/*
 * Article Builder (inc/acf-flex.php) — front-end styles.
 * Loaded only on single posts (single-post.php) and scoped entirely under
 * the .post-flex body class, so nothing here can affect any other page.
 * Colours / fonts / radii follow the site.css design tokens; body text
 * stays full article width (client decision).
 */

/* Module rhythm */
.post-flex .pf-block{margin-top:46px}
.post-flex .pf-block:first-child{margin-top:0}

/* Headings */
.post-flex .pf-heading-title{margin:0;font-size:clamp(28px,3.6vw,46px);line-height:1.05;letter-spacing:-.06em}
.post-flex h3.pf-heading-title{font-size:clamp(21px,2.6vw,30px);letter-spacing:-.05em}

/* Paragraph — full width, muted body colour like the site's long-form copy */
.post-flex .pf-paragraph p{margin:0 0 1.2em;font-size:16px;line-height:1.8;color:var(--muted)}
.post-flex .pf-paragraph p:last-child{margin-bottom:0}
.post-flex .pf-paragraph a{color:var(--violet);text-decoration:underline}
.post-flex .pf-paragraph strong{color:var(--ink)}
.post-flex .pf-paragraph ul,.post-flex .pf-paragraph ol{margin:0 0 1.2em;padding-left:22px;font-size:16px;line-height:1.8;color:var(--muted)}
.post-flex .pf-paragraph li{margin:.4em 0}
.post-flex .pf-paragraph li::marker{color:var(--violet)}

/* Image + shared caption style */
.post-flex .pf-image figure{margin:0}
.post-flex .pf-image img{display:block;width:100%;height:auto;border-radius:24px}
.post-flex .pf-caption,.post-flex .pf-image figcaption{margin:10px 0 0;font:500 10px/1.5 'DM Mono',monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* YouTube — responsive 16:9 frame */
.post-flex .pf-youtube-frame{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:24px;background:#000}
.post-flex .pf-youtube-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* Gallery — the site's 1px-line grid language (same as the product lineup) */
.post-flex .pf-gallery{display:grid;gap:1px;padding:1px;overflow:hidden;border-radius:25px;background:var(--line)}
.post-flex .pf-gallery-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.post-flex .pf-gallery-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.post-flex .pf-gallery-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.post-flex .pf-gallery-item{position:relative;margin:0;overflow:hidden;background:#fff}
.post-flex .pf-gallery-item img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center;transition:transform .35s ease}
.post-flex .pf-gallery[data-zoom="1"] .pf-gallery-item{cursor:zoom-in}
.post-flex .pf-gallery[data-zoom="1"] .pf-gallery-item:hover img{transform:scale(1.04)}

/* Lightbox (markup built by post-flex.js) */
.post-flex .pf-lightbox{position:fixed;inset:0;z-index:999;display:flex;align-items:center;justify-content:center;background:rgba(25,22,27,.92)}
.post-flex .pf-lightbox[hidden]{display:none}
.post-flex .pf-lightbox figure{margin:0;max-width:90vw;text-align:center}
.post-flex .pf-lightbox img{max-width:90vw;max-height:82vh;width:auto;height:auto;object-fit:contain;border-radius:12px}
.post-flex .pf-lightbox figcaption{margin-top:14px;font:500 10px/1.5 'DM Mono',monospace;letter-spacing:.1em;text-transform:uppercase;color:#ded3e4}
.post-flex .pf-lightbox-close,.post-flex .pf-lightbox-nav{position:absolute;width:46px;height:46px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.5);border-radius:99px;background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer}
.post-flex .pf-lightbox-close:hover,.post-flex .pf-lightbox-nav:hover{background:rgba(255,255,255,.14)}
.post-flex .pf-lightbox-close{right:22px;top:18px}
.post-flex .pf-lightbox-prev{left:22px;top:50%;transform:translateY(-50%)}
.post-flex .pf-lightbox-next{right:22px;top:50%;transform:translateY(-50%)}

