/* ==========================================================================
   Sugar Bear — Case study detail
   Riusa i token e l'header/footer di styles5.css. Qui solo il layout del caso.
   ========================================================================== */

/* ---------- CASE HEADER — fascia menu su fondo blu scuro pieno, nessuno shader ---------- */
.site-header{ background:var(--navy); border-bottom-color:var(--line); }
.site-header::before{ display:none; }

/* ---------- CASE HERO ---------- */
.case-hero{ position:relative; padding:clamp(40px,7vw,90px) 0 clamp(36px,5vw,64px); background:var(--navy); overflow:hidden; }
.case-hero > .wrap{ position:relative; z-index:1; animation:heroIn .9s ease both; }
@keyframes heroIn{ from{ opacity:0; } to{ opacity:1; } }
@media (prefers-reduced-motion: reduce){ .case-hero > .wrap{ animation:none; } }
.back-link{ display:inline-flex; align-items:center; gap:.5em; font-family:var(--mono); font-size:.78rem;
  letter-spacing:.1em; text-transform:uppercase; color:var(--soft); margin-bottom:clamp(28px,4vw,44px);
  transition:color .2s ease, gap .2s ease; }
.back-link:hover{ color:var(--sky); gap:.8em; }
.case-hero-head{ display:flex; align-items:center; gap:14px; margin-bottom:24px; flex-wrap:wrap; }
.case-reg-tag{ display:inline-flex; align-items:center; gap:.6em; font-family:var(--mono); font-size:.74rem;
  letter-spacing:.12em; text-transform:uppercase; color:var(--c); padding:.5em 1em; border-radius:999px;
  border:1px solid color-mix(in srgb,var(--c) 35%,transparent); background:color-mix(in srgb,var(--c) 10%,transparent); }
.case-reg-tag::before{ content:""; width:8px; height:8px; border-radius:50%; background:var(--c); box-shadow:0 0 10px 1px var(--c); }
.case-no-big{ font-family:var(--mono); font-size:.82rem; letter-spacing:.1em; color:var(--faint); }
.case-hero h1{ font-size:clamp(3rem,8vw,6.5rem); font-weight:700; letter-spacing:-.03em; line-height:.98;
  text-shadow:0 2px 40px rgba(0,18,34,.5); }
.case-hook-big{ font-size:clamp(1.4rem,2.6vw,2.2rem); font-weight:500; line-height:1.28; max-width:24ch;
  margin-top:26px; color:var(--paper); text-shadow:0 1px 24px rgba(0,18,34,.5); }
.case-hook-big .q{ color:var(--c); }
.case-meta{ display:flex; flex-wrap:wrap; gap:10px; margin-top:34px; }
.case-meta .m{ font-family:var(--mono); font-size:.76rem; letter-spacing:.03em; color:var(--soft);
  padding:.5em .95em; border-radius:999px; border:1px solid var(--line-2); background:var(--glass); backdrop-filter:blur(8px); }

/* hero media (full-width frame) */
.case-cover{ position:relative; margin-top:clamp(36px,5vw,60px); border-radius:var(--r); overflow:hidden;
  border:1px solid var(--line-2); aspect-ratio:21/9; display:flex; align-items:center; justify-content:center;
  background:repeating-linear-gradient(135deg,transparent 0 16px,color-mix(in srgb,var(--c) 8%,transparent) 16px 17px), color-mix(in srgb,var(--c) 6%,var(--navy)); }
.case-cover.plate{ background:#000; }
.case-cover.plate img{ object-fit:contain; }
.case-cover .ph-label{ font-family:var(--mono); font-size:.82rem; color:color-mix(in srgb,var(--c) 82%,var(--paper));
  background:rgba(0,25,48,.6); border:1px solid var(--line-2); padding:.6em 1em; border-radius:8px; }
.case-cover img{ width:100%; height:100%; object-fit:cover; object-position:top center; display:block; }

