/* =========================================================
   Portale Valli Chisone e Germanasca — sistema visivo
   Naturalistico e autentico: pietra, legno, verde bosco.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Hanken+Grotesk:wght@400;500;600;700&family=Spline+Sans+Mono:wght@400;500;600&display=swap');

:root{
  /* superfici — carta calda */
  --paper:#f5f3ee;
  --paper-2:#efece4;
  --surface:#fbfaf6;
  --card:#ffffff;

  /* inchiostro */
  --ink:#2a2a26;
  --ink-2:#55534c;
  --ink-3:#86837a;

  /* verdi (bosco) */
  --forest:#2f5233;
  --forest-d:#233d27;
  --sage:#7a8b5a;
  --sage-soft:#e7e9dc;

  /* accenti dal logo */
  --leaf:#9cc04a;   /* crinale verde-lime */
  --water:#2ba4d6;  /* fiume Chisone */
  --clay:#b5703f;   /* legno / terracotta, usato con parsimonia */
  --stone:#d9d3c7;  /* bordi pietra */
  --stone-2:#c8c2b4;

  /* difficolta sentieri */
  --diff-t:#5d8a4a;   /* turistico */
  --diff-e:#c79a3a;   /* escursionistico */
  --diff-ee:#b5552f;  /* per esperti */

  --maxw:1240px;
  --gap:clamp(16px,2.4vw,30px);
  --radius:4px;
  --shadow:0 1px 2px rgba(42,42,38,.06), 0 12px 30px -18px rgba(42,42,38,.28);
  --shadow-lg:0 2px 6px rgba(42,42,38,.08), 0 28px 60px -28px rgba(42,42,38,.40);

  --serif:'Spectral', Georgia, serif;
  --sans:'Hanken Grotesk', system-ui, sans-serif;
  --mono:'Spline Sans Mono', ui-monospace, monospace;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.08;margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 1em;}
::selection{background:var(--sage);color:#fff;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,4vw,46px);}
.wrap-tight{max-width:980px;margin:0 auto;padding:0 clamp(20px,4vw,46px);}

/* labels in mono — voce "topografica" del portale */
.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--sage);
  margin:0 0 14px;
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{
  content:"";width:26px;height:1.5px;background:var(--sage);display:inline-block;
}
.eyebrow.center{justify-content:center;}
.eyebrow.center::after{content:"";width:26px;height:1.5px;background:var(--sage);}

/* ============ HEADER / NAV ============ */
.site-head{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter:saturate(1.2) blur(10px);
  border-bottom:1px solid var(--stone);
}
.site-head.on-hero{
  background:transparent;backdrop-filter:none;
  border-bottom-color:transparent;color:#fff;
}
.on-hero .brand .bt b,.on-hero .nav-links a,.on-hero .brand .bt i{text-shadow:0 1px 10px rgba(10,16,10,.45);}
.nav{display:flex;align-items:center;gap:28px;height:74px;}
.brand{display:flex;align-items:center;gap:13px;margin-right:auto;}
.brand img{height:46px;width:auto;}
.brand .bt{display:flex;flex-direction:column;line-height:1.05;}
.brand .bt b{font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:-.01em;}
.brand .bt i{font-family:var(--mono);font-style:normal;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-top:3px;}
.on-hero .brand .bt i{color:rgba(255,255,255,.8);}

.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  font-size:15px;font-weight:500;padding:9px 14px;border-radius:var(--radius);
  color:var(--ink-2);transition:.18s;
}
.on-hero .nav-links a{color:rgba(255,255,255,.92);}
.nav-links a:hover{background:var(--paper-2);color:var(--forest);}
.on-hero .nav-links a:hover{background:rgba(255,255,255,.14);color:#fff;}
.nav-links a.active{color:var(--forest);font-weight:600;}
.on-hero .nav-links a.active{color:#fff;}
.nav-cta{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;font-weight:500;
  padding:9px 16px;border:1.5px solid var(--forest);border-radius:100px;color:var(--forest);
  display:inline-flex;align-items:center;gap:7px;transition:.18s;
}
.on-hero .nav-cta{border-color:rgba(255,255,255,.7);color:#fff;}
.nav-cta:hover{background:var(--forest);color:#fff;}
.on-hero .nav-cta:hover{background:#fff;color:var(--forest);border-color:#fff;}
.nav-burger{display:none;background:none;border:0;cursor:pointer;padding:8px;color:inherit;}

