/* bianchi1770usa.com | brand: blue #005694, sky #3293c2, red #cc0000 */
:root{
  --blue:#005694; --blue-600:#004a80; --blue-800:#0a2540; --sky:#3293c2; --sky-100:#e8f3fa; --sky-50:#f4f9fd;
  --red:#cc0000; --ink:#16212e; --muted:#5a6878; --line:#dde5ee; --bg:#ffffff; --alt:#f5f8fb;
  --radius:14px; --shadow:0 1px 2px rgba(10,37,64,.06),0 8px 24px rgba(10,37,64,.08);
  --head:"Barlow","Trebuchet MS",Arial,sans-serif; --body:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.65 var(--body);color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
a:hover{color:var(--red)}
h1,h2,h3{font-family:var(--head);line-height:1.15;color:var(--blue-800);margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.45rem,2.6vw,1.9rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.narrow{max-width:780px}
.wrap.narrow{max-width:820px}
.mt{margin-top:2.5rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{left:10px}

/* top bar + header */
.topbar{background:var(--blue-800);color:#c9d9ea;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:1rem;padding-top:7px;padding-bottom:7px}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:inline-flex;color:var(--blue);text-decoration:none}
.logo-svg{height:44px;width:auto}
.logo-word{font:800 27px var(--head);fill:var(--blue);letter-spacing:.5px}
.logo-year{font:800 27px var(--head);fill:var(--red)}
.logo-sub{font:700 10px var(--head);fill:var(--sky);letter-spacing:2px}
.logo-key{stroke:var(--blue)}
.brand--light .logo-word{fill:#fff}.brand--light .logo-key{stroke:#fff}.brand--light .logo-sub{fill:#84cbff}.brand--light .logo-year{fill:#ff5a4f}
.site-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.site-nav a{display:block;padding:10px 14px;border-radius:8px;text-decoration:none;color:var(--ink);font:600 1.02rem var(--head);letter-spacing:.2px}
.site-nav a:hover,.site-nav a.is-active{color:var(--blue);background:var(--sky-50)}
.has-sub{position:relative}
.sub{display:none!important;position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px!important;flex-direction:column}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:flex!important}
.sub a{font:500 .95rem var(--body);padding:8px 12px}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--blue-800);margin:5px 0;border-radius:2px}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% 20%,#1b6fae 0%,transparent 60%),linear-gradient(135deg,var(--blue-800),var(--blue) 70%);color:#fff;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero h1{color:#fff}
.hero .lead{color:#d6e6f4;font-size:1.12rem;max-width:40em}
.hero .kicker{color:#84cbff}
.hero-media img{margin-left:auto;border-radius:18px;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.kicker{font:700 .8rem var(--head);text-transform:uppercase;letter-spacing:.14em;color:var(--red);margin-bottom:.6em}
.kicker::before{content:"";display:inline-block;width:22px;height:2px;background:currentColor;vertical-align:middle;margin-right:10px}
.lead{font-size:1.1rem;color:var(--muted)}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.4rem}
.btn{display:inline-block;background:var(--red);color:#fff;text-decoration:none;font:700 1rem var(--head);letter-spacing:.3px;padding:12px 22px;border-radius:10px;border:2px solid var(--red);transition:transform .15s,background .15s}
.btn:hover{background:#a80000;border-color:#a80000;color:#fff;transform:translateY(-1px)}
.btn--ghost{background:transparent;border-color:currentColor;color:#fff}
.btn--ghost:hover{background:#fff;color:var(--blue);border-color:#fff}
main .btn--ghost{color:var(--blue)}
main .btn--ghost:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* stats */
.stats{background:var(--sky-50);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:28px;padding-bottom:28px}
.stats b{display:block;font:800 2rem var(--head);color:var(--blue)}
.stats span{color:var(--muted);font-size:.92rem}

