex-start; flex-direction: column; }
}

/* Responsive YouTube embeds */
.video-embed { position: relative; width: 100%; aspect-ratio: 16 / 9; margin: 36px 0; overflow: hidden; background: #000; border: 1px solid var(--line); }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.prose img { display: block; max-width: 100%; height: auto; margin: 28px auto; border-radius: 4px; }


/* CMS-managed cover images and portfolio */
.article-cover { margin: 34px 0; }
.article-cover img { display: block; width: 100%; max-height: 560px; object-fit: cover; border: 1px solid var(--line); }
.article-cover figcaption { color: var(--muted); font-size: .8rem; margin-top: 8px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.tag { border: 1px solid var(--line); border-radius: 999px; padding: 3px 11px; font-size: .78rem; color: #c5c7c3; }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 38px; }
.project-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); background: var(--panel); transition: border-color .2s, transform .2s; }
.project-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.project-card-image { aspect-ratio: 16 / 10; background: #202224; overflow: hidden; }
.project-card-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.project-card-content { padding: 24px; }
.project-card-type { color: var(--accent); font-size: .72rem; letter-spacing: .08em; margin: 0 0 12px; }
.project-card h2 { font-size: 1.55rem; margin: 0 0 12px; }
.project-card-content > p:not(.project-card-type) { color: var(--muted); margin: 0 0 20px; }
.project-card-link { font-size: .88rem; font-weight: 650; }
.empty-state { border-top: 1px solid var(--line); padding: 32px 0; margin-top: 32px; }
.post-thumb { grid-row: span 2; display: block; width: 120px; aspect-ratio: 4 / 3; overflow: hidden; background: var(--panel); }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post-row:has(.post-thumb) { grid-template-columns: 120px 130px 1fr 28px; }
@media (max-width: 680px) {
  .project-grid { grid-template-columns: 1fr; }
  .project-card-content { padding: 20px; }
  .post-row:has(.post-thumb) { grid-template-columns: 88px 1fr 24px; }
  .post-thumb { width: 88px; grid-column: 1; grid-row: 1 / span 2; }
  .post-row:has(.post-thumb) .post-date { grid-column: 2; }
  .post-row:has(.post-thumb) .post-title { grid-column: 2; }
  .post-row:has(.post-thumb) .post-arrow { grid-column: 3; grid-row: 1 / span 2; }
}


.project-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 40px 0; }
.project-gallery figure { margin: 0; aspect-ratio: 4 / 3; overflow: hidden; background: var(--panel); border: 1px solid var(--line); }
.project-gallery img { display: block; width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 680px) { .project-gallery { grid-template-columns: 1fr; } }


/* Rich article content: tables, code, quotes, lists, links, and media */
.prose { overflow-wrap: anywhere; }
.prose h2, .prose h3, .prose h4 { scroll-margin-top: 24px; }
.prose h2 { padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.prose h4 { font-size: 1.05rem; margin: 28px 0 10px; }
.prose ul, .prose ol { padding-left: 1.5rem; margin: 18px 0 26px; }
.prose li { padding-left: .25rem; margin: 6px 0; }
.prose li::marker { color: var(--accent); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 42px 0; }
.prose blockquote { background: var(--panel); border-left: 3px solid var(--accent); padding: 18px 22px; margin: 28px 0; border-radius: 0 5px 5px 0; }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: .92rem; display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.prose thead { background: #242729; }
.prose th, .prose td { border: 1px solid var(--line); padding: 11px 14px; text-align: left; vertical-align: top; min-width: 100px; }
.prose th { color: var(--accent); font-weight: 700; }
.prose tbody tr:nth-child(even) { background: rgba(255,255,255,.025); }
.prose :not(pre) > code { background: #25282a; color: #e7f6c8; padding: .15em .38em; border-radius: 4px; font-size: .88em; }
.prose pre { max-width: 100%; overflow: auto; padding: 20px; margin: 26px 0; border: 1px solid var(--line); border-radius: 6px; background: #17191b !important; font-size: .88rem; line-height: 1.65; }
.prose pre code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.prose img { cursor: zoom-in; }
.prose figure { margin: 32px 0; }
.prose figcaption { color: var(--muted); font-size: .82rem; text-align: center; margin-top: 9px; }
.prose input[type="checkbox"] { accent-color: var(--accent); margin-right: .5em; }
.prose a:hover { text-decoration-thickness: 2px; }
.prose sup a, .prose .footnotes { color: var(--muted); font-size: .88rem; }
.prose .footnotes { border-top: 1px solid var(--line); margin-top: 44px; padding-top: 18px; }
@media (max-width: 680px) {
  .prose th, .prose td { padding: 9px 11px; min-width: 90px; }
  .prose pre { padding: 14px; font-size: .82rem; }
}

/* Store and checkout */
.shop-page { min-height: 60vh; }
.shop-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 38px; }
.shop-card { border: 1px solid var(--line); background: var(--panel); min-width: 0; }
.shop-card-image { display: flex; aspect-ratio: 4 / 3; align-items: center; justify-content: center; background: #202224; overflow: hidden; }
.shop-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.shop-card:hover .shop-card-image img { transform: scale(1.03); }
.shop-placeholder { color: var(--accent); font-weight: 800; letter-spacing: .12em; text-align: center; line-height: 1.5; }
.shop-card-content { padding: 22px; }
.shop-card-content h2 { font-size: 1.45rem; margin: 0 0 12px; }
.shop-card-type { color: var(--muted); font-size: .72rem; letter-spacing: .12em; margin: 0 0 8px; }
.shop-description { color: var(--muted); min-height: 3em; }
.shop-price { font-size: 1.2rem; font-weight: 750; margin: 18px 0; }
.shop-price-large { font-size: 1.8rem; }
.product-page { max-width: 820px; }
.checkout-form { display: grid; gap: 10px; max-width: 480px; margin-top: 36px; padding: 24px; border: 1px solid var(--line); background: var(--panel); }
.checkout-form label { font-size: .9rem; font-weight: 650; }
.checkout-form input { width: 100%; min-height: 44px; padding: 10px 12px; color: var(--text); background: #101112; border: 1px solid var(--line); border-radius: 0; font: inherit; }
.checkout-form input:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.checkout-form .button { border: 0; cursor: pointer; font: inherit; margin-top: 12px; }
.checkout-form .muted, .checkout-result .muted { font-size: .85rem; }
.checkout-details { margin: 20px 0; padding: 18px; border: 1px solid var(--line); overflow-wrap: anywhere; }
@media (max-width: 820px) { .shop-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .shop-grid { grid-template-columns: 1fr; } .shop-card-content { padding: 18px; } }