/* ============ TOKENS ============ */
:root{
  --brown-950:#2b1d12;
  --brown-900:#3a2717;
  --brown-800:#4d3320;
  --brown-700:#6b4728;
  --brown-600:#8a5f38;
  --brown-500:#a97a4c;
  --tan-400:#c99f6f;
  --tan-300:#dcb98c;
  --beige-200:#ecdcc2;
  --beige-100:#f3e6d0;
  --cream-50:#faf3e7;
  --cream-25:#fdf9f2;
  --white:#ffffff;
  --whatsapp:#25d366;
  --whatsapp-dark:#1ea952;
  --ink:#2b1d12;
  --ink-soft:#5c4a37;

  --radius:14px;
  --shadow-md:0 10px 30px rgba(43,29,18,.12);
  --shadow-lg:0 20px 50px rgba(43,29,18,.18);
  --container:1180px;

  --font-head:'Playfair Display', Georgia, serif;
  --font-body:'Jost', system-ui, -apple-system, Segoe UI, sans-serif;
}

/* ============ BRICK PATTERN ============ */
.brick-pattern{
  background-color:var(--brown-600);
  background-image:
    linear-gradient(335deg, var(--brown-950) 25%, transparent 25%),
    linear-gradient(155deg, var(--brown-950) 25%, transparent 25%),
    linear-gradient(335deg, var(--brown-950) 25%, transparent 25%),
    linear-gradient(155deg, var(--brown-950) 25%, transparent 25%);
  background-size:14px 14px;
  background-position:0 1px, 2px 8px, 7px 7px, 9px 0;
}
.brick-strip{
  height:10px;
  width:100%;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream-25);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

h1,h2,h3{font-family:var(--font-head);color:var(--brown-950);margin:0 0 .5em;}
.section-title{
  font-size:clamp(1.7rem,3vw,2.4rem);
  margin-bottom:.3em;
}
.section-sub{
  color:var(--ink-soft);
  max-width:640px;
  margin-bottom:2.2rem;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:.85rem 1.6rem;
  border-radius:999px;
  font-weight:600;
  font-size:.98rem;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:var(--brown-700);
  color:var(--cream-50);
  box-shadow:var(--shadow-md);
}
.btn-primary:hover{background:var(--brown-800);}
.btn-whatsapp{
  background:var(--whatsapp);
  color:#fff;
}
.btn-whatsapp:hover{background:var(--whatsapp-dark);}
.btn-lg{padding:1rem 2rem;font-size:1.05rem;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(250,243,231,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--beige-200);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  height:76px;
}
.logo{display:flex;align-items:center;gap:.65rem;}
.logo-mark{
  width:42px;height:42px;
  object-fit:contain;
  flex-shrink:0;
}
.logo-text{
  font-family:var(--font-head);
  font-weight:700;
  font-size:1.15rem;
  color:var(--brown-950);
  line-height:1.1;
  display:flex;
  flex-direction:column;
}
.logo-text small{
  font-family:var(--font-body);
  font-weight:500;
  font-size:.68rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--brown-600);
}
.nav-desktop{
  display:flex;
  gap:2rem;
  margin-left:auto;
}
.nav-desktop a{
  font-weight:500;
  color:var(--brown-900);
  position:relative;
  padding:.3rem 0;
}
.nav-desktop a::after{
  content:'';
  position:absolute;
  left:0;bottom:-2px;
  width:0;height:2px;
  background:var(--brown-600);
  transition:width .2s ease;
}
.nav-desktop a:hover::after{width:100%;}
.nav-cta{margin-left:1.5rem;}

.hamburger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;height:42px;
  background:none;
  border:none;
  cursor:pointer;
  padding:0;
}
.hamburger span{
  display:block;
  height:2px;
  width:24px;
  background:var(--brown-900);
  margin:0 auto;
  transition:transform .25s ease, opacity .25s ease;
}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-menu{
  display:flex;
  flex-direction:column;
  gap:.25rem;
  max-height:0;
  overflow:hidden;
  background:var(--cream-50);
  border-bottom:1px solid var(--beige-200);
  transition:max-height .3s ease, padding .3s ease;
  padding:0 24px;
}
.mobile-menu.open{
  max-height:400px;
  padding:1rem 24px 1.5rem;
}
.mobile-menu a{
  padding:.7rem 0;
  font-weight:500;
  border-bottom:1px solid var(--beige-200);
  color:var(--brown-900);
}
.mobile-menu a.btn{border-bottom:none;margin-top:.4rem;}

