:root{
  --paper:#F2EDE2;--paper-2:#ECE4D1;--ink:#1A1A1A;--sepia:#6A6253;
  --line:rgba(26,26,26,.22);--line-soft:rgba(26,26,26,.12);
  --sage:#7A8B73;--blue:#BCD2DE;--brass:#9C7A3C;
  --serif:'Playfair Display',Georgia,'Times New Roman',serif;
  --sans:Inter,Helvetica,Arial,sans-serif;
  --rail:34px;--max:1180px;--pad:clamp(24px,4.5vw,56px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0;max-width:100%;overflow-x:clip}
body{
  background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  padding-left:var(--rail);
}
body::after{ /* grana carta */
  content:"";position:fixed;inset:0;z-index:4;pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:160px;opacity:.05;mix-blend-mode:multiply;
}
::selection{background:var(--blue);color:var(--ink)}
img,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--max),100%);margin-inline:auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-999px;top:10px;background:var(--ink);color:var(--paper);padding:10px 16px;z-index:40}
.skip:focus{left:calc(var(--rail) + 10px)}
:focus-visible{outline:2px solid var(--brass);outline-offset:4px}
.dia{color:var(--brass);font-size:.62em;vertical-align:.18em;margin-inline:.15em}

/* ------------------------------------------------ meridiano (firma) ----- */
.meridian{
  position:fixed;inset:0 auto 0 0;width:var(--rail);z-index:30;
  border-right:1px solid var(--line);background:var(--paper);
}
.meridian::before{ /* graduazioni */
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(to bottom,var(--line) 0 1px,transparent 1px 64px) right top/16px 100% no-repeat,
    repeating-linear-gradient(to bottom,var(--line-soft) 0 1px,transparent 1px 16px) right top/9px 100% no-repeat;
}
.meridian b{
  position:absolute;left:0;right:0;text-align:center;
  font:800 9px/1 var(--sans);letter-spacing:.22em;color:var(--sepia);
}
.meridian b:first-of-type{top:10px}
.meridian b:last-of-type{bottom:10px}
.meridian i{ /* ago in ottone */
  position:absolute;top:26px;left:50%;width:11px;height:11px;display:none;
  background:var(--brass);transform:translateX(-50%) rotate(45deg);
  box-shadow:0 0 0 2px var(--paper);
}
.voyage{position:fixed;top:0;left:0;right:0;height:3px;z-index:31;display:none;
  background:var(--brass);transform-origin:0 50%;transform:scaleX(0)}
@supports (animation-timeline: scroll()){
  @media (prefers-reduced-motion:no-preference){
    .meridian i{display:block;animation:southward linear both;animation-timeline:scroll(root)}
    @keyframes southward{to{top:calc(100% - 37px)}}
    .voyage{animation:voyage linear both;animation-timeline:scroll(root)}
    @keyframes voyage{to{transform:scaleX(1)}}
  }
}

/* ------------------------------------------------------------ header ---- */
.site-header{
  position:sticky;top:0;z-index:20;
  background:color-mix(in srgb,var(--paper) 96%,transparent);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font:800 12px/1.3 var(--sans);letter-spacing:.34em;text-transform:uppercase;white-space:nowrap}
.brand small{display:block;font-weight:600;font-size:8px;letter-spacing:.4em;color:var(--sepia);margin-top:4px}
.nav-links{display:flex;gap:26px;flex-wrap:wrap}
.nav-links a{font:800 10px/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--sepia);
  padding:6px 0;border-bottom:1px solid transparent}
.nav-links a:hover{color:var(--ink);border-bottom-color:var(--brass)}

/* ---------------------------------------------------------- testo base -- */
.eyebrow{font:800 10.5px/1.4 var(--sans);letter-spacing:.32em;text-transform:uppercase;color:var(--sepia);margin:0}
.kicker{display:flex;align-items:center;gap:16px}
.kicker::after{content:"";height:1px;flex:1;max-width:170px;background:var(--line)}
h1,h2{text-wrap:balance}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:50px;padding:14px 26px;border:1.4px solid var(--ink);
  font:800 11px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;
  background:transparent;transition:transform .16s ease,background .16s ease,color .16s ease;
}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn:hover{transform:translateY(-1px)}
.btn.primary:hover{background:transparent;color:var(--ink)}
.btn.muted{border-color:var(--line);color:var(--sepia)}