/* sfondo scuro di fallback per l'hero a tutta foto: mentre l'immagine
   si carica, il testo bianco della navbar resta leggibile */
[data-hero]{background-color:#22321e;}
.site-head + .hero{
  margin-top:-74px;
  padding-top:74px;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:10px;cursor:pointer;
  font-family:var(--sans);font-weight:600;font-size:15.5px;
  padding:13px 24px;border-radius:100px;border:1.5px solid transparent;transition:.18s;
}
.btn svg{width:17px;height:17px;}
.btn-primary{background:var(--forest);color:#fff;}
.btn-primary:hover{background:var(--forest-d);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--stone-2);color:var(--ink);}
.btn-ghost:hover{border-color:var(--forest);color:var(--forest);}
.btn-light{background:#fff;color:var(--forest);}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-line{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-line:hover{background:rgba(255,255,255,.14);}

/* ============ BADGES / CHIPS ============ */
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.05em;
  text-transform:uppercase;padding:5px 11px;border-radius:100px;
  background:var(--sage-soft);color:var(--forest);
}
.chip.water{background:#d9eef7;color:#1d7ba6;}
.chip.leaf{background:#eef4d9;color:#5e7a23;}
.chip.clay{background:#f3e4d8;color:#9a5526;}
.diff{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.03em;}
.diff::before{content:"";width:9px;height:9px;border-radius:50%;background:currentColor;}
.diff.t{color:var(--diff-t);}
.diff.e{color:var(--diff-e);}
.diff.ee{color:var(--diff-ee);}

/* ============ SECTION SHELL ============ */
section{position:relative;}
.section{padding:clamp(56px,8vw,108px) 0;}
.section.alt{background:var(--surface);}
.section.dark{background:var(--forest-d);color:#fff;}
.section.dark h1,.section.dark h2,.section.dark h3{color:#fff;}
.sec-head{margin-bottom:clamp(30px,4vw,52px);}
.sec-head.center{text-align:center;max-width:720px;margin-left:auto;margin-right:auto;}
.sec-head h2{font-size:clamp(30px,4.2vw,52px);}
.sec-head p{color:var(--ink-2);font-size:clamp(16px,1.5vw,19px);max-width:60ch;margin-top:14px;}
.sec-head.center p{margin-left:auto;margin-right:auto;}
.sec-row{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:clamp(30px,4vw,52px);}
.sec-row h2{font-size:clamp(28px,3.6vw,46px);}
.link-more{font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:var(--forest);font-weight:500;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.link-more:hover{gap:12px;}

/* ============ CARDS ============ */
.grid{display:grid;gap:var(--gap);}
.g-2{grid-template-columns:repeat(2,1fr);}
.g-3{grid-template-columns:repeat(3,1fr);}
.g-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--card);border:1px solid var(--stone);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.22s;
  box-shadow:0 1px 2px rgba(42,42,38,.04);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--stone-2);}
.card .media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--paper-2);}
.card .media img{width:100%;height:100%;object-fit:cover;transition:.5s;}
.card:hover .media img{transform:scale(1.05);}
.card .media .tag{position:absolute;top:12px;left:12px;}
.card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card .kicker{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px;}
.card h3{font-size:22px;margin-bottom:8px;}
.card .body p{font-size:14.5px;color:var(--ink-2);margin:0 0 16px;}
.card .foot{margin-top:auto;display:flex;align-items:center;gap:16px;font-family:var(--mono);font-size:12px;color:var(--ink-3);flex-wrap:wrap;}
.card .foot .m{display:inline-flex;align-items:center;gap:6px;}
.card .foot svg{width:14px;height:14px;opacity:.7;}

/* placeholder immagini mancanti — striato, etichetta mono */
.ph{
  position:absolute;inset:0;
  background:
    repeating-linear-gradient(135deg, rgba(47,82,51,.06) 0 11px, rgba(47,82,51,.11) 11px 22px),
    linear-gradient(160deg, var(--sage-soft), var(--paper-2));
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--forest);
}
.ph svg{width:30px;height:30px;opacity:.5;}
.ph span{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--sage);text-transform:uppercase;}

