*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#0B2545;--navy-mid:#163d6e;--blue:#1E6FBD;--sky:#3EA8E5;
  --light-blue:#AED9F7;--pale:#E8F4FC;--white:#F9FCFF;
  --gray:#5A6B7A;--gray-light:#C4D5E5;
  --nav-h:96px;
}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{font-family:'Outfit',sans-serif;background:var(--white);color:var(--navy);font-size:16px;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit}

/* ── NAV ── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 2rem;background:rgba(11,37,69,.97);
  border-bottom:1px solid rgba(255,255,255,.1);backdrop-filter:blur(8px);
}
.nav-logo img{height:76px;width:auto}
.nav-links{display:flex;gap:1.8rem;list-style:none}
.nav-links a{text-decoration:none;color:rgba(255,255,255,.85);font-size:.82rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;transition:color .2s}
.nav-links a:hover{color:var(--sky)}

.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none}
.hamburger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

.mobile-menu{
  display:none;position:fixed;top:var(--nav-h);left:0;right:0;z-index:99;
  background:var(--white);padding:1rem 2rem 1.5rem;flex-direction:column;
  box-shadow:0 8px 24px rgba(11,37,69,.1);
}
.mobile-menu.open{display:flex}
.mobile-menu a{text-decoration:none;color:var(--navy);font-size:1rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;padding:.8rem 0;border-bottom:1px solid var(--gray-light)}
.mobile-menu a:last-child{border-bottom:none}

/* ── COMMON ── */
section{padding:5rem 4rem}
.label{font-size:.68rem;font-weight:600;letter-spacing:.25em;text-transform:uppercase;color:var(--sky);margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}
.label::before{content:'';display:inline-block;width:1.5rem;height:2px;background:var(--sky)}
.title{font-family:'Playfair Display',serif;font-size:clamp(1.8rem,3vw,2.6rem);font-weight:500;color:var(--navy);line-height:1.2;margin-bottom:1.5rem}
.dark{background:var(--navy)}
.dark .title{color:#fff}
.pale{background:var(--pale)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.5rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:2.5rem}
.btn{display:inline-block;padding:.9rem 2.2rem;background:var(--sky);color:#fff;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600;text-decoration:none;border-radius:4px;transition:background .2s}
.btn:hover{background:var(--blue)}

/* ── HERO ── */
.hero{min-height:80vh;position:relative;display:flex;align-items:center;padding:calc(var(--nav-h) + 2rem) 0 3rem;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('../img/hero-idraulico.jpg') 70% 25%/cover no-repeat}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,37,69,.9) 0%,rgba(11,37,69,.68) 50%,rgba(11,37,69,.15) 100%)}
.hero-content{position:relative;z-index:2;max-width:640px;padding:0 4rem}
.hero .label{margin-bottom:1.5rem}
.hero .label::before{width:2rem}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(2.2rem,4vw,3.8rem);font-weight:500;line-height:1.12;color:#fff;margin-bottom:1.5rem}
.hero h1 em{color:var(--sky);font-style:italic}
.hero-desc{color:rgba(174,217,247,.9);font-weight:300;font-size:1rem;max-width:460px;margin-bottom:2.5rem;line-height:1.75}
.hero-stats{display:flex;gap:2.5rem;margin-bottom:3rem;flex-wrap:wrap}
.hero-stats b{font-family:'Playfair Display',serif;font-size:2.2rem;font-weight:600;color:var(--sky);display:block;line-height:1.3}
.hero-stats span{font-size:.68rem;color:rgba(255,255,255,.6);letter-spacing:.06em;text-transform:uppercase}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.hero-content>*{animation:fadeUp .6s both}
.hero-content>:nth-child(2){animation-delay:.15s}
.hero-content>:nth-child(3){animation-delay:.3s}
.hero-content>:nth-child(4){animation-delay:.45s}
.hero-content>:nth-child(5){animation-delay:.6s}

/* ── CHI SIAMO ── */
#chi-siamo .title{font-size:clamp(2rem,3.5vw,3rem);margin-bottom:2rem}
#chi-siamo p:not(.label){color:var(--gray);font-weight:300;line-height:1.75;font-size:.95rem;margin-bottom:1rem;max-width:720px}

/* ── SERVIZI ── */
.servizi-head{display:flex;justify-content:space-between;align-items:flex-end;gap:3rem;flex-wrap:wrap}
.servizi-head .title{margin-bottom:0}
.servizi-head>p{max-width:380px;color:var(--gray);font-weight:300;line-height:1.8;font-size:.95rem}
.card{background:var(--white);border-radius:8px;overflow:hidden;box-shadow:0 2px 16px rgba(11,37,69,.08);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(11,37,69,.14)}
.card-img{height:200px;position:relative;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover}
.tag{position:absolute;bottom:.75rem;left:.75rem;background:var(--sky);color:#fff;font-size:.65rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:.3rem .7rem;border-radius:3px}
.card-body{padding:1.6rem}
.card h3{font-family:'Playfair Display',serif;font-size:1.15rem;font-weight:500;color:var(--navy);margin-bottom:.6rem}
.card p{font-size:.85rem;color:var(--gray);line-height:1.7;font-weight:300}

/* ── COME LAVORIAMO ── */
#lavori{padding:3.5rem 4rem}
#lavori .title{font-size:clamp(1.4rem,2.5vw,2rem);margin-bottom:2rem}
.steps{display:grid;grid-template-columns:repeat(3,1fr)}
.step{padding:1.5rem 2rem;border-right:1px solid rgba(255,255,255,.1)}
.step:first-child{padding-left:0}
.step:last-child{padding-right:0;border-right:none}
.step-num{font-size:.65rem;font-weight:700;letter-spacing:.15em;color:var(--sky);margin-bottom:.5rem}
.step h3{font-size:1rem;font-weight:500;color:#fff;margin-bottom:.5rem}
.step p{font-size:.82rem;color:rgba(174,217,247,.7);font-weight:300;line-height:1.7}

