/* GB Arbor — bozza Digitam. "Dal giardino al bosco": la pagina scende il pendio. */
:root{
  --lime:#a6cb43;
  --lime-hi:#c6ec5a;
  --prato:#eef4dc;
  --bosco:#12271a;
  --bosco-2:#1b3a25;
  --legno:#ecd3a6;
  --ink:#12261a;
  --head:76px;
  --pad:clamp(20px,4vw,64px);
  --display:"Clash Grotesk",system-ui,sans-serif;
  --text:"Switzer",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:calc(var(--head) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--text);font-size:17px;line-height:1.55;color:var(--ink);background:var(--prato)}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:500;line-height:.98;letter-spacing:-.01em;margin:0}
p{margin:0}
:focus-visible{outline:3px solid var(--bosco);outline-offset:3px}
.dark :focus-visible,.foot :focus-visible{outline-color:var(--lime-hi)}
.skip{position:absolute;left:-999px;top:8px;background:var(--bosco);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:50;height:var(--head);background:var(--lime);border-bottom:1px solid rgba(18,38,26,.16);transition:box-shadow .3s}
.site-head.is-stuck{box-shadow:0 6px 24px -12px rgba(18,38,26,.45)}
.head-in{height:100%;display:flex;align-items:center;gap:28px;padding:0 var(--pad)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;margin-right:auto}
.brand img{height:54px;width:auto}
.brand span{font-family:var(--display);font-weight:500;font-size:15px;line-height:1.1}
.nav{display:flex;align-items:center;gap:26px}
.nav a{text-decoration:none;font-weight:500;font-size:16px;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--bosco)}
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:600;font-size:16px;text-decoration:none;white-space:nowrap;transition:transform .25s,background-color .25s}
.btn:hover{transform:translateY(-2px)}
.btn-dark{background:var(--bosco);color:var(--lime-hi)}
.btn-line{border:2px solid currentColor}
.btn-lime{background:var(--lime-hi);color:var(--bosco)}
.btn svg{width:18px;height:18px;flex:none}
.nav .btn{border-bottom:0;padding:0 20px}
.menu-btn{display:none}

@media (max-width:960px){
  :root{--head:64px}
  .brand img{height:44px}
  .brand span{display:none}
  .menu-btn{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 18px;border-radius:999px;border:2px solid var(--bosco);background:transparent;font:600 16px var(--text);color:var(--bosco);cursor:pointer}
  .menu-btn .bars{width:18px;height:12px;position:relative}
  .menu-btn .bars::before,.menu-btn .bars::after{content:"";position:absolute;left:0;right:0;height:2px;background:currentColor;transition:transform .25s}
  .menu-btn .bars::before{top:1px}.menu-btn .bars::after{bottom:1px}
  .menu-btn[aria-expanded="true"] .bars::before{transform:translateY(4px) rotate(45deg)}
  .menu-btn[aria-expanded="true"] .bars::after{transform:translateY(-5px) rotate(-45deg)}
  .nav{position:absolute;top:var(--head);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px var(--pad) 24px;background:var(--lime);border-bottom:1px solid rgba(18,38,26,.2);max-height:calc(100svh - var(--head));overflow:auto;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .25s,transform .25s,visibility 0s .25s}
  .nav.open{visibility:visible;opacity:1;transform:none;transition:opacity .25s,transform .25s}
  .nav a{min-height:52px;display:flex;align-items:center;font-size:20px;border-bottom:1px solid rgba(18,38,26,.18)}
  .nav a:hover,.nav a[aria-current="page"]{border-bottom-color:rgba(18,38,26,.18);text-decoration:underline;text-underline-offset:5px}
  .nav .btn{margin-top:16px;justify-content:center;border-bottom:0}
}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--lime);overflow:hidden;min-height:calc(100svh - var(--head));display:grid;grid-template-rows:1fr auto}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr);gap:clamp(24px,4vw,72px);align-items:end;padding:clamp(28px,5vh,64px) var(--pad) 0;position:relative;z-index:2}
.hero h1{font-size:clamp(44px,5vw,88px)}
.hero h1 .where{display:block;color:var(--bosco-2)}
.hero .lead{margin-top:24px;font-size:clamp(18px,1.4vw,21px);max-width:44ch;line-height:1.45}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-text{padding-bottom:clamp(24px,5vh,56px)}
.hero-photo{margin:0;position:relative;justify-self:end;width:min(100%,470px);will-change:transform}
.hero-photo img{width:100%;max-height:calc(100svh - var(--head) - 270px);min-height:420px;object-fit:cover;object-position:50% 30%;border-radius:4px 4px 0 0;box-shadow:0 30px 60px -30px rgba(18,38,26,.6)}
.hero-photo figcaption{position:absolute;left:0;bottom:0;background:rgba(18,39,26,.88);color:var(--prato);font-size:14px;padding:8px 14px;width:100%}
.pendio{position:relative;z-index:1;width:100%;height:auto;display:block;margin-top:24px;color:var(--bosco)}
.pendio .lbl{font:600 13px var(--text);fill:var(--bosco)}
.pendio .num{font:500 15px var(--display);fill:var(--lime-hi)}
.pendio .layer{will-change:transform}

