/* ===== COSTRUZIONI MARCHETTI — solid charcoal + amber ===== */
:root{
  --dark:#16181d; --dark2:#1d2026; --panel:#22252c; --amber:#f5a623; --amber2:#ff8a3d;
  --txt:#c9ccd3; --ink:#16181d; --muted:#8a8f99; --bg:#f4f5f7; --line:#2c303a; --linel:#e4e6ea;
  --sans:'Archivo',sans-serif; --cond:'Archivo Narrow',sans-serif; --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:#42454d;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{display:inline-block;font-family:var(--cond);font-size:.82rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--amber);margin-bottom:12px}
.eyebrow--a{color:var(--amber)}
.sec{padding:clamp(64px,8vw,110px) 0}
.head{max-width:620px;margin:0 auto 54px;text-align:center}
.head h2{font-weight:900;font-size:clamp(2rem,4.6vw,3.4rem);color:var(--ink);line-height:1.04;text-transform:uppercase;letter-spacing:-.01em}
.head--light h2{color:#fff}
.lead{color:var(--muted);margin-top:14px;font-size:1.04rem}

.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;padding:16px 32px;cursor:pointer;border:2px solid transparent;transition:.3s;clip-path:polygon(0 0,100% 0,100% 100%,12px 100%,0 calc(100% - 12px))}
.btn--amber{background:var(--amber);color:#16181d}
.btn--amber:hover{background:var(--amber2);transform:translateY(-2px)}
.btn--ghost{border-color:rgba(255,255,255,.3);color:#fff}
.btn--ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn--full{width:100%}

/* header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;padding:18px 0;transition:.35s}
.hdr.scrolled{background:rgba(22,24,29,.95);backdrop-filter:blur(10px);padding:12px 0;border-bottom:2px solid var(--amber)}
.hdr__in{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem;color:#fff;text-transform:uppercase;letter-spacing:.02em}
.logo em{font-style:normal;font-weight:400;color:var(--amber)}
.logo__m{width:40px;height:40px;background:var(--amber);color:#16181d;display:grid;place-items:center;font-weight:900;font-size:.95rem}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-family:var(--cond);font-weight:600;font-size:.95rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.85);transition:.3s}
.nav a:not(.nav__cta):hover{color:var(--amber)}
.nav__cta{background:var(--amber);color:#16181d!important;padding:10px 20px}
.nav__cta:hover{background:var(--amber2)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;z-index:60}
.burger span{width:26px;height:2.5px;background:#fff;transition:.3s}

/* hero */
.hero{position:relative;min-height:96vh;display:flex;align-items:center;background:var(--dark);overflow:hidden}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.85}
.hero__scrim{position:absolute;inset:0;background:linear-gradient(90deg,rgba(22,24,29,.96),rgba(22,24,29,.7) 55%,rgba(22,24,29,.4))}
.hero__in{position:relative;z-index:2;max-width:720px;padding-top:80px}
.tag{display:inline-block;font-family:var(--cond);font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);border-left:3px solid var(--amber);padding-left:14px;margin-bottom:22px}
.hero h1{font-weight:900;font-size:clamp(2.6rem,6.5vw,5rem);color:#fff;line-height:.98;text-transform:uppercase;letter-spacing:-.01em;margin-bottom:22px}
.hero h1 span{color:var(--amber)}
.hero__sub{color:rgba(255,255,255,.8);font-size:1.1rem;max-width:540px;margin-bottom:34px}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero__mini{display:flex;gap:40px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);padding-top:26px}
.hero__mini strong{display:block;font-size:2.2rem;font-weight:900;color:var(--amber);line-height:1}
.hero__mini span{font-family:var(--cond);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.6)}

/* servizi */
.servizi{background:#fff}
.srv__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--linel)}
.srv{padding:40px 34px;border-right:1px solid var(--linel);border-bottom:1px solid var(--linel);transition:.3s;position:relative}
.srv:hover{background:var(--dark);color:#fff}
.srv__n{font-family:var(--cond);font-weight:700;font-size:.9rem;color:var(--amber);letter-spacing:.1em}
.srv h3{font-weight:800;font-size:1.4rem;color:var(--ink);text-transform:uppercase;margin:14px 0 10px;transition:.3s}
.srv:hover h3{color:#fff}
.srv p{color:var(--muted);font-size:.94rem}
.srv:hover p{color:rgba(255,255,255,.7)}

/* progetti */
.progetti{background:var(--bg)}
.pg__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pg{position:relative;height:360px;background-size:cover;background-position:center;overflow:hidden}
.pg::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(22,24,29,.85),transparent 60%);transition:.4s}
.pg__o{position:absolute;left:0;bottom:0;z-index:2;padding:30px 32px}
.pg__o span{font-family:var(--cond);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);font-size:.82rem}
.pg__o h3{color:#fff;font-weight:800;font-size:1.7rem;text-transform:uppercase;margin-top:4px}
.pg:hover{transform:scale(.99)}

