/* ============================================================
   Santo Stefano ai Ferri (Tivoli) — ricerca documentale
   ============================================================ */
:root{
  --petrolio:#044040; --petrolio-2:#0E5A58; --petrolio-3:#022B2B;
  --oro:#C79A3E; --oro-l:#E4C178; --oro-t:#7A5A1E;      /* oro scuro: testo su fondo chiaro */
  --laterizio:#A4553C; --laterizio-d:#7E3E2B; --laterizio-t:#8E452F;  /* laterizio scuro: testo su fondo chiaro */
  --calce:#F2E8D5; --paper:#EFE6D4; --paper-2:#E6DAC3;
  --ink:#241A12; --ink-2:#4A3B2E;
  --line-d:rgba(36,26,18,.16);
  --ff-d:'Cinzel',Georgia,serif;
  --ff-t:'Cormorant Garamond',Georgia,serif;
  --ff-b:'Inter',system-ui,sans-serif;
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--ff-b);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
body.lb-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--ff-t);font-weight:600;line-height:1.12;margin:0}

.grain{
  position:fixed;inset:0;pointer-events:none;z-index:60;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
.wrap{width:min(var(--wrap),92vw);margin:0 auto}
.section{padding:clamp(64px,9vw,128px) 0;position:relative}
.section-paper{background:var(--paper);color:var(--ink)}
.section-dark{background:var(--petrolio);color:var(--calce);--oro:#E4C178}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4{color:var(--calce)}

.eyebrow{
  font-family:var(--ff-b);font-size:11px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--oro);margin:0 0 14px;font-weight:600;
}
.lede{font-family:var(--ff-t);font-size:clamp(18px,2vw,22px);line-height:1.6;color:var(--ink-2);max-width:74ch;margin:0 0 34px}
.section-dark .lede{color:rgba(242,232,213,.82)}
.lede-sm{font-size:17px;margin-bottom:20px}
.sub-h{font-family:var(--ff-d);font-size:clamp(20px,2.2vw,26px);letter-spacing:.06em;margin:64px 0 22px;color:var(--petrolio)}
.section-dark .sub-h{color:var(--oro-l)}
.mini-h{font-family:var(--ff-d);font-size:15px;letter-spacing:.12em;text-transform:uppercase;color:var(--oro);margin:0 0 14px}
.section-paper .mini-h{color:var(--oro-t)}

.btn{
  display:inline-block;padding:13px 26px;border:1px solid var(--oro);font-size:12px;
  letter-spacing:.18em;text-transform:uppercase;text-decoration:none;font-weight:600;
  transition:.25s;border-radius:2px;
}
.btn-gold{background:var(--oro);color:var(--petrolio-3)}
.btn-gold:hover{background:var(--oro-l);border-color:var(--oro-l)}
.btn-ghost{color:var(--calce);border-color:rgba(242,232,213,.45)}
.btn-ghost:hover{border-color:var(--calce);background:rgba(242,232,213,.08)}

/* ---------- topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:22px;
  padding:12px clamp(16px,4vw,46px);background:rgba(4,64,64,.96);
  backdrop-filter:blur(10px);border-bottom:1px solid rgba(199,154,62,.25);
}
body.light-bar .topbar{background:rgba(239,230,212,.96);border-bottom-color:rgba(36,26,18,.14)}
body.light-bar .brand-txt b,body.light-bar .brand-txt i{color:var(--petrolio)}
body.light-bar .brand-mark{color:var(--petrolio)}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--calce);flex:0 0 auto}
.brand-mark{color:var(--oro)}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-family:var(--ff-t);font-size:18px;font-weight:600;color:var(--calce)}
.brand-txt i{font-style:normal;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:rgba(242,232,213,.75)}
.nav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.nav a{
  color:rgba(242,232,213,.78);text-decoration:none;font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;padding:7px 10px;border-radius:2px;
  transition:background-color .2s;white-space:nowrap;
}
body.light-bar .nav a{color:var(--ink-2)}
.nav a:hover{color:var(--oro-l)}
body.light-bar .nav a:hover{color:var(--laterizio)}
.nav a.is-active{color:var(--oro-l);background:rgba(199,154,62,.14)}
body.light-bar .nav a.is-active{color:var(--laterizio);background:rgba(164,85,60,.1)}
.nav-toggle{
  display:none;background:none;border:1px solid rgba(242,232,213,.3);color:var(--calce);
  font-size:16px;padding:5px 10px;border-radius:2px;cursor:pointer;margin-left:auto;
}
body.light-bar .nav-toggle{color:var(--petrolio);border-color:rgba(36,26,18,.25)}