@media (max-width:960px){
  .hero{min-height:0}
  .hero-grid{grid-template-columns:1fr;padding-top:28px}
  .hero h1{font-size:clamp(40px,11vw,64px)}
  .hero-photo{justify-self:stretch;width:100%}
  .hero-photo img{max-height:none;aspect-ratio:4/5}
  .hero-text{padding-bottom:8px}
  .pendio{height:150px}
  .pendio .lbl{display:none}
}

/* ---------- sezioni ---------- */
.sec{padding:clamp(72px,10vw,140px) var(--pad);position:relative}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,72px);align-items:end;margin-bottom:clamp(40px,6vw,80px)}
.sec h2{font-size:clamp(40px,5.6vw,88px)}
.sec .intro{font-size:clamp(17px,1.3vw,20px);max-width:44ch}
.dark{background:var(--bosco);color:#e9f0dc}
.dark h2,.dark h3{color:#fff}
.dark .accent{color:var(--lime-hi)}

.services{list-style:none;margin:0;padding:0;columns:2;column-gap:clamp(24px,4vw,64px)}
.services li{break-inside:avoid;display:flex;gap:14px;align-items:baseline;padding:12px 0;border-top:1px solid rgba(18,38,26,.2);font-weight:500}
.dark .services li{border-top-color:rgba(233,240,220,.2)}
.services li b{font-family:var(--display);font-weight:500;font-size:14px;min-width:2ch;color:var(--bosco-2)}
.dark .services li b{color:var(--lime-hi)}

/* galleria della home: foto a misura nativa, didascalia sotto */
.works{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(14px,2vw,28px);align-items:start}
.work{margin:0;will-change:transform}
.work img{width:100%;border-radius:3px;background:rgba(18,38,26,.1)}
.work figcaption{margin-top:10px;font-size:15px;line-height:1.35;display:flex;gap:10px}
.work figcaption b{font-family:var(--display);font-weight:500;color:var(--bosco-2);min-width:2.2ch}
.dark .work figcaption b{color:var(--lime-hi)}
.w-6{grid-column:span 6}.w-5{grid-column:span 5}.w-4{grid-column:span 4}.w-7{grid-column:span 7}.w-3{grid-column:span 3}.w-8{grid-column:span 8}
.off{margin-top:clamp(40px,8vw,120px)}
.more{margin-top:clamp(40px,5vw,64px);display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* la frana: tre fasi in fila */
.frana{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(24px,4vw,72px);align-items:start;margin-bottom:clamp(64px,8vw,120px)}
.frana h3{font-size:clamp(32px,3.6vw,56px);margin-bottom:22px}
.frana p{max-width:42ch}
.frana .steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(14px,2vw,24px)}
.frana .steps .work.wide{grid-column:span 2}

@media (max-width:960px){
  .sec-head,.frana{grid-template-columns:1fr}
  .services{columns:1}
  .works{grid-template-columns:repeat(2,minmax(0,1fr))}
  .works .work{grid-column:span 2}
  .works .work.half{grid-column:span 1}
  .off{margin-top:0}
}

/* ---------- CTA ---------- */
.call{background:var(--lime);padding:clamp(64px,9vw,120px) var(--pad);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(24px,4vw,72px);align-items:end}
.call h2{font-size:clamp(40px,5.4vw,84px)}
.call .contacts{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.call .tel{font-family:var(--display);font-weight:500;font-size:clamp(28px,2.8vw,40px);text-decoration:none;border-bottom:2px solid var(--bosco)}
.call .mail{font-size:20px;font-weight:500}
.call p.note{margin-top:20px;max-width:40ch}
@media (max-width:960px){.call{grid-template-columns:1fr}}

/* ---------- chi siamo ---------- */
.about{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(24px,5vw,96px);align-items:center}
.about .logo-big{width:min(100%,320px)}
.about h2{margin-bottom:28px}
.about p{font-size:clamp(18px,1.5vw,22px);max-width:40ch}
.about p+p{margin-top:16px}
.about dl{margin:32px 0 0;display:grid;grid-template-columns:auto 1fr;gap:8px 24px;font-size:16px}
.about dt{font-weight:600}
.about dd{margin:0}
@media (max-width:960px){.about{grid-template-columns:1fr}.about .logo-big{width:180px}}

/* ---------- piede ---------- */
.foot{background:var(--bosco);color:#dfe8d0;padding:64px var(--pad) 32px}
.foot-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.foot h3{font-size:22px;color:#fff;margin-bottom:14px}
.foot a{text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot .small{margin-top:48px;padding-top:20px;border-top:1px solid rgba(223,232,208,.2);font-size:14px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
@media (max-width:960px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}}

/* ---------- pagine interne ---------- */
.page-hero{background:var(--lime);padding:clamp(48px,7vw,104px) var(--pad) clamp(48px,6vw,88px);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(24px,4vw,72px);align-items:end}
.page-hero.dark{background:var(--bosco)}
.page-hero h1{font-size:clamp(44px,6vw,96px)}
.page-hero .lead{font-size:clamp(18px,1.4vw,21px);max-width:40ch}
.page-hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.gallery{columns:3 300px;column-gap:clamp(16px,2vw,28px)}
.gallery .work{break-inside:avoid;margin-bottom:clamp(24px,3vw,40px)}
@media (max-width:960px){.page-hero{grid-template-columns:1fr}}

/* ---------- movimento ---------- */
.rise{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.rise.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .rise{opacity:1;transform:none}
}