/* AcquaKlima Sagl — bozza Digitam. Concetto «Mandata e ritorno». */
:root{
  --arancio:#ff7a1a; --arancio-txt:#b44700; --blu:#1857c9; --blu-vivo:#2f7bff;
  --navy:#0a1b33; --navy-2:#13294a; --bianco:#fff; --muro:#f2f5f9; --linea:#d9e1ec;
  --hdr:76px; --gutter:112px;
  --f-display:"Clash Grotesk",ui-sans-serif,system-ui,sans-serif;
  --f-testo:"General Sans",ui-sans-serif,system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-padding-top:calc(var(--hdr) + 16px);-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;font-family:var(--f-testo);font-size:18px;line-height:1.55;color:var(--navy);background:var(--bianco)}
img{display:block;max-width:100%;height:auto}
figure{margin:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--blu-vivo);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--navy);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:8px}
h1,h2,h3{font-family:var(--f-display);font-weight:500;letter-spacing:-.015em;line-height:1.02;margin:0}
p{margin:0 0 1em}
.wrap{width:min(1200px,100% - var(--gutter)*2);margin-inline:auto}

/* ——— Header fisso su fondo pieno ——— */
.hdr{position:sticky;top:0;z-index:50;height:var(--hdr);background:var(--bianco);border-bottom:1px solid var(--linea);transition:box-shadow .3s}
.hdr.is-stuck{box-shadow:0 6px 24px rgba(10,27,51,.08)}
.hdr-in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;padding-inline:clamp(18px,3vw,40px)}
.marchio{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.marchio svg{width:38px;height:38px}
.marchio b{font-family:var(--f-display);font-weight:600;font-size:23px;letter-spacing:-.01em}
.marchio b span{color:var(--arancio-txt)}
.marchio small{font-family:var(--f-testo);font-size:13px;font-weight:500;color:#4a5b75;margin-left:2px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{font-size:16px;font-weight:500;text-decoration:none;padding:10px 14px;border-radius:99px;transition:background .2s}
.nav a:hover{background:var(--muro)}
.nav a[aria-current="page"]{background:var(--navy);color:#fff}
.nav .tel{margin-left:10px;background:var(--arancio);color:var(--navy);font-weight:600}
.nav .tel:hover{background:#ff8f3d}
.menu-btn{display:none}
@media (max-width:960px){
  .menu-btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 18px;border:0;border-radius:99px;background:var(--navy);color:#fff;font:600 16px var(--f-testo);cursor:pointer}
  .menu-btn i{width:18px;height:2px;background:currentColor;position:relative;display:block}
  .menu-btn i::before,.menu-btn i::after{content:"";position:absolute;left:0;width:100%;height:2px;background:currentColor;transition:transform .25s}
  .menu-btn i::before{top:-6px}.menu-btn i::after{top:6px}
  .menu-btn[aria-expanded="true"] i{background:transparent}
  .menu-btn[aria-expanded="true"] i::before{transform:translateY(6px) rotate(45deg)}
  .menu-btn[aria-expanded="true"] i::after{transform:translateY(-6px) rotate(-45deg)}
  .nav{position:absolute;top:var(--hdr);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:14px 18px 22px;background:var(--bianco);border-bottom:1px solid var(--linea);box-shadow:0 18px 30px rgba(10,27,51,.12);max-height:calc(100svh - var(--hdr));overflow:auto;display:none}
  .nav.open{display:flex}
  .nav a{min-height:52px;display:flex;align-items:center;font-size:19px;padding:0 16px}
  .nav .tel{margin:8px 0 0;justify-content:center}
}

/* ——— Pulsanti ——— */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:54px;padding:0 26px;border-radius:99px;font-weight:600;font-size:17px;text-decoration:none;transition:transform .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-navy{background:var(--navy);color:#fff}
.btn-bianco{background:#fff;color:var(--navy)}
.btn-blu{background:var(--blu);color:#fff}
.btn-linea{border:2px solid currentColor}
.btn svg{width:20px;height:20px}

