/* ===========================================================
   MARINELLI SMART BUILDING — foglio di stile principale
   Tutte le pagine caricano questo unico file. I colori e i
   font sono definiti come variabili qui sotto: cambiando i
   valori in :root si aggiorna automaticamente tutto il sito.
=========================================================== */

:root{
  --bg:#F5F8F8;
  --surface:#FFFFFF;
  --text:#1E2A2C;
  --muted:#5C6C6E;
  --line:#DCE7E7;
  --accent:#00606C;
  --accent-2:#00909C;
  --accent-soft:#DEEEEF;
  --accent-contrast:#FFFFFF;
  --font-display:'Spectral', Georgia, serif;
  --font-body:'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container:1180px;
  --radius-lg:26px;
  --radius-md:18px;
  --radius-sm:10px;
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; }
button{ font-family:inherit; }
*:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }

h1,h2,h3,h4{
  font-family:var(--font-display);
  line-height:1.15;
  margin:0 0 .5em;
  text-wrap:balance;
}
p{ margin:0 0 1em; }

.container{
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:24px;
}

.eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:10px;
}

.section-title{ font-size:clamp(22px,2.6vw,30px); }

.muted{ color:var(--muted); }

section.pad{ padding-block:64px; }
@media (max-width:760px){ section.pad{ padding-block:44px; } }

.max-copy{ max-width:60ch; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  padding:13px 26px;
  border-radius:100px;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .15s ease, color .15s ease, border-color .15s ease, transform .1s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--accent); color:var(--accent-contrast); }
.btn-primary:hover{ background:var(--accent-2); }
.btn-secondary{ background:transparent; color:var(--text); border-color:var(--line); }
.btn-secondary:hover{ border-color:var(--accent); color:var(--accent); }
.btn-on-photo{ color:#fff; border-color:rgba(255,255,255,.6); }
.btn-on-photo:hover{ background:rgba(255,255,255,.15); }

/* =========================================================
   HEADER
========================================================= */
#site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(245,248,248,.92);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--container);
  margin-inline:auto;
  padding:14px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; }
.brand img{ height:34px; width:auto; }
.main-nav{ display:flex; align-items:center; gap:26px; }
.main-nav a{
  font-size:14.5px; font-weight:500; text-decoration:none; color:var(--text);
  padding:6px 2px; border-bottom:2px solid transparent;
}
.main-nav a:hover, .main-nav a[aria-current="page"]{ color:var(--accent); border-color:var(--accent); }
.header-cta{ display:flex; align-items:center; gap:14px; }
.menu-toggle{
  display:none; background:none; border:1px solid var(--line); border-radius:8px;
  width:42px; height:38px; align-items:center; justify-content:center; cursor:pointer;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{
  content:""; display:block; width:20px; height:2px; background:var(--text); position:relative; transition:.2s;
}
.menu-toggle span::before{ position:absolute; top:-6px; }
.menu-toggle span::after{ position:absolute; top:6px; }

@media (max-width:900px){
  .main-nav{
    position:fixed; inset:64px 0 auto 0; background:var(--surface);
    flex-direction:column; align-items:flex-start; gap:2px;
    padding:10px 24px 20px; border-bottom:1px solid var(--line);
    transform:translateY(-8px); opacity:0; pointer-events:none; transition:.18s ease;
  }
  .main-nav.open{ transform:translateY(0); opacity:1; pointer-events:auto; }
  .main-nav a{ width:100%; padding:12px 0; border-bottom:1px solid var(--line); }
  .header-cta .btn-primary{ display:none; }
  .menu-toggle{ display:flex; }
}