/* prima dopo */
.primadopo{background:var(--dark)}
.ba{position:relative;max-width:960px;margin:0 auto;aspect-ratio:10/7;border-radius:6px;overflow:hidden;user-select:none;border:2px solid var(--line)}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba__before{position:absolute;inset:0;width:100%;overflow:hidden;clip-path:inset(0 50% 0 0)}
.ba__before img{width:100%;height:100%;object-fit:cover}
.ba__handle{position:absolute;top:0;bottom:0;left:50%;width:4px;background:var(--amber);transform:translateX(-50%);cursor:ew-resize;z-index:3}
.ba__handle span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;background:var(--amber);color:#16181d;display:grid;place-items:center;font-weight:900;font-size:1.1rem;box-shadow:0 6px 20px rgba(0,0,0,.4)}
.ba__lbl{position:absolute;top:18px;font-family:var(--cond);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem;color:#fff;background:rgba(22,24,29,.7);padding:6px 14px;z-index:2}
.ba__lbl--l{left:18px}.ba__lbl--r{right:18px}

/* dicono */
.dicono{background:#fff}
.dc__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dc{background:var(--bg);border-left:4px solid var(--amber);padding:32px 30px}
.dc__st{color:var(--amber);letter-spacing:.15em;margin-bottom:14px}
.dc p{color:var(--ink);font-size:1.04rem;font-weight:500;line-height:1.55}
.dc footer{margin-top:18px}
.dc footer strong{display:block;color:var(--ink);text-transform:uppercase;font-size:.95rem}
.dc footer span{font-family:var(--cond);color:var(--muted);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase}

/* preventivo */
.preventivo{background:var(--dark2)}
.pv__grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.pv__intro h2{font-weight:900;font-size:clamp(1.8rem,3.8vw,2.8rem);color:#fff;text-transform:uppercase;line-height:1.04;margin-bottom:16px}
.pv__intro p{color:var(--txt);margin-bottom:24px}
.pv__info{list-style:none;display:flex;flex-direction:column;gap:13px}
.pv__info li{display:flex;align-items:center;gap:12px;color:#fff;font-weight:500}
.pv__info span{width:26px;height:26px;background:var(--amber);color:#16181d;display:grid;place-items:center;font-weight:900;flex-shrink:0}
.pv__form{background:#fff;padding:36px;border-top:4px solid var(--amber)}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--cond);font-weight:700;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;border:1.5px solid var(--linel);padding:13px 14px;font-family:var(--sans);font-size:.95rem;color:var(--ink);background:var(--bg)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--amber);background:#fff}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ok{margin-top:14px;text-align:center;color:#1c8a4b;font-weight:600}

/* footer */
.ftr{background:var(--ink);color:rgba(255,255,255,.65);padding-top:60px}
.ftr__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:44px}
.logo--ftr{color:#fff;margin-bottom:12px}
.ftr h4{font-family:var(--cond);color:var(--amber);font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:13px}
.ftr a{display:block;color:rgba(255,255,255,.6);padding:3px 0;transition:.3s}.ftr a:hover{color:var(--amber)}
.ftr p{font-size:.9rem}
.ftr__bar{border-top:1px solid rgba(255,255,255,.1);padding:22px 28px;text-align:center;font-size:.82rem}
.ftr__bar a{color:var(--amber)}

.reveal{opacity:0;transform:translateY(28px);transition:.7s}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .nav{position:fixed;inset:0 0 0 auto;width:80%;max-width:330px;background:var(--dark2);flex-direction:column;justify-content:center;align-items:flex-start;padding:60px 36px;gap:22px;transform:translateX(100%);transition:.4s}
  .nav.open{transform:none}.nav a{font-size:1.05rem}
  .burger{display:flex}
  .burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .srv__grid{grid-template-columns:1fr 1fr}
  .pg__grid{grid-template-columns:1fr}
  .dc__grid{grid-template-columns:1fr}
  .pv__grid{grid-template-columns:1fr;gap:38px}
  .ftr__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:540px){
  .wrap{padding:0 20px}
  .srv__grid{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .hero__mini{gap:24px}
  .ftr__grid{grid-template-columns:1fr}
  .hero__btns .btn{flex:1}
}

/* ===== Protezione demo (Webtre) ===== */
html,body{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none;}
img,picture,svg,video{-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;user-drag:none;}
input,textarea,select,[contenteditable="true"]{-webkit-user-select:text!important;-moz-user-select:text!important;-ms-user-select:text!important;user-select:text!important;}