/* ============================================================
   NIWO case studies — index and individual campaign pages.
   Tokens and type come from app.css; the top bar and footer reuse
   blog.css. Each case study may set --cs-accent to its game's own
   colour (a "special campaign moment" in the design reference); the
   page chrome and Blurple CTAs never change.
   ============================================================ */

.cs-page{ --cs-accent:#f2c230; --cs-accent-ink:#141005; }

/* ---------- shared bits ---------- */
.cs-kick{
  font-size:11.5px; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color:var(--muted-2); margin:0 0 14px; display:flex; align-items:center; gap:10px;
}
.cs-kick::before{ content:''; width:22px; height:2px; background:var(--cs-accent); border-radius:2px; }
.cs-h1{
  font-family:var(--font-display); font-weight:800; text-transform:uppercase;
  font-size:clamp(34px,5.4vw,60px); line-height:1.04; letter-spacing:-.015em;
  margin:0 0 16px; color:var(--text);
}
.cs-h2{
  font-family:var(--font-display); font-weight:800; text-transform:uppercase;
  font-size:clamp(24px,3.2vw,36px); line-height:1.08; letter-spacing:-.01em;
  margin:0 0 14px; color:var(--text);
}
.cs-lede{ font-size:17.5px; line-height:1.65; color:var(--muted); margin:0; max-width:62ch; }
.cs-p{ font-size:16px; line-height:1.75; color:var(--muted); margin:0 0 16px; max-width:66ch; }
.cs-p strong{ color:var(--text); font-weight:600; }
.cs-p:last-child{ margin-bottom:0; }

.plogo{ width:22px; height:22px; border-radius:6px; object-fit:contain; flex:none; display:block; }
.plogo.plate{ background:#fff; padding:2px; }

/* ============================================================
   Index
   ============================================================ */
.cs-index-head{ max-width:760px; margin:0 0 44px; }

.cs-grid{ display:grid; gap:20px; grid-template-columns:repeat(2,minmax(0,1fr)); }
.cs-grid.solo{ grid-template-columns:1fr; }
@media (max-width:760px){ .cs-grid{ grid-template-columns:1fr; } }

.cs-card{
  display:flex; flex-direction:column; background:var(--panel); border-radius:24px;
  overflow:hidden; color:inherit; border:1px solid var(--line-soft);
  transition:transform .35s var(--ease), border-color .35s var(--ease);
  opacity:0; transform:translateY(14px); animation:csIn .7s var(--ease) forwards;
}
.cs-card:hover{ transform:translateY(-4px); border-color:var(--line); }
@keyframes csIn{ to{ opacity:1; transform:none; } }
.cs-card .img{ position:relative; aspect-ratio:16/9; overflow:hidden; background:#07081a; }
.cs-card .img img{ width:100%; height:100%; object-fit:cover; display:block;
  transition:transform .8s var(--ease); }
.cs-card:hover .img img{ transform:scale(1.035); }
.cs-card .tag{
  position:absolute; top:16px; left:16px; font-size:12px; font-weight:600;
  padding:6px 12px; border-radius:104px; background:rgba(8,9,26,.78); color:#fff;
  backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
}
.cs-card .bd{ padding:24px 26px 26px; display:flex; flex-direction:column; gap:18px; flex:1; }
.cs-card .t{ display:flex; align-items:baseline; justify-content:space-between; gap:14px; flex-wrap:wrap; }
.cs-card h2{
  font-family:var(--font-display); font-weight:800; text-transform:uppercase;
  font-size:24px; letter-spacing:-.01em; margin:0; line-height:1.1;
}
.cs-card .meta{ font-size:13.5px; color:var(--muted-2); }
.cs-card .stats{ display:grid; grid-template-columns:repeat(3,1fr); gap:12px;
  padding-top:18px; border-top:1px solid var(--line-soft); }
.cs-card .stats b{ display:block; font-family:var(--font-display); font-weight:800;
  font-size:24px; letter-spacing:-.015em; line-height:1; color:var(--text); }
.cs-card .stats span{ display:block; font-size:12.5px; color:var(--muted-2); margin-top:7px; }
.cs-card .stats .hi b{ color:var(--cs-accent); }
.cs-card .plats{ display:flex; gap:7px; }
.cs-card .go{ font-size:14px; font-weight:600; color:var(--text); display:inline-flex;
  align-items:center; gap:8px; margin-top:auto; }
.cs-card .go i{ font-style:normal; transition:transform .3s var(--ease); }
.cs-card:hover .go i{ transform:translateX(4px); }