/* ---------- hero ---------- */
.hero{min-height:100vh;display:flex;align-items:flex-end;padding:0;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.hero-tint{position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,64,64,.72) 0%,rgba(4,64,64,.52) 40%,rgba(4,64,64,.93) 100%)}
.hero-inner{position:relative;z-index:2;width:min(var(--wrap),92vw);margin:0 auto;padding:0 0 clamp(50px,8vh,96px);color:var(--calce)}
.hero-title{font-family:var(--ff-t);font-size:clamp(50px,10vw,116px);line-height:.92;letter-spacing:-.015em;margin:0 0 24px}
.hero-title em{font-style:italic;color:var(--oro-l)}
.hero-sub{font-family:var(--ff-t);font-size:clamp(17px,2vw,21px);line-height:1.6;max-width:64ch;color:rgba(242,232,213,.88);margin:0 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-scroll{margin:44px 0 0;font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:rgba(242,232,213,.55);display:flex;align-items:center;gap:12px}
.hero-scroll span{display:block;width:1px;height:38px;background:linear-gradient(var(--oro),transparent)}
.hero-credit{margin:14px 0 0;font-size:10.5px;letter-spacing:.08em;color:rgba(242,232,213,.45)}

/* ---------- griglie ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:44px 0}
.card-mini{
  border:1px solid var(--line-d);border-radius:3px;padding:26px 24px;
  background:rgba(255,255,255,.28);position:relative;transition:.28s;
}
.section-dark .card-mini{border-color:rgba(242,232,213,.16);background:rgba(242,232,213,.045)}
.card-mini:hover{border-color:var(--oro);transform:translateY(-3px)}
.mini-kicker{display:block;font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--oro);margin-bottom:10px;font-weight:600}
.card-mini h3{font-family:var(--ff-t);font-size:23px;margin:0 0 10px;color:var(--petrolio)}
.section-dark .card-mini h3{color:var(--calce)}
.card-mini p{margin:0;font-size:14.5px;line-height:1.62;color:var(--ink-2)}
.section-dark .card-mini p{color:rgba(242,232,213,.76)}
.card-mini cite,.fact-block cite{display:block;margin-top:14px;font-size:11px;font-style:normal;letter-spacing:.06em;color:var(--laterizio-t)}
.section-dark .card-mini cite,.section-dark .fact-block cite{color:var(--oro-l)}
.section-paper .fact-block cite{color:var(--laterizio-t)}

.split-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,54px);align-items:start;margin:40px 0}
.stack{display:grid;gap:22px}
.figure-col{display:grid;gap:22px}

.figure{margin:0}
.figure img{width:100%;border-radius:3px;border:1px solid var(--line-d);background:#fff}
.section-dark .figure img{border-color:rgba(242,232,213,.16)}
.figure figcaption{
  margin-top:12px;font-size:13px;line-height:1.6;color:var(--ink-2);
  padding-left:14px;border-left:2px solid rgba(199,154,62,.5);
}
.section-dark .figure figcaption{color:rgba(242,232,213,.72);border-left-color:rgba(199,154,62,.6)}
.figure-tall img{max-height:760px;object-fit:contain;margin:0 auto}

