/* B-L-D design system 2.0 — stile "prova-home-2" (fasce orizzontali bianche) */
:root{--blue:#12335c;--blued:#0b2038;--red:#ff3614;--redd:#c9280a;--or:#ff8a1f;--teal:#19c4b6;--teald:#0b7f7a;--ink:#101a26;--text:#2c3a4a;--pale:#eef2f5;--line:#dde4ea;--cut:56px;--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Archivo,"Arial Narrow",Arial,sans-serif;color:var(--text);line-height:1.65;font-size:17px;background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-stretch:75%;font-weight:900;letter-spacing:-.01em;line-height:1.05;margin:0}
:focus-visible{outline:3px solid var(--or);outline-offset:3px}
.container{max-width:var(--max);margin:0 auto;padding:0 26px}
.narrow{max-width:880px}
.center{text-align:center}

/* header: blu scuro + striscia multicolor */
.site-header{position:sticky;top:0;z-index:100;background:var(--blued);color:#fff}
.site-header::after{content:"";display:block;height:12px;background:linear-gradient(90deg,var(--red) 0 25%,var(--or) 25% 50%,#2d6cb5 50% 75%,var(--teal) 75%)}
.topbar{background:#081729;color:#b7c6d6;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;gap:12px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap}
.topbar a{color:#fff;margin-left:14px}
.topbar a:hover{color:var(--or)}
.topbar .lang{border:2px solid var(--or);color:var(--or);padding:1px 9px;font-weight:700}
.topbar .lang:hover{background:var(--or);color:var(--ink)}
.navwrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-stretch:80%;letter-spacing:.3px;font-size:1.1rem}
.brand img{border-radius:0;height:46px;width:46px;object-fit:cover;background:#fff}
.brand span{display:flex;flex-direction:column;line-height:1.15}
.brand small{font-weight:400;font-size:11.5px;letter-spacing:.3px;color:#b7c6d6}
.brand.light{color:#fff}
.mainnav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
.mainnav li{position:relative}
.mainnav a{display:block;padding:9px 13px;color:#fff;font-weight:600;font-size:15.5px;border-bottom:3px solid transparent}
.mainnav a:hover,.mainnav a.active{border-color:var(--or)}
.mainnav .sub{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border-top:4px solid var(--red);box-shadow:0 14px 34px rgba(11,32,56,.25);padding:6px;display:none;flex-direction:column;gap:0}
.mainnav .has-sub:hover .sub,.mainnav .has-sub:focus-within .sub{display:flex}
.mainnav .sub a{padding:9px 12px;font-size:14.5px;color:var(--ink);border-bottom:none;font-weight:600}
.mainnav .sub a:hover{color:var(--redd);background:var(--pale)}
.has-sub>a::after{content:" ▾";font-size:11px;color:var(--or)}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.4);border-radius:0;font-size:22px;padding:4px 12px;color:#fff;cursor:pointer}

/* buttons */
.btn{display:inline-block;background:var(--or);color:var(--ink);padding:15px 28px;font-weight:800;font-size:16px;border:2px solid var(--or);transition:.2s;font-stretch:90%}
.btn:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn.ghost:hover{background:#fff;color:var(--blued);border-color:#fff}
.btn.small{padding:9px 18px;font-size:14px}
.more{font-weight:800;color:var(--blued);text-decoration:underline;text-decoration-color:var(--or);text-decoration-thickness:3px;text-underline-offset:6px}
.more:hover{color:var(--redd)}

/* hero (pagine interne legacy) */
.hero{background:var(--blued);color:#e3ebf3;padding:70px 0}
.herogrid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero .kicker{color:var(--or);font-weight:800;letter-spacing:.14em;text-transform:uppercase;font-size:13px;margin:0 0 10px}
.hero h1{color:#fff;font-size:clamp(2.2rem,4.5vw,3.4rem);margin:0 0 14px}
.hero h2{color:#ffe3d8;font-size:19px;font-weight:500;line-height:1.4;margin:0 0 18px}
.hero p{margin:0 0 18px}
.hero .note{font-size:14px;color:#b7c6d6}
.hero strong{color:#fff}
.hero figure{margin:0;overflow:hidden;border:4px solid rgba(255,255,255,.08)}
.hero figure img{display:block;width:100%}
.strip{background:var(--pale);border-bottom:1px solid var(--line)}
.stripgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding-top:32px;padding-bottom:32px}
.stripgrid strong{display:block;color:var(--blued);font-size:18px;border-left:6px solid var(--red);padding-left:12px;margin-bottom:6px}
.stripgrid span{font-size:15px;line-height:1.55;display:block}

