/* East Steel clone: English-only, responsive, original-style blue/yellow layout. */
:root{
  --blue:#062f69;
  --blue-deep:#041f42;
  --blue-mid:#0a448c;
  --yellow:#ffd200;
  --yellow-dark:#d7a900;
  --gray:#f4f6f9;
  --text:#243044;
  --muted:#677188;
  --border:#d7dde8;
  --white:#fff;
  --shadow:0 12px 30px rgba(4,31,66,.13);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial, Helvetica, sans-serif;color:var(--text);background:#fff;line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max), calc(100% - 40px));margin:0 auto}
.topbar{background:var(--blue-deep);color:#fff;font-size:14px;min-height:40px;display:flex;align-items:center;position:relative;z-index:1001}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.topbar-title{font-weight:700;letter-spacing:.02em;white-space:nowrap}
.topbar .contact{display:flex;gap:12px;align-items:center;white-space:nowrap}.topbar .sep{opacity:.5}
.header{background:#fff;border-bottom:4px solid var(--yellow);position:sticky;top:0;z-index:1000;box-shadow:0 2px 14px rgba(0,0,0,.06)}
.nav-wrap{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:22px;position:relative}
.logo-block{display:flex;align-items:center;gap:14px;flex:0 0 auto;min-width:250px}.logo-block img{width:84px;height:auto}.brand-text strong{display:block;color:var(--blue);font-size:19px;line-height:1.05;letter-spacing:.02em}.brand-text span{display:block;color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase;margin-top:5px;letter-spacing:.04em;white-space:nowrap}
.menu-toggle{display:none;background:var(--blue);color:#fff;border:0;padding:12px 14px;font-size:22px;line-height:1;border-radius:3px;cursor:pointer}.menu-toggle:focus{outline:3px solid var(--yellow)}
.nav{display:flex;align-items:center;justify-content:flex-end;gap:0;list-style:none;margin:0 0 0 auto;padding:0;flex:1;min-width:0}.nav>li{position:relative;flex:0 0 auto}.nav>li>a,.nav>li>button{display:flex;align-items:center;gap:6px;height:42px;padding:0 10px;border:0;background:transparent;color:var(--blue);font-size:12.5px;font-weight:800;text-transform:uppercase;letter-spacing:.015em;cursor:pointer;white-space:nowrap;font-family:inherit}.nav>li>a.active,.nav>li>a:hover,.nav>li>button:hover,.nav>li.open>button{background:var(--yellow);color:var(--blue-deep)}
.nav .download{background:var(--yellow);color:var(--blue-deep);margin-left:6px}.nav .download:hover{background:var(--blue);color:#fff}
.dropdown{position:absolute;left:0;top:42px;min-width:215px;background:#fff;list-style:none;margin:0;padding:8px 0;box-shadow:var(--shadow);border-top:4px solid var(--yellow);opacity:0;visibility:hidden;transform:translateY(10px);transition:.18s;z-index:1002}.dropdown li a{display:block;padding:12px 16px;color:var(--blue);font-size:14px;font-weight:700}.dropdown li a:hover{background:#f1f4fa;color:var(--blue-mid)}.nav>li:hover .dropdown,.nav>li:focus-within .dropdown,.nav>li.open .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.hero{min-height:520px;background:linear-gradient(90deg, rgba(4,31,66,.74), rgba(4,31,66,.35)), url('../images/banner.jpg') center/cover no-repeat;color:#fff;position:relative;display:flex;align-items:center}.hero .container{padding:70px 0 110px}.eyebrow{color:var(--yellow);font-weight:900;letter-spacing:.07em;text-transform:uppercase;font-size:15px;margin:0 0 14px}.hero h1{font-size:54px;line-height:1.08;max-width:760px;margin:0 0 28px;font-weight:900}.btn-row{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 21px;border:2px solid var(--blue);background:var(--blue);color:#fff;font-weight:900;text-transform:uppercase;font-size:13px;letter-spacing:.02em}.btn.yellow{background:var(--yellow);border-color:var(--yellow);color:var(--blue-deep)}.btn.outline{background:#fff;color:var(--blue)}.btn:hover{filter:brightness(.94)}
.hero-cards{margin-top:-60px;position:relative;z-index:3}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.feature-card{background:#fff;border-top:6px solid var(--yellow);box-shadow:var(--shadow);padding:28px;min-height:165px}.num{display:inline-flex;background:var(--blue);color:#fff;font-size:24px;font-weight:900;padding:8px 13px;margin-bottom:14px}.feature-card h3{color:var(--blue);font-size:20px;margin:0 0 8px}.feature-card p{margin:0;color:var(--muted);font-size:14px}