/* ---------- SECTION (case) ---------- */
.case-section{ padding-block:clamp(64px,9vw,120px); position:relative; }
.case-section.cover{ background:var(--navy); }
.case-section.cover + .case-section.cover{ border-top:1px solid var(--line); }
/* visually-continuous demo band: own <section> semantically, but no divider/extra padding */
.case-section.cover.band-flush{ padding-block:0; }
.case-section.cover.band-flush .demo-band{ margin-top:0; }
.case-section.cover + .case-section.cover.band-flush{ border-top:0; }
.case-section.cover.band-flush + .case-section.cover{ border-top:0; }
.case-section.opaline{ background:rgba(6,30,52,.5); backdrop-filter:blur(9px) saturate(125%); -webkit-backdrop-filter:blur(9px) saturate(125%); }
.case-lead-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(32px,5vw,72px); align-items:start; }
.case-kicker{ font-family:var(--mono); font-size:.74rem; letter-spacing:.2em; text-transform:uppercase; color:var(--sky); }
.case-h2{ font-size:clamp(1.8rem,3.6vw,2.8rem); font-weight:600; margin-top:18px; letter-spacing:-.02em; }
.case-body-text{ display:flex; flex-direction:column; gap:18px; color:var(--soft); font-size:1.08rem; line-height:1.62; }
.case-body-text strong{ color:var(--paper); }

/* ---------- NODI (key solutions) ---------- */
.nodi{ display:flex; flex-direction:column; gap:clamp(40px,6vw,80px); margin-top:clamp(44px,5vw,68px); }
.nodo{ --c:var(--teal); display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,4vw,56px); align-items:center; }
.nodo:nth-child(even) .nodo-media{ order:2; }
.nodo-media{ position:relative; border-radius:var(--r); overflow:hidden; border:1px solid var(--line); aspect-ratio:4/3;
  background:repeating-linear-gradient(135deg,transparent 0 13px,color-mix(in srgb,var(--c) 9%,transparent) 13px 14px), color-mix(in srgb,var(--c) 7%,var(--navy));
  display:flex; align-items:center; justify-content:center; transition:transform .4s ease, box-shadow .4s ease, border-color .4s ease; }
.nodo:hover .nodo-media{ transform:translateY(-5px); border-color:color-mix(in srgb,var(--c) 40%,transparent);
  box-shadow:0 40px 90px -50px rgba(0,0,0,.85), 0 0 70px -22px color-mix(in srgb,var(--c) 55%,transparent); }
.nodo-media .ph-label{ font-family:var(--mono); font-size:.76rem; color:color-mix(in srgb,var(--c) 82%,var(--paper));
  background:rgba(0,25,48,.6); border:1px solid var(--line-2); padding:.55em .9em; border-radius:8px; }
.nodo-media img{ width:100%; height:100%; object-fit:cover; object-position:top center; display:block; }
.nodo-n{ position:absolute; top:14px; left:16px; font-family:var(--mono); font-size:.82rem; color:var(--c); }
.nodo-content{ max-width:52ch; }
.nodo-tag{ display:inline-flex; align-items:center; gap:.55em; font-family:var(--mono); font-size:.72rem;
  letter-spacing:.12em; text-transform:uppercase; color:var(--c); margin-bottom:16px; }
.nodo-tag::before{ content:""; width:7px; height:7px; border-radius:50%; background:var(--c); box-shadow:0 0 9px 1px var(--c); }
.nodo h3{ font-size:clamp(1.5rem,2.4vw,2rem); font-weight:600; letter-spacing:-.02em; }
.nodo p{ margin-top:16px; color:var(--soft); font-size:1.04rem; line-height:1.62; }
.nodo p strong{ color:var(--paper); }
.nodo-points{ list-style:none; margin:20px 0 0; padding:0; display:flex; flex-direction:column; gap:11px; }
.nodo-points li{ font-size:.98rem; color:var(--soft); display:flex; gap:12px; align-items:baseline; }
.nodo-points li::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--c); flex:none; transform:translateY(-1px); box-shadow:0 0 8px 0 var(--c); }

