/* =========================================================================
   Futura Costruzioni — stylesheet
   Palette: bianco/avorio, antracite, accento ottone/terra
   ========================================================================= */
:root{
    --bg:#ffffff;
    --bg-alt:#eef1f7;        /* azzurro grigio chiarissimo */
    --ink:#222831;
    --ink-soft:#5a6472;
    --line:#dde3ee;
    --accent:#5b729e;        /* BLU AZIENDALE (dal logo) */
    --accent-dark:#475a82;
    --dark:#37486a;          /* blu profondo per sezioni scure */
    --dark-2:#2c3a57;        /* blu ancora più profondo (footer) */
    --white:#ffffff;
    --radius:14px;
    --shadow:0 14px 40px rgba(28,28,30,.10);
    --shadow-sm:0 6px 18px rgba(28,28,30,.08);
    --maxw:1180px;
    --serif:'Cormorant Garamond',Georgia,serif;
    --sans:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:var(--sans);
    color:var(--ink);
    background:var(--bg);
    line-height:1.65;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.12;margin:0 0 .4em;letter-spacing:.2px}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.8rem,3.5vw,2.7rem)}
h3{font-size:1.35rem}
p{margin:0 0 1rem}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- bottoni ---------- */
.btn{
    display:inline-block;padding:.85rem 1.7rem;border-radius:50px;
    font-weight:500;font-size:.95rem;letter-spacing:.3px;cursor:pointer;
    border:1.5px solid transparent;transition:.25s ease;text-align:center;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--accent)}
.btn-outline:hover{background:var(--accent);color:#fff}
.btn-block{display:block;width:100%}

.kicker{font-family:var(--sans);text-transform:uppercase;letter-spacing:3px;font-size:.72rem;font-weight:600;color:var(--accent);margin:0 0 .8rem}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:.3s}
.site-header.is-scrolled{background:rgba(255,255,255,.98);box-shadow:0 4px 20px rgba(28,28,30,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center}
.brand-logo{height:44px;width:auto;color:var(--accent);display:block;transition:opacity .2s}
.brand:hover .brand-logo{opacity:.82}

.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{font-size:.92rem;font-weight:500;color:var(--ink-soft);position:relative;padding:6px 0;transition:.2s}
.main-nav a:hover,.main-nav a.is-active{color:var(--ink)}
.main-nav a:not(.nav-cta).is-active::after,.main-nav a:not(.nav-cta):hover::after{
    content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--accent)
}
.nav-cta{background:var(--accent);color:#fff!important;padding:.55rem 1.2rem!important;border-radius:50px}
.nav-cta:hover{background:var(--accent-dark)}
.nav-cta::after{display:none!important}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:26px;height:2px;background:var(--ink);transition:.3s}

/* ---------- hero ---------- */
.hero{
    position:relative;min-height:88vh;display:flex;align-items:center;
    background-size:cover;background-position:center;color:#fff;
}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(110deg,rgba(28,38,58,.82) 0%,rgba(35,47,71,.52) 55%,rgba(35,47,71,.30) 100%)}
.hero-content{position:relative;max-width:760px;padding-top:40px;padding-bottom:40px}
.hero-kicker{text-transform:uppercase;letter-spacing:4px;font-size:.78rem;font-weight:600;color:#c4d0e6;margin-bottom:1.1rem}
.hero-title{color:#fff;margin-bottom:1.2rem}
.hero-sub{font-size:1.12rem;color:rgba(255,255,255,.9);max-width:600px;margin-bottom:2rem;font-weight:300}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);color:#fff;font-size:1.1rem;opacity:.8;animation:bob 2s infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ---------- values ---------- */
.values{background:var(--dark);color:#fff;padding:64px 0}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:34px}
.value{text-align:center}
.value-icon{font-size:2rem;display:block;margin-bottom:.6rem}
.value h3{color:#fff;font-size:1.2rem;margin-bottom:.4rem}
.value p{color:rgba(255,255,255,.72);font-size:.92rem;margin:0}

/* ---------- sections ---------- */
.section{padding:86px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:680px;margin:0 auto 54px;text-align:center}
.section-lead{color:var(--ink-soft);font-size:1.08rem}
.section-cta{text-align:center;margin-top:46px}

