/*
Theme Name: Random Circuits Lab
Theme URI: https://randomcircuits.com/
Author: Random Circuits
Description: A clean, experimental WordPress theme for Random Circuits — web, AI, code, servers and digital tinkering.
Version: 1.1.1
Text Domain: random-circuits
*/

:root{
  --rc-bg:#f3f4f2;
  --rc-paper:#fbfcfa;
  --rc-ink:#111412;
  --rc-muted:#69706b;
  --rc-line:#d8ddd8;
  --rc-accent:#b7ff2a;
  --rc-accent-2:#20d8c7;
  --rc-dark:#111412;
  --rc-radius:18px;
  --rc-max:1240px;
  --rc-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --rc-sans:Inter,"Noto Sans JP","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--rc-bg);color:var(--rc-ink);font-family:var(--rc-sans);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:hover{opacity:.76}
img{max-width:100%;height:auto;border-radius:12px}
.rc-wrap{width:min(calc(100% - 40px),var(--rc-max));margin-inline:auto}
.rc-site-header{position:sticky;top:0;z-index:50;background:rgba(243,244,242,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(216,221,216,.8)}
.rc-header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.rc-brand{display:flex;align-items:center;gap:12px;font-weight:850;letter-spacing:-.03em;font-size:1.05rem}
.rc-brand-mark{width:27px;height:27px;border:2px solid var(--rc-ink);border-radius:50%;position:relative;background:var(--rc-accent)}
.rc-brand-mark:before,.rc-brand-mark:after{content:"";position:absolute;background:var(--rc-ink)}
.rc-brand-mark:before{width:15px;height:2px;left:4px;top:11px;transform:rotate(33deg)}
.rc-brand-mark:after{width:2px;height:15px;left:11px;top:4px;transform:rotate(33deg)}
.rc-nav{display:flex;align-items:center;gap:24px;font-family:var(--rc-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em}
.rc-menu-toggle{display:none;background:none;border:0;font:inherit}
.rc-hero{padding:82px 0 58px}
.rc-kicker{display:inline-flex;align-items:center;gap:9px;font-family:var(--rc-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--rc-muted)}
.rc-kicker-dot{width:8px;height:8px;border-radius:50%;background:var(--rc-accent);box-shadow:0 0 0 4px rgba(183,255,42,.22)}
.rc-hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:70px;align-items:end;margin-top:24px}
.rc-hero h1{font-size:clamp(3.8rem,8vw,8rem);line-height:.86;letter-spacing:-.075em;margin:0;font-weight:900;max-width:900px}
.rc-hero h1 span{display:block;font-family:var(--rc-mono);font-size:.18em;line-height:1.5;letter-spacing:.06em;text-transform:uppercase;color:var(--rc-muted);font-weight:500;margin-top:28px}
.rc-hero-copy{border-left:1px solid var(--rc-line);padding-left:28px;color:var(--rc-muted);font-size:1rem}
.rc-hero-copy strong{display:block;color:var(--rc-ink);font-size:1.08rem;margin-bottom:10px}
.rc-ticker{border-top:1px solid var(--rc-line);border-bottom:1px solid var(--rc-line);overflow:hidden;background:var(--rc-paper)}
.rc-ticker-track{display:flex;gap:40px;white-space:nowrap;width:max-content;padding:12px 0;font-family:var(--rc-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;animation:rcTicker 28s linear infinite}
.rc-ticker b{color:var(--rc-muted);font-weight:500}
.rc-ticker i{font-style:normal;color:var(--rc-accent-2)}
@keyframes rcTicker{to{transform:translateX(-50%)}}
.rc-section{padding:78px 0}
.rc-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}
.rc-section-head h2{margin:0;font-size:clamp(2rem,4vw,3.7rem);letter-spacing:-.055em;line-height:1}
.rc-section-no{font-family:var(--rc-mono);font-size:.72rem;color:var(--rc-muted)}
.rc-post-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.rc-card{background:var(--rc-paper);border:1px solid var(--rc-line);border-radius:var(--rc-radius);padding:28px;min-height:270px;display:flex;flex-direction:column;justify-content:space-between;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.rc-card:hover{transform:translateY(-3px);border-color:#b6bdb7;box-shadow:0 18px 50px rgba(17,20,18,.07);opacity:1}