/* Slider */
.post-flex .pf-slider{position:relative;overflow:hidden;border-radius:24px;background:#000}
.post-flex .pf-slides{position:relative;height:min(52vw,560px)}
.post-flex .pf-slide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity .45s ease}
.post-flex .pf-slide.is-active{opacity:1;z-index:1}
.post-flex .pf-slide img{width:100%;height:100%;object-fit:cover;object-position:center}
.post-flex .pf-slider-nav{position:absolute;z-index:2;top:50%;transform:translateY(-50%);width:46px;height:46px;padding:0;border:0;border-radius:99px;background:rgba(246,245,243,.92);color:var(--ink);font-size:19px;line-height:1;cursor:pointer}
.post-flex .pf-slider-nav:hover{background:var(--lime)}
.post-flex .pf-slider .pf-prev{left:16px}
.post-flex .pf-slider .pf-next{right:16px}
.post-flex .pf-dots{position:absolute;z-index:2;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}
.post-flex .pf-dot{width:8px;height:8px;padding:0;border:0;border-radius:99px;background:rgba(255,255,255,.55);cursor:pointer}
.post-flex .pf-dot.is-active{background:#fff}

/* Recommend products — lineup-style grid, cards link to product pages */
.post-flex .pf-recommend-title{margin:0 0 26px;font-size:clamp(26px,3.4vw,42px);line-height:1.05;letter-spacing:-.06em}
.post-flex .pf-products{display:grid;gap:1px;padding:1px;overflow:hidden;border-radius:25px;background:var(--line)}
.post-flex .pf-products-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.post-flex .pf-products-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.post-flex .pf-products-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.post-flex .pf-product{display:flex;flex-direction:column;min-width:0;background:#fff;color:inherit;text-decoration:none}
.post-flex .pf-product:hover .pf-product-name{color:var(--violet)}
.post-flex .pf-product-media{display:flex;align-items:center;justify-content:center;min-height:240px;padding:22px}
.post-flex .pf-product-media img{display:block;max-width:100%;max-height:250px;width:auto;height:auto;object-fit:contain}
.post-flex .pf-product-body{display:block;padding:0 18px 18px}
.post-flex .pf-product-series{display:inline-block;margin:0 0 8px;padding:6px 8px;border-radius:99px;background:rgba(246,245,243,.92);color:#625b65;font:500 9px/1 'DM Mono',monospace;letter-spacing:.08em}
.post-flex .pf-product-name{display:block;font-size:15px;font-weight:800;letter-spacing:-.02em;line-height:1.3}

/* Image + text split — same 8vw gutter as .split in site.css */
.post-flex .pf-split{display:grid;grid-template-columns:1fr 1fr;gap:8vw;align-items:center}
.post-flex .pf-split-media{margin:0}
.post-flex .pf-split-media img{display:block;width:100%;height:auto;border-radius:24px}
.post-flex .pf-split-reverse .pf-split-media{order:2}
.post-flex .pf-split-text p{margin:0 0 1.1em;font-size:16px;line-height:1.8;color:var(--muted)}
.post-flex .pf-split-text p:last-child{margin-bottom:0}
.post-flex .pf-split-text a{color:var(--violet);text-decoration:underline}
.post-flex .pf-split-text strong{color:var(--ink)}

/* Quote — Playfair Display, the site's editorial accent face */
.post-flex .pf-quote blockquote{margin:0}
.post-flex .pf-quote blockquote:before{content:'\201C';display:block;height:.55em;font:italic 600 76px/1 'Playfair Display',serif;color:var(--violet)}
.post-flex .pf-quote p{margin:0;font:italic 600 clamp(24px,3vw,38px)/1.3 'Playfair Display',serif;letter-spacing:-.01em}
.post-flex .pf-quote cite{display:block;margin-top:18px;font:500 10px/1.5 'DM Mono',monospace;font-style:normal;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* Callout — same visual as the .notice block in site.css */
.post-flex .pf-callout{padding:23px 25px;border-left:3px solid var(--violet);background:#eee9df;font-size:13px;line-height:1.65;color:#5e5860}
.post-flex .pf-callout strong{display:block;margin-bottom:6px;font-size:14px;letter-spacing:-.02em;color:var(--ink)}
.post-flex .pf-callout p{margin:0}