/* ——— Hero ——— */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);min-height:calc(100svh - var(--hdr) - 96px);background:var(--arancio);overflow:hidden}
.hero-txt{padding:clamp(40px,6vh,80px) clamp(28px,4vw,64px) 48px var(--gutter);display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:clamp(42px,4.3vw,74px);max-width:11.5ch}
.hero h1 .riga{display:block;overflow:hidden;padding-bottom:.06em}
.hero h1 .riga span{display:block}
.hero .sotto{font-size:clamp(18px,1.35vw,21px);max-width:34ch;margin:28px 0 32px;font-weight:500}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-foto{position:relative;overflow:hidden;background:var(--navy)}
.hero-foto img{position:absolute;inset:-6% 0;width:100%;height:112%;object-fit:cover;object-position:28% 40%}
.hero-foto figcaption{position:absolute;right:18px;bottom:18px;background:rgba(10,27,51,.82);color:#fff;font-size:14px;padding:8px 14px;border-radius:99px}
.prove{background:var(--navy);color:#fff}
.prove ul{list-style:none;margin:0;padding:0 clamp(18px,3vw,40px) 0 var(--gutter);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));min-height:96px}
.prove li{display:flex;align-items:center;gap:14px;padding:16px 18px;border-left:1px solid rgba(255,255,255,.16);font-size:15px;line-height:1.3}
.prove li:first-child{border-left:0;padding-left:0}
.prove b{display:block;font-family:var(--f-display);font-weight:500;font-size:20px;color:var(--arancio)}
.prove svg{width:34px;height:34px;flex-shrink:0}

/* ——— Tubi: mandata e ritorno ——— */
.impianto{position:relative}
.tubi{position:absolute;top:0;bottom:0;left:calc(var(--gutter)/2 - 26px);width:52px;pointer-events:none;z-index:4}
.tubo{position:absolute;top:0;bottom:0;width:14px;border:2px solid var(--navy);border-top:0;border-radius:0 0 8px 8px;background:#fff;overflow:hidden}
.tubo.m{left:6px}.tubo.r{left:32px}
.tubo i{position:absolute;inset:0;transform-origin:top;transform:scaleY(0)}
.tubo.m i{background:var(--arancio)}.tubo.r i{background:var(--blu-vivo)}
.valvola{position:absolute;left:0;width:52px;height:30px;transform:translateY(-50%)}
.valvola svg{width:52px;height:30px}
.cartellino{position:absolute;left:58px;top:-8px;writing-mode:vertical-rl;transform:rotate(180deg);background:var(--navy);color:#fff;font:600 12px/1 var(--f-testo);letter-spacing:.06em;text-transform:uppercase;padding:12px 6px 18px;clip-path:polygon(0 0,100% 0,100% 100%,50% calc(100% - 7px),0 100%);white-space:nowrap}
.sez-blu .cartellino,.sez-navy .cartellino{background:#fff;color:var(--navy)}

/* ——— Sezioni ——— */
.sez{position:relative;padding:clamp(80px,11vw,150px) 0}
.sez-arancio{background:var(--arancio)}
.sez-blu{background:var(--blu);color:#fff}
.sez-navy{background:var(--navy);color:#fff}
.sez-muro{background:var(--muro)}
.titolo{font-size:clamp(40px,8.4vw,132px);grid-column:1/-1;margin-bottom:clamp(8px,2vw,24px)}
.titolo-m{font-size:clamp(34px,4.2vw,64px)}
.lead{font-size:clamp(19px,1.5vw,22px);max-width:40ch}
.intro{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:end}
.intro .grande{font-family:var(--f-display);font-weight:500;font-size:clamp(32px,3.6vw,56px);line-height:1.08;letter-spacing:-.01em;margin:0}
.intro .grande em{font-style:normal;color:var(--blu)}
.zone{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 0;padding:0;list-style:none}
.zone li{border:1.5px solid var(--navy);border-radius:99px;padding:6px 14px;font-size:15px;font-weight:500}