.section{padding:80px 0}.section.gray{background:var(--gray)}.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}.small-title{color:var(--yellow-dark);font-weight:900;text-transform:uppercase;letter-spacing:.06em;font-size:13px}.section h2{color:var(--blue);font-size:40px;line-height:1.14;margin:12px 0 18px}.section p{font-size:16px}.image-frame{position:relative;padding:22px 22px 0 0}.image-frame:before{content:'';position:absolute;inset:0 0 28px 28px;background:var(--yellow);z-index:0}.image-frame img{position:relative;z-index:1;width:100%;box-shadow:var(--shadow)}
.products-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:36px;margin-top:30px}.product-card{background:#fff;box-shadow:var(--shadow)}.product-card img{height:210px;width:100%;object-fit:cover}.product-card div{padding:28px}.product-card h3{font-size:28px;margin:0 0 8px;color:var(--blue);text-transform:uppercase}.product-card p{color:var(--muted);margin:0 0 18px}.center{text-align:center}.logo-strip{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:28px 0}.logo-strip .container{display:flex;gap:18px;align-items:center;justify-content:center;flex-wrap:wrap}.mini-logo{border:1px solid var(--border);padding:10px 18px;background:#fff;color:var(--blue);font-weight:800;border-radius:2px}.mini-logo.mark{display:flex;align-items:center;gap:9px}.mini-logo.mark img{width:34px;height:34px;object-fit:contain}
.page-hero{min-height:260px;background:linear-gradient(90deg, rgba(4,31,66,.8), rgba(4,31,66,.35)), url('../images/banner2.jpg') center/cover no-repeat;color:#fff;display:flex;align-items:center;border-bottom:5px solid var(--yellow)}.page-hero.alt{background-image:linear-gradient(90deg, rgba(4,31,66,.82), rgba(4,31,66,.38)), url('../images/banner3.jpg')}.page-hero h1{font-size:44px;margin:0 0 8px;text-transform:uppercase}.page-hero p{font-size:22px;margin:0;max-width:890px;font-weight:700}.content{padding:70px 0}.content h2{color:var(--blue);font-size:34px;margin:0 0 18px}.content h3{color:var(--blue);font-size:24px;margin:34px 0 12px}.content h4{color:var(--blue);font-size:18px;margin:25px 0 10px}.content p{margin:0 0 16px}.content ul{padding-left:22px}.content li{margin:8px 0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px}.panel{background:#fff;box-shadow:var(--shadow);padding:32px;border-top:5px solid var(--yellow)}.highlight{background:var(--gray);border-left:6px solid var(--yellow);padding:24px;margin:26px 0}.message-box{background:var(--blue);color:#fff;padding:28px}.message-box h3{color:#fff}.message-box .byline{color:var(--yellow);font-weight:800}.table-wrap{overflow:auto;border:1px solid var(--border);margin:18px 0 28px}table{width:100%;border-collapse:collapse;background:#fff;min-width:640px}th{background:var(--blue);color:#fff;text-align:left;padding:12px;border:1px solid var(--blue)}td{padding:11px 12px;border:1px solid var(--border);vertical-align:top}tr:nth-child(even) td{background:#f8fafc}.process-table td:first-child{width:70px;font-weight:900;color:var(--blue)}.spec-note{font-size:14px;color:var(--muted)}
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}.cert-card{background:#fff;box-shadow:var(--shadow);border-top:6px solid var(--yellow);padding:22px;display:flex;flex-direction:column;min-height:300px}.cert-thumb{height:158px;background:linear-gradient(135deg,#fff,#eef4ff);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;margin-bottom:18px;overflow:hidden}.cert-badge{font-size:38px;font-weight:900;color:var(--blue);text-align:center;line-height:1.05;text-transform:uppercase}.cert-card h3{margin:0 0 8px;color:var(--blue);font-size:19px}.cert-card p{font-size:14px;color:var(--muted);margin:0}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:35px}.contact-card{background:var(--blue);color:#fff;padding:32px}.contact-card h2{color:#fff}.contact-card a{color:#fff}.form input,.form textarea{width:100%;padding:13px;border:1px solid var(--border);margin:0 0 14px;font-size:15px}.form textarea{min-height:140px;resize:vertical}.map-placeholder{background:#edf2f7;border:1px solid var(--border);height:260px;display:flex;align-items:center;justify-content:center;color:var(--blue);font-weight:800;text-align:center;padding:20px}.download-banner{background:var(--blue);color:#fff;padding:28px;margin:35px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.download-banner h3{color:#fff;margin:0}.download-banner p{margin:0;color:#dbe5f2}