/* ---------- ARCHITETTURA (stack diagram) ---------- */
.arch{ display:grid; grid-template-columns:repeat(12,minmax(0,1fr)); gap:14px; margin-top:clamp(40px,5vw,60px); }
.arch-block{ position:relative; overflow:hidden; padding:26px 24px; border-radius:16px; --c:var(--sky);
  background:var(--glass); backdrop-filter:blur(10px); border:1px solid var(--line);
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease; }
.arch-block:hover{ transform:translateY(-4px); border-color:color-mix(in srgb,var(--c) 45%,transparent);
  box-shadow:0 24px 60px -40px rgba(0,0,0,.8), 0 0 50px -20px color-mix(in srgb,var(--c) 55%,transparent); }
.arch-block .layer{ font-family:var(--mono); font-size:.68rem; letter-spacing:.14em; text-transform:uppercase; color:var(--c); }
.arch-block h4{ font-size:1.15rem; margin:10px 0 8px; font-weight:600; }
.arch-block p{ color:var(--soft); font-size:.9rem; line-height:1.5; }
.arch-block .icon{ width:40px; height:40px; border-radius:11px; display:flex; align-items:center; justify-content:center;
  background:color-mix(in srgb,var(--c) 13%,transparent); border:1px solid color-mix(in srgb,var(--c) 28%,transparent);
  color:var(--c); margin-bottom:16px; }
.arch-block .icon svg{ width:21px; height:21px; }
.col-12{ grid-column:span 12; } .col-8{ grid-column:span 8; } .col-7{ grid-column:span 7; } .col-6{ grid-column:span 6; }
.col-5{ grid-column:span 5; } .col-4{ grid-column:span 4; } .col-3{ grid-column:span 3; }

/* ---------- PROVA / RESULTS ---------- */
.proof-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(18px,2.4vw,28px); margin-top:clamp(40px,5vw,60px); }
.shot{ position:relative; border-radius:var(--r); overflow:hidden; border:1px solid var(--line); aspect-ratio:16/10; --c:var(--teal);
  background:repeating-linear-gradient(135deg,transparent 0 13px,color-mix(in srgb,var(--c) 9%,transparent) 13px 14px), color-mix(in srgb,var(--c) 6%,var(--navy));
  display:flex; align-items:flex-end; transition:transform .4s ease, box-shadow .4s ease, border-color .4s ease; }
.shot:hover{ transform:translateY(-4px); border-color:color-mix(in srgb,var(--c) 40%,transparent);
  box-shadow:0 30px 70px -45px rgba(0,0,0,.85), 0 0 60px -24px color-mix(in srgb,var(--c) 50%,transparent); }
.shot img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:top center; display:block; }
.shot .ph-label{ font-family:var(--mono); font-size:.74rem; color:color-mix(in srgb,var(--c) 82%,var(--paper));
  margin:16px; background:rgba(0,25,48,.6); border:1px solid var(--line-2); padding:.5em .85em; border-radius:7px; position:relative; z-index:1; }
.proof-note{ margin-top:24px; font-family:var(--mono); font-size:.74rem; color:var(--faint); letter-spacing:.03em; }