/* sections */
.section{padding:64px 0}
.section--tight{padding:24px 0 64px}
.section--alt{background:var(--alt)}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:1.4rem}
.section-head a{font-weight:600;text-decoration:none}
.page-head{background:linear-gradient(135deg,var(--sky-50),#fff);border-bottom:1px solid var(--line);padding:48px 0 40px}
.page-head .lead{max-width:48em}
.crumbs{font-size:.86rem;color:var(--muted);padding:14px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--blue)}
.crumbs .sep{margin:0 8px;color:#a8b5c3}
.page-head + .section, main > .wrap + .page-head{margin-top:0}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.split{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start}
.split--wide{grid-template-columns:1.25fr .75fr}

/* cards */
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;box-shadow:0 1px 2px rgba(10,37,64,.04);transition:transform .18s,box-shadow .18s,border-color .18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c6d6e6;color:inherit}
.card-media{background:linear-gradient(160deg,var(--sky-50),var(--sky-100));aspect-ratio:407/300;display:flex;align-items:center;justify-content:center;padding:14px}
.card-media img{max-height:100%;width:auto;object-fit:contain;border-radius:10px;box-shadow:0 6px 18px rgba(10,37,64,.10)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.card-body p{color:var(--muted);font-size:.95rem;flex:1}
.tag{display:inline-block;align-self:flex-start;font:700 .72rem var(--head);text-transform:uppercase;letter-spacing:.1em;color:var(--sky);background:var(--sky-50);border:1px solid #d4e7f4;border-radius:999px;padding:3px 10px;margin-bottom:10px}
.more{font:700 .95rem var(--head);color:var(--red)}
.more::after{content:" \2192"}
.ph{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:10px;background:repeating-linear-gradient(135deg,rgba(0,86,148,.04) 0 12px,transparent 12px 24px);text-align:center}
.ph-part{font:800 clamp(1.6rem,3vw,2.3rem) var(--head);color:var(--blue);letter-spacing:.02em}
.ph-name{font:600 .9rem var(--head);color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:4px}
.product-media .ph{min-height:320px}

.info{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.info p{color:var(--muted);margin:0}
.info--link{text-decoration:none;color:inherit;transition:box-shadow .18s,transform .18s}
.info--link:hover{box-shadow:var(--shadow);transform:translateY(-2px);color:inherit}
.info--link p{margin-bottom:12px}
.callout{display:flex;justify-content:space-between;align-items:center;gap:24px;background:var(--blue);color:#fff;border-radius:var(--radius);padding:28px 32px}
.callout h3{color:#fff;margin-bottom:4px}.callout p{margin:0;color:#d6e6f4}
.link-panel,.news-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;box-shadow:0 1px 2px rgba(10,37,64,.04)}
.section--alt .link-panel{background:#fff}
.arrow-list,.plain{list-style:none;margin:0;padding:0}
.arrow-list li{border-bottom:1px solid var(--line)}
.arrow-list li:last-child{border:0}
.arrow-list a{display:flex;justify-content:space-between;padding:11px 0;text-decoration:none;font-weight:500;color:var(--ink)}
.arrow-list a::after{content:"\2192";color:var(--red)}
.arrow-list a:hover{color:var(--blue)}
.plain li{padding:6px 0}
.textlink{font:700 1rem var(--head);text-decoration:none}
.textlink::after{content:" \2192"}
.news-list{list-style:none;margin:0;padding:0}
.news-list li{padding:12px 0;border-bottom:1px solid var(--line)}
.news-list li:last-child{border:0}
.news-list time{display:block;font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.news-list a{text-decoration:none;font-weight:600;color:var(--ink)}
.news-list a:hover{color:var(--blue)}
.note{background:var(--sky-50);border-left:3px solid var(--sky);padding:12px 16px;border-radius:0 8px 8px 0;color:var(--muted);font-size:.95rem}