/* -------------------------------------------------- cornice da tavola --- */
.plate-frame{position:relative;background:var(--paper);border:1px solid var(--ink);padding:15px}
.plate-frame::before{content:"";position:absolute;inset:7px;border:1px solid var(--line);pointer-events:none}
.plate-frame::after{ /* tacche di graduazione della cornice */
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
  background:
    repeating-linear-gradient(90deg,var(--ink) 0 1px,transparent 1px 18px) left top/100% 6px,
    repeating-linear-gradient(90deg,var(--ink) 0 1px,transparent 1px 18px) left bottom/100% 6px,
    repeating-linear-gradient(0deg,var(--ink) 0 1px,transparent 1px 18px) left top/6px 100%,
    repeating-linear-gradient(0deg,var(--ink) 0 1px,transparent 1px 18px) right top/6px 100%;
  background-repeat:no-repeat;
}
.plate-frame img,.plate-frame video{border:1px solid var(--ink);width:100%;background:var(--paper-2)}
.fig video{aspect-ratio:4/5;object-fit:cover;height:auto}
.folio{
  display:flex;justify-content:space-between;gap:14px;margin-top:13px;
  font:800 10px/1.5 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--sepia);
}
.folio b{color:var(--ink)}

/* ------------------------------------------------------- frontespizio --- */
.hero{padding-block:clamp(48px,8vw,100px) clamp(44px,7vw,84px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,440px);
  gap:clamp(34px,6vw,80px);align-items:center}
.hero h1{
  font-family:var(--serif);font-weight:700;font-style:italic;
  font-size:clamp(54px,8.6vw,116px);line-height:.96;letter-spacing:.005em;margin:22px 0 0;
}
.hero h1 .rm{font-style:normal;letter-spacing:.02em}
.lead{font-size:clamp(17px,1.9vw,20px);line-height:1.7;color:#43403A;margin:26px 0 0;max-width:600px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.edition{
  margin-top:30px;padding:14px 0 0;border-top:1px solid var(--line);max-width:560px;
  font-size:13.5px;color:var(--sepia);display:flex;gap:14px;align-items:flex-start;
}
.edition .compass{flex:none;color:var(--ink)}

/* ----------------------------------------------------------- ticker ----- */
.ticker{overflow:hidden;border-block:1px solid var(--line);background:var(--paper-2);padding:13px 0}
.ticker-track{display:flex;gap:0;width:max-content;animation:tick 46s linear infinite}
.ticker span{font:800 10.5px/1 var(--sans);letter-spacing:.3em;text-transform:uppercase;
  color:var(--sepia);white-space:nowrap;padding-right:34px}
.ticker .dia{margin-right:34px}
@keyframes tick{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ticker-track{animation:none;flex-wrap:wrap;white-space:normal}}

/* ----------------------------------------------------------- sezioni ---- */
.section{padding-block:clamp(58px,8vw,100px);border-top:1px solid var(--line);scroll-margin-top:92px}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,400px);
  gap:30px;align-items:end;margin-bottom:clamp(34px,5vw,52px)}
.section-head h2{font-family:var(--serif);font-weight:700;
  font-size:clamp(34px,4.8vw,56px);line-height:1.05;letter-spacing:.02em;margin:12px 0 0}
.section-head p{color:#514C44;margin:0;font-size:15.5px}