/* sections */
.section{padding:62px 0}
.section.alt{background:var(--pale)}
h2.sec{color:var(--blued);font-size:clamp(1.7rem,3vw,2.4rem);margin:0 0 26px;padding-left:16px;border-left:10px solid var(--red)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:6px}
.card{background:#fff;border:1px solid var(--line);border-top:8px solid var(--red);padding:28px 26px 30px;box-shadow:none;display:flex;flex-direction:column}
.card:nth-child(3n+2){border-top-color:var(--or)}
.card:nth-child(3n){border-top-color:var(--teal)}
.card h3{margin:0 0 10px;color:var(--blued);font-size:1.35rem}
.card p{margin:0 0 16px;font-size:15.5px;flex:1}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{background:#fff;border:1px solid var(--line);border-left:8px solid var(--red);color:var(--blued);font-weight:800;text-transform:uppercase;font-size:13px;padding:12px 18px;transition:.2s}
.chip:nth-child(4n+2){border-left-color:var(--or)}
.chip:nth-child(4n+3){border-left-color:#2d6cb5}
.chip:nth-child(4n){border-left-color:var(--teal)}
.chip:hover{background:var(--or);border-color:var(--or);color:var(--ink)}
.postgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:6px;margin:30px 0}
.post-card{display:flex;flex-direction:column;background:#fff;border-top:10px solid var(--red);overflow:hidden;color:var(--text);transition:.2s}
.post-card:nth-child(3n+2){border-top-color:var(--or)}
.post-card:nth-child(3n){border-top-color:var(--teal)}
.post-card:hover{box-shadow:0 12px 30px rgba(11,32,56,.16);color:var(--text)}
.post-card img,.post-card .ph{width:100%;height:180px;object-fit:cover;background:#cfd8e0;display:block}
.post-card>div{padding:20px 22px 24px}
.post-card time{font-size:13px;color:#52626f}
.post-card h3{margin:6px 0 8px;font-size:1.25rem;color:var(--blued);line-height:1.2}
.post-card p{margin:0;font-size:14.5px;line-height:1.55}
.cta-band{background:var(--redd);color:#fff;text-align:center;padding:56px 0;clip-path:polygon(0 0,100% 34px,100% 100%,0 100%);padding-top:calc(56px + 34px)}
.cta-band h2{color:#fff;margin:0 0 8px;font-size:clamp(1.9rem,4vw,3rem)}
.cta-band p{color:#ffe3d8;margin:0 0 22px}

/* pagine interne: fascia bianca del titolo con taglio diagonale */
.page-hero{background:#fff;color:var(--ink);padding:46px 0 70px;clip-path:polygon(0 0,100% 0,100% calc(100% - 44px),0 100%)}
.page-hero h1{margin:0;font-size:clamp(1.9rem,4vw,3.1rem);color:var(--blued);max-width:900px}
.page-hero .crumb{margin:0 0 10px;font-size:13.5px;color:#52626f;text-transform:uppercase;font-weight:700;letter-spacing:.05em}
.page-hero .crumb a{color:var(--redd);border-bottom:2px solid var(--or)}
.page-hero .meta{margin:14px 0 0;color:#52626f;font-size:16px;max-width:820px}
.prose{padding-top:calc(46px + 44px);padding-bottom:56px}
.prose.article{max-width:880px}
.prose h2{font-size:clamp(1.5rem,2.6vw,2rem);color:var(--blued);margin:44px 0 14px;padding-left:16px;border-left:10px solid var(--red)}
.prose h3{font-size:1.3rem;color:var(--blued);margin:30px 0 10px}
.prose h4{font-size:1.05rem;color:var(--blued);text-transform:uppercase;letter-spacing:.06em}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 22px;padding-left:24px}
.prose li{margin-bottom:8px}
.prose li::marker{color:var(--redd);font-weight:700}
.prose a{color:var(--redd);font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.prose a:hover{color:var(--blued)}
.prose .btn,.prose .more,.prose .chip{text-decoration:none}
.prose .btn{color:var(--ink)}
.prose img{border-radius:0}
.prose figure{margin:26px 0}
.prose figcaption{font-size:14px;color:#52626f;margin-top:6px}
.featured img{width:100%;max-height:440px;object-fit:cover}
.table-wrap{overflow-x:auto;margin:24px 0}
.prose table{width:100%;border-collapse:collapse;font-size:15px}
.prose th{background:var(--blued);color:#fff;text-align:left;padding:10px 12px}
.prose td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose tbody tr:nth-child(odd){background:var(--pale)}
.prose blockquote{margin:24px 0;padding:16px 22px;background:var(--pale);border-left:10px solid var(--or)}
.prose iframe{max-width:100%}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.prose .cards{margin-top:30px}
.prose .card a.more{border-bottom:none}