/* ============ FOOTER ============ */
.site-foot{background:var(--forest-d);color:rgba(255,255,255,.78);padding:64px 0 30px;font-size:14.5px;}
.site-foot a{color:rgba(255,255,255,.78);}
.site-foot a:hover{color:#fff;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:46px;}
.foot-brand img{height:54px;margin-bottom:18px;filter:brightness(0) invert(1);opacity:.92;}
.foot-brand p{max-width:34ch;color:rgba(255,255,255,.62);font-size:14px;}
.foot-col h4{color:#fff;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:500;margin-bottom:16px;}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;letter-spacing:.03em;color:rgba(255,255,255,.5);}

/* menu mobile */
.mobile-menu{position:fixed;inset:74px 0 0;z-index:60;background:var(--paper);
  display:flex;flex-direction:column;padding:18px 24px;gap:4px;border-top:1px solid var(--stone);}
.mobile-menu a{font-family:var(--serif);font-size:24px;padding:14px 8px;border-bottom:1px solid var(--stone);color:var(--ink);}
.mobile-menu a.active{color:var(--forest);}

/* ============ UTIL ============ */
/* .reveal: classe inerte, i contenuti sono sempre visibili (nessuna
   animazione di entrata, per garantire il render in ogni contesto). */
.reveal{opacity:1;}

/* ============ PAGINE INTERNE ============ */
/* header non-hero: aggiungo spazio sotto la barra sticky */
body.page{padding-top:0;}

/* intestazione pagina */
.subhead{padding:clamp(40px,6vw,72px) 0 clamp(28px,4vw,44px);border-bottom:1px solid var(--stone);background:var(--surface);}
.crumbs{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--ink-3);margin-bottom:22px;display:flex;gap:9px;align-items:center;flex-wrap:wrap;}
.crumbs a:hover{color:var(--forest);}
.crumbs .sep{opacity:.5;}
.subhead h1{font-size:clamp(38px,6vw,72px);font-weight:500;letter-spacing:-.02em;line-height:1;max-width:18ch;}
.subhead .lead{margin-top:20px;max-width:60ch;color:var(--ink-2);font-size:clamp(16px,1.6vw,20px);}
.subhead-row{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;}

/* barra filtri */
.filterbar{position:sticky;top:74px;z-index:40;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--stone);}
.filterbar .wrap{display:flex;align-items:center;gap:14px;padding-top:16px;padding-bottom:16px;flex-wrap:wrap;}
.fchip{font-family:var(--mono);font-size:12.5px;letter-spacing:.03em;padding:8px 16px;border-radius:100px;border:1.5px solid var(--stone-2);color:var(--ink-2);cursor:pointer;transition:.16s;white-space:nowrap;}
.fchip:hover{border-color:var(--forest);color:var(--forest);}
.fchip.on{background:var(--forest);border-color:var(--forest);color:#fff;}
.count{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--ink-3);}

/* card lista orizzontale variante */
.card .foot .diff{font-size:11.5px;}

/* ====== DETTAGLIO ====== */
.dhero{position:relative;height:min(62vh,560px);min-height:380px;display:flex;align-items:flex-end;overflow:hidden;color:#fff;}
.dhero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.dhero .ph{position:absolute;}
.dhero .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,28,20,.32) 0%,rgba(20,28,20,0) 35%,rgba(20,28,20,.78) 100%);}
.dhero .wrap{position:relative;padding-bottom:clamp(28px,4vw,48px);width:100%;}
.dhero .crumbs{color:rgba(255,255,255,.8);}
.dhero .crumbs a{color:rgba(255,255,255,.8);}
.dhero h1{color:#fff;font-size:clamp(34px,5.4vw,68px);line-height:1.02;max-width:20ch;text-shadow:0 2px 24px rgba(0,0,0,.35);}
.dhero .meta-row{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap;}
.dhero .meta-row .chip{background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(4px);}

.detail{padding:clamp(44px,6vw,84px) 0;}
.detail-grid{display:grid;grid-template-columns:1fr 360px;gap:clamp(34px,5vw,68px);align-items:start;}
.prose{max-width:68ch;}
.prose .lede{font-family:var(--serif);font-size:clamp(20px,2vw,26px);line-height:1.4;color:var(--ink);font-weight:400;margin-bottom:28px;}
.prose h2{font-size:clamp(24px,2.6vw,34px);margin:38px 0 14px;}
.prose h3{font-size:20px;margin:26px 0 10px;}
.prose p{color:var(--ink-2);margin-bottom:1.1em;}
.prose strong{color:var(--forest);font-weight:600;}
.prose ul{margin:0 0 1.2em;padding:0;list-style:none;}
.prose ul li{position:relative;padding-left:26px;margin-bottom:10px;color:var(--ink-2);}
.prose ul li::before{content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--sage);}

