/* ============================================================
   Aikraft — News article (single news) page
   Extends styles.css. Editorial reading layout, data-product tone.
   ============================================================ */

/* kind accent — drives the article's accent bar / kicker */
[data-kind="release"] { --kind: var(--accent); --kind-soft: var(--accent-soft); --kind-border: var(--accent-border); }
[data-kind="bench"]   { --kind: var(--green);  --kind-soft: var(--green-soft); --kind-border: rgba(16,185,129,.32); }
[data-kind="biz"]     { --kind: var(--blue);   --kind-soft: var(--blue-soft);  --kind-border: rgba(59,130,246,.32); }
[data-kind="reg"]     { --kind: var(--red);    --kind-soft: var(--red-soft);   --kind-border: rgba(244,63,94,.32); }
[data-kind="oss"]     { --kind: var(--amber);  --kind-soft: var(--amber-soft);  --kind-border: rgba(245,158,11,.36); }

/* reading progress */
.read-bar {
  position: fixed; left: 0; top: 0; height: 3px; width: 0%;
  background: var(--kind, var(--accent)); z-index: 60;
  transition: width .08s linear;
}

/* breadcrumb */
.na-top { padding: 18px 0 0; }
.crumbs {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-3); font-family: var(--font-mono);
}
.crumbs a:hover { color: var(--text-2); }
.crumbs .sep { opacity: .5; }
.crumbs .cur { color: var(--text-2); max-width: 40ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* article hero */
.na-hero { padding: 26px 0 8px; }
.na-hero .container { max-width: 860px; }
.kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.kind-tag {
  display: inline-flex; align-items: center; gap: 7px;
  height: 26px; padding: 0 12px; border-radius: 7px;
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
  background: var(--kind-soft); color: var(--kind); border: 1px solid var(--kind-border);
}
.kind-tag .d { width: 6px; height: 6px; border-radius: 50%; background: var(--kind); }
.kicker .when { font-family: var(--font-mono); font-size: 12px; color: var(--text-3); }
.kicker .live {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 12px; color: var(--green);
}
.kicker .live .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 2s ease-in-out infinite; }

.headline {
  font-size: 38px; line-height: 1.12; font-weight: 600; letter-spacing: -.025em;
  margin: 0; text-wrap: balance; max-width: 20ch;
}
.deck {
  font-size: 18px; line-height: 1.55; color: var(--text-2); margin: 18px 0 0;
  max-width: 60ch; font-weight: 400;
}

/* byline */
.byline {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin: 22px 0 0; padding: 16px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.byline .author { display: flex; align-items: center; gap: 10px; }
.byline .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), color-mix(in oklab, var(--accent) 50%, #000));
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; color: #fff; font-weight: 600;
}
.byline .who { font-size: 13px; font-weight: 500; }
.byline .who small { display: block; color: var(--text-3); font-weight: 400; font-size: 11px; font-family: var(--font-mono); }
.byline .meta { font-family: var(--font-mono); font-size: 12px; color: var(--text-3); display: flex; gap: 14px; align-items: center; }
.byline .meta b { color: var(--text-2); font-weight: 500; }
.byline .actions { margin-left: auto; display: flex; gap: 8px; }
.byline .iconbtn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px; border-radius: 8px;
  background: var(--bg-elev); border: 1px solid var(--border);
  font-size: 12.5px; color: var(--text-2);
}
.byline .iconbtn:hover { border-color: var(--border-strong); color: var(--text); }
.byline .iconbtn.primary { background: var(--kind-soft); color: var(--kind); border-color: var(--kind-border); }

/* cover */
.na-cover { padding: 24px 0 0; }
.na-cover .container { max-width: 980px; }
.cover-img {
  aspect-ratio: 16 / 8;
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  position: relative;
  background-image:
    radial-gradient(circle at 78% 30%, var(--kind-soft) 0%, transparent 55%),
    repeating-linear-gradient(45deg, transparent 0px, transparent 22px, rgba(255,255,255,0.022) 22px, rgba(255,255,255,0.022) 23px);
}
.cover-img::after {
  content: attr(data-label);
  position: absolute; left: 18px; bottom: 16px;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-3);
  letter-spacing: .04em; text-transform: uppercase;
}
.cover-cap { margin-top: 10px; font-size: 12px; color: var(--text-3); font-family: var(--font-mono); display: flex; gap: 8px; }
.cover-cap .credit { margin-left: auto; }

/* main grid */
.na-body { padding: 36px 0 56px; }
.na-grid {
  max-width: 1040px; margin: 0 auto;
  display: grid; grid-template-columns: minmax(0,1fr) 312px; gap: 56px; align-items: start;
}

/* prose */
.prose-article { max-width: 680px; font-size: 17px; line-height: 1.7; color: var(--text); }
.prose-article > p { margin: 0 0 20px; color: var(--text-2); }
.prose-article > p:first-child { font-size: 18px; color: var(--text); }
.prose-article > p:first-child::first-letter {
  font-size: 52px; font-weight: 600; line-height: .8; float: left;
  margin: 6px 12px 0 0; color: var(--kind);
}
.prose-article h2 {
  font-size: 22px; font-weight: 600; letter-spacing: -.02em; margin: 36px 0 14px;
}
.prose-article h3 { font-size: 17px; font-weight: 600; margin: 28px 0 10px; }
.prose-article a.inline { color: var(--kind); border-bottom: 1px solid var(--kind-border); }
.prose-article a.inline:hover { border-bottom-color: var(--kind); }
.prose-article strong { color: var(--text); font-weight: 600; }
.prose-article ul { margin: 0 0 20px; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.prose-article ul li { position: relative; padding-left: 22px; color: var(--text-2); }
.prose-article ul li::before {
  content: ""; position: absolute; left: 4px; top: 11px;
  width: 6px; height: 6px; border-radius: 2px; background: var(--kind);
}
.prose-article ul li b { color: var(--text); font-weight: 600; }