/* ---------- metodo ---------- */
.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,54px);margin-top:50px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.check-list li{padding-left:26px;position:relative;font-size:15px;color:var(--ink-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border:1px solid var(--oro);
  border-radius:50%;
}
.check-list a{color:var(--petrolio);text-decoration:none;border-bottom:1px solid rgba(36,26,18,.2);transition:.2s}
.check-list a:hover{color:var(--laterizio);border-color:var(--laterizio)}
.check-list a.is-active{color:var(--laterizio);border-color:var(--laterizio);font-weight:500}
.check-list.tight li{font-size:14px;padding-left:22px}
/* le stesse liste, dentro una sezione scura: il testo va in calce, non in marrone */
.section-dark .check-list li{color:rgba(242,232,213,.82)}
.section-dark .check-list li::before{border-color:rgba(199,154,62,.75)}
.section-dark .check-list a{color:var(--oro-l);border-bottom-color:rgba(199,154,62,.45)}
.section-dark .check-list a:hover{color:var(--calce);border-color:var(--calce)}
.section-dark .check-list a.is-active{color:var(--calce);border-color:var(--calce)}
.section-dark .quest-list li{color:rgba(242,232,213,.8);border-left-color:rgba(199,154,62,.5)}
.section-dark .quest-list b{color:var(--oro-l)}
.quest-list{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.quest-list li{font-size:14.5px;line-height:1.62;color:var(--ink-2);padding-left:20px;border-left:2px solid rgba(164,85,60,.35)}
.quest-list b{color:var(--petrolio);font-family:var(--ff-t);font-size:17px}

/* ---------- scheda ---------- */
.data-table{border-top:1px solid var(--line-d)}
.scheda-row{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:14px 0;border-bottom:1px solid var(--line-d)}
.scheda-k{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--oro);padding-top:4px}
.scheda-v{font-size:15px;line-height:1.6;color:var(--ink-2)}
.section-dark .data-table{border-color:rgba(242,232,213,.16)}
.section-dark .scheda-row{border-color:rgba(242,232,213,.16)}
.section-dark .scheda-v{color:rgba(242,232,213,.78)}

/* ---------- elevazione ---------- */
.elev-section{padding-bottom:40px}
.elev-layout{
  width:min(var(--wrap),92vw);margin:36px auto 0;
  display:grid;grid-template-columns:minmax(300px,.95fr) 1.05fr;
  gap:clamp(24px,4vw,56px);align-items:start;
}
.elev-track{display:grid;gap:26px;position:relative}
.elev-step{transition:.3s;border-left:2px solid rgba(36,26,18,.16);padding-left:20px}
.elev-step.is-on{opacity:1;border-left-color:var(--oro)}
.elev-step.is-clickable{cursor:pointer;position:relative}
.elev-step.is-clickable:hover{border-left-color:var(--oro);background:rgba(199,154,62,.07)}
.elev-step.is-clickable:hover::after{
  content:"apri la scheda";position:absolute;right:0;top:4px;font-size:9.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--laterizio);opacity:0;transition:.25s;
}
.elev-step.is-clickable:hover::after{opacity:1}
.elev-num{font-family:var(--ff-d);font-size:12px;letter-spacing:.24em;color:var(--oro)}
.elev-step h3{font-family:var(--ff-t);font-size:26px;margin:4px 0 8px;color:var(--petrolio)}
.elev-step p{margin:0;font-size:14.5px;line-height:1.62;color:var(--ink-2)}
.elev-stage{position:sticky;top:92px}
.elev-frame{box-shadow:inset 0 0 60px rgba(0,0,0,.45)}
.elev-frame{
  position:relative;height:min(70vh,600px);overflow:hidden;border-radius:3px;
  background:#04211F;border:1px solid var(--line-d);cursor:grab;
}
.elev-frame.is-drag{cursor:grabbing}
.elev-canvas{position:absolute;top:0;left:0;transform-origin:top left;will-change:transform}
.elev-canvas img{width:100%;height:auto;display:block}
.elev-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:0;transition:opacity .4s}
.elev-overlay.on{opacity:1}
.elev-overlay .arch{fill:rgba(199,154,62,.18);stroke:var(--oro);stroke-width:6}
.elev-overlay .band{fill:rgba(4,64,64,.10);stroke:var(--petrolio-2);stroke-width:3}
.elev-overlay .band.hot{fill:rgba(164,85,60,.26);stroke:var(--laterizio-d);stroke-width:4}
.elev-overlay text{font-family:var(--ff-t);font-size:34px;fill:#2a1c10;letter-spacing:2px}
.elev-overlay text.light{fill:#f2e6cf}
.elev-scale{
  position:absolute;left:var(--scale-x,18px);bottom:16px;display:flex;align-items:center;gap:8px;
  font-size:10px;letter-spacing:.16em;color:rgba(242,232,213,.8);
}
.elev-scale::before{content:"";width:var(--scale-px,64px);height:1px;background:var(--oro);transition:width .2s}
.pin{
  position:absolute;transform:translate(-50%,-50%);width:26px;height:26px;border-radius:50%;
  background:rgba(199,154,62,.92);border:1px solid rgba(255,255,255,.5);cursor:pointer;
  display:grid;place-items:center;font-size:11px;font-weight:700;color:var(--petrolio-3);
  box-shadow:0 3px 12px rgba(0,0,0,.4);transition:.22s;padding:0;
}
.pin:hover{transform:translate(-50%,-50%) scale(1.18)}
.pin i{font-style:normal}
.pin span{
  position:absolute;left:50%;bottom:calc(100% + 9px);transform:translateX(-50%);
  background:var(--petrolio-3);color:var(--calce);font-size:11px;letter-spacing:.05em;
  padding:5px 10px;border-radius:2px;white-space:nowrap;opacity:0;pointer-events:none;transition:.22s;
}
.pin:hover span,.pin.is-on span{opacity:1}
.elev-legend{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.chip{
  font-family:var(--ff-b);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  background:transparent;border:1px solid rgba(36,26,18,.28);color:var(--ink-2);
  padding:7px 13px;border-radius:2px;cursor:pointer;transition:.2s;font-weight:600;
}
.chip:hover{background:rgba(35,26,18,.08)}
.chip.is-on{background:var(--laterizio-d);border-color:var(--laterizio-d);color:var(--paper)}
.section-dark .chip{border-color:rgba(242,232,213,.3);color:rgba(242,232,213,.8)}
.section-dark .chip.is-on{background:var(--oro);border-color:var(--oro);color:var(--petrolio-3)}
.elev-legend-hint{font-size:12.5px;color:var(--ink-2);margin:10px 0 0;min-height:1.4em}