/* ---------- APP STRIP (phone screenshots, full / not cropped, wraps to rows) ---------- */
.app-strip{ display:grid; grid-template-columns:repeat(auto-fill,minmax(140px,1fr)); gap:clamp(10px,1.4vw,18px); margin-top:clamp(20px,3vw,32px); }
.app-strip figure{ margin:0; border-radius:18px; overflow:hidden; border:1px solid var(--line); background:#0a2230; --c:var(--green);
  aspect-ratio:9/19.5; position:relative; transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease; }
.app-strip figure img{ width:100%; height:100%; object-fit:contain; display:block; }
.app-strip figure:hover{ transform:translateY(-5px); border-color:color-mix(in srgb,var(--c) 45%,transparent);
  box-shadow:0 26px 60px -38px rgba(0,0,0,.85), 0 0 50px -22px color-mix(in srgb,var(--c) 50%,transparent); z-index:2; }
.app-strip figcaption{ position:absolute; left:0; right:0; bottom:0; padding:16px 10px 9px; font-family:var(--mono);
  font-size:.6rem; letter-spacing:.08em; text-transform:uppercase; color:var(--paper);
  background:linear-gradient(transparent, rgba(0,18,34,.78)); opacity:0; transition:opacity .3s ease; }
.app-strip figure:hover figcaption{ opacity:1; }
.proof-sub{ font-family:var(--mono); font-size:.74rem; letter-spacing:.16em; text-transform:uppercase; color:var(--sky);
  margin-top:clamp(40px,5vw,64px); margin-bottom:4px; display:flex; align-items:center; gap:.7em; }
.proof-sub::before{ content:""; width:7px; height:7px; border-radius:50%; background:var(--sky); box-shadow:0 0 10px 1px var(--sky); }
.proof-lead{ margin-top:10px; color:var(--soft); font-size:1.05rem; line-height:1.6; max-width:64ch; }
.proof-lead strong{ color:var(--paper); }
@media (max-width:860px){ .app-strip{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:480px){ .app-strip{ grid-template-columns:repeat(2,1fr); } }
.proof-note code{ font-family:var(--mono); color:var(--soft); background:rgba(255,255,255,.04); padding:.12em .4em; border-radius:5px; }

/* ---------- CASE VIDEO ---------- */
.case-video{ position:relative; margin:clamp(40px,5vw,60px) 0 0; border-radius:var(--r); overflow:hidden;
  border:1px solid color-mix(in srgb,var(--c) 30%,var(--line)); aspect-ratio:16/9; --c:var(--green);
  background:#02161f; box-shadow:0 40px 100px -55px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.05); }
.case-video video{ width:100%; height:100%; object-fit:cover; display:block; }
.video-ph{ position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:18px;
  background:
    radial-gradient(80% 70% at 50% 38%, color-mix(in srgb,var(--c) 16%,transparent), transparent 70%),
    repeating-linear-gradient(135deg,transparent 0 15px,color-mix(in srgb,var(--c) 8%,transparent) 15px 16px),
    color-mix(in srgb,var(--c) 7%,var(--navy));
  cursor:pointer; transition:opacity .3s ease; }
.video-ph .play{ width:74px; height:74px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background:color-mix(in srgb,var(--c) 22%,transparent); border:1px solid color-mix(in srgb,var(--c) 55%,transparent); color:var(--c);
  transition:transform .25s ease, background .25s ease; }
.video-ph:hover .play{ transform:scale(1.08); background:color-mix(in srgb,var(--c) 32%,transparent); }
.video-ph .play svg{ width:30px; height:30px; margin-left:3px; }
.video-label{ font-family:var(--mono); font-size:.8rem; color:color-mix(in srgb,var(--c) 84%,var(--paper));
  background:rgba(0,25,48,.6); border:1px solid var(--line-2); padding:.55em .9em; border-radius:8px; text-align:center; max-width:80%; }
.video-label code{ color:var(--paper); }
.case-video.playing .video-ph{ opacity:0; pointer-events:none; }

/* ---------- DEMO FRAME (visual-led cases) ---------- */
.demo-frame{ position:relative; margin-top:clamp(40px,5vw,60px); border-radius:var(--r); overflow:hidden;
  border:1px solid color-mix(in srgb,var(--c) 30%,var(--line)); aspect-ratio:16/9; --c:var(--green);
  background:
    radial-gradient(80% 70% at 50% 30%, color-mix(in srgb,var(--c) 16%,transparent), transparent 70%),
    repeating-linear-gradient(135deg,transparent 0 15px,color-mix(in srgb,var(--c) 8%,transparent) 15px 16px),
    color-mix(in srgb,var(--c) 7%,var(--navy));
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 40px 100px -55px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.05); }
.demo-frame .ph-label{ font-family:var(--mono); font-size:.82rem; color:color-mix(in srgb,var(--c) 84%,var(--paper));
  background:rgba(0,25,48,.6); border:1px solid var(--line-2); padding:.6em .95em; border-radius:8px; }
.demo-frame .demo-badge{ position:absolute; top:16px; left:16px; font-family:var(--mono); font-size:.66rem;
  letter-spacing:.14em; color:var(--navy); background:var(--c); padding:.4em .7em; border-radius:6px; font-weight:700; }

