/* Layout: home a blocchi colorati, un colore per destinazione; ogni pagina viaggio apre con una fascia nel suo colore.
   Titoli bilingui: parola russa sopra quella italiana, come su culturarussa.it */
:root{
  --paper:#FFFFFF; --paper-2:#F4F2EE; --ink:#16181D; --ink-2:#4E525C; --rule:#E2DFD8;
  --red:#C1272D; --gold:#F2C14E; --gold-ink:#1C1A14;
  --f-display:"Prata","Georgia","Times New Roman",serif;
  --f-body:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"PT Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#14161B; --paper-2:#1D2027; --ink:#EEEDE8; --ink-2:#A8ABB4; --rule:#30333C; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#14161B; --paper-2:#1D2027; --ink:#EEEDE8; --ink-2:#A8ABB4; --rule:#30333C; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;margin:0}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--paper)}
a{color:inherit}
a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.07em;text-transform:uppercase}

/* header + striscia dei colori delle destinazioni */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:var(--paper)}
.stripe{display:flex;height:6px}
.stripe span{flex:1}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:10px 20px;padding-block:12px;flex-wrap:wrap;border-bottom:1px solid var(--rule)}
.brand{font-family:var(--f-display);font-size:1.2rem;text-decoration:none}
.brand b{color:var(--red);font-weight:400}
.nav{display:flex;gap:4px 18px;flex-wrap:wrap;font-size:.9rem}
.nav a{text-decoration:none;color:var(--ink-2);padding-block:2px;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink);border-bottom-color:var(--red)}

/* titoli bilingui */
.bi{display:flex;flex-direction:column;margin:0;font-weight:400;text-wrap:balance;line-height:1.1}
.bi .ru{font-family:var(--f-display);font-size:.55em;color:var(--red)}
.bi .it{font-family:var(--f-display)}
.sec{padding-block:64px}
.sec .bi{font-size:clamp(2rem,4.4vw,2.9rem)}
.sec-intro{max-width:62ch;color:var(--ink-2);margin:14px 0 30px}
.alt{background:var(--paper-2)}

/* HOME hero */
.hero{background:var(--red);color:#fff}
.hero .wrap{padding-block:56px 64px;display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:end}
.hero .eyebrow{color:#FCE3A8}
.hero h1{font-size:clamp(2.8rem,8vw,5.4rem);margin:10px 0 0}
.hero h1 .ru{color:var(--gold);font-size:.5em}
.hero p.lede{font-size:1.12rem;max-width:56ch;margin:22px 0 0;color:#FBE9E9}
.hero p.lede b{color:#fff;font-weight:600}
.hero .ext{display:inline-block;margin-top:18px;color:#fff}
.next{background:var(--paper);color:var(--ink);padding:22px;border-top:8px solid var(--acc)}
.next .eyebrow{color:var(--ink-2)}
.next h2{font-family:var(--f-display);font-weight:400;font-size:1.65rem;line-height:1.2;margin:6px 0 2px}
.next .ru{font-family:var(--f-display);color:var(--ink-2)}
.next p{margin:10px 0 16px;font-size:.95rem;color:var(--ink-2)}

.btn{display:inline-block;background:var(--acc,var(--red));color:var(--acc-ink,#fff);text-decoration:none;font-weight:600;padding:11px 18px;font-size:.95rem;border:0}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:inherit;box-shadow:inset 0 0 0 2px currentColor}

/* calendario */
.cal{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.cal li{border-bottom:1px solid var(--rule)}
.cal a{display:grid;grid-template-columns:14px 170px 1fr auto;gap:18px;align-items:center;padding:15px 0;text-decoration:none}
.cal a:hover .t{text-decoration:underline}
.dot{width:14px;height:14px;border-radius:50%;background:var(--c)}
.cal time{font-family:var(--f-mono);font-size:.88rem;font-variant-numeric:tabular-nums;color:var(--ink-2)}
.cal .t{font-family:var(--f-display);font-size:1.25rem}
.cal .w{display:block;font-size:.86rem;color:var(--ink-2)}
.cal .p{font-family:var(--f-mono);font-size:.9rem;white-space:nowrap}
.cal-sub{margin:36px 0 8px;color:var(--ink-2)}
.chip{display:inline-block;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;margin-left:10px;vertical-align:3px;font-weight:400}
.chip.open{background:var(--gold);color:var(--gold-ink)}
.chip.past{background:var(--rule);color:var(--ink-2)}
.cal .past-row{opacity:.62}

/* griglia viaggi */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--c);color:var(--ci);text-decoration:none;padding:22px 22px 20px;display:flex;flex-direction:column;gap:8px;min-height:250px;position:relative;overflow:hidden;transition:transform .2s}
.card:hover{transform:translateY(-3px)}
.card .ru{font-family:var(--f-display);font-size:2rem;line-height:1.05;opacity:.95}
.card h3{font-family:var(--f-display);font-weight:400;font-size:1.3rem;line-height:1.2;margin:4px 0 0}
.card p{margin:0;font-size:.93rem;opacity:.92}
.card .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-family:var(--f-mono);font-size:.85rem;padding-top:14px;border-top:1px solid currentColor}
.card .chip.open{background:var(--paper);color:var(--ink)}
.card .chip.past{background:rgba(0,0,0,.18);color:inherit}
.card .chip{margin:0}
.card .tag{display:flex;justify-content:space-between;align-items:center;gap:8px}
.card .tag .eyebrow{opacity:.9}
@media (prefers-reduced-motion:reduce){.card{transition:none}.card:hover{transform:none}}