/* ---------- scheda annotazione ---------- */
.sheet{
  position:fixed;right:22px;bottom:22px;z-index:70;width:min(400px,88vw);
  background:var(--calce);color:var(--ink);border:1px solid rgba(36,26,18,.2);
  border-radius:3px;padding:24px 24px 22px;box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.sheet-close{position:absolute;top:8px;right:12px;background:none;border:0;font-size:24px;color:var(--ink-2);cursor:pointer;line-height:1}
.card-kicker{font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--laterizio);margin:0 0 6px}
.sheet h4{font-family:var(--ff-t);font-size:24px;margin:0 0 10px}
.sheet p{font-size:14px;line-height:1.62;margin:0 0 10px;color:var(--ink-2)}
.sheet-note{font-size:12.5px!important;border-top:1px solid var(--line-d);padding-top:10px;color:var(--ink-2)!important}

/* ---------- lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:80;background:rgba(2,22,22,.94);
  display:grid;place-items:center;padding:4vh 4vw;
}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;max-width:min(1100px,92vw);text-align:center}
.lightbox img{max-height:78vh;width:auto;margin:0 auto;border-radius:2px}
.lightbox figcaption{margin-top:16px;font-family:var(--ff-t);font-size:17px;color:var(--calce)}
.lb-credit{display:block;margin-top:6px;font-family:var(--ff-b);font-size:11.5px;letter-spacing:.05em;color:rgba(242,232,213,.6)}
.lb-x{position:fixed;top:18px;right:24px;background:none;border:0;color:var(--calce);font-size:34px;cursor:pointer;line-height:1}

/* ---------- gallerie ---------- */
.gallery{display:grid;gap:16px;margin:22px 0}
.gallery.cols-3{grid-template-columns:repeat(3,1fr)}
.gallery.cols-4{grid-template-columns:repeat(4,1fr)}
.g-item{margin:0;cursor:zoom-in;position:relative}
.g-item img{width:100%;height:190px;object-fit:cover;border-radius:2px;border:1px solid var(--line-d);transition:.3s}
.gallery.cols-4 .g-item img{height:160px}
.section-dark .g-item img{border-color:rgba(242,232,213,.14)}
.g-item:hover img{transform:scale(1.025);filter:brightness(1.06)}
.g-item figcaption{margin-top:9px;font-size:12px;line-height:1.45;color:var(--ink-2)}
.g-item figcaption b{display:block;font-weight:500}
.g-item figcaption span{display:block;margin-top:3px;font-size:10.5px;color:var(--laterizio);letter-spacing:.02em}
.section-dark .g-item figcaption{color:rgba(242,232,213,.8)}
.section-dark .g-item figcaption span{color:var(--oro-l)}
.gal-hint{font-size:12.5px;color:var(--ink-2);margin:10px 0 0}
.section-dark .gal-hint{color:rgba(242,232,213,.72)}