/* =========================================================
   FOOTER
========================================================= */
#site-footer{ background:var(--surface); border-top:1px solid var(--line); margin-top:80px; }
.footer-inner{
  max-width:var(--container); margin-inline:auto; padding:48px 24px 28px;
  display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:32px;
}
.footer-inner h4{ font-family:var(--font-body); font-size:13px; font-weight:600; letter-spacing:.04em; text-transform:uppercase; color:var(--muted); margin-bottom:14px; }
.footer-brand img{ height:30px; margin-bottom:12px; }
.footer-brand p{ color:var(--muted); font-size:14px; max-width:32ch; }
.footer-col a, .footer-col p{ display:block; color:var(--text); text-decoration:none; font-size:14.5px; margin-bottom:10px; }
.footer-col a:hover{ color:var(--accent); }
.footer-bottom{
  border-top:1px solid var(--line); padding:18px 24px; font-size:12.5px; color:var(--muted);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; max-width:var(--container); margin-inline:auto;
}
.footer-bottom a{ color:var(--muted); text-decoration:underline; }
@media (max-width:760px){ .footer-inner{ grid-template-columns:1fr; } }

/* =========================================================
   HERO (full-bleed, used on Home)
========================================================= */
.hero-full{
  position:relative;
  width:100%;
  aspect-ratio:16/8;
  min-height:380px;
  max-height:680px;
  display:flex;
  align-items:flex-end;
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-full::before{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(to top, rgba(3,25,28,.75), rgba(3,25,28,.08) 60%);
}
.hero-full .hero-overlay{
  position:relative; z-index:1;
  max-width:680px;
  padding:0 24px 48px;
  margin-inline:auto;
  width:100%;
  color:#fff;
}
@media (min-width:640px){ .hero-full .hero-overlay{ margin-inline:calc((100% - var(--container))/2 + 0px); padding:0 0 56px; } }
.hero-full .eyebrow{ color:#BFE7E9; }
.hero-full h1{ color:#fff; font-size:clamp(30px,4.4vw,48px); }
.hero-full p{ color:rgba(255,255,255,.88); font-size:16.5px; }
.hero-full .hero-cta{ display:flex; gap:12px; flex-wrap:wrap; margin-top:18px; }
@media (max-width:640px){
  .hero-full{ aspect-ratio:3/4; min-height:460px; }
}

/* smaller page hero (Chi siamo, Servizi, Tecnologia, Progetti, Cantieri, Contatti) */
.page-hero{
  position:relative; width:100%; aspect-ratio:16/6; min-height:220px; max-height:420px;
  display:flex; align-items:center; background-size:cover; background-position:center;
}
.page-hero::before{ content:""; position:absolute; inset:0; background:linear-gradient(120deg, rgba(3,25,28,.72), rgba(3,25,28,.35)); }
.page-hero-inner{ position:relative; z-index:1; max-width:var(--container); margin-inline:auto; padding:0 24px; color:#fff; }
.page-hero .eyebrow{ color:#BFE7E9; }
.page-hero h1{ color:#fff; font-size:clamp(26px,3.6vw,38px); margin-bottom:0; }
@media (max-width:640px){ .page-hero{ aspect-ratio:4/5; min-height:260px; } }

/* =========================================================
   REFERENTE / CHIAVI IN MANO
========================================================= */
.referente{ background:var(--accent-soft); }
.referente-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; margin-top:26px; }
.referente-grid h4{ margin:0 0 6px; }
.referente-grid p{ margin:0; color:var(--muted); font-size:14.5px; line-height:1.55; }
@media (max-width:760px){ .referente-grid{ grid-template-columns:1fr; } }

/* =========================================================
   SERVIZI (card grid)
========================================================= */
.servizi-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; margin-top:28px; }
.servizi-grid.compact{ grid-template-columns:repeat(3,1fr); }
.service-card{
  background:var(--surface); border-radius:var(--radius-md); overflow:hidden;
  box-shadow:0 14px 30px -22px rgba(0,60,66,.30);
  display:flex; flex-direction:column;
}
.service-card.highlight{ outline:2px solid var(--accent-2); outline-offset:-2px; }
.service-card img{ aspect-ratio:4/3; object-fit:cover; width:100%; }
.service-card .service-body{ padding:22px; display:flex; flex-direction:column; gap:8px; flex:1; }
.service-card h3{ font-size:18px; margin:0; }
.service-card p{ color:var(--muted); font-size:14.5px; margin:0; flex:1; }
.service-card .btn{ align-self:flex-start; margin-top:6px; }
@media (max-width:900px){ .servizi-grid, .servizi-grid.compact{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .servizi-grid, .servizi-grid.compact{ grid-template-columns:1fr; } }

