/* ──────────────────────────────────────────────────────────────────────
   Case study — dashboard fullscreen, 2026 tech HUD
   Edge-to-edge, monospace, no rounded boxes, neon cyan accents
   ────────────────────────────────────────────────────────────────────── */

.case-study-page{
  --cs-bg:#05080c;
  --cs-bg-2:#0a1118;
  --cs-line:#142433;
  --cs-line-2:#1f3a52;
  --cs-ink:#e6f1ff;
  --cs-mute:#5b6e82;
  --cs-mute-2:#8aa0b8;
  --cs-acc:#7afff0;       /* cyan principale */
  --cs-acc-2:#b3ff5e;     /* lime accento */
  --cs-warn:#ff7a59;
  --cs-mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace;
  background:var(--cs-bg);
  color:var(--cs-ink);
}

.case-study-shell{min-height:100vh;display:flex;flex-direction:column;position:relative;overflow:hidden}

/* Griglia di sfondo full-page (decorativa) */
.case-study-shell::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(var(--cs-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--cs-line) 1px,transparent 1px);
  background-size:80px 80px;
  opacity:.35;
  mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 80%);
}
.case-study-shell::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(800px 500px at 80% -10%,rgba(122,255,240,.08),transparent 70%),
             radial-gradient(700px 400px at -10% 110%,rgba(179,255,94,.05),transparent 70%);
}

.cs-main{flex:1 1 auto;width:100%;position:relative;z-index:1;display:flex;flex-direction:column}

/* ── STATUSBAR HUD ─────────────────────────────────────────────────── */
.cs-statusbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;gap:0;
  padding:0;height:36px;
  background:rgba(5,8,12,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--cs-line);
  font-family:var(--cs-mono);font-size:11px;letter-spacing:.14em;color:var(--cs-mute-2);
  text-transform:uppercase;overflow-x:auto;scrollbar-width:none;
}
.cs-statusbar::-webkit-scrollbar{display:none}
.cs-status-dot{
  width:10px;height:10px;border-radius:50%;background:var(--cs-acc-2);
  margin:0 14px;flex-shrink:0;position:relative;
  box-shadow:0 0 12px var(--cs-acc-2),0 0 24px var(--cs-acc-2);
  animation:cs-pulse 1.2s ease-in-out infinite;
}
.cs-status-dot::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:1px solid var(--cs-acc-2);
  animation:cs-pulse-ring 1.2s ease-out infinite;
}
@keyframes cs-pulse{
  0%,100%{transform:scale(1);box-shadow:0 0 12px var(--cs-acc-2),0 0 24px var(--cs-acc-2)}
  50%{transform:scale(1.25);box-shadow:0 0 18px var(--cs-acc-2),0 0 36px var(--cs-acc-2)}
}
@keyframes cs-pulse-ring{
  0%{transform:scale(.6);opacity:1}
  100%{transform:scale(2.2);opacity:0}
}
.cs-status-cell{padding:0 16px;border-right:1px solid var(--cs-line);height:100%;display:flex;align-items:center;flex-shrink:0;white-space:nowrap}
.cs-status-cell:last-child{border-right:0}
.cs-status-live{
  color:#04161a;background:var(--cs-acc-2);
  font-weight:700;letter-spacing:.18em;
  margin-left:auto;padding:0 18px;
  text-shadow:none;
  animation:cs-live-blink 1.2s ease-in-out infinite;
}
@keyframes cs-live-blink{
  0%,100%{background:var(--cs-acc-2);box-shadow:inset 0 0 0 0 transparent}
  50%{background:#d4ff7a;box-shadow:inset 0 0 20px rgba(255,255,255,.5)}
}

/* Tag di sezione "// 02 · METRICS" ──────────────────────────────────── */
.cs-section-tag{
  font-family:var(--cs-mono);font-size:11px;letter-spacing:.18em;color:var(--cs-mute);
  text-transform:uppercase;padding:14px 32px;border-bottom:1px solid var(--cs-line);
  position:relative;
}
.cs-section-tag::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cs-acc);
  box-shadow:0 0 12px var(--cs-acc);
}