/* ---------- grids / cards ---------- */
.grid{display:grid;gap:30px}
.grid-3{grid-template-columns:repeat(3,1fr)}

.card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
    box-shadow:var(--shadow-sm);transition:.3s;display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--dark)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:.5s}
.card:hover .card-media img{transform:scale(1.06)}
.card-media.no-img{display:grid;place-items:center;background:linear-gradient(135deg,var(--dark) 0%,var(--dark-2) 100%)}
.card-mark{width:80px;height:auto;color:rgba(255,255,255,.32)}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.card-title{margin-bottom:.15rem;font-size:1.5rem}
.card-loc{color:var(--accent);font-size:.82rem;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:.7rem;font-weight:600}
.card-sum{color:var(--ink-soft);font-size:.95rem;margin-bottom:1rem;flex:1}
.card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:1.1rem}
.chip{font-size:.72rem;padding:.3rem .7rem;border-radius:50px;background:var(--bg-alt);color:var(--ink-soft);font-weight:500;border:1px solid var(--line)}
.chip-year{background:var(--dark);color:#fff;border-color:var(--dark)}
.card-link{color:var(--accent);font-weight:600;font-size:.9rem}

/* badge stato */
.badge{position:absolute;top:14px;left:14px;font-size:.7rem;font-weight:600;letter-spacing:.5px;text-transform:uppercase;padding:.35rem .75rem;border-radius:50px;color:#fff;backdrop-filter:blur(4px)}
.badge-finito{background:rgba(46,125,80,.92)}
.badge-costruzione{background:rgba(91,114,158,.96)}
.badge-progettazione{background:rgba(90,100,114,.92)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split-reverse .split-media{order:2}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}
.split-text h2{margin-bottom:1rem}
.split-text p{color:var(--ink-soft)}

/* ---------- cta ---------- */
.cta{background:var(--dark);color:#fff;padding:80px 0;text-align:center}
.cta-inner{max-width:640px;margin:0 auto}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.78);margin-bottom:1.8rem}
.cta .hero-actions{justify-content:center}

/* ---------- page hero (interne) ---------- */
.page-hero{background:var(--bg-alt);padding:72px 0 60px;border-bottom:1px solid var(--line);text-align:center}
.page-hero h1{margin-bottom:.5rem}
.page-lead{color:var(--ink-soft);font-size:1.1rem;max-width:680px;margin:0 auto}

/* ---------- detail ---------- */
.detail-hero{position:relative;min-height:60vh;display:flex;align-items:flex-end;background-size:cover;background-position:center;color:#fff}
.detail-hero--plain{background:var(--dark);min-height:40vh}
.detail-hero-content{position:relative;padding-bottom:46px}
.back-link{display:inline-block;color:rgba(255,255,255,.85);font-size:.85rem;margin-bottom:1rem;font-weight:500}
.back-link:hover{color:#fff}
.detail-hero-content h1{color:#fff;margin:.6rem 0 .2rem}
.detail-hero-content .badge{position:static;display:inline-block}
.detail-loc{color:#c4d0e6;text-transform:uppercase;letter-spacing:2px;font-size:.82rem;font-weight:600}

.detail-layout{display:grid;grid-template-columns:1fr 340px;gap:54px;align-items:start;margin-bottom:60px}
.detail-summary{font-size:1.25rem;font-family:var(--serif);color:var(--ink);line-height:1.5;margin-bottom:1.4rem}
.detail-main p{color:var(--ink-soft)}
.detail-subtitle{margin:2rem 0 1rem;padding-bottom:.5rem;border-bottom:2px solid var(--line);font-size:1.5rem}
.feature-list{list-style:none;padding:0;margin:0}
.feature-list li{position:relative;padding:.5rem 0 .5rem 2rem;color:var(--ink-soft);border-bottom:1px solid var(--line)}
.feature-list li::before{content:"✓";position:absolute;left:0;top:.5rem;color:var(--accent);font-weight:700}

.spec-card{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:sticky;top:96px}
.spec-card h4{font-size:1.3rem;margin-bottom:1rem}
.spec-card dl{display:grid;grid-template-columns:1fr;gap:0;margin:0 0 1.4rem}
.spec-card dt{font-size:.72rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);font-weight:600;margin-top:.9rem}
.spec-card dd{margin:.1rem 0 0;color:var(--ink);font-weight:500}