.servizio{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);column-gap:clamp(32px,6vw,96px);row-gap:24px;align-items:center}
.servizio.inv .serv-txt{order:2}
.serv-txt h2{margin-bottom:24px}
.voci{list-style:none;margin:28px 0 32px;padding:0;border-top:2px solid currentColor}
.voci li{padding:14px 0;border-bottom:1px solid color-mix(in srgb,currentColor 28%,transparent);font-size:18px;font-weight:500;display:flex;gap:14px}
.voci li::before{content:"";flex:0 0 10px;height:10px;margin-top:.55em;border-radius:50%;background:currentColor;opacity:.85}
.sez-arancio .voci li::before{background:var(--navy)}
.foto-coppia{position:relative;aspect-ratio:1/1.05}
.foto-coppia figure{margin:0;position:absolute;overflow:hidden;border-radius:6px;box-shadow:0 24px 50px rgba(10,27,51,.22)}
.foto-coppia img{width:100%;height:100%;object-fit:cover}
.foto-coppia .a{left:0;top:0;width:64%;height:82%}
.foto-coppia .b{right:0;bottom:0;width:50%;height:56%;border:6px solid currentColor}
.sez-arancio .foto-coppia .b{border-color:var(--arancio)}
.sez-blu .foto-coppia .b{border-color:var(--blu)}
.foto-coppia.oriz .a{width:78%;height:62%}
.foto-coppia.oriz .b{width:46%;height:58%}
.link-freccia{font-weight:600;text-decoration:none;border-bottom:2px solid currentColor;padding-bottom:2px}

.due{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,4vw,56px)}
.scheda{background:#fff;color:var(--navy);border-radius:10px;padding:clamp(28px,3vw,44px)}
.scheda h3{font-size:clamp(26px,2.4vw,36px);margin-bottom:14px}
.scheda .voci{border-top-color:var(--navy);margin-bottom:0}
.stagione{display:inline-block;margin-top:18px;font-weight:600;font-size:15px;padding:6px 14px;border-radius:99px}
.stagione.estate{background:#ffe2cc;color:#8a3500}
.stagione.inverno{background:#dbe7ff;color:#123f91}

/* ——— Storia ——— */
.storia{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,96px);align-items:start}
.storia-foto{position:sticky;top:calc(var(--hdr) + 32px)}
.storia-foto img{border-radius:8px;width:100%;aspect-ratio:4/5;object-fit:cover}
.storia-foto figcaption{margin-top:14px;font-size:15px;color:#c9d5e8}
.storia-foto figcaption b{display:block;color:#fff;font-family:var(--f-display);font-weight:500;font-size:24px}
.tappe{list-style:none;margin:40px 0 0;padding:0}
.tappe li{display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;padding:28px 0;border-top:1px solid rgba(255,255,255,.2)}
.tappe .anno{font-family:var(--f-display);font-weight:500;font-size:40px;line-height:1;color:var(--arancio)}
.tappe h3{font-size:26px;margin-bottom:8px}
.tappe p{color:#c9d5e8;margin:0}

/* ——— Lavori ——— */
.striscia{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.3fr;gap:14px;margin-top:48px;align-items:end}
.striscia figure{margin:0;overflow:hidden;border-radius:6px}
.striscia img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.striscia figure:hover img{transform:scale(1.04)}
.striscia figure:nth-child(1){aspect-ratio:4/3}.striscia figure:nth-child(2){aspect-ratio:3/4}
.striscia figure:nth-child(3){aspect-ratio:3/4.4}.striscia figure:nth-child(4){aspect-ratio:4/3.2}

/* ——— Contatti ——— */
.contatti{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,96px)}
.persone{display:grid;gap:14px;margin:36px 0}
.persona{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff;color:var(--navy);border-radius:10px;padding:20px 24px;text-decoration:none;transition:transform .2s}
.persona:hover{transform:translateX(6px)}
.persona span{font-size:15px;font-weight:500;color:#4a5b75}
.persona b{font-family:var(--f-display);font-weight:500;font-size:clamp(24px,2.3vw,32px);display:block;color:var(--navy)}
.persona svg{width:28px;height:28px;flex-shrink:0}
.dati{list-style:none;margin:0;padding:0;font-size:17px}
.dati li{padding:12px 0;border-top:1px solid rgba(10,27,51,.2)}
.dati b{display:block;font-size:14px;letter-spacing:.04em;text-transform:uppercase}
.scheda-wa fieldset{border:0;margin:0 0 20px;padding:0}
.scheda-wa legend{font-weight:600;margin-bottom:12px}
.scelte{display:flex;flex-wrap:wrap;gap:8px}
.scelte input{position:absolute;opacity:0;pointer-events:none}
.scelte label{display:inline-flex;align-items:center;min-height:46px;padding:0 18px;border-radius:99px;border:2px solid var(--navy);font-weight:500;cursor:pointer;transition:background .2s,color .2s}
.scelte input:checked+label{background:var(--navy);color:#fff}
.scelte input:focus-visible+label{outline:3px solid var(--blu-vivo);outline-offset:2px}
.scheda-wa textarea{width:100%;min-height:110px;border:2px solid var(--navy);border-radius:10px;padding:14px;font:inherit;font-size:17px;resize:vertical}
.scheda-wa .nota{font-size:14px;color:#4a5b75;margin:12px 0 0}