/* ── HERO ──────────────────────────────────────────────────────────── */
.cs-hero{
  position:relative;
  padding: 26px 12px 64px;
  border-bottom:1px solid var(--cs-line);
  overflow:hidden;
}
.cs-hero::before{
  /* angolari "[ ]" decorativi */
  content:"";position:absolute;top:48px;left:32px;width:24px;height:24px;
  border-top:1px solid var(--cs-acc);border-left:1px solid var(--cs-acc);
  opacity:.6;
}
.cs-hero::after{
  content:"";position:absolute;bottom:32px;right:32px;width:24px;height:24px;
  border-bottom:1px solid var(--cs-acc);border-right:1px solid var(--cs-acc);
  opacity:.6;
}
.cs-hero-inner{
  max-width:1600px;margin:0 auto;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:48px;align-items:start;
}
.cs-hero-copy{display:flex;flex-direction:column;gap:18px;min-width:0}
.cs-hero-radar{
  position:relative;
  display:flex;flex-direction:column;align-items:flex-end;gap:14px;
  padding:18px;
  border:1px solid var(--cs-line);
  background:rgba(10,17,24,.4);
  backdrop-filter:blur(4px);
}
.cs-hero-radar-tag{
  font-family:var(--cs-mono);font-size:10px;letter-spacing:.22em;
  color:var(--cs-acc);text-transform:uppercase;align-self:flex-start;
}
.cs-hero-radar .cs-radar{width:100%;max-width:560px;height:auto;display:block;margin:0 auto;filter:drop-shadow(0 0 24px rgba(122,255,240,.18))}
@media (max-width:1024px){
  .cs-hero-inner{grid-template-columns:1fr;gap:32px}
  .cs-hero-radar{align-items:stretch}
  .cs-hero-radar .cs-radar{max-width:480px}
}

.cs-hero-eye{
  margin:0;font-family:var(--cs-mono);font-size:12px;letter-spacing:.22em;
  color:var(--cs-acc);text-transform:uppercase;
}
.cs-title{
  margin:0;
  font-size:clamp(56px,9vw,90px);
  font-weight:800;
  line-height:.95;
  letter-spacing:-.03em;
  color:var(--cs-ink);
  text-shadow:0 0 40px rgba(122,255,240,.15);
  word-break:break-word;
}
.cs-subtitle{
  margin:8px 0 0;font-size:clamp(18px,2.2vw,28px);font-weight:400;
  color:var(--cs-mute-2);max-width:60ch;
}
.cs-tagline{
  margin:6px 0 0;font-size:clamp(14px,1.5vw,17px);
  color:var(--cs-mute);max-width:64ch;line-height:1.6;
  font-family:var(--cs-mono);
}
.cs-meta{
  list-style:none;padding:24px 0 0;margin:18px 0 0;
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px dashed var(--cs-line);
}
.cs-meta div{
  display:flex;flex-direction:column;gap:4px;
  padding:0 28px 0 0;margin-right:28px;
  border-right:1px solid var(--cs-line);
}
.cs-meta div:last-child{border-right:0;margin-right:0;padding-right:0}
.cs-meta dt{
  margin:0;font-family:var(--cs-mono);font-size:10px;letter-spacing:.2em;
  color:var(--cs-mute);text-transform:uppercase;
}
.cs-meta dd{margin:0;font-size:14px;color:var(--cs-ink);font-weight:600;font-family:var(--cs-mono)}
.cs-meta-link{color:var(--cs-acc);text-decoration:none}
.cs-meta-link:hover{text-shadow:0 0 8px var(--cs-acc)}