/* product */
.product{padding-top:28px}
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.product-media{background:linear-gradient(160deg,var(--sky-50),var(--sky-100));border-radius:20px;padding:28px;display:flex;justify-content:center}
.product-media img{border-radius:14px;box-shadow:0 12px 30px rgba(10,37,64,.12)}
.quick{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:1.4rem 0}
.quick div{background:var(--alt);border-radius:10px;padding:12px 14px}
.quick dt{font:700 .72rem var(--head);text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.quick dd{margin:2px 0 0;font-weight:600}
.check{list-style:none;padding:0;margin:0 0 1.5rem}
.check li{position:relative;padding:7px 0 7px 30px;border-bottom:1px dashed var(--line)}
.check li::before{content:"";position:absolute;left:4px;top:15px;width:12px;height:7px;border-left:2.5px solid var(--red);border-bottom:2.5px solid var(--red);transform:rotate(-45deg)}
.specs{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.specs th,.specs td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.specs tr:last-child th,.specs tr:last-child td{border:0}
.specs th{width:38%;font:600 .95rem var(--head);color:var(--muted);background:var(--alt)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;background:var(--alt);padding:14px 16px;border-radius:10px;line-height:1.8}

/* selection matrix */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
.matrix{border-collapse:collapse;width:100%;min-width:900px;font-size:.9rem}
.matrix th,.matrix td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:center}
.matrix thead th{background:var(--blue);color:#fff;font:700 .95rem var(--head)}
.matrix thead a{color:#fff;text-decoration:none}
.matrix thead th:first-child,.matrix tbody th{text-align:left}
.matrix tbody th{font-weight:600;background:var(--alt);min-width:220px}
.matrix td.yes{color:var(--blue);font-weight:600;background:#f0f7fc}
.matrix td.no::before{content:"\2013";color:#b7c3cf}

/* timeline */
.era-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.era-nav a{padding:8px 16px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font:700 .95rem var(--head)}
.era-nav a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.timeline{position:relative}
.era{display:grid;grid-template-columns:170px 1fr;gap:36px;padding:28px 0;border-top:1px solid var(--line);scroll-margin-top:100px}
.era-year{font:800 2rem var(--head);color:var(--red)}
.era-body{max-width:760px}

/* news */
.news-item{padding:22px 0;border-bottom:1px solid var(--line)}
.news-item time{font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.news-item h2{font-size:1.35rem;margin:.2em 0 .35em}
.news-item h2 a{text-decoration:none;color:var(--blue-800)}
.news-item h2 a:hover{color:var(--blue)}
.news-item p{color:var(--muted);margin:0}
.post-nav{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:2rem;padding-top:1rem}
.post-nav a{text-decoration:none;font-weight:600}

/* faq */
.faq h2{margin-top:2rem}
.faq details{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;padding:16px 48px 16px 20px;font:600 1.05rem var(--head);color:var(--blue-800);list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:12px;font-size:1.4rem;color:var(--red)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{padding:0 20px 16px;margin:0;color:var(--muted)}
.sitemap h2{font-size:1.2rem}

/* footer */
.site-footer{background:var(--blue-800);color:#b9cadb;margin-top:0;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.site-footer h3{color:#fff;font-size:1rem;text-transform:uppercase;letter-spacing:.1em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{padding:4px 0}
.site-footer a{color:#dbe7f2;text-decoration:none}
.site-footer a:hover{color:#fff}
.f-brand p{margin-top:14px;font-size:.93rem;max-width:34em}
.footer-base{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:18px;padding-bottom:22px;font-size:.84rem}
.footer-base p{margin:0}

/* responsive */
@media (max-width:980px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-grid,.split,.split--wide,.product-grid{grid-template-columns:1fr}
  .hero-media img{margin:0 auto;max-width:340px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;left:0;right:0;top:74px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:10px 16px 18px}
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column}
  .sub{display:flex!important;position:static;box-shadow:none;border:0;padding:0 0 0 12px!important;min-width:0}
  .topbar span{display:none}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .section{padding:44px 0}
  .era{grid-template-columns:1fr;gap:6px}
  .callout{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .logo-svg{height:38px}
}
.items{margin-top:1rem}
.item{border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin-bottom:16px;background:#fff;scroll-margin-top:100px}
.item h2{font-size:1.3rem;margin-top:.2em}
.item p:last-child{margin-bottom:0}
.news-item{scroll-margin-top:100px}