.rc-card:nth-child(1){grid-column:span 7;min-height:390px}
.rc-card:nth-child(2){grid-column:span 5}
.rc-card:nth-child(n+3){grid-column:span 4}
.rc-card-meta{display:flex;justify-content:space-between;gap:12px;font-family:var(--rc-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.06em;color:var(--rc-muted)}
.rc-card h3{font-size:clamp(1.5rem,2.6vw,2.65rem);line-height:1.08;letter-spacing:-.05em;margin:28px 0 14px}
.rc-card p{margin:0;color:var(--rc-muted);font-size:.94rem}
.rc-card-arrow{margin-top:32px;font-family:var(--rc-mono);font-size:.8rem}
.rc-card.featured{background:var(--rc-dark);color:#fff;border-color:var(--rc-dark);position:relative;overflow:hidden}
.rc-card.featured:after{content:"";position:absolute;width:210px;height:210px;background:var(--rc-accent);border-radius:50%;right:-95px;top:-95px;filter:blur(2px)}
.rc-card.featured p,.rc-card.featured .rc-card-meta{color:#aeb5af}
.rc-lab{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}
.rc-panel{border:1px solid var(--rc-line);border-radius:var(--rc-radius);background:var(--rc-paper);padding:34px}
.rc-panel.dark{background:var(--rc-dark);color:white;border-color:var(--rc-dark)}
.rc-panel h3{font-size:2rem;letter-spacing:-.04em;margin:0 0 18px}
.rc-list{list-style:none;margin:0;padding:0}
.rc-list li{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--rc-line);padding:16px 0;font-family:var(--rc-mono);font-size:.8rem}
.rc-panel.dark .rc-list li{border-color:#303531}
.rc-status{display:inline-flex;align-items:center;gap:8px;color:#aeb5af}
.rc-status:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--rc-accent)}
.rc-manifesto{font-size:clamp(2.1rem,4.8vw,5.6rem);line-height:1.12;letter-spacing:-.065em;font-weight:850;max-width:1080px;margin:0}
.rc-manifesto em{font-style:normal;background:linear-gradient(transparent 68%,var(--rc-accent) 68%)}
.rc-content{width:min(calc(100% - 40px),820px);margin:0 auto;padding:80px 0}
.rc-content h1{font-size:clamp(2.8rem,7vw,5.6rem);line-height:1.10;letter-spacing:-.065em;margin:0 0 28px}
.rc-content h2{font-size:2rem;letter-spacing:-.04em;margin-top:2em}
.rc-content p,.rc-content li{font-size:1.03rem}
.rc-content a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.rc-entry-meta{font-family:var(--rc-mono);font-size:.72rem;color:var(--rc-muted);margin-bottom:36px}
.rc-footer{border-top:1px solid var(--rc-line);padding:42px 0 56px;margin-top:40px}
.rc-footer-grid{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:end}
.rc-footer-title{font-size:clamp(2.4rem,7vw,6.5rem);letter-spacing:-.075em;line-height:.85;font-weight:900}
.rc-footer-note{font-family:var(--rc-mono);font-size:.72rem;color:var(--rc-muted);text-align:right}
.rc-empty{border:1px dashed var(--rc-line);padding:50px;border-radius:var(--rc-radius);color:var(--rc-muted)}
@media(max-width:850px){
 .rc-wrap{width:min(calc(100% - 28px),var(--rc-max))}
 .rc-header-inner{height:68px}
 .rc-menu-toggle{display:block;font-family:var(--rc-mono);font-size:.76rem}
 .rc-nav{display:none;position:absolute;left:14px;right:14px;top:67px;background:var(--rc-paper);border:1px solid var(--rc-line);border-radius:14px;padding:18px;flex-direction:column;align-items:flex-start}
 .rc-nav.is-open{display:flex}
 .rc-hero{padding:58px 0 42px}
 .rc-hero-grid,.rc-lab{grid-template-columns:1fr;gap:30px}
 .rc-hero h1{font-size:clamp(3.35rem,18vw,6.2rem)}
 .rc-hero-copy{padding-left:20px}
 .rc-section{padding:58px 0}
 .rc-card:nth-child(n){grid-column:span 12;min-height:245px}
 .rc-card:nth-child(1){min-height:340px}
 .rc-footer-grid{grid-template-columns:1fr}
 .rc-footer-note{text-align:left}
}