/* Stats — light-mode variant of the .stat geometry */
.post-flex .pf-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));border-top:1px solid var(--line)}
.post-flex .pf-stat{min-height:150px;padding:22px;border-left:1px solid var(--line);border-bottom:1px solid var(--line)}
.post-flex .pf-stat:last-child{border-right:1px solid var(--line)}
.post-flex .pf-stat b{display:block;margin-bottom:10px;font-size:clamp(28px,3vw,40px);letter-spacing:-.05em}
.post-flex .pf-stat p{margin:0;font-size:12px;line-height:1.6;color:var(--muted)}

/* CTA buttons — .button pill proportions from site.css */
.post-flex .pf-cta{display:flex;flex-wrap:wrap;gap:12px}
.post-flex .pf-button{display:inline-block;padding:13px 19px;border-radius:99px;font-size:12px;font-weight:700}
.post-flex .pf-button-dark{background:var(--ink);color:#fff}
.post-flex .pf-button-violet{background:var(--violet);color:#fff}
.post-flex .pf-button-lime{background:var(--lime);color:var(--ink)}
.post-flex .pf-button:hover{opacity:.88}

/* FAQ — native <details> accordion */
.post-flex .pf-faq-item{border-bottom:1px solid var(--line)}
.post-flex .pf-faq-item:first-child{border-top:1px solid var(--line)}
.post-flex .pf-faq-item summary{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:20px 2px;cursor:pointer;list-style:none;font-size:17px;font-weight:800;letter-spacing:-.02em}
.post-flex .pf-faq-item summary::-webkit-details-marker{display:none}
.post-flex .pf-faq-item summary:after{content:'+';font-size:22px;line-height:1;color:var(--violet)}
.post-flex .pf-faq-item[open] summary:after{content:'\2212'}
.post-flex .pf-faq-answer{padding:0 2px 22px}
.post-flex .pf-faq-answer p{margin:0;font-size:15px;line-height:1.75;color:var(--muted)}

/* Steps — numbered rows on the site's list-line rhythm */
.post-flex .pf-step{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}
.post-flex .pf-step:first-child{border-top:1px solid var(--line)}
.post-flex .pf-step-number{font:500 13px/1.6 'DM Mono',monospace;color:var(--violet)}
.post-flex .pf-step-body h3{margin:0 0 6px;font-size:20px;letter-spacing:-.04em}
.post-flex .pf-step-body p{margin:0;font-size:15px;line-height:1.75;color:var(--muted)}

/* Downloads */
.post-flex .pf-downloads{display:flex;flex-wrap:wrap;gap:12px}
.post-flex .pf-download{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border:1px solid var(--line);border-radius:99px;background:#fff;font-size:12px;font-weight:700}
.post-flex .pf-download span{color:var(--violet);font-size:15px;line-height:1}
.post-flex .pf-download b{font:500 10px/1 'DM Mono',monospace;color:var(--muted)}
.post-flex .pf-download:hover{border-color:var(--deep)}

/* Keyboard focus — scoped to Article Builder controls; no normal-state changes. */
.post-flex .pf-paragraph a:focus-visible,
.post-flex .pf-split-text a:focus-visible,
.post-flex .pf-gallery-item:focus-visible,
.post-flex .pf-slider-nav:focus-visible,
.post-flex .pf-dot:focus-visible,
.post-flex .pf-product:focus-visible,
.post-flex .pf-button:focus-visible,
.post-flex .pf-faq-item summary:focus-visible,
.post-flex .pf-download:focus-visible{outline:3px solid var(--violet);outline-offset:3px}
.post-flex .pf-lightbox-close:focus-visible,
.post-flex .pf-lightbox-nav:focus-visible{outline:3px solid #fff;outline-offset:3px}

@media(max-width:760px){
	.post-flex .pf-block{margin-top:34px}
	.post-flex .pf-gallery-cols-3,.post-flex .pf-gallery-cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
	.post-flex .pf-products-cols-3,.post-flex .pf-products-cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
	.post-flex .pf-product-media{min-height:170px}
	.post-flex .pf-split{grid-template-columns:1fr;gap:28px}
	.post-flex .pf-split-reverse .pf-split-media{order:0}
	.post-flex .pf-slides{height:64vw}
	.post-flex .pf-slider-nav{width:40px;height:40px;font-size:17px}
	.post-flex .pf-step{grid-template-columns:42px 1fr;gap:14px}
	.post-flex .pf-quote blockquote:before{font-size:56px}
}