:root{
  --deep:#0e2a33; --deep2:#143741; --sail:#f2f6f5; --foam:#dfe9e7;
  --copper:#b8693a; --copper-l:#e0976a; --patina:#4f9b8a;
  --ink:#10242b; --muted:#5b7279;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font:400 1.0625rem/1.65 "Instrument Sans",system-ui,sans-serif;color:var(--ink);background:var(--sail)}
h1,h2,h3{font-family:"Bricolage Grotesque","Instrument Sans",sans-serif;line-height:1.1;margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(2.4rem,6vw,4.4rem);font-weight:700;max-width:14ch}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:700}
h3{font-size:1.25rem;font-weight:500}
p{margin:0 0 1em;max-width:62ch}
a{color:inherit}
:focus-visible{outline:3px solid var(--copper-l);outline-offset:3px}
.wrap{width:min(1080px,100% - 2.5rem);margin-inline:auto}

.top{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.8rem clamp(1rem,4vw,3rem);background:rgba(242,246,245,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--foam)}
.brand{font:700 1.25rem "Bricolage Grotesque",sans-serif;text-decoration:none}
.brand{display:flex;align-items:center;gap:.7rem}
.brand b{font-weight:700}
.brand img{height:44px;width:auto;display:block;mix-blend-mode:multiply}
.brand span{color:var(--copper)}
.top nav{display:flex;align-items:center;gap:1.4rem;font-size:.95rem}
.top nav a{text-decoration:none}
.top nav a:hover{color:var(--copper)}
.top .shop{padding:.45rem 1rem;border-radius:999px;background:var(--deep);color:#fff}
.top .shop:hover{color:#fff;background:var(--copper)}
@media (max-width:760px){.top nav a:not(.shop){display:none}}

.hero{position:relative;padding:clamp(3rem,8vw,6rem) 0 0;background:var(--sail)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:center;padding-bottom:3rem}
.lead{font-size:1.2rem;color:var(--muted)}
.lead.small{font-size:1.1rem}
.cta-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}
.btn{display:inline-block;padding:.8rem 1.4rem;border-radius:999px;border:2px solid var(--deep);text-decoration:none;font-weight:600}
.btn:hover{background:var(--deep);color:#fff}
.btn.primary{background:var(--copper);border-color:var(--copper);color:#fff}
.btn.primary:hover{background:#9a5429;border-color:#9a5429}
.hull{margin:0}
.hull svg{width:100%;height:auto;display:block}
.waterline{display:block;width:100%;height:80px;margin-bottom:-1px}
@media (max-width:820px){.hero-grid{grid-template-columns:1fr}.hull{max-width:340px}}

.deep{background:var(--deep);color:var(--sail);padding:clamp(3rem,7vw,5.5rem) 0}
.deep.alt{background:var(--deep2)}
.deep p{color:#c5d6d3}
.two{display:grid;grid-template-columns:1.2fr .8fr;gap:3rem;align-items:center}
.note{color:var(--copper-l)!important;font-weight:500}
.parts{list-style:none;margin:0;padding:0;display:grid;gap:.8rem}
.parts li{display:flex;align-items:baseline;gap:1rem;padding:1rem 1.2rem;border-left:4px solid var(--copper);background:rgba(255,255,255,.05);border-radius:0 12px 12px 0}
.parts strong{font:700 1.9rem "Bricolage Grotesque",sans-serif;color:var(--copper-l);min-width:4.5rem}
.sds{display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;margin-top:2.5rem;font-size:.95rem}
.sds p{margin:0}
.sds a{color:var(--patina);text-underline-offset:3px}
@media (max-width:820px){.two{grid-template-columns:1fr;gap:1.5rem}}

.benefits{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;margin-top:2rem;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:16px;overflow:hidden}
.benefits article{padding:1.6rem;background:var(--deep2)}
.benefits h3{color:var(--copper-l)}
.benefits p{margin:0;font-size:1rem}