/* ============ HERO ============ */
.hero{
  position:relative;
  min-height:86vh;
  display:flex;
  align-items:center;
  background:
    linear-gradient(160deg, rgba(43,29,18,.80), rgba(58,39,23,.72)),
    url('assets/img/hero-crane.jpg') center/cover no-repeat;
  color:var(--cream-50);
  overflow:hidden;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(to top, rgba(20,13,7,.75), rgba(20,13,7,0) 55%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:1;
  max-width:760px;
  padding-top:3rem;
  padding-bottom:3rem;
}
.hero-kicker{
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.82rem;
  font-weight:600;
  color:var(--tan-300);
  margin-bottom:1rem;
}
.hero h1{
  color:#fff;
  font-size:clamp(2.1rem,5vw,3.4rem);
  line-height:1.15;
  margin-bottom:1rem;
}
.hero-sub{
  font-size:1.08rem;
  color:var(--beige-200);
  max-width:560px;
  margin-bottom:2.2rem;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
}

/* ============ WORKS / GALLERY ============ */
.works{
  padding:5.5rem 0;
  background:var(--cream-25);
}
/* Filtri per sezione */
.works-filters{
  display:flex;
  flex-wrap:wrap;
  gap:.6rem;
  margin-bottom:2.5rem;
}
.filter-btn{
  padding:.55rem 1.2rem;
  border-radius:999px;
  border:1.5px solid var(--tan-300);
  background:transparent;
  color:var(--brown-800);
  font-family:var(--font-body);
  font-size:.86rem;
  font-weight:500;
  cursor:pointer;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.filter-btn:hover{border-color:var(--brown-600);}
.filter-btn.active{
  background:var(--brown-700);
  border-color:var(--brown-700);
  color:#fff;
}

/* Carosello */
.carousel{
  position:relative;
  display:flex;
  align-items:center;
  gap:.8rem;
}
.carousel-track-wrap{
  overflow:hidden;
  flex:1;
  min-width:0;
}
.carousel-track{
  display:flex;
  gap:1.5rem;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  padding:.5rem 0 1rem;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.carousel-track::-webkit-scrollbar{display:none;}
.carousel-nav{
  flex-shrink:0;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--tan-300);
  background:var(--cream-50);
  color:var(--brown-800);
  font-size:.95rem;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .2s ease, transform .15s ease;
  z-index:2;
}
.carousel-nav:hover{background:var(--beige-200);transform:scale(1.06);}

.work-card{
  position:relative;
  flex:0 0 clamp(240px, 32vw, 340px);
  scroll-snap-align:start;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-md);
  aspect-ratio:4/3;
  cursor:zoom-in;
}
.work-card.filtered-out{display:none;}

/* Effetto reveal "a scomparsa": le card compaiono con ombra man mano che entrano nello scroll */
.work-card.reveal{
  opacity:0;
  transform:translateY(36px) scale(.97);
  box-shadow:none;
  transition:opacity .7s ease, transform .7s ease, box-shadow .7s ease;
}
.work-card.reveal.in-view{
  opacity:1;
  transform:translateY(0) scale(1);
  box-shadow:var(--shadow-lg);
}

.work-img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  background:var(--beige-100);
  transition:transform .5s ease;
}
.work-card:hover .work-img{transform:scale(1.07);}

/* Sostituire gli url() con le foto reali dei cantieri quando disponibili */
.ph-1{background-image:url('assets/img/lavoro-ristrutturazioni.jpg');}
.ph-2{background-image:url('assets/img/lavoro-nuove-costruzioni.jpg');}
.ph-3{background-image:url('assets/img/lavoro-facciate.jpg');}
.ph-4{background-image:url('assets/img/lavoro-tetti.jpg');}
.ph-5{background-image:url('assets/img/lavoro-manutenzioni.jpg');}
.ph-6{background-image:url('assets/img/lavoro-murature.jpg');}

.work-label{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:1.3rem 1.3rem 1rem;
  background:linear-gradient(to top, rgba(20,13,7,.88), rgba(20,13,7,0));
  color:#fff;
}
.work-label h3{color:#fff;font-size:1.15rem;margin-bottom:.15em;}
.work-label p{margin:0;font-size:.88rem;color:var(--beige-200);}

.works-note{
  margin-top:1.8rem;
  font-size:.82rem;
  color:var(--ink-soft);
  font-style:italic;
}

/* ============ STORYTELLING ============ */
.story{
  padding:5.5rem 0;
  background:var(--brown-950);
  color:var(--beige-200);
}
.story-inner{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:3.5rem;
  align-items:center;
}
.story-media{position:relative;}
.story-media img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
}
.story-text .hero-kicker{color:var(--tan-300);}
.story-text h2{
  color:#fff;
  font-size:clamp(1.8rem,3.2vw,2.4rem);
}
.story-text p{
  color:var(--beige-200);
  font-size:1.05rem;
}
.story-slogan{
  font-family:var(--font-head);
  font-style:italic;
  font-size:1.35rem;
  color:var(--tan-300);
  border-left:3px solid var(--brown-600);
  padding-left:1.1rem;
  margin:1.6rem 0;
}
.story-stats{
  display:flex;
  flex-wrap:wrap;
  gap:2.2rem;
  margin-top:1.8rem;
  padding-top:1.8rem;
  border-top:1px solid rgba(255,255,255,.12);
}
.story-stats div{display:flex;flex-direction:column;}
.story-stats strong{
  font-family:var(--font-head);
  font-size:1.7rem;
  color:#fff;
}
.story-stats span{
  font-size:.78rem;
  color:var(--tan-300);
  text-transform:uppercase;
  letter-spacing:.06em;
}