/* --------------------------------------------------- griglia tavole ----- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:44px 30px}
.card a{display:block;position:relative}
.card .plate{width:100%;aspect-ratio:2/3;object-fit:cover;border:1.4px solid var(--ink);
  background:var(--paper-2);transition:transform .22s ease,box-shadow .22s ease}
.card a::after{ /* crocini di registro all'hover */
  content:"";position:absolute;inset:-9px;pointer-events:none;opacity:0;transition:opacity .2s ease;
  background:
    linear-gradient(var(--brass),var(--brass)) left 0 top 0/15px 1.5px,
    linear-gradient(var(--brass),var(--brass)) left 0 top 0/1.5px 15px,
    linear-gradient(var(--brass),var(--brass)) right 0 top 0/15px 1.5px,
    linear-gradient(var(--brass),var(--brass)) right 0 top 0/1.5px 15px,
    linear-gradient(var(--brass),var(--brass)) left 0 bottom 0/15px 1.5px,
    linear-gradient(var(--brass),var(--brass)) left 0 bottom 0/1.5px 15px,
    linear-gradient(var(--brass),var(--brass)) right 0 bottom 0/15px 1.5px,
    linear-gradient(var(--brass),var(--brass)) right 0 bottom 0/1.5px 15px;
  background-repeat:no-repeat;
}
.card a:hover .plate{transform:translateY(-4px);box-shadow:0 20px 44px rgba(26,26,26,.14)}
.card a:hover::after{opacity:1}
.card figcaption{text-align:center;margin-top:15px}
.card .no{font:800 10px/1.4 var(--sans);letter-spacing:.3em;text-transform:uppercase;color:var(--sepia)}
.card .name{font-family:var(--serif);font-size:23px;font-weight:700;letter-spacing:.05em;margin-top:5px}
.card .coords{font-size:11px;letter-spacing:.12em;color:var(--sepia);margin-top:5px;font-variant-numeric:tabular-nums}
@supports (animation-timeline: view()){
  @media (prefers-reduced-motion:no-preference){
    .card{animation:surface .6s ease both;animation-timeline:view();animation-range:entry 0% entry 38%}
    @keyframes surface{from{opacity:0;transform:translateY(26px)}}
  }
}

/* --------------------------------------------- indice delle tavole ------ */
.plate-index{list-style:none;margin:0;padding:0;columns:2;column-gap:70px}
.plate-index li{break-inside:avoid}
.plate-index a{display:flex;align-items:baseline;gap:12px;padding:11px 2px;border-bottom:1px solid var(--line-soft)}
.plate-index .city{font-family:var(--serif);font-weight:700;font-size:21px;letter-spacing:.04em}
.plate-index .dots{flex:1;border-bottom:2px dotted var(--line);transform:translateY(-5px);min-width:30px}
.plate-index .no{font:800 11px/1 var(--sans);letter-spacing:.2em;color:var(--sepia);font-variant-numeric:tabular-nums;white-space:nowrap}
.plate-index a:hover .city{color:var(--brass)}
.plate-index a:hover .no{color:var(--ink)}

/* ----------------------------------------------------------- processo --- */
.method{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line)}
.method article{padding:30px 28px 34px;border-left:1px solid var(--line)}
.method article:first-child{border-left:0}
.method .rn{font-family:var(--serif);font-style:italic;font-weight:700;font-size:44px;color:var(--brass);line-height:1}
.method h3{font-family:var(--serif);font-size:25px;line-height:1.15;letter-spacing:.02em;margin:14px 0 10px}
.method p{margin:0;color:#514C44;font-size:14.5px}

/* ----------------------------------------------------------- epigrafe --- */
.quote{font-family:var(--serif);font-style:italic;font-weight:700;
  font-size:clamp(28px,4.4vw,50px);line-height:1.2;text-align:center;max-width:880px;margin:0 auto}
.quote small{display:block;font:800 10.5px/1 var(--sans);font-style:normal;
  letter-spacing:.3em;text-transform:uppercase;color:var(--sepia);margin-top:26px}

/* -------------------------------------------------------- pagina citta -- */
.breadcrumb{font:800 10.5px/1.6 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--sepia);margin:0 0 26px}
.breadcrumb a:hover{color:var(--brass)}
.city-hero{padding-block:clamp(44px,7vw,82px)}
.city-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,520px);
  gap:clamp(32px,6vw,72px);align-items:start}
.city-grid h1{font-family:var(--serif);font-weight:700;
  font-size:clamp(56px,8.8vw,116px);line-height:.95;letter-spacing:.02em;margin:16px 0 0}
.meta-line{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:var(--sepia);
  font:800 11.5px/1.6 var(--sans);letter-spacing:.18em;text-transform:uppercase;font-variant-numeric:tabular-nums}
.story{font-size:17.5px;line-height:1.8;color:#43403A;margin:28px 0 0;max-width:640px}
.story::first-letter{
  font-family:var(--serif);font-weight:700;float:left;
  font-size:3.6em;line-height:.82;padding:6px 12px 0 0;color:var(--ink);
}
@supports (initial-letter:3){
  .story::first-letter{float:none;font-size:inherit;padding:0 .12em 0 0;initial-letter:3;-webkit-initial-letter:3}
}
.record{border:1px solid var(--line);background:var(--paper-2);padding:26px;margin-top:34px;max-width:640px}
.record h2{font:800 10.5px/1 var(--sans);letter-spacing:.3em;text-transform:uppercase;color:var(--sepia);margin:0 0 18px}
.record dl{display:grid;grid-template-columns:128px 1fr;gap:11px 20px;margin:0}
.record dt{font:800 10.5px/1.7 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--sepia)}
.record dd{font-size:14px;margin:0}
.record .note{font-size:12.5px;color:var(--sepia);margin:18px 0 0}