/* ——— Footer ——— */
.piede{background:var(--navy);color:#c9d5e8;padding:56px 0 40px;font-size:15px}
.piede-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px}
.piede a{color:#fff}
.piede .marchio b{color:#fff}.piede .marchio b span{color:var(--arancio)}.piede .marchio small{color:#c9d5e8}
.piede ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.piede .bozza{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px}

/* ——— Pagine interne ——— */
.testa{background:var(--arancio);padding:clamp(56px,8vw,110px) 0 clamp(48px,6vw,80px)}
.testa h1{font-size:clamp(48px,7vw,112px)}
.testa .lead{margin-top:22px}
.salti{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.salti a{background:var(--navy);color:#fff;text-decoration:none;font-weight:500;padding:10px 18px;border-radius:99px}
.faq details{border-top:2px solid var(--navy);padding:6px 0}
.faq details:last-child{border-bottom:2px solid var(--navy)}
.faq summary{cursor:pointer;list-style:none;font-family:var(--f-display);font-weight:500;font-size:clamp(22px,2vw,28px);padding:18px 40px 18px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:34px;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{max-width:62ch;padding-bottom:12px}
.galleria{columns:3 300px;column-gap:14px}
.galleria figure{margin:0 0 14px;break-inside:avoid;border-radius:6px;overflow:hidden;position:relative}
.galleria figcaption{position:absolute;left:10px;bottom:10px;background:rgba(10,27,51,.85);color:#fff;font-size:14px;padding:6px 12px;border-radius:99px}
.gruppo+.gruppo{margin-top:72px}
.gruppo h2{margin-bottom:28px}

/* ——— Movimento ——— */
.js .entra{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.js .entra.dentro{opacity:1;transform:none}
/* Apertura: la foto si assesta, niente resta mai nascosto */
.js .hero-foto{transform:scale(1.04);transform-origin:70% 50%;transition:transform 1.6s cubic-bezier(.2,.7,.2,1)}
.js.pronto .hero-foto{transform:none}
.par{will-change:transform}
.scheda-larga{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center}
.scheda-larga .btn{justify-self:start}
@media (max-width:640px){.scheda-larga{grid-template-columns:1fr;gap:18px}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .js .entra{opacity:1;transform:none}
  .js .hero-foto{transform:none}
}

/* ——— Responsive ——— */
@media (max-width:1100px){:root{--gutter:84px}}
@media (max-width:960px){
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-foto{height:min(62vw,460px);order:-1}
  .hero-txt{padding:36px 22px 40px var(--gutter)}
  .prove ul{grid-template-columns:repeat(2,minmax(0,1fr));padding-left:var(--gutter)}
  .prove li{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14)}
  .intro,.servizio,.storia,.contatti,.due{grid-template-columns:1fr}
  .servizio.inv .serv-txt{order:0}
  .storia-foto{position:relative;top:0;max-width:420px}
  .striscia{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  :root{--hdr:66px;--gutter:46px}
  body{font-size:17px}
  .wrap{width:auto;margin-left:var(--gutter);margin-right:20px}
  .marchio b{font-size:20px}.marchio svg{width:32px;height:32px}.marchio small{display:none}
  .hero-txt{padding-right:20px}
  .prove ul{grid-template-columns:1fr;padding-right:20px}
  .prove li{padding:12px 0}
  .tubi{left:8px;width:30px}
  .tubo{width:9px;border-width:1.5px}.tubo.m{left:2px}.tubo.r{left:17px}
  .valvola{width:30px;height:18px}.valvola svg{width:30px;height:18px}
  .cartellino{display:none}
  .tappe li{grid-template-columns:1fr;gap:8px}
  .titolo{font-size:10.6vw}
  .foto-coppia{aspect-ratio:1/1.15}
  .persona{padding:16px 18px}
}