.footer{background:#031b34;color:#dbe5f2;padding:60px 0 24px}.footer-grid{display:grid;grid-template-columns:1.1fr .65fr .75fr 1fr;gap:34px}.footer-logo{width:92px;background:#fff;padding:7px;margin-bottom:14px}.footer h4{color:#fff;margin:0 0 16px;font-size:16px;text-transform:uppercase}.footer p,.footer li,.footer a{font-size:14px;color:#dbe5f2}.footer ul{list-style:none;margin:0;padding:0}.footer li{margin:8px 0}.copyright{border-top:1px solid rgba(255,255,255,.16);margin-top:42px;padding-top:20px;color:#9fb0c8;font-size:13px}
@media (max-width:1180px){.logo-block{min-width:205px}.logo-block img{width:76px}.brand-text span{font-size:10px}.nav>li>a,.nav>li>button{padding:0 8px;font-size:11.5px}.nav .download{margin-left:2px}.hero h1{font-size:46px}.cards{gap:18px}.footer-grid{grid-template-columns:1fr 1fr}.cert-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:1020px){.brand-text{display:none}.logo-block{min-width:auto}.nav-wrap{gap:14px}.nav>li>a,.nav>li>button{padding:0 7px;font-size:11px}}
@media (max-width:900px){.topbar .container{justify-content:center;text-align:center}.topbar .contact{font-size:13px;gap:8px}.nav-wrap{min-height:82px}.logo-block img{width:78px}.menu-toggle{display:block}.nav{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;background:#fff;border-top:1px solid var(--border);box-shadow:var(--shadow);max-height:calc(100vh - 122px);overflow:auto}.nav.show{display:flex}.nav>li>a,.nav>li>button{width:100%;justify-content:space-between;height:auto;min-height:48px;padding:14px 22px;border-bottom:1px solid #eef1f6;font-size:13px}.nav .download{margin:0}.dropdown{position:static;display:none;visibility:visible;opacity:1;transform:none;box-shadow:none;border-top:0;background:#f8fafc;padding:0}.nav>li.open .dropdown{display:block}.dropdown li a{padding:13px 35px}.hero{min-height:470px}.hero .container{padding:55px 0 80px}.hero h1{font-size:36px}.hero-cards{margin-top:0}.cards,.intro-grid,.products-grid,.two-col,.contact-grid{grid-template-columns:1fr}.section{padding:55px 0}.page-hero{min-height:230px}.page-hero h1{font-size:34px}.page-hero p{font-size:18px}.content{padding:50px 0}.cert-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.product-card img{height:190px}.image-frame{padding:0}.image-frame:before{display:none}}
@media (max-width:520px){.container{width:min(100% - 28px, var(--max))}.topbar .container{gap:6px}.topbar .contact{flex-direction:column;gap:2px}.topbar .sep{display:none}.hero h1{font-size:30px}.section h2{font-size:31px}.page-hero h1{font-size:29px}.btn{width:100%}.cert-thumb{height:135px}.footer{padding:42px 0 22px}}


/* v5 audit updates: certificate strip, social icons, floating actions, favicon-ready layout. */
.header{top:0}.nav-wrap{min-height:86px}.logo-block img{width:78px}.nav>li>a,.nav>li>button{font-size:12px;padding:0 9px}.nav .download{box-shadow:inset 0 -2px 0 rgba(4,31,66,.16)}
.home-certificates{background:var(--blue);padding:58px 0;color:#fff}.home-certificates h2{color:#fff}.home-certificates p{max-width:760px;margin:0 auto 24px;color:#dce8fb}.home-cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:center;margin-top:28px}.home-cert-grid article{background:#fff;border-radius:6px;padding:14px;box-shadow:0 12px 32px rgba(0,0,0,.24)}.home-cert-grid img{width:100%;height:170px;object-fit:contain}.cert-link{margin:26px auto 0;display:flex;width:max-content}.product-page-image{margin:22px 0 34px;border:8px solid #fff;box-shadow:var(--shadow);background:#fff}.product-page-image img{width:100%;max-height:410px;object-fit:cover}.certificate-gallery{margin-top:28px}.certificate-overview{background:#fff;box-shadow:var(--shadow);padding:18px;border-top:6px solid var(--yellow);margin-bottom:28px}.certificate-overview img{width:100%;height:auto}.cert-gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.cert-gallery-card{background:#fff;box-shadow:var(--shadow);border-top:6px solid var(--yellow);padding:16px;text-align:center}.cert-gallery-card img{width:100%;height:260px;object-fit:contain;background:#fff;border:1px solid var(--border)}.cert-gallery-card h3{font-size:16px;line-height:1.3;margin:14px 0 0;color:var(--blue)}