/* istituto */
.inst{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;margin-top:26px}
.inst p{max-width:60ch;margin-top:0}
.tl{list-style:none;margin:0;padding:0}
.tl li{display:grid;grid-template-columns:84px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--rule)}
.tl .y{font-family:var(--f-display);font-size:1.5rem;color:var(--red);line-height:1.2}

/* contatti */
.contact{background:var(--ink);color:var(--paper)}
.contact .bi .ru{color:var(--gold)}
.contact .sec-intro{color:inherit;opacity:.8}
.cgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.cgrid h3{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.07em;text-transform:uppercase;font-weight:400;margin:0 0 8px;color:var(--gold)}
.cgrid p,.cgrid ul{margin:0;padding:0;list-style:none}
.cgrid li{margin-bottom:5px}
.sel{user-select:all;font-variant-numeric:tabular-nums;font-weight:500}
.copy{font:inherit;font-family:var(--f-mono);font-size:.72rem;background:none;border:1px solid currentColor;color:inherit;opacity:.8;padding:1px 7px;margin-left:8px;cursor:pointer}

.net{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.net a{display:block;text-decoration:none;padding:12px 14px;border:1px solid var(--rule)}
.net a:hover{border-color:var(--ink)}
.net .ru{display:block;font-family:var(--f-display);color:var(--red)}
.net small{display:block;font-family:var(--f-mono);color:var(--ink-2);font-size:.75rem}

footer{padding-block:26px 40px;font-size:.88rem;color:var(--ink-2);border-top:1px solid var(--rule)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* PAGINA VIAGGIO */
.thero{background:var(--acc);color:var(--acc-ink)}
.thero .wrap{padding-block:30px 72px}
.crumbs{font-size:.9rem;opacity:.9}
.crumbs a{color:inherit}
.thero .ru{font-family:var(--f-display);font-size:clamp(2.6rem,9vw,6rem);line-height:1;display:block;margin-top:34px;opacity:.95;word-break:break-word}
.thero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(1.6rem,3.6vw,2.5rem);line-height:1.15;margin:14px 0 0;max-width:24ch;text-wrap:balance}
.thero .sub{margin-top:14px;font-family:var(--f-mono);font-size:.9rem;opacity:.92}
.thero .chip{margin-left:0;margin-top:16px}
.thero .chip.open{background:var(--paper);color:var(--ink)}
.thero .chip.past{background:rgba(0,0,0,.2);color:inherit}

.facts{background:var(--paper);border:1px solid var(--rule);border-top:6px solid var(--acc);margin-top:-44px;position:relative;display:grid;grid-template-columns:repeat(4,1fr)}
.facts div{padding:18px 20px;border-left:1px solid var(--rule);min-width:0}
.facts div:first-child{border-left:0}
.facts dt{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2)}
.facts dd{margin:4px 0 0;font-variant-numeric:tabular-nums}
.facts .big{font-family:var(--f-display);font-size:1.7rem;line-height:1.15}
.facts .small{font-size:.86rem;color:var(--ink-2)}

.tbody{display:grid;grid-template-columns:1fr 330px;gap:48px;padding-block:48px 64px}
.tbody > div{min-width:0}
.tbody .intro{font-size:1.15rem;max-width:60ch;margin-top:0}
.tbody h2{font-family:var(--f-display);font-weight:400;font-size:1.7rem;margin:36px 0 14px}
.tbody h2 .ru{font-size:.65em;color:var(--ink-2);margin-left:8px}
.days{list-style:none;margin:0;padding:0;position:relative}
.days::before{content:"";position:absolute;left:15px;top:8px;bottom:8px;width:2px;background:var(--acc);opacity:.35}
.days li{display:grid;grid-template-columns:32px 1fr;gap:16px;padding-bottom:20px;position:relative}
.days .n{width:32px;height:32px;border-radius:50%;background:var(--acc);color:var(--acc-ink);display:grid;place-items:center;font-family:var(--f-mono);font-size:.82rem;font-variant-numeric:tabular-nums}
.days .d{font-family:var(--f-mono);font-size:.78rem;color:var(--ink-2)}
.days h3{margin:0;font-size:1.06rem;font-weight:600;line-height:1.35}
.days p{margin:4px 0 0;max-width:64ch;color:var(--ink-2)}
.lists{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.lists ul{margin:0;padding:0;list-style:none}
.lists li{padding:8px 0 8px 26px;border-top:1px solid var(--rule);position:relative}
.lists .yes li::before{content:"✓";position:absolute;left:2px;color:var(--acc-text,var(--ink));font-weight:700}
.lists .no li::before{content:"–";position:absolute;left:4px;color:var(--ink-2)}
.lists h3,.side h3{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2);font-weight:400;margin:0 0 8px}
.flight{font-family:var(--f-mono);font-size:.86rem;background:var(--paper-2);padding:14px 16px;overflow-x:auto;white-space:nowrap;border-left:4px solid var(--acc)}
.flight div+div{margin-top:6px}
.note{color:var(--ink-2);font-size:.95rem}
.side{display:flex;flex-direction:column;gap:20px;align-self:start;position:sticky;top:calc(env(safe-area-inset-top,0px) + 86px)}
.box{background:var(--paper-2);padding:20px}
.box p{margin:0 0 6px}
.box .btn{margin-top:12px}
.box ul{margin:0;padding-left:18px}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding-bottom:56px}
.pn a{background:var(--c);color:var(--ci);text-decoration:none;padding:20px 22px;display:flex;flex-direction:column;gap:2px}
.pn a.r{text-align:right}
.pn .eyebrow{opacity:.85}
.pn strong{font-family:var(--f-display);font-weight:400;font-size:1.3rem}