/* ----------------------------------------------------------- galleria --- */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(26px,4vw,44px)}
.fig{margin:0}
.fig figcaption{margin-top:12px;font:800 10.5px/1.6 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--sepia)}
.fig figcaption .rn{font-family:var(--serif);font-style:italic;font-weight:700;
  font-size:17px;letter-spacing:0;text-transform:none;color:var(--brass);margin-right:9px}
.zoomable{cursor:zoom-in}

/* ------------------------------------------------------ sfoglia tavole -- */
.leaf{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;
  border:1px solid var(--line);margin-top:clamp(40px,6vw,64px)}
.leaf a{padding:22px 24px;display:block}
.leaf a:hover .name{color:var(--brass)}
.leaf .dir{display:block;font:800 9.5px/1.6 var(--sans);letter-spacing:.28em;text-transform:uppercase;color:var(--sepia)}
.leaf .name{display:block;font-family:var(--serif);font-weight:700;font-size:21px;letter-spacing:.03em;margin-top:4px}
.leaf .next{text-align:right;border-left:1px solid var(--line)}
.leaf .home{padding:22px 18px;border-left:1px solid var(--line);color:var(--sepia)}
.leaf .home:hover{color:var(--brass)}

/* ----------------------------------------------------------- lightbox --- */
.lightbox{border:1px solid var(--ink);padding:14px;background:var(--paper);max-width:min(92vw,860px)}
.lightbox::backdrop{background:rgba(26,26,26,.62);backdrop-filter:blur(3px)}
.lightbox img{border:1px solid var(--ink);max-height:82vh;width:auto;max-width:100%;margin:auto}
.lb-x{position:absolute;top:8px;right:8px;width:38px;height:38px;border:1px solid var(--ink);
  background:var(--paper);font:400 19px/1 var(--sans);cursor:pointer}
.lb-x:hover{background:var(--ink);color:var(--paper)}

/* ------------------------------------------------------------- footer --- */
.footer{border-top:1px solid var(--line);padding:44px 0 64px;text-align:center}
.footer .compass{margin:0 auto 18px;color:var(--ink)}
.footer p{font-size:12.5px;letter-spacing:.08em;color:var(--sepia);margin:5px 0}
.footer .colophon{font-size:11px;letter-spacing:.14em;text-transform:uppercase;margin-top:16px}

/* ---------------------------------------------------- view transitions -- */
@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
}
::view-transition-old(root),::view-transition-new(root){animation-duration:.34s}

/* --------------------------------------------------------- responsive --- */
@media(max-width:980px){
  body{padding-left:0}
  .meridian{display:none}
  .voyage{display:block}
  .skip:focus{left:10px}
  .hero-grid,.city-grid,.section-head{grid-template-columns:1fr}
  .hero-art-col{max-width:430px;margin-inline:auto;width:100%}
  .method{grid-template-columns:1fr;border-left:0;border-right:0}
  .method article{border-left:0;border-top:1px solid var(--line)}
  .method article:first-child{border-top:0}
  .plate-index{columns:1}
  .city-grid .plate-frame{max-width:540px;margin-inline:auto}
}
@media(max-width:640px){
  .brand{letter-spacing:.22em;font-size:11px}
  .nav{flex-wrap:wrap;padding-block:14px;min-height:0}
  .nav-links{gap:18px}
  .hero{padding-top:40px}
  .hero-actions{display:grid}
  .btn{width:100%}
  .grid{grid-template-columns:1fr 1fr;gap:32px 18px}
  .gallery{grid-template-columns:1fr}
  .record dl{grid-template-columns:1fr;gap:4px 0}
  .record dt{margin-top:10px}
  .leaf{grid-template-columns:1fr 1fr}
  .leaf .home{display:none}
  .leaf .next{border-left:1px solid var(--line)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn,.card .plate,.card a::after{transition:none}
  .card{animation:none}
}