.light{padding:clamp(3rem,7vw,5.5rem) 0;background:var(--sail)}
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;padding:0;margin:2rem 0}
.steps li{counter-increment:s;position:relative;padding:3.2rem 1rem 1.1rem;border-top:6px solid var(--copper);background:var(--foam);border-radius:0 0 12px 12px;font-weight:500}
.steps li::before{content:counter(s);position:absolute;top:.7rem;left:1rem;font:700 1.8rem "Bricolage Grotesque",sans-serif;color:var(--copper)}
.steps li:nth-child(2){border-color:#a6795a}
.steps li:nth-child(3){border-color:#7c8c76}
.steps li:nth-child(4){border-color:var(--patina)}
.docs{display:flex;flex-wrap:wrap;gap:.6rem}
.docs a{padding:.55rem 1rem;border:1px solid var(--muted);border-radius:999px;font-size:.95rem;text-decoration:none}
.docs a:hover{background:var(--deep);color:#fff}

.calc-sec{background:var(--foam)}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.card{display:grid;gap:1rem;padding:1.6rem;background:#fff;border-radius:18px;box-shadow:0 12px 30px rgba(14,42,51,.12)}
.card label{display:grid;gap:.35rem;font-weight:600;font-size:.95rem}
.card input,.card select{font:inherit;padding:.7rem .8rem;border:1.5px solid #b9cac7;border-radius:10px;background:#fff;color:var(--ink)}
.card input:focus,.card select:focus{border-color:var(--copper);outline:none;box-shadow:0 0 0 3px rgba(184,105,58,.25)}
.result{padding:1rem 1.2rem;border-radius:12px;background:var(--sail);color:var(--muted)}
.result.ok{background:var(--deep);color:var(--sail)}
.result b{display:block;font:700 2.4rem/1.1 "Bricolage Grotesque",sans-serif;color:var(--copper-l)}
.result small{display:block;margin-top:.4rem;color:#c5d6d3}
@media (max-width:820px){.calc-grid{grid-template-columns:1fr;gap:1.5rem}}

footer{background:var(--deep);color:var(--sail);padding:2.5rem 0}
.foot{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;flex-wrap:wrap}
.foot p{margin:0;color:#c5d6d3}
footer .btn{border-color:var(--copper)}

/* Banner in testa */
.hero{padding-top:clamp(1.5rem,4vw,2.5rem)}
.banner{margin-bottom:clamp(1.5rem,4vw,2.5rem)}
.banner img{display:block;width:100%;max-width:820px;height:auto;margin-inline:auto;border-radius:16px}

/* Banner a tutta larghezza */
.hero{padding-top:0}
.banner{margin:0 0 clamp(1.5rem,4vw,2.5rem);background:#dcdcdc}
.banner img{display:block;width:100%;max-width:none;height:auto;max-height:340px;object-fit:cover;object-position:center 30%;border-radius:0;margin:0}
@media (max-width:700px){.banner img{max-height:none}}

/* Cantieri */
.lead-d{color:#c5d6d3}
.yards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;margin-top:2rem}
.yards article{padding:1.3rem 1.4rem;background:rgba(255,255,255,.05);border-left:4px solid var(--copper);border-radius:0 14px 14px 0}
.yards h3{margin:0 0 .5rem;color:var(--copper-l);font-size:1.15rem}
.yards p{margin:0;font-size:1rem}
.yards a{text-underline-offset:3px}
.yards a:hover{color:var(--copper-l)}

/* Telefoni piccoli */
@media (max-width:420px){
  .brand b{font-size:1rem}
  .brand img{height:36px}
  .top .shop{padding:.4rem .8rem;font-size:.85rem}
}

/* Banner intero, senza tagli */
.banner img{width:100%;height:auto;max-height:none;object-fit:fill}

/* Banner ridotto a 3/4, intero e sfumato ai lati */
.banner{background:linear-gradient(to bottom,#e9e9e9 0%,#e4e4e4 60%,#dcdcdc 80%,#8c8c8c 81%,#777 100%)}
.banner img{width:75%;max-width:none;height:auto;margin-inline:auto;
  -webkit-mask-image:linear-gradient(to right,transparent,#000 7%,#000 93%,transparent);
  mask-image:linear-gradient(to right,transparent,#000 7%,#000 93%,transparent)}
@media (max-width:700px){.banner img{width:100%;-webkit-mask-image:none;mask-image:none}}

/* Banner ancora più piccolo (60%) */
.banner img{width:60%}

/* Logo centrale del banner in intestazione */
.brand img{height:46px;width:auto;mix-blend-mode:normal}
.brand b{font-size:1.15rem;letter-spacing:.14em;text-transform:uppercase}
@media (max-width:420px){.brand img{height:36px}.brand b{font-size:.9rem}}