/* ── PERCHÉ NOI ── */
.feature{background:var(--pale);padding:2rem;border-radius:8px;border-bottom:3px solid var(--sky)}
.feature svg{width:32px;height:32px;margin-bottom:1rem}
.feature h3{font-size:1rem;font-weight:600;color:var(--navy);margin-bottom:.5rem}
.feature p{color:var(--gray);font-size:.85rem;font-weight:300;line-height:1.7}

/* ── RECENSIONI ── */
.review{background:rgba(255,255,255,.06);border:1px solid rgba(62,168,229,.15);border-radius:8px;padding:2rem;display:flex;flex-direction:column}
.stars{color:var(--sky);font-size:1.1rem;letter-spacing:.1em;margin-bottom:1.2rem}
.review blockquote{color:rgba(174,217,247,.9);font-size:.9rem;font-weight:300;line-height:1.8;font-style:italic;margin-bottom:1.5rem;flex:1}
.review footer{border-top:1px solid rgba(255,255,255,.1);padding-top:1rem}
.review-name{font-size:.85rem;font-weight:500;color:#fff}
.review-place{font-size:.75rem;color:#8a9bab}

/* ── CONTATTI ── */
#contatti{display:grid;grid-template-columns:1fr 1.2fr;gap:4rem;align-items:start}
.contact-info>p:not(.label){color:var(--gray);font-weight:300;line-height:1.8;margin-bottom:2rem}
.contact-detail{display:flex;align-items:flex-start;gap:.9rem;margin-bottom:1.2rem}
.contact-icon{width:36px;height:36px;background:var(--pale);border:1px solid var(--light-blue);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-icon svg{width:15px;height:15px;color:var(--blue)}
.contact-detail strong{display:block;font-size:.65rem;letter-spacing:.15em;text-transform:uppercase;color:var(--gray);margin-bottom:.15rem}
.contact-detail a,.contact-detail span{font-size:.92rem;color:var(--navy);text-decoration:none}
.contact-detail a:hover{color:var(--blue)}
.contact-form{background:var(--pale);padding:2.5rem;border-top:3px solid var(--sky);border-radius:0 0 8px 8px}
.form-title{font-family:'Playfair Display',serif;font-size:1.4rem;font-weight:500;color:var(--navy);margin-bottom:.4rem}
.form-sub{font-size:.8rem;color:var(--gray);margin-bottom:1.6rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-group{margin-bottom:.9rem}
.form-group label{display:block;font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--navy-mid);margin-bottom:.3rem;font-weight:600}
.form-group input,.form-group textarea{
  width:100%;padding:.65rem .85rem;background:var(--white);
  border:1px solid var(--gray-light);color:var(--navy);
  font-family:'Outfit',sans-serif;font-size:.9rem;font-weight:300;
  outline:none;transition:border-color .2s;border-radius:4px;-webkit-appearance:none
}
.form-group input:focus,.form-group textarea:focus{border-color:var(--sky)}
.form-group textarea{resize:vertical;min-height:110px}
.hp{position:absolute;left:-9999px}
.btn-submit{width:100%;padding:.85rem 2rem;background:var(--blue);color:#fff;border:none;font-family:'Outfit',sans-serif;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600;cursor:pointer;transition:background .2s;border-radius:4px;margin-top:.4rem}
.btn-submit:hover{background:var(--navy)}
.btn-submit:disabled{opacity:.6;cursor:wait}
.form-success{text-align:center;padding:2rem}
.form-success[hidden]{display:none}
.form-success-icon{width:48px;height:48px;background:#fff;border-radius:50%;border:2px solid var(--sky);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem}
.form-success h3{font-family:'Playfair Display',serif;font-size:1.3rem;color:var(--navy);margin-bottom:.5rem}
.form-success p{font-size:.85rem;color:var(--gray)}

/* ── FOOTER ── */
.site-footer{background:var(--navy);padding:2rem 2.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.site-footer img{height:48px;width:auto;opacity:.9}
.site-footer p{font-size:.75rem;color:rgba(255,255,255,.45)}

/* ── TABLET ≤ 900px ── */
@media(max-width:900px){
  :root{--nav-h:72px}
  .nav{padding:0 1.5rem}
  .nav-logo img{height:56px}
  .nav-links{display:none}
  .hamburger{display:flex}
  section,#lavori{padding:4rem 2rem}
  .hero{padding-left:0;padding-right:0}
  .hero-content{padding:0 2rem}
  .hero-shade{background:linear-gradient(90deg,rgba(11,37,69,.9),rgba(11,37,69,.6))}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .step,.step:first-child,.step:last-child{padding:1.2rem 0;border-right:none;border-bottom:1px solid rgba(255,255,255,.1)}
  .step:last-child{border-bottom:none}
  #contatti{grid-template-columns:1fr;gap:2.5rem}
  .site-footer{flex-direction:column;align-items:flex-start;padding:1.5rem 2rem}
}

/* ── MOBILE ≤ 600px ── */
@media(max-width:600px){
  :root{--nav-h:64px}
  .nav{padding:0 1rem}
  .nav-logo img{height:48px}
  section,#lavori{padding:3rem 1rem}
  .hero{min-height:auto}
  .hero-content{padding:0 1rem}
  .hero h1{font-size:2.1rem}
  .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
  .hero-stats b{font-size:1.7rem}
  .hero-stats span{font-size:.6rem;display:block;line-height:1.4}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:1.6rem 1.2rem}
  .site-footer{padding:1.2rem 1rem}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}