/* Delta Piscine — homepage prototipo statico
   Font e colori ripresi dal sito live (Raleway/Playfair Display, sfondo rgb(23,26,29), accento #15C7FF) */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Raleway:wght@300;400;500;600;700&display=swap');

:root{
  --bg:#171a1d;
  --bg-alt:#1e2125;
  --text:#e7e7e7;
  --text-dim:#a7abaf;
  --accent:#15c7ff;
  --border:rgba(255,255,255,.08);
  --maxw:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Raleway',sans-serif;
  font-weight:400;
  line-height:1.7;
}
h1,h2,h3,h4{
  font-family:'Playfair Display',serif;
  font-weight:700;
  color:#fff;
  line-height:1.25;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  color:var(--accent);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:13px;
  font-weight:600;
  margin-bottom:10px;
  display:block;
}
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.center{text-align:center}
.btn{
  display:inline-block;
  padding:14px 32px;
  border:1px solid var(--accent);
  color:var(--accent);
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-weight:600;
  transition:.25s;
}
.btn:hover{background:var(--accent);color:#0c0f11}
.btn.solid{background:var(--accent);color:#0c0f11}
.btn.solid:hover{opacity:.85}

/* Header */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(23,26,29,.85);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;max-width:var(--maxw);margin:0 auto}
.nav .logo img{height:42px}
.nav ul{list-style:none;display:flex;gap:34px}
.nav ul a{font-size:14px;letter-spacing:.03em;text-transform:uppercase;font-weight:500;color:var(--text-dim);transition:.2s}
.nav ul a:hover{color:var(--accent)}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer}

/* Hero */
.hero{
  position:relative;
  height:100vh;
  min-height:640px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero video{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  z-index:0;
}
.hero::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,10,12,0) 0%,rgba(8,10,12,0) 45%,rgba(8,10,12,.55) 100%);
  z-index:1;
}
.hero-content{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.hero h1{font-size:52px;max-width:720px;margin-bottom:20px;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.hero p{font-size:18px;color:#f0f0f0;max-width:560px;margin-bottom:34px;text-shadow:0 1px 6px rgba(0,0,0,.5)}
.hero .eyebrow{text-shadow:0 1px 6px rgba(0,0,0,.5)}
.hero-actions{display:flex;gap:16px}

/* Intro */
.intro{max-width:820px;margin:0 auto}
.intro p{color:var(--text-dim);font-size:17px}

/* Category cards */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:56px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:56px}
.cat-card{position:relative;border-radius:2px;overflow:hidden;aspect-ratio:3/4}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cat-card:hover img{transform:scale(1.06)}
.cat-card .overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(10,12,14,.92) 100%);
  display:flex;align-items:flex-end;padding:22px;
}
.cat-card h3{font-size:19px;color:#fff}
.cat-card.no-img{
  background:var(--bg-alt);
  border:1px solid var(--border);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:22px;text-align:center;
}
.cat-card.no-img .icon{
  width:52px;height:52px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:50%;
  color:var(--accent);background:rgba(21,199,255,.06);
  margin-bottom:16px;
}
.cat-card.no-img .icon svg{width:24px;height:24px}

/* Competenze */
.comp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 32px;margin-top:56px}
.comp-item{padding-left:0}
.comp-item .icon{
  display:flex;align-items:center;justify-content:center;
  width:52px;height:52px;
  margin-bottom:18px;
  border:1px solid var(--border);
  border-radius:50%;
  color:var(--accent);
  background:rgba(21,199,255,.06);
}
.comp-item .icon svg{width:24px;height:24px}
.comp-item h3{font-size:18px;margin-bottom:10px}
.comp-item p{color:var(--text-dim);font-size:15px}

/* Come lavoriamo */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px;counter-reset:step}
.step{text-align:center;padding:0 12px}
.step .step-num{
  width:56px;height:56px;border-radius:50%;
  border:1px solid var(--accent);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;
}
.step .step-num svg{width:24px;height:24px}
.step h3{font-size:18px;margin-bottom:10px}
.step p{color:var(--text-dim);font-size:15px}

/* Blog */
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:56px}
.blog-card{background:var(--bg-alt);border:1px solid var(--border)}
.blog-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.blog-card-body{padding:24px}
.blog-card h3{font-size:19px;margin-bottom:10px}
.blog-card p{color:var(--text-dim);font-size:14px;margin-bottom:14px}
.blog-card .read-more{color:var(--accent);font-size:13px;text-transform:uppercase;letter-spacing:.06em;font-weight:600}

/* Partner */
.partner-list{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.partner-item{border-top:1px solid var(--border);padding-top:18px}
.partner-item .zone{color:var(--accent);font-size:13px;text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-bottom:6px;display:block}
.partner-item .name{font-size:15px;color:var(--text-dim)}

/* Contact / footer */
.footer{background:#0f1113;border-top:1px solid var(--border);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer h4{font-size:15px;color:#fff;text-transform:uppercase;letter-spacing:.05em;margin-bottom:20px}
.footer p, .footer a{color:var(--text-dim);font-size:14px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:10px}
.footer ul a:hover{color:var(--accent)}
.footer .logo img{height:38px;margin-bottom:18px}
.footer .contact-line{
  display:flex;align-items:flex-start;gap:9px;
  margin-top:10px;
}
.footer .contact-line svg{width:17px;height:17px;flex-shrink:0;margin-top:2px;color:var(--accent)}
.footer .contact-line a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--border);padding-top:22px;font-size:13px;color:var(--text-dim);text-align:center}

@media(max-width:900px){
  .hero h1{font-size:36px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .comp-grid,.steps,.partner-list{grid-template-columns:1fr 1fr}
  .blog-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .nav ul{
    position:fixed;top:74px;left:0;right:0;bottom:0;
    background:var(--bg);
    flex-direction:column;padding:32px;gap:22px;
    transform:translateX(100%);transition:.3s;
  }
  .nav ul.open{transform:translateX(0)}
  .nav-toggle{display:block}
}
@media(max-width:560px){
  .grid-4,.comp-grid,.steps,.partner-list{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .section{padding:60px 0}
}