/* footer */
.site-footer{background:var(--blued);color:#b7c6d6;font-size:15px}
.fgrid{display:grid;grid-template-columns:1.2fr 1.1fr 1.2fr .9fr;gap:36px;padding-top:54px;padding-bottom:36px}
.site-footer h3{color:#fff;margin:0 0 14px;font-size:1.05rem}
.site-footer a{color:#e3ebf3}
.site-footer a:hover{color:var(--or)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:9px;line-height:1.4}
.site-footer p{margin:0 0 14px}
.site-footer .btn{margin-top:4px}
.copy{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:13.5px;color:#8fa1b5}

/* ============ HOME PAGE (stile prova-home-2, fasce bianche) ============ */
.home-hero{position:relative;isolation:isolate;overflow:hidden;background:var(--blued);color:#fff;display:grid;grid-template-columns:56fr 44fr;min-height:640px;padding-bottom:var(--cut)}
.home-hero .bg{position:absolute;inset:0;z-index:-3;background:url(https://www.bei-lin-da.com/wp-content/uploads/2026/05/hydraulic-brass-forging-machine.png) 30% center/cover;opacity:.3;filter:grayscale(1) contrast(1.15)}
.home-hero .cut{position:absolute;top:0;bottom:0;right:0;z-index:-2;clip-path:polygon(30% 0,100% 0,100% 100%,0 100%)}
.home-hero .c1{width:54%;background:var(--teal)}.home-hero .c2{width:49%;background:var(--or)}.home-hero .c3{width:44%;background:var(--redd)}
.home-hero .hl{padding:76px 40px 76px max(26px,calc((100vw - 1200px)/2 + 26px));align-self:center}
.home-hero h1{font-size:clamp(2.7rem,5.6vw,5rem);max-width:9.5em}
.home-hero .lede{font-size:1.2rem;margin:26px 0 32px;max-width:31em;color:#e3ebf3}
.home-hero .act{display:flex;gap:26px;align-items:center;flex-wrap:wrap}
.home-hero .tl{font-weight:700;color:#fff;text-decoration:underline;text-decoration-color:var(--or);text-decoration-thickness:3px;text-underline-offset:6px}
.home-hero .note{margin:16px 0 0;font-size:.9rem;color:#b7c6d6}
.home-hero .hr{align-self:center;padding:60px max(26px,calc((100vw - 1200px)/2 + 26px)) 60px 28%}
.fact{padding:18px 0 22px;border-top:4px solid var(--teal)}
.fact+.fact{margin-top:6px}
.fact b{display:block;font:900 clamp(1.6rem,2.6vw,2.3rem)/1.05 Archivo,"Arial Narrow",Arial,sans-serif;font-stretch:72%}
.fact span{font-size:.95rem;color:#ffe3d8}
@media (prefers-reduced-motion:no-preference){.home-hero .cut{animation:wipe .9s cubic-bezier(.2,.7,.2,1) both}.home-hero .c2{animation-delay:.12s}.home-hero .c3{animation-delay:.26s}@keyframes wipe{from{transform:translateX(45%)}}}

/* passi (steps) */
.steps{display:grid;grid-template-columns:repeat(3,1fr)}
.t{position:relative;isolation:isolate;padding:30px 28px 34px;min-height:230px;color:#fff;background:var(--c)}
.t b{display:block;font:900 3.6rem/1 Archivo,"Arial Narrow",Arial,sans-serif;font-stretch:72%;opacity:.5;margin-bottom:10px}
.t h3{font-size:1.7rem;margin-bottom:8px}.t p{margin:0}
.t.o{color:var(--ink)}
.t.ph::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--img) center/cover;mix-blend-mode:luminosity;opacity:.4}

/* banda bianca "What we do" + pn */
.svcband{position:relative;z-index:4;background:#fff;color:var(--ink);padding:calc(var(--cut) + 74px) 0 calc(var(--cut) + 60px);clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),0 100%)}
.svcband h2{color:var(--blued);font-size:clamp(2rem,4vw,3.2rem);padding-bottom:36px}
.pns{display:grid;grid-template-columns:repeat(3,1fr)}
.pn{position:relative;isolation:isolate;overflow:hidden;padding:42px 32px 56px;min-height:380px;background:var(--c);color:#fff;display:flex;flex-direction:column}
.pn.o{color:var(--ink)}
.pn h3{font-size:2rem;margin-bottom:14px}.pn p{margin:0 0 22px;flex:1}
.pn a{font-weight:800;color:#fff;text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:6px}
.pn.o a{color:var(--ink)}
.pn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--img) center/cover;mix-blend-mode:luminosity;opacity:.4}