/* =========================================================
   TECNOLOGIA
========================================================= */
.tec-split{ display:grid; grid-template-columns:1fr 1fr; gap:44px; align-items:center; }
.tec-split.reverse{ direction:rtl; }
.tec-split.reverse > *{ direction:ltr; }
.tec-split img{ border-radius:var(--radius-lg); aspect-ratio:4/3; object-fit:cover; }
@media (max-width:800px){ .tec-split{ grid-template-columns:1fr; } .tec-split.reverse{ direction:ltr; } }

.layer-diagram{ display:flex; gap:6px; height:220px; border-radius:var(--radius-sm); overflow:hidden; }
.layer-diagram > div{ flex:1; }
.layer-diagram .l-finish{ flex:.5; background:var(--accent-2); }
.layer-diagram .l-eps{ flex:1.6; background:#0D3F47; }
.layer-diagram .l-core{ flex:2.2; background:#9FB8BB; background-image:repeating-linear-gradient(45deg, rgba(0,0,0,.12) 0 2px, transparent 2px 11px); }
.layer-legend{ list-style:none; margin:20px 0 0; padding:0; display:flex; flex-direction:column; gap:8px; }
.layer-legend li{ display:flex; align-items:center; gap:10px; font-size:14px; }
.swatch{ width:16px; height:16px; border-radius:3px; flex:none; }
.swatch.finish{ background:var(--accent-2); }
.swatch.eps{ background:#0D3F47; }
.swatch.core{ background:#9FB8BB; }

.gallery-strip{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:24px; }
.gallery-strip img{ border-radius:var(--radius-sm); aspect-ratio:4/3; object-fit:cover; }
@media (max-width:700px){ .gallery-strip{ grid-template-columns:1fr; } }

/* =========================================================
   PISCINE (home panel)
========================================================= */
.piscine-panel{
  background:var(--accent-soft); border-radius:var(--radius-lg); padding:44px;
  display:grid; grid-template-columns:1fr 1fr; gap:36px; align-items:center;
}
.piscine-panel img{ border-radius:var(--radius-md); aspect-ratio:4/3; object-fit:cover; }
@media (max-width:760px){ .piscine-panel{ grid-template-columns:1fr; padding:26px; } }

/* =========================================================
   PERCHÉ MARINELLI
========================================================= */
.perche-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; margin-top:26px; }
.perche-grid strong{ font-family:var(--font-display); font-size:17px; display:block; margin-bottom:6px; }
.perche-grid span{ color:var(--muted); font-size:14px; line-height:1.5; }
@media (max-width:800px){ .perche-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .perche-grid{ grid-template-columns:1fr; } }

/* =========================================================
   PROGETTI / CANTIERI (card grid + filtri)
========================================================= */
.filter-bar{ display:flex; flex-wrap:wrap; gap:10px; margin:26px 0 6px; }
.filter-btn{
  font-size:13.5px; font-weight:600; padding:9px 18px; border-radius:100px;
  border:1px solid var(--line); background:var(--surface); cursor:pointer; color:var(--text);
}
.filter-btn:hover{ border-color:var(--accent); }
.filter-btn.active{ background:var(--accent); border-color:var(--accent); color:#fff; }

.card-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:26px; }
@media (max-width:900px){ .card-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .card-grid{ grid-template-columns:1fr; } }

.project-card{
  display:block; text-decoration:none; color:inherit; background:var(--surface);
  border-radius:var(--radius-md); overflow:hidden; box-shadow:0 14px 30px -22px rgba(0,60,66,.30);
  transition:transform .15s ease;
}
.project-card:hover{ transform:translateY(-3px); }
.project-card img{ aspect-ratio:4/3; object-fit:cover; width:100%; }
.project-card .pc-body{ padding:18px 20px; }
.project-card .pc-tag{ font-size:11.5px; font-weight:600; letter-spacing:.05em; text-transform:uppercase; color:var(--accent); }
.project-card h3{ font-size:17px; margin:8px 0 4px; }
.project-card .pc-loc{ font-size:13.5px; color:var(--muted); }