.video-wrap{position:relative;padding-bottom:56.25%;height:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-top:1rem}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-item{border-radius:10px;overflow:hidden;aspect-ratio:4/3;cursor:zoom-in;box-shadow:var(--shadow-sm)}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gallery-item:hover img{transform:scale(1.07)}

/* ---------- contatti ---------- */
.contact-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:54px;align-items:start}
.contact-list{list-style:none;padding:0;margin:0 0 2rem}
.contact-list li{display:flex;flex-direction:column;padding:.9rem 0;border-bottom:1px solid var(--line)}
.ci-label{font-size:.72rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);font-weight:600;margin-bottom:.2rem}
.map-wrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line)}

.contact-form-wrap{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.contact-form .field{margin-bottom:1.1rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-form label{display:block;font-size:.82rem;font-weight:600;margin-bottom:.4rem;color:var(--ink)}
.contact-form input,.contact-form textarea{
    width:100%;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:10px;
    font-family:inherit;font-size:.95rem;background:#fff;transition:.2s;color:var(--ink);
}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(91,114,158,.18)}
.contact-form textarea{resize:vertical}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:.78rem;color:var(--ink-soft);margin-top:.8rem}
.form-alert{padding:1rem 1.2rem;border-radius:10px;margin-bottom:1.4rem;font-size:.92rem}
.form-alert.is-ok{background:#e7f4ea;color:#1e6b3a;border:1px solid #bfe3c9}
.form-alert.is-error{background:#fbecec;color:#a23b3b;border:1px solid #f0cccc}

/* ---------- footer ---------- */
.site-footer{background:var(--dark-2);color:rgba(255,255,255,.78)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.4fr;gap:40px;padding:60px 24px 44px}
.footer-logo{height:56px;width:auto;color:#fff;display:block;margin-bottom:1.1rem}
.footer-claim{font-size:.9rem;margin:0;max-width:300px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:1rem;font-family:var(--sans);font-weight:600;letter-spacing:.5px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:.55rem;font-size:.92rem}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-contacts li{color:rgba(255,255,255,.7)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12)}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:20px;padding-bottom:20px;font-size:.82rem;color:rgba(255,255,255,.55)}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(15,17,15,.94);display:none;align-items:center;justify-content:center}
.lightbox.is-open{display:flex}
.lb-img{max-width:90vw;max-height:86vh;border-radius:6px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb-close,.lb-prev,.lb-next{position:absolute;background:rgba(255,255,255,.12);border:0;color:#fff;cursor:pointer;border-radius:50%;transition:.2s}
.lb-close{top:24px;right:28px;width:46px;height:46px;font-size:1.8rem;line-height:1}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:54px;height:54px;font-size:2rem;line-height:1}
.lb-prev{left:24px}.lb-next{right:24px}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:var(--accent)}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none}
    html{scroll-behavior:auto}
    .hero-scroll{animation:none}
}

/* ---------- responsive ---------- */
@media(max-width:980px){
    .grid-3{grid-template-columns:repeat(2,1fr)}
    .values-grid{grid-template-columns:repeat(2,1fr);gap:30px 24px}
    .detail-layout{grid-template-columns:1fr}
    .spec-card{position:static}
    .contact-layout{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
    .nav-toggle{display:flex}
    .main-nav{
        position:fixed;top:74px;right:0;width:min(80vw,320px);height:calc(100vh - 74px);
        background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:20px 26px;
        box-shadow:-10px 0 40px rgba(0,0,0,.12);transform:translateX(110%);transition:.3s;border-left:1px solid var(--line);
    }
    .main-nav.is-open{transform:translateX(0)}
    .main-nav a{width:100%;padding:14px 0;border-bottom:1px solid var(--line);font-size:1rem}
    .nav-cta{margin-top:14px;text-align:center}
    .split,.split-reverse .split-media{order:0}
    .split{grid-template-columns:1fr;gap:30px}
    .gallery{grid-template-columns:repeat(2,1fr)}
    .section{padding:60px 0}
    .hero{min-height:78vh}
}
@media(max-width:520px){
    .grid-3,.values-grid,.field-row,.footer-grid{grid-template-columns:1fr}
    .gallery{grid-template-columns:1fr 1fr}
    .footer-bottom .container{flex-direction:column}
}