/* ---------- METRICS (optional row) ---------- */
.metrics{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(18px,2.4vw,28px); margin-top:clamp(36px,4vw,52px); }
.metric{ padding:28px 26px; border-radius:16px; background:var(--glass); border:1px solid var(--line); --c:var(--sky); }
.metric .n{ font-size:2.4rem; font-weight:700; letter-spacing:-.03em; color:var(--paper); }
.metric .l{ font-family:var(--mono); font-size:.74rem; letter-spacing:.06em; color:var(--soft); margin-top:8px; }

/* ---------- PAGER / NEXT CASE ---------- */
.case-pager{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-top:clamp(20px,3vw,36px); }
.pager-card{ display:flex; flex-direction:column; gap:8px; padding:30px 32px; border-radius:var(--r);
  background:var(--glass); backdrop-filter:blur(10px); border:1px solid var(--line); --c:var(--blue);
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease; }
.pager-card:hover{ transform:translateY(-4px); border-color:color-mix(in srgb,var(--c) 45%,transparent);
  box-shadow:0 24px 60px -40px rgba(0,0,0,.8), 0 0 50px -20px color-mix(in srgb,var(--c) 50%,transparent); }
.pager-card.next{ text-align:right; }
.pager-card .dir{ font-family:var(--mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color:var(--faint); }
.pager-card .nm{ font-size:1.5rem; font-weight:600; }
.pager-card .dm{ font-family:var(--mono); font-size:.76rem; color:var(--c); }

/* ---------- DAY/NIGHT ROLL (interactive comparison) ---------- */
.daynight{ position:relative; border-radius:var(--r); overflow:hidden; border:1px solid var(--line); aspect-ratio:4/3;
  --c:var(--lime); --reveal:18%; cursor:ew-resize; touch-action:none;
  transition:box-shadow .4s ease, border-color .4s ease; }
.nodo:hover .daynight{ border-color:color-mix(in srgb,var(--c) 40%,transparent);
  box-shadow:0 40px 90px -50px rgba(0,0,0,.85), 0 0 70px -22px color-mix(in srgb,var(--c) 55%,transparent); }
.daynight img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; }
.daynight .dn-night{ z-index:1; }
.daynight .dn-day{ z-index:2; clip-path:inset(0 0 0 var(--reveal)); }
.daynight .dn-handle{ position:absolute; top:0; bottom:0; left:var(--reveal); z-index:3; width:2px;
  background:linear-gradient(180deg,transparent,rgba(238,244,248,.9),transparent); transform:translateX(-1px); pointer-events:none; }
.daynight .dn-handle::after{ content:""; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:38px; height:38px; border-radius:50%; background:rgba(0,18,34,.6); border:1px solid rgba(238,244,248,.7);
  backdrop-filter:blur(6px); box-shadow:0 6px 24px -8px rgba(0,0,0,.7); }
.daynight .dn-handle::before{ content:"‹ ›"; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); z-index:1;
  font-family:var(--mono); font-size:.8rem; color:var(--paper); letter-spacing:-1px; }
.daynight .dn-tag{ position:absolute; z-index:4; bottom:14px; font-family:var(--mono); font-size:.66rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--paper); background:rgba(0,18,34,.6); border:1px solid var(--line-2);
  padding:.4em .7em; border-radius:6px; backdrop-filter:blur(6px); }
.daynight .dn-tag.night{ left:14px; } .daynight .dn-tag.day{ right:14px; }