/* ---------- affreschi ---------- */
.fresco-wall{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,50px);align-items:start;margin:40px 0}
.fresco-episodes{display:grid;gap:10px}
.ep{border:1px solid var(--line-d);border-radius:3px;background:rgba(255,255,255,.3);overflow:hidden}
.ep-head{
  width:100%;display:flex;align-items:center;gap:14px;background:none;border:0;
  padding:16px 18px;text-align:left;cursor:pointer;font-family:var(--ff-t);
  font-size:19px;color:var(--petrolio);transition:.2s;
}
.ep-head:hover{background:rgba(164,85,60,.07)}
.ep-n{
  font-family:var(--ff-d);font-size:12px;letter-spacing:.16em;color:var(--oro);
  border:1px solid rgba(199,154,62,.5);border-radius:50%;width:34px;height:34px;
  display:grid;place-items:center;flex:0 0 auto;
}
.ep-body{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:0 18px 20px}
.ep-body[hidden]{display:none}
.ep-fig img{width:100%;border-radius:2px;border:1px solid var(--line-d);background:#fff}
.ep-fig span{display:block;margin-top:7px;font-size:10px;color:var(--laterizio);line-height:1.4}
.ep-quote{margin:0;font-family:var(--ff-t);font-size:15.5px;line-height:1.6;color:var(--ink)}
.ep-src{margin:6px 0 14px;font-size:10.5px;letter-spacing:.06em;color:var(--laterizio)}
.ep-alt{margin:0;font-size:13px;line-height:1.55;color:var(--ink-2);border-left:2px solid rgba(199,154,62,.4);padding-left:12px}
.ep-alt-src{margin:4px 0 12px;font-size:10px;letter-spacing:.1em;color:var(--oro);text-transform:uppercase}
.ep-nas{margin:0;font-size:12px;font-style:italic;color:var(--ink-2)}
.ep-nas span{font-style:normal;font-size:10px;letter-spacing:.08em;color:var(--laterizio);margin-left:6px}

/* ---------- citazioni ---------- */
.quote{
  margin:36px 0;padding:26px 30px;border-left:3px solid var(--oro);
  background:rgba(255,255,255,.34);border-radius:0 3px 3px 0;
}
.section-dark .quote{background:rgba(242,232,213,.05)}
.quote p{margin:0;font-family:var(--ff-t);font-size:clamp(17px,1.9vw,21px);line-height:1.55;color:var(--ink)}
.section-dark .quote p{color:rgba(242,232,213,.9)}
.quote cite{display:block;margin-top:14px;font-family:var(--ff-b);font-style:normal;font-size:11.5px;letter-spacing:.06em;color:var(--laterizio)}
.section-dark .quote cite{color:var(--oro-l)}
.quote-dim{padding:18px 24px}
.quote-dim p{font-size:16px}
.quote-big p{font-size:clamp(18px,2.1vw,24px);font-style:italic}
.fact-block{border-left:2px solid rgba(199,154,62,.5);padding-left:18px}
.fact-block h3{font-family:var(--ff-t);font-size:21px;margin:0 0 8px;color:var(--petrolio)}
.section-dark .fact-block h3{color:var(--calce)}
.fact-block p{margin:0;font-size:14.5px;line-height:1.62;color:var(--ink-2)}
.section-dark .fact-block p{color:rgba(242,232,213,.78)}