.social-block{margin-top:18px}.social-block span{display:block;color:#fff;font-weight:800;margin-bottom:10px}.social-icons{display:flex;gap:10px;align-items:center}.social-icon{width:38px;height:38px;border-radius:50%;background:var(--yellow);color:var(--blue-deep);display:inline-flex;align-items:center;justify-content:center;transition:.2s}.social-icon:hover{background:#fff;transform:translateY(-2px)}.social-icon svg{width:20px;height:20px;fill:currentColor}.social-icon[aria-label="Instagram"] svg{fill:none}.social-icon[aria-label="Instagram"] circle:last-child{fill:currentColor;stroke:0}.floating-actions{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:1100;display:flex;flex-direction:column;gap:10px}.float-action{display:flex;align-items:center;justify-content:flex-start;gap:10px;min-width:136px;background:var(--blue);color:#fff;border:2px solid var(--yellow);box-shadow:var(--shadow);padding:10px 12px;border-radius:999px;font-weight:900;text-transform:uppercase;font-size:12px;letter-spacing:.02em}.float-action:hover{background:var(--yellow);color:var(--blue-deep)}.action-icon{width:27px;height:27px;border-radius:50%;background:var(--yellow);color:var(--blue-deep);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}.float-action:hover .action-icon{background:var(--blue);color:#fff}.action-icon svg{width:16px;height:16px;fill:currentColor}.lightbox-modal{position:fixed;inset:0;background:rgba(3,27,52,.88);display:none;z-index:1500;align-items:center;justify-content:center;padding:34px}.lightbox-modal.show{display:flex}.lightbox-modal img{max-width:min(960px,92vw);max-height:88vh;background:#fff;box-shadow:0 18px 60px rgba(0,0,0,.4)}.lightbox-close{position:absolute;top:18px;right:24px;background:var(--yellow);color:var(--blue-deep);border:0;font-size:34px;line-height:1;width:48px;height:48px;border-radius:50%;font-weight:900;cursor:pointer}.footer a:hover{color:var(--yellow)}
@media (max-width:1100px){.brand-text{display:block}.menu-toggle{display:block}.nav{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;background:#fff;border-top:1px solid var(--border);box-shadow:var(--shadow);max-height:calc(100vh - 122px);overflow:auto}.nav.show{display:flex}.nav>li>a,.nav>li>button{width:100%;justify-content:space-between;height:auto;min-height:48px;padding:14px 22px;border-bottom:1px solid #eef1f6;font-size:13px}.nav .download{margin:0}.dropdown{position:static;display:none;visibility:visible;opacity:1;transform:none;box-shadow:none;border-top:0;background:#f8fafc;padding:0}.nav>li:hover .dropdown,.nav>li:focus-within .dropdown{display:none}.nav>li.open .dropdown{display:block}.dropdown li a{padding:13px 35px}.home-cert-grid{gap:18px}.cert-gallery-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){body{padding-bottom:76px}.topbar .container{justify-content:center}.brand-text span{font-size:9px}.home-cert-grid{grid-template-columns:1fr}.home-cert-grid img{height:auto}.cert-gallery-grid{grid-template-columns:1fr}.cert-gallery-card img{height:auto}.certificate-overview{padding:8px}.floating-actions{left:0;right:0;top:auto;bottom:0;transform:none;flex-direction:row;gap:0;background:#fff;border-top:1px solid var(--border);padding:8px;box-shadow:0 -8px 24px rgba(0,0,0,.15)}.float-action{flex:1;min-width:0;border-radius:7px;justify-content:center;padding:9px 6px;font-size:11px;border-width:1px}.float-action span:last-child{display:block}.action-icon{width:24px;height:24px}.cert-link{width:100%}.lightbox-modal{padding:20px}.lightbox-close{width:42px;height:42px;font-size:28px}}
@media (max-width:520px){.brand-text{display:none}.logo-block img{width:72px}.footer-grid{gap:24px}.home-certificates{padding:42px 0}.product-page-image{border-width:4px}}