/* waypoint list (tappe) */
.tappe{counter-reset:t;margin:8px 0 0;padding:0;list-style:none;border-left:2px solid var(--stone);}
.tappe li{position:relative;padding:0 0 26px 30px;}
.tappe li::before{counter-increment:t;content:counter(t);position:absolute;left:-15px;top:-2px;width:28px;height:28px;border-radius:50%;background:var(--forest);color:#fff;font-family:var(--mono);font-size:12px;display:flex;align-items:center;justify-content:center;}
.tappe li b{display:block;font-family:var(--serif);font-size:19px;font-weight:500;margin-bottom:3px;}
.tappe li span{font-family:var(--mono);font-size:12px;color:var(--ink-3);}
.tappe li p{margin:6px 0 0;font-size:15px;}

/* aside sticky */
.aside{position:sticky;top:98px;display:flex;flex-direction:column;gap:20px;}
.panel{background:var(--card);border:1px solid var(--stone);border-radius:var(--radius);overflow:hidden;}
.panel-h{padding:16px 20px;border-bottom:1px solid var(--stone);font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);display:flex;align-items:center;gap:9px;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;}
.stat{padding:18px 20px;border-bottom:1px solid var(--stone);border-right:1px solid var(--stone);}
.stat:nth-child(2n){border-right:0;}
.stat:nth-last-child(-n+2){border-bottom:0;}
.stat .k{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:7px;}
.stat .v{font-family:var(--serif);font-size:26px;font-weight:500;line-height:1;color:var(--ink);}
.stat .v small{font-size:14px;color:var(--ink-2);font-family:var(--sans);}
.panel-body{padding:18px 20px;}
.panel-body .line{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed var(--stone);font-size:14.5px;}
.panel-body .line:last-child{border-bottom:0;}
.panel-body .line .k{color:var(--ink-3);}
.panel-body .line .v{font-weight:600;text-align:right;}
.panel-actions{display:flex;flex-direction:column;gap:10px;padding:18px 20px;}
.panel-actions .btn{justify-content:center;width:100%;}
.share{display:flex;gap:8px;padding:0 20px 18px;}
.share button{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;font-family:var(--mono);font-size:12px;padding:11px;border:1.5px solid var(--stone-2);border-radius:var(--radius);background:#fff;color:var(--ink-2);cursor:pointer;transition:.16s;}
.share button:hover{border-color:var(--forest);color:var(--forest);}

/* profilo altimetrico */
.profile{padding:20px;}
.profile svg{width:100%;height:auto;display:block;}
.profile .cap{font-family:var(--mono);font-size:11px;color:var(--ink-3);margin-top:10px;display:flex;justify-content:space-between;}

/* mappa tracciato */
.tracemap{position:relative;border:1px solid var(--stone);border-radius:var(--radius);overflow:hidden;background:var(--paper-2);}
.tracemap img{width:100%;display:block;}
.tracemap .cap{position:absolute;left:14px;bottom:12px;font-family:var(--mono);font-size:11px;background:rgba(255,255,255,.9);padding:6px 11px;border-radius:100px;color:var(--ink-2);}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px;}
.gallery .cell{position:relative;aspect-ratio:1;border-radius:var(--radius);overflow:hidden;background:var(--paper-2);}
.gallery .cell img{width:100%;height:100%;object-fit:cover;}
.gallery .cell.tall{grid-row:span 2;aspect-ratio:auto;}

/* vedi anche */
.nearby{background:var(--surface);border-top:1px solid var(--stone);}

/* ============ RESPONSIVE ============ */
@media (max-width:1000px){
  .g-4{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .detail-grid{grid-template-columns:1fr;}
  .aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .aside>*{flex:1;min-width:260px;}
}
@media (max-width:760px){
  body{font-size:16px;}
  .nav-links,.nav-cta{display:none;}
  .nav-burger{display:inline-flex;}
  .g-2,.g-3{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:480px){
  .g-4{grid-template-columns:1fr;}
}