:root{
  --primary:#c8102e;
  --secondary:#fdb913;
  --dark:#1a1a1a;
  --bg:#ffffff;
  --muted:#f7f7f5;
  --text:#222;
  --border:#e6e6e6;
  --font-h:'Oswald', system-ui, sans-serif;
  --font-b:'Open Sans', system-ui, sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-b);color:var(--text);line-height:1.6;background:var(--bg);font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-h);color:var(--dark);line-height:1.25;margin:0 0 .5em;font-weight:700;letter-spacing:.01em;text-transform:uppercase}
h1{font-size:2rem;border-bottom:3px solid var(--secondary);padding-bottom:.4em;display:inline-block}
h2{font-size:1.5rem;color:var(--primary)}
h3{font-size:1.2rem;color:var(--dark)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.4em}
li{margin-bottom:.4em}
strong,b{font-weight:700}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--border);box-shadow:0 1px 3px rgba(0,0,0,.04);position:sticky;top:0;z-index:50}
.header-top{background:var(--dark);color:#fff;font-size:.85rem;padding:.5em 0;text-align:center}
.header-top a{color:var(--secondary)}
.header-main{display:flex;align-items:center;justify-content:space-between;padding:1em 20px;max-width:1200px;margin:0 auto;flex-wrap:wrap;gap:1em}
.logo-link{display:flex;align-items:center;gap:.6em}
.logo-link img{max-height:60px;width:auto}
.logo-text{font-family:var(--font-h);font-weight:700;color:var(--primary);font-size:1.4rem;text-transform:uppercase;letter-spacing:.05em}
.tagline{font-size:.8rem;color:#888;text-transform:uppercase;letter-spacing:.08em}
.header-contact{font-size:.95rem}
.header-contact strong{color:var(--primary);font-size:1.1rem}

/* Navigation */
.site-nav{background:var(--primary);border-top:3px solid var(--secondary)}
.nav-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;max-width:1200px;margin:0 auto}
.nav-list>li{position:relative}
.nav-list>li>a{display:block;padding:.9em 1.2em;color:#fff;font-family:var(--font-h);font-weight:500;text-transform:uppercase;font-size:.95rem;letter-spacing:.03em;border-right:1px solid rgba(255,255,255,.15);transition:background .15s}
.nav-list>li>a:hover{background:var(--dark);text-decoration:none}
.nav-sub{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--border);min-width:240px;list-style:none;margin:0;padding:.5em 0;box-shadow:0 4px 12px rgba(0,0,0,.12);z-index:10}
.nav-list>li:hover .nav-sub{display:block}
.nav-sub li a{display:block;padding:.6em 1.2em;color:var(--text);font-size:.9rem}
.nav-sub li a:hover{background:var(--muted);color:var(--primary);text-decoration:none}

/* Hero */
.hero{position:relative;background:linear-gradient(135deg,var(--primary) 0%,#a30d24 100%);color:#fff;padding:4em 20px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:url('./images/hero-piscines.jpg') center/cover;opacity:.25}
.hero-inner{position:relative;max-width:900px;margin:0 auto}
.hero h1{color:#fff;font-size:2.6rem;border-bottom:3px solid var(--secondary);padding-bottom:.3em;display:inline-block}
.hero p{font-size:1.2rem;opacity:.95}

/* Breadcrumbs */
.breadcrumbs{padding:1em 0;font-size:.85rem;color:#666}
.breadcrumbs a{color:var(--primary)}
.breadcrumbs span{margin:0 .4em;color:#bbb}

/* Main */
main{padding:2em 0 3em}
.page-content{display:grid;grid-template-columns:1fr;gap:2em}
.page-content article{background:#fff;padding:0}
.page-content article h1{margin-top:0}
.page-content figure{margin:1.5em 0;text-align:center}
.page-content figure img{display:inline-block;border-radius:8px;box-shadow:0 4px 18px rgba(0,0,0,.1);max-height:480px}

/* Home grid */
.home-categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.4em;margin:2em 0}
.cat-card{display:block;background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:transform .2s,box-shadow .2s;text-decoration:none;color:var(--text)}
.cat-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.1);text-decoration:none}
.cat-card-img{aspect-ratio:4/3;background:linear-gradient(135deg,var(--secondary) 0%,#e89e0a 100%);background-size:cover;background-position:center}
.cat-card-body{padding:1.2em}
.cat-card h3{margin:0 0 .4em;color:var(--primary)}
.cat-card p{font-size:.92rem;color:#555;margin:0}

/* USP bar */
.usp-bar{background:var(--muted);padding:1.6em 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin:2em 0}
.usp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5em;text-align:center}
.usp-item{padding:0 1em}
.usp-item strong{display:block;color:var(--primary);font-size:1.05rem;font-family:var(--font-h);text-transform:uppercase;margin-bottom:.3em}
.usp-item span{font-size:.9rem;color:#666}

/* Related */
.related{margin-top:3em;padding-top:2em;border-top:1px solid var(--border)}
.related h2{font-size:1.3rem;margin-bottom:1.2em;color:var(--primary)}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2em}
.related-card{display:block;background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden;text-decoration:none;color:var(--dark);transition:transform .2s,box-shadow .2s}
.related-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.12);text-decoration:none;border-color:var(--secondary)}
.related-card-img{aspect-ratio:4/3;background-size:cover;background-position:center;background-color:var(--muted)}
.related-card-img-placeholder{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%)}
.related-card-body{padding:.9em 1em;font-weight:600;font-size:.95rem;color:var(--dark);border-top:3px solid var(--secondary);line-height:1.3}
.related-card:hover .related-card-body{color:var(--primary)}

/* Footer */
.site-footer{background:var(--dark);color:#ccc;padding:3em 0 1em;margin-top:4em}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2em;max-width:1200px;margin:0 auto;padding:0 20px}
.footer-col h4{color:var(--secondary);font-size:1rem;margin-bottom:1em}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:.4em}
.footer-col a{color:#ccc;font-size:.9rem}
.footer-col a:hover{color:#fff}
.footer-bottom{text-align:center;border-top:1px solid #333;margin-top:2em;padding-top:1em;font-size:.82rem;color:#888;max-width:1200px;margin-left:auto;margin-right:auto}

/* Mobile */
@media (max-width:768px){
  h1{font-size:1.5rem}
  h2{font-size:1.25rem}
  .header-main{justify-content:center;text-align:center}
  .nav-list{flex-direction:column}
  .nav-list>li>a{border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-sub{position:static;box-shadow:none;border:0;background:rgba(0,0,0,.2)}
  .nav-sub li a{color:#fff;padding-left:2em}
  .nav-sub li a:hover{background:transparent;color:var(--secondary)}
  .hero{padding:2.5em 20px}
  .hero h1{font-size:1.8rem}
  .hero p{font-size:1rem}
}