/* ============================================================
   SPARTAC — minimal, quiet luxury, black & white
   ============================================================ */
:root{
  --ink:#0a0a0a; --ink-soft:#3a3a3a; --muted:#8a8a8a;
  --line:#e8e8e8; --paper:#ffffff; --paper-2:#fafafa;
  --wrap:760px; --wrap-wide:1080px;
  --serif:'Iowan Old Style','Palatino Linotype',Palatino,'Book Antiqua',Georgia,'Times New Roman',serif;
  --sans:'Inter','Helvetica Neue',Helvetica,Arial,system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--serif);font-size:19px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-wide{max-width:var(--wrap-wide);margin:0 auto;padding:0 24px}

/* ---------- HEADER ---------- */
.site-head{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:50}
.head-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{font-family:var(--sans);font-weight:600;font-size:21px;letter-spacing:.42em;text-transform:uppercase;color:var(--ink);padding-left:.42em}
.back{font-family:var(--sans);font-size:13px;letter-spacing:.04em;color:var(--muted)}
.back:hover{color:var(--ink)}

/* ---------- HERO ---------- */
.hero{max-width:var(--wrap-wide);margin:0 auto;padding:72px 24px 40px;border-bottom:1px solid var(--line)}
.hero h1{font-family:var(--sans);font-weight:600;font-size:clamp(34px,6vw,60px);letter-spacing:.36em;text-transform:uppercase;line-height:1;color:var(--ink);padding-left:.36em}
.hero p{font-family:var(--serif);font-style:italic;color:var(--ink-soft);font-size:clamp(17px,2.4vw,22px);margin-top:22px;max-width:560px}
.hero-cat{padding-top:54px;padding-bottom:34px}
.hero-eyebrow{font-family:var(--sans);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.hero-cat h1{font-family:var(--serif);text-transform:none;letter-spacing:-.01em;padding-left:0;font-weight:600;font-size:clamp(32px,5vw,50px)}

/* ---------- LAYOUT: sidebar + feed ---------- */
.layout{max-width:var(--wrap-wide);margin:0 auto;padding:14px 24px 100px;display:grid;grid-template-columns:200px 1fr;gap:52px;align-items:start}
.sidebar{position:sticky;top:100px}
.cats-label{font-family:var(--sans);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.cats{display:flex;flex-direction:column}
.cat{font-family:var(--serif);font-size:17px;color:var(--ink-soft);padding:8px 0;border-bottom:1px solid var(--line);transition:color .2s}
.cat:last-child{border-bottom:none}
.cat:hover{color:var(--ink)}
.cat.active{color:var(--ink);font-weight:600}

/* ---------- FEED ---------- */
.feed{min-width:0}
.card{display:grid;grid-template-columns:300px 1fr;gap:38px;align-items:start;padding:46px 0;border-bottom:1px solid var(--line)}
.card:first-child{padding-top:8px}
.card:last-child{border-bottom:none}
.card-cover{display:block;overflow:hidden;background:var(--paper-2)}
.card-cover img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:grayscale(100%);transition:transform .6s cubic-bezier(.2,.6,.2,1),filter .6s}
.card:hover .card-cover img{transform:scale(1.03);filter:grayscale(0)}
.card-body{padding-top:2px;min-width:0}
.card-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.card-date{font-family:var(--sans);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.card-cat{font-family:var(--sans);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);border:1px solid var(--line);padding:3px 9px;transition:.2s}
.card-cat:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.card-title{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3.2vw,33px);line-height:1.15;margin:12px 0 0}
.card-title a{transition:opacity .2s}
.card-title a:hover{opacity:.55}
.card-excerpt{color:var(--ink-soft);font-size:18px;line-height:1.65;margin-top:13px}
.card-more{display:inline-block;margin-top:18px;font-family:var(--sans);font-size:13px;letter-spacing:.06em;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:2px}
.card-more:hover{opacity:.55}
.feed-empty{color:var(--muted);font-style:italic;padding:50px 0}

/* ---------- ARTICLE ---------- */
.article{padding-top:56px;padding-bottom:96px}
.article-back{font-family:var(--sans);font-size:13px;letter-spacing:.04em;color:var(--muted)}
.article-back:hover{color:var(--ink)}
.article-back.foot{display:inline-block;margin-top:64px;padding-top:28px;border-top:1px solid var(--line);width:100%}
.article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:32px}
.article-cat{font-family:var(--sans);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);border:1px solid var(--line);padding:3px 9px;transition:.2s}
.article-cat:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.article-date{font-family:var(--sans);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.article-title{font-family:var(--serif);font-weight:600;font-size:clamp(32px,5.4vw,52px);line-height:1.12;letter-spacing:-.01em;margin:14px 0 0}
.article-cover{margin:44px 0 8px}
.article-cover img{width:100%;background:var(--paper-2)}
.article-body{margin-top:8px}
.article-body p{margin:28px 0;font-size:20px;line-height:1.75}
.article-body p:first-child{margin-top:34px}
.article-body a{border-bottom:1px solid var(--ink)}
.article-body a:hover{opacity:.6}
.article-body b,.article-body strong{font-weight:600}
.a-fig{margin:48px 0}
.a-fig img{width:100%;background:var(--paper-2)}
.a-fig figcaption{font-family:var(--sans);font-size:13px;color:var(--muted);text-align:center;margin-top:12px;letter-spacing:.02em}

/* ---------- FOOTER ---------- */
.site-foot{border-top:1px solid var(--line);padding:40px 0}
.site-foot .wrap-wide{font-family:var(--sans);font-size:13px;letter-spacing:.03em;color:var(--muted);text-align:center}

/* ---------- RESPONSIVE ---------- */
@media(max-width:760px){
  body{font-size:18px}
  .head-in{height:62px}
  .brand{font-size:17px;letter-spacing:.34em;padding-left:.34em}
  .back{font-size:12px}
  .hero{padding:48px 24px 30px}
  .layout{grid-template-columns:1fr;gap:8px;padding-top:18px}
  .sidebar{position:static;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:10px}
  .cats{flex-direction:row;flex-wrap:wrap;gap:8px 18px}
  .cats-label{width:100%;margin-bottom:8px}
  .cat{border-bottom:none;padding:1px 0;font-size:15px}
  .card{grid-template-columns:1fr;gap:16px;padding:34px 0}
  .card:first-child{padding-top:6px}
  .card-cover img{aspect-ratio:16/10}
  .article-body p{font-size:18px}
  .a-fig{margin:34px 0}
  .article-cover{margin:32px 0 4px}
}