/* ---------- archivi ---------- */
.archive-list{display:grid;gap:2px;margin-top:34px}
.arch-item{display:grid;grid-template-columns:130px 1fr;gap:26px;padding:22px 0;border-bottom:1px solid rgba(242,232,213,.14)}
.arch-y{font-family:var(--ff-d);font-size:20px;color:var(--oro);letter-spacing:.06em}
.arch-body h3{font-family:var(--ff-t);font-size:22px;margin:0 0 8px}
.arch-body p{margin:0 0 8px;font-size:14.5px;line-height:1.62;color:rgba(242,232,213,.78)}
.lat{
  margin:12px 0 8px;padding:12px 16px;border-left:2px solid rgba(199,154,62,.45);
  background:rgba(242,232,213,.05);font-family:var(--ff-t);font-style:italic;
  font-size:15px;color:rgba(242,232,213,.85);
}
.arch-src{font-size:10.5px!important;letter-spacing:.1em;color:var(--oro-l)!important;text-transform:uppercase}
/* nota di fonte su fondo chiaro */
.src-note{margin:14px 0 0;font-size:12px;line-height:1.6;color:var(--laterizio-t);letter-spacing:.02em}

/* ---------- cronologia ---------- */
.timeline{position:relative;padding-left:26px;margin-top:30px}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:1px;background:var(--line-d)}
.tl-item{position:relative;padding:18px 0 26px;max-width:900px}
.tl-dot{position:absolute;left:-26px;top:26px;width:11px;height:11px;border-radius:50%;background:var(--oro);box-shadow:0 0 0 4px rgba(199,154,62,.18)}
.tl-yr{font-family:var(--ff-d);font-size:13px;letter-spacing:.16em;color:var(--laterizio);margin:0 0 4px}
.tl-h{font-family:var(--ff-t);font-size:23px;margin:0 0 8px;color:var(--petrolio)}
.tl-p{margin:0;font-size:15px;line-height:1.62;color:var(--ink-2)}
.tl-src{margin:8px 0 0;font-size:10.5px;letter-spacing:.08em;color:var(--oro);text-transform:uppercase}

/* ---------- confronto prima/dopo (statico) ---------- */
.compare-solo{
  margin:30px 0 0;position:relative;border:1px solid rgba(242,232,213,.16);
  border-radius:3px;overflow:hidden;
}
.compare-solo img{width:100%;height:min(52vh,470px);object-fit:cover}
.compare-solo figcaption{
  position:absolute;bottom:12px;left:12px;padding:6px 14px;background:rgba(2,43,43,.85);
  color:var(--calce);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  border:1px solid rgba(242,232,213,.2);border-radius:2px;
}

/* ---------- stratigrafia e materiali ---------- */
.strat{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,54px);margin:44px 0;align-items:start}
.strat-info h3{font-family:var(--ff-t);font-size:24px;margin:0 0 8px}
.strat-info p{font-size:13px;color:var(--ink-2);margin:0 0 18px}
.section-dark .strat-info p{color:rgba(242,232,213,.72)}
.strat-read{min-height:130px;border-left:2px solid var(--oro);padding-left:18px}
.strat-read h4{font-family:var(--ff-t);font-size:21px;margin:0 0 8px;color:var(--calce)}
.strat-read p{margin:0;font-size:14.5px;line-height:1.62;color:rgba(242,232,213,.78)}
.strat-list{list-style:none;padding:0;margin:0;display:grid;gap:2px}
.strat-list li{
  padding:15px 16px;border:1px solid rgba(242,232,213,.14);font-size:14.5px;
  cursor:pointer;transition:.22s;color:rgba(242,232,213,.8);
}
.strat-list li b{font-family:var(--ff-d);color:var(--oro);margin-right:10px;font-size:12px}
.strat-list li:hover{border-color:rgba(199,154,62,.55);color:var(--calce)}
.strat-list li.is-on{background:rgba(199,154,62,.14);border-color:var(--oro);color:var(--calce)}
.mat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:20px}
.mat{border:1px solid rgba(242,232,213,.16);border-radius:3px;overflow:hidden;background:rgba(242,232,213,.04)}
.mat img{width:100%;height:150px;object-fit:cover}
.mat>div{padding:16px 16px 18px}
.mat h4{font-family:var(--ff-t);font-size:19px;margin:0 0 6px;color:var(--calce)}
.mat p{margin:0;font-size:13px;line-height:1.55;color:rgba(242,232,213,.72)}
.mat-src{margin-top:8px!important;font-size:10px!important;letter-spacing:.08em;text-transform:uppercase;color:var(--oro-l)!important}