/* the only case so far fills the row: a wide image beside the numbers */
.cs-grid.solo .cs-card{ display:grid; grid-template-columns:1.35fr 1fr; }
.cs-grid.solo .cs-card .img{ aspect-ratio:auto; min-height:360px; }
.cs-grid.solo .cs-card .bd{ padding:34px 34px 32px; justify-content:center; }
.cs-grid.solo .cs-card h2{ font-size:clamp(28px,3.4vw,40px); }
.cs-grid.solo .cs-card .stats b{ font-size:clamp(26px,2.6vw,34px); }
@media (max-width:900px){
  .cs-grid.solo .cs-card{ grid-template-columns:1fr; }
  .cs-grid.solo .cs-card .img{ min-height:0; aspect-ratio:16/9; }
}
.cs-more{ height:1px; }
.cs-end{ text-align:center; font-size:13px; color:var(--muted-2); margin:30px 0 0; }

/* ============================================================
   Case study
   ============================================================ */
.cs-hero{ position:relative; border-radius:24px; overflow:hidden; margin:0 0 30px;
  aspect-ratio:21/9; min-height:300px; background:#07081a; }
.cs-hero img{ width:100%; height:100%; object-fit:cover; display:block; }
.cs-hero::after{ content:''; position:absolute; inset:0;
  background:linear-gradient(180deg,rgba(14,15,45,0) 35%,rgba(14,15,45,.55) 72%,rgba(14,15,45,.96)); }
.cs-hero .cap{ position:absolute; left:34px; right:34px; bottom:28px; z-index:1;
  display:flex; align-items:flex-end; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.cs-hero .cap > div{ min-width:0; flex:1 1 260px; }
.cs-hero .cap .zh{ font-size:15px; color:var(--muted); margin:0 0 6px; letter-spacing:.06em; }
.cs-hero .cap h1{ margin:0; }
.cs-hero .cap .who{ font-size:14.5px; color:var(--muted); margin:10px 0 0; }
.btn-steam{ display:inline-flex; align-items:center; gap:9px; padding:12px 18px; border-radius:12px;
  background:#fff; color:#0e0f2d; font-size:14.5px; font-weight:600; flex:none;
  transition:transform .25s var(--ease); }
.btn-steam:hover{ transform:translateY(-2px); }
.btn-steam svg{ width:17px; height:17px; }

/* the three headline numbers */
.cs-big{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; margin:0 0 16px; }
.cs-big .n{ background:var(--panel); border-radius:24px; padding:28px 28px 26px; }
.cs-big .n b{ display:block; font-family:var(--font-display); font-weight:800;
  font-size:clamp(40px,6vw,74px); line-height:.95; letter-spacing:-.03em; color:var(--text); }
.cs-big .n span{ display:block; font-size:14.5px; line-height:1.5; color:var(--muted); margin-top:14px; }
.cs-big .n small{ display:block; font-size:12.5px; color:var(--muted-2); margin-top:4px; }
/* the number the studio asked to stand out: its own surface, the game's colour */
.cs-big .n.hero{ background:var(--cs-accent); }
.cs-big .n.hero b, .cs-big .n.hero span{ color:var(--cs-accent-ink); }
.cs-big .n.hero small{ color:rgba(20,16,5,.7); }
@media (max-width:820px){ .cs-big{ grid-template-columns:1fr; } }