/* ── GALLERY: scroll verticale fullbleed ───────────────────────────── */
.cs-gallery{
  position:relative;
  border-bottom:1px solid var(--cs-line);
  background:var(--cs-bg-2);
}
.cs-gallery .cs-section-tag{position:absolute;top:0;left:0;right:0;z-index:5;background:rgba(10,17,24,.9);backdrop-filter:blur(8px)}
.cs-gallery-track{
  scroll-snap-type:y mandatory;overflow-y:auto;
  height:100vh;max-height:900px;
  scrollbar-width:thin;scrollbar-color:var(--cs-acc) transparent;
}
.cs-gallery-track::-webkit-scrollbar{width:4px}
.cs-gallery-track::-webkit-scrollbar-thumb{background:var(--cs-acc);border-radius:0}
.cs-shot{
  margin:0;scroll-snap-align:start;
  height:100vh;max-height:900px;
  display:flex;align-items:center;justify-content:center;
  padding:80px 40px 40px;box-sizing:border-box;
  position:relative;
}
.cs-shot-idx{
  position:absolute;top:60px;right:40px;
  font-family:var(--cs-mono);font-size:11px;letter-spacing:.2em;
  color:var(--cs-acc);
  padding:4px 10px;border:1px solid var(--cs-acc);
}
.cs-shot img{
  max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;
  box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px var(--cs-line-2);
}

/* ── GRID metrics + story ──────────────────────────────────────────── */
.cs-grid{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);
  border-bottom:1px solid var(--cs-line);
}
@media (max-width:1024px){.cs-grid{grid-template-columns:1fr}}
.cs-cell{padding:0;position:relative}
.cs-cell + .cs-cell{border-left:1px solid var(--cs-line)}
@media (max-width:1024px){.cs-cell + .cs-cell{border-left:0;border-top:1px solid var(--cs-line)}}

/* Radar (usato in hero) */
.cs-radar-grid{fill:rgba(122,255,240,.02);stroke:var(--cs-line);stroke-width:1}
.cs-radar-axis{stroke:var(--cs-line);stroke-width:1;stroke-dasharray:2 4}
.cs-radar-shape{
  fill:rgba(122,255,240,.18);stroke:var(--cs-acc);stroke-width:1.5;stroke-linejoin:round;
  filter:drop-shadow(0 0 8px rgba(122,255,240,.4));
}
.cs-radar-dot{fill:var(--cs-acc);filter:drop-shadow(0 0 4px var(--cs-acc))}
.cs-radar-label{
  fill:var(--cs-mute-2);font-size:11px;font-family:var(--cs-mono);
  letter-spacing:.1em;text-transform:uppercase;
}

/* Barre metriche (sezione 02) */
.cs-metrics{padding:0 0 48px}
.cs-metrics-legend{
  list-style:none;padding:24px 32px 0;margin:0;
  display:grid;grid-template-columns:1fr;gap:0;
  font-family:var(--cs-mono);font-size:13px;
}
.cs-metrics-legend li{
  display:grid;grid-template-columns:200px 1fr 50px;align-items:center;gap:24px;
  padding:14px 0;border-top:1px solid var(--cs-line);
}
.cs-metrics-legend li:first-child{border-top:0}
.cs-metrics-k{color:var(--cs-mute-2);text-transform:uppercase;letter-spacing:.14em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cs-metrics-v{color:var(--cs-acc);font-weight:700;text-align:right}
.cs-metrics-bar{display:block;height:4px;background:var(--cs-line);position:relative;overflow:hidden}
.cs-metrics-fill{display:block;height:100%;background:var(--cs-acc);box-shadow:0 0 8px var(--cs-acc);transition:width .6s ease}

/* Story */
.cs-story{padding:0 0 48px}
.cs-section{padding:32px;border-top:1px solid var(--cs-line)}
.cs-story .cs-section:first-of-type{border-top:0}
.cs-section-h{
  margin:0 0 14px;font-size:22px;font-weight:700;color:var(--cs-ink);
  display:flex;align-items:baseline;gap:14px;letter-spacing:-.01em;
}
.cs-section-n{
  font-family:var(--cs-mono);font-size:12px;color:var(--cs-acc);font-weight:500;
  letter-spacing:.2em;
}
.cs-section p{margin:0 0 12px;color:var(--cs-mute-2);line-height:1.75;font-size:15px;max-width:72ch}
.cs-section p:last-child{margin-bottom:0}