/* sectors: titolo su fascia bianca + fascia navy */
.sx{position:relative;isolation:isolate;z-index:3;background:#fff;color:var(--ink);padding:calc(var(--cut) + 74px) 0 calc(var(--cut) + 60px);clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),0 100%)}
.sx h2{color:var(--blued);font-size:clamp(2rem,4vw,3.2rem)}
.sxb{position:relative;isolation:isolate;margin-top:36px;background:var(--blued);color:#fff;clip-path:polygon(0 var(--cut),100% 0,100% 100%,0 100%);padding:calc(var(--cut) + 24px) max(26px,calc((100vw - 1200px)/2 + 26px)) 44px}
.sxb::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--img) center/cover;mix-blend-mode:luminosity;opacity:.16}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:0;padding:0;list-style:none}
.grid a{display:block;height:100%;font:900 clamp(1.3rem,2vw,1.7rem)/1.15 Archivo,"Arial Narrow",Arial,sans-serif;font-stretch:75%;padding:24px 22px;border-left:12px solid var(--k);background:rgba(255,255,255,.07);color:#fff}
.grid a:hover{background:var(--or);color:var(--ink)}
.grid li:nth-child(4n+1){--k:var(--red)}.grid li:nth-child(4n+2){--k:var(--or)}.grid li:nth-child(4n+3){--k:#2d6cb5}.grid li:nth-child(4n){--k:var(--teal)}

/* news */
.harts{position:relative;z-index:2;background:var(--pale);padding:calc(var(--cut) + 74px) 0 64px;clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),0 100%)}
.harts h2{color:var(--blued);font-size:clamp(2rem,4vw,3.2rem)}
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:36px 0 0;padding:0;list-style:none}
.news a{display:block;text-decoration:none;background:#fff;height:100%;border-top:10px solid var(--k)}
.news li:nth-child(1){--k:var(--red)}.news li:nth-child(2){--k:var(--or)}.news li:nth-child(3){--k:var(--teal)}
.news img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#cfd8e0}
.news div{padding:20px 22px 26px}.news time{font-size:.85rem;color:#52626f}
.news h3{font-size:1.5rem;margin-top:6px;color:var(--blued)}.news a:hover h3{color:var(--redd)}
.harts .more{margin-top:28px;display:inline-block}

/* CTA finale home */
.hcta{position:relative;isolation:isolate;z-index:1;background:var(--redd);color:#fff;padding:calc(var(--cut) + 60px) 0 calc(var(--cut) + 40px);clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - var(--cut)))}
.hcta::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--img) center/cover;mix-blend-mode:luminosity;opacity:.3}
.hcta .w{max-width:1200px;margin:0 auto;padding:0 26px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end}
.hcta h2{font-size:clamp(2.4rem,5vw,4.4rem)}.hcta p{margin:16px 0 28px;max-width:26em;font-size:1.15rem}
.hcta address{font-style:normal;padding:22px 0 0;border-top:4px solid var(--or)}
.hcta address a{font-weight:700;color:#fff}
.hcta address a:hover{color:var(--or)}
.home-foot{background:var(--blued);color:#b7c6d6;padding:0 0 30px;font-size:.9rem;margin-top:calc(var(--cut)*-1);position:relative;z-index:0}
.home-foot .w{max-width:1200px;margin:0 auto;padding:calc(var(--cut) + 6px) 26px 0}
.home-foot a{color:#e3ebf3}.home-foot a:hover{color:var(--or)}
.foot-under{margin-top:calc(var(--cut)*-1);position:relative;z-index:0}
.foot-under .fgrid{padding-top:calc(var(--cut) + 40px)}
.skip{position:absolute;left:-999px}
.skip:focus{left:10px;top:10px;background:#fff;color:var(--ink);padding:8px 12px;z-index:999}

.video{position:relative;padding-top:56.25%;margin:26px 0;overflow:hidden;background:#000}.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

@media (max-width:960px){
 .herogrid,.twocol,.hcta .w{grid-template-columns:1fr}
 .stripgrid,.steps,.pns,.grid,.news{grid-template-columns:1fr}
 .pn{min-height:0}
 .home-hero{grid-template-columns:1fr;min-height:0}
 .home-hero .cut{display:none}
 .home-hero .hl{padding:56px 26px 36px}
 .home-hero .hr{background:var(--redd);padding:34px 26px 26px}
 :root{--cut:30px}
 .fgrid{grid-template-columns:1fr 1fr}
 .burger{display:block}
 .mainnav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--blued);box-shadow:0 14px 24px rgba(11,32,56,.3);padding:8px 16px 16px}
 .nav-open .mainnav{display:block}
 .mainnav ul{flex-direction:column;align-items:stretch}
 .mainnav .sub{position:static;display:none;box-shadow:none;border:none;padding:0 0 0 14px;background:transparent}
 .mainnav .sub a{color:#fff}
 .mainnav .has-sub.open .sub{display:flex}
 .mainnav .has-sub:hover .sub{display:none}
 .mainnav .has-sub.open:hover .sub{display:flex}
 .topbar .container>span:first-child{display:none}
}
@media (max-width:560px){.fgrid{grid-template-columns:1fr}.hero{padding:44px 0}.section{padding:44px 0}}