/* ============ ABOUT ============ */
.about{
  padding:5rem 0;
  background:var(--beige-100);
}
.about-inner{max-width:720px;}
.about p{color:var(--ink-soft);font-size:1.05rem;}
.about-list{margin-top:1.3rem;}
.about-list li{
  padding:.5rem 0 .5rem 1.8rem;
  position:relative;
  color:var(--brown-900);
  font-weight:500;
}
.about-list li::before{
  content:'✓';
  position:absolute;
  left:0;
  color:var(--brown-600);
  font-weight:700;
}

/* ============ CONTACT ============ */
.contact{
  padding:5.5rem 0;
  background:var(--cream-25);
}
.contact-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3rem;
  align-items:stretch;
}
.contact-actions{
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
  margin:1.5rem 0 2rem;
}
.contact-details p{margin:.3rem 0;color:var(--ink-soft);}
.contact-details a{color:var(--brown-700);font-weight:600;}
.map-pin{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  margin-top:1.6rem;
  padding:.7rem 1.2rem;
  background:var(--beige-100);
  border:1px solid var(--tan-300);
  border-radius:999px;
  font-weight:600;
  color:var(--brown-800);
  transition:background .2s ease;
}
.map-pin:hover{background:var(--beige-200);}
.map-pin-icon{color:var(--brown-700);display:flex;}

.contact-map{
  border-radius:var(--radius);
  overflow:hidden;
  min-height:320px;
  box-shadow:var(--shadow-md);
}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--brown-950);
  color:var(--beige-200);
  padding-top:3.5rem;
}
.footer-inner{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:2rem;
  padding-bottom:2.5rem;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{
  margin:.5rem 0 0;
  font-size:.82rem;
  color:var(--tan-300);
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:1.6rem;
}
.footer-links a{
  font-size:.9rem;
  color:var(--beige-200);
}
.footer-links a:hover{color:#fff;}
.footer-social{
  display:flex;
  gap:1rem;
}
.footer-social:empty{display:none;}
.footer-bottom{
  padding:1.3rem 0;
  text-align:center;
  font-size:.8rem;
  color:var(--tan-300);
}

/* ============ WHATSAPP FLOAT ============ */
.whatsapp-float{
  position:fixed;
  right:22px;
  bottom:22px;
  width:58px;height:58px;
  background:var(--whatsapp);
  color:#fff;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--shadow-lg);
  z-index:90;
  transition:transform .2s ease;
}
.whatsapp-float:hover{transform:scale(1.08);}

/* ============ LIGHTBOX ============ */
.lightbox{
  position:fixed;
  inset:0;
  background:rgba(20,13,7,.94);
  display:flex;
  align-items:center;
  justify-content:center;
  gap:1rem;
  padding:2rem;
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease;
  z-index:200;
}
.lightbox.open{opacity:1;pointer-events:auto;}
.lightbox-content{max-width:min(880px, 88vw);text-align:center;}
.lightbox-content img{
  max-width:100%;
  max-height:78vh;
  border-radius:12px;
  box-shadow:var(--shadow-lg);
}
.lightbox-content p{
  color:var(--beige-200);
  margin-top:1.1rem;
  font-family:var(--font-head);
  font-size:1.1rem;
}
.lightbox-close{
  position:absolute;
  top:20px;right:24px;
  background:none;
  border:none;
  color:#fff;
  font-size:2.3rem;
  line-height:1;
  cursor:pointer;
}
.lightbox-nav{
  flex-shrink:0;
  background:rgba(255,255,255,.1);
  border:none;
  color:#fff;
  width:48px;height:48px;
  border-radius:50%;
  font-size:1.2rem;
  cursor:pointer;
  transition:background .2s ease;
}
.lightbox-nav:hover{background:rgba(255,255,255,.22);}

/* ============ RESPONSIVE ============ */
@media (max-width:900px){
  .contact-inner{grid-template-columns:1fr;}
  .contact-map{min-height:280px;}
  .story-inner{grid-template-columns:1fr;}
  .story-media img{aspect-ratio:16/9;}
}

@media (max-width:760px){
  .nav-desktop,.nav-cta{display:none;}
  .hamburger{display:flex;}
  .hero{min-height:auto;padding:2rem 0;}
  .story-stats{gap:1.4rem;}
  .work-card{flex-basis:78vw;}
  .carousel-nav{width:36px;height:36px;font-size:.8rem;}
  .lightbox-nav{width:40px;height:40px;}
}