/* ── STACK ─────────────────────────────────────────────────────────── */
.cs-stack{padding:0 0 32px;border-bottom:1px solid var(--cs-line)}
.cs-stack-list{
  list-style:none;padding:24px 32px;margin:0;
  display:flex;flex-wrap:wrap;gap:0;
}
.cs-stack-list li{margin:0}
.cs-chip{
  display:inline-flex;align-items:center;
  padding:10px 18px;
  border:1px solid var(--cs-line-2);background:transparent;
  color:var(--cs-mute-2);text-decoration:none;
  font-family:var(--cs-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  margin:-1px 0 0 -1px;
  transition:color .15s,border-color .15s,background .15s,box-shadow .15s;
}
.cs-chip:hover{
  color:var(--cs-acc);border-color:var(--cs-acc);
  background:rgba(122,255,240,.04);
  box-shadow:inset 0 0 16px rgba(122,255,240,.1);
  z-index:1;position:relative;
}
.cs-chip-static{cursor:default}
.cs-chip-static:hover{color:var(--cs-mute-2);border-color:var(--cs-line-2);background:transparent;box-shadow:none}

/* ── CTA ───────────────────────────────────────────────────────────── */
.cs-cta{
  padding:0;border-bottom:1px solid var(--cs-line);
  background:
    linear-gradient(180deg,transparent 0%,rgba(122,255,240,.04) 100%),
    var(--cs-bg);
  position:relative;
}
.cs-cta-inner{
  padding:80px 32px;text-align:center;max-width:760px;margin:0 auto;
  display:flex;flex-direction:column;gap:18px;align-items:center;
}
.cs-cta h2{
  margin:0;font-size:clamp(32px,5vw,56px);font-weight:800;color:var(--cs-ink);
  letter-spacing:-.02em;line-height:1.05;
}
.cs-cta p{margin:0;color:var(--cs-mute-2);line-height:1.6;font-size:16px;max-width:60ch}
.cs-cta .btn.primary{
  margin-top:14px;background:var(--cs-acc);color:#04161a;border:0;
  padding:14px 28px;font-family:var(--cs-mono);font-size:13px;letter-spacing:.2em;
  text-transform:uppercase;font-weight:700;border-radius:0;
  box-shadow:0 0 0 1px var(--cs-acc),0 0 30px rgba(122,255,240,.4);
  transition:transform .15s,box-shadow .15s;
}
.cs-cta .btn.primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px var(--cs-acc),0 0 40px rgba(122,255,240,.6);
}

/* ── PREV / NEXT come dock fisso in basso ──────────────────────────── */
.cs-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border-top:1px solid var(--cs-line);
}
.cs-nav-link{
  display:flex;align-items:center;gap:14px;
  padding:24px 32px;
  background:transparent;color:var(--cs-mute-2);text-decoration:none;
  font-family:var(--cs-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  transition:background .15s,color .15s;
  border-right:1px solid var(--cs-line);
}
.cs-nav-link:last-child{border-right:0}
.cs-nav-link:hover{background:rgba(122,255,240,.04);color:var(--cs-acc)}
.cs-nav-prev{justify-content:flex-start}
.cs-nav-next{justify-content:flex-end;text-align:right}
.cs-nav-arr{font-size:24px;color:var(--cs-acc);transition:transform .15s}
.cs-nav-prev:hover .cs-nav-arr{transform:translateX(-4px)}
.cs-nav-next:hover .cs-nav-arr{transform:translateX(4px)}
.cs-nav-lbl{color:var(--cs-mute);font-size:10px}
.cs-nav-slug{color:var(--cs-ink);font-weight:700;font-size:14px}
.cs-nav-disabled{opacity:.25;cursor:not-allowed;pointer-events:none}

/* ── Mobile ────────────────────────────────────────────────────────── */
@media (max-width:768px){
  .cs-statusbar{font-size:10px}
  .cs-status-cell{padding:0 10px}
  .cs-hero{padding:64px 20px 40px}
  .cs-section-tag{padding:12px 20px}
  .cs-radar-wrap{padding:20px}
  .cs-section{padding:24px 20px}
  .cs-stack-list{padding:20px}
  .cs-cta-inner{padding:48px 20px}
  .cs-shot{padding:64px 16px 16px;height:80vh}
  .cs-nav{grid-template-columns:1fr}
  .cs-nav-link{border-right:0;border-bottom:1px solid var(--cs-line)}
  .cs-nav-next{justify-content:flex-start;text-align:left}
  .cs-meta div{padding-right:18px;margin-right:18px}
}