/* views by platform */
.cs-plat{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; margin:0 0 70px; }
.cs-plat .p{ background:#161838; border-radius:20px; padding:22px 24px; }
.cs-plat .p .h{ display:flex; align-items:center; gap:10px; font-size:14.5px; font-weight:600; color:var(--text); }
.cs-plat .p .h small{ font-weight:400; color:var(--muted-2); font-size:13px; }
.cs-plat .p b{ display:block; font-family:var(--font-display); font-weight:800; font-size:32px;
  letter-spacing:-.02em; margin:16px 0 4px; line-height:1; }
.cs-plat .p .s{ font-size:13px; color:var(--muted-2); }
.cs-plat .bar{ height:6px; border-radius:6px; background:rgba(255,255,255,.07); margin-top:16px; overflow:hidden; }
.cs-plat .bar i{ display:block; height:100%; border-radius:6px; background:var(--cs-accent); width:0;
  transition:width 1.2s var(--ease); }
.cs-plat.go .bar i{ width:var(--w); }
@media (max-width:820px){ .cs-plat{ grid-template-columns:1fr; } }

/* objective / strategy / results */
.cs-sec{ display:grid; grid-template-columns:220px minmax(0,1fr); gap:30px; margin:0 0 54px; }
.cs-sec .lab{ font-size:12px; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color:var(--muted-2); padding-top:9px; }
.cs-sec .lab b{ display:block; font-family:var(--font-display); font-weight:800; font-size:44px;
  letter-spacing:-.03em; color:rgba(255,255,255,.12); line-height:1; margin-bottom:10px; }
@media (max-width:820px){ .cs-sec{ grid-template-columns:1fr; gap:10px; } }

.cs-figure{ margin:0 0 60px; border-radius:24px; overflow:hidden; background:#07081a; }
.cs-figure img{ width:100%; display:block; aspect-ratio:21/9; object-fit:cover; }
.cs-figure figcaption{ font-size:13px; color:var(--muted-2); padding:12px 4px 0; background:var(--bg); }
.cs-figs{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:0 0 60px; }
.cs-figs img{ width:100%; display:block; aspect-ratio:16/9; object-fit:cover; border-radius:20px; }
@media (max-width:720px){ .cs-figs{ grid-template-columns:1fr; } }

/* panels */
.cs-block{ background:var(--panel); border-radius:24px; padding:30px 30px 28px; margin:0 0 20px; }
.cs-block .hd{ display:flex; align-items:baseline; justify-content:space-between; gap:16px;
  flex-wrap:wrap; margin-bottom:22px; }
.cs-block .hd h3{ font-family:var(--font-display); font-weight:800; text-transform:uppercase;
  font-size:19px; letter-spacing:-.005em; margin:0; }
.cs-block .hd span{ font-size:13.5px; color:var(--muted-2); }

/* top videos chart */
.cs-chart{ display:grid; grid-template-columns:minmax(0,1.6fr) minmax(0,1fr); gap:34px; }
@media (max-width:900px){ .cs-chart{ grid-template-columns:1fr; } }
.cs-bars{ display:flex; flex-direction:column; gap:13px; }
.cs-bars .r{ display:grid; grid-template-columns:minmax(0,190px) minmax(0,1fr) 74px; align-items:center; gap:14px; }
.cs-bars .r .who{ font-size:13.5px; color:var(--text); line-height:1.3; }
.cs-bars .r .who small{ display:block; font-size:12px; color:var(--muted-2); }
.cs-bars .r .tr{ height:12px; border-radius:6px; background:rgba(255,255,255,.06); overflow:hidden; }
.cs-bars .r .tr i{ display:block; height:100%; border-radius:6px; width:0;
  background:linear-gradient(90deg,rgba(242,194,48,.55),var(--cs-accent)); transition:width 1.3s var(--ease); }
.cs-bars.go .r .tr i{ width:var(--w); }
.cs-bars .r .v{ font-size:13.5px; font-weight:600; text-align:right; font-variant-numeric:tabular-nums; }
@media (max-width:560px){ .cs-bars .r{ grid-template-columns:1fr 64px; }
  .cs-bars .r .who{ grid-column:1/-1; } }
.cs-stand{ display:flex; flex-direction:column; gap:16px; }
.cs-stand .s{ background:#161838; border-radius:16px; padding:16px 18px; }
.cs-stand .s .k{ font-size:11.5px; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--muted-2); }
.cs-stand .s p{ font-size:14.5px; line-height:1.55; color:var(--muted); margin:7px 0 0; }
.cs-stand .s p b{ color:var(--text); font-weight:600; }