.cantiere-card{ background:var(--surface); border-radius:var(--radius-md); overflow:hidden; box-shadow:0 14px 30px -22px rgba(0,60,66,.30); }
.cantiere-card img{ aspect-ratio:16/10; object-fit:cover; width:100%; }
.cantiere-card .cc-body{ padding:20px 22px; }
.cantiere-card .cc-status{
  display:inline-block; font-size:12px; font-weight:600; padding:5px 12px; border-radius:100px;
  background:var(--accent-soft); color:var(--accent); margin-bottom:10px;
}
.cantiere-card .cc-updated{ font-size:12.5px; color:var(--muted); margin-top:8px; }

/* project detail page */
.project-hero-cover{ border-radius:var(--radius-lg); aspect-ratio:16/9; object-fit:cover; width:100%; margin-bottom:28px; }
.project-meta{ display:flex; gap:24px; flex-wrap:wrap; margin-bottom:18px; font-size:14px; color:var(--muted); }
.project-meta strong{ color:var(--text); }
.project-gallery{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:28px; }
.project-gallery img{ border-radius:var(--radius-sm); aspect-ratio:4/3; object-fit:cover; }
@media (max-width:700px){ .project-gallery{ grid-template-columns:1fr 1fr; } }

/* =========================================================
   CTA FINALE
========================================================= */
.cta-finale{
  background:var(--accent); color:#fff; border-radius:var(--radius-lg);
  padding:56px 32px; text-align:center; display:flex; flex-direction:column; align-items:center; gap:16px;
  max-width:var(--container); margin:0 auto;
}
.cta-finale h2{ color:#fff; margin:0; max-width:26ch; }
.cta-finale p{ color:rgba(255,255,255,.85); margin:0; max-width:48ch; }
.cta-finale .btn-secondary{ color:#fff; border-color:rgba(255,255,255,.55); }
.cta-finale .btn-secondary:hover{ background:rgba(255,255,255,.12); color:#fff; }

/* =========================================================
   FORMS (Contatti, Richiedi preventivo)
========================================================= */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-grid .full{ grid-column:1 / -1; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-size:13.5px; font-weight:600; }
.field .hint{ font-size:12.5px; color:var(--muted); font-weight:400; }
.field input, .field select, .field textarea{
  font-family:inherit; font-size:15px; padding:12px 14px; border:1px solid var(--line);
  border-radius:var(--radius-sm); background:var(--surface); color:var(--text);
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--accent); }
.field textarea{ resize:vertical; min-height:120px; }
.checkbox-row{ display:flex; align-items:flex-start; gap:10px; font-size:14px; color:var(--muted); }
.checkbox-row input{ margin-top:3px; }
.form-actions{ margin-top:8px; display:flex; align-items:center; gap:16px; flex-wrap:wrap; }
.form-note{ font-size:13px; color:var(--muted); }
.form-status{ font-size:14.5px; font-weight:600; padding:12px 16px; border-radius:var(--radius-sm); display:none; }
.form-status.ok{ display:block; background:var(--accent-soft); color:var(--accent); }
.form-status.err{ display:block; background:#FBEAEA; color:#9C2B2B; }
@media (max-width:700px){ .form-grid{ grid-template-columns:1fr; } }

.contact-info-grid{ display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:start; }
.contact-card{ background:var(--surface); border-radius:var(--radius-md); padding:28px; box-shadow:0 14px 30px -22px rgba(0,60,66,.3); }
.contact-card .btn{ margin-top:6px; }
.map-frame{ width:100%; aspect-ratio:4/3; border:0; border-radius:var(--radius-md); }
@media (max-width:800px){ .contact-info-grid{ grid-template-columns:1fr; } }

/* =========================================================
   LEGAL PAGES
========================================================= */
.legal h2{ font-size:20px; margin-top:1.6em; }
.legal p, .legal li{ color:var(--text); line-height:1.7; }
.legal{ max-width:75ch; }

/* =========================================================
   FADE-IN ON SCROLL
========================================================= */
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .5s ease, transform .5s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; } }