/* key numbers strip */
.keynums {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
  margin: 28px 0;
}
.keynums .kn { padding: 18px 16px; border-right: 1px solid var(--border); background: var(--bg-elev); }
.keynums .kn:last-child { border-right: none; }
.keynums .kn .v { font-family: var(--font-mono); font-size: 26px; font-weight: 600; letter-spacing: -.02em; color: var(--kind); line-height: 1; }
.keynums .kn .v .u { font-size: 13px; color: var(--text-3); }
.keynums .kn .k { font-size: 11.5px; color: var(--text-3); margin-top: 8px; line-height: 1.3; }

/* pull quote */
.pullquote {
  margin: 30px 0; padding: 4px 0 4px 22px;
  border-left: 3px solid var(--kind);
  font-size: 21px; line-height: 1.45; font-weight: 500; letter-spacing: -.01em;
  color: var(--text);
}
.pullquote .src { display: block; margin-top: 12px; font-size: 13px; font-weight: 400; color: var(--text-3); font-family: var(--font-mono); }

/* fact / context box */
.factbox {
  margin: 28px 0; padding: 18px 20px; border-radius: 12px;
  background: var(--bg-elev); border: 1px solid var(--border);
}
.factbox .ttl {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-3); margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.factbox .ttl svg { color: var(--kind); }
.factbox p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--text-2); }

/* bottom tag list + share */
.article-foot { max-width: 680px; margin: 36px 0 0; padding-top: 24px; border-top: 1px solid var(--border); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list .t {
  display: inline-flex; align-items: center; height: 28px; padding: 0 12px;
  border-radius: 999px; background: var(--bg-elev); border: 1px solid var(--border);
  font-size: 12px; color: var(--text-2); font-family: var(--font-mono);
}
.tag-list .t:hover { border-color: var(--border-strong); color: var(--text); }
.share-row { display: flex; align-items: center; gap: 10px; margin-top: 20px; }
.share-row .lbl { font-size: 12px; color: var(--text-3); }
.share-row a {
  width: 32px; height: 32px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text-2);
}
.share-row a:hover { background: var(--bg-hover); color: var(--text); }

/* ---------- sidebar ---------- */
.na-aside { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 76px; }
.aside-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.aside-card .ac-head {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-3); margin-bottom: 12px; display: flex; align-items: center; justify-content: space-between;
}
.aside-card .ac-head .ct { color: var(--text-3); font-family: var(--font-mono); }

/* source cluster */
.src-list { display: flex; flex-direction: column; gap: 1px; }
.src-item {
  display: flex; align-items: center; gap: 10px; padding: 8px 6px; border-radius: 8px;
}
.src-item:hover { background: var(--bg-hover); }
.src-item .logo { flex-shrink: 0; }
.src-item .nm { font-size: 12.5px; font-weight: 500; }
.src-item .nm small { display: block; color: var(--text-3); font-family: var(--font-mono); font-size: 10.5px; font-weight: 400; }
.src-item .ext { margin-left: auto; color: var(--text-mute); }
.src-item:hover .ext { color: var(--kind); }
.src-foot { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }

/* related model tile */
.relmodel { display: flex; align-items: center; gap: 12px; padding: 4px 0; }
.relmodel .info { flex: 1; }
.relmodel .nm { font-size: 14px; font-weight: 600; }
.relmodel .sub { font-size: 11.5px; color: var(--text-3); font-family: var(--font-mono); }
.relmodel-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.relmodel-stats .s { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; }
.relmodel-stats .s .v { font-family: var(--font-mono); font-size: 16px; font-weight: 500; color: var(--accent); }
.relmodel-stats .s .k { font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: .04em; margin-top: 2px; }

/* related news mini */
.mininews { display: flex; flex-direction: column; gap: 2px; }
.mininews a { display: block; padding: 10px 6px; border-radius: 8px; }
.mininews a:hover { background: var(--bg-hover); }
.mininews .mn-tag { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-3); }
.mininews .mn-ttl { font-size: 13px; font-weight: 500; line-height: 1.35; margin: 4px 0 4px; }
.mininews .mn-age { font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }

/* follow */
.follow-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; height: 38px; border-radius: 9px; margin-top: 4px;
  background: var(--kind); color: #fff; border: none;
  font-size: 13px; font-weight: 500; font-family: inherit;
}
.follow-btn:hover { filter: brightness(1.08); }
.follow-note { font-size: 11px; color: var(--text-3); text-align: center; margin-top: 8px; font-family: var(--font-mono); }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .na-grid { grid-template-columns: 1fr; gap: 40px; max-width: 720px; }
  .na-aside { position: static; }
  .headline { font-size: 32px; }
}
@media (max-width: 640px) {
  .headline { font-size: 26px; }
  .deck { font-size: 16px; }
  .keynums { grid-template-columns: 1fr 1fr; }
  .keynums .kn:nth-child(2) { border-right: none; }
  .keynums .kn:nth-child(1), .keynums .kn:nth-child(2) { border-bottom: 1px solid var(--border); }
  .prose-article { font-size: 16px; }
  .byline .actions { margin-left: 0; width: 100%; }
}