/* tables */
.cs-table{ width:100%; border-collapse:collapse; font-size:14.5px; }
.cs-table th{ text-align:left; font-size:11.5px; font-weight:700; letter-spacing:.12em;
  text-transform:uppercase; color:var(--muted-2); padding:0 14px 12px; border-bottom:1px solid var(--line); }
.cs-table td{ padding:15px 14px; border-bottom:1px solid var(--line-soft); color:var(--muted); vertical-align:middle; }
.cs-table tr:last-child td{ border-bottom:0; }
.cs-table td b{ color:var(--text); font-weight:600; }
.cs-table .pl{ display:flex; align-items:center; gap:10px; color:var(--text); font-weight:600; white-space:nowrap; }
.cs-table .num{ font-variant-numeric:tabular-nums; white-space:nowrap; }
.cs-scroll{ overflow-x:auto; margin:0 -6px; padding:0 6px; }

/* two insight cards */
.cs-insights{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:0 0 60px; }
.cs-insights .i{ border-radius:20px; padding:24px 26px; background:#161838; }
.cs-insights .i h4{ font-size:16px; margin:0 0 9px; color:var(--text); }
.cs-insights .i p{ font-size:14.5px; line-height:1.65; color:var(--muted); margin:0; }
@media (max-width:760px){ .cs-insights{ grid-template-columns:1fr; } }

/* featured videos */
.cs-vids{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; }
.cs-vid{ background:var(--panel); border-radius:20px; overflow:hidden; display:flex; flex-direction:column; }
.cs-vid .th{ aspect-ratio:2/1; overflow:hidden; background:#07081a; }
.cs-vid .th img{ width:100%; height:100%; object-fit:cover; display:block; }
.cs-vid .bd{ padding:18px 20px 20px; }
.cs-vid .plays{ font-family:var(--font-display); font-weight:800; font-size:26px; letter-spacing:-.02em;
  color:var(--cs-accent); line-height:1; }
.cs-vid .ti{ font-size:15px; font-weight:600; color:var(--text); margin:10px 0 0; line-height:1.4; }
.cs-vid .ti small{ font-weight:400; color:var(--muted-2); }
.cs-vid .sub{ font-size:13.5px; color:var(--muted); margin:6px 0 0; line-height:1.5; }
.cs-vid.sm{ flex-direction:row; align-items:stretch; }
.cs-vid.sm .th{ width:42%; aspect-ratio:auto; flex:none; }
.cs-vid.sm .plays{ font-size:22px; }
@media (max-width:760px){ .cs-vids{ grid-template-columns:1fr; } }

/* closing CTA */
.cs-cta{ margin:80px 0 0; border-radius:24px; padding:46px 40px; text-align:center;
  background:radial-gradient(120% 140% at 50% 0%,#24286b 0%,#14163d 55%,#0f1033 100%); }
.cs-cta h2{ font-family:var(--font-display); font-weight:800; text-transform:uppercase;
  font-size:clamp(24px,3.4vw,38px); line-height:1.08; margin:0 0 12px; }
.cs-cta p{ font-size:16.5px; color:var(--muted); margin:0 auto 26px; max-width:52ch; line-height:1.6; }
.cs-cta .row{ display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }
.cs-cta a{ padding:15px 24px; border-radius:12px; font-weight:600; font-size:15px; }
.cs-cta a.p{ background:var(--blue); color:#fff; }
.cs-cta a.p:hover{ background:var(--blue-deep); }
.cs-cta a.s{ background:#fff; color:#0e0f2d; }

/* reveal on scroll */
.rv{ opacity:0; transform:translateY(18px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.rv.on{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  .rv, .cs-card{ opacity:1; transform:none; animation:none; transition:none; }
  .cs-plat .bar i, .cs-bars .r .tr i{ transition:none; }
}

@media (max-width:640px){
  .cs-hero{ aspect-ratio:4/3; }
  .cs-hero .cap{ left:20px; right:20px; bottom:20px; }
  .cs-block{ padding:22px 18px; }
  .cs-cta{ padding:34px 22px; }
}