/* v1.1 — taxonomy, article images and reading experience */
.rc-taxonomy{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}
.rc-taxonomy a,.rc-taxonomy span{display:inline-flex;align-items:center;min-height:28px;padding:5px 10px;border:1px solid var(--rc-line);border-radius:999px;font-family:var(--rc-mono);font-size:.66rem;line-height:1.2;letter-spacing:.04em;background:var(--rc-paper);text-decoration:none}
.rc-taxonomy a:hover{background:var(--rc-accent);border-color:var(--rc-accent);opacity:1}
.rc-taxonomy.tags{margin-top:42px;padding-top:20px;border-top:1px solid var(--rc-line)}
.rc-taxonomy.tags:before{content:"TAGS";display:inline-flex;align-items:center;font-family:var(--rc-mono);font-size:.64rem;color:var(--rc-muted);margin-right:2px}

.rc-category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.rc-category-card{display:flex;min-height:112px;padding:20px;border:1px solid var(--rc-line);border-radius:14px;background:var(--rc-paper);flex-direction:column;justify-content:space-between;transition:.2s ease}
.rc-category-card:hover{transform:translateY(-2px);border-color:#aeb5af;opacity:1}
.rc-category-card strong{font-size:1rem;letter-spacing:-.02em}
.rc-category-card small{font-family:var(--rc-mono);font-size:.65rem;color:var(--rc-muted)}

/* Article media — designed to work cleanly with Simple Lightbox. */
.rc-content figure{margin:2.6em 0}
.rc-content figure.wp-block-image,.rc-content .wp-block-gallery{width:100%}
.rc-content figure.wp-block-image img,
.rc-content > img,
.rc-content .wp-block-image img,
.rc-post-thumbnail img{display:block;width:100%;height:auto;border:1px solid var(--rc-line);border-radius:10px;background:var(--rc-paper);box-shadow:0 12px 35px rgba(17,20,18,.055)}
.rc-content figure.wp-block-image a{display:block;position:relative;border-radius:10px;overflow:hidden;text-decoration:none;cursor:zoom-in}
.rc-content figure.wp-block-image a:after{content:"＋ ZOOM";position:absolute;right:12px;bottom:12px;padding:6px 9px;border-radius:999px;background:rgba(17,20,18,.86);color:#fff;font-family:var(--rc-mono);font-size:.58rem;line-height:1;letter-spacing:.05em;opacity:0;transform:translateY(3px);transition:.18s ease;pointer-events:none}
.rc-content figure.wp-block-image a:hover{opacity:1}
.rc-content figure.wp-block-image a:hover:after{opacity:1;transform:none}
.rc-content figure.wp-block-image a:hover img{opacity:.94}
.rc-content figcaption,.rc-content .wp-element-caption{margin:.7em 4px 0;color:var(--rc-muted);font-family:var(--rc-mono);font-size:.7rem;line-height:1.55;text-align:left}
.rc-content .wp-block-gallery{gap:12px}
.rc-content .wp-block-gallery figure{margin:0}
.rc-content .wp-block-gallery img{border-radius:8px}
.rc-content .alignwide{width:min(1040px,calc(100vw - 40px));max-width:none;margin-left:50%;transform:translateX(-50%)}
.rc-content .alignfull{width:100vw;max-width:none;margin-left:50%;transform:translateX(-50%)}
.rc-post-thumbnail{margin:34px 0 48px}

.rc-post-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:64px;padding-top:28px;border-top:1px solid var(--rc-line)}
.rc-post-nav a{display:flex;min-height:112px;padding:18px;border:1px solid var(--rc-line);border-radius:12px;background:var(--rc-paper);flex-direction:column;justify-content:space-between;text-decoration:none}
.rc-post-nav a:hover{background:#fff;opacity:1}
.rc-post-nav small{font-family:var(--rc-mono);font-size:.62rem;color:var(--rc-muted)}
.rc-post-nav strong{font-size:.92rem;line-height:1.45}
.rc-post-nav .next{text-align:right}

@media(max-width:850px){
 .rc-category-grid{grid-template-columns:1fr 1fr}
 .rc-content figure{margin:2em 0}
 .rc-content .alignwide{width:calc(100vw - 28px)}
 .rc-post-nav{grid-template-columns:1fr}
 .rc-post-nav .next{text-align:left}
}
@media(max-width:520px){
 .rc-category-grid{grid-template-columns:1fr}
 .rc-content h1{line-height:1.12}
}
.rc-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.rc-brand-logo {
    display: block;
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.rc-brand-text {
    font-weight: 700;
    color: #111;
}