/* ---------- NODO MEDIA · PLAIN (no border / no glow) ---------- */
.nodo-media.plain{ border:0; background:none; }
.nodo:hover .nodo-media.plain{ transform:none; box-shadow:none; border:0; }

/* ---------- DEMO BANNER (clean card, with message) ---------- */
.demo-band{ display:flex; align-items:center; gap:clamp(24px,3vw,40px); flex-wrap:wrap;
  margin-top:clamp(20px,3vw,32px); padding:clamp(24px,3vw,38px) clamp(26px,3vw,44px); border-radius:20px;
  background:linear-gradient(120deg, color-mix(in srgb,var(--lime) 12%,rgba(4,34,58,.85)), rgba(8,43,72,.7));
  border:1px solid color-mix(in srgb,var(--lime) 26%,var(--line-2)); }
.demo-band-l{ display:flex; align-items:center; gap:clamp(22px,2.6vw,34px); flex:1; min-width:min(100%,360px); }
.demo-band-l img{ height:clamp(82px,9vw,104px); width:auto; display:block; flex:none; }
.demo-band-txt h3{ font-size:clamp(1.3rem,2.1vw,1.75rem); font-weight:600; letter-spacing:-.02em; }
.demo-band-txt p{ margin-top:6px; color:var(--soft); font-size:.98rem; max-width:46ch; }
.demo-band .btn-demo{ display:inline-flex; align-items:center; gap:.6em; white-space:nowrap;
  font-family:var(--font); font-weight:600; font-size:1rem; padding:.95em 1.8em; border-radius:999px;
  background:var(--lime); color:#0a2a12; border:1px solid transparent;
  transition:transform .25s ease, background .25s ease; }
.demo-band .btn-demo:hover{ transform:translateY(-2px); background:#d6df7a; }
.demo-band .btn-demo .arr{ transition:transform .25s ease; }
.demo-band .btn-demo:hover .arr{ transform:translate(3px,-3px); }

/* ---------- GALLERY (uniform clean grid) ---------- */
.gallery{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(12px,1.5vw,16px); margin-top:clamp(40px,5vw,60px); }
.gallery figure{ position:relative; margin:0; border-radius:12px; overflow:hidden; aspect-ratio:3/2; --c:var(--lime);
  transition:transform .35s ease; }
.gallery figure img{ width:100%; height:100%; object-fit:cover; display:block; transition:transform .6s cubic-bezier(.2,.7,.2,1); }
.gallery figure:hover{ transform:translateY(-3px); }
.gallery figure:hover img{ transform:scale(1.05); }
.gallery figure figcaption{ position:absolute; left:0; right:0; bottom:0; z-index:1; padding:18px 14px 12px;
  font-family:var(--mono); font-size:.66rem; letter-spacing:.1em; text-transform:uppercase; color:var(--paper);
  background:linear-gradient(transparent, rgba(0,18,34,.7)); opacity:0; transition:opacity .3s ease; }
.gallery figure:hover figcaption{ opacity:1; }

/* ---------- RESPONSIVE ---------- */
@media (max-width:960px){
  .case-lead-grid{ grid-template-columns:1fr; gap:28px; }
  .arch-block{ grid-column:span 6 !important; }
}
@media (max-width:720px){
  .nodo{ grid-template-columns:1fr; gap:24px; }
  .nodo:nth-child(even) .nodo-media{ order:0; }
  .case-cover{ aspect-ratio:16/10; }
  .proof-grid{ grid-template-columns:1fr; }
  .metrics{ grid-template-columns:1fr; }
  .arch-block{ grid-column:span 12 !important; }
  .gallery{ grid-template-columns:repeat(2,1fr); }
  .demo-band{ flex-direction:column; align-items:flex-start; }
  .case-pager{ grid-template-columns:1fr; }
  .pager-card.next{ text-align:left; }
}