@media (max-width:900px){
  .hero .wrap,.inst,.tbody{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr 1fr}
  .facts{grid-template-columns:1fr 1fr}
  .facts div:nth-child(3){border-left:0}
  .facts div:nth-child(n+3){border-top:1px solid var(--rule)}
  .side{position:static}
  .net{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:600px){
  .grid,.cgrid,.lists,.pn{grid-template-columns:1fr}
  .cal a{grid-template-columns:14px 1fr auto;gap:4px 12px}
  .cal time{grid-column:2/-1;grid-row:1}
  .cal .dot{grid-row:1/3}
  .net{grid-template-columns:1fr 1fr}
  .sec{padding-block:48px}
  .hero .wrap{padding-block:40px 48px}
  .card{min-height:0}
  .pn a.r{text-align:left}
}

/* foto */
.thero.photo{background:linear-gradient(90deg,var(--acc) 0%,var(--acc) 36%,transparent 80%),var(--img) center/cover no-repeat,var(--acc)}
.thero.photo .wrap{padding-block:30px 96px}
.thero.photo h1,.thero.photo .ru,.thero.photo .sub{text-shadow:0 1px 14px rgba(0,0,0,.25)}
.card .ph{display:block;margin:-22px -22px 8px;aspect-ratio:16/9;overflow:hidden;max-width:none}
.card .ph img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .ph img{transform:scale(1.04)}
@media (prefers-reduced-motion:reduce){.card .ph img{transition:none}.card:hover .ph img{transform:none}}
@media (max-width:700px){
  .thero.photo{background:linear-gradient(to top,var(--acc) 0%,var(--acc) 50%,transparent 85%),var(--img) center top/cover no-repeat,var(--acc)}
  .thero.photo .wrap{padding-top:190px}
}

/* galleria foto: carosello a scorrimento orizzontale; la foto intera sta al centro, i lati sono riempiti dalla stessa foto sfocata */
.carousel{position:relative;--h:clamp(320px,64vh,560px)}
.track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.track:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.slide{flex:0 0 100%;min-width:0;margin:0;scroll-snap-align:start;scroll-snap-stop:always;display:flex;flex-direction:column;gap:8px}
.slide a{display:block;height:var(--h);background:#1A1C21;position:relative;overflow:hidden}
.slide a::before{content:"";position:absolute;inset:-30px;background:var(--bg) center/cover no-repeat;filter:blur(22px) brightness(.6);transform:scale(1.05)}
.slide img{position:relative;display:block;width:100%;height:100%;object-fit:contain}
.slide figcaption{font-size:.88rem;line-height:1.4;color:var(--ink-2);min-height:2.8em;padding-right:130px}
.cnav{position:absolute;top:calc(var(--h) / 2);margin-top:-22px;width:44px;height:44px;padding:0;border-radius:50%;border:0;background:rgba(255,255,255,.92);color:#16181D;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.25);display:flex;align-items:center;justify-content:center;z-index:2}
.cnav svg{display:block}
.cnav:hover{background:#fff}
.cnav.cprev{left:14px}
.cnav.cnext{right:14px}
.cbar{position:absolute;right:0;top:calc(var(--h) + 10px);display:flex;align-items:center;gap:10px}
.count{font-family:var(--f-mono);font-size:.8rem;color:var(--ink-2);font-variant-numeric:tabular-nums}
.dots{display:flex;gap:6px}
.dots button{width:9px;height:9px;padding:0;border-radius:50%;border:0;background:var(--rule);cursor:pointer}
.dots button[aria-current="true"]{background:var(--acc)}
@media (max-width:900px){.carousel{--h:clamp(320px,60vh,520px)}}
@media (max-width:600px){
  .carousel{--h:min(340px,58vh)}
  .cnav{width:38px;height:38px;margin-top:-19px}
  .cnav.cprev{left:8px}.cnav.cnext{right:8px}
  .cbar{position:static;justify-content:space-between;margin-top:4px}
  .slide figcaption{padding-right:0;min-height:0}
}