/* la seconda colonna è distinguibile a colpo d'occhio */
.mini-h-alt{color:#E0A184}
.section-dark #fonts-no li::before{border-color:rgba(224,161,132,.8);border-radius:2px}
.section-dark #fonts-no li{color:rgba(242,232,213,.82)}

/* ---------- testo sui fondi chiari: oro e laterizio scuri ---------- */
.section-paper .eyebrow{color:var(--oro-t)}
.section-paper .mini-kicker{color:var(--oro-t)}
.section-paper .scheda-k{color:var(--oro-t)}
.section-paper .elev-num{color:var(--oro-t)}
.section-paper .tl-yr{color:var(--laterizio-t)}
.section-paper .tl-src{color:var(--oro-t)}
.section-paper .ep-n{color:var(--oro-t)}
.section-paper .ep-src{color:var(--laterizio-t)}
.section-paper .ep-alt-src{color:var(--oro-t)}
.section-paper .ep-nas span{color:var(--laterizio-t)}
.section-paper .ep-fig span{color:var(--laterizio-t)}
.section-paper .g-item figcaption span{color:var(--laterizio-t)}
.section-paper .card-mini cite{color:var(--laterizio-t)}
.section-paper .figure figcaption{border-left-color:rgba(142,69,47,.55)}
.section-paper .btn-gold{color:var(--petrolio-3)}

/* ---------- bibliografia ---------- */
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0 22px}
.bib-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.bib-item{border:1px solid rgba(242,232,213,.16);border-radius:3px;padding:22px 22px 20px;background:rgba(242,232,213,.04);transition:.25s}
.bib-item:hover{border-color:rgba(199,154,62,.5)}
.bib-w{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--oro);margin-bottom:8px}
.bib-item h3{font-family:var(--ff-t);font-size:20px;margin:0 0 8px;line-height:1.3}
.bib-item p{margin:0 0 14px;font-size:13.5px;line-height:1.58;color:rgba(242,232,213,.72)}
.bib-link{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--oro-l);text-decoration:none;border-bottom:1px solid rgba(199,154,62,.4);transition:.2s}
.bib-link:hover{color:var(--calce);border-color:var(--calce)}
.credits-list{display:grid;gap:1px;margin-top:10px}
.credit-row{display:grid;grid-template-columns:260px 1fr;gap:20px;padding:12px 0;border-bottom:1px solid rgba(242,232,213,.12)}
.credit-w{font-size:12.5px;color:var(--oro)}
.credit-t{font-size:13px;color:rgba(242,232,213,.72);line-height:1.55}
.disclaimer{margin-top:38px;padding:20px 22px;border:1px solid rgba(242,232,213,.16);font-size:13px;line-height:1.6;color:rgba(242,232,213,.75);border-radius:3px}

/* ---------- footer ---------- */
.footer{background:var(--petrolio-3);color:rgba(242,232,213,.7);padding:44px 0;border-top:1px solid rgba(199,154,62,.2)}
.foot p{margin:0 0 6px;font-size:14px}
.foot-small{font-size:11.5px;letter-spacing:.06em;color:rgba(242,232,213,.7)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .cards-3,.gallery.cols-3,.gallery.cols-4,.mat-grid,.bib-list{grid-template-columns:repeat(2,1fr)}
  .method-grid,.split-2,.fresco-wall,.strat{grid-template-columns:1fr}
  .elev-layout{grid-template-columns:1fr}
  .elev-stage{position:relative;top:0}
  .archive-list .arch-item{grid-template-columns:1fr;gap:8px}
  .credit-row{grid-template-columns:1fr;gap:4px}
}
@media (max-width:760px){
  .nav{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--petrolio-3);
    padding:14px;gap:2px;display:none;border-bottom:1px solid rgba(199,154,62,.3);
  }
  body.light-bar .nav{background:var(--paper-2);border-bottom-color:rgba(36,26,18,.14)}
  .nav.is-open{display:flex}
  .nav-toggle{display:block}
  .cards-3,.gallery.cols-3,.gallery.cols-4,.mat-grid,.bib-list{grid-template-columns:1fr}
  .ep-body{grid-template-columns:1fr}
  .scheda-row{grid-template-columns:1fr;gap:4px}
  .hero-title{font-size:clamp(44px,13vw,72px)}
  .elev-frame{height:58vh}
}